Chapter 25, General information, Module installation – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 115: Outputs, Wiring to a 1797-tb3 or -tb3s terminal base unit, Chapter, Connect wiring to the terminal base as shown below
1
Publication 1797-6.5.6 - June 2005
Chapter
25
1797-OB4D FLEX Ex 24V dc Non-Isolated
Source 4 Output 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 7 as required for
this type of module. Do not change the position of the keyswitch after
wiring the terminal base unit.
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