Creating a Program in OB1
4-9
STEP 7 Getting Started
5E00171228-01
In the same way, complete the AND
instruction as shown.
You have now programmed a
complete AND instruction. Save the
block if there are no more symbols
shown in red.
Programming an OR Instruction in Statement List
Select Network 1.
Insert a new network and select the
input area again.
Enter an O (OR) and the symbolic
name "Key_3" (in the same way as for
the AND instruction).
Complete the OR instruction and save
it.
Symbols are indicated in red if, for example, they do not exist in the symbol table, or
if there is a syntax error.
You can also insert the symbolic name directly from the symbol table. Click the ??.?
sign and then the menu command Insert > Symbol. Scroll through the pull-down list
until you reach the corresponding name and select it. The symbolic name is added
automatically.
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