Danfoss VLT FC 280 Operating Manual page 97

Operating Guide | VLT® Midi Drive FC 280
Table 42: Commissioning Test Report: Safe Torque Off
Safety Test procedure
functions
STO 1. Check the STO circuit connections against the circuit diagram. STO function must be inac-
tive:
• Via digital input.
• Via PROFIsafe.
2. Power on, manual acknowledgment is required if configured. No safety faults and alarms.
3. Run the drive.
4. Ensure that the correct drive is running.
5. Trigger STO while the drive is running.
6. Check the following:
• The drive coasts to zero speed.
• The motor is braked and stopped by the mechanical brake (if available and configured).
• Warning 68 Safe Torque Off is shown.
7. Deactivate STO.
8. Check the following:
• Depending on the configuration, Safety Func. Pending is shown.
• STO inactive.
9. Restart the drive and check that the motor runs normally.
10. Ensure that the STO function is safe and accepted to operate.
11. Document and sign the commissioning test report.
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Safety Functions
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AQ381425076031en-000201 / 130R1223 | 97