Accessories
7.4 Brake Relay
Power Module PM240
118 Hardware Installation Manual, 07/2009, A5E00807525B AD
7.4 Brake Relay
The Brake Relay is designed to provide the interface between the Power Module and the
brake solenoid of a motor. There are two types of Brake Relays:
● Brake Relay – this provides the basic braking control function.
● Safe Brake Relay – this provides for the braking control function within a safety integrated
system. To adhere to the requirements of a safety integrated system, the Safe Brake
Relay has been designed to allow a variable voltage to be given to the Safe Brake Relay
to allow the system to determine if the Safe Brake Relay is functioning correctly without
actually activating the braking function.
7.4.1 Mounting the Brake Relay
Mounting the Brake Relay on Power Module FSA … FSF
The Brake Relay can be panel mounted, wall mounted or mounted on the screen termination
kit.
For more information see http://support.automation.siemens.com/WW/view/en/23623179
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