4-0
Chapter 4
Motor shaft retention brake(RSF-5B)
RSF-5B actuator is standard-equipped with a motor shaft holding brake. (Option symbol:
B) An external brake is not required to meet the fail safe and other requirements.
The brake has 2 coils; one for releasing brake, and another for retaining the released
state. By controlling the currents through the coils, power consumption during retention
of brake release can be reduced.
4-1
Motor shaft retention brake specifications ······························· 4-1
4-2 Controlling the brake power supply ········································ 4-2
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