Bosch Rexroth IndraDrive MPH-02 Functional Description page 139

MPH-02, MPB-02, MPD-02
Activating the Holding Brake
Function
Command "Brake Check"
Automatic Brake Check
Presetting the Brake Check
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Motor, Mechanical Axis System, Measuring Systems
In this parameter enter the determined time that the drive needs in order
to stop the axis out of maximum velocity at maximum inertia or mass with
maximum allowed brake torque or brake force. If necessary, increase the
determined time to make sure the axis really stops!
Danger of damaging the motor brake when
value in S-0-0273 is too low!
⇒ The value for S-0-0273, Maximum drive off delay
time must always be set higher than the time
CAUTION
needed to decelerate the axis by velocity command
value reset (if necessary with ramp), taking the
maximum possible velocity into account.
Enter holding brake data:
• S-0-0206, Drive on delay time
• S-0-0207, Drive off delay time
• P-0-0540, Torque of motor holding brake
Note: The holding brake data are ...
• entered automatically when switching the drive on, in the
case of Rexroth motors with encoder data memory!
• entered automatically only when loading the motor-specific
parameter values from the data base of the "DriveTop"
commissioning tool, in the case of Rexroth motors without
encoder data memory!
Configure holding brake control in:
• P-0-0525, Holding brake control word
The holding brake control is linked with drive enable and does not have to
be separately activated.
The control unit can activate the brake check by means of a command:
• P-0-0541, C2100 Brake check command
Property damage caused by drive-controlled
axis movements during brake check!
⇒ Before starting the command, move the axis to a
noncritical position!
CAUTION
The "brake check" function can also take place automatically, every time
drive enable is set and reset. The function is activated via the respective
bit in parameter
• P-0-0525, Holding brake control word
Check for brake released:
The status "holding brake released" is checked by the motor generating a
torque or force that sets the motor slightly in motion. The maximum value
can be preset in
• P-0-0545, Test torque for releasing motor holding brake.
5-15