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

Usage [A]

To enable the diagnosis 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 the diagnosis mode, [AL. 118.1 Encoder communication
circuit diagnosis in progress] occurs. Perform the diagnosis in accordance with the items displayed on the encoder
communication circuit diagnosis 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
have a failure?
Replace the servo amplifier.
Name
Encoder communication circuit
diagnosis mode selection
No failure
Failure
Outline
Enable or disable the encoder communication circuit diagnosis mode.
[AL. 118.1 Encoder communication circuit diagnosis in progress] occurs during the
encoder communication circuit diagnosis mode.
0: Encoder communication circuit diagnosis mode disabled
1: Encoder communication circuit diagnosis mode enabled
Initial value: 0h
The communication circuit of the servo amplifier operates properly.
Disable the encoder communication circuit self diagnosis mode.
Replace the encoder and its cable.
4.16 Encoder communication diagnosis function
4 APPLICABLE FUNCTIONS
4
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