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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** ... ... @@ -107,28 +107,146 @@ 107 107 * STOP Mode: 10uA @ 3.3v 108 108 * Max transmit power: 350mA@3.3v 109 109 110 -== 1.4 Applications==99 +== 1.4 Suitable Container & Liquid == 111 111 112 112 113 -* S martBuildings& HomeAutomation114 -* LogisticsandSupplyChainManagement115 -* SmartMetering116 -* SmartAgriculture117 -* SmartCities118 -* 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. 119 119 120 - ==1.5 Sleep modeand working mode==109 +(% style="display:none" %) 121 121 111 +== 1.5 Install DDS20-NB == 122 122 113 + 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 + 123 123 (% 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. 124 124 125 125 (% 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. 126 126 127 127 236 +== 1.9 Button & LEDs == 128 128 129 -== 1.6 Button & LEDs == 130 130 131 - 132 132 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]] 133 133 134 134 ... ... @@ -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: ... ... @@ -160,67 +160,34 @@ 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 -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. 285 +**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. 181 181 182 -2) (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug 287 +**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 - 224 224 = 2. Use S31-NB to communicate with IoT Server = 225 225 226 226 == 2.1 Send data to IoT server via NB-IoT network == ... ... @@ -573,7 +573,6 @@ 573 573 574 574 * 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]]**. 575 575 576 - 577 577 = 6. FAQ = 578 578 579 579 == 6.1 How can I access t BC660K-GL AT Commands? == ... ... @@ -584,7 +584,6 @@ 584 584 [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]] 585 585 586 586 587 - 588 588 = 7. Order Info = 589 589 590 590 ... ... @@ -596,10 +596,9 @@ 596 596 597 597 * (% style="color:#037691" %)**1D**(%%): with 1NCE* 10 years 500MB SIM card and Pre-configure to DataCake server 598 598 599 -(% style="color:#037691" %)** *1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands671 +(% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands 600 600 601 601 602 - 603 603 = 8. Packing Info = 604 604 605 605 ... ... @@ -609,7 +609,6 @@ 609 609 610 610 * External antenna x 1 611 611 612 - 613 613 (% style="color:#037691" %)**Dimension and weight**: 614 614 615 615 * Device Size: 13.0 x 5 x 4.5 cm
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