PLCs and microprocessors have largely replaced timing functions in control circuits. But these timer relays still hold many necessary tasks. What’s inside…
PLCs and microprocessors have largely replaced timing functions in control circuits. But these timer relays still hold many necessary tasks. What’s inside these devices might be more complex than you imagined!
We know that servo motors are found inside machines that rely on precise motion with feedback to verify proper operation,…
We know that servo motors are found inside machines that rely on precise motion with feedback to verify proper operation, but how do they work, and what makes them different from any other kind of motor?
Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the…
Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the theory of operation, but what is inside a 3-phase motor? Take a look, and learn how they work.
When accurate positioning and speed control is needed, most engineers turn to servo motors or stepper motors, but what is…
When accurate positioning and speed control is needed, most engineers turn to servo motors or stepper motors, but what is the difference between the two, and which is the right choice?
Human-machine interfaces, or HMIs, provide visual process data and allow access to process parameters and diagnostics…
Human-machine interfaces, or HMIs, provide visual process data and allow access to process parameters and diagnostics information. What’s inside these touchscreen displays, and how do they actually work?
Air power drives a lot of modern equipment. Robot grippers, ejectors, actuators, and rotary tables are just a few of the…
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 communication channels often contain terms such as ‘Modbus over RS485’ or ‘CIP Safety over Ethernet’.…
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?
With the first fuzzy logic-based controllers on the market in 1983, learn how the Japanese-born automation company,…
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.
When a robot crashes, it needs to be put back into position. The steps in this process depends on the end user and the…
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.
Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in…
Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in reverse? How can an alternating voltage attract and hold the load consistently?
Industrial analog sensor devices primarily use 0-10 volt or 4-20 milliamp. For those mA signals, learn the reasons for…
Industrial analog sensor devices primarily use 0-10 volt or 4-20 milliamp. For those mA signals, learn the reasons for why the lower and upper limit standards were determined as 4 mA and 20 mA.
Ambient light, reflection, and transparent objects can all cause difficulties during machine vision applications. Learn…
Ambient light, reflection, and transparent objects can all cause difficulties during machine vision applications. Learn about these issues and some potential solutions to better ensure safety and quality.
An EOAT, located at the end of an industrial or collaborative robot arm, is entirely customizable with nearly unlimited…
An EOAT, located at the end of an industrial or collaborative robot arm, is entirely customizable with nearly unlimited possibilities. Learn about the five main methods of how EOATs are powered and the sensors that they use.
In this article, we will take a look at the differences between synchronous and induction motors, as well as the two…
In this article, we will take a look at the differences between synchronous and induction motors, as well as the two types of induction motors: squirrel cage and wound rotor.
Robots are no longer unanimously just "robots"—there are specific tasks and functionality of each kind. Learn about the…
Robots are no longer unanimously just "robots"—there are specific tasks and functionality of each kind. Learn about the technology differences between fixed-location robots and mobile robots and why no one robot is like another.
Learn about the common applications, programming procedures, and safety protocols of collaborative robot work cells,…
Learn about the common applications, programming procedures, and safety protocols of collaborative robot work cells, which are often simpler and less expensive than industrial robot work cells.
There are many distributed fieldbus capabilities for valve manifolds that can save on network overhead and wiring. In…
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.
In the world of modern manufacturing, we want the tools to be effective, safe, and very easy to install and commission.…
In the world of modern manufacturing, we want the tools to be effective, safe, and very easy to install and commission. But when we say ‘easy’, how easy can it really be to commission robotic tools?
What if you could control the end position and the speed of a hydraulic actuator accurately with just a simple signal?…
What if you could control the end position and the speed of a hydraulic actuator accurately with just a simple signal? Some systems use simple open/close valves, but others require far more precision.
Redundancy and safety are often seen together in industrial safety systems. Safety relays monitor emergency devices to…
Redundancy and safety are often seen together in industrial safety systems. Safety relays monitor emergency devices to switch contacts based on status - but what makes them different from normal relays?