Virtual networks can connect or isolate various local control networks through configuration of a managed switch. Why would we use VLANs, and how can you segment…
Virtual networks can connect or isolate various local control networks through configuration of a managed switch. Why would we use VLANs, and how can you segment a network switch to create a VLAN?
I could run down to the local box store or internet marketplace and buy a 5-port switch for less than 20 dollars, or…
I could run down to the local box store or internet marketplace and buy a 5-port switch for less than 20 dollars, or invest in an industrial switch for hundreds. Why would I choose the industrial switch?
An introduction to the various tag types used within one of the leading supervisory control and data acquisition (SCADA)…
An introduction to the various tag types used within one of the leading supervisory control and data acquisition (SCADA) software powering IIoT, HMI, and I4.0 applications: Ignition by Inductive Automation.
Errors in communications often manifest as a result of electrical noise interrupting the data during the transmission…
Errors in communications often manifest as a result of electrical noise interrupting the data during the transmission process, leading to various methods for determining whether received data has been damaged.
Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved…
Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved in automation applications for cable-to-cable or cable-to-device termination.
Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated…
Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated by the color of the insulation. But what are the common colors, and what do they mean?
No more IIoT buzzwords! This article aims to walk through an implementation of MQTT using the paho-mqtt library using…
No more IIoT buzzwords! This article aims to walk through an implementation of MQTT using the paho-mqtt library using nothing more than your local machine and some simple Python programming.
Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then,…
Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then, once the information has been collected, what trends might point to problems?
Learn about the history, framework, and current uses of the Open Platform Communications United Architecture (OPC UA)…
Learn about the history, framework, and current uses of the Open Platform Communications United Architecture (OPC UA) communication protocol in industrial automation.
ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and…
ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and what does ASCII mean for automation engineers?
Addressing cybersecurity threats introduced by IIoT technology and devices can quickly seem overwhelming. However, an…
Addressing cybersecurity threats introduced by IIoT technology and devices can quickly seem overwhelming. However, an understanding of the risks can lead to some straightforward countermeasures.
EtherCAT is an often preferred competitor in the arena of industrial networking protocols. Learn the reason why many…
EtherCAT is an often preferred competitor in the arena of industrial networking protocols. Learn the reason why many technologies embrace this protocol and what sets it apart from other fieldbus varieties.
Computers understand values as long strings of binary bits, but we humans convert them to other systems for convenience.…
Computers understand values as long strings of binary bits, but we humans convert them to other systems for convenience. Decimal makes sense, but what about hexadecimal and the lesser-known octal systems?
Industrial Ethernet is getting a facelift, but will the industry adopt this new change? Single Pair Ethernet (SPE) offers…
Industrial Ethernet is getting a facelift, but will the industry adopt this new change? Single Pair Ethernet (SPE) offers gigabit speeds with a reduced footprint. When is it used, and where?
There are many settings and configurations to consider when using RS232 devices. This article breaks down this…
There are many settings and configurations to consider when using RS232 devices. This article breaks down this communication standard and explains how to send messages from one device to another.
IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to…
IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to use an MQTT broker to collect the number of cycles from a pneumatic cylinder for PM software.
Industrial network switches connect automation equipment, controllers, and other such devices. Learn about unmanaged,…
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.
Previously, we described how to use the new Arduino PLC IDE to control discrete devices. This tutorial will describe how…
Previously, we described how to use the new Arduino PLC IDE to control discrete devices. This tutorial will describe how to connect various peripheral equipment (VFD and robot) using analog inputs and outputs.
Many control product manufacturers offer these downloadable ‘EDS files’ for peripheral equipment, but what exactly is…
Many control product manufacturers offer these downloadable ‘EDS files’ for peripheral equipment, but what exactly is an EDS, and how can they aid in the development of a project?
Frequency filters remove unwanted variations from signals and power sources. In this article, we explore why we need…
Frequency filters remove unwanted variations from signals and power sources. In this article, we explore why we need frequency filters in industrial automation and where they are commonly found.