Rockwell-automation 1797-IE8NF FLEX Ex 8 Input Analog, HART and Noise Instrukcja Użytkownika Pobierz pdf (Strona 45)

FLEX Ex 8 Input Analog, HART, and Noise Filter Analog Modules 45

Publication

1797-5.5 - September 2011

Table 2

 The entity concept allows interconnection of intrinsically safe apparatus

with associated apparatus not specifically examined in combination as a

system when the approved values of V

and I

or V

and I

of the associated

apparatus are less than or equal to V

max

and I

max

of the intrinsically safe

IMPORTANT

A terminal base may or may not have an I/O module installed.

Terminals V

(V) I

(mA) Groups C

(μF) L

(μH)

Male Bus Connector 5.8 400 A…G 3.0 3.0

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

< 5.8V; I

< 400 mA.

To any intrinsically safe

device or associated

apparatus with Entity

Concept  parameters of

< 9.5V; I

< 1 A.

To any IS device with Entity

Concept  parameters of

max

, I

max

, C

, L

) appropriate

for connection to associated

apparatus with Entity Concept

parameters listed in Table 2.

1797-IE8

1797-IE8NF

Shield Connection Only

max

=5.8V

max

=400 mA

=1350 nF

=negligible

max

=9.5V

max

=1 A

=negligible

Male Bus

Connector



0 (+)

Female Bus

Connector

Any Simple Apparatus  or I.S.

device with Entity Concept

parameters  (V

max

, I

max

, C

, L

)

appropriate for connection to

associated apparatus with Entity

Concept parameters listed in Table 1.

1 (sig)

ch0

ch1

ch2

ch3

ch4

ch5

ch6

ch7

2 (-)

4 (+)

5 (sig)

6 (-)

8 (+)

9 (sig)

10 (-)

12 (+)

13 (sig)

14 (-)

17 (+)

18 (sig)

19 (-)

21 (+)

22 (sig)

23 (-)

25 (+)

26 (sig)

27 (-)

29 (+)

30 (sig)

31 (-)

42056

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