Mitsubishi A1SD75M3 User Manual page 619

14 TROUBLESHOOTING
Relevant buffer memory
address
Axis 1 Axis 2 Axis 3
Refer to section "5.2.7
Servo parameters for MR-
H-B (MR-H-BN)".
Servo response setting
109 259 409
When the servomotor shaft is rotated slowly
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 is faulty.)
Checking method
14 - 31
Remedy
Connect correctly.
Change the cable.
Take noise suppression measures.
Connect correctly.
Change the command pulse frequency to a proper value.
Take noise suppression measures.
Connect correctly.
Change the cable.
Change the servo amplifier.
Connect correctly.
Change the servo amplifier.
Set correctly.
Change the servo amplifier.
Change the servo amplifier.
Review the operation method.
Review the cooling method.
Review environment so that ambient temperature is 0 to
40°C.
1. Reduce load.
2. Review operation pattern.
3. Use servomotor that provides larger output.
Change servomotor.
Change servomotor.
1. Reduce load.
2. Review operation pattern.
3. Use servomotor that provides larger output.
1. Repeat acceleration/deceleration to execute auto
tuning.
2. Change " Pr.109 Servo response setting".
3. Set auto tuning to OFF and make gain adjustment
manually.
1. Review operation pattern.
2. Install limit switches.
Connect correctly.
Change the servomotor.
MELSEC-A