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

Machine-to-Machine Integration with OPC UA

The OPC UA protocol is designed to solve two problems in automation: interoperability between device vendors and independence from incompatible transport layer differences. One of the cornerstones of the Industry 4.0 movement is the availability and efficient flow of data. Modern manufacturing facilities increasingly rely on high levels of horizontal and vertical integration across systems … Read more

A History of Industrial Communication Systems

Take a trip down memory lane and go through the different communication systems used throughout the years and learn about the factors that led to where we are today. Faster data, longer wires, and more information. These are the three goals of digital communication, and nowhere is this more important than within the walls of … Read more

Communication Between Computers | Serial Data Terminal Equipment (DTE)

The reference model for Open System Interconnection (OSI)

Learn about serial and parallel data communication modes, errors, and flow controls used in connecting legacy and even some modern point-to-point network devices. Parallel transmission allows multiple bits to transmit simultaneously over multiple wires, enabling a device to send and receive data at high speed, while serial communication involves the transmission of bits one after … Read more

IoT Software Distribution Models: Cloud Based and On Premises

Software distribution models have historically been on premises, however, as industry has become more digital, cloud-based solutions have become increasingly popular, including SaaS and its variants, IaaS and PaaS. See our previous article covering cloud computing and the IIoT: Cloud Computing and the Industrial Internet of Things Our previous article covered basic concepts about cloud … Read more

Cloud Computing and the Industrial Internet of Things

Over the last decade, cloud service providers have improved technology, particularly data security and integrity. These remain the top concern of many manufacturing businesses, but as improvements are rolled out, more and more companies are adopting cloud solutions. What is Cloud Computing? The cloud is a collection of servers that enable access to software and … Read more

Introduction to Network Switches for Industrial Applications

Industrial network switches connect automation equipment, controllers, and other such devices. Learn about unmanaged, managed, and PoE enabled switches, as well as the differences between switches, routers, and hubs. Take a look at our previous articles to learn what control engineers need to know about networking gear: Introduction to Servers for Industrial Applications Introduction to … Read more

Introduction to Network Routers for Industrial Applications

Network routers are designed to route and pass information between a system of connected computers and devices. Learn about the role of routers in industrial applications and how to properly maintain them. Take a look at our previous article on servers: Introduction to Servers for Industrial Applications Network routers are in charge of the flow of … Read more

Introduction to Servers for Industrial Applications

Servers are vital to the flow of information in and around organizations, acting as a hub for information transfer and storage. Learn about the role of servers in industry and the potential challenges that come with maintaining them. If you are the consumer of information, you may not pay much attention to servers, networks, and … Read more