Motor Holding Brake - Siemens SINAMICS G120 CU240B-2 Operating Instructions Manual

7.9.1.6

Motor holding brake

The motor holding brake prevents the motor turning when it is switched off. The inverter has
internal logic to control a motor holding brake.
The motor holding brake control inside the inverter is suitable for the following typical
applications:
● Horizontal, inclined and vertical conveyors
● Pumps
● Fans
Connecting the motor holding brake
The Brake Relay serves as an interface between the Power Module and the motor's brake
coil.
The Brake Relay can be mounted on a mounting plate, the cabinet wall or the inverter's
shield connection kit. For more information, refer to Installation instructions for the Brake
Relay (http://support.automation.siemens.com/WW/view/en/23623179).
Connect the Brake Relay to the Power Module using the cable form provided.
Table 7- 30
The Brake Relay's control
connection is marked "CTRL".
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Connecting the Brake Relay to the Power Module
Brake Relay
The Brake Relay's control
connection
panel of the Power Module.
The Power Module has a
cable guide
cable
Power Module FSA ... FSC
0.37 kW ... 15 kW
①
is on the front
②
for the control
Functions
7.9 Technological functions
Power Module FSD ... FSF
18.5 kW ... 110 kW
The Brake Relay's control
①
connection is on the lower
side of the Power Module.
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