Wednesday, July 13, 2016

Learn More About How to Allen Bradley Ultrasonic Sensor reducing overall process rather than via multiple sensors implementations

Allen Bradley’s ultrasonic sensors technology is bridge for the need of the complexity of using multiple sensors for many applications. Through a single device ultrasonic technology which is also known as self-contained solid-state devices, user can get designed for non-contact sensing of liquid and solid objects. The technology lets for many applications like for monitoring the level of water in tank and other. Allen-Bradley’s sensors offered in various sensing ranges and styles with two different output of discrete or analog depending on the model.

allen bradley ultrasonic sensor
allen bradley ultrasonic sensor

In several industrial application, there are four different sensors offered as explained below:

  1. Allen Bradley’s 873E  for Clear Object Ultrasonic Sensors
  2. Right with the similar applications to the aforementioned sensors, the Clear Object Ultrasonic Sensors use the opposed-mode sensors that consist of a receiver and an emitter. The receiver is based on the microprocessor unit and capable to provide the improved noise immunity and temperature stability. The sensors provide sensing range spanning from 50 mm to 750 mm. Other features are including high visibility 360-degree status indicators, high immune to ambient sonic and electrical noise, 10.8 to 30V DC operations and many more.

  3. Allen Bradley’s 873C for Proximity-Style Ultrasonic Sensors
  4. Proximity-style ultrasonic sensors typically used in various industries like material handling, packaging, food processing and transportation. The ultrasonic sensor is capable to detect liquid or solid targets as set on target. Available two choices of this sensor, a standard diffuse mode with digital output. Proximity-Style Ultrasonic Sensors features 3-wire operation, 18-30V DC, 3-conductor connection, metal sensing, nonmetal solid sensing, and liquid sensing capability.

  5. Allen Bradley’s 873M for General Purpose Ultrasonic Sensors
  6. This type of sensors work based on the sound waves to detect solid or liquid objects/targets. The method provides the high compatibility with enhanced flexibility due to the usage in the limited space. Therefore, this type of sensor is very suitable for application that faced with photoelectric sensors. General Purpose Ultrasonic Sensors feature sensing range from 30 – 800 mm with straight or right-angle threaded 18mm housing.

  7. Allen Bradley’s 873P for Analog or Discrete Output Ultrasonic Sensors
  8. The analog or discrete output ultrasonic sensors aimed to solve the problem when effective anymore to use. It can be the answer for sensing targets which involving detections like clear, shiny or non-reflective targets. This type of sensors offers the simple push-button setup as well as a wider range of operation voltages. Beneficial features from this type of sensor are including synchronization on select models to prevent crosstalk, four output models, and pushbutton teach process with multiple LED indicators.  The analog or discrete output ultrasonic sensors can reach distance up to 6 meters (about 19.6 ft).


Through the mentioned sensing devices, Allen Bradley is a good starting point if you want a complete range of devices to detect the distance, absence, or presence of an object. The wide ranges of sensing devices are aimed to solve your industrial control system applications needs. Finally, through a single device technology will reduce to overall process rather than via multiple sensors implementations. In the case of style, consumer can take benefits from the availability of two different voltage outputs.


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