MODICON AS-884A-100 PLC Processor

Technical SpecificationsModel:AS-884A-100 Brand:MODICON Product Type:884 Series PLC CPU Processor Logic Memory:2K Communication:1×Modbus port, no remote I/O support 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:1.8kg Dimension:260mm140mm30mm Protection:IP20

System compatibilityAS-884A-100 belongs to MODICON 884 series PLC CPU processor. Compatible with MODICON 884 backplane and 800 series local I/O modules. It can connect HMI and upper monitoring system via Modbus. Suitable for small-scale automation equipment,conveyor line,packaging machinery,water treatment local logic control renovation and replacement as industrial spare part.

FunctionAS-884A-100 PLC CPU processor. It executes ladder logic program,collects digital and analog signals from local I/O modules,performs control calculation and outputs commands to field actuators. It supports Modbus serial communication for data exchange with HMI and host computer. Built-in hardware self-diagnosis,program storage and power-off data retention function. Widely used for small industrial equipment logic control, serving as reliable PLC CPU spare part.

InstallationCut off rack power before installation. Insert AS-884A-100 CPU module into MODICON backplane slot and lock the card. Check gold finger contact condition. Connect Modbus communication cable. Download user program,configure I/O allocation and communication parameters,complete online operation test before formal operation.

InterfaceBackplane bus connector,Modbus serial port,run/fault/battery status LED indicators for AS-884A-100 MODICON PLC CPU processor.

FeatureMODICON AS-884A-100 884 CPU,2K logic memory,single Modbus communication port,only local I/O expansion,real-time hardware status LED,standard single slot rack design,anti-interference design for industrial workshop environment. This discontinued legacy industrial spare part used for old MODICON 884 small PLC system control maintenance and replacement.

DiagnosticModule not recognized: check rack power supply,backplane contact and module insertion for AS-884A-100. PLC fault alarm: check program error,memory failure and I/O short circuit. Modbus communication abnormal: check serial cable,station address and grounding. Program loss: inspect backup battery aging and battery replacement. Intermittent crash: check backplane power stability and internal circuit aging.

Product BriefAS-884A-100 is MODICON 884 series PLC CPU processor with 2K memory. It executes user control logic and Modbus communication for small automation systems,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.