Batteries In Power Supplies On Expansion Or Remote Racks - GE 90-30 PLC Series Installation And Hardware Manual

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Batteries in Power Supplies on Expansion or Remote Racks

Batteries in power supplies on Expansion or Remote racks, are not in use. Only the battery in a
CPU rack supplies backup power to RAM memory. Batteries in non-CPU racks may be removed
and used as spares, if they meet the age requirements stated previously in this chapter.
GFK-0356Q Chapter 6 Memory Backup/Battery Backup 6-11