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PLC Program Commands: Arrays Part 4, Statistics and Sizing

PLC Program Commands: Arrays Part 4, Statistics and Sizing

Learn how to make complex calculations for validating data easily with the STD instruction, and learn how to display array sizes programmatically with the SIZE instruction.


Teardown: What’s Inside a Pneumatic Solenoid Valve Bank?

Teardown: What’s Inside a Pneumatic Solenoid Valve Bank?

Air power drives a lot of modern equipment. Robot grippers, ejectors, actuators, and rotary tables are just a few of the devices controlled by air. What’s inside those banks of solenoid valves, and how do they work?


Industrial Networks: “Protocol over a Standard?”

Industrial Networks: “Protocol over a Standard?”

Industrial communication channels often contain terms such as ‘Modbus over RS485’ or ‘CIP Safety over Ethernet’. What does it mean to send one network over another, and how does it work to your advantage?


PLC Program Commands: Arrays Part 3, Searching and Sorting

PLC Program Commands: Arrays Part 3, Searching and Sorting

Learn how to streamline your ladder logic by searching and sorting arrays with the FSC and SRT instructions in the Rockwell (Allen-Bradley) Studio 5000 programming software.


Teardown: What’s Inside a Variable Frequency Drive (VFD)?

Teardown: What’s Inside a Variable Frequency Drive (VFD)?

Variable frequency drive units can be found inside tons of control cabinets, but what happens if you disassemble one to see what’s inside and how it works? We did just that. The results might surprise you.


Introduction to Network Routers for Industrial Applications

Introduction to Network Routers for Industrial Applications

Network routers are designed to route and pass information between a system of connected computers and devices. Learn about the role of routers in industrial applications and how to properly maintain them.


What You Need to Know: Variable Frequency Drives (VFDs)

What You Need to Know: Variable Frequency Drives (VFDs)

With precise control abilities to manage speed, torque, and direction, variable frequency drives remain one of the most common methods of driving 3-phase industrial motors. Below, we introduce a few leading VFD manufacturers.


PLC Program Commands: Performing Array Functions Part 1

PLC Program Commands: Performing Array Functions Part 1

Arrays can streamline data storage and math operations, but they can be difficult to understand for a beginning programmer. Learn the background of array instructions in the Rockwell Studio 5000 software.


Creating a More Sensible Industrial Robot: The Sense of Touch

Creating a More Sensible Industrial Robot: The Sense of Touch

Using advanced sensing technology, robotic skin allows grippers and manipulators to “feel” and handle objects without damaging them. While emulating human touch is still in its infancy, it does show promise for future applications.


Introduction to Functional Safety (IEC 62061) and its Implementation

Introduction to Functional Safety (IEC 62061) and its Implementation

Functional safety is the safety of a system and is critical for industries such as medical devices, automotive, railways, and machinery. This article will focus on functional safety for machinery and the standards that help its implementation.


Introduction to Servers for Industrial Applications

Introduction to Servers for Industrial Applications

Servers are vital to the flow of information in and around organizations, acting as a hub for information transfer and storage. Learn about the role of servers in industry and the potential challenges that come with maintaining them.


 Omron PLCs - A Hardware History

Omron PLCs - A Hardware History

With the first fuzzy logic-based controllers on the market in 1983, learn how the Japanese-born automation company, Omron, adopted fuzzy logic as a basis for the design of its current PLCs.


Understanding the Differences Between Protection Relays vs Control Relays

Understanding the Differences Between Protection Relays vs Control Relays

Protection systems are critical in today’s fast-paced industrial revolution for the safety of people and processes. This article discusses electronic protective relay types and how they differ from standard relays.


Differences Between a Programmable Logic Controller (PLC) and a Remote Terminal Unit (RTU)

Differences Between a Programmable Logic Controller (PLC) and a Remote Terminal Unit (RTU)

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


Robot Collision Recovery and Prevention

Robot Collision Recovery and Prevention

When a robot crashes, it needs to be put back into position. The steps in this process depends on the end user and the equipment manufacturer. Understanding why the robot crashed also helps prevent future failures.


Feedback for Fluid Cylinders: Bang Bang Control

Feedback for Fluid Cylinders: Bang Bang Control

Tracking the position of a hydraulic or pneumatic cylinder is often accomplished at a basic precision level, detecting only end stop limits with discrete digital values… But what methods accomplish this?


Understanding NPN vs PNP for Sensors and Devices

Understanding NPN vs PNP for Sensors and Devices

You are bound to encounter two terms associated with sensors and some loads: ‘NPN’ and ‘PNP’. You must understand the relationship between the field device and the control module in order to choose and install components properly when needed.


Managing Multi-user PLC Programming: Git Version Control

Managing Multi-user PLC Programming: Git Version Control

PLC and other automation project software can be easier and more efficient to update and maintain thanks to the introduction of Git control, already a staple for typical programming of large-scale projects.


Introduction to Safety Light Curtains: Operation and Installation 

Introduction to Safety Light Curtains: Operation and Installation 

Light curtains serve as an invisible barrier, keeping workers out of harm's way and protecting machinery from damage. Learn about safety curtains, how they are installed, and their programmable functions.


8 Steps To Successful Predictive Maintenance Implementation (with examples)

8 Steps To Successful Predictive Maintenance Implementation (with examples)

We'll run through the eight basic steps for implementing a predictive maintenance strategy in your business to improve critical asset availability, reduced maintenance costs, and enhanced revenues over time.