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Nonhazardous Locations

Hazardous (Classified) Locations
I,II,II/1+2/ABCDEFG
I, Zone 0 IIC

Installation Notes RIA452

RIA452ASSOCIATED INTRINSICALLY SAFE

I, II, III/1,2/ABCDEFG Cl. I, Zone 0 [AEx ia] IIC- Installation should be in accordance with ANSI/ISA RP 12.06.01 “Installation of Intrinsically safe
systems for Hazardous (classified) locations” and the National Electrical Code (ANSI/NFPA 70).
- For entity installations use certified equipment that satisfy the following condition
Uo/Voc £ Vmax/Ui
Io/Isc £ Imax/IiPo £ Pi
Co/Ca ³ Ci + Ccable Lo/ La ³ Li + Lcable- The terminals of the intrinsically safe circuit must be placed at least a distance of 50 mm from terminals of thenon-intrinsically safe circuits, or adequate separators (e.g. ground metal partitions) must be used.

e.g. sensor

Zone 0, 1, 2B- 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 AssociatedApparatus not specifically examined in combination as a system using any of the wiring methods permitted for
unclassified locations, when Uo/Voc £ Vmax/Ui
Co/Ca ³ Ci + Ccable
Lo/La ³ Li + Lcable.

Ta = -20°C ... +60°C

Power supply
Terminal L/L+ N/L-Um = 90...250 VAC 50/60 Hz
Um = 20...28 VAC 50/60 Hz, 20...36 VDCTransmitter supply
Terminal 91, 92

U £ 24 VDC
I £ 250 mA

Current output
Terminal 31, 32

0/4…20 mA, 0…10 V DC

RelaysTerminals 41,42,43
51,52,53
Terminals 141,142,143(as option) 151,152,153

250 VAC, 3A
30 VDC, 3A

24 V, 200 mADigital inputs
Terminal 96, 97, 197, 297, 397

Umax = 24.5 V

± 15%

AIS
ANI

I, II, III/1,2/ABCDEFG
I, II, III/2/ABCDEFG

Cl. I, Zone 0 [AEx ia] IIC

Current input active
Terminal 81, 82

Uo or Voc or Vt £ 27.6 V
Po = 612 mW
Ci » negligible small
Co or Ca = 86 nF
Co or Ca = 86 nF

Io or Isc £ 88.6 mA

Uo or Voc or Vt £ 27.6 V
Po = 7 mW
Ci » negligible small
Co or Ca = 86 nF
Co or Ca = 86 nF

Io or Isc £ 0.9 mAGroup A, B resp. IICGroup C, D resp. IIB, IIA
Current input passive
Terminal 11,12Group A, B resp. IIC
Group C, D resp. IIB, IIA

CCTemperature range

Digital output
Terminal 33, 34

I, II, III/2/ABCDEFG

B

ASSOCIATED NONINCENDIVE

44,45,46
54,55,56
144,145,146
154,155,156

A

A- FM Approved apparatus must be installed in accordance with manufacturer’s instructions.
- The device is an Associated Intrinsically Safe Apparatus / Associated Nonincendive Apparatus /Associated Nonincendive Field Wiring Apparatus, which must be installed only in non-hazardous locations.
- Install per National Electrical Code using wiring methods described in article 500 through article 510.
- Use supply wires suitable for 5°C above surrounding.
- Degree of protection must be at least IP20, NEMA 1, Type 1.

Li » negligible small
Lo or La = 1.6 mH
Lo or La = 1.6 mH

Li » negligible small
Lo or La = 100 mH
Lo or La = 100 mH

RS 232 and CDI interface for device configuration

MerothVolume (mm³)

Designed

MerothRefer to protection notice
ISO 16016

Date (yyyy-mm-dd)

Drawing No.

Date (yyyy-mm-dd)

Dwg.rev.

02 14 00 111

2004-11-03
Unit

RIA452

2004-11-03

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

Part No.

-

ScaleTitle

1:1Format-

Revision no.

-

A4

Revision date (yyyy-mm-dd)

Name

Material--

XA02334R/09/EN/01.20

CONTROL DRAWING FM
IS, NID

D

Approved

71540244

SeriesObjekt version

Sheet

Endress + Hause r
WetzerNesselwang / Germany

1 of 1 GmbH+Co. KG

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