Bosch Rexroth IndraDrive MPH-02 Functional Description page 138

5-14
Motor, Mechanical Axis System, Measuring Systems
Diagnosing the Brake Check
Command "Release Holding
Command "Apply Holding
Brake"
Influence of Drive Enable on
Command "Apply Motor Holding
Relevant Parameters
command has been completed, the motor has been stopped by velocity
control with command value "0".
Command C3900 does not check whether the abrasion of the brake was
successful! It is therefore recommended to execute command C2100
(brake check) after command C3900!
CAUTION
The result of the brake check and the operating status of the holding
brake is displayed in the respective bits of P-0-0539, Holding brake
status word.
In special cases it can be convenient to release the holding brake even if
Brake" the drive is not in "AF" (drive enable). This is possible by activating
P-0-0542, C2000 Command Release motor holding brake. This
command, however, first has to be enabled by the respective bit in
P-0-0525, Holding brake control word!
CAUTION
Upon completion of the command, the brake is applied again. When drive
enable is set and then reset with the command being active, the holding
brake is applied again when resetting "AF" (drive enable)!
In special cases it can be convenient to apply the holding brake if the
drive is in an active state ("AF", drive enable). This is possible by
activating P-0-0543, C2000 Command Apply motor holding brake!
CAUTION
If drive enable ("AF") is reset and set again when the command is active,
the brake releases when drive enable is set although the command is still
Brake"
active!
When the command is completed, the brake releases again if the drive is
still active ("AF").
When the command is completed, the brake remains applied if drive
enable was reset during the execution of the command!
Notes on Commissioning
Enter application-dependent parameter values:
• S-0-0273, Maximum drive off delay time
Property damage caused by drive-controlled
axis motion when executing the commands for
brake check and for abrasion of the brake!
⇒ Before starting the command, move the axis to a
noncritical position!
Property damage caused by movement of non-
equilibrated axes when releasing the holding
brake!
⇒ Before starting the command, move the axis to a
noncritical position!
Damage to the holding brake!
If the axis is moved with the holding brake
applied, the brake can become prematurely
worn!
⇒ In case of doubt start P-0-0541, C2100 Brake check
command!
MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P