ABB ACS880-17 - SLS with Speed below the Monitored Speed

SLS with speed below the monitored speed
This time scheme diagram illustrates the operation of the SLS function. The motor speed
is below the monitored speed when the user activates the SLS function.
1 2 3
SLS request
SLS status &
indication
A
B
C
Motor speed
Time
2b
3b
D
Safety function response timeA
SLS1 limit positive (parameter 200.23)
B
SLS1 trip limit positive (parameter SLSx.14)
C
Zero speed with encoder (parameter FSOGEN.52). Relevant only if 2b occurs.
D
18 Option description