Latest Metal Technical Articles

Hydraulic pumps take energy from a source, usually an electric motor or combustion engine, and turn it into a usable…

Hydraulic pumps take energy from a source, usually an electric motor or combustion engine, and turn it into a usable force to complete work. What kind of hydraulic pumps exist, and how do they work?

Is it best to ‘controller scope’ or ‘program scope’ your tags? This is the question asked by many new PLC…

Is it best to ‘controller scope’ or ‘program scope’ your tags? This is the question asked by many new PLC programmers, and it often comes down to personal preference.

Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved…

Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved in automation applications for cable-to-cable or cable-to-device termination.

Any kind of computer programming can be challenging to determine what aspects are truly unique versus what aspects should…

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.

System dynamics is primarily concerned with understanding complex systems’ behaviors over time. Mathematical and…

System dynamics is primarily concerned with understanding complex systems’ behaviors over time. Mathematical and computer models can help identify responses before turning to costly real-world experiments.

Engineers face a common challenge of moving objects from one point to another, especially in a production line. This…

Engineers face a common challenge of moving objects from one point to another, especially in a production line. This article will introduce the pneumatic cylinder as used in industrial automation.

This article features an in-depth discussion of the various options for buttons and switches, including function, styles,…

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.

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems:…

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems: heavy equipment, overhead cranes, and even some robotic controls. But how do they work?

Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to…

Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to heat or cool the system as needed. Simulate a temp controller with low-cost components!

Mitsubishi's FX series PLC is one of MELSOFT GX Developer’s most popular automation solutions for small and…

Mitsubishi's FX series PLC is one of MELSOFT GX Developer’s most popular automation solutions for small and medium-scale applications. Learn how to use GX Developer software to program the FX series PLC.

Vibration sensors measure the mechanical vibration of an object, making it possible to monitor machines for early signs…

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.

Understanding torque is a key method of preventing damage to machines and ensuring a long lifespan. We have all heard of…

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?

AutomationDirect’s Productivity line of PLCs is known for cost-effectiveness and ease of use. Learn how to build and…

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.

Limit switches are electromechanical devices that open or close contacts when external pressure is applied to an…

Limit switches are electromechanical devices that open or close contacts when external pressure is applied to an actuator. This solves a simple problem faced by motion devices: limiting movement

Engineering processes like robotics, feedback control, and security systems rely on position and distance sensors to…

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.

MEMS sensors enable the creation of highly sensitive, compact, and low-power devices for measuring quantities like…

MEMS sensors enable the creation of highly sensitive, compact, and low-power devices for measuring quantities like acceleration, magnetic fields, pressure, and more, and are found in automotive safety systems, navigation, and environmental monitoring.

Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and…

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.

There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and…

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.

Converting thermal energy into electrical signals, temperature sensors such as RTDs and thermocouples are fundamental in…

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.