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Last modified by Mengting Qiu on 2024/09/05 17:35
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... ... @@ -23,18 +23,21 @@ 23 23 == 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor == 24 24 25 25 26 -The Dragino DDS 45-NB is a (% style="color:blue" %)**DistanceDetectionSensor**(%%) for Internet of Things solution. Itisused to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses(% style="color:blue" %)**ultrasonic sensingtechnology**(%%)for distancemeasurement,and(% style="color:blue" %)**temperaturecompensation**(%%) isperformedinternally toimprovethereliabilityof data.TheDDS45-NB canbe appliedto scenariossuch as horizontal distancemeasurement,liquid level measurement, parking management system, object proximity andpresencedetection,intelligenttrash canmanagementsystem, robot obstacle avoidance,automaticcontrol, sewer, bottomwater level monitoring, etc.26 +The Dragino DDS20-NB is a (% style="color:blue" %)**NB-IoT Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send IoT platform via NB-IoT network. 27 27 28 - Itdetectsthedistance(%style="color:blue"%)**betweenthemeasured object andthe sensor**(%%), andand sendIoT platformviaNB-IoT network.28 +The DDS20-NB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation. 29 29 30 -DDS 45-NBsupportsdifferentuplinkmethods including(% style="color:blue" %)**MQTT,MQTTs,UDP & TCP**(%%)fordifferentapplicationrequirement,and supportuplinks to variousIoT Servers.30 +DDS20-NB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**, **strong acids**, **strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers. 31 31 32 -DDS 45-NB(%style="color:blue" %)**supportsBLE configure**(%%)and(% style="color:blue" %)**OTAupdate**(%%)whichmakeusereasyto use.32 +DDS20-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers. 33 33 34 -DDS 45-NBis poweredby(% style="color:blue" %)**8500mAhLi-SOCI2 battery**(%%),itis designed forlong-term useupto severa years.34 +DDS20-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use. 35 35 36 -DDS 45-NBhasoptionallt-inSIMcard and defaultIoT serverconnectionversion. Which makesit workswithsimpleconfiguration.36 +DDS20-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years. 37 37 38 +DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration. 39 + 40 + 38 38 [[image:image-20230912102813-2.png||height="320" width="923"]] 39 39 40 40 ... ... @@ -43,10 +43,10 @@ 43 43 44 44 * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD 45 45 * Ultra-low power consumption 46 -* DistanceDetection by Ultrasonic technology47 -* Flatobjectrange30mm-4500mm48 -* Accuracy:±(1cm+S*0.3%)(S: Distance)49 -* Measure Angle: 60°49 +* Liquid Level Measurement by Ultrasonic technology 50 +* Measure through container, No need to contact Liquid 51 +* Valid level range 20mm - 2000mm 52 +* Accuracy: ±(5mm+S*0.5%) (S: Measure Value) 50 50 * Multiply Sampling and one uplink 51 51 * Support Bluetooth v5.1 remote configure and update firmware 52 52 * Uplink on periodically ... ... @@ -55,6 +55,7 @@ 55 55 * 8500mAh Battery for long term use 56 56 * Nano SIM card slot for NB-IoT SIM 57 57 61 + 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -100,6 +100,7 @@ 100 100 * STOP Mode: 10uA @ 3.3v 101 101 * Max transmit power: 350mA@3.3v 102 102 107 + 103 103 == 1.4 Suitable Container & Liquid == 104 104 105 105 ... ... @@ -110,6 +110,7 @@ 110 110 ** Pure non metal material: <10 mm 111 111 * Pure liquid without irregular deposition. 112 112 118 + 113 113 (% style="display:none" %) 114 114 115 115 == 1.5 Install DDS20-NB == ... ... @@ -216,6 +216,7 @@ 216 216 217 217 * Smart liquefied gas solution 218 218 225 + 219 219 == 1.7 Precautions == 220 220 221 221 ... ... @@ -256,6 +256,7 @@ 256 256 ))) 257 257 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode. 258 258 266 + 259 259 == 1.10 BLE connection == 260 260 261 261 ... ... @@ -326,10 +326,10 @@ 326 326 327 327 Below shows the network structure: 328 328 329 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS 45-NB_NB-IoT_Distance_Detection_Sensor_User_Manual/WebHome/image-20230912102813-2.png?width=923&height=320&rev=1.1||alt="image-20230912102813-2.png"]]337 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-NB_NB-IoT_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230911140426-2.png?width=951&height=320&rev=1.1||alt="image-20230911140426-2.png"]] 330 330 331 331 332 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS 45-NB.340 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-NB. 333 333 334 334 335 335 (% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS20-NB send data to IoT server. ... ... @@ -403,6 +403,7 @@ 403 403 404 404 * Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Temperature, Humidity, Sampling time. 405 405 414 + 406 406 === 2.2.2 HEX format Payload(Type~=0) === 407 407 408 408 ... ... @@ -521,6 +521,7 @@ 521 521 522 522 * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid. 523 523 533 + 524 524 === 2.3.3 Interrupt Pin === 525 525 526 526 ... ... @@ -601,6 +601,7 @@ 601 601 602 602 * (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge 603 603 614 + 604 604 = 3. Configure DDS20-NB = 605 605 606 606 == 3.1 Configure Methods == ... ... @@ -612,6 +612,7 @@ 612 612 613 613 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]. 614 614 626 + 615 615 == 3.2 AT Commands Set == 616 616 617 617 ... ... @@ -717,6 +717,7 @@ 717 717 718 718 * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**. 719 719 732 + 720 720 = 6. FAQ = 721 721 722 722 == 6.1 How can I access t BC660K-GL AT Commands? == ... ... @@ -773,6 +773,7 @@ 773 773 774 774 * Weight / pcs : 180g 775 775 789 + 776 776 = 10. Support = 777 777 778 778