Mitsubishi Electric GOT2000 Series User Manual page 149

Error message
There is a ladder block which
cannot be displayed in the ladder
program. Data cannot be edited.
Statements should be 64
characters or less.
Notes should be 32 characters or
less.
Conversion (online change) failed
due to communication error.
Peripheral statements cannot be
entered.
Peripheral notes cannot be
entered.
■4. Error messages for conversion
Error message
The data being edited is too large.
Please reduce the data being
edited.
There is a ladder which cannot be
converted.
Correct the ladder at the cursor
position.
The ladder block is too large to
convert.
Please reduce the size of the
ladder block.
■5. Error messages for file selection
Error message
You cannot select programs other
than ladder programs.
The specified file is too large to
read.
Description
• On a ladder block, 25 or more rows
are edited.
• An incomplete ladder block is
edited.
A statement with 65 characters or
more was entered.
A note with 33 characters or more
was entered.
The GOT fails to communicate with
the PLC during conversion (online
change).
A peripheral statement was entered.
A peripheral note was entered.
Description
Too many ladders are not converted.
The data cannot be converted.
When a ladder block is converted, the
ladder block is not completed.
Too large ladder blocks are not
converted. The data cannot be
converted.
Description
A program that is not a ladder
program is selected.
A program file having 260k steps or
more is selected.
4.10 Error Messages and Corrective Action
Corrective action
• Edit the ladder block in 24 rows or less by using
GX Works2/GX Developer, and then write the
program into the PLC CPU.
• Write the program into the PLC CPU by using GX
Works2/GX Developer again because the program
may be corrupted.
Enter statements with 64 characters or less.
Enter notes with 32 characters or less.
• Check the communication setting.
• Check cables.
• Verify with PLC.
• Operate the GOT for reading the program from the
PLC.
Delete the peripheral statement.
Delete the peripheral note.
Corrective action
Reduce the ladders which are not converted before
conversion.
Complete the ladder block, and then convert the
ladder block.
Delete or split the ladder block before conversion.
Corrective action
• Use the sequence program monitor (SFC) to
monitor SFC programs.
• Use GX Works2 or GX Developer to monitor SFC
programs.
Split the program.
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