Mitsubishi QD75M2 User Manual

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MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
Check point Corrective action
Regenerative resistor brake option
30102 30202 30203 30204
Optional function 1
30123 30223 30323 30423
Set correctly.
• Change the drive unit or cooling fan.
• Reduce ambient temperature.
The drive method is reviewed.
— — — —
Change the drive unit or cooling fan.
Review environment so that ambient temperature
is 0 to 40°C.
• Reduce load.
• Review operation pattern.
• Use servomotor that provides larger output.
— — — —
Change the servomotor.
— — — —
• Reduce load.
• Review operation pattern.
• Use servomotor that provides larger output.
Auto tuning
30108 30208 30308 30408
Servo response
30109 30209 30309 30409
• Repeat acceleration/deceleration to execute
"
Pr.108
Auto tuning".
• Change "
Pr.109
Servo response" setting.
• Set "
Pr.108
Auto tuning" to OFF and make gain
adjustment manually.
Input signal logic selection
31 181 331 481
• Review operation pattern.
• Install limit switches.
— — — —
Connect correctly.
— — — —
When the servomotor shaft is
rotated with the servo off,
the cumulative feedback pulses
should vary in proportion to the
rotary angle. If the indication skips
or returns midway the encoder if
faulty.
Change servomotor.

Mitsubishi QD75M2 Specifications

General

Brand	Mitsubishi
Model	QD75M2
Category	Controller
Language	English