8. TROUBLESHOOTING
MELSEC-A
8-7
(i) InformationReport
Error
code
Description Counter
measure
2201h The
request
transmission
conditions
are
incorrect.
Check the connection attributes and station
attributes (master and slow) parameters.
2202h
An incorrect access mode was specified.
Specify the correct access mode.
2204h
An undefined local station object (NULL) was
specified.
Set the correct OD index/name.
2205h
An incorrect local station object was
specified.
Set the correct OD index/name.
2209h
An error occurred during request
transmission.
Comprehensively check the transmission
parameters and error information.
220Ah
An incorrect device or type was registered in
the local station OD.
Set the correct parameters.
220Ch
An incorrect subindex was specified.
Set the correct subindex.
220Dh
An incorrect data length was specified.
Set the local station OD variable data length
to 1 to 128 (bytes).
2251h
An incorrect access mode was specified.
Set the correct access mode.
2253h
An undefined remote station object (NULL)
was specified.
Set the correct OD index/name.
2255h
An incorrect data length was specified.
Set the partner station OD variable data
length to 1 to 232 (bytes).
2256h A
variable
name
access
was
specified
even
though variable name access is not
supported.
Set the index specification.
2259h
Before the received unconfirmed service, two
or more unconfirmed services were received
and the connection was aborted.
When an unconfirmed service is received,
turn on Y03 for I/O signal to notify that the
receive areas and receive data area read are
terminated to the PC CPU.
225Ch
An incorrect data type was specified in the
remote OD.
Set the correct data type.
(j)
FMA7 Abort
Error
code
Description Counter
measure
2209h
An error occurs during request transmission.
Comprehensively check the transmission
parameters and error information.
220Bh
An abort prohibited connection was
specified.
Use SW0IX-PROFPE to abort the
connection.
(2) Error information
When a refusal response is received
When the error code is 2055h, valid values are written in the following addresses of the
buffer memory.
Request area No. 1’s 67 address: FMS refusal response Error Class
Request area No. 2’s 195 address: FMS refusal response Error Class
Request area No. 3’s 323 address: FMS refusal response Error Class
Refer to the Communication Standard DIN 19245 Part 2 for information regarding the written
numerical value details.