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... ... @@ -23,30 +23,33 @@ 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 - [[image:image-20230912102813-2.png||height="320"width="923"]]38 +DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration. 39 39 40 40 41 +[[image:image-20230911140426-2.png||height="320" width="951"]] 42 + 43 + 41 41 == 1.2 Features == 42 42 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 ... ... @@ -100,64 +100,147 @@ 100 100 * STOP Mode: 10uA @ 3.3v 101 101 * Max transmit power: 350mA@3.3v 102 102 103 -== 1.4 Rated environmental conditions == 104 104 108 +== 1.4 Suitable Container & Liquid == 105 105 106 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %) 107 -|(% style="background-color:#4f81bd; color:white; width:163px" %)**Item**|(% style="background-color:#4f81bd; color:white; width:90px" %)**Minimum value**|(% style="background-color:#4f81bd; color:white; width:70px" %)**Typical value**|(% style="background-color:#4f81bd; color:white; width:87px" %)**Maximum value**|(% style="background-color:#4f81bd; color:white; width:40px" %)**Unit**|(% style="background-color:#4f81bd; color:white; width:50px" %)**Remarks** 108 -|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %) 109 -|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1) 110 -|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %) 111 -|(% style="width:174px" %)Working humidity|(% style="width:86px" %)((( 112 - 113 113 114 - 115 -)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1) 111 +* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc. 112 +* Container shape is regular, and surface is smooth. 113 +* Container Thickness: 114 +** Pure metal material. 2~~8mm, best is 3~~5mm 115 +** Pure non metal material: <10 mm 116 +* Pure liquid without irregular deposition. 116 116 118 + 119 +(% style="display:none" %) 120 + 121 +== 1.5 Install DDS20-NB == 122 + 123 + 124 +(% style="color:blue" %)**Step 1**(%%): ** Choose the installation point.** 125 + 126 +DDS20-NB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position. 127 + 128 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-3.png?rev=1.1||alt="image-20220615091045-3.png"]] 129 + 130 + 117 117 ((( 118 -(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); ** 132 +(% style="color:blue" %)**Step 2**(%%): **Polish the installation point.** 133 +))) 119 119 120 -(% style="color:red" %)** b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 135 +((( 136 +For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth. 137 +))) 121 121 122 - 139 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230613143052-5.png?rev=1.1||alt="image-20230613143052-5.png"]] 140 + 141 + 142 +No polish needed if the container is shine metal surface without paint or non-metal container. 143 + 144 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230613143125-6.png?rev=1.1||alt="image-20230613143125-6.png"]] 145 + 146 + 147 +((( 148 +(% style="color:blue" %)**Step3: **(%%)**Test the installation point.** 123 123 ))) 124 124 125 -== 1.5 Effective measurement range Reference beam pattern == 151 +((( 152 +Power on DDS20-NB, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point. 153 +))) 126 126 155 +((( 156 +It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-NB won't detect the liquid level. 157 +))) 127 127 128 -(% style="color:blue" %)**1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** 159 +((( 160 +After paste the DDS20-NB well, power on DDS20-NB. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life. 161 +))) 129 129 130 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]] 131 131 164 +((( 165 +(% style="color:blue" %)**LED Status:** 166 +))) 132 132 133 -(% style="color:blue" %)**2. The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.** 168 +* ((( 169 +**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well. 170 +))) 134 134 135 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]] 172 +* ((( 173 +(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** always ON**(%%): Sensor is power on but doesn't detect liquid. There is problem in installation point. 174 +))) 175 +* ((( 176 +(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good. 177 +))) 136 136 179 +((( 180 +DDS20-NB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that. 181 +))) 137 137 183 + 184 +((( 185 +(% style="color:red" %)**Note :**(%%)** (% style="color:blue" %)Ultrasonic coupling paste(%%)**(% style="color:blue" %) (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally. 186 +))) 187 + 188 + 189 +((( 190 +(% style="color:blue" %)**Step4: **(%%)**Install use Epoxy ab glue.** 191 +))) 192 + 193 +((( 194 +Prepare Eproxy AB glue. 195 +))) 196 + 197 +((( 198 +Put Eproxy AB glue in the sensor and press it hard on the container installation point. 199 +))) 200 + 201 +((( 202 +Reset DDS20-NB and see if the BLUE LED is slowly blinking. 203 +))) 204 + 205 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230809172509-1.png?rev=1.1||alt="image-20230809172509-1.png"]] 206 + 207 +((( 208 +(% style="color:red" %)**Note :**(% style="color:red; display:none" %)** ** 209 + 210 +(% style="color:red" %)**1:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position. 211 +))) 212 + 213 +((( 214 +(% style="color:red" %)**2:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally. 215 +))) 216 + 217 + 138 138 == 1.6 Applications == 139 139 140 140 141 -* Horizontal distance measurement 142 -* Liquid level measurement 143 -* Parking management system 144 -* Object proximity and presence detection 145 -* Intelligent trash can management system 146 -* Robot obstacle avoidance 147 -* Automatic control 148 -* Sewer 149 -* Bottom water level monitoring 221 +* Smart liquid control solution 150 150 223 +* Smart liquefied gas solution 151 151 152 -== 1.7 Sleep mode and working mode == 153 153 226 +== 1.7 Precautions == 154 154 228 + 229 +* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights. 230 + 231 +* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container. 232 + 233 +* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable. 234 + 235 +(% style="display:none" %) 236 + 237 + 238 + 239 +== 1.8 Sleep mode and working mode == 240 + 241 + 155 155 (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life. 156 156 157 157 (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode. 158 158 159 159 160 -== 1. 8Button & LEDs ==247 +== 1.9 Button & LEDs == 161 161 162 162 163 163 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]] ... ... @@ -176,6 +176,7 @@ 176 176 ))) 177 177 |(% 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. 178 178 266 + 179 179 == 1.10 BLE connection == 180 180 181 181 ... ... @@ -246,10 +246,10 @@ 246 246 247 247 Below shows the network structure: 248 248 249 -[[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"]] 250 250 251 251 252 -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. 253 253 254 254 255 255 (% 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. ... ... @@ -323,6 +323,7 @@ 323 323 324 324 * 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. 325 325 414 + 326 326 === 2.2.2 HEX format Payload(Type~=0) === 327 327 328 328 ... ... @@ -441,6 +441,7 @@ 441 441 442 442 * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid. 443 443 533 + 444 444 === 2.3.3 Interrupt Pin === 445 445 446 446 ... ... @@ -521,6 +521,7 @@ 521 521 522 522 * (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge 523 523 614 + 524 524 = 3. Configure DDS20-NB = 525 525 526 526 == 3.1 Configure Methods == ... ... @@ -532,6 +532,7 @@ 532 532 533 533 * 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]]. 534 534 626 + 535 535 == 3.2 AT Commands Set == 536 536 537 537 ... ... @@ -637,6 +637,7 @@ 637 637 638 638 * 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]]**. 639 639 732 + 640 640 = 6. FAQ = 641 641 642 642 == 6.1 How can I access t BC660K-GL AT Commands? == ... ... @@ -693,6 +693,7 @@ 693 693 694 694 * Weight / pcs : 180g 695 695 789 + 696 696 = 10. Support = 697 697 698 698