Resurfacing the holding brake
1. At closed holding brake, turn the output shaft by hand, e.g. with the help
of a torque wrench, by about 5 revolutions.
2. Measure the holding torque (M4).
If the holding torque (M4) is achieved, the motor is ready for assembly.
If the specified holding torque (M4) is not achieved after several resurfac-
ing processes, the holding brake is not operable. Please, contact the
Rexroth Service.
Checking and resurfacing of holding brakes by means of the software function
Checking the holding torque (M4) via P-0-0541, C2100 command
holding system check
1. The efficiency of the holding brake and the opened state are checked by
the control device by starting the routine "P-0-0541, C2100 Command
Holding system check".
If the holding brake is operational, the drive is in an operational state after
the routine was run through. If the braking torque is too low, the control
device outputs a corresponding message.
The brake test can also be carried out cyclically in the framework of
a preventive maintenance.
Restoring the holding torque (M4) by means of the software func-
tion
The following possibilities are available:
1. Realization of the resurfacing routine IndraDrive "Restoring the holding tor-
que" (see"P-0-0544, C3900 Command Resurfacing of motor holding
brake"). A repeated realization of the resurfacing routine is possible.
Upon the execution of the command C3900 it is not checked whether the
resurfacing of the holding brake was successful. It is recommended to
execute the command C2100 (Command Holding system check) once
again.
2. Resurfacing routine by superior control. Here, special control programs
adapted to the machine and system concepts are required. If necessary,
please contact your Bosch Rexroth distribution partner and discuss the re-
surfacing routine parameters for your application.
For more detailed information about software functions refer to the func-
tional description "Rexroth IndraDrive Firmware for Drive Control Devices MPx-
xx, DOK-INDRV*-MP*-xxVRS**-FKxx-EN-P."
12/27
Operating instructions
MSK Motors Operation For Potentially
Explosive Areas
Bosch Rexroth AG R911323850_Edition 05
Содержание Rexroth MSK030-NSNN Series
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