1756-ia8d, 1756-ia16, 1756-ia8d 1756-ia16 – Rockwell Automation 1756-XXXX ControlLogix Digital I/O Modules User Manual
Page 139: Controllogix ac (79 v) diagnostic input module, Controllogix ac (74 v) input module, Controllogix backplane interface
Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
139
Wiring Diagrams
Chapter 8
1756-IA8D
ControlLogix AC (79...132V) diagnostic input module
1756-IA16
ControlLogix AC (74...132V) input module
+5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
47 k
Ω, 1/2 W,
5% Resistor
47 k
Ω, 1/2 W
5% Resistor
Not Used
L2-0
L2-0
L2-0
L2-0
L2-1
L2-1
L2-1
L2-1
L2-1
L1-0 Loss of Field Power
IN-0
IN-1
IN-2
IN-3
IN-4
IN-5
IN-6
IN-7
L1-1 Loss of Field Power
Daisy Chain to
Other RTBs
Group
0
Group 0
Group
1
Group 1
L2
L1
1756-IA8D
ControlLogix Backplane
Interface
ControlLogix Backplane
Interface
Display
Simplified Schematic
Input
Display
Open Wire
GND
GND
+5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
L2
L1
Daisy
Chain to
Other
RTBs
1756-IA16
Group 0
Group 0
Group 1
Group 1
IN-1
IN-3
IN-5
IN-7
L2-0
IN-9
IN-11
IN-13
IN-15
L2-1
IN-0
IN-2
IN-4
IN-6
L2-0
IN-8
IN-10
IN-12
IN-14
L2-1
Simplified Schematic
ControlLogix
Backplane
Interface
Display
+5V
L2-0
IN-O
GND