Fm i/o entity parameters – Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD/mV Input Module User Manual User Manual

Page 71

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Publication 1797-6.5.2 - February 2001

Specifications A-5

FM I/O Entity Parameters

f this product has the FM mark, it has been designed, evaluated, tested
and certified to meet the following standards:

FM C1. No 3600:1998, Electrical Equipment for Use in Hazardous
(Classified) Locations General Requirements

FM C1. No 3610:1999, Intrinsically Safe Apparatus and Associated
Apparatus for Use in Class I, II, III Division 1 Hazardous
(Classified) Locations

FM C1. No 3615:1989, Explosionproof Electrical Equipment General
Requirements

FM C1. No 3810:1989, 1995, Electrical and Electronic Test,
Measuring and Process Control Equipment

ANSI/NEMA 250, 1991, Enclosures for Electrical Equipment

IMPORTANT

For detailed certification information, refer to the
FLEX Ex System Certification Reference Manual,
publication 1797-6.5.6

Hazardous (Classified) Location
Class I, Zones 0, 1, & 2 Groups IIC, IIB, IIA
Class I, Div. 1 & 2 Groups A, B, C, D
Class II, Div. 1 & 2 Groups E, F, G
Class III, Div. 1 & 2

Hazardous (Classified) Location
Class I, Zones 1 & 2 Groups IIC, IIB, IIA
Class I, Div. 1 & 2 Groups A, B, C, D

To any intrinsically safe
device or associated
apparatus with Entity
Concept

€ parameters of V

oc

< 5.8V; I

sc

< 400mA.

To any intrinsically safe
device or associated
apparatus with Entity
Concept

€ parameters of

V

oc

< 9.5V; I

sc

< 1A.

To any IS device with Entity
Concept

€ parameters of

(V

max

, I

max

, C

i

, L

i

) appropriate for

connection to associated
apparatus with Entity
Concept parameters listed in
Table 2.

ch0

ch1

ch2

ch3

ch4

ch5

ch6

ch7

29(+)
30(H)

1797-IRT8

16

Shield Connection Only

50

51

35

34

Female Bus Connector
V

max

=5.8V

I

max

=400mA

C

i

=1350nF

L

i

=negligible

V

max

=9.5V

I

max

=1A

C

i

=negligible

L

i

=negligible

Male Bus
Connector

ч

ъ

ц

м

м

м

м

33
40
41

42

43
44
45

31(L)
32(-)

25(+)
26(H)
27(L)
28(-)

21(+)
22(H)
23(L)
24(-)

17(+)
18(H)
19(L)
20(-)

12(+)
13(H)
14(L)
15(-)

8(+)
9(H)
10(L)
11(-)

4(+)
5(H)
6(L)
7(-)

0(+)
1(H)
2(L)
3(-)

37 38 39

46 47 48

CJC1

CJC2

Any Simple Apparatus

ó or I.S. device with

Entity Concept parameters

€ (V

max

, I

max

, C

i

, L

i

)

appropriate for connection to associated
apparatus with Entity Concept parameters
listed in Table 1.

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