Latest Communication & Security Technical Articles

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?

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?

Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people…

Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people understand how cybersecurity affects control systems and related technology.

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?

Using an electronic data sheet or add-on profile is an easier method than having to manually configure and map a generic…

Using an electronic data sheet or add-on profile is an easier method than having to manually configure and map a generic Ethernet module. Learn about the differences between an EDS and AOP and how and when each is used.

The S7-1200 is one of Siemens’ most popular PLC options for relatively small automation projects. Learn how to use the…

The S7-1200 is one of Siemens’ most popular PLC options for relatively small automation projects. Learn how to use the Totally Integrated Automation Portal to design simple ladder logic programs.