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Last modified by Mengting Qiu on 2024/09/05 17:35
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... ... @@ -39,13 +39,15 @@ 39 39 40 40 * NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD 41 41 * Ultra-low power consumption 42 -* External 3 meters SHT31 probe (For S31-NB) 43 -* Measure range -40°C ~~ 85°C 44 -* 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) 45 45 * Multiply Sampling and one uplink 46 46 * Support Bluetooth v5.1 remote configure and update firmware 47 47 * Uplink on periodically 48 48 * Downlink to change configure 50 +* IP66 Waterproof Enclosure 49 49 * 8500mAh Battery for long term use 50 50 * Nano SIM card slot for NB-IoT SIM 51 51 ... ... @@ -54,23 +54,9 @@ 54 54 55 55 (% style="color:blue" %)**Common DC Characteristics:** 56 56 57 -* Supply Voltage: 2. 1v ~~ 3.6v59 +* Supply Voltage: 2.5v ~~ 3.6v 58 58 * Operating Temperature: -40 ~~ 85°C 59 59 60 -(% style="color:blue" %)**Temperature Sensor:** 61 - 62 -* Range: -40 to + 80°C 63 -* Accuracy: ±0.2 @ 0-90 °C 64 -* Resolution: 0.1°C 65 -* Long Term Shift: <0.03 °C/yr 66 - 67 -(% style="color:blue" %)**Humidity Sensor: ** 68 - 69 -* Range: 0 ~~ 99.9% RH 70 -* Accuracy: ± 2%RH ( 0 ~~ 100%RH) 71 -* Resolution: 0.01% RH 72 -* Long Term Shift: <0.25 %RH/yr 73 - 74 74 (% style="color:blue" %)**NB-IoT Spec:** 75 75 76 76 (% style="color:#037691" %)**NB-IoT Module: BC660K-GL** ... ... @@ -108,25 +108,144 @@ 108 108 * STOP Mode: 10uA @ 3.3v 109 109 * Max transmit power: 350mA@3.3v 110 110 111 -== 1.4 Applications==99 +== 1.4 Suitable Container & Liquid == 112 112 113 113 114 -* S martBuildings& HomeAutomation115 -* LogisticsandSupplyChainManagement116 -* SmartMetering117 -* SmartAgriculture118 -* SmartCities119 -* SmartFactory102 +* 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. 120 120 121 - ==1.5 Sleep modeand working mode==109 +(% style="display:none" %) 122 122 111 +== 1.5 Install DDS20-NB == 123 123 113 + 114 +(% style="color:blue" %)**Step 1**(%%): ** Choose the installation point.** 115 + 116 +DDS20-NB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position. 117 + 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"]] 119 + 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 + 124 124 (% 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. 125 125 126 126 (% 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. 127 127 128 128 129 -== 1. 6Button & LEDs ==236 +== 1.9 Button & LEDs == 130 130 131 131 132 132 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]] ... ... @@ -145,10 +145,10 @@ 145 145 ))) 146 146 |(% 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. 147 147 148 -== 1. 7BLE connection ==255 +== 1.10 BLE connection == 149 149 150 150 151 -S 31x-NB support BLE remote configure and firmware update.258 +DDS20-NB support BLE remote configure and firmware update. 152 152 153 153 154 154 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: ... ... @@ -160,21 +160,19 @@ 160 160 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode. 161 161 162 162 163 -== 1. 8Pin Definitions & Switch ==270 +== 1.11 Pin Definitions & Switch == 164 164 165 165 166 -S31x-NB use the mother board from S31-NB which as below. 167 - 168 168 [[image:image-20230819104805-5.png]] 169 169 170 170 171 -=== 1. 8.1 Jumper JP2 ===276 +=== 1.11.1 Jumper JP2 === 172 172 173 173 174 174 Power on Device when put this jumper. 175 175 176 176 177 -=== 1. 8.2 BOOT MODE / SW1 ===282 +=== 1.11.2 BOOT MODE / SW1 === 178 178 179 179 180 180 **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. ... ... @@ -182,61 +182,31 @@ 182 182 **2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug 183 183 184 184 185 -=== 1. 8.3 Reset Button ===290 +=== 1.11.3 Reset Button === 186 186 187 187 188 188 Press to reboot the device. 189 189 190 - 191 -== 1.9 Hardware Variant == 192 - 193 - 194 -(% border="1" cellspacing="5" style="width:410px" %) 195 -|=(% 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 196 -|(% style="width:102px" %)((( 197 -S31-NB 198 -)))|(% style="width:126px" %)((( 199 -(% style="text-align:center" %) 200 -[[image:image-20230819110632-6.png||height="130" width="104"]] 201 -)))|(% style="width:179px" %)((( 202 -1 x SHT31 Probe 203 - 204 -Cable Length : 3 meters 205 - 206 - 207 -))) 208 -|(% style="width:102px" %)((( 209 -S31B-NB 210 -)))|(% style="width:126px" %)((( 211 -(% style="text-align:center" %) 212 -[[image:image-20230819110702-7.png||height="164" width="90"]] 213 -)))|(% style="width:179px" %)((( 214 -1 x SHT31 Probe 215 - 216 -Installed in device. 217 -))) 218 - 219 219 (% style="display:none" %) 220 220 221 221 222 - 223 223 = 2. Use S31-NB to communicate with IoT Server = 224 224 225 225 == 2.1 Send data to IoT server via NB-IoT network == 226 226 227 227 228 -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. 229 229 230 230 231 231 Below shows the network structure: 232 232 233 -[[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"]] 234 234 235 235 236 -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. 237 237 238 238 239 -(% 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. 240 240 241 241 * 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]]. 242 242 ... ... @@ -266,13 +266,13 @@ 266 266 [[image:image-20230819113244-11.png||height="141" width="367"]] 267 267 )))|(% style="width:170px" %) 268 268 269 -(% 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]]. 270 270 271 271 272 272 == 2.2 Payload Types == 273 273 274 274 275 -To meet different server requirement, S 31-NB supports different payload type.350 +To meet different server requirement, DDS20-NB supports different payload type. 276 276 277 277 **Includes:** 278 278 ... ... @@ -298,7 +298,7 @@ 298 298 299 299 This is the General Json Format. As below: 300 300 301 -(% 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}}** 302 302 303 303 304 304 (% style="color:red" %)**Notice, from above payload:**