plc communication

All About PLCs: Networking and Communications

Learn about the modules and systems that provide a network connection to the outside world, transforming traditional PLCs into true, modern process automation controllers (PAC). The name PLC is going to stick around for a very long time. No matter what capabilities are contained inside an industrial controller, whether that includes I/O, networking, or even … Read more

All About PLCs: Input/Output Modules

If your facility or workplace uses a PLC, it’s almost certainly because it must interface with physical input and output devices. What kinds of I/O modules exist, and how can you tell the difference? Out of all the sub-system components that make up a PLC, and throughout the world of computers in general, the I/O … Read more