Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 105)

Publication 1756-UM009C-EN-P - December 2010 105
Sourcing Current Loop Input Module (1756-IF6CIS) and Isolated Analog Voltage/Current Input Module (1756-IF6I) Chapter 5
Field-side Circuit Diagrams
The diagrams show field-side circuitry for the 1756-IF6CIS and
1756-IF6I modules.
1756-IF6CIS Input Circuit
1756-IF6I Input Circuit
43514
RTN-x
+ 15V
0.1
μ
F
VOUT-x
A/D Converter
10 K
50
Ω
Vref
10 K
IN-x/I
- 15V
100
Ω
115
Ω
1/4 Watt
Current
Limiter
43507
RET-x
7.5 K
2.15 K
+ 15V
249
Ω
1/4 Watt
0.01
μ
F
IN-x/V
A/D Converter
0.01
μ
F
30 M
Ω
20 K 20 K
0-20 mA
Current
Mode
Jumper
Vref
1.6 K
0.01
μ
F
IN-x/I