SEW-Eurodrive MOVISAFE DCS21B

Manual – MOVIDRIVE® MDX61B Safety Module Option MOVISAFE® DCS..B
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3
Safety functions
Integrated Safety Technology
3.2.12 SLI – Safely Limited Increment
The SLI function prevents that a movement exceeds a specified increment. If the limit
value of the increment is exceeded, the safety function will be disabled and an error
message will be triggered (usually STO or SS1).
3.2.13 SLP – Safely Limited Position
The SLP function prevents that a movement exceeds a specified absolute position. If
the limit value of the absolute position is exceeded, the safety function will be disabled
and an error message will be triggered (usually STO or SS1).
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Safety function monitors
Safety function trips
v=Velocity
S=Track
s
1
, s
2
= Point of time when SLI is activated
s
2
, s
3
= Point of time when SLI is deactivated
∆s = Safe increment
S
V
ΔS ΔS
S
1
S
2
S
3
1971086987
Safety function trips
v=Velocity
t=Time
X
1
= Minimum (lower) absolute position
X
2
= Maximum (upper) absolute position
S
V
X
0
X
1
X
2
X
3
P
i
f
kVA
Hz
n