8400 StateLine C | Reference manual
Basic drive functions (MCK)
Holding brake control
366
L
Firmware
≤
11.00 - DMS 8.0 EN - 10/2011
8.4.2.1
Operating mode
For different applications and tasks, different operating modes are available in
C02580
.
The selected operating mode determines whether the holding brake control is used and
how the holding brake will be switched.
Mode 0: Brake control off
In this mode, brake control is switched off (not active).
The trigger signal
bMBrakeReleaseOut
for the holding brake control switching element
is set to FALSE.
The status signal
bMBrakeReleased
is set to FALSE.
Mode 11: Manual control
In this mode, brake release and brake application can be directly controlled via the input
bMBrakeReleaseBrake
without special logic or automatic.
Setting pulse inhibit or controller inhibit has no influence on the trigger signal
bMBrakeReleaseOut
for the holding brake control switching element.
After the brake has been activated and the brake application time has expired, the
controller is inhibited automatically by the basic "Holding brake control" function.
Tip!
You can use mode 11 to easily check if the brake switches correctly.
Mode 12: Automatic control
In this mode, the brake is controlled automatically.
If the requested speed setpoint reaches a parameterisable upper speed threshold that
allows traversing of the drive, the brake will be released and operation enabled.
On the other hand, if speed setpoint and actual speed fall below a parameterisable
lower speed threshold, the brake will be applied under consideration of different time
parameters.
Note!
In the Lenze setting, the mode 0 is preset to get into a safe state after the mains
is switched on.
Danger!
In this mode, the input
bMBrakeReleaseBrake
should be permanently set to
FALSE unless manual release (supervisor operation) is required.
If the
bMBrakeReleaseBrake
input is set to TRUE, the brake is released
immediately, even if the controller is inhibited!
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