5-6
Motor, Mechanical Axis System, Measuring Systems
MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
•
P-0-0539, Holding brake status word
•
P-0-0540, Torque of motor holding brake
•
P-0-0541, C2100 Brake check command
•
P-0-0542, C2000 Command Release motor holding brake
•
P-0-0543, C3800 Command Apply motor holding brake
•
P-0-0544, C3900 Command Abrasion of brake
•
P-0-0545, Test torque for releasing motor holding brake
•
P-0-0546, Starting torque for releasing motor holding brake
•
P-0-0547, Test torque with holding brake applied
•
C2001 Command not enabled
•
C2101 Brake check only possible with drive enable
•
C2103 Brake torque too low
•
C2104 Command execution not possible
•
C3800 Command Apply motor holding brake
•
C3900 Command Abrasion of brake
•
C3901 Abrasion of brake only possible with drive enable
•
C3902 Error during abrasion of brake
•
C3903 Command execution impossible
•
E2069 Brake torque too low
•
F2069 Error when releasing the motor holding brake
•
F6024 Maximum braking time exceeded
Hardware Requirements
The motor holding brake is controlled via a controller-internal relay
contact. Voltage supply is realized by the controller via the 24V control
voltage. The holding brake must be suited for the voltage that is output,
the holding brake current mustn’t exceed the allowed maximum value of
the respective device (see documentation "Project Planning Manual of
controllers"), if necessary the holding brake has to be controlled
separately.
Note:
The optionally available holding brakes of Rexroth motors can
be directly controlled via the controller!
Functional Description
With IndraDrive it is possible to control both self-releasing (electrically
holding) and self-holding (electrically releasing) motor holding brakes. The
controller is informed of the brake type via the respective bit in parameter
P-0-0525, Holding brake control word
.
When drive enable (AF) is set by the control unit the releasing of the
holding brake is activated. The brake is released with a delay, due to the
inductance of the brake winding. The controller is informed on this delay
via
S-0-0206, Drive on delay time
.
In order to avoid wear of the brake the command value acceptance is
blocked within this delay. Only then does the controller signalize the
control unit by means of a bit in the respective status word (e.g.
S-0-0135,
Drive status word
for SERCOS) that it is ready to move.
Pertinent Diagnostic Messages
Releasing the Holding Brake
Courtesy
of
CMA/Flodyne/Hydradyne
▪
Motion
Control
▪
Hydraulic
▪
Pneumatic
▪
Electrical
▪
Mechanical
▪
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426-5480
▪
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