Chapter 10, 1797-oe8 flex ex 8 output analog module, General information – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual

Page 65: Module installation, Outputs, Wiring to a 1797-tb3 or -tb3s terminal base unit, Chapter, Connect wiring to the terminal base as shown below

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Publication 1797-6.5.6 - June 2005

Chapter

10

1797-OE8 FLEX Ex 8 Output Analog Module

General Information

Modules must be used with a 1797-TB3 or -TB3S intrinsically safe terminal
base unit.

Module Installation

Rotate keyswitch on terminal base unit clockwise to position 4 as required for
this type of module. Do not change the position of the keyswitch after
wiring the terminal base unit.

Outputs

Each output channel can operate an analog field device. Do not apply any
non-intrinsically safe signals to this module.

When using an intrinsically safe electrical apparatus according to EN50020,
the European Community directives and regulations must be followed.

The channels in this module are electrically connected to each other.

Wiring to a 1797-TB3 or
-TB3S Terminal Base Unit

Connect wiring to the terminal base as shown below.

41440

Row A

Row B

Row C

ch0

ch1

ch2

ch3

+V

+V

-V

-V

+

+

+

+

-

-

-

-

ch4

ch5

ch6

ch7

+

-

+

-

+

-

+

-

No connections allowed to terminals 2, 3, 6, 7, 10, 11, 14, 15, 19, 20, 23,
24, 27, 28, 31, 32, 36, 37, 38, 39, 46, 47, 48, 49

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

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30

31

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