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Archive For: Discrete Sensing

Distance Measuring | Automation Notes

Distance Measuring | Automation Notes

Object detection is sensing if an object is in proximity or not – that’s it, you get an ON or an OFF signal. A more advanced object detection function involves measuring the actual distance of an object from the sensing point. Ultrasonic sensors and laser distance sensors are commonly used to measure how far away ... Read More
 
Object Detection | Automation Notes

Object Detection | Automation Notes

A common function of a control system is detecting the presence of an object. Whether you are detecting the presence of an object passing by on a conveyor, the closure of a gate or the position of a machine part as it goes through its motions, object detection is a staple of the automation industry. There are ... Read More
 
Ladder Logic in Action

Ladder Logic in Action

Ladder logic programming for industrial controllers has evolved significantly over the past 30 years, and now supports advanced functionality such as process control, motion control, data manipulation, networking, and data acquisition. However, when you start with a blank page to design a new control system, large or small, there are many basic functions this tried-and-true ... Read More
 
Got Sensors?

Got Sensors?

Photoelectric, proximity and capacitive sensors are used in a wide variety of machines and industrial equipment, but selecting the best sensor for the job can be confusing. This blog post and the accompanying articles will help you sort out the best sensor for your application. During sensor selection, it’s important to understand sensor requirements and specifications ... Read More
 
AutomationDirect Adds Harsh-Duty Photoelectric Sensors

AutomationDirect Adds Harsh-Duty Photoelectric Sensors

AutomationDirect’s new FM series harsh duty photoelectric sensors are IP69K-rated sensors in three-wire NPN or PNP styles and are available in 27 washdown models. Ideal for food and beverage applications, the 10-30 VDC rectangular sensors are fitted with 316L stainless steel housings and are available in diffuse, diffuse with background suppression and polarized retroreflective styles ... Read More
 
AutomationDirect Expands Proximity Sensor Line

AutomationDirect Expands Proximity Sensor Line

AutomationDirect’s new PN series inductive proximity sensors are IP 69K-rated short-body sensors with metal housings.  These three-wire 10-30 VDC sensors are equipped with LED status indicators and are available with an attached two-meter output cable or M12 quick-disconnect. All styles are available with shielded or unshielded housings as well as normally-open or normally-closed and PNP ... Read More
 
AutomationDirect Adds More Inductive Proximity Sensors

AutomationDirect Adds More Inductive Proximity Sensors

AutomationDirect’s new APS series inductive proximity sensors are IP67-rated rectangular compact DC sensors available in top or front sensing models with 2.5mm and 4mm sensing ranges. Available in two-wire or three-wire configurations, the 10-30 VDC high-frequency oscillation type sensors are fitted with polycarbonate unshielded housings and LED status indicators. The APS series is available with ... Read More
 
AutomationDirect Expands AcuAMP® Current Sensor Line

AutomationDirect Expands AcuAMP® Current Sensor Line

AutomationDirect’s AcuAMP series of AC and DC current sensors is a family of high-performance current sensors offering outstanding features flexibility and durability. Designed in a rugged industry-standard feed-through package, AcuAMP current sensors provide maximum flexibility across many current ratings. The new ACSN100-AE-F AC current switch ($28) features a fixed setpoint of 0.5A and monitors conductor ... Read More
 
What Type of Photoelectric Sensor Is Best For Me?

What Type of Photoelectric Sensor Is Best For Me?

There are many different styles of photoelectric sensors, but really only four basic technologies: through-beam, reflective, diffuse, and background suppression. The chart describes some advantages and disadvantages of each technology. To learn more about AutomationDirect’s photoelectric sensors visits www.AutomationDirect.com/photoelectric.   Through-beam Reflective Diffuse Background Suppression To read more articles about discrete sensing, click here.
 
Choosing The Right Proximity Sensor

Choosing The Right Proximity Sensor

Proximity sensors allow non-contact detection of objects. Therefore, they are used in many industries, including manufacturing, robotics, semiconductor, and many more. Inductive sensors detect metallic objects while capacitive sensors detect all other materials. Ultrasonic sensors detect all materials by using sound wave reflections to determine presence. All applications have certain specific needs, but, in general, the ... Read More