Danfoss VLT Safety Option MCB 150 Installation Manual page 76

Installation Guide | VLT® Safety Option MCB 150/151
Table 17: Commissioning Test Report, Safe Torque Off
Test procedure
1. Disable the STO function:
• Via DI1.
• Via DI2.
• Check the STO circuit connections against the circuit diagram
2. No safety faults and alarms.
3. Run the drive.
4. Ensure that the correct drive is running.
5. Select STO while the drive is running.
6. Check the following:
• The drive coasts to 0 speed.
• The motor is braked and stopped by the mechanical brake (if available and configured).
• Warning/alarm 68, Safe Stop is shown.
7. Deselect STO.
8. Check the following:
• Depending on the configuration, Safety Func. Pending is shown.
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.
Table 18: Commissioning Test Report, Safe Stop 1 Time-based
Test procedure
1. Disable the Safe Stop 1 function:
• Via DI1.
• Via DI2.
• Check the SS1 circuit connections against the circuit diagram
2. No safety faults and alarms.
3. Run the drive.
4. Ensure that the correct drive is running.
5. Select SS1 while the drive is running.
6. Check the following:
• The drive ramps down to 0 speed. Ensure that it stops within the delay time specified.
• The motor is braked and stopped by the mechanical brake (if available and configured).
• The SS1 ends with an STO warning or alarm, depending on the configuration.
7. Deselect SS1.
8. Check the following:
• Safety Func. Pending is shown.
• SS1 is deselected and inactive.
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Service and Repair
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AQ279747441421en-000101 / 130R0292