JVL A/S - User Manual - Integrated Servo Motors MAC050 - 4500 37
2.7 Error messages and error handling
2.7.2 Monitoring errors and warnings
When using the MacTalk PC-program any error or warning is shown in ’Status’ field at
the main tab.
2.7.3 Error message ’Overload’
The following list show the possible error messages, the cause of the error and possible
actions to prevent the error from happening.
Each error can also be monitored by reading the error status register (register 35) by us-
ing software packages like the OCX driver or MacRegIO.
Message no. / Message
1 / ’Overload’
Type / Motor action Unrecoverable error / Motor is set in passive mode.
Error condition The calculated accumulated load of the motor and electronics
above limit. The actual level of losses can be observed in the
’Motor load (mean)’ field (see the screen dump above).
Possible cause of this error
The motor has been loaded above maximum continuous
torque rating for too long time, causing a critical internal tem
-
perature.
Solutions to avoid error - Reduce average motor load.
- Reduce the speed and/or acceleration.
- Adjust servo filter to a stable behaviour during any event.
- Make sure that the supply voltage is at the specified level.
How to return to normal
operation
- Reset the motor, clear the error bit(s) in register 35 or cycle
the power.
Error bit / Firmware name Bit 0 / ’I2T_ERR’
General error and warning monitoring area
Actual error(s) are shown here if any
Warnings and status information are presented here
In this area actual values for the motor operation is
monitored continously. Most of these monitored
values will trip a corresponding error message.
Example : The error message ‘Overload’ will be
tripped if the the monitored value ‘Motor load (mean)’
gets above 99%. Therefore make sure that the value
during normal operation have a proper margin to 100%.
TT1170GB
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