Cegelec 20X4457B1L Control Board Inquiry Item

Details

This Cegelec 20X4457B1L is a dedicated control board for ALSPA series DC speed regulating drives. It is responsible for drive signal acquisition, logic operation and pulse trigger output of the thyristor rectifier unit. It can realize closed-loop speed regulation, current loop control, fault detection and protection functions of the DC motor. With anti-interference circuit design, it is suitable for heavy-duty industrial occasions such as rolling mills, paper machines and extruders. It is a common replacement spare part for old Cegelec drive systems.

Specifications

Model: 20X4457B1L Brand: Cegelec Applicable series: ALSPA DC drive Function: Speed loop & current loop control, pulse triggering Working environment: Industrial cabinet installation Certifications: CE

Components & Troubleshooting

Main control CPU chip, signal conditioning circuit, pulse trigger circuit, optocoupler isolation unit, status LED indicator, gold-plated connector. Common faults: drive cannot start, speed out of control, no trigger pulse, board communication failure, overcurrent false alarm.

Disclaimer

This spare part shall be installed and debugged by qualified drive electrical technicians. Confirm drive power-off before disassembly and replacement.