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Functions
7.9 Technological functions
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
197
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
Rela).
Connect the Brake Relay to the Power Module using the cable form provided.
Table 7- 30 Connecting the Brake Relay to the Power Module
Brake Relay
Power Module FSA … FSC
0.37 kW … 15 kW
Power Module FSD … FSF
18.5 kW … 110 kW
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The Brake Relay's control
connection is marked "CTRL".
The Brake Relay's control
connection
①
is on the front
panel of the Power Module.
The Power Module has a
cable guide
②
for the control
cable
The Brake Relay's control
connection
①
is on the lower
side of the Power Module.