MODICON BM85S232 Serial Communication Module

Technical SpecificationsModel:BM85S232 Brand:MODICON Product Type:984 Series RS232 Serial Communication Module Interface:RS232 serial port Backplane Bus:Modicon 984 backplane Mounting:Backplane rack slot mount Operating temperature:0℃ ~ +60℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:0.85kg Dimension:260mm140mm30mm Protection:IP20

System compatibilityBM85S232 belongs to MODICON 984 series RS232 communication module. Compatible with MODICON 984 CPU and matching backplane. It can connect operator panels,printers and other RS232 serial devices. Suitable for chemical plant,water treatment,packaging machinery,conveyor line old PLC cabinet renovation and replacement as industrial spare part.

FunctionBM85S232 RS232 serial communication module. It serves as RS232 communication interface for MODICON 984 PLC,realizing data exchange between PLC and external serial equipment. It handles serial data receiving,transmitting and protocol conversion. Built-in hardware self-diagnosis and communication status monitoring. Widely used for connecting legacy serial peripherals for MODICON 984 automation system, serving as reliable communication spare part.

InstallationCut off rack power before installation. Insert BM85S232 module into MODICON backplane slot and lock the card. Check gold finger contact condition. Connect RS232 shielded cable to serial port. Configure baud rate,data bit,parity and stop bit,complete communication test before formal operation.

InterfaceBackplane bus connector,RS232 serial terminal/DB port,run/fault/communication status LED indicators for BM85S232 MODICON communication module.

FeatureMODICON BM85S232 RS232 communication card,classic serial interface,hardware diagnostic LED,standard single slot rack design,industrial anti-interference design. This discontinued legacy industrial spare part used for old MODICON 984 PLC system serial communication maintenance and replacement.

DiagnosticModule not recognized: check rack power supply,backplane contact and module insertion for BM85S232. No serial data exchange: inspect RS232 cable,baud rate matching and wiring. Garbled data: check shielding grounding and electromagnetic interference. Intermittent communication loss: verify connector oxidation and loose terminals. Fault LED on: check module hardware failure.

Product BriefBM85S232 is MODICON 984 series RS232 serial communication module. It provides RS232 interface for MODICON 984 PLC to communicate with HMI,printer and other serial devices,classic spare part for legacy MODICON industrial automation 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.