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Bosch Rexroth IndraDrive MPH-02 Functional Description page 285

Firmware for drive controllers
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MPH-02, MPB-02, MPD-02
Realizing Travel Range
Monitoring
Features of Travel Range Limit
Features of Position Limit
Pertinent Parameters
Pertinent Diagnostic Messages
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
The drive provides two possibilities of determining and monitoring a
limitation of the working range (travel range):
• monitoring position limit values (software limit switch)
Monitoring the motor position for exceeding one of the two position
limit values (positive/negative → S-0-0049/S-0-0050) by the homed
actual position value (S-0-0403), i.e. value related to the machine zero
point.
• monitoring travel range limit switches
Monitoring for activation of one of the two travel range limit switches
(Limit+, Limit-) that are connected to the digital inputs of the drive.
Note:
The functionality of the travel range limit switches is only
guaranteed if the respective digital inputs have been
configured for this purpose!
See "Digital Inputs/Outputs" in chapter "Extended Drive
Functions"
• 2 travel range limit switches (Limit+, Limit-) monitored at the drive
Switch
• signal behavior of travel range limit switches (N/C and N/O) can be set
• travel range limit switches activated via parameter
• reaction (error/warning) when exceeding travel range can be set
• status display of travel range limit switches
• command values monitored for validity when limit switch activated
• travel range limit switches evaluated and position limit value monitor
activated in 2 ms clock
• 2 position limit values ("software limit switch") that can be
Values
parameterized; only operational when axis has been homed
• reaction (error/warning) when exceeding position limit values can be
set
• position limit values activated via parameter
• automatic reference to measuring system that has been homed
• command values monitored for validity when position limit values
exceeded
• S-0-0012, Class 2 diagnostics
• S-0-0049, Positive position limit value
• S-0-0050, Negative position limit value
• S-0-0055, Position polarities
• S-0-0147, Homing parameter
• S-0-0403, Position feedback value status
• P-0-0090, Travel range limit parameter
• P-0-0222, Travel range limit switch inputs
• E2053 Target position out of travel range
• E8029 Positive position limit exceeded
• E8030 Negative position limit exceeded
• E8042 Both travel range limit switches activated
• E8043 Positive travel range limit switch activated
• E8044 Negative travel range limit switch activated
6-73
Drive Control

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