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GFK-0825F Chapter 4 Operation 4-17
4
Backing Up Micro Field Processor Outputs
The network can back up outputs normally controlled by the Micro Field Processor if the MFP fails
or goes into Stop Faulted mode.
To create this backup capability for one or more output modules, do the following:
1. Configure the module outputs to lie within
both
the BIU's Network Map and the MFP's I/O
map.
For example:
46738
Bus Interface Unit Outputs
Q00001 - Q00128
Micro Field Processor Outputs
Q00001 - Q00128
Module Outputs
Q00001 - Q00016
Q00001-Q00016
Q00017-Q00128
Q00001-Q00016
Output References
Network
Map
Q00017-Q00128
2. Configure Hold Last State (not Default) for the MFP output table.