Melsec-A List Editor - Mitsubishi Electric GT11 User Manual

14.3 MELSEC-A List Editor

The MELSEC-A list editor enables you to change the sequence program in the ACPU/QCPU (A mode).
This function is intended to troubleshoot the PLC system and to streamline maintenance operations.
By installing list editor for MELSEC-A, an Option OS, from drawing software into the GOT, you can edit the
ACPU/QCPU (A mode) PLC program.
The features of the MELSEC-A list editor are described below.
Parameters and sequence programs are easy to maintain
1
You can check or partly correct, change or add 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.
Example of changing sequence program commands
·
Other stations are accessible
2
You can edit the sequence program for other stations in the data link system containing the GOT (or
GOT-connected station), network system or CC-Link system.
Help function
3
A convenient help function is supported, which enables you to read, write, insert, and delete data as you
select menus.
Comment for each device can be displayed
4
Comment of the device at the cursor position can be displayed.
W 9 OUT M50
1 0 MOV
1 0 D1
Current value
Changed
LD X0 LD
OUT Y20 MOV
LD X1 LD
Comment of D1 is displayed.
14.2.30 Error messages and corrective actions
X0
D0 D1
X1
14.3 MELSEC-A List Editor
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