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Examples Section 4-2
Time Chart Monitoring
The CX-Programmer’s time chart monitor operation can be used to check and
debug program execution.
Data Tracing
The CX-Programmer’s data trace operation can be used to check and debug
program execution.
Online Editing
When a few lines of the program in the CPU Unit have to be modified, they
can be edited online with the PLC in MONITOR mode or PROGRAM mode
from a Programming Console. When more extensive modifications are
needed, upload the program from the CPU Unit to the CX-Programmer, make
the necessary changes, and transfer the edited program back to the CPU
Unit.
When a Programming Console is being used, display the desired program
address, input the new instruction, and press the WRITE Key twice. A single
program address (instruction) can be edited.
When CX-Programmer is being used, several instruction blocks can be
edited.
11. Save and Print the Program
To save the program, select File and then Save (or Save As) from the CX-
Programmer menus.
To print the program, select File and then Print from the CX-Programmer
menus.
12. Run the Program
Switch the PLC to RUN mode to run the program.
WRITE WRITE
Input instruction
Program address display
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