Siemens SINAMICS G120 - Page 121

Accessories
7.4 Brake Relay
Power Module PM240
Hardware Installation Manual, 07/2009, A5E00807525B AD
121
Connecting the Brake Relay to the motor brake
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0
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Figure 7-23 Brake Relay connection
The Brake Relay has to be connected to protective earth, if the motor brake is supplied by a
PELV circuit.
Connecting the Safe Brake Relay to the motor brake
The Safe Brake Relay can only control motor brakes with 24V power supply.
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0
0
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Figure 7-24 Safe Brake Relay connection