Latest Lumber and Hardwood Technical Articles

Categories

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.


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?


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.


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.


Developing Standardized Practices for PLC Programming

Developing Standardized Practices for PLC Programming

Any kind of computer programming can be challenging to determine what aspects are truly unique versus what aspects should be standardized across projects and platforms to streamline future development.


Back to the Basics: Understanding Industrial Buttons and Switches

Back to the Basics: Understanding Industrial Buttons and Switches

This article features an in-depth discussion of the various options for buttons and switches, including function, styles, shapes, and illumination options for all kinds of control panel inputs.


The Mechanic’s View of Control: Belt Drives

The Mechanic’s View of Control: Belt Drives

Rubber belts have lived under the hood of nearly every car since they first took to the streets, but they also transmit power through all kinds of industrial machine drives as well.


Vibration Sensors For Use In Condition Monitoring

Vibration Sensors For Use In Condition Monitoring

Vibration sensors measure the mechanical vibration of an object, making it possible to monitor machines for early signs of failure to prevent costly and dangerous breakdowns.


Measuring the Force of Rotation: Torque Sensors

Measuring the Force of Rotation: Torque Sensors

Understanding torque is a key method of preventing damage to machines and ensuring a long lifespan. We have all heard of torque, but what is it, and how is it measured in automated systems?


How To: Simple Programming with AutomationDirect Productivity PLCs

How To: Simple Programming with AutomationDirect Productivity PLCs

AutomationDirect’s Productivity line of PLCs is known for cost-effectiveness and ease of use. Learn how to build and download a simple program using discrete input and output ladder commands.


Accurate Tracking: A Look at Position and Distance Sensors

Accurate Tracking: A Look at Position and Distance Sensors

Engineering processes like robotics, feedback control, and security systems rely on position and distance sensors to provide real-time information that enables machines to operate accurately and safely.


Introduction to Sequence Valve Control in Fluid Flow Systems

Introduction to Sequence Valve Control in Fluid Flow Systems

Fluid flow control is often crucial to control systems and can be achieved by incorporating control valves. In this article, we will look at the sequence valve and its use in systems to automate fluid flow.


The Mechanic’s View of Control: Types of Gear Drives

The Mechanic’s View of Control: Types of Gear Drives

Although electrical systems often receive the highest praise for advancement, precision, and technological innovation, the world would be stuck without mechanical power delivery systems like gear drives.


Understanding Power Factor Correction in Single Phase and Three Phase

Understanding Power Factor Correction in Single Phase and Three Phase

In today's modern, digitally connected world, reliable and continuous power availability, together with power quality, help optimize power consumption hence improving distribution system efficiency.


Pressure Sensor Fundamentals and Types

Pressure Sensor Fundamentals and Types

Pressure sensors are essential tools in industrial applications, required wherever there is a hydraulic or pneumatic system to keep pressure quantities under control.


When To Calibrate: Making Sense of Calibration Intervals

When To Calibrate: Making Sense of Calibration Intervals

Calibration is performed on a regular basis to ensure proper measurement tool function, but how do we determine the proper interval? Factors include environment, usage, and level of dependence on proper function.


Control Wiring for Variable Frequency Drives (VFDs)

Control Wiring for Variable Frequency Drives (VFDs)

Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and 3-wire digital input control schemes for ABB, Omron, Rockwell, and others.


Fluid or Electric Power? Understanding Hydraulic and Pneumatic Motors

Fluid or Electric Power? Understanding Hydraulic and Pneumatic Motors

There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and pneumatic motors that can lend advantages in some situations.


Understanding Temperature Sensors and Their Use in Industrial Automation

Understanding Temperature Sensors and Their Use in Industrial Automation

Converting thermal energy into electrical signals, temperature sensors such as RTDs and thermocouples are fundamental in the maintenance and operation of industrial environments and equipment.