Issue
140 March 2002
Replacing
Relays with Ladder Logic
Part
1: Getting Ready for the Climb
by
Fred Eady
Top of the
ladder
Unlike my plumber
friends, I’m on the roof now and I intend to stay here
at least through one more article period. There is still
plenty of T100MD888+ and Internet TRiLOGI stuff to talk
about. And, I’ve got it from reliable sources that some
tricky new TRiLOGI software may find its way to the Florida
room in time for Part 2. Until then, it’s pretty obvious
to me that the engineering staff at Triangle Research
International believes that PLCs aren’t complicated, they’re
embedded.