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).
Only activated when SS1 has not detected any violations.
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.
The signal indi-
cates if SS1 func-
tion has been
reached success-
fully.
Speed
Logical level
Logical level
SS1 Request
SS1 Reached
SS1 Active
Acknowledgement
SS1 t1
t
t
t
t
t
Automatic acknowledgement
Manual acknowledgement
e30bi335.10
Illustration 38: The SS1 Signals in the Time Monitoring Mode
AQ319736045637en-000101 / DPD0179876 | Danfoss A/S © 2021.06
Safety Functions
VACON® NXP Advanced Safety Options
Operating Guide
To Next Page
Loading...
Need help?
General