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BECKHOFF
6.8.4
Implementation of the Stop Category 1
Bringing the motor to a standstill by interrupting the mains supply and using controlled electronic
braking (STOPMODE & ACTFAULT parameters set to 1). The 24 V supply for the AX2040/2070
must remain constant.
The drive is braked in a controlled manner during the stopping (disabling) procedure. If the speed
VEL0 (see sequence diagram in chapter 6.5) is undershot, the holding brake is applied and the
output stage is disabled.
As soon as two separate time periods (set at the time relay) have elapsed, the mains supply and
the holding brake are electrically isolated.
Should an internal AX2040/2070 fault occur, the motor is forced to a standstill once
K20 drops out.
Circuit suggestion
(with EMERGENCY STOP Category 1, control function with contactor relays)
AX2040/2070 Product Manual
06/2007
AX2040/2070
Technical description
29
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