GE Fanuc IC200MDL331G versamax input module

GE Fanuc IC200MDL331 is an 8‑point isolated discrete output module for the VersaMax I/O platform, providing 120 VAC at up to 2 A per channel with MOV protection and LED status indicators. Common failure modes include insulation breakdown of the output contacts, loss of isolation due to internal relay wear, and power supply voltage sag causing intermittent operation or tripping of built‑in fuses. For a new unit, first verify the external 120 VAC supply is within spec and stable; next check each channel’s LED status and perform continuity tests on the output contacts; finally review any error logs from the host controller for over‑current or isolation fault indications.[oss-gpt-20b]

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