MB7076 Ver la hoja de datos (PDF) - Unspecified
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MB7076 Datasheet PDF : 27 Pages
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XL-MaxSonar® - WR/WRC™ Series
XL-MaxSonar-WR Sensor Operating Modes
Independent Sensor Operation
The XL-MaxSonar-WR sensors are designed to operate in a single sensor environment. Free-run is the default mode of
operation for all of the MaxBotix Inc., sensors. The XL-MaxSonar-WR sensors have three separate outputs that update the
range data simultaneously: Analog Voltage, Pulse Width1, and RS232 Serial. Below are diagrams on how to connect the
sensor for each of the three outputs. Note 1 - select models output an Analog Envelope for end user processing (MB707X sensors and MB7092)
Using Multiple Sensors in a Single System
When using multiple ultrasonic sensors in a single system, there can be interference (cross-talk) from the other sensors.
MaxBotix Inc., has engineered a solution to this problem for the XL-MaxSonar-WR sensors. The solution is referred to as
chaining. We have 3 methods of chaining that work well to avoid the issue of cross-talk.
The first method is AN Output Commanded Loop. The first sensor will range, then trigger the next sensor to range and so
on for all the sensors in the array. Once the last sensor has ranged, the array stops until the first sensor is triggered to range
again. Below is a diagram on how to set this up.
The next method is AN Output Constantly Looping. The first sensor will range, then trigger the next sensor to range and
so on for all the sensor in the array. Once the last sensor has ranged, it will trigger the first sensor in the array to range
again and will continue this loop indefinitely. Below is a diagram on how to set this up.
The final method is AN Output Simultaneous Operation. This method does not work in all applications and is sensitive to
how the other sensors in the array are physically positioned in comparison to each other. Testing is recommend to verify
this method will work for your application. All the sensors RX pins are connected together and triggered at the same time
causing all the sensor to take a range reading at the same time. Once the range reading is complete, the sensors stop
ranging until triggered next time. Below is a diagram on how to set this up.
MaxBotix® Inc.
Copyright 2005 - 2021 MaxBotix Incorporated
Patent 7,679,996
MaxBotix Inc., products are engineered and assembled in the USA
Page 11
Web: www.maxbotix.com
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