The first PLCs were programmed with a technique that was based on relay logic wiring schematics. This eliminated the need to teach the electricians, technicians and engineers how to program a computer – but, this method has stuck and it is the most common technique for programming PLCs today.

Summary

Reviewer

Control Panel Systems|Programming a PLC

Review Date

2014-05-09

Reviewed Item

Programming a PLC

Author Rating

5