Technical Specifications Control command input interface, multi‑channel power unit feedback signal terminals. Auxiliary power 24 V DC, typical power consumption 5.3 W. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Conformal coated printed circuit board.
Functional Features Receives operation control commands from drive main control board. Distributes control signals to inverter power modules. Collects temperature, current and fault status feedback from power units. On‑board LED indicates signal transmission and hardware fault status. Built‑in hardware self‑diagnosis detects feedback circuit and internal communication faults.
Application Scenarios Power control interface spare part for ABB medium‑large capacity industrial frequency converter. Applied for transmission equipment overhaul in metallurgy, mining and chemical industry.
Performance Parameters Accurate control signal distribution performance. Fast power unit fault feedback response. Stable long‑time continuous operating capability.
Material Composition Multilayer glass‑fiber epoxy printed circuit board. Signal isolation, amplification and conditioning assemblies. Conformal protective coating. Internal plug‑in connectors and signal terminals.
Structural Characteristics Cabinet fixed‑mount circuit board. Equipped with multiple groups of internal plug‑in connectors. Reserved mechanical fixing holes. Weight approximately 0.52 kilogram.
Working Principle Control commands from main control board are received and processed, then transmitted to inverter power modules. Multi‑group feedback signals from power units are collected and sent back to main controller. Diagnosis circuit continuously monitors signal transmission channel operating condition.
Installation Requirements Fully cut off converter main power and discharge internal high‑voltage capacitors before replacement. Secure AINT‑02C to designated cabinet mounting position. Complete all internal plug‑in connections. Restore power supply, verify power unit feedback signals and perform equipment no‑load running test.
Usage Notes Implement anti‑static protection during handling. Ensure all connectors are fully inserted. Do not scratch conformal coating surface. Check over‑temperature and fault feedback functions after replacement.
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