Rockwell Automation 1794 FLEX I/O System with ControlLogix for SIL2 - Manual (Page 38)

Publication 1794-RM001G-EN-P - December 2011
3-16 FLEX I/O Modules
Wiring FLEX I/O Analog
Output Modules In general, good design practice dictates that each analog output must be wired
to a separate input terminal to make sure that the output is functioning
properly.
Wiring the Analog Output Module in Voltage Mode
Users must wire analog outputs to an actuator and then back to an analog
input to monitor the output performance.
+
_
V RET
+
_
V RET
1794-TB3
1794-IF4I
Analog Output
Module
1794-TB3
1794-IE8
Analog Input
Module
Isolated Analog
Output Module
Isolated Analog
Input Module
1794-OF4I
1794-TB3 1794-TB3
Actuator
Actuator
1794-OE4