18 Programming Device Operations
18-14
CP2E CPU Unit Software User’s Manual(W614)
Other rules may also be applicable.
Click the Advanced Button to select options. The options are enabled when the Paste Button is
clicked.
Always save the ladder program that you have created. This section describes how to check, save, and
read a ladder program.
You can check for errors in a program by compiling it.
Target Automatic creation rule Description
Symbol names Increment the numbers found
from head.
The symbol name is searched for a number starting from
the beginning, and any number that is found is incre-
mented by 1.
If no number is found, an underbar and a sequential
number starting from 1 are appended.
Assign a new number to the
end of the symbol name.
And underbar and sequential number, starting from 1,
are appended to the end of the symbol name.
I/O comments Increment the numbers found
from head.
The I/O comment is searched for a number starting from
the beginning, and any number that is found is incre-
mented by 1.
If no number is found, an underbar and a sequential
number starting from 1 are appended.
Assign a new number to the
end of the I/O comment.
An underbar and a sequential number starting from 1
are appended to the end of the I/O comment.
Attach same I/O comment. The same I/O comment is used for the copy.
18-3-2 Saving and Reading Ladder Programs
Checking a Ladder Program for Errors
1
Select Compile All PLC Programs
from the Program Menu.
Compiling will start. Once compiling
has been completed, the results of
the program check will be displayed
in the Output Window.
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