GE Fanuc IC693CPU331LT-EE CPU Module

Technical SpecificationsModel：IC693CPU331LT-EE Brand：GE Fanuc Product Type: Single-slot plug-in low-temperature CPU module for Series90-30 PLC rack

Module Feature:Processor:10MHz embedded processor Memory:16KB user program memory,10KB register memory,battery backed RAM for data retention Max I/O capacity:2048 mixed discrete I/O points; support Genius remote I/O racks Port:1 × RS485 serial port for Genius bus and SNP programming communication Communication protocols:SNP, SNPX, Genius I/O bus Programming software:Proficy Machine Edition, Logicmaster 90-30 Programming languages:Ladder Diagram, Instruction List 3-position mode switch:RUN / STOP / Memory Protect LED indicators:OK, RUN, Fault status indicators Real-time clock with battery backup for event timestamp Hardware self-diagnosis:memory check, backplane bus monitoring, I/O fault detection LT = Low Temperature variant for cold industrial site operation Support local rack I/O and Genius distributed remote I/O system

Electrical ParametersBackplane supply:+5VDC, power consumption 0.55A Backplane bus:Series90-30 proprietary backplane bus

Mechanical & Structure:Mounting:Plug-in installation into Series90-30 rack slot Protection class:IP20 Weight:0.62kg

Environmental:Operating temperature:-40℃ ~ +60℃ Ambient humidity:5~95% non-condensing Certification:UL, CE Status:Manufacturer discontinued legacy spare part

System compatibilityIC693CPU331LT-EE belongs to GE Fanuc Series90-30 PLC family. Compatible with Series90-30 backplane, power supply, analog/discrete I/O modules and Genius bus adapters. Widely used for outdoor pipeline, cold storage, mining and low-temperature factory automation control.

FunctionIC693CPU331LT-EE is low-temperature version main processor manufactured by GE Fanuc for Series90-30 PLC. It executes ladder logic program, collects digital and analog field signals. RS485 interface supports Genius remote I/O network and SNP programming. Low temperature hardware design allows stable operation in cold field sites. Battery-backed memory retains user program and process variables after power loss. Front panel LEDs help technicians quickly judge running status and hardware faults.

InstallationFollow lockout/tagout safety procedure before installation. Fully cut off Series90-30 rack power. Insert IC693CPU331LT-EE module into vacant rack slot and lock retention latch. Connect Genius bus or programming serial cable. Download PLC project, power on and verify I/O mapping and Genius bus communication.

InterfaceSeries90-30 backplane gold-edge connector,RS485 Genius / SNP serial port,mode selector switch,on-board status LED indicators for GE Fanuc IC693CPU331LT-EE.

DiagnosticCPU cannot enter RUN mode:Check rack +5V power supply,module seating and memory protect switch position. Genius remote I/O offline:Verify bus wiring,termination resistor and remote station address. Fault LED active:Troubleshoot battery depletion,program corruption or backplane bus fault.

Product BriefIC693CPU331LT-EE is GE Fanuc legacy Series90-30 low-temperature CPU module with Genius bus interface,suitable for automation control under cold harsh environment,discontinued PLC processor spare.