500SCM01 1MRB150004R0001 1MRB200059-C coupling module  

500SCM01 (1MRB150004R0001, 1MRB200059-C) coupling module, REB500 bus protection rack bus coupling card, responsible for backplane bus signal isolation and data forwarding, rack slot direct insertion replacement.
Features:
1. Built in photoelectric isolation, high isolation voltage, resistant to strong electromagnetic interference in substations.
2. Responsible for synchronizing signals and coupling communication data transmission between multiple boards within the rack.
3. Onboard LED status indicator light, visually displaying communication faults for easy maintenance.
4. Support hot plugging and online replacement without interrupting the operation of the entire protection system.
5. Hardware reinforcement design, wide temperature and seismic resistance, suitable for harsh working conditions of high-voltage cabinets.

parameter
1. Powered by the rack backplane, 5V/24V DC.
2. High speed synchronous pulse processing ensures the timing synchronization of the protection device.
3. Working temperature -10 ℃~+55 ℃.
4. Rack plug-in installation, compatible with ABB REB500 protective rack.
5. Support internal serial bus to achieve data exchange between protection cards.
Application:
1. Bus coupling of REB500 busbar protection system in substation.
2. Internal communication of power plant relay protection control cabinet.
3. Signal synchronization of power automation protection devices.
4. Maintenance and replacement of the old protective rack coupling card.
5. Reserve of power protection spare parts warehouse.
Summary: ABB 500SCM01 signal isolation is reliable, ensuring the timing synchronization of multiple modules of the protection device, and is the core communication coupling spare part of REB500 busbar protection system.