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
