Usage [A]; Diagnostic Procedure - Mitsubishi Electric MR-J5 Series User Manual

Usage [A]

To enable the diagnostic mode, set "1" (enabled) in [Pr. PC60.4 Encoder communication circuit diagnosis mode selection] and
cycle the power. Remove the encoder cable at power off. During diagnosis mode, [AL. 118.1 Encoder communication circuit
diagnosis in progress] occurs. Perform the diagnose in accordance with the display shown on the encoder communication
circuit diagnostic screen of MR Configurator2.
Servo Symbol
parameter
PC60.4 **COPD

Diagnostic procedure

Perform the encoder communication circuit diagnosis, in accordance with the following procedure.
Enable the encoder communication circuit self diagnosis mode.
Turn off the power.
When a two-wire type encoder cable is not used,
disconnect the encoder cable.
Turn on the power.
Start the diagnosis by following the instructions on MR Configurator2.
Does the encoder communication circuit
Replace the servo amplifier.
4 APPLICABLE FUNCTION
220
4.14 Encoder communication diagnosis function
Name Outline
Encoder communication Enable or disable the encoder communication circuit diagnosis mode.
circuit diagnosis mode [AL. 118 Encoder communication circuit diagnosis in progress] occurs during the encoder
selection communication circuit diagnosis mode.
0: Encoder communication circuit diagnosis mode disabled
1: Encoder communication circuit diagnosis mode enabled
Initial value: 0h
have a failure?
Failure
No failure
The communication circuit of the servo amplifier operates properly.
Disable the encoder communication circuit self diagnosis mode.
Replace the encoder and its cable.