Chapter 44, 1797-ie8 flex ex 8 input analog module, Inputs – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 199: 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
44
1797-IE8 FLEX Ex 8 Input Analog Module
Inputs
Each input can be operated from an analog field device signal. Do not apply
any non-intrinsically safe signals to this module.
The channels in this module are electrically connected to each other and have a
common plus-line.
Wiring to a 1797-TB3 or
-TB3S Terminal Base Unit
Connect wiring to the terminal base as shown below.
IMPORTANT
When interconnecting several lines, you must consider the
total accumulated power and check for intrinsic safety.
Row A
Row B
Row C
+
-
+
-
+
-
+
-
Ch 7
Ch 6
Ch 5
Ch 4
+V -V
+V -V
40071
sig
sig
sig
sig
No connection
allowed
No connection
allowed
Ch 7
+
-
+
-
+
-
+
-
Ch 2
Ch 1
Ch 0
sig
sig
sig
sig
Ch 3
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.