
Configuring an M1 CPU with Concept
870USE10110 July 2004 275
Monitoring the
Battery Coil
Monitor the battery coil in ladder logic or tie it to a lamp or alarm that will indicate
when the battery is low.
Interpreting the
Battery Coil
The battery coil will always read either 0 or 1.
A coil state of 0 indicates that the battery is healthy.
A coil state of 1 indicates that the battery should be changed.
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