Concurrent I/O•Parameter - Motoman

1.14 Editing Ladder Programs Editing Ladder ProgramsFlow of Data By Ladder ProgramsFlow of data in editing, storage, and execution areas by operation of ladder program is shownbelow.JANCD-XCP01 BOARDEDITING AREAINTERMEDIATECODE AREAEXECUTIONPROGRAMEXTERNALMEMORY UNITSAVESYSTEMSECTIONWORKMEMORYSAVECOMPILESTORAGEMEMORY(CMOS)CONTROLPOWER ONIOPROCESSINGWORKMEMORYLOADLADDER PROGRAMDISPLAYEDITINGNOTE• Only the user ladder program can be edited. The system ladder program cannot beedited.• When the system ladder program is changed, the ladder program from the external memoryunit cannot be loaded.• IIf control power is shut down while the ladder program is being edited, the edited ladderprogram is lost. The intact program remains in the execution area.• During editing of ladder programs, “EDITING” is displayed on the upper right of the usersection display. This indication appears only when the program in the editing area andthat in the exectution area do not match. Nothing is displayed after compilation of cancellationof editing when the programs in the two areas match.1-166