Siemens SINAMICS G120D Operating Instructions Manual page 123

Table 8-2 Commands for switching the motor on and off
ON The inverter switches the motor on.
Jogging 1
Jogging 2
Enable operation
OFF1, OFF3 The inverter brakes the motor. The inverter switches off the motor once it comes to a standstill.
The motor is considered to be stationary if the speed is less than a defined minimum speed.
OFF2 The inverter switches off the motor immediately without first braking it.
Inhibit operation
Parameter
Parameter Description
p1226 Standstill detection, speed
threshold [rpm]
p1227 Standstill detection monitor‐
ing time [s]
p1228 Pulse cancellation delay time
[s]
Further information
You will find additional information in function diagram 2610 of the List Manual.
Converter with the control units CU240D-2
Operating Instructions, 10/2020, FW V4.7 SP13, A5E34262100B AH
8.3 Sequence control when switching the motor on and off
Setting
Factory setting: 20.00
rpm
Factory setting: 300.00 s
Factory setting: 0.01 s
Advanced commissioning
The inverter identifies that the motor is at a
standstill after OFF1 or OFF3 when at least one
of the following conditions has been satisfied:
• The speed actual value falls below the thresh‐
old in p1226 and the time started in p1228
has expired.
• The speed setpoint falls below the threshold
in p1226, and the time subsequently started
in p1227 has expired.
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