E8055 Motor Overload, Current Limit Active - Bosch Rexroth IndraDrive Troubleshooting Manual
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Also See for Rexroth IndraDrive:
- Applications manual (100 pages) ,
- Project planning manual (128 pages) ,
- Instruction manual (26 pages)
Table of Contents
8-10
Warning Diagnostic Messages (Exxxx)
E8055 Motor overload, current limit active
Cause
Too high acceleration torque/too high acceleration
force demanded
Overload of drive by too high continuous load
Too high process or machining force (e.g. infeed)
Mechanical changes in axis (e.g. friction, load
conditions,...)
LSA Control S.L. www.lsa-control.com [email protected] (+34) 960 62 43 01
Supported by Firmware Variant:
In order to protect the motors against thermal destruction in the case of
peak loads occurring for a very short time, the thermal work load of the
motor is continuously calculated in the controller by means of a motor
temperature model.
If the maximum possible motor current is reduced, due to the current
thermal motor load, compared to the content of S-0-0109, Motor peak
current, the drive generated the warning E8055. As a consequence
thereof the drive can no longer follow the command values preset by a
control unit.
Note:
When the E8055 warning is active, bit 0 (overload warning) is
additionally set in S-0-0012, Class 2 diagnostics.
Remedy
Reduce acceleration by adjusted command value profile
Reduce overload in the case of long machining phases
Reduce process or machining force
Check mechanical system and, if necessary, optimize
load conditions and/or friction conditions
See also Functional Description "Current Limitation"
E8055 - Attributes
Display:
E8055
Mess. no.:
E8055 (hex)
Rexroth IndraDrive
FWA-INDRV*-MPH02VRS-MS
FWA-INDRV*-MPB02VRS-MS
FWA-INDRV*-MPD02VRS-MS
DOK-INDRV*-GEN-**VRS**-WA01-EN-P
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