7 General
Page 24
Installation manual PMCprimo Drive2
During the internal ENABLE delay time of 100ms the speed setpoint of the PMCprimo Drive2 is
internally driven down a 10ms ramp to 0V. The brake output is switched on when 3% of the final
speed is reached. The rise (fbrH) and fall (fbrL) times of the holding brake which is built into the
motors are different for the various types of motor (see motor manual). A description of the interface
can be found on page 49.
A safe (for personnel) operation of the holding brake requires an additional “make” (n.o.) contact in
the brake circuit and a suppressor device (varistor) for the recommended brake circuit diagram
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General