Converting Programs - Mitsubishi Electric M800VW Series Manual

M800V/M80V Series PLC Development Manual
6 Explanation of Built-in Editing Function (PLC On-board)
6.15 Ladder Menus

6.15.2.7 Converting Programs

Details of edits cannot be checked when using the preceding edit procedures to edit ladders and transitioning to the ladder
screen will cause these edits to be lost. For this reason, you perform conversions to check the details of edits.
The currently displayed program will be the program that is converted. The converted details are updated in the program
stored in the temporary storage area and so these edits will be lost when the power to the NC is turned off if you do not
execute a ROM write operation.
The maximum number of steps that can be converted at one time is 512.
The behavior is different according to the setting of ladder program write during RUN (#6455 bit6/bit7).
This chapter describes the behavior when ladder program writing during RUN is disabled. For the behavior when it is enabled,
refer to "6.15.2.11 Ladder Program Writing during RUN by Conversion".
When the PLC is running
If a conversion is executed while the PLC is running, a message confirming whether or not to stop the PLC is displayed.
The following information describes the resulting operation depending on whether the [YES] or the [NO] menu key is pressed.
[When [YES] menu key is pressed]
The PLC stops and the conversion process executes. Once the conversion is complete, the background color of the edited
portion of the ladder screen (gray) changes to white.
Once the conversion process is complete, a message confirming whether or not to continue running the PLC is displayed.
If the [YES] menu key is pressed, the PLC continues running. If the [NO] menu key is pressed, the PLC state is not changed.
[When [NO] menu key is pressed]
The following error message is displayed and the conversion process is canceled.
When the PLC is stopped
If the PLC is stopped, the conversion process starts without displaying any confirmation messages. Once the conversion is
complete, the background color of the edited portion of the ladder screen (gray) changes to white.
IB-1501614-B 450