Panasonic MDDDT5540 Operating Manual

Also see for MDDDT3530P: Instruction manual

Contents

Panasonic MDDDT5540 Operating Manual Manual pdf 60 page image

- 60 -Protective FunctionsWhat are the Protective Functions?The amplifier has various protective functions. When one of the protections is activated, the motortrips according to the timing chart shown in "Error Handling" in Appendix, and the Servo AlarmOutput (ALM) is turned off.Actions to be taken after trip events• After a trip event, the status LED (STATUS) on the front panel will be turned in red, and the alarmcode LED display (ALM CODE) will start flashing. No servo-ON occurs.For meaning of flashing of alarm code LED, see page 49.• Any trip status can be cleared by keeping A-CLR (Alarm Clear Input) on for at least 120 ms.• The overload protection can be cleared by A-CLR at least 10 seconds after the occurrence of theevent. If the main power supply of amplifier turns off, the time limiting operation is cleared.• The alarms mentioned above can also be cleared by using PANATERM “ .< N o t e s >Protections marked with * cannot be cleared with A-CLR (Alarm Clear Input). They should becleared by turning the power off, removing the causes, and then turning the power on again.Alarms of undervoltage protection (Alarm Code No. 11), EEPROM parameter error protection(Alarm Code No. 36), EEPROM check code error protection (Alarm Code No. 37) and driveinhibit input protection (Alarm Code No. 38) are not stored in the Alarm History.