Run disable

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The 'Run Enable' signal, which is required for the drive to operate, is currently low or inactive. This is a safety interlock designed to prevent the drive from starting. The drive will remain disabled until the run enable condition is met and the corresponding signal is active.

• External safety relay (e.g., emergency stop circuit) contacts open, preventing the run enable signal (e.g., 24VDC) from reaching the drive input.
• Drive digital input (e.g., terminal 18, 27) configured as 'Run Enable' is not receiving the required voltage (e.g., 24VDC).
• Fieldbus command for run enable is not being sent or is incorrectly configured by the PLC or controller.
• Internal drive safety function (e.g., Safe Torque Off - STO) activated or not correctly reset.
• Drive parameter P5-10 (Digital input function) assigned to 'Run Enable' is misconfigured.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Measure voltage at the designated 'Run Enable' digital input terminal (e.g., terminal 18) with respect to common (terminal 20) (should be 24VDC when enabled).

2. 2

   Trace the 'Run Enable' signal back through any external safety relays, verifying their contact closure and integrity.

3. 3

   Check PLC/controller logic for the run enable bit and ensure it is being set correctly (e.g., through Modbus register 40001).

4. 4

   Verify the status of any integrated safety functions (e.g., STO) via drive diagnostics and ensure they are reset.

5. 5

   Confirm drive parameter P5-10 (Digital input function) is correctly assigned for 'Run Enable' (e.g., '8 = Start').

6. 6

   Inspect the digital input terminal for loose wiring or corrosion.