Cpu Modules For Versamax Plcs; Basic Cpu Features - GE VersaMax Manual

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CPU Modules for VersaMax PLCs

A VersaMax PLC consists of a group of VersaMax modules with a VersaMax CPU and
attached power supply in the first position.
VersaMax PLC CPU
power supply
All VersaMax CPUs provide powerful PLC functionality. They are designed to serve as
the system controller for up to 64 modules with up to 2048 I/O points. Two serial ports
provide RS-232 and RS-485 interfaces for SNP slave and RTU slave communications.
VersaMax CPUs are described in the VersaMax PLC User's Manual (GFK-1503). GFK-
1503 also provides programming information for the VersaMax PLC.

Basic CPU Features

Programming in Ladder Diagram, Sequential Function Chart, and Instruction List
Floating point (real) data functions
Non-volatile flash memory for program storage
Battery backup features for program, data, and time of day clock
Super capacitor provides power to memory for 1 hour
Over 1 hour, backup battery protects memory contents up to 6 months.
Backup battery has shelf life of 5 years when not in use.
Run/Stop switch
Embedded RS-232 and RS-485 communications
1-4 VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003
VersaMax Modules
GFK-1504K