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IC697MEM715 GE Series 90-70 Memory Expansion Module
GE IC697MEM715 memory expansion module for Series 90-70 PLCs adds 512KB CMOS memory with battery backup. Order now to expand control capacity.
IC697MEM717 GE Series 90-70 Memory Expansion Module
IC697MEM717 GE Series 90-70 Memory Expansion Module, 512 Kb CMOS RAM, +5/+12 VDC, compatible with IC697CPU771/772, Series 90-70 PLC.