Lenze E94AxHE Servo Drives 9400 HighLine (Firmware 01-37) - Manual (Page 226)

9400 HighLine | Parameter setting & configuration
Basic drive functions
Brake control | Mode 2/12: Automatic control of the brake
226 Firmware 1.37 - 09/2006
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9.11.4.3 Process when brake is closed
The following process occurs if the enable of the requested basic function for traversing
the drive is deactivated again:
1. The drive is braked to standstill via the basic function " Standard stop ", or also via the
basic function " Quick stop ".
2. When speed setpoint and actual speed value have fallen below the speed threshold set
in C02581 :
– The output BRK_bReleaseBrakeOut is set to FALSE for opening the brake.
– The current torque is saved to be used for the feedforward control for the next start,
if required.
– Monitoring of the brake module is deactivated temporarily.
– Monitoring of the status input is deactivated temporarily (if switched active via
C02583 ).
– The lapse of brake closing time starts.
3. After the brake closing time has elapsed and the corresponding status change of the
status signal:
– The output BRK_bBrakeReleased is reset to FALSE.
– The controller inhibit is activated.
4. After the additional waiting time set for the status monitoring in C02591 has elapsed:
– Monitoring of the brake module is active again.
– Monitoring of the status input is active again (if switched active via
C02583 ).
– Standstill monitoring is activated. Standstill monitoring
(C 214)