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8-51
8-6 Extended Parameters
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
8
Parameters Details
Immediate Stop Operation when an Alarm that Supports Immediate Stop is Generated
Œ
If the actual speed is not 30 r/min or less after the time set by the Alarm Generation Allowable Time Setting
(Pn614) elapses, an immediate alarm status will occur. In addition, if an alarm that does not support
immediate stop occurs inside the driver at immediate stop, an immediate alarm status will occur.
Œ
Set the allowable overspeed level to Pn615, "Overspeed Detection Level Setting at Immediate
Stop," as a protective measure against runaway at an immediate stop. Err26.1, "overspeed 2," if
it occurs, will cause an immediate error trip because it is an error that does not support immediate
stop. However, if the setting is below Pn513, "Overspeed Detection Level Setting," an immediate
stop will not take place because Err26.1, "overspeed 2," will occur before Err26.0, "overspeed."
In addition, if Err26.0 and Err26.1 are detected at the same time, Err26.0 will be displayed.
However, an immediate stop will not take place because Err26.1 has also occurred internally.
Œ
Set the torque limit for the following cases.
• Drive prohibition deceleration with the Stop Selection for Drive Prohibition Input (Pn505) set to 2.
• Deceleration with the Stop Selection with Main Power Supply OFF (Pn507) set to 8 or 9.
• Deceleration with the Stop Selection with Servo OFF (Pn506) set to 8 or 9.
Œ
The normal torque limit will be used if this parameter is set to 0.
Œ
Set the overload detection level.
Torque limit
Speed
[r/mn]
Time
Alarm status (Operation after the stop:
Dynamic brake/free-run)
Immediate stop
undefined Normal operation (command from the host)
Speed command
Motor speed
Normal torque limit Normal torque limit
An alarm that supports
immediate stop is generated. No alarm generation
Alarm
Stop
judgment
speed
(30 r/min)
Immediate stop time
Overspeed protection
threshold
For normal operation For normal operation
Pn615 Overspeed Detection Level Setting at Immediate Stop
(Protection from runaway at an immediate stop)
Set the Overspeed Detection Level Setting
at Immediate Stop (Pn615) to the Overspeed
Detection Level Setting (Pn513) or higher.
Pn511 immediate Stop Torque
(Measure to lessen the impact at an immediate stop)
Pn511
Immediate Stop Torque
Setting
range
0 to 500 Unit %
Default
setting
0
Power OFF
and ON
−
All
Pn512
Overload Detection Level Setting
Setting
range
0 to 500 Unit %
Default
setting
Power OFF
and ON
−
All