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8-49
8-6 Extended Parameters
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
8
Parameters Details
Explanation of Set Values
If an error occurs when the main power supply is turned OFF, the operation will be based on the Stop
Selection for Alarm Generation (Pn510). If the main power supply is turned OFF when Servo is ON,
and if the Undervoltage Alarm Selection (Pn508) is set to 1, Err13.1, "main power supply undervoltage
(AC cut-off detection)," will occur. Follow the Stop Selection for Alarm Generation (Pn510).
*1. Immediate stop refers to applying control while servo is still ON and stopping the operation immediately.
At that time, the torque command value is restricted by the Immediate Stop Torque (Pn511).
*2. If the position command is given or the motor runs continuously when the main power supply is turned OFF, the
position error accumulates and Err24.0, "error counter overflow," may occur. In addition, if servo is turned ON when
the position error or external scale error is a large value, the motor may operate abruptly to perform a control operation
to bring the error to 0. Take sufficient care when using while holding the position error or external scale error.
*3. Decelerating refers to a period between when the motor is running and when the motor speed reaches
30 r/min or less. Once the motor reaches a speed of 30 r/min or less and moves to the after stop
status, follow the subsequent operation based on the after stop status regardless of the motor speed.
*4. The position error or external scale error will always be cleared to 0.
Explanation of Set Values
Set main power supply alarm detection time.
The main power supply OFF detection will be disabled if this is set to 2,000.
Pn507
Stop Selection with Main Power Supply OFF
Setting
range
0 to 9
Unit
−
Default
setting
0
Power OFF
and ON
−
All
Set
value
Explanation
During deceleration *
3
After stopping
Error counter
0
Dynamic brake operation
Dynamic brake operation
Clear *
4
1
Free-run
Dynamic brake operation
Clear *
4
2
Dynamic brake operation
Servo unlocked
Clear *
4
3
Free-run
Servo unlocked
Clear *
4
4
Dynamic brake operation
Dynamic brake operation
Hold *
2
5
Free-run
Dynamic brake operation
Hold *
2
6
Dynamic brake operation
Servo unlocked
Hold *
2
7
Free-run
Servo unlocked
Hold *
2
8
Immediate stop *
1
Dynamic brake operation
Clear *
4
9
Immediate stop *
1
Servo unlocked
Clear *
4
Pn508
Undervoltage Alarm Selection
Setting
range
0 to 1
Unit
−
Default
setting
Power OFF
and ON
−
All
Set value
Explanation
0
Turn the servo OFF based on the setting of the Stop Selection with Main Power Supply OFF
(Pn507) and turn it back to servo ON by turning ON the main power supply.
1
Err13.1 "main power supply undervoltage" will occur and a trip will be caused.
Pn509
Momentary Hold Time
Setting
range
70 to 2,000
Unit
1 ms
Default
setting
Power OFF
and ON
Yes
All
Содержание OMNUC G5
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