Modicom BM85 Memory after Power Loss

Soundwave1974

Member
S
Join Date
Mar 2024
Location
Newfoundland
Posts
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Hi folks ! Got an older Modicom BM85 and I suspect that it's not passing data to ModBus+ network. We had a power loss for a few days and I suspect it may of lost it's programming. The memory may be EEPROM with CMOS battery for memory retention, but it's been in service since 1995. Any idea of how long these will retain it's config ? Tx
 

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