Configuring an M1 CPU with Modsoft
870 USE 101 10 V.2 225
Reserving and Monitoring a Battery Coil, Continued
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.
lA coil state of 0 indicates that the battery is healthy.
lA coil state of 1 indicates that the battery should be changed.