[Al. 08E_Serial Communication Error] - Mitsubishi Electric Melservo-J5 MR-J5 Series User Manual

[AL. 08E_Serial communication error]

• A communication error occurred between the servo amplifier and a personal computer or controller.
• An error occurred in Mitsubishi Electric serial communication (USB communication).
[AL. 08E.1_Serial communication receive error]
Cause
1.
The setting of the personal computer or other
equipment is incorrect.
2.
A communication cable is malfunctioning.
3.
The servo amplifier is malfunctioning.
4.
There is an abnormality in the surrounding
environment.
[AL. 08E.2_Serial communication checksum error]
Cause
1.
The setting of the personal computer or other
equipment is incorrect.
[AL. 08E.3_Serial communication character error]
Cause
1.
An unspecified character is transmitted.
2.
The communication protocol has a problem.
3.
The setting of the personal computer or other
equipment is incorrect.
[AL. 08E.4_Serial communication command error]
Cause
1.
An unspecified command is transmitted.
2.
The communication protocol has a problem.
3.
The setting of the personal computer or other
equipment is incorrect.
[AL. 08E.5_Serial communication data number error]
Cause
1.
An unspecified data number is transmitted.
2.
The communication protocol has a problem.
3.
The setting of the personal computer or other
equipment is incorrect.
Check/action method
Check the setting of the personal computer and others.
Check the communication cable, and then check the repeatability.
Replace the servo amplifier, and then check the repeatability.
Check the power supply for noise. If there is noise, take countermeasures to
reduce the noise.
Check if the connector is shorted.
Refer to "Noise reduction techniques" in the following manual.
MR-J5 User's Manual (Hardware)
Check/action method
Check the setting of the personal computer and others.
Check/action method
Check the character code at the time of transmission. If an unspecified
character is transmitted, correct the transmission data.
Check if the transmission data conforms to the communication protocol.
Check the setting of the personal computer and others.
Check/action method
Check the command at the time of transmission. If an unspecified command is
transmitted, correct the transmission data.
Check if the transmission data conforms to the communication protocol.
Check the setting of the personal computer and others.
Check/action method
Check the data number at the time of transmission. If an unspecified data
number is transmitted, data number is out of specifications, correct the
transmission data.
Check if the transmission data conforms to the communication protocol.
Check the setting of the personal computer and others.
1 SERVO AMPLIFIER TROUBLESHOOTING
1.3 Handling methods for alarms/warnings
1
Model
[A]
[G]
[WG]
Model
[A]
[G]
[WG]
Model
[A]
[G]
[WG]
Model
[A]
[G]
[WG]
Model
[A]
[G]
[WG]
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