ABB 1MSC980119 REV.D Multi-Function Drive Signal Control Board
1MSC980119 REV.D is ABB industrial drive integrated signal processing PCB, REV.D is the official upgraded hardware revision optimized for EMC anti-interference and long-term continuous operation. It integrates analog sampling, digital logic, auxiliary power and relay output circuits, serving as core signal interface for medium/low voltage variable frequency drives and power control cabinets, collecting motor current, voltage and temperature feedback signals to generate drive control logic.

This plug-in rack board adopts dual-row orange terminal block wiring design with built-in multi-layer hardware protection against overvoltage, overcurrent and short-circuit faults. It features industrial-grade PCB grounding and filtering layout to suppress electromagnetic noise in dusty, humid factory environments. Original production has been discontinued, and it is a critical maintenance spare for metallurgical rolling, papermaking winding and power plant auxiliary drive systems worldwide.
Main Specifications
- Brand: ABB; Part No.: 1MSC980119; Hardware Version: REV.D;In stock
- Product Type: Drive signal control integrated circuit board, plug-in cabinet installation
- Control Power Supply: Standard 24VDC industrial auxiliary power
- Operating Temperature: -20℃ ~ +60℃; Storage Temp: -40℃ ~ +85℃
- Protection Rating: IP20, conformal coating optional for corrosive workshop sites
- I/O Interface: Multi-channel analog sampling, digital logic ports, relay output terminals
- Hardware Upgrade (REV.D): Optimized filter circuit, improved surge resistance, stable long-run performance
- Protection Mechanism: On-board overvoltage, overcurrent, short-circuit and overheat hardware protection
- Dimension: Approx 250 × 220 × 40mm, single-slot rack mounting
- Lifecycle Status: Discontinued original factory production, aftermarket overhaul spare only
Core Functions
- Real-time collect drive motor analog signals including armature current, bus voltage and RTD bearing temperature for closed-loop speed regulation calculation.
- Process digital interlock signals from circuit breakers, emergency stops and cooling fans, output relay contact signals for fault alarm and equipment trip interlock.
- Built-in auxiliary power conversion circuit supplies stable low-voltage power to on-board sampling chips and signal isolation optocouplers.
- REV.D optimized EMC filtering design eliminates high-frequency interference from power cables, reducing false triggering in metallurgy and chemical plant strong electromagnetic environments.
- Multi-stage hardware protection automatically locks drive pulse output when abnormal voltage/current occurs to avoid permanent damage to power unit and motor.
- Standard plug-and-play rack structure supports direct replacement without modifying cabinet wiring, greatly shortening equipment maintenance downtime.
Application Scenarios
- Spare signal control board replacement for ABB low/medium voltage drive cabinets of metal strip rolling and copper foil production lines.
- Drive signal acquisition spare parts for papermaking, plastic film winding/unwinding constant tension transmission equipment.
- Maintenance backup stock for mining hoist, textile spinning frame and port crane vintage ABB variable frequency control racks.
- Matching drive signal board cooperating with ABB Advant OCS DCS, PM511 CPU and PP836 local HMI monitoring panel.
- Retrofit overhaul components for cement kiln auxiliary motor, chemical fiber extrusion and waste heat power station auxiliary drive systems.
Global aftermarket spare inventory for metallurgy, paper and heavy industry maintenance workshops maintaining legacy ABB drive hardware.

