8.3 Precautions to Ensure Safe Tuning
8.3.3 Setting the Position Deviation Overflow Alarm Level at SERVO ON
8-7
8.3.3
Setting the Position Deviation Overflow Alarm Level at
SERVO ON
If there is a large position deviation during the SERVO ON state, the Servomotor will attempt to
return to the original position to bring the position deviation to 0, which may create a hazardous
situation. To prevent this, you can set a position deviation overflow alarm level at SERVO ON to
restrict operation.
The related parameters and alarms are given in the following tables.
Related Parameters
Related Alarms
Refer to the following section for information on troubleshooting alarms.
10.1.7 Alarm Reset on page 10-18
Pn526
Position Deviation Overflow Alarm Level at SERVO ON
Setting Range Setting Unit Default Setting When Enabled Classification
1 to 1,073,741,823 1 reference unit 25,600 Immediately Setup
Pn528
Position Deviation Overflow Warning Level at SERVO ON
Setting Range Setting Unit Default Setting When Enabled Classification
10 to 100 1% 100 Immediately Setup
Pn529
Speed Limit Level at SERVO ON
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 10,000
1 min
-1
10,000 Immediately Setup
Alarm Number Alarm Name Alarm Meaning
A.D01
Position Deviation
Overflow Alarm at
SERVO ON
This alarm occurs in the SERVO ON state after the position devia-
tion exceeded the setting of Pn526 (Excessive Position Deviation
Alarm Level at SERVO ON) in the SERVO OFF state.
A.D02
Position Deviation
Overflow Alarm for
Speed Limit at
SERVO ON
If position deviation remains in the deviation counter, the setting of
Pn529 (Speed Limit Level at SERVO ON) will limit the speed in the
SERVO ON state. This alarm occurs if reference pulses are input
and the setting of Pn520 (Excessive Position Deviation Alarm Level)
is exceeded.
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