Rockwell Automation AADvance Controller Troubleshooting and Maintenance Manual - Manual (Page 63)

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Document: 553634
(ICSTT-RM406F_EN_P) Issue: 089:
5-3
4) Double-click on the Name field.
5) Select the tagname for the state variable from the drop down list.

The State variable is added to the Spy list.

The value of the State variable ('2' in this example) will update in real time to
reflect the state of the I/O channel.
Note: If the Spy List is empty, double-click on the ellipsis (...) to create the entry.
Start Troubleshooting Channel/Field Faults
An investigation into a channel/field fault begins with a channel indication on an I/O module showing
amber. Do the following:
 For digital input modules use chart 'A'.
 For analogue input modules use chart 'B'.
 For output modules use chart 'C'.
Diagnose a Digital Input Channel
Use this circuit diagram in conjunction with chart 'A'.