6 Adjustments
6.1.4 Safety Precautions on Adjustment of Servo Gains
6-10
(5) Excessive Position Error Alarm Level at Servo ON
If Pn200.2 (Clear Operation) is set to a value other than zero, pulses used to determine position errors may
remain. If the servo is then turned ON, the servomotor will move to return to the home position and change the
number of pulses to zero. To prevent the servomotor from moving suddenly, select the appropriate level for the
Excessive Position Error alarm when the servo is ON to restrict operation of the servomotor.
Related Parameters
Related Alarm
When an alarm occurs, refer to 10 Troubleshooting and take the corrective actions.
Pn526
Excessive Position Error Alarm Level at Servo ON
Classification
Setting Range Setting Unit Factory Setting When Enabled
1 to 1073741823
(2
30
-1)
1 reference unit 5242880 Immediately Setup
Position
Pn528
Excessive Position Error Warning Level at Servo
ON
Classification
Setting Range Setting Unit Factory Setting When Enabled
10 to 100 1% 100 Immediately Setup
Pn529
Speed Limit Level at Servo ON
Classification
Setting Range Setting Unit Factory Setting When Enabled
0 to 10000
1 min
-1
10000 Immediately Setup
Position
Position
Alarm
Display
Alarm Name Description
A.d01
Position Error Pulse
Overflow Alarm at Servo
ON
Occurs if the /S_ON signal is turned ON when the number of position error
pulses is greater than the set value of Pn526.
A.d02
Position Error Pulse
Overflow Alarm by
Speed Limit at Servo ON
After a position error pulse has been input, Pn529 limits the speed if the
/S_ON signal is turned ON. If Pn529 limits the speed in such a state, this
alarm occurs when reference pulses are input and the number of position
error pulses exceeds the value set for parameter Pn520 (Excessive Position
Error Alarm Level).
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