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PPENDICES
(5) Error codes for communication using MC protocol
Table below shows the error codes, error descriptions, and corrective actions that
will be sent from the Motion contrller to an external device when an error occurs
during communication using the MC protocol.
No.
Error code
(Hexadecimal)
Description Corrective action
1 4000H to 4FFFH
Motion controller detected error (Error that occurred in
other than communication using the MC protocol)
Refer to the QCPU User's Manual (Hardware Design,
Maintenance and Inspection) and take corrective
action.
2 0055H
When the setting for online change is disabled on the
Built-in Ethernet Port Setting of Basic Setting in
MT Developer2, an external device requested online
change to the Motion controller.
• When enabling online change, write data.
• Change the status of the Motion controller to STOP
and write data.
3 C050H
When the communication data code setting is set to
ASCII code in the Built-in Ethernet Port Setting, ASCII
code data that cannot be converted to binary code was
received.
• Set the communication data code to binary code and
restart the Motion controller for communication.
• Correct the send data on the external device side and
resend the data.
4 C051H to C054H
The number of device points for reading/writing is
outside the allowable range.
Correct the number of device points for reading/writing
and resend the data to the Motion controller.
5 C056H
The read/write request data exceeds the allowable
address range.
Correct the start address or the number of device
points for reading/writing, and resend the data to the
Motion controller.
(Do not exceed the allowable address range.)
6 C058H
The request data length after the ASCII to binary
conversion does not match the data size of the
character area (a part of text data).
Correct the text data or the request data length of the
header data, and resend the data to the Motion
controller.
7 C059H
• The command and/or subcommand are specified
incorrectly.
• The command and/or subcommand not supported in
the Motion controller are specified.
• Check the request data.
• Use commands and/or subcommands supported in
the Motion controller.
8 C05BH
The Motion controller cannot read/write data from/to
the specified device.
Check the device for reading/writing data.
9 C05CH
The request data is incorrect. (ex. specifying data in
units of bits for reading/writing of word devices)
Correct the request data (such as subcommand
correction) and resend the data to the Motion
controller.
10 C05DH Monitor registration is not performed.
Perform the monitor registration before monitor
operation.
11 C05FH
The external device sent a request that cannot be
executed in the Motion controller.
• Correct the network number, PC number, request
destination module I/O number, and request
destination module station number.
• Correct the read/write request data.
12 C060H
The request data is incorrect. (ex. incorrect
specification of data for bit devices)
Correct the request data and resend the data to the
Motion controller.
13 C061H
The request data length does not match the data size
of the character area (a part of text data)
Correct the text data or the request data length of the
header data, and resend the data to the Motion
controller.
14 C070H
The device memory extension cannot be specified for
the target station.
Read/Write data to the device memory without
specifying the extension.
15 C0B5H
Data that cannot communicate in the Motion controller
or Ethernet module is specified.
• Check the request data.
• Stop the current request.