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8. TROUBLESHOOTING
(g) Read
Error
Description
code
2053h
A data type incorrect for the remote OD is
specified.
2055h
A MMS refusal response is received.
205Fh
A time up is occurred by the timer
monitoring.
2062h
An incorrect connection No. is specified.
2065h
An incorrect partner station object is
specified.
2067h
An error occurs during request transmission.
2069h
An incorrect access mode is specified.
206Bh
The variable name length is incorrect.
2070h
Variable name access is specified even
though variable name access is not
supported.
2072h
An incorrect subindex is specified.
2073h
An undefined partner station object (NULL) is
specified.
2074h
An incorrect read length is specified.
207Bh
Receive data size is smaller than the read
length set in OD.
207Ch
A request is issued using name specification
for a connection that does not support long
form Get OD.
8-5
MELSEC-A
Counter measure
Set the correct data type.
Refer to the error information and check the
data set in the buffer memory.
Check the transmission route status and
partner station operation status.
Set the connection No. to the one defined in
the connection setting table.
Set the correct OD index/name.
Comprehensively check the transmission
parameters and error information.
Set the correct access mode.
Set the variable name length to 1 to 32.
Set an index specification.
Set the correct subindex.
Set the correct OD index/name.
Set the partner station OD variable data
length to 1 to 232 (bytes).
Check the object data size set in OD of the
host station or partner station.
Set Features Supported or use index
specification so that long form is supported.
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