Appendix
A.5 Acceptance Log
Control Units CU240S
A-12 Operating Instructions, 11/2006, A5E00766042B AA
Function test "Safe Stop 1" (SS1)
This test comprises the following steps:
Table A-9 "Safe Stop 1" function (SS1)
No. Description Status
1. Initial state
• Drive in the "ready" state (P0010 = 0)
• No safety faults and alarms
• r9772.0 = r9772.1 = 0 (STO de-selected and inactive)
• r9772.2 = r9772.3 = 0 (SS1 de-selected and inactive)
2. Operate the drive
3. Check that the expected drive operates
4. Select SS1 while issuing the traversing command
5. Check the following:
• Drive speed decreases corresponding to the selected ramp time (if
required, use a stop watch)
• After the parameterized minimum speed has been fallen below, the drive
coasts-down
• The drive is braked and held by the mechanical brake if a brake is being
used
• No safety faults
• r9772.1 = 1 (STO active)
• r9772.2 = 1 (SS1 selected)
• r9772.14 = 1 if safe brake monitoring is enabled
6. De-select SS1
7. Check the following:
• No safety faults
• r9772.1 = 0 (STO inactive)
• r9772.2 = 0 (SS1 de-selected)
• r9772.14 = 0
8. Check that the expected drive operates if so the following is tested:
• The wiring between the control unit and power module is correct
• Correct assignment, drive No. – inverter power module – motor
• Correct functioning of the hardware
• Correct wiring of the shutdown paths
• Correct assignment, STO terminals on the control unit
• Correct parameterization of the SS1 function
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