MB1030 반도체 회로 부품 판매점
High Performance Sonar Range Finder
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 MaxBotix |
LV-MaxSonar®-EZ™ Series
LV-MaxSonar® - EZ™ Series
High Performance Sonar Range Finder
MB1000, MB1010, MB1020, MB1030, MB1040
With 2.5V - 5.5V power the LV-MaxSonar-EZ provides very short to long-range
detection and ranging in a very small package. The LV-MaxSonar-EZ detects
objects from 0-inches to 254-inches (6.45-meters) and provides sonar range
information from 6-inches out to 254-inches with 1-inch resolution. Objects from 0-inches to 6-inches typically
range as 6-inches1. The interface output formats included are pulse width output, analog voltage output, and
RS232 serial output. Factory calibration and testing is completed with a flat object. 1See Close Range Operation
Features
Continuously variable gain for
control and side lobe suppression
Object detection to zero range objects
2.5V to 5.5V supply with 2mA
typical current draw
Readings can occur up to every
50mS, (20-Hz rate)
Free run operation can continually
measure and output range
information
Triggered operation provides the
range reading as desired
Interfaces are active simultaneously
Serial, 0 to Vcc, 9600 Baud, 81N
Analog, (Vcc/512) / inch
Pulse width, (147uS/inch)
Learns ringdown pattern when
commanded to start ranging
Designed for protected indoor
environments
Sensor operates at 42KHz
High output square wave sensor drive
(double Vcc)
Benefits
Very low cost ultrasonic rangefinder
Reliable and stable range data
Quality beam characteristics
Mounting holes provided on the
circuit board
Very low power ranger, excellent for
multiple sensor or battery-based
systems
Fast measurement cycles
Sensor reports the range reading
directly and frees up user processor
Choose one of three sensor outputs
Triggered externally or internally
Applications and Uses
UAV blimps, micro planes and some
helicopters
Bin level measurement
Proximity zone detection
People detection
Robot ranging sensor
Autonomous navigation
Multi-sensor arrays
Distance measuring
Long range object detection
Wide beam sensitivity
LV-MaxSonar-EZ Mechanical Dimensions
K
Paint Dot Location
Part Num-
ber
MB1000
MB1010
MB1020
MB1030
MB1040
Paint
Dot Color
Black
Brown
Red
Orange Yellow
J
Close Range Operation
Applications requiring 100% reading-to-reading reliability should not use MaxSonar sensors at a distance closer than
6 inches. Although most users find MaxSonar sensors to work reliably from 0 to 6 inches for detecting objects in many
applications, MaxBotix® Inc. does not guarantee operational reliability for objects closer than the minimum reported
distance. Because of ultrasonic physics, these sensors are unable to achieve 100% reliability at close distances.
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Warning: Personal Safety Applications
We do not recommend or endorse this product be used as a component in any personal safety applications. This product is
not designed, intended or authorized for such use. These sensors and controls do not include the self-checking redundant
circuitry needed for such use. Such unauthorized use may create a failure of the MaxBotix® Inc. product which may result
in personal injury or death. MaxBotix® Inc. will not be held liable for unauthorized use of this component.
MaxBotix® Inc.
Copyright 2005 - 2012 MaxBotix Incorporated
Patent 7,679,996
MaxBotix Inc., products are engineered and assembled in the USA.
Page 1
Web: www.maxbotix.com
PD11832b
LV-MaxSonar® - EZ™ Series
About Ultrasonic Sensors
Our ultrasonic sensors are in air, non-contact object detection and ranging sensors that detect objects within an area. These
sensors are not affected by the color or other visual characteristics of the detected object. Ultrasonic sensors use high
frequency sound to detect and localize objects in a variety of environments. Ultrasonic sensors measure the time of flight
for sound that has been transmitted to and reflected back from nearby objects. Based upon the time of flight, the sensor
then outputs a range reading.
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Pin Out Description
Pin 1-BW-*Leave open or hold low for serial output on the TX output. When BW pin is held high the TX output sends a
pulse (instead of serial data), suitable for low noise chaining.
Pin 2-PW- This pin outputs a pulse width representation of range. The distance can be calculated using the scale factor of
147uS per inch.
Pin 3-AN- Outputs analog voltage with a scaling factor of (Vcc/512) per inch. A supply of 5V yields ~9.8mV/in. and
3.3V yields ~6.4mV/in. The output is buffered and corresponds to the most recent range data.
Pin 4-RX– This pin is internally pulled high. The LV-MaxSonar-EZ will continually measure range and output if RX
data is left unconnected or held high. If held low the sensor will stop ranging. Bring high for 20uS or more to
command a range reading.
Pin 5-TX- When the *BW is open or held low, the TX output delivers asynchronous serial with an RS232 format, except
voltages are 0-Vcc. The output is an ASCII capital “R”, followed by three ASCII character digits representing the
range in inches up to a maximum of 255, followed by a carriage return (ASCII 13). The baud rate is 9600, 8 bits, no
parity, with one stop bit. Although the voltage of 0-Vcc is outside the RS232 standard, most RS232 devices have
sufficient margin to read 0-Vcc serial data. If standard voltage level RS232 is desired, invert, and connect an RS232
converter such as a MAX232. When BW pin is held high the TX output sends a single pulse, suitable for low noise
chaining. (no serial data)
Pin 6-+5V- Vcc – Operates on 2.5V - 5.5V. Recommended current capability of 3mA for 5V, and 2mA for 3V.
Pin 7-GND- Return for the DC power supply. GND (& Vcc) must be ripple and noise free for best operation.
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Range “0” Location
The LV-MaxSonar-EZ reports the range to distant targets starting from the front of the sensor as shown in the diagram
below.
Range Zero
The range is measured from the front of the transducer.
In general, the LV-MaxSonar-EZ will report the range to the leading edge of the closest detectable object. Target
detection has been characterized in the sensor beam patterns.
Sensor Minimum Distance
The sensor minimum reported distance is 6-inches (15.2 cm). However, the LV-MaxSonar-EZ will range and report
targets to the front sensor face. Large targets closer than 6-inches will typically range as 6-inches.
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Sensor Operation from 6-inches to 20-inches
Because of acoustic phase effects in the near field, objects between 6-inches and 20-inches may experience acoustic phase
cancellation of the returning waveform resulting in inaccuracies of up to 2-inches. These effects become less prevalent as
the target distance increases, and has not been observed past 20-inches.
MaxBotix® Inc.
Copyright 2005 - 2012 MaxBotix Incorporated
Patent 7,679,996
MaxBotix Inc., products are engineered and assembled in the USA.
Page 2
Web: www.maxbotix.com
PD11832b
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