Ssm - Danfoss Vacon OPTEA Operating Manual

22 • VACON
NOTE! The faults that are shown and their type (Fault or
Warning) depend on the settings of the AC drive.
The drive is in NOT READY state or in RUN state.
NOTE! In the SQS-SS2 mode the drive should stay in RUN
state. In the SQS-STO or SQS-SS1 mode the drive should be
in NOT READY state.
9 Deactivate the SSR function.
Send a reset signal to the option board.
NOTE! When a safety function is deactivated and the
violation is reset, and there is a valid RUN request in the AC
drive, the AC drive can start running unexpectedly.
10 Make sure that the drive is in READY state.
11 When necessary, repeat the tests for the other SSR limit.
The SSR tests have been executed, possible deviations documented and
testing approved.
Notes:
3.7.8

SSM

Step
1 Make sure that the drive is in READY state.
Make sure that no safety functions requested.
2 Give a RUN request to the AC drive.The speed should be in
the safe range between the SSM limits.
3 Activate the SSM function from the desired source.
4 The SSM function activation should be detected by the
external system that monitors the SSM output state.
As default, there is no warning shown for the SSM function.
The state of the function can also be verified from the
expander board menu on the control panel of the AC drive.
The SSM output is in state HIGH.
Instructions
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