Digital input terminals – Rockwell Automation 1753-IB16 GuardPLC Digital Input Module Installation Instructions User Manual
Page 8
8 GuardPLC Digital Input Module
Rockwell Automation Publication 1753-IN004C-EN-P - June 2010
Digital Input Terminals
Terminals accommodate wires up to 1.5 mm
2
(16 AWG). See the terminal torque specifications
. Digital inputs (DI) are connected to the following terminals.
LS+, not L+, should be used for short-circuit protection. Each LS+ features individual
short-circuit and EMC protection that make it important to use LS+ for only its four related
inputs.
Terminal Number
Designation
Function
1
LS+
Sensor supply for inputs 1…4
2
1
Digital input 1
3
2
Digital input 2
4
3
Digital input 3
5
4
Digital input 4
6
L-
Reference pole
7
LS+
Sensor supply for inputs 5…8
8
5
Digital input 5
9
6
Digital input 6
10
7
Digital input 7
11
8
Digital input 8
12
L-
Reference pole
13
LS+
Sensor supply for inputs 9…12
14
9
Digital input 9
15
10
Digital input 10
16
11
Digital input 11
17
12
Digital input 12
18
L-
Reference pole
19
LS+
Sensor supply for inputs 13…16
20
13
Digital input13
21
14
Digital input 14
22
15
Digital input 15
23
16
Digital input 16
24
L-
Reference pole
1
LS+-
LS+
LS+
LS+
L-
DI
2 3 4
1 2 3 4 5 6
5
L-
DI
6 7 8
7 8 9 10 11 12
9
L-
DI
10 11 12
13 14 15 16 17 18
13
L-
DI
14 15 16
19 20 21 22 23 24
1 2 3 4 5 6
7 8 9 10 11 12
13 14 15 16 17 18
19 20 21 22 23 24