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Omron G5 Series User Manual

Omron G5 Series
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7 - 47
7 Parameter Details
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
7-6 Extended Parameters
7
Immediate Stop Operation when an Alarm that Supports Immediate Stop
Occurred
If the actual rotation speed is not lower than 30 r/min even when the time set in Alarm Detection
Allowable Time Setting (Pn614) has elapsed, an alarm state will occur immediately. In addition, if an
alarm that does not support the immediate stop function occurs in the Servo Drive during an
immediate stop, an alarm state will occur immediately.
To prevent the Servomotor from running out of control during an immediate stop, set an allowable
overspeed level in Overspeed Detection Level Setting at Immediate Stop (Pn615). An Overspeed 2
alarm (Alarm No. 26.1) does not support the immediate stop function and, if it occurs, causes an
alarm trip. However, if this allowable level is lower than the value set in Overspeed Detection Level
Setting (Pn513), the Servomotor does not stop immediately because the Overspeed 2 alarm (Alarm
No. 26.1) occurs before the Overspeed alarm (Alarm No. 26.0).
The Servomotor also does not stop immediately if Alarm No. 26.0 and Alarm No. 26.1 are detected
simultaneously because, even though Alarm No. 26.0 is indicated, Alarm No. 26.1 is also generated
internally.
Set the torque limit for the following cases.
During deceleration with Stop Selection for Drive Prohibition Input (Pn505) set to 2
During deceleration with Stop Selection with Main Power Supply OFF (Pn507) set to 8 or 9
During deceleration with Stop Selection with Servo OFF (Pn506) set to 8 or 9
The normal torque limit is used if this parameter is set to 0.
The unit is 0.1% of the rated torque.
Pn511
Immediate Stop Torque
Setting
range
0 to 500 Unit % Default
setting
0
Cycle the
power supply
Torque Limit
Time
Alarm state (Action after stopping:
Dynamic brake or free-run)
Immediate
stop operation
Immediate stop time
Normal operation (command from host)
Normal torque limit
An alarm that supports
immediate stop occurred
No alarm generation
A
larm
(30 r/min)
Overspeed
protection
threshold
For normal operationFor normal operation
Immediate Stop Torque (Pn511)
(Shock mitigation during immediate stop)
Speed
[r/min]
Speed at which Servomotor
is judged as stopped
Speed command
Motor speed
Normal torque limit
Overspeed Detection Level Setting at Immediate Stop
(Pn615) (Protection from runaway at immediate stop)
Set Overspeed Detection Level Setting at
Immediate Stop (Pn615) to a value equal to or
greater than the value set in Overspeed Detection
Level Setting (Pn513).
All

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Omron G5 Series Specifications

General IconGeneral
FeedbackIncremental Encoder, Absolute Encoder
CommunicationEtherCAT
Safety FunctionSTO (Safe Torque Off)
Protection FunctionsOvervoltage, Undervoltage, Overcurrent
Vibration Resistance4.9 m/s² (10 to 55 Hz)

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