Latest Communication & Security Technical Articles

Learn the first steps in focusing on the integration of a front-end HMI application to an API middle layer.

Learn the first steps in focusing on the integration of a front-end HMI application to an API middle layer.

The middle layer, or API layer of a custom-built HMI project involves a server that can submit or receive data to and…

The middle layer, or API layer of a custom-built HMI project involves a server that can submit or receive data to and from a device, either to provide the user interface or interact with the machine.

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief…

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief tutorial on how an M5Stack Core can offer a simple, effective low-cost Arduino OpenPLC HMI solution.

Programmable encoders provide engineers real flexibility to adjust process parameters. From operating theory to…

Programmable encoders provide engineers real flexibility to adjust process parameters. From operating theory to programming methods, here’s everything you need to know to begin leveraging these handy devices.

What are these terms, PLC, PAC, RTU, DCS, SCADA? Why are they so important to industrial robotics and automation? Explore…

What are these terms, PLC, PAC, RTU, DCS, SCADA? Why are they so important to industrial robotics and automation? Explore how each different piece functions to build a comprehensive automated system.

Many articles address the wiring and implementation of analog control signals, but where are they used, and what might…

Many articles address the wiring and implementation of analog control signals, but where are they used, and what might make them a better (or perhaps worse) decision than digital input/output devices?

Wireless technology is typically slower to adoption for industrial automation, but what wireless advancements are shaping…

Wireless technology is typically slower to adoption for industrial automation, but what wireless advancements are shaping the current and future landscape of the automated factory floor?

Virtual networks can connect or isolate various local control networks through configuration of a managed switch. Why…

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.

The Lean process uses a method of implementation focusing only on actions providing value to customers. The following…

The Lean process uses a method of implementation focusing only on actions providing value to customers. The following five steps break down the process into discrete modules when introducing efficiency to production.

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.

Any kind of computer programming can be challenging to determine what aspects are truly unique versus what aspects should…

Any kind of computer programming can be challenging to determine what aspects are truly unique versus what aspects should be standardized across projects and platforms to streamline future development.

We see smoke detectors on a daily basis in every house and building we visit, but the same sensor elements, and others,…

We see smoke detectors on a daily basis in every house and building we visit, but the same sensor elements, and others, can be used to detect the presence of harmful gasses and heat in all industries.

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?

Failures are never the goal of any industrial operation. But when disaster strikes, it’s always better to have a…

Failures are never the goal of any industrial operation. But when disaster strikes, it’s always better to have a mitigation plan in place well in advance of the event to ensure timely recovery.

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?