Activation time of enabling control exceeded

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This non-fatal safety error indicates that the time taken to activate the enabling control (e.g., Safe Torque Off - STO) on the IndraDrive MPx02 has exceeded its permissible limit. This suggests a delay in the safety circuit's response, which can compromise the safety function's effectiveness.

• Slow response of external safety relays or contactors in the enabling circuit.
• Excessive capacitance or inductance in the enabling circuit wiring.
• Incorrect parameterization of the activation time monitoring in the IndraDrive MPx02.
• Partial short circuit or high resistance in the enabling circuit.
• Internal hardware fault in the safety-related input or STO circuit of the drive.

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1. 1

   Measure the actual response time of the external safety relays or contactors involved in the enabling circuit.

2. 2

   Inspect the wiring of the enabling control circuit for excessive length, insufficient wire gauge, or poor connections that could cause delays.

3. 3

   Verify the configured activation time monitoring parameters in the IndraDrive MPx02 to ensure they are appropriate for the system's response.

4. 4

   Check the enabling circuit for any partial shorts or high resistance connections that could impede signal activation.

5. 5

   If the error persists and external components are verified, it may indicate an internal issue with the STO input section of the IndraDrive MPx02.