Instruction Manual

Publication 1753-UM001C-EN-P - March 2010 75
Wire 1753-IB16, 1753-OB16, and 1753-IB20XOB8 Modules Chapter 6
Wire the 1753-IB20XOB8
Combination Module
The remote I/O module features 20 digital inputs and 8 digital outputs
whose status is indicate via status indicators.
Safety-related Digital Inputs
The digital inputs are connected to these terminals.
Terminal Number Designation Function
13 LS+ Sensor supply for inputs 1…4
14 1 Digital input 1
15 2 Digital input 2
16 3 Digital input 3
17 4 Digital input 4
18 L- Reference pole
19 LS+ Sensor supply for inputs 5…8
20 5 Digital input 5
21 6 Digital input 6
22 7 Digital input 7
23 8 Digital input 8
24 L- Reference pole
25 LS+ Sensor supply for inputs 9…12
26 9 Digital input 9
27 10 Digital input 10
28 11 Digital input 11
29 12 Digital input 12
30 L- Reference pole
31 LS+ Sensor supply for inputs 13…16
32 13 Digital input 13
33 14 Digital input 14
34 15 Digital input 15
35 16 Digital input 16
36 L- Reference pole
37 LS+ Sensor supply for inputs 17…20
38 17 Digital input 17
39 18 Digital input 18
40 19 Digital input 19
41 20 Digital input 20
42 L- Reference pole
1LS+ LS+ LS+ LS+ LS+L-
DI
234
13 14 15 16 17 18
5L-
DI
678
19 20 21 22 23 24
9L-
DI
10 11 12
25 26 27 28 29 30
13 L-
DI
14 15 16
31 32 33 34 35 36
17 L-
DI
18 19 20
37 38 39 40 41 42
19 20 21 22 23 2413 14 15 16 17 18 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42