Protective Function; Alarm Type - Fastech Ezi-Servo Plus-R User Manual

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
Alarm Name
count
1
Overcurrent
2
Overspeed
3
Position Tracking
4
Overload
5
Overheat
6
Over regeneratived
voltage
7
Motor connection
8
Encoder connection
9
Motor voltage error
10
Inposition error
11
System error
12
ROM error
15
Pos. Error Overflow
*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]
The current through power devices in inverter exceeds the limit value
Command speed for motor exceeds 3300[rpm].
Position error value is higher than specified value in position command
status . *2
The motor is continuously operated more than 5 second under a load
exceeding the max. torque.
The internal temperature of the drive exceeds 85℃.
Back-EMF more than limit value.
The connection of drive and motor is defective.
The connection of drive and encoder is defective.
The power supplied to the motor is less than low limit
After operation is finished, a position error occurs.
Drive system is halted(Watch Dog Timer).
Read/Write error on ROM device in drive system.
Position error value is higher than specified value*1 in motor stop status.
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Description
*3
value.*4
*1
*5