Creating a Program in OB1
4-5
STEP 7 Getting Started
5E00171228-01
Click the ??.? sign and enter the
symbolic name "Key_1" (in quotation
marks). Alternatively, you can select
the name from the displayed pull-down
list.
Confirm with Enter.
Enter the symbolic name "Key_2" for
the second normally open contact.
Enter the name "Green_Light" for the
coil.
You have now programmed a
complete series circuit.
Save the block if there are no more
symbols shown in red.
Symbols are indicated in red if, for example, they do not exist in the symbol table, or if
there is a syntax error.
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