Danfoss Vacon OPTEA Operating Manual page 106

VACON® NXP Advanced Safety Options
Operating Guide
Signal Activation and deactivation of the signal
• – [No violations of SSM]
SSM Reached 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.
SSM Above Activation:
Max Limit
• 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
SSM Below Activation:
Min Limit
• 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.
106 | Danfoss A/S © 2021.06
Safety Functions
Description
The signal indicates if the SSM
function has been reached suc-
cessfully. Corresponds to the state
of the SSM output.
The signal indicates if speed is
above the SSM Max Limit.
The signal indicates if speed is be-
low the SSM Min Limit.
AQ319736045637en-000101 / DPD01798