MODICON D984-385 (984 385D) PLC CPU Controller

Technical SpecificationsModel:D984-385 (984 385D) Brand:MODICON Product Type:984 385D Series Modular PLC CPU Controller Power Supply:105~150V DC,18.75W Max Mounting:Backplane rack mount Operating temperature:0℃ ~ +45℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:3.1kg Dimension:285mm150mm88mm Protection:IP20

System compatibilityD984-385 (984 385D) belongs to MODICON 984 series mid-range modular PLC controller. Compatible with MODICON 800 series backplane, digital/analog I/O modules and RIO remote I/O adapters. It supports Modbus and Modbus Plus communication, can connect with HMI, remote I/O stations and host monitoring system. Suitable for chemical, metallurgy, old production line process control system renovation and replacement as industrial spare part.

FunctionD984-385 (984 385D) is modular programmable logic controller CPU unit. It executes ladder logic program, processes digital and analog input signals and outputs control commands to field actuators. It supports built-in real-time clock, program memory retention, fault self-diagnosis, Modbus and Modbus Plus network data exchange. Widely applied in continuous industrial process control, serving as reliable core control spare part.

InstallationCut off rack power before installation. Insert the D984-385 (984 385D) CPU unit into MODICON backplane slot and lock the module. Connect power wiring and network communication cables. Download control program via programming software and complete online test before formal operation.

InterfaceModbus programming port, Modbus Plus network port, backplane bus connector, status LED indicators for D984-385 (984 385D) MODICON PLC controller.

FeatureMODICON D984-385 984 385D rack type CPU controller,dual network interface for Modbus and Modbus Plus,real-time clock function,expandable I/O capacity,stable continuous operation,IP20 cabinet protection. This discontinued legacy industrial spare part used for old MODICON 984 automation system maintenance and replacement.

DiagnosticController no power: check DC input power, fuse and backplane connection for D984-385 (984 385D). CPU run fault: check program error, memory backup battery and module insertion status. Modbus Plus communication loss: inspect network cable, terminating resistor and node address. I/O data abnormal: verify backplane bus contact and field I/O module wiring. Fault alarm: read diagnostic codes through Modsoft programming software.

Product BriefD984-385 (984 385D) is MODICON 984 series mid-range modular PLC CPU controller. Equipped with Modbus and Modbus Plus dual communication interfaces, widely used for legacy factory process automation, classic spare part for old industrial control equipment 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.