Chapter 6, General information, Module installation – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 51: 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
6
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.
When using an intrinsically safe electrical apparatus according to EN50020,
the European 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.
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