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Wiring the analog output module in current mode – Rockwell Automation 1794 FLEX I/O System with ControlLogix for SIL2 User Manual

Page 39

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Publication 1794-RM001G-EN-P - December 2011

FLEX I/O Modules 3-17

Wiring the Analog Output Module in Current Mode

In addition to following the General Considerations when using Any FLEX
I/O Analog Output Module
on page 3-13, consider the following application
guideline before wiring the module in current mode:

Placement of Other Devices in Current Loop: you can locate other
devices in an output channel’s current loop anywhere as long as the
current source can provide sufficient voltage to accommodate all of the
voltage drops.

+ _

+ _

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