Programmable Logic Controllers For Beginners: From Relay Control To PLC Systems: Advantages Of Programmable Logic Contro

A PLC control system and a relay control system are comprised of an input, output, and control section.

The book covers:
-Switching mechanisms
-Relays, Relay Logic & Relay Ladder logic
-Timers, Counters, and Sequencers as applied in Relay controls
-PLC-basic introduction
-PLC hardware
-PLC operation
-PLC memory structure
-PLC programming
-Ladder gates
-Ladder logic
-Ladder diagram programming and its industrial control application
-Timers, counters and sequencers as applied in PLC systems
-Lastly I discuss briefly how PLCs are connected in a network