[Al. 056_Forced Stop Error] - Mitsubishi Electric MR-J5-G Series User Manual

[AL. 056_Forced stop error]

• The servo motor failed to decelerate normally during a forced stop deceleration.
[AL. 056.2_Over speed during forced stop]
Cause
1.
The forced stop deceleration time constant is
short.
2.
The torque limit has been enabled.
3.
The servo system is unstable and oscillating.
4.
The encoder or linear encoder has
malfunctioned.
[AL. 056.3_Estimated excess distance during forced stop]
Cause
1.
The forced stop deceleration time constant is
short.
2.
The torque limit has been enabled.
3.
The encoder or linear encoder has
malfunctioned.
[AL. 056.5_Travel distance exceeded during forced stop 2]
Page 71 [AL. 056.2_Over speed during forced stop]
Check/action method
Set a larger value in "Deceleration time constant at forced stop", then check
the repeatability. If the error does not repeat, adjust the deceleration time
constant.
[A]: [Pr. PC51 Deceleration time constant at forced stop]
[G] [WG]: [Pr. PC24 Deceleration time constant at forced stop]
If the torque has been limited, review the torque limit value.
Check the torque ripple with MR Configurator2.
If the torque ripple is vibrating, adjust the servo gain with the auto tuning. Set
the machine resonance suppression filter.
Replace the servo motor or linear encoder.
Check/action method
Set a larger value in "Deceleration time constant at forced stop", then check
the repeatability. If the error does not repeat, adjust the deceleration time
constant.
[A]: [Pr. PC51 Deceleration time constant at forced stop]
[G] [WG]: [Pr. PC24 Deceleration time constant at forced stop]
If the torque has been limited, review the torque limit value.
Replace the servo motor or linear encoder.
1 SERVO AMPLIFIER TROUBLESHOOTING
1.3 Handling methods for alarms/warnings
1
Model
[A]
[G]
[WG]
Model
[A]
[G]
[WG]
71