Latest Energy & Infrastructure Technical Articles

Categories

Understanding the Automation Lingo: PLC, PAC, RTU, DCS, and SCADA

Understanding the Automation Lingo: PLC, PAC, RTU, DCS, and SCADA

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.


Differences between Transformer and Transformer-free UPS Designs

Differences between Transformer and Transformer-free UPS Designs

Transformerless UPS designs are taking place in various industries, particularly in aseptic manufacturing, pharmaceuticals, and healthcare, where the reliability of power supply is critical.


Examples of Analog Signals in Control Systems

Examples of Analog Signals in Control Systems

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?


Potential Problems Arising from Misuse of Motor Phase Wiring

Potential Problems Arising from Misuse of Motor Phase Wiring

Using the right motor for the right task is critical - but what happens if the motor is connected to the wrong supply? It is never recommended, but important to quickly understand symptoms of incorrect wiring.


Fundamentals of Directional Control Valves in Fluid Control Systems

Fundamentals of Directional Control Valves in Fluid Control Systems

Directional control valves (DCVs) come in many shapes and sizes for pneumatic and hydraulic applications. Learn to distinguish the different configurations and the meaning of external markings.


Examples of Digital Signals in Control Systems

Examples of Digital Signals in Control Systems

Digital signals hold a prominent position due to their compatibility with computers. But what are digital signals, and what are some examples of the various devices used with digital inputs and outputs?


Troubleshooting and Testing Single Phase AC Motors

Troubleshooting and Testing Single Phase AC Motors

Single-phase motors are common in household and small industrial devices. They are a bit more complex than 3-phase models, so it’s important to recognize failure modes and common symptoms.


Industrial Wireless Technology: Communication and Programming

Industrial Wireless Technology: Communication and Programming

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 LAN for IT/OT Nodes in Industrial Control Systems

Virtual LAN for IT/OT Nodes in Industrial Control Systems

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?


Panel Builder’s Guide to Grounding and UL 508A Standards - Part 1

Panel Builder’s Guide to Grounding and UL 508A Standards - Part 1

Ground wires reduce the risk of injury and damage from faulty equipment. Shops designing according to the UL 508A standard must understand how, when, and why to properly ground and bond circuits.


Basic Structured Text Programming in Mitsubishi PLCs

Basic Structured Text Programming in Mitsubishi PLCs

Structured Text (ST) is one of the common IEC programming languages that can be used in programming PLCs. Learn how to use structured text to write executable programs for MELSEC’s FX series PLC.


Math and Comparison Commands In Mitsubishi’s FX and Q Series PLCs

Math and Comparison Commands In Mitsubishi’s FX and Q Series PLCs

Mathematical operations are essential in PLC programming as they help in creating an argument output that is based on proportionality and numbers. Learn how to implement mathematical operations in FX and Q Series PLCs.


Tutorial | First Program Using Rockwell’s Micro800 Series PLC

Tutorial | First Program Using Rockwell’s Micro800 Series PLC

Rockwell Automation’s Micro800 series is the modern replacement for some older MicroLogix PLCs. Learn how to get started with basic I/O, plus timers and counters, to build your own programs in a snap!


Managing Networks | Why Do I Need an Industrial Grade Switch?

Managing Networks | Why Do I Need an Industrial Grade Switch?

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?


Going Against the Flow | Reversing Single-phase Industrial Motors

Going Against the Flow | Reversing Single-phase Industrial Motors

Three-phase motors are a backbone of the modern industrial control landscape. But plenty of applications still rely on single-phase motors. Can these types of motors be reversed, and if so, how?


PID for Your PLC Using SP and PV. So Many Acronyms, So Little Time

PID for Your PLC Using SP and PV. So Many Acronyms, So Little Time

Implementing PID control in a PLC is far more complicated than textbooks would make it appear. There is more to the process than simply picking gain (k) values and calculating an output value.


Simulating Ladder Logic Programs in GX Simulator2 With Mitsubishi PLCs

Simulating Ladder Logic Programs in GX Simulator2 With Mitsubishi PLCs

GX Simulator2 is one of MELSOFT’s essential tools for the simulation of programs in a virtual PLC and works with GX Works2. Learn how to virtually simulate and test your ladder programs.


Ignition SCADA Software: What are Tags and How are They Used?

Ignition SCADA Software: What are Tags and How are They Used?

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.


Controlling and Troubleshooting Common DC Motors

Controlling and Troubleshooting Common DC Motors

Direct current (DC) motors have existed since the late 19th century. What sets these motors apart from AC models, how do you control them, and how can you tell when it’s time to repair or replace them?


Temperature Profiling: The Process and The Underlying Benefits

Temperature Profiling: The Process and The Underlying Benefits

Temperature profiling is an effective tool to monitor thermal properties in process equipment. This article defines temperature profiling, discusses the process components, and describes the various benefits it offers.