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... ... @@ -1,1 +1,1 @@ 1 -S 31-NB/S31B-NB_BN-IoTOutdoorTemperature& HumiditySensor User Manual1 +DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual - Content
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... ... @@ -1,8 +1,7 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-20230 819102136-3.png]]2 +[[image:image-20230911134259-1.png||height="570" width="570"]] 3 3 4 4 5 - 6 6 **Table of Contents:** 7 7 8 8 {{toc/}} ... ... @@ -14,62 +14,52 @@ 14 14 15 15 = 1. Introduction = 16 16 17 -== 1.1 What is S 31x-NB NB-IoTTemperature& HumiditySensor ==16 +== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor == 18 18 19 19 20 -The Dragino S 31-NBand S31B-NB are (%style="color:blue"%)**NB-IoTTemperatureandHumiditySensor**(%%)for Internet of Things solution. Itisused to measure thesurrounding(%style="color:blue" %)**environmenttemperatureand relativeair humidityprecisely**(%%), andthenuploadtoIoTservervia NB-IoT network*.19 +The Dragino DDS20-NB is a **NB-IoT Ultrasonic liquid level sensor** for Internet of Things solution. It uses **none-contact method **to measure the **height of liquid** in a container without opening the container, and send IoT platform via NB-IoT network. 21 21 22 -The temperature& humiditysensorusedinS31-NB isSHT31, which is fullycalibrated,linearized,andtemperatureompensateddigitaloutputfromSensirion,itprovidesastrongreliabilityandlong-termstability.TheSHT31 isfixedina (% style="color:blue"%)**waterproofanti-condensationcasing**(%%)forlongtermuse.21 +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. 23 23 24 -S 31-NB supportsdifferentuplinkmethods include(%style="color:blue" %)**TCP,MQTT, UDP**(%%) fordifferentapplicationrequirement.andSupport Uplinksto variousIoT Servers.23 +DDS20-NB uses **ultrasonic sensing technology** for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: **toxic substances**, **strong acids**, **strong alkalis** and **various pure liquids** in high-temperature and high-pressure airtight containers. 25 25 26 -S 31-NBiswered by (% style="color:blue"%)**8500mAh Li-SOCI2 battery**(%%), It isdesigned forlongterm useuptoseveralyears. (Real-world battery life dependsonthese environment,updateperiodanduplinkmethod.Pleasecheck related PowerAnalyzeport).25 +PS-NB-NA supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers. 27 27 28 -* makesureyouhaveNB-IoTcoveragelocally.27 +PS-NB-NA **supports BLE configure **and** OTA update** which make user easy to use. 29 29 29 +PS-NB-NA is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years. 30 30 31 - [[image:1692411831805-116.png]]31 +PS-NB-NA has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration. 32 32 33 33 34 +[[image:image-20230911140426-2.png||height="320" width="951"]] 35 + 36 + 34 34 == 1.2 Features == 35 35 36 36 37 37 * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD 38 38 * Ultra-low power consumption 39 -* External 3 meters SHT31 probe (For S31-NB) 40 -* Measure range -40°C ~~ 85°C 41 -* Temperature & Humidity alarm 42 +* Liquid Level Measurement by Ultrasonic technology 43 +* Measure through container, No need to contact Liquid 44 +* Valid level range 20mm - 2000mm 45 +* Accuracy: ±(5mm+S*0.5%) (S: Measure Value) 42 42 * Multiply Sampling and one uplink 43 43 * Support Bluetooth v5.1 remote configure and update firmware 44 44 * Uplink on periodically 45 45 * Downlink to change configure 50 +* IP66 Waterproof Enclosure 46 46 * 8500mAh Battery for long term use 47 47 * Nano SIM card slot for NB-IoT SIM 48 48 49 - 50 - 51 51 == 1.3 Specification == 52 52 53 53 54 54 (% style="color:blue" %)**Common DC Characteristics:** 55 55 56 -* Supply Voltage: 2. 1v ~~ 3.6v59 +* Supply Voltage: 2.5v ~~ 3.6v 57 57 * Operating Temperature: -40 ~~ 85°C 58 58 59 -(% style="color:blue" %)**Temperature Sensor:** 60 - 61 -* Range: -40 to + 80°C 62 -* Accuracy: ±0.2 @ 0-90 °C 63 -* Resolution: 0.1°C 64 -* Long Term Shift: <0.03 °C/yr 65 - 66 -(% style="color:blue" %)**Humidity Sensor: ** 67 - 68 -* Range: 0 ~~ 99.9% RH 69 -* Accuracy: ± 2%RH ( 0 ~~ 100%RH) 70 -* Resolution: 0.01% RH 71 -* Long Term Shift: <0.25 %RH/yr 72 - 73 73 (% style="color:blue" %)**NB-IoT Spec:** 74 74 75 75 (% style="color:#037691" %)**NB-IoT Module: BC660K-GL** ... ... @@ -107,29 +107,144 @@ 107 107 * STOP Mode: 10uA @ 3.3v 108 108 * Max transmit power: 350mA@3.3v 109 109 99 +== 1.4 Suitable Container & Liquid == 110 110 111 111 112 -== 1.4 Applications == 102 +* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc. 103 +* Container shape is regular, and surface is smooth. 104 +* Container Thickness: 105 +** Pure metal material. 2~~8mm, best is 3~~5mm 106 +** Pure non metal material: <10 mm 107 +* Pure liquid without irregular deposition. 113 113 109 +(% style="display:none" %) 114 114 115 -* Smart Buildings & Home Automation 116 -* Logistics and Supply Chain Management 117 -* Smart Metering 118 -* Smart Agriculture 119 -* Smart Cities 120 -* Smart Factory 111 +== 1.5 Install DDS20-NB == 121 121 122 122 114 +(% style="color:blue" %)**Step 1**(%%): ** Choose the installation point.** 123 123 124 - ==1.5Sleep modeandworkingmode==116 +DDS20-NB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position. 125 125 118 +[[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"]] 126 126 120 + 121 +((( 122 +(% style="color:blue" %)**Step 2**(%%): **Polish the installation point.** 123 +))) 124 + 125 +((( 126 +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. 127 +))) 128 + 129 +[[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"]] 130 + 131 + 132 +No polish needed if the container is shine metal surface without paint or non-metal container. 133 + 134 +[[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"]] 135 + 136 + 137 +((( 138 +(% style="color:blue" %)**Step3: **(%%)**Test the installation point.** 139 +))) 140 + 141 +((( 142 +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. 143 +))) 144 + 145 +((( 146 +It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-NB won't detect the liquid level. 147 +))) 148 + 149 +((( 150 +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. 151 +))) 152 + 153 + 154 +((( 155 +(% style="color:blue" %)**LED Status:** 156 +))) 157 + 158 +* ((( 159 +**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well. 160 +))) 161 + 162 +* ((( 163 +(% 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. 164 +))) 165 +* ((( 166 +(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good. 167 +))) 168 + 169 +((( 170 +DDS20-NB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that. 171 +))) 172 + 173 + 174 +((( 175 +(% 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. 176 +))) 177 + 178 + 179 +((( 180 +(% style="color:blue" %)**Step4: **(%%)**Install use Epoxy ab glue.** 181 +))) 182 + 183 +((( 184 +Prepare Eproxy AB glue. 185 +))) 186 + 187 +((( 188 +Put Eproxy AB glue in the sensor and press it hard on the container installation point. 189 +))) 190 + 191 +((( 192 +Reset DDS20-NB and see if the BLUE LED is slowly blinking. 193 +))) 194 + 195 +[[image:image-20230809172509-1.png]] 196 + 197 +((( 198 +(% style="color:red" %)**Note :**(% style="color:red; display:none" %)** ** 199 + 200 +(% 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. 201 +))) 202 + 203 +((( 204 +(% 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. 205 +))) 206 + 207 + 208 +== 1.6 Applications == 209 + 210 + 211 +* Smart liquid control solution 212 + 213 +* Smart liquefied gas solution 214 + 215 +== 1.7 Precautions == 216 + 217 + 218 +* 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. 219 + 220 +* 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. 221 + 222 +* 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. 223 + 224 +(% style="display:none" %) 225 + 226 + 227 + 228 +== 1.8 Sleep mode and working mode == 229 + 230 + 127 127 (% 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. 128 128 129 129 (% 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. 130 130 131 131 132 -== 1. 6Button & LEDs ==236 +== 1.9 Button & LEDs == 133 133 134 134 135 135 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]] ... ... @@ -148,14 +148,12 @@ 148 148 ))) 149 149 |(% 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. 150 150 255 +== 1.10 BLE connection == 151 151 152 152 153 - ==1.7BLEconnection==258 +DDS20-NB support BLE remote configure and firmware update. 154 154 155 155 156 -S31x-NB support BLE remote configure and firmware update. 157 - 158 - 159 159 BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case: 160 160 161 161 * Press button to send an uplink ... ... @@ -165,21 +165,19 @@ 165 165 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode. 166 166 167 167 168 -== 1. 8Pin Definitions & Switch ==270 +== 1.11 Pin Definitions & Switch == 169 169 170 170 171 -S31x-NB use the mother board from S31-NB which as below. 172 - 173 173 [[image:image-20230819104805-5.png]] 174 174 175 175 176 -=== 1. 8.1 Jumper JP2 ===276 +=== 1.11.1 Jumper JP2 === 177 177 178 178 179 179 Power on Device when put this jumper. 180 180 181 181 182 -=== 1. 8.2 BOOT MODE / SW1 ===282 +=== 1.11.2 BOOT MODE / SW1 === 183 183 184 184 185 185 **1)** (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run. ... ... @@ -187,61 +187,31 @@ 187 187 **2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug 188 188 189 189 190 -=== 1. 8.3 Reset Button ===290 +=== 1.11.3 Reset Button === 191 191 192 192 193 193 Press to reboot the device. 194 194 195 - 196 -== 1.9 Hardware Variant == 197 - 198 - 199 -(% border="1" cellspacing="5" style="width:410px" %) 200 -|=(% style="width: 102px;background-color:#4F81BD;color:white" %)Model|=(% style="width: 126px; background-color:#4F81BD;color:white" %)Photo|=(% style="width: 179px;background-color:#4F81BD;color:white" %)Probe Info 201 -|(% style="width:102px" %)((( 202 -S31-NB 203 -)))|(% style="width:126px" %)((( 204 -(% style="text-align:center" %) 205 -[[image:image-20230819110632-6.png||height="130" width="104"]] 206 -)))|(% style="width:179px" %)((( 207 -1 x SHT31 Probe 208 - 209 -Cable Length : 3 meters 210 - 211 - 212 -))) 213 -|(% style="width:102px" %)((( 214 -S31B-NB 215 -)))|(% style="width:126px" %)((( 216 -(% style="text-align:center" %) 217 -[[image:image-20230819110702-7.png||height="164" width="90"]] 218 -)))|(% style="width:179px" %)((( 219 -1 x SHT31 Probe 220 - 221 -Installed in device. 222 -))) 223 - 224 224 (% style="display:none" %) 225 225 226 226 227 - 228 228 = 2. Use S31-NB to communicate with IoT Server = 229 229 230 230 == 2.1 Send data to IoT server via NB-IoT network == 231 231 232 232 233 -The S 31-NB is equipped with a NB-IoT module, the pre-loaded firmware in S31-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by S31-NB.303 +The DDS20-NB is equipped with a NB-IoT module, the pre-loaded firmware in DDS20-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by DDS20-NB. 234 234 235 235 236 236 Below shows the network structure: 237 237 238 -[[image:1692 415924540-357.png]]308 +[[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"]] 239 239 240 240 241 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S 31-NB.311 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-NB. 242 242 243 243 244 -(% 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 S 31-NB send data to IoT server.314 +(% 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. 245 245 246 246 * Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]]. 247 247 ... ... @@ -271,13 +271,13 @@ 271 271 [[image:image-20230819113244-11.png||height="141" width="367"]] 272 272 )))|(% style="width:170px" %) 273 273 274 -(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate S 31-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].344 +(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate DDS20-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]]. 275 275 276 276 277 277 == 2.2 Payload Types == 278 278 279 279 280 -To meet different server requirement, S 31-NB supports different payload type.350 +To meet different server requirement, DDS20-NB supports different payload type. 281 281 282 282 **Includes:** 283 283 ... ... @@ -303,7 +303,7 @@ 303 303 304 304 This is the General Json Format. As below: 305 305 306 -(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":S 31x-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**376 +(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":DDS20-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}** 307 307 308 308 309 309 (% style="color:red" %)**Notice, from above payload:** ... ... @@ -312,8 +312,6 @@ 312 312 313 313 * 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. 314 314 315 - 316 - 317 317 === 2.2.2 HEX format Payload(Type~=0) === 318 318 319 319 ... ... @@ -446,8 +446,6 @@ 446 446 447 447 * If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.** 448 448 449 - 450 - 451 451 == 2.6 Trggier an uplink by external interrupt == 452 452 453 453 ... ... @@ -465,8 +465,6 @@ 465 465 466 466 * (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge 467 467 468 - 469 - 470 470 = 3. Configure S31x-NB = 471 471 472 472 == 3.1 Configure Methods == ... ... @@ -478,8 +478,6 @@ 478 478 479 479 * 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]]. 480 480 481 - 482 - 483 483 == 3.2 AT Commands Set == 484 484 485 485 ... ... @@ -585,8 +585,6 @@ 585 585 586 586 * 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]]**. 587 587 588 - 589 - 590 590 = 6. FAQ = 591 591 592 592 == 6.1 How can I access t BC660K-GL AT Commands? == ... ... @@ -630,8 +630,6 @@ 630 630 631 631 * Weight / pcs : 180g 632 632 633 - 634 - 635 635 = 9. Support = 636 636 637 637
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