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MB1240 Schematic ( PDF Datasheet ) - MaxBotix

Teilenummer MB1240
Beschreibung High Performance Sonar Range Finder
Hersteller MaxBotix
Logo MaxBotix Logo 




Gesamt 15 Seiten
MB1240 Datasheet, Funktion
XL-MaxSonar® - EZ/AE™ Series
XL-MaxSonar®- EZ™ Series
High Performance Sonar Range Finder
MB1200, MB1210, MB1220, MB1230, MB1240, MB1260, MB1261
MB1300, MB1310, MB1320, MB1330, MB1340, MB1360, MB1361
The XL-MaxSonar-EZ series has high power output along with real-time auto calibration for
changing conditions (temperature, voltage and acoustic or electrical noise) that ensure you
receive the most reliable (in air) ranging data for every reading taken. The XL-MaxSonar-EZ/AE sensors have a low power
requirement of 3.3V – 5.5V and operation provides very short to long-range detection and ranging, in a tiny and compact form factor.
The MB1200 and MB1300 sensor series detects objects from 0-cm1 to 765-cm (25.1 feet) or 1068cm (35 feet) (select models) and
provide sonar range information from 20-cm2 out to765-cm or 1068-cm (select models) with 1-cm resolution. Objects from 0-cm1 to
20-cm2,3 typically range as 20-cm2,3. The interface output formats included are pulse width output (MB1200 series), real-time analog
voltage envelope (MB1300 series), analog voltage output, and serial digital output.
1Objects from 0-mm to 1-mm may not be detected. 2For the MB1200/MB1300, MB1210/1310, MB1260/MB1360, and MB1261/MB1361, this distance is 25-cm. 3Please see Close Range Operation
Features
Benefits
Applications and Uses
High acoustic power output
Acoustic and electrical noise
Real-time auto calibration and noise resistance
rejection for every ranging cycle
Reliable and stable range data
Calibrated beam angle
Low cost
Continuously variable gain
Quality controlled beam
Object detection as close as 1-mm
characteristics
from the sensor
Very low power ranger, excellent for
3.3V to 5.5V supply with very low
average current draw6
multiple sensor or battery based
systems
Readings can occur up to every
Ranging can be triggered externally
100mS, (10-Hz rate)
or internally
Free run operation can
Sensor reports the range reading
continually measure and output range directly, frees up user processor
information
Fast measurement cycle
Triggered operation provides the
User can choose any of the sensor
range reading as desired
outputs
Pulse Width (MB1200 series)
Easy mounting
Real-time analog envelope (MB1300 No power up calibration required
series)
Perfect for objects may be directly in
All interfaces are active
front of the sensor during power up
simultaneously
Sensor operates at 42KHz
Serial, 0 to Vcc, 9600Baud, 81N
Analog, (Vcc/1024) / cm4
Analog, (Vcc/1024 / 2cm5
Bin level measurement
Proximity zone detection
People detection
Robot ranging sensor
Autonomous navigation
Environments with acoustic and
electrical noise
Multi-sensor arrays
Distance measuring
Long range object detection
Users who prefer to process the
analog voltage envelope (MB1300
series)
-40°C to +65°C operation (+85°C
limited operation) (40°C to 0°C
recommended operation in
environments that are non-frosting,
non-condensation, and indoor only)
Notes:
4 MB1200 through MB1240 and MB1300
through MB1340
5 MB1260, MB1261, MB1360, MB1361
6See page 2, Pin 6 Vcc Operation
Close Range Operation
Applications requiring 100% reading-to-reading reliability should not use MaxSonar sensors at a distance closer than
20cm. Although most users find MaxSonar sensors to work reliably from 0 to 20cm (25cm select models) 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.
______________________________________________________________________________________________________________________________________
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 - 2015 MaxBotix Incorporated
Patent 7,679,996
MaxBotix Inc., products are engineered and assembled in the USA.
Page 1
Web: www.maxbotix.com
PD11840d






MB1240 Datasheet, Funktion
XL-MaxSonar® - EZ/AE™ Series
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-EZ 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 sensor 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 positioned in comparison to each other. Testing is recommend to verify this method
will work for your application. All the sensors RX pins are conned 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 - 2015 MaxBotix Incorporated
Patent 7,679,996
MaxBotix Inc., products are engineered and assembled in the USA.
Page 6
Web: www.maxbotix.com
PD11840d

6 Page









MB1240 pdf, datenblatt
MB1240/MB1340: XL-MaxSonar-EZ/AE4
XL-MaxSonar® - EZ/AE™ Series
The XL-MaxSonar-EZ/AE4 is the least sensitive and narrowest beam pattern in the XL-MaxSonar-EZ/AE sensor series.
This makes the senor great for applications in which there is a large amount of acoustic. The MB1240/MB1340 sensor is
also recommended in applications where only large target detection is required.
_______________________________________________________________________________________________________________________________________
_______________________________________________________________________________________________________________________________________
MB1240/MB1340
Features and Benefits
Narrowest beam in the
XL-MaxSonar-EZ/AE sensor line
Low power consumption
Easy to use interface
Large target detection
Acoustic noise rejection
3.3v to 5.5v operational voltage
MB1240/MB1340
Applications and Uses
Great for people detection
Security
Motion detection
Recommended for multi-copters and
UAV’s
Used with battery power
Autonomous navigation
Educational and hobby robotics
Collision avoidance
MaxBotix® Inc.
Copyright 2005 - 2015 MaxBotix Incorporated
Patent 7,679,996
MaxBotix Inc., products are engineered and assembled in the USA.
Page 12
Web: www.maxbotix.com
PD11840d

12 Page





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