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Active Power, Reactive Power, Apparent Power, and the Role of Power Factor

Active Power, Reactive Power, Apparent Power, and the Role of Power Factor

The diverse power terms in electrical generation systems include active, reactive, and apparent power, all of which lead to the introduction of ‘power factor’ effectiveness in an AC circuit.


Cloud Computing and the Industrial Internet of Things

Cloud Computing and the Industrial Internet of Things

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. 


Automation on the Move: Mobile Robot Cells

Automation on the Move: Mobile Robot Cells

Mobile robot work cells can move between workstations and tend to where demand is highest. These self-contained work cells offer more flexibility for manufacturers than industrial and collaborative robot cells we have previously talked about. 


Automation Issues and Energy Usage in Environmental Extremes

Automation Issues and Energy Usage in Environmental Extremes

As summer heat continues to scorch the northern hemisphere, manufacturers face potential equipment damage and downtime. Learn about the ways extreme heat can damage automated equipment and systems. 


What is Firmware, and Why is PLC Firmware Important?

What is Firmware, and Why is PLC Firmware Important?

Inside a controller, code is interpreted into the binary signals that influence input and output signals, flags and registers, and even the communication of network signals. This is the job of firmware.


Interrupting Dangerous Current Flow: Fuses vs. Circuit Breakers

Interrupting Dangerous Current Flow: Fuses vs. Circuit Breakers

Fuses and breakers are some of the most common safeguards to prevent electrical shock and fires. Learn about these two pieces of industrial equipment and the difference between slow blow and quick blow responses.


How to Program a Robot: Industrial Robotic Arm Coding Basics

How to Program a Robot: Industrial Robotic Arm Coding Basics

The world of manufacturing is filled with robots, but beginners are still always faced with key questions, starting with perhaps the most basic: how do you program industrial robots?


UL Listed Devices For Industrial Automation

UL Listed Devices For Industrial Automation

UL Listed devices are certified as safe within North America, specifically, the US. Learn about the importance of UL Certification and the key role it plays in industrial automation.


Understanding Centralization vs Decentralization of PLCs

Understanding Centralization vs Decentralization of PLCs

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. 


Negative Effects of Grounding (Earthing) a DC Power Supply

Negative Effects of Grounding (Earthing) a DC Power Supply

DC voltage systems exist to provide controllers and field devices with stable power, but it is not always clear when these systems should be bonded with the earth ground of the AC line voltage supply.


Working With Legacy Systems—Why Use Serial to Ethernet Converters?

Working With Legacy Systems—Why Use Serial to Ethernet Converters?

One common challenge when working with legacy control systems is establishing communication with old devices that use old protocols like RS232 and RS485. Learn about the importance of converting from serial to Ethernet.


Configuring a Network With Pneumatic Valve Manifolds

Configuring a Network With Pneumatic Valve Manifolds

There are many distributed fieldbus capabilities for valve manifolds that can save on network overhead and wiring. In this article, we will look at PLC programming of fieldbus manifolds highlighting Festo's CPX layout.


Predictive Maintenance: Defect Analysis Using Electrical Current

Predictive Maintenance: Defect Analysis Using Electrical Current

Electrical signal analysis has come to the forefront of predictive maintenance, helping to reduce downtime in industrial manufacturing by remotely identifying problems with electric motors and generators.


Data from Control System to Cloud - Industry 4.0 Communication Protocols

Data from Control System to Cloud - Industry 4.0 Communication Protocols

Communication protocols are a key component for an industry 4.0 compliant facility and are used to enable communication back and forth between cloud servers to transmit data or receive instructions.


Understanding PLC Program Commands: Math Instructions

Understanding PLC Program Commands: Math Instructions

We will show you how to use common math functions from two popular PLC programs—Rockwell Automation's Studio 5000 and Automation Direct Productivity Suite. 


Migrating PLC Software

Migrating PLC Software

Software obsolescence poses a threat in industrial automation equal to hardware obsolescence and should not be overlooked. Many PLC OEMs offer tools to migrate upgraded software projects to the newest controller revisions.


Getting Starting with the HART Protocol for Sensing Instruments

Getting Starting with the HART Protocol for Sensing Instruments

The HART protocol enables instruments to send analog and digital signals over the same physical wire. This provides multiple advantages for remote configuration, increased accuracy, and more.


Understanding PLC Program Commands: Up and Down Counters

Understanding PLC Program Commands: Up and Down Counters

Counting up and down are commonly required functions in PLC lagger logic programs for tracking inventories, placement patterns, and gaining informational insights about machine performance statistics.


Successful Obsolescence Mitigation

Successful Obsolescence Mitigation

Designing an obsolescence mitigation plan to detect and solve mitigation risks before they occur is key to avoiding costly downtime and a potential catastrophe in control environments. 


Understanding PLC Program Commands: One-Shots

Understanding PLC Program Commands: One-Shots

Many PLC commands are well-known to programmers, including contacts, coils, timers, and counters. But a less-common instruction is the one-shot, capable of harnessing the incredible processing speeds in a CPU.