Products Description
MODICON AS-BDA0-21 Digital Input Output Mixed Module

Technical SpecificationsModel:AS-BDA0-21 Brand:Schneider MODICON Product Type:984 Series Combined Digital Input & Output Module Channel:16 digital input channels,8 digital output channels Backplane Power:5V DC supplied by rack backplane Isolation:Electrical isolation between field side and backplane Mounting:Backplane rack slot mount Operating temperature:0℃ ~ +45℃ Storage temperature:-20℃ ~ +70℃ Relative humidity:5%~95%, non-condensing Weight:1.2kg Dimension:260mm140mm30mm Protection:IP20
System compatibilityAS-BDA0-21 belongs to MODICON 800 series I/O module. Compatible with MODICON 984 series CPU,rack backplane and RIO remote I/O racks. It can cooperate with other analog and digital modules in the same rack. Suitable for production line sequence control,conveyor system,machine control,water treatment and chemical small and medium automation system renovation and replacement as industrial spare part.
FunctionAS-BDA0-21 is mixed discrete I/O module. It collects digital signals from field sensors,limit switches and proximity switches,transmits digital status data to PLC CPU. It receives control commands from processor and outputs discrete signals to drive relays,solenoid valves and contactors. It has built-in channel status monitoring and overcurrent protection. Widely used for digital signal collection and on-off control in industrial automation, serving as reliable discrete I/O spare part.
InstallationCut off rack power before installation. Insert the AS-BDA0-21 module into MODICON backplane slot and lock the card. Wire field input and output cables to swing-arm terminal block. Set module address via DIP switch,verify channel status and complete signal test before formal operation.
InterfaceBackplane bus connector,field digital signal swing-arm terminal block,channel status LED indicators for AS-BDA0-21 MODICON mixed I/O module.
FeatureSchneider MODICON AS-BDA0-21 16DI+8DO combined digital I/O module,channel electrical isolation,swing arm terminal for convenient wiring,built-in overcurrent protection,real-time channel LED status indication,anti-interference design for industrial workshop environment,standard single slot rack design,IP20 cabinet protection. This discontinued legacy industrial spare part used for old MODICON 984 PLC system digital I/O maintenance and replacement.
DiagnosticModule not recognized: check rack power supply,backplane contact and module insertion for AS-BDA0-21. Input signal reading failure: check field sensor wiring,terminal loose and power supply of sensor. No output action: inspect output loop wiring,load fault and overcurrent protection trigger. Intermittent signal error: check cable shielding,grounding and connector loose fault. Fault alarm: read module diagnostic information through Modsoft programming software.
Product BriefAS-BDA0-21 is Schneider MODICON 800 series 16DI 8DO mixed digital I/O module. It collects field switch signals and outputs on-off control signals for valves and relays,classic spare part for legacy MODICON 984 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.