REF542plus Operating Tool by ABB Power Technology Ltd is a Windows-based engineering and diagnostics application designed for ABB’s REF542plus protection and control unit used in medium-voltage switchgear. It provides a unified interface to configure device parameters and protection settings, map I/O, and define interlocking and control functions. Engineers can monitor real-time measurements and device status, issue control commands, and retrieve time-stamped event logs and diagnostic data to speed up troubleshooting.
The tool supports both offline project preparation and live sessions with connected devices, helping ensure consistent configuration management across multiple units. Communication is available over serial or Ethernet links, depending on the installed options of the REF542plus. User access levels and password protection help safeguard critical settings and operational actions.
REF542plus Operating Tool is well suited for utilities, industrial facilities, and OEMs deploying REF542plus-based feeder automation, ring main units, and switchgear. By centralizing configuration, operation, and diagnostics, it streamlines commissioning, reduces engineering effort, and helps improve the availability of medium-voltage systems.
REF542plus Operating Tool is developed by ABB Power Technology Ltd. The most popular version of this product among our users is 2.4. The name of the program executable file is scuoper32.exe. Works with ref file type.
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