Setpoint Channel and Closed-Loop Control 11/03
SINAMICS G150
7-4 Operating Manual
7.2.3 Speed Limitation
Description
Speed limitation aims to limit the maximum permissible speed of the entire drive
train to protect the drive and load machine / process against damage caused by
excessive speeds.
Signal Flow Diagram
Speed limit negative
p1086
Speed limit positive
p1083
nSet_afterSkip
r1112
nSetbefore_RG
r1119
Fig. 7-2 Signal flow diagram: Speed limitation
Setting Parameters
Setting range: 0.000 ... 210000.000 1/min
p1082 Speed limit
Factory setting: 1500.000 1/min
Setting parameter for the maximum speed. This parameter is the reference speed for all ramp-up and
ramp-down times (motor potentiometer, ramp generator).
Setting range: 0.000 ... 210000.000 1/min
p1083
Speed limit positive direction of
rotation
Factory setting: 210000.000 1/min
Setting parameter for the speed limit in a positive direction of rotation.
Setting range: -210000.000 ... 0.000 1/min
p1086
Speed limit negative direction of
rotation
Factory setting: -210000.000 1/min
Setting parameter for the speed limit in a negative direction of rotation. If required, this parameter can be
used to disable the negative direction of rotation.
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