MODICON PC-E984-785 CPU Controller

Technical SpecificationsModel:PC-E984-785 Brand:MODICON Product Type:984 Series High Performance PLC CPU Controller User Logic Memory:32K / 48K optional Data Memory:32K / 64K optional Scan Time:1ms per k logic Max Discrete I/O:16384 points Max Register I/O:1088 registers Communication Ports:2×Modbus RS232,1×Modbus Plus Backplane Power:5V DC supplied by rack backplane Mounting:Backplane rack slot mount Operating temperature:0℃ ~ +45℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:2.27kg Dimension:260mm140mm30mm Protection:IP20

System compatibilityPC-E984-785 belongs to MODICON 984 series high performance CPU controller. Compatible with MODICON 984 backplane,800 series I/O modules,S908 remote I/O processor and Modbus Plus communication adapters. It can cooperate with HMI and motion control modules to build complete automation control system. Suitable for chemical,water treatment,metallurgy,power plant,packaging machinery large-scale process control renovation and replacement as industrial spare part.

FunctionPC-E984-785 PLC CPU controller. It executes user logic program,collects digital and analog signal from I/O modules,calculates control logic and outputs control commands to field equipment. It supports Modbus and Modbus Plus fieldbus communication,real-time data exchange with HMI,upper computer and other PLC stations. It has built-in program storage,fault diagnosis and power-off data retention function. Widely used for complex industrial process logic control and centralized equipment management, serving as reliable PLC CPU spare part.

InstallationCut off rack power before installation. Insert PC-E984-785 CPU module into MODICON backplane slot and lock the card. Check gold finger contact condition. Connect Modbus and Modbus Plus communication cables. Download user program,configure network parameters and I/O mapping,complete online operation test before formal operation.

InterfaceBackplane bus connector,Modbus serial port,Modbus Plus bus port,run/fault/memory status LED indicators for PC-E984-785 MODICON PLC CPU controller.

FeatureMODICON PC-E984-785 984 high performance CPU,large logic and data memory,fast program scan speed,multi communication ports,support remote I/O expansion,real-time LED status indication,standard single slot rack design,anti-interference design for industrial workshop environment. This discontinued legacy industrial spare part used for old MODICON 984 PLC system main control maintenance and replacement.

DiagnosticModule not recognized: check rack power supply,backplane contact and module insertion for PC-E984-785. PLC fault alarm: check program error,memory failure and I/O short circuit. Communication abnormal: check Modbus / Modbus Plus cable,termination resistor,shielding grounding and station address. Program loss: inspect battery status and battery replacement. Intermittent system crash: check backplane power stability and circuit aging.

Product BriefPC-E984-785 is MODICON 984 series high performance PLC CPU controller. It runs automation control logic,collects field signals and communicates via Modbus Plus,classic spare part for legacy MODICON large industrial automation control system overhaul.

Disclaimer: All parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.