Melsec-Fx List Editor - Mitsubishi Electric GT11 User Manual

14.4 MELSEC-FX List Editor

The MELSEC-FX list editor enables you to change the sequence program in the FX PLC.
This function is intended to troubleshoot the PLC system and to streamline maintenance operations.
By installing list editor for MELSEC-FX, an Option OS, from drawing software into the GOT, you can edit the
FX PLC program.
The features of the MELSEC-FX list editor are described below.
Parameters and sequence programs are easy to maintain
1
You can check or partly correct, change or add FX PLC CPU parameters and sequence programs
simply by operating keys.
You can easily edit sequence programs without preparing any peripheral unit other than the GOT.
Errors that occur during list editing can be checked easily
2
Error messages, error codes, and number of steps for errors that occur in the FX PLC can be checked.
Details can be checked immediately even for errors that occur during list editing.
Commands and devices can be searched and displayed
3
Commands and devices used in sequence programs can be searched.
The correction position can be searched for cases such as when you want to correct a specific device.
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14.4 MELSEC-FX List Editor
14.3.28 Error messages and corrective actions
(Example of changing sequence program commands)
LD X000
OUT Y020
LD X001
Searched device
M800
Changed
LD X000
OUT Y030
LD X001
Displays the searched device.
LD M 800
OUT T 10
K 100
LD X 002