6-5
Primer: S7-300 Programmable Controller, Quick Start
C79000-G7076-C500-01
If you double-click on the FC1 which has already been programmed, the
language editor you have assigned (STL, LAD, or FBD) will be started and a
split window appears with:
S The variable declaration table of the block in the upper half and
S The code section of the block in the lower half of the window. This is
where you write your program.
Starting STL, LAD,
and FBD
Programming Logic Blocks with STEP 7