3
Safety concept
Drive safety functions according to EN 61800-5-2
Manual – MOVISAFE
®
CS..A Safety Card (Version 2)
26
3.7.10
SLS – Safely Limited Speed
The SLS function prevents the drive from exceeding a specified speed. If the permit-
ted speed is exceeded, the drive safety function will be triggered and an error re-
sponse 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
= Point in time at which SLS is activated.
t
2
= Point in time at which SLS is deactivated.
3.7.11
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 drive 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 at which SSR is activated.
t
2
= Point in time at which SSR is deactivated.
28482271/EN – 03/2019
