Mitsubishi Electric Melservo-J4 Instruction Manual page 58

Alarm No.: 35
Alarm content
Detail Detail name
No.
35.1 Command
frequency error
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
56
1.4 Remedies for alarms
Name: Command frequency error
 Input pulse frequency of command pulse is too high.
Cause Check method
(1) The command pulse Check the command
frequency is high. pulse frequency.
(2) The setting of Check if the command
"Command input pulse pulse frequency is within
train filter selection" in the setting range of the
[Pr. PA13] is not correct. filter.
(3) Inputted frequency with Check the inputted
a manual pulse frequency of the manual
generator is high. pulse generator.
(4) The command from the Check if the command
controller is excessive. from the controller is the
permissible speed or
higher.
(5) The controller is Replace the controller,
malfunctioning. and then check the
repeatability.
(6) The command pulse Check the command
frequency is high when pulse frequency.
the synchronous
encoder axis is
selected.
(7) Something near the Check the noise, ambient
device caused it. temperature, etc.
Check result Action
The command pulse Check operation pattern.
frequency is high.
The command pulse Check (2).
frequency is low.
It is out of setting range. Review the filter setting.
It is within the setting Check (6).
range.
The command pulse Reduce the inputted
frequency is high. frequency of the manual
pulse generator.
The command pulse Check (6).
frequency is low.
It is the permissible Check operation pattern.
speed or higher.
It is lower than the Check (5).
permissible speed.
It is not repeatable. Replace the controller.
It is repeatable. Check (6).
The command pulse Check operation pattern.
frequency is high.
The command pulse Check (7).
frequency is low.
There is a problem in the Take countermeasures
surrounding. against its cause.
Target
[A]
[B]
[WB]
[RJ010]
[GF]
[GF]
[A]
[B]
[WB]
[RJ010]
[GF]