Chapter 43, Outputs, Wiring to a 1797-tb3 or -tb3s terminal base unit – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual

Page 195: Chapter, Connect wiring to the terminal base as shown below

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Publication 1797-6.5.6 - June 2005

Chapter

43

1797-OB4D FLEX Ex 24V dc Non-Isolated
Source 4 Output Module

Outputs

Each output can operate a discrete field device. Do not apply any
non-intrinsically safe signals to this module.

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.

40068

Row A

Row B

Row C

+

+

+

+

-

-

-

-

ch0

ch1

ch2

ch3

+V

+V

-V

-V

No connections allowed to terminals 2, 3, 6, 7, 10, 11, 14, 15, 17 to 32, 36, 37,
38, 39, 46, 47, 48, 49

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

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

ATTENTION

Do not use any unused terminals on this terminal base unit.
Using these terminals as supporting terminals can result in
damage to the module and/or unintended operation of
your system.

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