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FM-3 Programming Module Reference Manual
Brake Release
The Brake.Release destination function will release the brake under all conditions. When this
function is active, the Brake output will be on (that is, release brake). This function overrides
all other brake control, thus allowing the brake to be released while a fault is active or the
power stage is disabled. See also Brake source function.
Brake Activate
The Brake.Activate destination function, when active, will engage the brake unless
overridden by the Brake Release function. This function lets you externally engage the brake
while allowing the drive to also control the brake during fault and disabled conditions.
Brake Disengaged
The Brake.Disengaged source function is used to control the motor holding brake. If the
Brake function is off, the brake is mechanically engaged. When the brake is engaged, the
diagnostic display on the front of the drive will display a “b”.
The drive outputs are limited to 150 mA capacity, therefore, a suppressed relay is required to
control motor coil. Control Techniques offers a relay, model # BRM-1.