Rockwell Automation Publication 1756-UM058G-EN-P - November 2012 61
Common Module Features Chapter 3
Diagnostic Latch of Information
The diagnostic latch feature is available for the 1756-OA8E modules only.
Diagnostic latching allows this module to latch a fault in the set position once it
has been triggered, even if the error condition causing the fault to occur
disappears.
Follow these steps to enable diagnostic latch of information.
1. On the Module Properties dialog box, click the Configuration tab.
2. Do one of the following in Enable Diag. Latching column:
• To enable diagnostic latching for a specific point, check the
corresponding checkbox.
• To disable diagnostic latching for a specific point, clear the
corresponding checkbox.
3. Click OK.
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