3
Safety concept
Drive safety functions
Manual – MOVISAFE
®
CS..A Safety Card
24
3.7.8
SLS – Safely Limited Speed
The SLS function prevents the drive from exceeding a specified speed. If the permit-
ted speed is exceeded, the safety function will be triggered and an error response will
be initiated at the same time.
t
V
t
1
t
2
9007201225702923
= Drive safety function monitoring
= Drive safety function trips
v
= Speed
t
= Time
t
1
= Time when SLS is activated.
t
2
= Time when SLS is deactivated.
3.7.9
SSR – Safe Speed Range
The SSR function prevents the speed of the drive from exceeding a specified range. If
the permitted speed range is exceeded or not achieved, the safety function will be
triggered and an error response will be initiated at the same time.
t
1
t
2
t
V
9007201659986827
= Drive safety function monitoring
= Drive safety function trips
v
= Speed
t
= Time
t
1
= Point in time when SSR is activated.
t
2
= Point in time when SSR is deactivated.
24842532/EN – 04/2018
