VMIVME-4905 Digital to Synchro/Resolver Output boards revision N or earlier may exhibit erratic and unpredictable behavior when operated with a controller that uses pipelined addressing on the VMEbus.
Here is a summary of PAL firmware updates that were done to correct several issues including correct handling of address pipelining on the VMEbus.
- U18 303-000190-000
- U19 303-000442-000 checksum=4B5F
- U21 303-000189-001
Check your boards to determine if the above parts have labels matching the above. Boards with earlier versions of firmware should be returned to GE-Fanuc for updates.