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3. SIGNALS AND WIRING
3.5 Alarm occurrence timing chart
CAUTION
When an alarm has occurred, remove its cause, make sure that the operation
signal is not being input, ensure safety, and reset the alarm before restarting
operation.
As soon as an alarm occurs, turn off Servo-on (SON) and power off the power
supply.
When an alarm occurs in the servo amplifier, the base circuit is shut off and the servo motor is coated to a
stop. Switch off the power supply in the external sequence. To reset the alarm, switch the power supply from
off to on, press the "SET" button on the current alarm screen, or turn the reset (RES) from off to on. However,
the alarm cannot be reset unless its cause is removed.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
2s
Brake operation
50ms or more
60ms or more
Alarm occurs.
Remove cause of trouble.
Brake operation
Power off
Power on
Valid
Invalid
Power supply
Base circuit
Dynamic brake
Servo-on
(SON)
Reset
(RES)
Ready
(RD)
Trouble
(ALM)
(Note)
Note. Shut off the power as soon as an alarm occurs.
(1) Overcurrent, overload 1 or overload 2
If operation is repeated by switching power off, then on to reset the overcurrent (AL.32), overload 1
(AL.50) or overload 2 (AL.51) alarm after its occurrence, without removing its cause, the servo
amplifier and servo motor may become faulty due to temperature rise. Securely remove the cause of
the alarm and also allow about 30 minutes for cooling before resuming operation.
(2) Regenerative error
If operation is repeated by switching power off, then on to reset the regenerative (AL.30) alarm after
its occurrence, the external regenerative resistor will generate heat, resulting in an accident.
(3) Instantaneous power failure
Undervoltage (AL.10) occurs when the input power is in either of the following statuses.
A power failure of the control circuit power supply continues for 60ms or longer and the control
circuit is not completely off.
The bus voltage dropped to 200VDC.
(4) In position control mode (incremental)
When an alarm occurs, the home position is lost. When resuming operation after deactivating the
alarm, make a home position return.
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Summary of Contents for EZMOTION MR-E Super MR-E-10A-QW003
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Page 31: ...2 4 2 INSTALLATION MEMO www DataSheet4U com ...
Page 85: ...4 6 4 OPERATION MEMO www DataSheet4U com ...
Page 115: ...5 30 5 PARAMETERS MEMO www DataSheet4U com ...
Page 149: ...8 10 8 SPECIAL ADJUSTMENT FUNCTIONS MEMO www DataSheet4U com ...
Page 163: ...10 12 10 TROUBLESHOOTING MEMO www DataSheet4U com ...