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Last modified by Mengting Qiu on 2024/09/05 17:35

From version 84.4
edited by Xiaoling
on 2023/09/11 14:25
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To version 84.11
edited by Xiaoling
on 2023/09/11 15:14
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -22,13 +22,13 @@
22 22  
23 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.
24 24  
25 -PS-NB-NA supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers.
25 +DDS20-NB supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers.
26 26  
27 -PS-NB-NA **supports BLE configure **and** OTA update** which make user easy to use.
27 +DDS20-NB **supports BLE configure **and** OTA update** which make user easy to use.
28 28  
29 -PS-NB-NA is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years.
29 +DDS20-NB is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years.
30 30  
31 -PS-NB-NA has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
31 +DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
32 32  
33 33  
34 34  [[image:image-20230911140426-2.png||height="320" width="951"]]
... ... @@ -96,25 +96,144 @@
96 96  * STOP Mode: 10uA @ 3.3v
97 97  * Max transmit power: 350mA@3.3v
98 98  
99 -== 1.4 Applications ==
99 +== 1.4 Suitable Container & Liquid ==
100 100  
101 101  
102 -* Smart Buildings & Home Automation
103 -* Logistics and Supply Chain Management
104 -* Smart Metering
105 -* Smart Agriculture
106 -* Smart Cities
107 -* Smart Factory
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.
108 108  
109 -== 1.5 Sleep mode and working mode ==
109 +(% style="display:none" %)
110 110  
111 +== 1.5 Install DDS20-NB ==
111 111  
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 +
112 112  (% 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.
113 113  
114 114  (% 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.
115 115  
116 116  
117 -== 1.6 Button & LEDs ==
236 +== 1.9 Button & LEDs ==
118 118  
119 119  
120 120  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -133,10 +133,10 @@
133 133  )))
134 134  |(% 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.
135 135  
136 -== 1.7 BLE connection ==
255 +== 1.10 BLE connection ==
137 137  
138 138  
139 -S31x-NB support BLE remote configure and firmware update.
258 +DDS20-NB support BLE remote configure and firmware update.
140 140  
141 141  
142 142  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:
... ... @@ -148,21 +148,19 @@
148 148  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
149 149  
150 150  
151 -== 1.8 Pin Definitions & Switch ==
270 +== 1.11 Pin Definitions & Switch ==
152 152  
153 153  
154 -S31x-NB use the mother board from S31-NB which as below.
155 -
156 156  [[image:image-20230819104805-5.png]]
157 157  
158 158  
159 -=== 1.8.1 Jumper JP2 ===
276 +=== 1.11.1 Jumper JP2 ===
160 160  
161 161  
162 162  Power on Device when put this jumper.
163 163  
164 164  
165 -=== 1.8.2 BOOT MODE / SW1 ===
282 +=== 1.11.2 BOOT MODE / SW1 ===
166 166  
167 167  
168 168  **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.
... ... @@ -170,61 +170,31 @@
170 170  **2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
171 171  
172 172  
173 -=== 1.8.3 Reset Button ===
290 +=== 1.11.3 Reset Button ===
174 174  
175 175  
176 176  Press to reboot the device.
177 177  
178 -
179 -== 1.9 Hardware Variant ==
180 -
181 -
182 -(% border="1" cellspacing="5" style="width:410px" %)
183 -|=(% 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
184 -|(% style="width:102px" %)(((
185 -S31-NB
186 -)))|(% style="width:126px" %)(((
187 -(% style="text-align:center" %)
188 -[[image:image-20230819110632-6.png||height="130" width="104"]]
189 -)))|(% style="width:179px" %)(((
190 -1 x SHT31 Probe
191 -
192 -Cable Length : 3 meters
193 -
194 -
195 -)))
196 -|(% style="width:102px" %)(((
197 -S31B-NB
198 -)))|(% style="width:126px" %)(((
199 -(% style="text-align:center" %)
200 -[[image:image-20230819110702-7.png||height="164" width="90"]]
201 -)))|(% style="width:179px" %)(((
202 -1 x SHT31 Probe
203 -
204 -Installed in device.
205 -)))
206 -
207 207  (% style="display:none" %)
208 208  
209 209  
210 -
211 211  = 2. Use S31-NB to communicate with IoT Server =
212 212  
213 213  == 2.1 Send data to IoT server via NB-IoT network ==
214 214  
215 215  
216 -The S31-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.
217 217  
218 218  
219 219  Below shows the network structure:
220 220  
221 -[[image:1692415924540-357.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"]]
222 222  
223 223  
224 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S31-NB.
311 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-NB.
225 225  
226 226  
227 -(% 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 S31-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.
228 228  
229 229  * 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]].
230 230  
... ... @@ -254,13 +254,13 @@
254 254  [[image:image-20230819113244-11.png||height="141" width="367"]]
255 255  )))|(% style="width:170px" %)
256 256  
257 -(% 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 S31-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]].
258 258  
259 259  
260 260  == 2.2 ​Payload Types ==
261 261  
262 262  
263 -To meet different server requirement, S31-NB supports different payload type.
350 +To meet different server requirement, DDS20-NB supports different payload type.
264 264  
265 265  **Includes:**
266 266  
... ... @@ -286,7 +286,7 @@
286 286  
287 287  This is the General Json Format. As below:
288 288  
289 -(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":S31x-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}}**
290 290  
291 291  
292 292  (% style="color:red" %)**Notice, from above payload:**
... ... @@ -309,7 +309,7 @@
309 309  
310 310  These bytes include the hardware and software version.
311 311  
312 -(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for S31B-NB & S31-NB
399 +(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for DDS20-NB
313 313  
314 314  (% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100
315 315  
... ... @@ -336,20 +336,6 @@
336 336  **99**    Not known or not detectable
337 337  
338 338  
339 -(% style="color:blue" %)**Temperature: **
340 -
341 -If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
342 -
343 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
344 -
345 -(FF3F & 8000: Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
346 -
347 -
348 -(% style="color:blue" %)**Humidity:   **
349 -
350 -Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
351 -
352 -
353 353  (% style="color:blue" %)**TimeStamp:   **
354 354  
355 355  Unit TimeStamp Example: 64d49439(H) = 1691653177(D)
... ... @@ -392,7 +392,7 @@
392 392  == 2.4 Multi-Samplings and One uplink ==
393 393  
394 394  
395 -To save battery life, S31-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
468 +To save battery life, DDS20-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
396 396  
397 397  * (% style="color:#037691" %)**AT+TR=900**   (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds)
398 398  
... ... @@ -403,35 +403,11 @@
403 403  [[image:1692424376354-959.png]]
404 404  
405 405  
406 -== 2.5 Humidity and Temperature alarm function ==
479 +== 2.5 Trggier an uplink by external interrupt ==
407 407  
408 408  
409 -On each sampling define by AT+TR ( default 900s or 15 minutes), when the value exceed the range, it will trigger an Alarm and immediately sends a uplink.
482 +DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
410 410  
411 -
412 -(% style="color:blue" %)**AT Commands:**
413 -
414 -(% style="color:#037691" %)**AT+ SHHUM=min,max**
415 -
416 -Example: AT+ SHHUM=50,80  ~/~/ Alarm when humidity lower than 50 or higher than 80.
417 -
418 -
419 -(% style="color:#037691" %)**AT+ SHTEMP=min,max**
420 -
421 -Example: AT+ SHTEMP=20,30  ~/~/ Alarm when temperature lower than 20 or higher than 30
422 -
423 -
424 -(% style="color:red" %)**Notice:**
425 -
426 -* To disable Alarm, user can set min and max to same value , such as (% style="color:#037691" %)**AT+SHTEMP=0,0.**
427 -
428 -* 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.**
429 -
430 -== 2.6 Trggier an uplink by external interrupt ==
431 -
432 -
433 -S31-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
434 -
435 435  (% style="color:blue" %)**AT command:**
436 436  
437 437  * (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
... ... @@ -444,12 +444,12 @@
444 444  
445 445  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
446 446  
447 -= 3. Configure S31x-NB =
496 += 3. Configure DDS20-NB =
448 448  
449 449  == 3.1 Configure Methods ==
450 450  
451 451  
452 -S31x-NB supports below configure method:
501 +DDS20-NB supports below configure method:
453 453  
454 454  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
455 455  
... ... @@ -538,7 +538,7 @@
538 538  = 4. Battery & Power Consumption =
539 539  
540 540  
541 -S31x-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
590 +DDS20-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
542 542  
543 543  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
544 544  
... ... @@ -573,7 +573,7 @@
573 573  = 7. Order Info =
574 574  
575 575  
576 -Part Number: (% style="color:blue" %)**S31-NB-XX  / S31B-NB-XX**
625 +Part Number: (% style="color:blue" %)**DDS20-NB-XX**
577 577  
578 578  (% style="color:red" %)**XX**(%%):
579 579  
... ... @@ -589,7 +589,7 @@
589 589  
590 590  (% style="color:#037691" %)**Package Includes**:
591 591  
592 -* S31-NB or S31-NB NB-IoT Sensor Node x 1
641 +* DDS20-NB NB-IoT Ultrasonic liquid level sensor x 1
593 593  
594 594  * External antenna x 1
595 595