Mitsubishi Q01CPU User Manual

12
TROUBLESHOOTING
12.2 Troubleshooting
12.2.30 When an error has occurred during MC protocol communication
12 - 49
9
EMC AND LOW VOLTAGE DIRECTIVES
10
LOADING AND INSTALLATION
11
MAINTENANCE AND INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
12.2.30 When an error has occurred during MC protocol communication
The following flowchart is provided to help you when an error has occurred during MC
protocol communication.
Completed
Was the command sent from
another device?
Send the command to QnUDE(H)CPU.
(To next page)
Was the error resolved?
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
YES
NO
YES
NO
According to the end code or error code, repair the
error part.
YES
NO
Correct the IP address and send the command again.
YES
NO
Communication error
Was a response
returned to the device that sent
the command?
Is the end code of the response "0"?
Is the IP address
specified in the command correct?
Are command
format specifications such as
command type, device,
or address correct?
Was the error resolved?
Was the error resolved?
Was the error resolved?
Correct the command format referring to the following
manual.
MELSEC Communication Protocol Reference Manual
Hardware fault
Please consult your local nearest Mitsubishi or
representative, explaining a detailed description of the
problem.

Mitsubishi Q01CPU Specifications

General

Brand	Mitsubishi
Model	Q01CPU
Category	Controller
Language	English