Speed Limitation - Siemens SINAMICS G150 Operating Manual

Setpoint Channel and Closed-Loop Control
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
nSet_afterSkip
r1112
Fig. 7-2
Setting Parameters
p1082
Speed limit
Setting parameter for the maximum speed. This parameter is the reference speed for all ramp-up and
ramp-down times (motor potentiometer, ramp generator).
Speed limit positive direction of
p1083
rotation
Setting parameter for the speed limit in a positive direction of rotation.
Speed limit negative direction of
p1086
rotation
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.
7-4
Speed limit positive
p1083
nSetbefore_RG
Speed limit negative
p1086
Signal flow diagram: Speed limitation
r1119
Setting range: 0.000 ... 210000.000 1/min
Factory setting: 1500.000 1/min
Setting range: 0.000 ... 210000.000 1/min
Factory setting: 210000.000 1/min
Setting range: -210000.000 ... 0.000 1/min
Factory setting: -210000.000 1/min
11/03
SINAMICS G150
Operating Manual