Westfalia PLC 100/1 PLC controller

Westfalia PLC 100/1 (A) is a 24 VDC industrial control unit used in separator/purifier systems, featuring standard I/O relays and a memory cassette interface. Common failure points for this class of controllers include power‑supply degradation (voltage ripple or over‑current), relay coil wear or burnt contacts, and firmware corruption on the internal flash or cassette. First‑check diagnostics: verify 24 VDC input with a calibrated meter, inspect all relays for physical damage or abnormal resistance, and run a self‑test/diagnostic routine if available to confirm memory integrity.[oss-gpt-20b] Post Comment

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