Mitsubishi Electric melsec q03ud(E)cpu, User Manual

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5.1.4
Error codes, end codes, and abnormal codes in MC protocol
communication
When an error occurs during MC protocol communication, an error code is sent from the CPU module to the external
device. The following table lists error codes, error descriptions, and corrective actions.
(1) When 4E frame or QnA-compatible 3E frame is used
Error code
(Hexadecimal)
Description Corrective action
4000
H
to 4FFF
H
Errors detected by the CPU module
(Errors occurred in other than MC protocol communication)
Refer to the following manual.
QCPU User's Manual(Hardware Design, Maintenance and
Inspection)
0050
H
A code other than specified ones is set to command/response type
of subheader.
• Check the command data of MC protocol and others.
• Perform communication again. If the same error occurs, please
consult your local Mitsubishi representative.
0055
H
Although online change is disabled, the connected device
requested the RUN-state CPU module for data writing. • Before enabling online change, write the data.
• Change the CPU module state to STOP and write the data.
C050
H
When "Communication Data Code" is set to ASCII Code, ASCII
code data that cannot be converted to binary were received.
• Select Binary Code for "Communication Data Code", and restart
the CPU module.
• Correct the send data of the connected device and resend the
data.
C051
H
to C054
H
The number of read or write points is outside the allowable range.
Correct the number of read or write points, and resend the data to
the CPU module.
C056
H
The read or write request exceeds the maximum address.
Correct the start address or the number of read or write points, and
resend the data to the CPU module.
(The maximum address must not be exceeded.)
C058
H
The request data length after ASCII-to-binary conversion does not
match the data size of the character area (a part of text data). Check and correct the text data or the request data length of the
header, and resend the data to the CPU module.
C059
H
• The command and/or subcommand are specified incorrectly.
• The CPU module does not support the command and/or
subcommand.
• Check the request.
• Use commands and/or subcommands supported by the CPU
module.
C05B
H
The CPU module cannot read data from or write data to the
specified device.
Check the device to be read or written.
C05C
H
The request data is incorrect. (e.g. reading or writing data in units of
bits from or to a word device) Correct the request data and resend it to the CPU module.
(e.g. subcommand correction)
C05D
H
No monitor registration Perform monitor registration before monitoring.
C05F
H
The request cannot be executed to the CPU module.
• Correct the network number, PC number, request destination
module I/O number, or request destination module station
number.
• Correct the read/write request data.
C060
H
The request data is incorrect. (ex. incorrect specification of data for
bit devices)
Correct the request data and resend it to the CPU module.
C061
H
The request data length does not match the number of data in the
character area (a part of text data). Check and correct the text data or the request data length of the
header, and resend the data to the CPU module.
C06F
H
The CPU module received a request message in ASCII format
when "Communication Data Code" is set to Binary Code, or
received it in binary format when the setting is set to ASCII Code.
(This error code is only registered to the error history, and no
abnormal response is returned.)
• Send a request message that matches the "Communication Data
Code" setting.
• Change the "Communication Data Code" setting so that it will
match the request message.
C070
H
The device memory extension cannot be specified for the target
station. Read data from or write data to the device memory without
specifying the extension.
C0B5
H
The CPU module cannot handle the data specified.
• Correct the request data.
• Stop the current request.
C200
H
The remote password is incorrect.
Correct the remote password, and unlock and lock the remote
password function again.