Introduction.

Workshop PG5
Instructionlist
Now we can start programming. For a good program you should always add
some lines of comments explaining what this program does, by whom it was
written and when the last modifications were done.
After that you'll need to place your program inside a block. Since this is the
only block in our project, the program must be inside a COB :
PG5-07-E © Saia-Burgess Controls Ltd. Page 7-18