Motor Holding Brake - Siemens SINAMICS G120D Operating Instructions Manual
Distributed converter, control units with encoder evaluation
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Also See for SINAMICS G120D:
- List manual (910 pages) ,
- Operating instructions manual (398 pages) ,
- Original instructions manual (382 pages)
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Advanced commissioning
6.7 Application-specific functions
6.7.4
Motor holding brake
The motor holding brake holds the motor in position when it is switched off. If the setting is
correct, the motor will produce an electrical holding torque before the inverter opens the
brake. The inverter does not close the motor holding brake until the motor is at a standstill.
Function
Image 6-37
Function after an ON command:
1. With the ON command, the inverter switches the motor on.
2. At the end of the "motor excitation build-up time" (p0346), the inverter issues the
command to open the brake.
3. The inverter 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 inverter accelerates the motor to the speed setpoint.
198
Motor holding brake function
Operating Instructions, 07/2016, FW V4.7 SP6, A5E34262100B AD
Converter with control units CU240D-2
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