Danfoss VLT Safety Option MCB 150 Installation Manual page 78

Installation Guide | VLT® Safety Option MCB 150/151
Test procedure
6. Check the following:
• The drive ramps down to 0 speed.
• 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 Delay is deselected and inactive.
9. Restart the drive and check that the motor runs normally.
10. Ensure that the SS1 function is ready to operate.
11. Document and sign the commissioning test report.
Table 21: Commissioning Test Report, Safely Limited Speed without Ramp
Test procedure
1. Disable the SLS function:
• Via DI1.
• Via DI2.
• Check the SS1 circuit connections against the circuit diagram
2. No safety faults and alarms.
3. Run the drive.
• Up and down ramps can be separately entered for jog operation (jog-mode). This can be parameterized as
part of the Quick Menu.
• The motor speed must be higher than the SLS selected, if the machine allows this.
4. Ensure that the correct drive is running.
5. Select SLS while the drive is running.
6. Check the following:
• The drive coasts to 0 speed if STO is selected as fault reaction.
• Run SS1 if that is selected as fault reaction.
• The motor is braked and stopped by the mechanical brake (if available and configured).
• Ensure that error 70, Int fail speed limit SLSa : Reaction STO is shown.
7. Deselect SLS.
8. Check the following:
• Safety Func. Pending is shown.
• SLS is deselected and inactive.
9. Restart the drive and check that the motor runs normally.
78 | Danfoss A/S © 2018.09
Service and Repair
Approved ✓
Approved ✓
AQ279747441421en-000101 / 130R0292