Latest Protocols Technical Articles

Learn about some of the basic Boolean logic gates using the graphical PLC language of function blocks, recreating ladder…

Learn about some of the basic Boolean logic gates using the graphical PLC language of function blocks, recreating ladder logic and other IEC languages with a digital flair.

I had some questions about firewalls for industrial networks, topics like selecting, configuring, and updating the…

I had some questions about firewalls for industrial networks, topics like selecting, configuring, and updating the software, so I turned to some experts for a little advice.

IO-Link technology keeps improving, and with the recent introduction of Safe IO-Link, the automation world is going to…

IO-Link technology keeps improving, and with the recent introduction of Safe IO-Link, the automation world is going to get a whole lot more modular.

This article will explore CC-Link and how it is used in industrial automation. Learn its history, uses, and how to…

This article will explore CC-Link and how it is used in industrial automation. Learn its history, uses, and how to implement it in control systems.

Learn how SPE and Power over Data Line are enabling advanced developments in industrial and building automation,…

Learn how SPE and Power over Data Line are enabling advanced developments in industrial and building automation, robotics, processing, infrastructure, and energy.

Previously reserved for personal and commercial deployments, learn how cellular IoT connectivity technologies are…

Previously reserved for personal and commercial deployments, learn how cellular IoT connectivity technologies are influencing industrial trends, organizations, and integrators.

Some new factories are networked from stem to stern, ready to roll. But sometimes, it’s just you and a new PLC, so it…

Some new factories are networked from stem to stern, ready to roll. But sometimes, it’s just you and a new PLC, so it won’t really matter how you set things up, it’ll probably work just fine, right?

A common field-level protocol for automation is ASi or AS-interface–a method used to convey actuator and sensor data…

A common field-level protocol for automation is ASi or AS-interface–a method used to convey actuator and sensor data and commands between I/O devices and the PLC control system level.

It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering…

It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering team contacted our friends at OnLogic to gain some insight into VPN technology.

Power and control interruptions are, at best, problematic. In some applications, it’s catastrophic. Learn about…

Power and control interruptions are, at best, problematic. In some applications, it’s catastrophic. Learn about redundancy for the system, power supplies, control devices, and network topologies.

Machine-to-machine (M2M) communication is a critical component of the modern connected facility. OPC UA stands out as an…

Machine-to-machine (M2M) communication is a critical component of the modern connected facility. OPC UA stands out as an open protocol for making the link between shop floor and cloud systems.

Learn about how one example platform, KEPServerEX by PTC, uses OPC UA to integrate machine centers with various…

Learn about how one example platform, KEPServerEX by PTC, uses OPC UA to integrate machine centers with various communication protocol differences, the ultimate goal of M2M integration.

The OPC UA protocol is designed to solve two problems in automation: interoperability between device vendors and…

The OPC UA protocol is designed to solve two problems in automation: interoperability between device vendors and independence from incompatible transport layer differences.

Ladder logic is an industrial control systems legend stemming from electrical line diagrams before the days of PLCs.…

Ladder logic is an industrial control systems legend stemming from electrical line diagrams before the days of PLCs. Although logical, they are difficult to interpret.

In any process industry, transducers are the basic instrumentation unit for continuous monitoring of system variables…

In any process industry, transducers are the basic instrumentation unit for continuous monitoring of system variables that provide inputs for control system algorithms and outputs.

Ladder logic is an industrial control systems legend stemming from electrical line diagrams before the days of PLCs.…

Ladder logic is an industrial control systems legend stemming from electrical line diagrams before the days of PLCs. Although logical, they are difficult to interpret.

Logic is critical for industrial control, and it usually looks like ladders, function blocks, or structured text. I/O…

Logic is critical for industrial control, and it usually looks like ladders, function blocks, or structured text. I/O controllers are designed to automate simple logic tasks and data functions.

Nidec’s Control Techniques has launched the SI-BACnet IP add-on module for new and existing HVAC drives to help…

Nidec’s Control Techniques has launched the SI-BACnet IP add-on module for new and existing HVAC drives to help communicate between devices and create a connected automated building.

Every method of connecting to an industrial device—USB, serial, or Ethernet—poses challenges. For Ethernet, we often…

Every method of connecting to an industrial device—USB, serial, or Ethernet—poses challenges. For Ethernet, we often must adjust the IP address of our PC, not only the device itself.