Ultrasonic Range Finder LVPRO-EZ2-MB1024

Introduction

The LV-ProxSonar-EZ is a high performance proximity sensor designed for people and object detection that allows for simultaneous operation of multiple sensors in one environment. These ultrasonic proximity sensors detect objects in a calibrated detection zone. The sensors report when an object (such as a person) enters the detection zone. The target is released after leaving the LV-ProxSonar-EZ detection zone.

The LVPRO-EZ2-MB1024 provides proximity detection of objects out to a set distance, in an incredibly small package. This sensor allows users to integrate several sensors into one system and experience little to no effect from the sensor interference than can occur with other ultrasonic sensor solutions. The LV-ProxSonar-EZ features an easy to use logic level (high/low) output, and RS232 format serial output. The LV-ProxSonar-EZ2 has a detection zone of ~3 feet and will allow for 10+ simultaneous sensors.

Specifications/Features

• Resolution: 1-inch
• ~2.5 second target acquire time
• ~1.5 second target release time
• Operating voltage: 2.5-5.5V
• Average current requirement: 2.0mA
• Range: 6 inches to 254 inches (21 Feet)
• Proximity detection from 1 mm to 3 feet
• Output formats are:
  -RS232 serial output (9600 Baud Rate)
  -Logic Level (High/Low)
• Sensor operates at 42kHz
• Virtually no sensor dead zone, objects closer than 6 inches range as 6 inches
• People sensor
• Free run operation continually measures and outputs proximity information
• Designed for protected indoor environments
• No. of Sensors that can run in the same space: 10+

LV-ProxSonar-EZ Timing Description
250mS after power-up, the LV-ProxSonar-EZ is ready to accept the RX command. If the RX pin is left open or held high, the sensor will first run a calibration cycle (49mS), and then it will take a range reading (49mS). After the power up delay, the first reading will take an additional ~100mS. Subsequent readings will continue to occur every 50ms to 300ms.

When an object is placed in the sensor detection zone, the sensor will “acquire” the target in ~2.5 seconds and begin sending the appropriate serial output and set the PW pin high.

If the detected object then leaves the sensor detection zone the sensor will “release” the target ~1.5 seconds later. At this time, the PW pin will be set low. Release time can be influenced by other nearby sensors and may appear to be longer in applications with many nearby sensors.

Dimensions

Documents

LV-ProxSonar-EZ2 sensor datasheet
LV-ProxSonar-EZ2 sensor Beam width explanation
Maxbotics FAQ

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