Mitsubishi Electric Melservo-J5 MR-J5 Series User Manual page 29

[AL. 020.6_Encoder normal communication - Transmission data error 2]
Cause
1.
When an A/B/Z-phase differential output linear
encoder is used, the wiring of the linear
encoder has an error.
2.
There is an error in the encoder cable.
3.
The external conductor of the encoder cable is
not connected to the ground plate of the
connector.
4.
When an A/B/Z-phase differential output linear
encoder is used, the servo parameter setting
is incorrect.
5.
The servo amplifier is malfunctioning.
6.
The encoder is malfunctioning.
7.
There is an abnormality in the surrounding
environment.
[AL. 020.7_Encoder normal communication - Transmission data error 3]
Page 26 [AL. 020.1_Encoder normal communication - Receive data error 1]
Check/action method
Check if the Z-phase pulse signals (PZ and PZR) of the encoder cable are
disconnected or shorted.
Refer to "A/B/Z-phase differential output linear encode" in the following
manual.
MR-J5 Partner's Encoder User's Manual
Page 26 [AL. 020.1_Encoder normal communication - Receive data error
1]
1 SERVO AMPLIFIER TROUBLESHOOTING
1.3 Handling methods for alarms/warnings
1
Model
[A]
[G]
[A]
[G]
[WG]
27