Field-side circuit diagrams – Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual

Page 156

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156

Publication 1756-UM009C-EN-P - December 2010

Chapter 7 Non-isolated Analog Output Modules (1756-OF4 and 1756-OF8)

Field-side Circuit Diagrams

The diagrams show field-side circuitry for the 1756-OF4
and 1756-OF8 modules.

1756-OF4 and 1756-OF8 Output Circuit

43511

RTN

+ 20V

10 k

Ω

I out - X

D/A
converter

Current
Amplifier

0.047

μ

F

Multi-
plexer

RTN

RTN

RTN

10 k

Ω

Open Wire
Detector

All returns (RTN)
are tied together
on the module.

V out - X

0.047

μ

F

11 k

Ω

Voltage
Output

Current
Output

50

Ω