Fastech Ezi-Servo ALL, Руководство пользователя, Страница: 90 / 100

9.1. Alarm Type
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9. Protective Function
9.1 Alarm Type
When an alarm occurs while the controller is operating, a red LED among status display LEDs flash
and the following protective function will be displayed according to the number of LED flash
counting.(for Ezi-SERVO Plus-R)
Flash
count
Alarm Name Description
1
Overcurrent The current through power devices in inverter exceeds the limit value *1
2
Overspeed Command speed for motor exceeds 3300[rpm].
3
Position Tracking
Position error value is higher than specified value in position command
status . *2
4
Overload
The motor is continuously operated more than 5 second under a load
exceeding the max. torque.
5
Overheat The internal temperature of the drive exceeds 85
℃
.
6
Over regeneratived
voltage
Back-EMF more than limit value. *3
7
Motor connection The connection of drive and motor is defective.
8
Encoder connection The connection of drive and encoder is defective.
9
Motor voltage error The power supplied to the motor is less than low limit value. *4
10
Inposition error After operation is finished, a position error occurs.
11
System error Drive system is halted(Watch Dog Timer).
12
ROM error Read/Write error on ROM device in drive system.
15
Pos. Error Overflow Position error value is higher than specified value*1 in motor stop status. *5
*1 4.5A : EzS-NDR-20, EzS-NDR-28, EzS-NDR-42, EzS-NDR-56, EzS-NDR-60, Ezi-SERVO ALL series
9A : EzS-NDR-86 series
*2 Value of ‘Pos Tracking Limit[No.27]’ parameter[pulse]
*3 50V : EzS-NDR-MI-20, EzS-NDR-MI-28, EzS-NDR-MI-42, Ezi-SERVO ALL series
70V : EzS-NDR-20, EzS-NDR-28, EzS-NDR-42, EzS-NDR-56, EzS-NDR-60 series
90V : EzS-NDR-86 series
*4 20V : EzS-NDR-20, EzS-NDR-28, EzS-NDR-42, EzS-NDR-56, EzS-NDR-60, Ezi-SERVO ALL series
40V : EzS-NDR-86 series
*5 Value of ‘Pos Error Overflow Limit[No.33]’ parameter[pulse]