Motor Holding Brake - Siemens SINAMICS G110M Operating Instructions Manual

Advanced commissioning

8.12 Motor holding brake

8.12 Motor holding brake
Overview
The motor holding brake holds the motor in position when it is switched off.
When the "Motor holding brake" function is correctly set, the motor remains switched on as long
as the motor holding brake is open. The converter only switches the motor off when the motor
holding brake is closed.
Function description
Figure 8-30
Procedure
After the ON command:
1. The converter switches on the motor with the ON command.
2. At the end of the "motor excitation build-up time" (p0346), the converter issues the
command to open the brake.
3. The converter keeps the motor at a standstill until the "motor holding brake opening time"
p1216 has ended.
The motor holding brake must be opened within time p1216.
4. The converter accelerates the motor to the speed setpoint.
230
Motor holding brake function
Distributed converter for SIMOGEAR geared motors
Operating Instructions, 10/2020, FW V4.7 SP13, A5E31298649B AL