Danfoss Vacon OPTEA Operating Manual page 76

VACON® NXP Advanced Safety Options
Operating Guide
Signal Activation and deactivation of the signal
• Acknowledgment signal received after SS1 is not requested.
Deactivation (automatic acknowledgment):
• SS1 request ends.
Deactivation (SS1 violation situations):
• Reset signal received after SS1 had detected a violation and SS1 has been acknowledged
(implicitly and explicitly).
SS1
Only activated when SS1 has not detected any violations.
Reached
Activation:
•
Time SS1_t1 elapses (only time monitoring used). OR
• Speed is below zero speed for time SS1_td1 (zero speed monitoring used).
Deactivation (manual acknowledgment):
• SS1 is acknowledged after being reached successfully.
Deactivation (automatic acknowledgment):
• SS1 was reached successfully and SS1 request ends.
Deactivation (higher priority function is requested):
• STO or SQS is requested.
Logical level
SS1 Request
Speed
Logical level
SS1 Active
SS1 Reached
Acknowledgement
Illustration 38: The SS1 Signals in the Time Monitoring Mode
76 | Danfoss A/S © 2021.06
SS1 t1
Automatic acknowledgement
Manual acknowledgement
Safety Functions
Description
The signal indi-
cates if SS1 func-
tion has been
reached success-
fully.
t
t
t
t
t
AQ319736045637en-000101 / DPD01798