Error when checking input signals

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This non-fatal safety error indicates a discrepancy or inconsistency detected during the validation of safety-related input signals on the IndraDrive MPx02. This implies that the redundancy or plausibility check for safety inputs has failed, meaning the input signal's state cannot be reliably determined for safety purposes.

• Faulty wiring of safety input signals (e.g., short circuit, open circuit, incorrect voltage).
• External safety switch or sensor malfunction.
• Plausibility check failure due to mismatched signals from redundant inputs (e.g., channel 1 vs. channel 2).
• Incorrect parameterization of safety input signal monitoring in the IndraDrive MPx02.
• Electromagnetic interference affecting the integrity of safety input signals.

Klikk på steg for å spore fremgangen.

1. 1

   Inspect the wiring of all safety input signals connected to the IndraDrive MPx02, checking for loose terminals, damaged cables, or incorrect connections.

2. 2

   Verify the functionality of external safety switches, sensors, or safety relays providing the input signals.

3. 3

   Measure the voltage levels at the safety input terminals of the IndraDrive MPx02, comparing against expected states (e.g., 24VDC active, 0VDC inactive).

4. 4

   Review safety parameters related to input signal monitoring (e.g., cross-monitoring, plausibility checks) in the IndraDrive MPx02.

5. 5

   Check for sources of electromagnetic interference that could be corrupting the input signals and ensure proper shielding and grounding.