Latest Communication & Security Technical Articles

This article investigates the basic qualities that make up a safety PLC, what distinguishes a safety PLC from a standard…

This article investigates the basic qualities that make up a safety PLC, what distinguishes a safety PLC from a standard model, and the reasons for which a safety PLC may be critical.

In order to trace control system problems to the core, the ability to read and interpret various resources, from…

In order to trace control system problems to the core, the ability to read and interpret various resources, from facility-level diagrams to machine-level wiring layouts, is critical.

We conclude the data flow project with the step of developing a business intelligence dashboard to present machine data,…

We conclude the data flow project with the step of developing a business intelligence dashboard to present machine data, at a reliable schedule, to a leadership or maintenance team.

It is important to have some baseline understanding of JavaScript Object Notation, or JSON, one of the most common data…

It is important to have some baseline understanding of JavaScript Object Notation, or JSON, one of the most common data exchange formats used in the connected industrial world today.

Rockwell Automation’s Allen-Bradley control hardware catalog has long included many series that start with 17xx, but…

Rockwell Automation’s Allen-Bradley control hardware catalog has long included many series that start with 17xx, but what are these lineups, and what function do they serve?

Digital twins are a virtual process representation merging the simulation and real worlds to increase efficiency,…

Digital twins are a virtual process representation merging the simulation and real worlds to increase efficiency, optimize parameters, and predict successful operations for a variety of industries.

To transfer data from a local spreadsheet to a database to create visual dashboards, we must now define the outbound…

To transfer data from a local spreadsheet to a database to create visual dashboards, we must now define the outbound integration to the PostgreSQL database through the mage.ai editor.

In this article, we will explore the inbound integration to the mage.ai pipeline, connecting to the spreadsheet data…

In this article, we will explore the inbound integration to the mage.ai pipeline, connecting to the spreadsheet data source using the Google Sheets API through a JSON credentials file.

When IT and OT converge on the shop floor, it’s important to understand how and when to let a computer control the…

When IT and OT converge on the shop floor, it’s important to understand how and when to let a computer control the assignment of network addresses, or when you would rather keep it under control.

In this final installment of the IIoT tech stack project, learn how to design the customer-facing dashboard or…

In this final installment of the IIoT tech stack project, learn how to design the customer-facing dashboard or observability platform using the data acquired from the MQTT client device.

As we approach the conclusion of this IIoT project, we’ll explore the integration of the Mosquitto MQTT broker,…

As we approach the conclusion of this IIoT project, we’ll explore the integration of the Mosquitto MQTT broker, Node-RED, and InfluxDB, leaving only the data dashboard setup for the final step.

Rebooting industrial controllers and computers incurs costs, not only from the downtime but also from cascading effects…

Rebooting industrial controllers and computers incurs costs, not only from the downtime but also from cascading effects of communication with up/downstream controllers. How can this downtime be managed?

This article will explore the setup of Node-RED, the glue that will serve to connect all of the individual components of…

This article will explore the setup of Node-RED, the glue that will serve to connect all of the individual components of the solution that we have created up to this point.

Now that our IIoT project has verified the transmission of an MQTT data payload packet, this next article will explore…

Now that our IIoT project has verified the transmission of an MQTT data payload packet, this next article will explore the setup of an InfluxDB database to store the incoming sensor data.

Continuing the real-world IIoT project, learn how to begin integrating the Raspberry Pi with the Mosquitto Broker and…

Continuing the real-world IIoT project, learn how to begin integrating the Raspberry Pi with the Mosquitto Broker and understand Docker networks and port binding.

Learn to develop an actual IoT solution end to end. Create a Mosquitto MQTT broker for the Raspberry Pi client in order…

Learn to develop an actual IoT solution end to end. Create a Mosquitto MQTT broker for the Raspberry Pi client in order to connect and publish Sense HAT sensor data.

Learn to develop an actual IoT solution end to end. This second article explains configuration files, testing the edge…

Learn to develop an actual IoT solution end to end. This second article explains configuration files, testing the edge device publisher script, and viewing the payload using a sandbox subscriber script.

Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse…

Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse Frequency Modulation (PFM) is not brand new, but still unknown to many engineers.

Learn to develop an actual IoT solution end to end, from the initial data collection to web-based visualization and…

Learn to develop an actual IoT solution end to end, from the initial data collection to web-based visualization and analytics. This first article in the series will explore the setup of the edge device.