Latest HMIs & SCADA Technical Articles

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.

Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the…

Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the differences between RAM, ROM, and removable memory, and how to keep program sizes in check.

This article discusses the meaning and effects of proportional gain in a controlled system such as motion, temperature,…

This article discusses the meaning and effects of proportional gain in a controlled system such as motion, temperature, and fluid flow.

Events that cause alarms are not the most common events in a process system, but they must be handled with proper care,…

Events that cause alarms are not the most common events in a process system, but they must be handled with proper care, being both resolved and recorded in order to prevent hazards and downtime.

Data stored in a historian server is useful for analysis and troubleshooting. Learn about data archiving techniques for…

Data stored in a historian server is useful for analysis and troubleshooting. Learn about data archiving techniques for control systems, as well as what type of data is stored and the tools to make it happen.

Human-machine interfaces, or HMIs, provide visual process data and allow access to process parameters and diagnostics…

Human-machine interfaces, or HMIs, provide visual process data and allow access to process parameters and diagnostics information. What’s inside these touchscreen displays, and how do they actually work?

Network Manager SCADA is a real-time, modular system that is highly scalable and easy to deploy and maintain. The system…

Network Manager SCADA is a real-time, modular system that is highly scalable and easy to deploy and maintain. The system can grow with future needs and support a virtualized environment to decrease hardware cost.

Many worldwide plants are still running the old Advant Controller 450 from ABB in their facility, with many plants using…

Many worldwide plants are still running the old Advant Controller 450 from ABB in their facility, with many plants using the latest System 800xA DCS interfaced with the existing AC450 controller.

Learn about proportional gain and proportional band, two key proportional control concepts, to better understand the most…

Learn about proportional gain and proportional band, two key proportional control concepts, to better understand the most popular control system method in industrial automation.

Despite the many overlaps, PLCs and RTUs are two different devices, each with specific suitable applications.

Despite the many overlaps, PLCs and RTUs are two different devices, each with specific suitable applications.

There are three main types of numeric values that must be handled by a PLC: boolean, integers, and floating point. These…

There are three main types of numeric values that must be handled by a PLC: boolean, integers, and floating point. These last floating-point values can create the most confusion for programmers and technicians.

Learn how one small farm in a rural community is upgrading production with advanced technology in several ways to…

Learn how one small farm in a rural community is upgrading production with advanced technology in several ways to overcome staff shortages, product demand, and regulatory compliance.

The PCU400 can handle all known industrial protocols and forward them to the master station to get an effective…

The PCU400 can handle all known industrial protocols and forward them to the master station to get an effective connection between the SCADA system and the data from the manufacturing or system process.

Explore the design of a servo pick and place sample case using B&R Automation Studio, from the project creation to the…

Explore the design of a servo pick and place sample case using B&R Automation Studio, from the project creation to the configuration of the controller, drives, and motion axes. 

The control and visualization of power plant processes through SCADA improves the supervision, coordination, and security…

The control and visualization of power plant processes through SCADA improves the supervision, coordination, and security of the power system operations.

Over the last decade, cloud service providers have improved technology, particularly data security and integrity. These…

Over the last decade, cloud service providers have improved technology, particularly data security and integrity. These remain the top concern of many manufacturing businesses, but as improvements are rolled out, more and more companies are adopting cloud solutions. 

Centralized control systems are often seen as outdated compared to decentralized systems; however, both have their…

Centralized control systems are often seen as outdated compared to decentralized systems; however, both have their advantages and disadvantages when it comes to choosing which one to use in manufacturing. 

One of the most considerable risks in aging control environments is that eventually, spare parts become obsolete and…

One of the most considerable risks in aging control environments is that eventually, spare parts become obsolete and unavailable, and the lack of an upgrade plan can turn a simple failure into a catastrophe.

With the increasing appearance of “web-based” HMIs, we investigate these devices, learn how they differ from the…

With the increasing appearance of “web-based” HMIs, we investigate these devices, learn how they differ from the graphical HMIs, and see implications for our modern control system architecture.