Rockwell Automation 1756-OF8H ControlLogix HART Analog I/O Modules User Manual

Page 147

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Rockwell Automation Publication 1756-UM533C-EN-P - February 2011

147

Unlatch Alarms and Reconfigure Modules By Using Ladder Logic Chapter 10

2.

Add a message instruction to a rung by clicking the MSG button

on

the toolbar above the ladder project.

3.

Create a tag for the message instruction that you are adding.
a. Right-click the question mark (?).
b. Choose New Tag.

The New Tag dialog box appears.

4.

On the New Tag dialog box, complete these procedures:
a. Name the tag.
b. Click Base for tag type.
c. Click Message data type.
d. Click Controller scope, noting that to create message tags you must use

Controller scope.

5.

Click OK.

IMPORTANT

We suggest you name the tag to indicate what module service is
sent by the message instruction. In the example, the message
instruction is used to unlatch a high alarm, and the tag name
reflects this.

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