5EX

4321

Nonhazardous Locations

Hazardous (Classified) Location
Class I / Division 1, 2 / Groups ABCDClass I / Zone 0 / IIC T6/T5/T4
Class II / Division 1, 2 / Groups EFG
Class III

Installation Notes RIA 141

EX

Loop power supply

see also installation notes
for using power supply

Terminal 2 and 3
Open Collector

B

B

ActiveAA+e.g. Process Transmitter

EXPLOSION PROOF
Class I / Div. 1 / Groups ABCD
DUST IGNITION PROOF
Class II,III / Div. 1 / Groups EFG- CSA certified apparatus must be installed in accordance with manufacturer’s instructions.
- Installation must be in accordance with Canadian Electrical Code.
- Use supply wires suitable for 5°C above surroundings.
- Conduit seal required at 18".
- All Conduits must be assembled with a minimum of five full threads engagement.
- A dust tight seal must be used for conduit entry when the field display is used in a Class II or Class III location.
- Keep tight when circuits alive.
- Warning:
Substitution of components may impair suitability for Class I, Division 2.
- Warning:
Do not disconnect equipment unless power has been switched off or the area is known to be nonhazardous.
- Supply circuit (Terminals + and 1)
Vmax £ 35 V DC
Pmax = 1.75 W- Open Collector (Terminals 2 and 3)
Vmax £ 35 V DC
Pmax £ 875 mW

Connecting a active current sourcee.g. a sensor with ist own power supply and active current output
Passive
Terminal 2 and 3
Open Collector

loop power supplyCCConnecting a passive current sourcee.g. 2-wire transmitter with additional loop power supply

Temperature range
T4
T5
T6

-40°C ... +80°C-40°C ... +70°C-40°C ... +55°CPfanzelt
Volume (mm³)

Designed

Pfanzelt
Refer to protection notice
ISO 16016

Date (yyyy-mm-dd)

Drawing No.

2005-03-23
Date (yyyy-mm-dd)

Unit

2005-03-24

Edge of working parts Geometrical tolerancing
ISO 13715
ISO 2768-mH-E

Part No.

02 15 00 114

RIA 141-

Dwg.rev.

Revision no.

Scale

Title

1:1
Format

A4

Revision date (yyyy-mm-dd)

Name

CONTROL DRAWING CSA
Explosionproof

Material
510 10645
ZD 041R/09/en/05.05

DD

Approved

SeriesObjekt version

SheetEndress + Hause r
WetzerNesselwang / Germany

1 of 2 GmbH+Co. KG54321

EXB

ActiveConnecting a active current sourcee.g. a sensor with ist own power supply and active current output
Passive
Terminal 2 and 3
Open Collector

loop power supply

Temperature range

For these current controlled circuits, the parameter Imax is not required and need not to be aligned withparameter Isc and It of the Associated Nonincendive Field Wiring Apparatus or Associated Apparatus.

-40°C ... +80°C-40°C ... +70°C-40°C ... +55°C

Pfanzelt
DesignedPfanzelt

Date (yyyy-mm-dd)

Drawing No.

2005-03-23
Date (yyyy-mm-dd)

Unit

2005-03-24

Edge of working parts Geometrical tolerancing
ISO 13715
ISO 2768-mH-E

Part No.

02 15 00 114

RIA 141-Dwg.rev.

Revision no.

ScaleTitle

1:1
Format

A4

Revision date (yyyy-mm-dd)

Name

CONTROL DRAWING CSA
Nonincendive

Material
510 10645
ZD 041R/09/en/05.05

DDApproved

Refer to protection notice
ISO 16016

NONINCENDIVE, FIELD WIRINGClass I / Zone 2 / Ex nA IIC
The Nonincendive Field Wiring Circuit Concept allows interconnection of Nonincendive Field Wiring
Apparatus with Associated Nonincendive Field Wiring Apparatus or Associated Intrinsically Safe Apparatus
or Associated Apparatus not specifically examined in combination as a system using any of the wiring
methods permitted for unclassified locations, when Voc £ Vmax, Ca ³ Ci + Ccable, La ³ Li + Lcable.
Transmitter Nonincendive Field Wiring parameters are as follows:
Supply circuit (Terminals + and 1)
Vmax £ 35 V DC
Ci = 0, Li = 0
Imax = see following note below
Pmax = 1.75 W
Open Collector (Terminals 2 and 3)
Vmax £ 35 V DC
Ci = negligible small, Li = 0Imax £ see following note below
Pmax £ 875mW

CCConnecting a passive current sourcee.g. 2-wire transmitter with additional loop power supply

BNONINCENDIVEClass I / Zone 2 / Ex nA IIC- Intrinsic safety barrier not required.
Supply circuit (Terminals + and 1)
Supply voltage £ 35 V DC
Signal current: 4-20mA
Open Collector (Terminals 2 and 3)
Supply voltage £ 35 V DC, max. 100mA

Terminal 2 and 3
Open Collector

Volume (mm³)

CSA certified apparatus must be installed in accordance with manufacturer’s instructions.
Installation must be in accordance with Canadian Electrical Code (CEC) Section 18.
Use supply wires suitable for 5°C above surroundings.
A dust tight seal must be used for conduit entry when the field display is used in a Class II or Class IIIlocation.
- The device for Class I, Zone 2, Ex nA IIC is suitable for installation in Class I, Division 2, Groups A, B, C, D
per CEC Section 18-000 Subrule (5).
- Warning:
Substitution of components may impair suitability for Class I, Division 2.
- Warning:
Do not disconnect equipment unless power has been switched off or the area is known to benon hazardous.

AA
Loop power supply

see also installation notes
for using power supply

T4T5
T6Installation Notes RIA 141-+-e.g. Process Transmitter

5EX4321

Nonhazardous Locations

Hazardous (Classified) Location
Class I / Zone 2 / Ex nA IIC
Class II, III/Division 1/ Groups EFG

SeriesObjekt version

Sheet

Endress + Hause r
WetzerNesselwang / Germany

2 of 2 GmbH+Co. KG

54321