Automotive manufacturing process flowTony Molla is the Vice President of Communications for the National Institute for Automotive Service Excellence (ASE) in Leesburg, VA. With over 35 years experience in the automotive service business, Tony has held positions at all levels, including technician, service manager, components shop manager, new car sales and automotive technical editor writing service manuals for the Chilton Book Business. It was from the automotive business in the USA that the PLC was born. Prior to the PLC, manage, sequencing, and safety interlock logic for manufacturing automobiles was primarily composed of relays , cam timers , drum sequencers , and dedicated closed-loop controllers. Since these could number in the hundreds or even thousands, the method for updating such facilities for the yearly model modify-more than was quite time consuming and costly, as electricians necessary to individually rewire the relays to adjust their operational characteristics.

1981 – The Australian … READ MORE ...