Siemens SINAMICS G120D Operating Instructions Manual page 164

Setting functions
8.7 Application-specific functions
Function after OFF2
The brake closing time is not taken into account after an OFF2 command:
After an OFF2, the inverter issues the signal to immediately close the motor holding brake,
independent of the motor speed.
Figure 8-22
Commissioning a motor holding brake
Danger to life due to falling loads
For applications such as lifting equipment, cranes or elevators, there is a danger to life if
the "Motor holding brake" function is incorrectly set.
• When commissioning the "Motor holding brake" function, secure any dangerous loads,
Precondition
The motor holding brake is connected to the inverter.
Procedure
Proceed as follows to commission the "Motor holding brake" function using an operator
panel.
1. Set p1215 = 1.
The "Motor holding brake" function" is enabled.
2. Check the magnetizing time p0346; the magnetizing time is pre-assigned during
commissioning and must be greater than zero.
164
Controlling the motor holding brake after OFF2
DANGER
e.g. by applying the following measures:
– Lower the load down to the floor
– Cordon off the hazardous area so that nobody can enter it
Converter with control units CU240D-2
Operating Instructions, 04/2014, FW V4.7, A5E34262100B AA