76 Rockwell Automation Publication 5000-UM005B-EN-P - November 2015
Chapter 5 Current/Voltage Analog Output Module Features (5069-OF4, 5069-OF8)
Connection Fault Handling
You can configure 5069 Compact I/O analog output module behavior when a
connection fault occurs, that is, the connection between the owner-controller
and the output module breaks.
You must define the following:
•
Output Behavior Immediately After a Connection Fault
•
Fault State Duration After Connection Fault
•
Final Fault State Value
Output Behavior Immediately After a Connection Fault
When the connection between an owner-controller and output module breaks,
the output can behave in the following ways. The available options Fault Mode
parameter is configured:
• Transition to a specific, user-defined value.
• Hold its last state.
If you configure the output to hold its last state, the output remains at that
state value until the following occurs:
– The connection to the owner-controller is re-established.
– The output returns to normal operation, as defined in the module
configuration.
Fault State Duration After Connection Fault
If you configure the output to transition to a specific value after the connection
breaks, you must define how long the output remains at the specified value before
it transitions to a Final Fault State.
You can configure the output to remain at the specific value for the
following times:
• Forever
• One second
• Two seconds
• Five seconds
• Ten seconds
After the Fault State Duration time expires, the output transitions to user-
defined Final Fault State Value.
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