Activation and deactivation of the signal
Activation:
Speed is within safe range for the time that is set with SSM td2.
Deactivation (manual acknowledgment):
SSM is acknowledged after being reached successfully.
Deactivation (automatic acknowledgment):
SSM was reached successfully and SSM request ends.
Deactivation (normal operation):
Speed goes outside the limits.
Deactivation (fault state):
A critical or removable fault is detected.
The signal indicates if the SSM
function has been reached suc-
cessfully. Corresponds to the state
of the SSM output.
Activation:
SSM is requested and speed is above maximum limit.
Deactivation (manual acknowledgment):
Speed is below maximum limit for the time that is set with SSM td2. OR
Acknowledgment signal received and SSM is not requested.
Deactivation (automatic acknowledgment):
Speed is below maximum limit for the time that is set with SSM td2. OR
SSM request ends.
Deactivation (normal operation):
Speed is within safe range for the time that is set with SSM td2
The signal indicates if speed is
above the SSM Max Limit.
Activation:
SSM is requested and speed is below minimum limit.
Deactivation (manual acknowledgment):
Speed is above minimum limit for the time that is set with SSM td2. OR
Acknowledgment signal received and SSM is not requested.
Deactivation (automatic acknowledgment):
Speed is above minimum limit for the time that is set with SSM td2. OR
SSM request ends.
Deactivation (normal operation):
Speed is within safe range for the time that is set with SSM td2.
The signal indicates if speed is be-
low the SSM Min Limit.
AQ319736045637en-000101 / DPD01798106 | Danfoss A/S © 2021.06
Safety Functions
VACON® NXP Advanced Safety Options
Operating Guide
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