TI01506P/00/EN/08.24-00
71647841
2024-03-26

Products

Solutions

ServicesTechnical Information
Cerabar PMC51B
Process pressure and level measurement in liquids
or gases

Digital pressure transmitter with ceramic process
membrane
Applications• Pressure measuring ranges: up to 40 bar (600 psi)
• Completely vacuum resistant: up to +100 °C (212 °F) process temperature• Accuracy: up to ±0.055%
Advantages
The new Cerabar generation introduces a robust pressure transmitter that combines
numerous benefits: Easiest local or remote operation, allows condition-based
maintenance and offers smart safety in processes. The firmware is designed toensure extremely easy handling. Intuitive and clear wizard navigation guides the user
through the commissioning and verification of the device. The Bluetooth connectivity
provides safe and remote operation. The large display guarantees excellent
readability. The device features a ceramic membrane for abrasive, corrosive or
vacuum applications with integrated membrane breakage diagnostic.

Cerabar PMC51B

Table of contents
About this document . . . . . . . . . . . . . . . . . . . . . . . . 4

Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn down calculation . . . . . . . . . . . . . . . . . . . . . . . . . .

4
5
5

Function and system design . . . . . . . . . . . . . . . . . . . 6

Measuring principle . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring system . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communication and data processing . . . . . . . . . . . . . . . .
Dependability for devices with HART, Bluetooth,
PROFINET with Ethernet-APL . . . . . . . . . . . . . . . . . . . . .

6
6
7

Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

97

Measured variable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Measuring range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Output signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Signal on alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Damping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Ex connection data . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Linearization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Protocol-specific data . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wireless HART data . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Terminal assignment . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Available device plugs . . . . . . . . . . . . . . . . . . . . . . . . . 15
Supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Potential equalization . . . . . . . . . . . . . . . . . . . . . . . . . 18
Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Cable entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Cable specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . 19

Performance characteristics . . . . . . . . . . . . . . . . . . 20

Response time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Reference operating conditions . . . . . . . . . . . . . . . . . . . 20
Total performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Total error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Long-term stability . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Response time T63 and T90 . . . . . . . . . . . . . . . . . . . . . 22
Installation factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Warm-up time (according to IEC62828-4) . . . . . . . . . . . . 23

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation instructions . . . . . . . . . . . . . . . . . . . . . . . .
Sensor selection and arrangement . . . . . . . . . . . . . . . . .
Special mounting instructions . . . . . . . . . . . . . . . . . . . .

24
24
24
25

Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Ambient temperature range . . . . . . . . . . . . . . . . . . . . .
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . .

2

27
27

Operating altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Climate class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Degree of protection . . . . . . . . . . . . . . . . . . . . . . . . . .
Vibration resistance . . . . . . . . . . . . . . . . . . . . . . . . . .
Electromagnetic compatibility (EMC) . . . . . . . . . . . . . . .

27
27
27
28
28

Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Process temperature range . . . . . . . . . . . . . . . . . . . . . . 29
Thermal shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Process pressure range . . . . . . . . . . . . . . . . . . . . . . . . . 30
Ultrapure gas applications . . . . . . . . . . . . . . . . . . . . . . . 30
Steam applications and saturated steam applications . . . . . 30

Mechanical construction . . . . . . . . . . . . . . . . . . . . 31

Design, dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Materials in contact with process . . . . . . . . . . . . . . . . . . 43
Materials not in contact with process . . . . . . . . . . . . . . . 43
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Display and user interface . . . . . . . . . . . . . . . . . . .

Operating concept (not for devices with 4 to 20 mA
analog) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System integration . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supported operating tools . . . . . . . . . . . . . . . . . . . . . .

Certificates and approvals . . . . . . . . . . . . . . . . . . .

45
45
45
46
47
48
48

49

CE mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
RCM-Tick marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Ex approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Sanitary compatibility . . . . . . . . . . . . . . . . . . . . . . . . . 49
EAC conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Drinking water approval . . . . . . . . . . . . . . . . . . . . . . . . 49
Overfill protection (in preparation) . . . . . . . . . . . . . . . . . 49
Functional safety SIL/ IEC 61508 Declaration ofConformity (optional) . . . . . . . . . . . . . . . . . . . . . . . . . 49
Marine approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Radio approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CRN approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Test reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Pressure Equipment Directive 2014/68/EU (PED) . . . . . . . 50
Oxygen application . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
China RoHS symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
RoHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Certification PROFINET with Ethernet-APL . . . . . . . . . . . 51
Additional certification . . . . . . . . . . . . . . . . . . . . . . . . . 51

Ordering information . . . . . . . . . . . . . . . . . . . . . . . 52

Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring point (tag) . . . . . . . . . . . . . . . . . . . . . . . . .
Test reports, declarations and inspection certificates . . . . .

52
52
52
52
53

Endress+Hauser

Cerabar PMC51B

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

54

Device-specific accessories . . . . . . . . . . . . . . . . . . . . . . 54
Device Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Standard documentation . . . . . . . . . . . . . . . . . . . . . . . . 55
Supplementary device-dependent documentation . . . . . . . 55
Field of Activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Special Documentation . . . . . . . . . . . . . . . . . . . . . . . . . 55

Registered trademarks . . . . . . . . . . . . . . . . . . . . . . 55

Endress+Hauser

3

Cerabar PMC51B

About this document
Symbols

Safety symbols
DANGER

This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious or
fatal injury.
WARNING

This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious or
fatal injury.
CAUTION

This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in minor or
medium injury.
NOTICE

This symbol contains information on procedures and other facts which do not result in personal
injury.
Electrical symbols
Ground connection:
Terminal for connection to the grounding system.
Symbols for certain types of information
Permitted:
Procedures, processes or actions that are permitted.
Forbidden:
Procedures, processes or actions that are forbidden.
Additional information:
Reference to documentation:
Reference to page:
Series of steps: 1. , 2. , 3.
Result of an individual step:
Symbols in graphics
Item numbers: 1, 2, 3 ...
Series of steps: 1. , 2. , 3.
Views: A, B, C, ...
Symbols on the device
Safety instructions:Observe the safety instructions contained in the associated Operating Instructions.

4

Endress+Hauser

Cerabar PMC51B

List of abbreviations
1

2

3

4
p
LRL

0
LRV

URL

URV

MWP

OPL
A0029505

1

OPL: The OPL (overpressure limit = measuring cell overload limit) for the device depends on the lowest-rated
element, with regard to pressure, of the selected components, i.e. the process connection has to be taken into
consideration in addition to the measuring cell. Pay attention to the pressure/temperature dependency.
2
The MWP (maximum working pressure) for the measuring cells depends on the lowest-rated element, withregard to pressure, of the selected components, i.e. the process connection has to be taken into considerationin addition to the measuring cell. Pay attention to the pressure/temperature dependency. The MWP may be
applied at the device for an unlimited period of time. The MWP can be found on the nameplate.
3
The maximum measuring range corresponds to the span between the LRL and URL. This measuring range isequivalent to the maximum calibratable/adjustable span.
4
The calibrated/adjusted span corresponds to the span between the LRV and URV. Factory setting: 0 to URL.
Other calibrated spans can be ordered as customized spans.
pPressure
LRL Lower range limit
URL Upper range limit
LRV Lower range value
URV Upper range value
TD Turn down. Example - see the following section.

Turn down calculation

1=2

3
URV

LRL LRV

URL

A0029545

1
2
3

Calibrated/adjusted span
Zero point-based span
Upper range limit

Example:• Measuring cell: 10 bar (150 psi)
• Upper range limit (URL) = 10 bar (150 psi)
• Calibrated/adjusted span: 0 to 5 bar (0 to 75 psi)
• Lower range value (LRV) = 0 bar (0 psi)
• Upper range value (URV) = 5 bar (75 psi)
TD

=

URL
|URV

-

LRV|

In this example, the TD is therefore 2:1. This measuring span is based on the zero point.

Endress+Hauser

5Cerabar PMC51B

Function and system design
Measuring principle

Ceramic membrane (Ceraphire®)

1

2

3

4

5
p
A0043088

1
2
3
4
5
p

Atmospheric pressure (gauge pressure measuring cells)
Ceramic meter body
Electrodes
Ceramic membrane
Seal
Pressure

The ceramic measuring cell is an oil-free measuring cell. The pressure acts directly on the robust
ceramic membrane, causing it to deflect. A pressure-dependent change in capacitance is measured at
the electrodes of the ceramic meter body and the membrane. The measuring range is determined by
the thickness of the ceramic membrane.
Advantages:• High overload resistance• Thanks to ultrapure 99.9 % ceramic• Extremely high chemical durability• Resistant to abrasion and corrosion• High mechanical durability• Suitable for vacuum applications
Measuring system

Level measurement (level, volume and mass):ph= ρ ghA0038343

h
p
ρ
g

6

Height (level)
PressureDensity of the medium
Gravitational acceleration

Endress+Hauser

Cerabar PMC51B

Advantages:• Volume and mass measurements in any vessel shape with a freely programmable characteristic
curve• Has a wide range of uses, e.g.
• For foam formation• In vessels with agitators or screen fittings• For liquid gases
Communication and dataprocessing• 4 to 20 mA with HART communication protocol (optional)• Bluetooth (optional)• PROFINET with Ethernet-APL: 10BASE-T1L communication protocol

Dependability for devices
with HART, Bluetooth,
PROFINET with EthernetAPLIT security
Endress+Hauser can only provide a warranty if the device is installed and used as described in the
Operating Instructions. The device is equipped with security mechanisms to protect it against any
inadvertent changes to the device settings. IT security measures in line with operators' security
standards and designed to provide additional protection for the device and device data transfer must
be implemented by the operators themselves.
Device-specific IT security
The device offers specific functions to support protective measures by the operator. These functions
can be configured by the user and guarantee greater in-operation safety if used correctly. An
overview of the most important functions is provided in the following section:• Write protection via hardware write protection switch• Access code to change user role (applies to operation via Bluetooth, FieldCare, DeviceCare andasset management tools (e.g. AMS, PDM and Web server)
Function/interface

Factory setting

Recommendation

Access code(also applies to Web server login or
FieldCare connection)

Not enabled(0000)

Assign a customized access code duringcommissioning.

Web server

EnabledOn an individual basis following risk assessment.

Service interface (CDI)

EnabledOn an individual basis following risk assessment.

Write protection via hardware write
protection switch

Not enabled

On an individual basis following risk assessment.

Protecting access via a password
Different passwords are available to protect write access to the parameters of the device.
Protect write access to the parameters of the device via the local display, Web browser or operating
tool (e.g. FieldCare, DeviceCare). Access authorization is clearly regulated through the use of a userspecific access code.
User-specific access code
Write access to the parameters of the device via the local display, Web browser or operating tool(e.g. FieldCare, DeviceCare) can be protected using the editable, user-specific access code.
General notes on the use of passwords• During commissioning, change the access code used when the device was delivered• When defining and managing the access code, comply with the general rules for the generation of
a secure password• The user is responsible for managing the access code and for using the code with due care
Access via Web serverThanks to the integrated Web server, the device can be operated and configured using a Web
browser and via PROFINET with Ethernet-APL. In addition to the measured values, status
information on the device is displayed and can be used to monitor device health. Furthermore thedevice data can be managed and the network parameters can be configured.

Endress+Hauser

7

Cerabar PMC51B

Access to the network is required for the PROFINET with Ethernet-APL connection.
Supported functions
Data exchange between the operating unit (such as a notebook, for example,) and measuring device:• Export parameter settings (PDF file, create documentation of the measuring point configuration)• Download driver (GSDML) for system integration
The Web server is enabled when the device is delivered. The Web server can be disabled via the Web
server functionality parameter if necessary (e.g. after commissioning).
The device and status information can be hidden on the login page. This prevents unauthorizedaccess to the information.
Detailed information on the device parameters:"Description of Device Parameters" document

8

Endress+Hauser

Cerabar PMC51B

Input
Measured variable

Measured process variables• Absolute pressure• Gauge pressure
Depending on the device configuration, the maximum working pressure (MWP) and theoverpressure limit (OPL) can deviate from the values in the tables.

Measuring range
Absolute pressure
Measuring celllower (LRL)

upper (URL)[barabs (psiabs)][barabs (psiabs)]

100 mbar (1.5 psi)
0
250 mbar (3.75 psi)
400 mbar (6 psi)
1 bar (15 psi)
2 bar (30 psi)
4 bar (60 psi)
10 bar (150 psi)
40 bar (600 psi)
1)
2)
3)
4)
5)

Smallest calibratable span (preset at factory) 1)

Maximum measuring range

0
0
0
0
0

0

Platinum2)+0.1 (+1.5)

0.005 (0.075)+0.25 (+3.75)

0.005 (0.075) 3)
4)

20 mbar (0.3 psi)
50 mbar (1 psi)

+0.4 (+6)

0.005 (0.075)+1 (+15)0.01 (0.15)

5)+2 (+30)

0.02 (0.3)5)

400 mbar (6 psi)

0.04 (0.6)5)

800 mbar (12 psi)

+4 (+60)

0[bar (psi)]+10 (+150)

0.1 (1.5)+40 (+600)

5)0.4 (6)

5)

80 mbar (1.2 psi)
200 mbar (3 psi)

2 bar (30 psi)
8 bar (120 psi)

The maximum TD is 5:1 in the case of platinum.
Largest factory-configurable turn down: 20:1
Largest factory-configurable turn down: 50:1
Largest factory-configurable turn down: 80:1
Largest factory-configurable turn down: 100:1

Absolute pressure
MWP

OPL

Vacuum resistance

Burst pressure 1)[barabs (psiabs)][barabs (psiabs)][barabs (psiabs)][bar (psi)]

100 mbar (1.5 psi)

2.7 (40.5)

4 (60)

0

4 (60)

250 mbar (3.75 psi)

3.3 (49.5)

5 (75)

0

5 (75)

400 mbar (6 psi)

5.3 (79.5)

8 (120)08 (120)

1 bar (15 psi)

6.7 (100.5)

10 (150)0

10 (150)

2 bar (30 psi)

12 (180)

18 (270)018 (270)

4 bar (60 psi)

16.7 (250.5)

25 (375)025 (375)

10 bar (150 psi)

26.7 (400.5)

40 (600)040 (600)

40 bar (600 psi)

40 (600)60 (900)060 (900)

Measuring cell

1)

The information applies to the standard device (without a diaphragm seal).

Gauge pressure
Measuring cell

100 mbar (1.5 psi)
250 mbar (3.75 psi)

Endress+Hauser

Maximum measuring range
lower (LRL)

upper (URL)[bar (psi)][bar (psi)]–0.1 (–1.5)–0.25 (–3.75)+0.1 (+1.5)+0.25 (+3.75)

Smallest calibratable span (preset at factory) 1)[bar (psi)]

Platinum

0.005 (0.075)

2)

20 mbar (0.3 psi)

0.005 (0.075)

3)

50 mbar (1 psi)

9

Cerabar PMC51B

Measuring cell

Smallest calibratable span (preset at factory) 1)

Maximum measuring range
lower (LRL)

upper (URL)[bar (psi)][bar (psi)][bar (psi)]

Platinum4)

400 mbar (6 psi)

–0.4 (–6)+0.4 (+6)

0.005 (0.075)

1 bar (15 psi)

–1 (–15)+1 (+15)0.01 (0.15) 5)

200 mbar (3 psi)

2 bar (30 psi)

–1 (–15)+2 (+30)

0.02 (0.3) 5)

400 mbar (6 psi)

4 bar (60 psi)

–1 (–15)+4 (+60)

0.04 (0.6) 5)

800 mbar (12 psi)

10 bar (150 psi)
40 bar (600 psi)
1)
2)
3)
4)
5)

–1 (–15)–1 (–15)+10 (+150)

0.1 (1.5)+40 (+600)

5)0.4 (6)

5)

80 mbar (1.2 psi)

2 bar (30 psi)
8 bar (120 psi)

The maximum TD is 5:1 in the case of platinum.
Largest factory-configurable turn down: 20:1
Largest factory-configurable turn down: 50:1
Largest factory-configurable turn down: 80:1
Largest factory-configurable turn down: 100:1

Gauge pressure
MWP

OPL

Vacuum resistance

Burst pressure 1)[bar (psi)][bar (psi)][barabs (psiabs)][bar (psi)]

100 mbar (1.5 psi)

2.7 (40.5)

4 (60)

0.7 (10.5)

4 (60)

250 mbar (3.75 psi)

3.3 (49.5)

5 (75)

0.5 (7.5)

5 (75)

400 mbar (6 psi)

5.3 (79.5)

8 (120)08 (120)

1 bar (15 psi)

6.7 (100.5)

10 (150)0

10 (150)

2 bar (30 psi)

12 (180)

18 (270)018 (270)

4 bar (60 psi)

16.7 (250.5)

25 (375)025 (375)

10 bar (150 psi)

26.7 (400.5)

40 (600)040 (600)

40 bar (600 psi)

40 (600)60 (900)060 (900)

Measuring cell

1)

10The information applies to the standard device (without a diaphragm seal).

Endress+Hauser

Cerabar PMC51B

OutputOutput signal

Current output
4 to 20 mA analog, 2-wire
4 to 20 mA with superimposed digital communication protocol HART, 2-wire
The current output offers a choice of three different operating modes:• 4.0 to 20.5 mA• NAMUR NE 43: 3.8 to 20.5 mA (factory setting)• US mode: 3.9 to 20.8 mA
PROFINET with Ethernet-APL
10BASE-T1L, 2-wire 10 Mbit

Signal on alarm

Signal on alarm in accordance with NAMUR recommendation NE 43.
• 4 to 20 mA analog:• Signal over-range: > 20.5 mA• Signal under-range: < 3.8 mA• Min alarm (< 3.6 mA, factory setting)• 4 to 20 mA HART:
Options:• Max alarm: can be set from 21.5 to 23 mA• Min. alarm: < 3.6 mA (factory setting)• PROFINET with Ethernet-APL:• According to "Application layer protocol for decentralized periphery", Version 2.4• Diagnostics according to PROFINET PA Profile 4.02

Load

4 to 20 mA analog
R Lmax
[W]
1065

2

10.5
1

U – 10.5 V
R Lmax £ B
23 mA

35 UB
[V]
A0039234

1
2
UB

Endress+Hauser

10.5 to 35 V power supply
RLmax maximum load resistance
Supply voltage

11Cerabar PMC51B

4 to 20 mA HARTR L max
[W ]
1065
848
3

U – 10.5 V
R L max £ B
23 mA

30 35 UB
[V]

10.5
1
2

A0039232

1
2
3
UB

Power supply 10.5 to 30 VDC Ex i
Power supply 10.5 to 35 VDC, for other types of protection and non-certified device versions
RLmax maximum load resistance
Supply voltage

Operation via handheld terminal or PC with operating program: take minimum communication
resistance of 250 Ω into consideration.
Damping

A damping affects all outputs (output signal, display). Damping can be enabled as follows:• Via the DIP switch on the electronic insert (analog electronics only)• Factory setting: 1 s

Ex connection data

See the separate technical documentation (Safety Instructions (XA)) on
www.endress.com/download.

Linearization

The device's linearization function allows the user to convert the measured value to any units ofheight or volume. User-defined linearization tables of up to 32 value pairs can be entered if
necessary.

Protocol-specific data

HART
• Manufacturer ID: 17 (0x11{hex})• Device type ID: 0x112A• Device revision: 1• HART specification: 7• DD revision: 1• Device description files (DTM, DD) information and files at:• www.endress.com• www.fieldcommgroup.org• HART load: min. 250 Ohm
HART device variables (preset at the factory)
The following measured values are assigned to the device variables at the factory:

12

Device variable

Measured value

Primary variable (PV) 1)

Pressure 2)

Secondary variable (SV)

Sensor temperature

Endress+Hauser

Cerabar PMC51B

1)
2)
3)

Device variable

Measured value

Tertiary variable (TV)Electronics temperature

Quaternary variable (QV)

Sensor pressure 3)

The PV is always applied to the current output.
The pressure is the calculated signal after damping and position adjustment.
The Sensor pressure is the raw signal of the measuring cell before damping and position adjustment.

Choice of HART device variables• Pressure option (after position adjustment and damping)• Scaled variable• Sensor temperature• Sensor pressure
Sensor Pressure is the raw signal from sensor before damping and position adjustment.
• Electronics temperature• Percent of range• Loop current
The loop current is the output current set by the applied pressure.
Supported functions• Burst mode
• Additional transmitter status• Device locking
PROFINET with Ethernet-APL

Endress+Hauser

ProtocolApplication layer protocol for decentral device periphery and distributed
automation, Version 2.4

Communication type

Ethernet Advanced Physical Layer 10BASE-T1L

Conformance Class

Conformance Class B

Netload Class

Netload Class II

Baud rates

Automatic 10 Mbit/s with full-duplex detection

Cycle times

From 32 ms

Polarity

Auto-polarity for automatic correction of crossed TxD and RxD pairs

Media Redundancy Protocol
(MRP)

Yes

System redundancy support

System redundancy S2 (2 AR with 1 NAP)

Device profile

Application interface identifier 0xB310
Generic device

Manufacturer ID

0x11

Device type ID

A22A

Device description files (GSD,
FDI, DTM, DD)

Information and files available at:• www.endress.com
On the product page for the device: Documents/Software → Device drivers• www.profibus.org

Supported connections• 2 x AR (IO Controller AR)• 1 x AR (IO-Supervisor Device AR connection allowed)• 1 x Input CR (Communication Relation)• 1 x Output CR (Communication Relation)• 1 x Alarm CR (Communication Relation)

Configuration options fordevice• Manufacturer-specific software (FieldCare, DeviceCare)• Web browser• Device master file (GSD), can be read out via the integrated Web server ofthe device• DIP switch for setting the service IP address

13

Cerabar PMC51B

Configuration of thedevice name

• DCP protocol• Process Device Manager (PDM)• Integrated Web server

Supported functions• Identification & maintenance
Simple device identification via:
• Control system• Nameplate• Measured value status
The process variables are communicated with a measured value status• Blinking feature via the local display for simple device identification andassignment• Device operation via operating tools (e.g., FieldCare, DeviceCare, SIMATIC
PDM)

System integration

For information on system integration, see

Operating Instructions• Cyclic data transmission• Overview and description of the modules• Status coding• Startup configuration• Factory setting

Wireless HART data

14

• Minimum starting voltage: 10.5 V• Start-up current: 3.6 mA• Start-up time: <5 s
• Minimum operating voltage: 10.5 V• Multidrop current: 4 mA

Endress+Hauser

Cerabar PMC51B

Power supply
Terminal assignment

Single compartment housing

3
2

-

1

+

A00425941123Connection terminals and ground terminal in the connection compartment
Positive terminal
Negative terminalInternal ground terminal

Dual compartment housing

- +

3

2 1
A0042803

21
2
3

Available device plugs

Connection terminals and ground terminal in the connection compartment
Positive terminal
Negative terminalInternal ground terminal

In the case of devices with a plug, it is not necessary to open the housing for connection
purposes.
Use the enclosed seals to prevent the penetration of moisture into the device.

Endress+Hauser

15

Cerabar PMC51B

Devices with valve plug
A

B

–

+

2 1

– 1
BU BN GNYE

2 +

3

– +
A0023097

3

BN = brown, BU = blue, GNYE = green/yellow

A
B

Electrical connection for devices with valve connector
View of the plug-in connection on the device

Material: PA 6.6
Devices with M12 plug

4

3

1

2
A0011175

4View of the plug-in connection on the device

Pin

Analog/HART

1

Signal +2

Not assigned

3Signal –4

GroundPin

PROFINET with Ethernet-APL

1

APL signal –2

APL signal +3Shielding4

Not assigned

Endress+Hauser offers the following accessories for devices with an M12 plug:
Plug-in jack M 12x1, straight• Material:
Body: PBT; union nut: nickel-plated die-cast zinc; seal: NBR• Degree of protection (fully locked): IP67
• Order number: 52006263
Plug-in jack M 12x1, elbowed (not for PROFINET with Ethernet-APL)• Material:
Body: PBT; union nut: nickel-plated die-cast zinc; seal: NBR• Degree of protection (fully locked): IP67
• Order number: 71114212

16

Endress+Hauser

Cerabar PMC51B

Cable 4x0.34 mm2 (20 AWG) with M12 plug-in jack, elbowed, screw plug, length 5 m (16 ft)• Material: body: TPU; union nut: nickel-plated die-cast zinc; cable: PVC• Degree of protection (fully locked): IP67/68• Order number: 52010285• Cable colors• 1 = BN = brown• 2 = WT = white• 3 = BU = blue
• 4 = BK = black
Devices with a Harting plug Han7D
A

B

–

+

8

+ –

7 6
1

2

5
3

4

Han7D
+ –
A0041011

A
B
+Electrical connection for devices with Harting plug Han7D
View of the plug-in connection on the device
Brown
Green/yellow
Blue

Material: CuZn, gold-plated contacts of the plug-in jack and plug
Supply voltage• Analog/HART: Ex d, Ex e, non-Ex: supply voltage: 10.5 to 35 VDC• Analog/HART: Ex i: supply voltage: 10.5 to 30 VDC• HART: Nominal current: 4 to 20 mA HART
• PROFINET over Ethernet-APL: APL performance class A (9.6 to 15 VDC 540 mW)
Analog/HART: The power unit must be safety-approved (e.g. PELV, SELV, Class 2) and mustcomply with the relevant protocol specifications. For 4 to 20 mA, the same requirements apply
as for HART.
PROFINET with Ethernet-APL: The APL field switch must be safety-approved (e.g. PELV, SELV,Class 2) and must comply with the relevant protocol specifications.
A suitable circuit breaker should be provided for the device in accordance with IEC/EN 61010.

Endress+Hauser

17

Cerabar PMC51B

Electrical connection

Connection examples
PROFINET with Ethernet-APL
1

3

2

4

4
A0045802

5
1
2
3
4

Connection example for PROFINET with Ethernet-APL
Automation system
APL field switch
Observe cable specifications
Transmitter

Potential equalization

1
A0045411

1

Ground terminal for connecting the potential matching line

If necessary, the potential matching line can be connected to the outer ground terminal of thedevice before the device is connected.
For optimum electromagnetic compatibility:• Keep the potential matching line as short as possible• Maintain a cross-section of at least 2.5 mm2 (14 AWG)
Terminals• Supply voltage and internal ground terminal: 0.5 to 2.5 mm2 (20 to 14 AWG)
• External ground terminal: 0.5 to 4 mm2 (20 to 12 AWG)

Cable entries
1

2

A0045413

1
2

Cable entry
Dummy plug

The type of cable entry depends on the device version ordered.
Always route connecting cables downwards so that moisture cannot penetrate the connection
compartment.
If necessary, create a drip loop or use a weather protection cover.
Cable specification

18• The cable outer diameter depends on the cable entry used
• Cable outer diameter• Plastic: Ø5 to 10 mm (0.2 to 0.38 in)• Nickel-plated brass: Ø7 to 10.5 mm (0.28 to 0.41 in)• Stainless steel: Ø7 to 12 mm (0.28 to 0.47 in)Endress+Hauser

Cerabar PMC51BPROFINET with Ethernet-APL
The reference cable type for APL segments is fieldbus cable type A, MAU type 1 and 3 (specified in
IEC 61158-2). This cable meets the requirements for intrinsically safe applications according to IEC
TS 60079-47 and can also be used in non-intrinsically safe applications.
Cable typeA

Cable capacitance

45 to 200 nF/km

Loop resistance

15 to 150 Ω/km

Cable inductance

0.4 to 1 mH/km

Further details are provided in the Ethernet-APL Engineering Guideline(https://www.ethernet-apl.org).
Overvoltage protection

Devices without optional overvoltage protection
Equipment from Endress+Hauser fulfills the requirements of the product standard IEC / DIN EN
61326-1 (Table 2 Industrial Environment).
Depending on the type of port (DC power supply, input/output port) different testing levels according
to IEC / DIN EN 61326-1 against transient overvoltages (Surge) are applied (IEC / DIN EN
61000-4-5 Surge):
Test level on DC power ports and input / output ports is 1000 V line to earth
Overvoltage category
Overvoltage category II

Endress+Hauser

19

Cerabar PMC51B

Performance characteristics
Response time

• HART: acyclic: min. 330 ms, typically 590 ms (depends on commands and number of preambles)• HART: cyclic (burst): min. 160 ms, typically 350 ms (depends on commands and number ofpreambles)• PROFINET with Ethernet-APL: cyclic: min. 32 ms

Reference operating
conditions• As per IEC 62828-2• Ambient temperature TA = constant, in the range of +22 to +28 °C (+72 to +82 °F)• Humidity j = constant, in the range of: 5 to 80 % rF ± 5 %• Ambient pressure pA = constant, in the range of: 860 to 1 060 mbar (12.47 to 15.37 psi)
• Position of the measuring cell: horizontal ±1°• Input of LOW SENSOR TRIM and HIGH SENSOR TRIM for lower range value and upper range value• Supply voltage: 24 V DC ±3 V DC
• Load with HART: 250 Ω• Turn down (TD) = URL/|URV - LRV|
• Zero based span

Total performance

The performance characteristics refer to the accuracy of the device. The factors that influence theaccuracy can be divided into two groups• Total performance of device• Installation factors
All of the performance characteristics meet the requirement of ≥ ± 3 sigma.
The total performance of the device comprises the reference accuracy and the ambient temperatureeffect and is calculated using the following formula:
Total performance = ± √ ( (E1)² + (E2)²)
E1 = Reference accuracy
E2 = Temperature effectCalculation of E2:
Temperature effect per ±28 °C (50 °F)(Corresponds to a range of –3 to +53 °C (+27 to +127 °F))
E2 = E2M + E2E
E2M = Main temperature error
E2E = Electronics error
The values refer to the calibrated span.
Calculation of the total performance with the Endress+Hauser Applicator
Detailed inaccuracies, e.g. for other temperature ranges, can be calculated with the Applicator"Sizing Pressure Performance".

A0038927

20

Endress+Hauser

Cerabar PMC51B

Reference accuracy [E1]
The reference accuracy comprises the non-linearity according to the limit point method, pressure
hysteresis and non-repeatability in accordance with [IEC62828-1 / IEC 61298-2]. Reference
accuracy for standard up to TD 100:1, for platinum up to TD 10:1.
Gauge pressure measuring cells
Measuring cellStandard

Platinum

100 mbar (1.5 psi)

TD 1:1 to 10:1 = ±0.15 %TD > 10:1 = ±0.015 % · TD

TD 1:1 to 10:1 = ±0.075 %250 mbar (3.75 psi)

TD 1:1 to 10:1 = ±0.1 %TD > 10:1 = ±0.01 % · TD

TD 1:1 to 10:1 = ±0.075 %400 mbar (6 psi)
1 bar (15 psi)
2 bar (30 psi)
4 bar (60 psi)
10 bar (150 psi)
40 bar (600 psi)

TD 1:1 to 10:1 = ±0.075 %TD > 10:1 = ±0.0075 % · TD

TD 1:1 to 10:1 = ±0.055 %Absolute pressure measuring cells
Measuring cellStandard

Platinum

100 mbar (1.5 psi)

TD 1:1 to 10:1 = ±0.15 %TD > 10:1 = ±0.015 % · TD

TD 1:1 to 10:1 = ±0.075 %250 mbar (3.75 psi)

TD 1:1 to 10:1 = ±0.1 %TD > 10:1 = ±0.01 % · TD

TD 1:1 to 10:1 = ±0.075 %400 mbar (6 psi)
1 bar (15 psi)
2 bar (30 psi)
4 bar (60 psi)
10 bar (150 psi)
40 bar (600 psi)

TD 1:1 to 10:1 = ±0.075 %TD > 10:1 = ±0.0075 % · TD

TD 1:1 to 10:1 = ±0.055 %Measuring uncertainty for small absolute pressure measuring ranges
The smallest extended uncertainty of measurement that can delivered by our standards in the0.001 to 35 mbar (0.0000145 to 0.5075 psi) range is 0.1 % of the reading +0.004 mbar (0.000058 psi).
Temperature effect [E2]E2M - Main temperature error
The output changes due to the effect of the ambient temperature [IEC 62828-1 / IEC 61298-3] withrespect to the reference temperature [IEC 62828-1]. The values specify the maximum error due tomin./max. ambient or process temperature conditions.
100 mbar (1.5 psi), 250 mbar (3.75 psi) and 400 mbar (6 psi) measuring cell
• Standard: ±(0.277 % · TD + 0.275 %)• Platinum: ±(0.277 % · TD + 0.275 %)1 bar (15 psi), 2 bar (30 psi), 4 bar (60 psi), 10 bar (150 psi) and 40 bar (600 psi) measuring cell
• Standard: ±(0.157 % · TD + 0.235 %)• Platinum: ±(0.157 % · TD + 0.235 %)E2E - Electronics error• Analog output 4 to 20 mA: 0.2 %• Digital output HART: 0 %• Digital output PROFINET: 0 %Resolution

Endress+Hauser

Current output: <1 μA

21

Cerabar PMC51B

Total error

The total error of the device comprises the total performance and the long-term stability effect and is
calculated using the following formula:
Total error = total performance + long-term stability
Calculation of the total error with the Endress+Hauser Applicator
Detailed inaccuracies, e.g. for other temperature ranges, can be calculated with the Applicator"Sizing Pressure Performance".

A0038927

Long-term stability

The specifications refer to the upper range limit (URL).
100 mbar (1.5 psi), 250 mbar (3.75 psi), 400 mbar (6 psi) and 1 bar (15 psi) measuring cell
• 1 year: ±0.20 %• 5 years: ±0.40 %• 10 years: ±0.50 %2 bar (30 psi), 4 bar (60 psi), 10 bar (150 psi) and 40 bar (600 psi) measuring cell
• 1 year: ±0.10 %• 5 years: ±0.25 %• 10 years: ±0.40 %Response time T63 and T90

Dead time, time constantRepresentation of dead time and time constant as per IEC62828-1:
I
100 %
90 %
63 %

t1

t2

t
t3
A0019786

Step response time = dead time (t1) + time constant T90 (t3) according to IEC62828-1
Dynamic behavior, current output (analog electronics)• Dead time (t1): maximum 50 ms• Time constant T63 (t2): maximum 40 ms• Time constant T90 (t3): maximum 90 ms
Dynamic behavior, current output (HART electronics)• Dead time (t1): maximum 50 ms• Time constant T63 (t2): maximum 85 ms• Time constant T90 (t3): maximum 200 ms

22

Endress+Hauser

Cerabar PMC51B

Installation factors

A

B

C

A0052060• A: Membrane axis is horizontal: calibration position, no measurement error• B: Membrane pointing upwards: measurement error ≤ +0.2 mbar (+0.003 psi)
• C: Membrane pointing downwards: measurement error ≤ –0.2 mbar (–0.003 psi)
A position-dependent zero point shift can be corrected on the device.

Warm-up time (according to
IEC62828-4)

Endress+Hauser

≤5 s

23

Cerabar PMC51B

Mounting
Orientation• A position-dependent zero point shift (when the vessel is empty the measured value does not
display zero) can be corrected• The use of shutoff devices and/or water pocket pipes is recommended for mounting• The orientation depends on the measuring application

Installation instructions• The devices are mounted according to the same guidelines as pressure gauges (DIN EN837-2)• To ensure optimal readability of the local display, adjust the housing and local display• Endress+Hauser offers a mounting bracket to mount the device on pipes or walls• Use flushing rings for flanges if there is a risk of medium buildup or clogging at the processconnection• The flushing ring is clamped between the process connection and process• Material buildup in front of the membrane is flushed away, and the pressure chamber is vented,
via the two lateral flushing holes• When measuring in media containing solids (e.g. dirty liquids), installing separators and drain
valves is useful for capturing and removing sediment• Using a valve manifold allows for easy commissioning, installation and maintenance without
interrupting the process• When mounting the device, establishing the electrical connection and during operation: preventthe penetration of moisture into the housing• Point the cable and plug downwards as much as possible to prevent moisture from entering (e.g.
rainwater or condensation)

Sensor selection andarrangement

Mounting the device
Pressure measurement in gases
Mount the device with the shutoff device above the tapping point so that any condensate can flow
into the process.
Pressure measurement in steam
Observe the maximum permitted ambient temperature of the transmitter!
Mounting:• Ideally, mount the device with the O-shaped siphon below the tapping point
The device may also be mounted above the tapping point• Fill the siphon with liquid before commissioning
Advantages of using siphons:• Protects the measuring device from hot, pressurized media due to the formation and collection ofcondensate• Attenuation of water hammer• The defined water column only causes minimal (negligible) measured errors and minimal(negligible) thermal effects on the device
For technical data (e.g. materials, dimensions or order numbers), see the accessory document
SD01553P.
Pressure measurement in liquids
Mount the device with the shutoff device below or at the same level as the tapping point.
Level measurement• Always mount the device below the lowest measuring point• Do not install the device at the following positions:• In the filling curtain• In the tank outlet• In the suction area of a pump
• At a point in the tank which could be affected by pressure pulses from the agitator• Mount the device downstream from a shutoff device: the calibration and function check can be
carried out more easily

24

Endress+Hauser

Cerabar PMC51B

Mounting bracket for device or separate housing
The device or the separate housing can be mounted on walls or pipes (for pipes with a diameter of 1¼" to 2") using the mounting bracket.

ø6 (0.24)

52 (2.05)

86 (3.39)

70 (2.76)

ø42...60 (1.65...2.36)

122 (4.8)
158 (6.22)

140 (5.51)
175 (6.89)
A0028493

Unit of measurement mm (in)Ordering information:• Can be ordered via the Product Configurator• Can be ordered as a separate accessory, part number 71102216
The mounting bracket is included in the delivery if you order the device with a separate
housing.
Special mounting
instructions

Wall and pipe mounting with a manifold (optional)
If the device is mounted on a shutoff device (e.g. manifold or shutoff valve), then use the bracket
provided for this purpose. This makes it easier to disassemble the device.
For technical data, see the SD01553P accessory document.
Sensor, remote (separate housing)The housing of the device (including electronic insert) is mounted away from the measuring point.
This version thus facilitates trouble-free measurement• Under particularly difficult measuring conditions (at installation locations that are cramped ordifficult to access)• If the measuring point is exposed to vibrations
Cable versions:• PE: 2 m (6.6 ft), 5 m (16 ft) and 10 m (33 ft)• FEP: 5 m (16 ft).
The sensor is supplied with the process connection and cable fitted. The housing (including
electronic insert) and a mounting bracket are enclosed as separate units. The cable is provided with asocket at both ends. These sockets are simply connected to the housing (including electronic insert)
and the sensor.

Endress+Hauser

25

Cerabar PMC51B

1
2
3

4

5

r ³ 120 (4.72)

A0038412

1
2
3
4
5

Sensor, remote (including electronic insert)
Mounting bracket provided, suitable for wall mounting or pipe mounting
Cable, both ends are fitted with a socket
Process connection adapter
Process connection with sensor

Ordering information:• Sensor, remote (including electronic insert), and mounting bracket can be ordered via the ProductConfigurator• Mounting bracket can also be ordered as a separate accessory, part number 71102216
Technical data for cable:• Minimum bending radius: 120 mm (4.72 in)• Cable extraction force: max. 450 N (101.16 lbf)
• Resistance to UV light
Use in hazardous area:• Intrinsically safe installations (Ex ia/IS)• FM/CSA IS: for Div.1 installation only
Reduction of the installation height

52 (2.05)

2

41 (1.61)

r ³ 120 (4.72)
1

38 (1.5)

If this version is used, the mounting height of the process connection is reduced compared to thedimensions of the standard version.

86 (3.39)

3!54.1 (2.13)
4A0047094

1
2
3
4

26

Device with display, cover with sight glass made of glass (devices for Ex d, dust Ex)
Device with display, cover with plastic sight glass
Device without display, cover without sight glass
Process connection adapter

Endress+Hauser

Cerabar PMC51B

Environment
Ambient temperature range

The following values apply up to a process temperature of +85 °C (+185 °F). At higher processtemperatures, the permitted ambient temperature is reduced.
• Without segment display or graphic display:Standard: –40 to +85 °C (–40 to +185 °F)• With segment display or graphic display: –40 to +85 °C (–40 to +185 °F) with limitations in opticalproperties such as display speed and contrast. Can be used without limitations up to–20 to +60 °C (–4 to +140 °F)
Segment display: up to –50 to +85 °C (–58 to +185 °F) with restricted operating life andperformance• Separate housing: –20 to +60 °C (–4 to +140 °F)
Hazardous area
• For devices for use in hazardous areas, see the Safety Instructions, Installation Drawing or Control
Drawing• Devices that have the most common explosion protection certificates (e.g. ATEX/ IEC Ex, etc.) canbe used in explosive atmospheres up to the ambient temperature.

Storage temperature• Without LCD display:Standard: –40 to +90 °C (–40 to +194 °F)• With LCD display: –40 to +85 °C (–40 to +185 °F)• Separate housing: –40 to +60 °C (–40 to +140 °F)
With M12 plug, elbowed: –25 to +85 °C (–13 to +185 °F)

Operating altitude

Up to 5 000 m (16 404 ft) above sea level.

Climate classClass 4K4H (air temperature: –20 to +55 °C (–4 to +131 °F), relative humidity: 4 to 100 %) satisfied
as per DIN EN 60721-3-4.
Condensation is possible.

Degree of protection

Test as per IEC 60529 and NEMA 250-2014
Housing and process connection
IP66/68, TYPE 4X/6P(IP68: (1.83 mH2O for 24 h))
Cable entries• Gland M20, plastic, IP66/68 TYPE 4X/6P• Gland M20, brass nickel plated, IP66/68 TYPE 4X/6P• Gland M20, 316L, IP66/68 TYPE 4X/6P• Thread M20, IP66/68 TYPE 4X/6P• Thread G1/2, IP66/68 TYPE 4X/6P
If the G1/2 thread is selected, the device is delivered with an M20 thread as standard and a G1/2
adapter is included with the delivery, along with the corresponding documentation• Thread NPT1/2, IP66/68 TYPE 4X/6P• Dummy plug transport protection: IP22, TYPE 2• Plug HAN7D, 90 deg. IP65 NEMA Type 4X• Plug M12
When housing is closed and connecting cable is plugged in: IP66/67 NEMA Type 4X
When housing is open or connecting cable is not plugged in: IP20, NEMA Type 1
NOTICE
Plug M12 and plug HAN7D: incorrect mounting can invalidate the IP protection class!
‣ The degree of protection only applies if the connecting cable used is plugged in and screwed
tight.
‣ The degree of protection only applies if the connecting cable used is specified according to IP67
NEMA Type 4X.
‣ The IP protection classes are only maintained if the dummy cap is used or the cable is connected.

Endress+Hauser

27

Cerabar PMC51B

Process connection and process adapter when using the separate housing
FEP cable• IP69 (on sensor side)• IP66 TYPE 4/6P
• IP68 (1.83 mH2O for 24 h) TYPE 4/6P
PE cable• IP69 (on sensor side)• IP66 TYPE 4/6P
• IP68 (1.83 mH2O for 24 h) TYPE 4/6P
Vibration resistanceSingle compartment housing
Mechanical construction

Sinusoidal oscillation IEC62828-1/IEC61298-3

Shock

Device10 Hz to 60 Hz: ±0.35 mm (0.0138 in)
60 Hz to 1000 Hz: 5 g

30 g

Device with Ex d and XP version 1)

10 Hz to 60 Hz: ±0.15 mm (0.0059 in)
60 Hz to 1000 Hz: 2 g

30 g

1)

Not for the high-temperature version with Ex d and XP.

Aluminum dual compartment housing
Mechanical construction

Sinusoidal oscillation IEC62828-1/IEC61298-3

Shock

Device10 Hz to 60 Hz: ±0.15 mm (0.0059 in)
60 Hz to 1000 Hz: 2 g

30 g

Device with Ex d version 1)

10 Hz to 60 Hz: ±0.15 mm (0.0059 in)
60 Hz to 1000 Hz: 2 g

30 g

1)

Electromagnetic
compatibility (EMC)

Not for the high-temperature version with Ex d and XP.

• Electromagnetic compatibility as per EN 61326 series and NAMUR recommendation EMC (NE21)• With regard to the safety function (SIL), the requirements of EN 61326-3-x are satisfied• Maximum deviation with interference influence: < 0.5% of span with full measuring range (TD1:1)
For more details refer to the EU Declaration of Conformity.

28

Endress+Hauser

Cerabar PMC51B

Process
Process temperature range

NOTICEThe permitted process temperature depends on the process connection, process seal, ambient
temperature and the type of approval.
‣ All the temperature data in this document must be taken into consideration when selecting thedevice.
–40 to +100 °C (–40 to +212 °F)°F Ta °C
212

100

176

80

140

60

104

40

68

20

32

0

-40

-20

0

20

40

70

80

100

-40

-4

32

68

104

158

176

212

°C
Tp
°F
A0043294

6
Tp
Ta

Values apply for vertical mounting without insulation.
Process temperature
Ambient temperature

The process temperature ranges indicated refer to the permanent operation of the device (maximum
5 °C (41 °F) deviation is permitted)
Seals
Pay attention to the process temperature range of the seal. The temperatures indicated depend on
the resistance of the seal to the medium.
Seal

Temperature

FKM–25 to +100 °C (–13 to +212 °F)

FKM
Cleaned for oxygen service–10 to +60 °C (+14 to +140 °F)

FFKM Perlast G75LT–20 to +100 °C (–4 to +212 °F)

FFKM Kalrez 6375

+5 to +100 °C (+41 to +212 °F)

FFKM Chemraz 505–10 to +100 °C (+14 to +212 °F)

EPDM–40 to +100 °C (–40 to +212 °F)

HNBR–25 to +100 °C (–13 to +212 °F)

Oxygen applications (gaseous)
Oxygen and other gases can react explosively to oils, grease and plastics. The following precautions
must be taken:• All components of the system, such as devices, must be cleaned in accordance with national
requirements.
• Depending on the materials used, a certain maximum temperature and a maximum pressure mustnot be exceeded for oxygen applications.
The cleaning of the device (not accessories) is provided as an optional service.

Endress+Hauser

29

Cerabar PMC51B

Devices with measuring cells, nominal value < 10 bar (150 psi)
• pmax: Over pressure limit (OPL) of the measuring cell and depending on the process connectionused• Devices with PVDF thread:• Only mount with the enclosed mounting bracket!
• pmax: 15 bar (225 psi)
• Tmax: 60 °C (140 °F)
Devices with measuring cells, nominal value ≥ 10 bar (150 psi)
• pmax: 40 bar (600 psi)
• Tmax: 60 °C (140 °F)
Thermal shock

Applications with jumps in temperature
Extreme jumps in temperature can result in temporary measuring errors. Temperature compensation
takes place after a few minutes. Internal temperature compensation is faster the smaller the jump in
temperature and the longer the time interval involved.
For more information: contact the Endress+Hauser sales office.

Process pressure range

Pressure specifications

LWARNING
The maximum pressure for the device depends on the lowest-rated component with regard topressure (components are: process connection, optional mounted parts or accessories).
‣ Only operate the device within the specified limits for the components!
‣ MWP (maximum working pressure): The MWP is specified on the nameplate. This value refers
to a reference temperature of +20 °C (+68 °F) and may be applied to the device for an unlimited
time. Note temperature dependence of MWP. For flanges, refer to the following standards forthe permitted pressure values at higher temperatures: EN 1092-1 (with regard to their stability/
temperature property, the materials 1.4435 and 1.4404 are grouped together under EN 1092-1;
the chemical composition of the two materials can be identical.), ASME B 16.5a, JIS B 2220 (thelatest version of the standard applies in each case). MWP data that deviate from this areprovided in the relevant sections of the Technical Information.
‣ The overpressure limit is the maximum pressure a device may be subjected to during a test. It isgreater than the maximum working pressure by a certain factor. This value refers to a reference
temperature of +20 °C (+68 °F).
‣ The Pressure Equipment Directive (2014/68/EU) uses the abbreviation "PS". The abbreviation "PS"corresponds to the MWP (maximum working pressure) of the device.
‣ In the case of measuring cell range and process connection combinations where the overpressure
limit (OPL) of the process connection is smaller than the nominal value of the measuring cell, thedevice is set at the factory, at the very maximum, to the OPL value of the process connection. If
the entire measuring cell range must be used, select a process connection with a higher OPL
value (1.5 x PN; MWP = PN).
‣ Oxygen applications: do not exceed values for Pmax and Tmax.
Burst pressure
As of the specified burst pressure, the complete destruction of the pressure-bearing parts and/or adevice leak must be expected. It is therefore imperative to avoid such operating conditions bycarefully planning and sizing your facility.
Ultrapure gas applications

Endress+Hauser also offers devices for special applications, such as for ultrapure gas, that arecleaned of oil and grease. No special restrictions regarding the process conditions apply to thesedevices.

Steam applications andsaturated steam applications

For steam and saturated steam applications: Use a device with a metallic membrane or provide awater pocket pipe for temperature decoupling when installing.

30

Endress+Hauser

Cerabar PMC51B

Mechanical construction
Design, dimensions

Device heightThe device height is calculated from• the height of the housing• the height of the individual process connection
The individual heights of the components can be found in the following sections. To calculate thedevice height, add the individual heights of the components. Take the installation clearance into
consideration (space that is used to install the device).

A

B

H

A0043569

A
B
H

Endress+Hauser

Installation clearance
Height of the housing
Height of the process connection

31

Cerabar PMC51B

Dimensions

Single compartment housing!101 (3.98)
1

3

124 (4.88)

127 (5)138 (5.43)

2

45 (1.77)
125 (4.92)

A0054983

Unit of measurement mm (in)1
23

Device with display, cover with sight glass made of glass (devices for Ex d/XP, dust Ex): 138 mm (5.43 in)
Device with display, cover with plastic sight glass: 127 mm (5 in)
Device without display, cover without sight glass: 124 mm (4.88 in)

Cover optionally with ANSI Safety Red (color RAL3002) coating.

32

Endress+Hauser

Cerabar PMC51B

Dual compartment housing
132 (5.2)
121 (4.76)
115 (4.53)

118 (4.65)

131 (5.16)

127 (5)2!101 (3.98)

3

ESC

-

+

E

1
64 (2.52)

54 (2.13)

78 (3.07)
143 (5.63)

A0038377

Unit of measurement mm (in)1
23

Device with display, cover with sight glass made of glass (devices for Ex d/XP, dust Ex): 132 mm (5.2 in)
Device with display, cover with plastic sight glass: 121 mm (4.76 in)
Device without display, cover without sight glass: 118 mm (4.65 in)Cover optionally with ANSI Safety Red (color RAL3002) coating.

Endress+Hauser

33

Cerabar PMC51B!42...60 (1.65...2.36)

52 (2.05)

L

50 (1.97)

70 (2.76)

86 (3.39)

Sensor, remote (separate housing)122 (4.8)

175 (6.89)

1

6 (0.24)

158 (6.22)

140 (5.51)!20 (0.79)
A0038214

Unit of measurement mm (in)1
L

86 mm (3.39 in)Length of cable versions

OPL and MWP
The maximum overpressure limit (OPL) and the maximum working pressure (MWP) of the sensor
can deviate from the maximum OPL and MWP of the process connection.
For the maximum OPL and MWP, see the technical documentation of the process connection.
Explanation of terms• DN or NPS or A = alphanumeric identifier of the flange size
• PN or Class or K = alphanumeric pressure rating of a component

34

Endress+Hauser

Cerabar PMC51B

Height H
Process connection

Height H
Standard

Ex d version

FNPT1/2
MNPT1/2
MNPT1/2 FNPT1/4
G1/2
M20x1.5
B0202
B0203

28 mm (1.1 in)

94 mm (3.7 in)

MNPT1-1/2
MNPT2
G1-1/2
G2
M44x1.25

59 mm (2.32 in)

125 mm (4.92 in)Flanges

83 mm (3.27 in)

150 mm (5.91 in)Thread ISO228 G, internal membrane
B

H

H

A

20 (0.79)

G ½"

17 (0.67)

G ¼"
ø17.5 (0.24)

13 (0.51)

G ½"

20 (0.79)

ø6 (0.24)

3 (0.12)ø3 (0.12)

17 (0.67)

ø8 (0.31)

A0020935

A0020936G ½"

20 (0.79)

ø11.4 (0.45)
ø17.5 (0.24)

17 (0.67)

H

C

A0020937

Engineering unit mm (in)Item

Designation

Material

Weight 1)
kg (lb)AISI 316L
Alloy C276 (2.4819)
A

Thread ISO228 G ½" A EN837

PVDF• Only mount with a mounting bracket (included)• MWP 10 bar (150 psi), OPL max. 15 bar (225 psi)
• Process temperature range: –10 to +60 °C (+14 to +140 °F)

BThread ISO228 G ½" A,
G ¼" (female)

AISI 316L

C

Thread ISO228 G ½" A,
Bore 11.4 mm (0.45 in)

AISI 316L

1)

0.60 (1.32)

Alloy C276 (2.4819)

Alloy C276 (2.4819)

Total weight consisting of sensor assembly and process connection.

Endress+Hauser

35

Cerabar PMC51B

Thread ASME B1.20.1, NPT, internal membrane
B

NPT ½"

25 (0.98)

NPT ½"

ø11.4 (0.45)

25 (0.98)

NPT ¼"H

H

A

A0020939

A0020938

D

NPT ½"
ø26.5 (1.04)

25 (0.98)

NPT ½"

25 (0.98)

ø3 (0.12)

H

H

C

A0020940

A0020943

Engineering unit mm (in)Item

Designation

Material

Weight 1)
kg (lb)A 2)

Thread ASME MNPT ½", FNPT ¼"

B

Thread ASME MNPT ½",
Bore 11.4 mm (0.45 in)C

Thread ASME MNPT ½",
Bore 3 mm (0.12 in)D

Thread ASME FNPT ½"

1)
2)

36

AISI 316L
Alloy C276 (2.4819)
AISI 316L
Alloy C276 (2.4819)
PVDF• Only mount with a mounting bracket (included)• MWP 10 bar (150 psi), OPL max. 15 bar (225 psi)
• Process temperature range: –10 to +60 °C (+14 to +140 °F)

0.60 (1.32)

AISI 316L
Alloy C276 (2.4819)

Total weight consisting of sensor assembly and process connection.
URL max. 100 bar (1 500 psi)

Endress+Hauser

Cerabar PMC51B

Thread JIS, internal membrane
B

H

H

A

G ½"

R ½"

13.2 (0.52)

ø5 (0.2)

ø11.4 (0.45)

23 (0.91)

ø3 (0.12)

3 (0.12)20 (0.79)

ø8 (0.31)

A0021444

A0021445

Engineering unit mm (in)Item

Designation

Weight 1)

Material

kg (lb)A

JIS B0202 G ½" (male)B

JIS B0203 R ½" (male)

1)

AISI 316L

0.60 (1.32)

Total weight consisting of sensor assembly and process connection.

Thread, metric (DIN 13), internal membrane

H

A

M20x1.5

20 (0.79)

ø6 (0.24)

3 (0.12)ø3 (0.12)

17 (0.67)

ø8 (0.31)

A0020945

Engineering unit mm (in)Item

Designation

Material

Weight 1)
kg (lb)A

DIN 13 M20 x 1.5, EN837 3 mm (0.12 in)AISI 316L
Alloy C276 (2.4819)

1)

0.60 (1.32)

Total weight consisting of sensor assembly and process connection.

Endress+Hauser

37

Cerabar PMC51B

Thread ISO228 G, flush membraneB70

ø68 (2.68)
A0020946

30 (1.18)

ø55 (2.17)G 2"

25 (0.98)

28 (1.1)

G 1½"

33.5 (1.32)

H

60

H

A

A0020947

Unit mm (in).

Position

Designation

Weight 1)

Material

kg (lb)A

1)

Thread ISO228 G 1 ½" A

AISI 316L

0.8 (1.76)

B

Thread ISO228 G 2" AAISI 316L

1.2 (2.65)

Total weight consisting of sensor assembly and process connection.

Thread ASME, NPT, flush membrane
A

B

70

NPT 2"

A0020948

33.5 (1.32)

NPT 1½"

27 (1.06)

H

H

60

A0020949

Unit mm (in)Position

Designation

Material

Weight 1)
kg (lb)A

Thread ASME 1 ½" MNPTAISI 316L

0.80 (1.76)

B

Thread ASME 2" MNPTAISI 316L

1.20 (2.65)

1)38

Total weight consisting of sensor assembly and process connection.

Endress+Hauser

Cerabar PMC51B

Thread DIN 13, flush membrane

22 (0.87)

ø40.5 (1.59)

M44x1.25

11 (0.43)

H

60

A0020950

Unit mm (in)Designation

Material

Weight 1)
kg (lb)DIN 13 M44 x 1.25

1)

AISI 316L
Alloy C276 (2.4819)

0.90 (1.98)

Total weight consisting of the sensor assembly and the process connection.

Endress+Hauser

39

Cerabar PMC51B

Flange EN1092-1, flush membrane
Connection dimensions according to EN1092-1.

H

b

g2

2

26
g
k
D
A0020955

D
b
g
k
g2

Diameter of flange
Thickness
Raised face
Pitch diameter
Diameter of holeEngineering unit mm

FlangeMaterial

Weight 1)

Boltholes
DN

PN

Form

D

b

g

mm

mm

mm

Quantity

g2

k

mm

mm

kg (lb)AISI 316L

DN 25

PN 10-40

B1

115

18

68

4

14

85

1.9 (4.19)

AISI 316L

DN 32

PN 10-40

B1

140

18

78

4

18

100

2.5 (5.51)

AISI 316L

DN 40

PN 10-40

B1

150

18

88

4

18

110

3.0 (6.62)

PVDF

2) 3)

DN 40

PN 10-16

B2

150

21.4

88

4

18

110

1.3 (2.87)

ETFE

3)

DN 40

PN 10-40

B2

150

21

88

4

18

110

3.0 (6.62)

AISI 316L

DN 50

PN 10-40

B1

165

20

102

4

18

125

3.5 (7.72)

PVDF

2) 3)

DN 50

PN 10-16

B2

165

21.4

102

4

18

125

1.4 (3.09)

ETFE

3)

DN 50

PN 25-40

B2

165

21

102

4

18

125

3.7 (8.16)

DN 80

PN 10-40

B1

200

24

138

8

18

160

5.8 (12.79)

DN 80

PN 25-40

B2

200

25

138

8

18

160

5.2 (11.47)

AISI 316L
ETFE

3)

1)
2)
3)

Total weight consisting of sensor assembly and process connection.
MWP 10 bar (150 psi), OPL max. 15 bar (225 psi); process temperature range: –10 to +60 °C (+14 to +140 °F)
ETFE coating on AISI 316L (1.4404). When using in hazardous areas: avoid electrostatic charge on the plastic surfaces.

40

Endress+Hauser

Cerabar PMC51B

Flange ASME B16.5, RF, flush membrane
Connection dimensions in accordance with ASME B16.5, raised face RF

0.08

H

b

g2

1.024
g
k
D
A0034685

D
b
g
k
g2

Diameter of flange
Thickness
Raised face
Pitch diameter
Diameter of holeEngineering unit inFlangeWeight 1)

Boltholes

Material

NPS

Class

in

D

b

g

in

in

in

Quantity

g2

k

in

in

kg (lb)AISI 316/316L

2) 3)

1

150

4.25

1.18

2

4

0.62

3.12

2.3 (5.07)

AISI 316/316L

2) 3)

1

300

4.88

1.18

2

4

0.75

3.5

8.5 (18.74)

AISI 316/316L

2)

1½

150

5

0.69

2.88

4

0.62

3.88

2.1 (4.63)

AISI 316/316L

2)

1½

300

6.12

0.81

2.88

4

0.88

4.5

3.3 (7.28)

AISI 316/316L

2)

2

150

6

0.75

3.62

4

0.75

4.75

3.1 (6.84)

ETFE

4)

2

150

6

0.75

3.62

4

0.75

4.75

3.1 (6.84)

AISI 316/316L

2)

2

300

6.5

0.88

3.62

8

0.75

5

4.0 (8.82)

AISI 316/316L

2)

3

150

7.5

0.94

5

4

0.75

6

5.7 (12.57)

ETFE

4)

3

150

7.5

0.94

5

4

0.75

6

5.7 (12.57)

PVDF

5)

3

150

7.5

0.94

5

4

0.75

6

1.6 (3.53)

AISI 316/316L 2)

3

300

8.25

1.12

5

8

0.88

6.62

7.5 (16.54)

AISI 316/316L 2)

4

150

9

0.94

6.19

8

0.75

7.5

7.6 (16.76)

ETFE 4)

4

150

9

0.94

6.19

8

0.75

7.5

7.8 (17.20)

AISI 316/316L 2)

4

300

10

1.25

6.19

8

0.88

7.88

12.4 (27.34)

1)
2)
3)
4)
5)

Total weight consisting of sensor assembly and process connection.
Combination of AISI 316 for required pressure resistance and AISI 316L for required chemical resistance (dual rated)
Screws must be 15 mm (0.59 in) longer than the standard flange screws
ETFE coating on AISI 316/316L. When using in hazardous areas: avoid electrostatic charge on the plastic surfaces.
MWP 10 bar (150 psi), OPL max. 15 bar (225 psi); process temperature range: –10 to +60 °C (+14 to +140 °F)

Endress+Hauser

41

Cerabar PMC51B

Flange JIS B2220, RF, flush membrane
Connection dimensions in accordance with JIS B 2220 BL, raised face RF

H

b

g2

2

26
g
k
D
A0034684

D
b
g
k
g2

Diameter of flange
Thickness
Raised face
Pitch diameter
Diameter of holeEngineering unit mm

FlangeMaterial

Weight 1)

Boltholes
A 2)

K 3)

D

b

g

mm

mm

mm

Quantity

g2

k

mm

mm

50 A

10 K

155

16

96

4

19

120

2.9 (6.39)

80 A

10 K

185

18

127

8

19

150

3.9 (8.60)

100 A

10 K

210

18

151

8

19

175

5.3 (11.69)

1)
2)
3)

kg (lb)

Total weight consisting of sensor assembly and process connection.
Alphanumeric designation of the flange size.
Alphanumeric pressure rating of a component.

WeightHousing
Weight including electronics and display.
• Single compartment housing: 1.1 kg (2.43 lb)• Dual compartment housing
Aluminum: 1.4 kg (3.09 lb)
Sensor, remote (separate housing)• Housing: see the Housing section• Housing adapter: 0.55 kg (1.21 lb)• Process connection adapter: 0.36 kg (0.79 lb))
• Cable:• PE cable, 2 meters: 0.18 kg (0.40 lb)• PE cable, 5 meters: 0.35 kg (0.77 lb)• PE cable, 10 meters: 0.64 kg (1.41 lb)• FEP cable, 5 meters: 0.62 kg (1.37 lb)• Mounting bracket: 0.46 kg (1.01 lb)
Process connections
Weight, see the specific process connection.
Ex d version: 0.63 kg (1.39 lb)
Accessories
Mounting bracket: 0.5 kg (1.10 lb)

42

Endress+Hauser

Cerabar PMC51B

Materials in contact withprocess

Membrane material
Al2O3 Aluminum-oxide ceramic, ultrapure 99.9 %, Ceraphire® (see also www.endress.com)
Seal
• FKM
• EPDM (FDA 21 CFR 177.2600)• HNBR (FDA 21 CFR 177.2600)• FFKM Perlast G75LT• FFKM Chemraz 505• FFKM Kalrez 6375
Process connections
See the specific process connection.
Accessories
For technical data (e.g. materials, dimensions or order numbers), see the accessory document
SD01553P.

Materials not in contact withprocess

Single compartment housing, aluminum, coated• Housing: aluminum EN AC 43400• Housing coating, cover: polyester• EN AC-43400 aluminum cover with Lexan 943A PC sight glass
EN AC-443400 aluminum cover with borosilicate sight glass; dust-Ex for Ex d/XP
• Dummy cover: aluminum EN AC 43400• Cover sealing materials: HNBR• Cover sealing materials: FVMQ (in low temperature version only)• Potential equalization: 316L
• Seal under potential equalization: EPDM
• Plug: PBT-GF30-FR or aluminum• Plug sealing material: EPDM
• Nameplate: plastic foil
• TAG plate: plastic foil, stainless steel or provided by the customer
The cable entry (material: Stainless steel, nickel-plated brass, plastic) can be ordered via the"Electrical connection" product structure.
Dual compartment housing, aluminum, coated• Housing: aluminum EN AC 43400• Housing coating, cover: polyester• EN AC-43400 aluminum cover with Lexan 943A PC sight glass
EN AC-443400 aluminum cover with borosilicate sight glass; dust-Ex for Ex d/XP
• Dummy cover: aluminum EN AC 43400• Cover sealing materials: HNBR• Cover sealing materials: FVMQ (in low temperature version only)• Potential equalization: 316L
• Seal under potential equalization: EPDM
• Plug: PBT-GF30-FR or aluminum• Plug sealing material: EPDM
• Nameplate: plastic foil
• TAG plate: plastic foil, stainless steel or provided by the customer
The cable entry (material: Stainless steel, nickel-plated brass, plastic) can be ordered via the"Electrical connection" product structure.
Electrical connection
Coupling M20, plastic• Material: PA• Seal on cable gland: EPDM
• Dummy plug: plastic

Endress+Hauser

43

Cerabar PMC51B

Coupling M20, nickel-plated brass• Material: nickel-plated brass• Seal on cable gland: EPDM
• Dummy plug: plastic
Coupling M20, 316L
• Material: 316L
• Seal on cable gland: EPDM
• Dummy plug: plastic
M20 coupling, 316 L, hygiene• Material: 316L
• Seal on cable gland: EPDM
M20 thread
The device is supplied with M20 thread as standard.
Transport plug: LD-PE
Thread G ½
The device is supplied with an M20 thread as standard and an adapter to G½ including
documentation is included.
• Adapter made of PA66-GF or aluminum or 316L (depends on housing version ordered)• Transport plug: LD-PE
NPT ½ thread
The device is supplied with an NPT½ thread as standard (aluminum housing, 316L housing) or withan M20 thread and an adapter to NPT½ including documentation (plastic housing, hygienic
housing).
• Adapter made of PA66-GF or 316L (depends on housing version ordered)• Transport plug: LD-PE
Thread NPT ¾
The device is supplied with thread NPT ¾ as standard
Transport plug: LD-PE
M20 coupling, blue plastic• Material: PA, blue
• Seal on cable gland: EPDM
• Dummy plug: plastic
M12 plug• Material: nickel-plated CuZn or 316L (depends on housing version ordered)• Transport cap: LD-PE
HAN7D plug
Material: aluminum, die-cast zinc, steel
Valve plug ISO44000 M16• Material: PA6• Transport plug: LD-PE
Separate housing• Mounting bracket• Bracket: AISI 316L (1.4404)• Screw and nuts: A4-70• Half-shells: AISI 316L (1.4404)• Seal for cable from separate housing: EPDM
• Gland for cable of separate housing: AISI 316L (1.4404)• PE cable for separate housing: abrasion-proof cable with strain-relief Dynema members; shieldedusing aluminum-coated foil; insulated with polyethylene (PE-LD), black; copper wires, twisted,
UV‑resistant• FEP cable for separate housing: abrasion-proof cable; shielded using galvanized steel wire netting;insulated with fluorinated ethylene propylene (FEP), black; copper cores, twisted, UV-resistant• Process connection adapter for separate housing: AISI 316L (1.4404)
Connecting parts• Connection between housing and process connection: AISI 316L (1.4404)• Measuring cell body: AISI 316L (1.4404)
Accessories

44

For technical data (e.g. materials, dimensions or order numbers), see the accessory document
SD01553P.

Endress+Hauser

Cerabar PMC51B

Display and user interface
Operating concept (not for
devices with 4 to 20 mA
analog)Operator-oriented menu structure for user-specific tasks• User navigation• Diagnostics• Application• System
Fast and safe commissioning• Interactive wizard with graphical user interface for guided commissioning in FieldCare, DeviceCareor DTM, AMS and PDM-based third-party tools or SmartBlue• Menu guidance with short explanations of the individual parameter functions• Standardized operation at the device and in the operating tools• PROFINET with Ethernet-APL: access to the device via Web server
Efficient diagnostic behavior increases measurement availability• Remedial measures are integrated in plain text
• Diverse simulation options
Bluetooth module (optionally integrated in local display)• Quick and easy setup with SmartBlue app or PC with DeviceCare, version 1.07.00 and higher, orFieldXpert SMT70• No additional tools or adapters required• Encrypted single point-to-point data transmission (tested by Fraunhofer Institute) and passwordprotected communication via Bluetooth® wireless technology

Local operation

Operating keys and DIP switches on the electronic insert
Analog 4 to 20 mA
1
2
Span/II

off on

Display

off ondamping

Zero/I

4 3
A0039344

1
2
3
4Operating key for lower range value (Zero)
Operating key for upper range value (Span)
DIP switch for damping
DIP switch for locking and unlocking the device

HART
1
Zero/I

off onSW MaxAlarm

Display2
Span/II

43
A00392851
2
3
4Operating key for lower range value (Zero)
Operating key for upper range value (Span)
DIP switch for alarm current
DIP switch for locking and unlocking the device

The setting of the DIP switches has priority over the settings made via other operation methods(e.g. FieldCare/DeviceCare).

Endress+Hauser

45

Cerabar PMC51BPROFINET with Ethernet-APL

Net

Mod

Displayof f on1

3 2
A0046061

1
2
3

Operating key for position adjustment (zero point correction) and device reset
DIP switch for setting the service IP address
DIP switch for locking and unlocking the device

The setting of the DIP switches has priority over the settings made via other operation methods(e.g. FieldCare/DeviceCare).
Local display

Device display (optional)
Functions:
Display of measured values and fault and notice messages
The device displays are available with the additional option of Bluetooth® wireless technology.

4 5 6

7

1
2
3

A0043599

7
1
2
3
4
5
6
7

46

Segment display
Measured value (up to 5 digits)
Bar graph proportional to the current output (not for PROFINET with Ethernet-APL)
Unit of measured value
Locked (symbol appears when the device is locked)
Bluetooth (symbol flashes if Bluetooth connection is active) (only HART and PROFINET with Ethernet-APL)
HART communication (symbol is displayed if HART communication is active) , or communication via
PROFINET is active (only HART and PROFINET with Ethernet-APL)
Measured value output in %Endress+Hauser

Cerabar PMC51B

Remote operation

Via HART protocol or Bluetooth

3

2

6

1

4

9

8

5

7
A0044334

8
1
2
3
4
5
6
7
8
9

Options for remote operation via HART protocol
PLC (programmable logic controller)
Transmitter power supply unit, e.g. RN221N (with communication resistor)
Connection for Commubox FXA195 and AMS TrexTM device communicator
AMS TrexTM device communicator
Computer with operating tool (e.g. DeviceCare/FieldCare , AMS Device View, SIMATIC PDM)
Commubox FXA195 (USB)
Field Xpert SMT70/SMT77, smartphone or computer with operating tool (e.g. DeviceCare/FieldCare, AMS
Device View, SIMATIC PDM)
Bluetooth modem with connecting cable (e.g. VIATOR)
Transmitter

Via PROFINET with Ethernet-APL network
1

2

3

4

5

6

6

6

6
A0046097

9
1
2
3
4
5
6

Endress+Hauser

Options for remote operation via PROFINET with Ethernet-APL network: star topology
Automation system, e.g. Simatic S7 (Siemens)
Ethernet switch
Computer with Web browser (e.g., Microsoft Edge) for accessing the integrated device Web server orcomputer with operating tool (e.g., FieldCare, DeviceCare, SIMATIC PDM) with iDTM Profinet Communication
APL power switch (optional)
APL field switch
APL field device

47

Cerabar PMC51B

Call up the website via the computer in the network. The IP address of the device must be known.
The IP address can be assigned to the device in a variety of ways:• Dynamic Configuration Protocol (DCP), factory setting
The automation system (e.g. Siemens S7) automatically assigns the IP address to the device• Software addressing
The IP address is entered via the IP address parameter• DIP switch for service
The device then has the fixed IP address 192.168.1.212
The IP address is only adopted following a restart.
The IP address can now be used to establish the connection to the network
The default setting is that the device uses the Dynamic Configuration Protocol (DCP). The
automation system (e.g. Siemens S7) automatically assigns the IP of the device.
Via Web browser (for devices with PROFINET)
Function scopeThanks to the integrated Web server the device can be operated and configured via a Web browser.
The structure of the operating menu is the same as for the local display. In addition to the measured
values, device status information is also displayed and allows users to monitor the status of thedevice. Furthermore the device data can be managed and the network parameters can be configured.
Via service interface (CDI)
With the Commubox FXA291, a CDI connection is established with the device interface and a
Windows PC/notebook with a USB port.
Operation via Bluetooth® wireless technology (optional)
Requirement• Device with Bluetooth display• Smartphone or tablet with Endress+Hauser SmartBlue app or PC with DeviceCare from version
1.07.00 or FieldXpert SMT70
The connection has a range of up to 25 m (82 ft). The range can vary depending on environmental
conditions such as attachments, walls or ceilings.
System integration

HART
Version 7
PROFINET with Ethernet-APL
PROFINET Profile 4.02

Supported operating tools

Smartphone or tablet with Endress+Hauser SmartBlue (app), DeviceCare, version 1.07.00 andhigher, FieldCare, DTM, AMS and PDM.
PC with Web server via fieldbus protocol.

48

Endress+Hauser

Cerabar PMC51B

Certificates and approvals
Current certificates and approvals for the product are available at www.endress.com on the relevant
product page:1.

Select the product using the filters and search field.

2.

Open the product page.

3.

Select Downloads.

CE mark

The device meets the legal requirements of the relevant EC directives. Endress+Hauser confirms thatthe device has been successfully tested by applying the CE mark.

RCM-Tick marking

The supplied product or measuring system meets the ACMA (Australian Communications and Media
Authority) requirements for network integrity, interoperability, performance characteristics as wellas health and safety regulations. Here, especially the regulatory arrangements for electromagnetic
compatibility are met. The products bear the RCM-Tick marking on the nameplate.

A0029561

Ex approvals• ATEX• CSA• NEPSI• UKCA• INMETRO
• KC
• EAC
• JPN
• Combinations of different approvals also
All the data related to explosion protection is provided in separate Ex documentation which is alsoavailable upon request. The Ex documentation is supplied as standard with all devices approved foruse in explosion hazardous areas.
Additional approvals in preparation.
Explosion-protected smartphones and tablets
If used in hazardous areas, mobile end devices with an Ex approval must be used.

Sanitary compatibility

The following applies for the ceramic membrane:
The US Food & Drug Administration (FDA) has no objections to the use of ceramics made fromaluminum oxide as a surface material in contact with foodstuffs. This declaration is based on the
FDA certificates of our ceramic suppliers.

EAC conformity

The device meets the legal requirements of the applicable EAC Directives. These are listed in thecorresponding EAC Declaration of Conformity along with the standards applied.
Endress+Hauser confirms successful testing of the device by affixing to it the EAC mark.

Drinking water approval• NSF/ANSI 61 drinking water approval• KTW drinking water approval W 270

Overfill protection (inpreparation)

The device is tested in accordance with the approval guidelines for overfill protection units (ZGÜS:2012-07) as overfill protection as per Section 63 of the German Water Resources Act (WHG).

Functional safety SIL/
IEC 61508 Declaration ofConformity (optional)

The devices with a 4-20 mA output signal have been developed according to the IEC 61508
standard. These devices can be used to monitor the process level and pressure up to SIL 3. For adetailed description of the safety functions, settings and functional safety data, see the "Functional
Safety Manual".

Endress+Hauser

49

Cerabar PMC51B

Marine approval• ABS (American Bureau of Shipping)• LR (Lloyd's Register)• BV (Bureau Veritas)• DNV GL (Det Norske Veritas / German Lloyd)

Radio approval

Displays with Bluetooth LE have radio licenses according to CE and FCC. The relevant certification
information and labels are provided on display.

CRN approval

A CRN approval (Canadian Registration Number) is available for some device versions. These devices
are fitted with a separate plate bearing the registration number CRN 0F23358.5C. In order to obtaina CRN-approved device, a CRN-approved process connection must be ordered along with the option"CRN" in the order code for "Additional approvals".

Test reports

Test, certificate, declarations• Inspection certificate 3.1, EN10204 (material certificate, wetted metallic parts)
The selection of this feature for coated process membranes/process connections refers to themetallic base material• NACE MR0175 / ISO 15156 (wetted metallic parts), declaration• NACE MR0103 / ISO 17945 (wetted metallic parts), declaration• AD 2000 (wetted, metallic parts), declaration, excluding membrane• Pressure test, internal procedure, test report• Helium leak test, internal procedure, test report• PMI test, internal procedure (wetted metallic parts), test report
Test reports, declarations and inspection certificates are available in electronic format in the Device
Viewer: enter the serial number from the nameplate (www.endress.com/deviceviewer).
Applicable for the order codes "Calibration" and "Test, certificate" .
Product documentation on paper
Test reports, declarations and inspection certificates in hard copy can optionally be ordered with theorder option "Product documentation on paper". These documents are supplied with the ordered
product.
Calibration
5-point calibration certificate
10-point calibration certificate, traceable to ISO/IEC 17025
Manufacturer declarations
Various manufacturer declarations can be downloaded from the Endress+Hauser website. Other
manufacturer declarations can be ordered via the Endress+Hauser sales office.
Downloading the Declaration of Conformity
www.endress.com → Download

Pressure Equipment
Directive 2014/68/EU (PED)

Pressure equipment with allowable pressure ≤ 200 bar (2 900 psi)
Pressure equipment (maximum working pressure PS ≤ 200 bar (2 900 psi)) can be classified aspressure accessories according to the Pressure Equipment Directive 2014/68/EU. If the maximum
working pressure is ≤ 200 bar (2 900 psi) and the pressurized volume of the pressure equipment is ≤0.1 l, the pressure equipment is subject to the Pressure Equipment Directive (see Pressure Equipment
Directive 2014/68/EU, Article 4, point 3). The Pressure Equipment Directive only requires that thepressure equipment shall be designed and manufactured in accordance with the "sound engineering
practice of a Member State".
Reasons:• Pressure Equipment Directive (PED) 2014/68/EU Article 4, point 3• Pressure equipment directive 2014/68/EU, Commission's Working Group "Pressure", Guideline
A-05 + A-06

50

Endress+Hauser

Cerabar PMC51B

Note:
A partial examination shall be performed for pressure instruments that are part of a safety
instrumented system for the protection of a pipe or vessel from exceeding allowable limits (safety
accessory in accordance with Pressure Equipment Directive 2014/68/EU, Article 2, point 4).
Pressure equipment with allowable pressure > 200 bar (2 900 psi)
Pressure equipment designated for application in every process fluid having a pressurized volume of<0.1 l and a max. allowable pressure PS > 200 bar (2 900 psi) must satisfy the essential safety
requirements set out in Annex I of the Pressure Equipment Directive 2014/68/EU. According to
Article 13 pressure equipment shall be classified by category in accordance with Annex II. Taking
into account the low volume specified above, the pressure instruments can be categorized as
category I pressure equipment. These devices must then bear the CE marking.
Reasons:• Pressure Equipment Directive 2014/68/EU, Article 13, Annex II• Pressure equipment directive 2014/68/EU, Commission's Working Group "Pressure", Guideline
A-05
Note:
A partial examination shall be performed for pressure instruments that are part of a safety
instrumented system for the protection of a pipe or vessel from exceeding allowable limits (safety
accessory in accordance with Pressure Equipment Directive 2014/68/EU, Article 2, point 4).
Oxygen application

Verified cleaned, suitable for O2 service (wetted parts)

China RoHS symbol

The device is visibly identified according to SJ/T 11363-2006 (China-RoHS).

RoHS

The measuring system complies with the substance restrictions of the Restriction on Hazardous
Substances Directive 2011/65/EU (RoHS 2).

Certification PROFINET with
Ethernet-APL

PROFINET with Ethernet-APL interface

Additional certification

Classification of process seal between electrical systems and (flammable or combustible)
process liquids in accordance with UL 122701 (formerly ANSI/ISA 12.27.01)

The device is certified and registered by the PNO (PROFIBUS Nutzerorganisation e.V. / PROFIBUS
User Organization). The measuring system meets all the requirements of the following
specifications:• Certified according to:• Test specification for PROFINET devices• PROFINET Security Level – Netload Class• The device can also be operated with certified devices of other manufacturers (interoperability)

Endress+Hauser devices are designed according to UL 122701 (formerly ANSI/ISA 12.27.01) whichmeans that users do not need and can save on external secondary process seals in the pipe as
required in the process seal sections of ANSI/NFPA 70 (NEC) and CSA 22.1 (CEC). These devices
comply with North American installation practice and allow very safe and cost-effective installation
for pressurized applications with hazardous fluids. The devices are assigned "single seal" as follows:
CSA C/US IS, XP, NI:
40 bar (600 psi)
Further information can be found in the control drawings of the relevant devices.
Metrological approval
If you select the "China" order option, the device is delivered with a Chinese nameplate according to
the Chinese Quality Act.

Endress+Hauser

51

Cerabar PMC51B

Ordering information
Ordering information

Detailed ordering information is available from the nearest sales organizationwww.addresses.endress.com or in the Product Configurator under www.endress.com:
1.

Select the product using the filters and search field.

2.

Open the product page.

The Configuration button opens the Product Configurator.
Product Configurator - the tool for individual product configuration• Up-to-the-minute configuration data
• Depending on the device: direct input of information specific to the measuring point, such as
the measuring range or operating language• Automatic verification of exclusion criteria• Automatic creation of the order code and its breakdown in PDF or Excel output format• Ability to order directly in the Endress+Hauser Online Shop
Scope of delivery

The scope of delivery comprises:• Device• Optional accessories
Accompanying documentation:• Brief Operating Instructions• Final inspection report• Additional Safety Instructions for devices with approvals (e.g. ATEX, IECEx, NEPSI, etc.)• Optional: factory calibration form, test certificates
The Operating Instructions are available on the Internet at:
www.endress.com → Download

Service

The following services, among others, can be selected using the Product Configurator.
• Cleaned of oil+grease (wetted)• Verified cleaned, suitable for O2 applic. (wetted)• PWIS-free (paint-wetting impairment substances)(The plastic protective cover is excluded from the PWIS cleaning)• ANSI Safety Red coating, coated housing cover• Set HART burst mode PV• Set max. alarm current• Bluetooth communication is disabled on delivery• Product documentation on paper
As an option, test reports, declarations and material test certificates can be ordered as a paper
printout using the feature Service, formatProduct documentation on paper. The required
documents can be selected under the feature Test, certificate, declaration and are then included
with the device on delivery.

Measuring point (tag)52• Order code: marking• Option: Z1, tagging (TAG), see additional specification• Location of tag identifier: to be selected in the additional specifications• Tag plate, stainless steel• Self-adhesive paper label• Supplied plate• RFID TAG• RFID TAG + tag plate stainless steel• RFID TAG + self-adhesive paper label• RFID TAG + supplied label/plate• Definition of tag name: to be defined in the additional specifications
3 lines, each containing up to maximum 18 characters
The specified tag name appears on the selected label and/or the RFID TAG• Identification on electronic nameplate (ENP): 32 digits

Endress+Hauser

Cerabar PMC51B

Test reports, declarations
and inspection certificates

All test reports, declarations and inspection certificates are provided electronically in the Device
Viewer:Enter the serial number from the nameplate (www.endress.com/deviceviewer)
Product documentation on paper
Test reports, declarations and inspection certificates in hard copy can optionally be orderedwith feature 570 "Service", Version I7 "Product documentation on paper". The documents arethen provided with the device upon delivery.

Endress+Hauser

53

Cerabar PMC51B

Accessories
Device-specific accessories

Mechanical accessories• Mounting bracket for housing• Mounting bracket for block & bleed valves• Block&Bleed valves:• Block&Bleed valves can be ordered as enclosed accessories (seal for mounting is enclosed)• Block&Bleed valves can be ordered as mounted accessories (mounted manifolds are suppliedwith a documented leak test)• Certificates (e.g. 3.1 material certificate and NACE) and tests (e.g. PMI and pressure test) thatare ordered with the device apply for the transmitter and the manifold• During the operating life of the valves, it may be necessary to re-tighten the pack
• Water pocket pipes (PZW)• Flushing rings• Weather protection covers
For technical data (e.g. materials, dimensions or order numbers), see the accessory document
SD01553P.
Plug connectors• Plug connector M12 90 deg, IP67 5m cable, union nut, Cu Sn/Ni• Plug connector M12, IP67 union nut, Cu Sn/Ni• Plug connector M12, 90 deg IP67 union nut, Cu Sn/Ni
The IP protection classes are only maintained if the dummy cap is used or the cable isconnected.
Weld-in accessory
For details, refer to TI00426F/00/EN "Weld-in adapters, process adapters and flanges".

Device Viewer

54

All the spare parts for the device, along with the order code, are listed in the Device Viewer(www.endress.com/deviceviewer).

Endress+Hauser

Cerabar PMC51B

Documentation
For an overview of the scope of the associated Technical Documentation, refer to the following:• Device Viewer (www.endress.com/deviceviewer): Enter the serial number from thenameplate• Endress+Hauser Operations app: Enter serial number from nameplate or scan matrix code on
nameplate.
Standard documentation• Technical Information: planning guide
The document contains all the technical data on the device and provides an overview of theaccessories and other products that can be ordered for the device• Brief Operating Instructions: takes you quickly to the 1st measured value
The Brief Operating Instructions contain all the essential information from incoming acceptance toinitial commissioning• Operating Instructions: reference manual
The Operating Instructions contain all the information that is required in the various phases of thelife cycle of the device: from product identification, incoming acceptance and storage, to mounting,connection, operation and commissioning through to troubleshooting, maintenance and disposal

Supplementary devicedependent documentation

Additional documents are supplied depending on the device version ordered: Always comply strictlywith the instructions in the supplementary documentation. The supplementary documentation is an
integral part of the device documentation.

Field of Activities

Document FA00004P
Pressure measurement, powerful devices for process pressure, differential pressure, level andflow

Special Documentation

Document SD01553P
Mechanical accessories for pressure equipment
The documentation provides an overview of available manifolds, oval flange adapters, pressuregauge valves, shutoff valves, water pocket pipes, condensate pots, cable shortening kits, test
adapters, flushing rings, Block&Bleed valves and protective roofs.

Registered trademarks
HART®
Registered trademark of the FieldComm Group, Austin, Texas, USA
PROFINET®
Registered trademark of the PROFIBUS User Organization, Karlsruhe, Germany
Bluetooth®
The Bluetooth® wordmark and logos are registered trademarks of Bluetooth SIG, Inc. and any use of
these trademarks by Endress+Hauser is licensed. Other trademarks and trade names are those of
their respective owners.
KALREZ®
Registered trademark of DuPont Performance Elastomers L.L.C., Wilmington, USA

Endress+Hauser

55

*71647841*
71647841

www.addresses.endress.com