5 implementation of the stop category 2, Implementation of the stop category 2 – BECKHOFF AX2500 User Manual
Page 30
6.8.5
Implementation of the Stop Category 2
The machine receives an operational stop (disable) command and brakes the drive using
the set braking ramp (STOPMODE & ACTFAULT parameters set to 1).
The drive is braked in a controlled manner during the stopping (disabling) procedure. If
the speed VEL0 (see sequence diagram in chapter 6.4) is undershot, the holding brake is
applied and the output stage is disabled. In this case, there is no interruption of the elec-
trical supply.
If the electrical supply is switched off, not only will the controlled braking procedure be
performed, but the mains supply and the holding brake will also be electrically isolated fol-
lowing a time period set at the time relay.
Circuit suggestion
(with EMERGENCY STOP Category 1, control function with contactor relays)
30
AX2500 Product Manual
Technical description
06/2007
BECKHOFF
AX2500
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