XL-MaxSonar - WR/WRC Series XL-MaxSonar - WR/WRC Series High Performance, IP67 Weather Resistant, Ultrasonic Range Finder MB7051, MB7052, MB7053, MB7060, MB7062, MB7066, 3 MB7070, MB7072, MB7076, MB7092, MB7150, MB7155 The XL-MaxSonar-WR and XL-MaxSonar-WRC sensor series provide users with robust range information in air. These sensors also feature high-power acoustic output along with real-time auto sensitivity adjustment for changing conditions (supply voltage sag, acoustic noise, or electrical noise), operation with supply voltage from 3V to 5.5V, object detection from 0-cm to 765-cm (select models) or 1 1068-cm (select models), and sonar range information from 20-cm out to 765- 1 cm (select models) or 1068-cm (select models) with 1-cm resolution. Objects from 0-cm to 20-cm range as 20- 1 cm or closer. The sensor is housed in a robust PVC housing, designed to meet the IP67 water intrusion standard, and matches standard electrical/water PVC pipe fittings. The user interface formats included are pulse-width (select models), real-time analog-voltage envelope (select models), analog voltage output, and serial output. 1 25-cm MB7052, MB7092 Pipe and Compact 50-cm for the MB7051 and MB7053 horned part Analog, (Vcc/1024) / cm for Features Applications and Uses standard models Real-time auto sensitivity adjustment Tank level measurement Analog, (Vcc/1024) / 2-cm for and noise rejection Bin level measurement 10-meter models (MB7051, High acoustic power output Proximity zone detection MB7053, MB7066, MB7076) Precise narrow beam Environments with acoustic and Sensor operates at 42KHz Object detection includes zero range electrical noise Benefits objects Distance measuring Acoustic and electrical noise 3V to 5.5V supply with very low Long range object detection 2 resistance average current draw Super high sensitivity for long range Reliable and stable range data Free run operation can continually small object detection (MB7051 & Robust, low cost IP67 standard measure and output range information MB7053) 10Hz refresh rate (MB7060, sensor Industrial sensor -40C to +65C 2 MB7062, MB7066, MB7070, Narrow beam characteristics (limited operation to +85C) MB7072, MB7076, MB7092, Very low power excellent for battery MB7150, MB7155) based systems Notes: 1 6.6Hz refresh rate (MB7052) Minimum distance is 25-cm for the MB7052, MB7092 Ranging can be triggered externally Pipe and Compact, 50-cm for the MB7051 and MB7053 5.1Hz refresh rate (MB7051, or internally horned part. 2 MB7053) Please reference page 13 for minimum operating voltage Sensor reports the range reading verses temperature information Triggered operation provides the directly, frees up user processor 3 Please reference page 23 for part number key range reading as desired Easy hole mounting or mating with All interfaces are active standard electrical fittings simultaneously Filtering allows very reliable RS232/TTL Serial, 0 to Vcc, 9600 operation in most environments Baud, 81N Close Range Operation Applications requiring 100% reading-to-reading reliability should not use MaxSonar sensors at a distance closer than 20- 1 1 cm . Although most users find MaxSonar sensors to work reliably from 0 to 20-cm 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. 1 25-cm (MB7052, MB7092 Pipe and compact 50-cm for the MB7051 and MB7053 horned part 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. Page 1 MaxBotix Inc., products are engineered and assembled in the USA MaxBotix Inc. Web: www.maxbotix.com Copyright 2005 - 2021 MaxBotix Incorporated PD11838w Patent 7,679,996 XL-MaxSonar - WR/WRC Series XL-MaxSonar-WR/WRC Pin Out Pin 1- Leave open (or high) for serial output on the Pin 5 output. When Pin 1 is held low the Pin 5 output sends a pulse (instead of serial data), suitable for low noise chaining. Pin 2- This pin outputs a pulse-width representation of range. To calculate the distance, use a scale factor of 58uS per cm. (MB7051, MB7052, MB7053, MB7060, MB7062, MB7066) This pin outputs the analog voltage envelope of the acoustic waveform. For the MB7070 series and MB7092 sensors, this is a real-time always-active output (MB7070, MB7072, MB7076, MB7092, MB7150, MB7155) Pin 3- AN-This pin outputs analog voltage with a scaling factor of (Vcc/1024) per cm. A supply of 5V yields ~4.9mV/ cm., and 3.3V yields ~3.2mV/cm. Hardware limits the maximum reported range on this output to ~700 cm at 5V and ~600 cm at 3.3V. The output is buffered and corresponds to the most recent range data. For the 10-meter sensors (MB7051, MB7053, MB7066, MB7076) Pin 3 outputs an analog voltage with a scaling of (Vcc/1024) per 2-cm. A supply of 5V yields ~4.9mV/2-cm., and 3.3V yields ~3.2mV/2-cm. This Analog Voltage output steps in 2-cm increments. Pin 4- RX- This pin is internally pulled high. If Pin-4 is left unconnected or held high, the sensor will continually measure the range. If Pin-4 is held low the sensor will stop ranging. Bring high 20uS or more to command a range reading. Pin 5- TX- When Pin 1 is open or held high, the Pin 5 output delivers asynchronous serial data in an RS232* format, except the voltages are 0-Vcc. The output is an ASCII capital R, followed by ASCII character digits representing the range in centimeters up to a maximum of 765 (select models) or 1068 (select models), followed by a carriage return (ASCII 13). The baud rate is 9600, 8 bits, no parity, with one stop bit. Although the voltages of 0V to Vcc are outside the RS232* standard, most RS232* devices have sufficient margin to read the 0V to Vcc serial data. If standard voltage level RS232* is desired, invert, and connect an RS23* converter such as a MAX232.When Pin 1 is held low, the Pin 5 output sends a single pulse, suitable for low noise chaining (no serial data). *The MB7150 & MB7155 are TTL output format (inverted RS232) and follow the same ASCII data structure V+ Operates on 3V - 5.5V. The average (and peak) current draw for 3.3V operation is 2.1mA (50mA peak) and 5V operation is 3.4mA (100mA peak) respectively. Peak current is used during sonar pulse transmit. Please reference page 13 for minimum operating voltage verses temperature information. GND-Return for the DC power supply. GND (& V+) must be ripple and noise free for best operation. About Ultrasonic Sensors Our ultrasonic sensors are desired for use in air, non-contact object detection and ranging sensors that detect objects within a defined 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. Auto Sensitivity Adjustment Each time before the XL-MaxSonar-WR takes a range reading it auto calibrates. The sensor then uses this data to range objects. If the temperature, humidity, or applied voltage changes during sensor operation, the sensor will continue to function normally. (The sensors do not apply compensation for the speed of sound change verses temperature to any range readings.) If the application requires temperature compensation please look at the HRXL-MaxSonar-WR sensor line. Supply Voltage Compensation During power up, the XL-MaxSonar-WR sensor line will calibrate itself for the supply voltage. Additionally, the sensor will compensate if the supplied voltage gradually changes. If the average voltage applied to the sensor changes faster than 0.5V per second, it is best to remove and reapply power to the sensor. For best operation, the sensor requires noise free power. If the sensor is used with noise on the supplied power or ground, the accuracy of the readings may be affected. Typically, adding a 100uF capacitor at the sensor between the V+ and GND pins will correct most power related electrical noise issues. Page 2 MaxBotix Inc., products are engineered and assembled in the USA MaxBotix Inc. Web: www.maxbotix.com Copyright 2005 - 2021 MaxBotix Incorporated PD11838w Patent 7,679,996