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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 86.3
edited by Xiaoling
on 2023/09/12 10:37
Change comment: There is no comment for this version
To version 86.6
edited by Xiaoling
on 2023/09/12 10:55
Change comment: There is no comment for this version

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... ... @@ -43,10 +43,10 @@
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 -* Liquid Level Measurement by Ultrasonic technology
47 -* Measure through container, No need to contact Liquid
48 -* Valid level range 20mm - 2000mm
49 -* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
46 +* Distance Detection by Ultrasonic technology
47 +* Flat object range 30mm - 4500mm
48 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
49 +* Measure Angle: 60°
50 50  * Multiply Sampling and one uplink
51 51  * Support Bluetooth v5.1 remote configure and update firmware
52 52  * Uplink on periodically
... ... @@ -100,144 +100,64 @@
100 100  * STOP Mode: 10uA @ 3.3v
101 101  * Max transmit power: 350mA@3.3v
102 102  
103 -== 1.4 Suitable Container & Liquid ==
103 +== 1.4 Rated environmental conditions ==
104 104  
105 105  
106 -* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
107 -* Container shape is regular, and surface is smooth.
108 -* Container Thickness:
109 -** Pure metal material.  2~~8mm, best is 3~~5mm
110 -** Pure non metal material: <10 mm
111 -* Pure liquid without irregular deposition.
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 +
112 112  
113 -(% style="display:none" %)
114 +
115 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
114 114  
115 -== 1.5 Install DDS20-NB ==
116 -
117 -
118 -(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
119 -
120 -DDS20-NB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
121 -
122 -[[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"]]
123 -
124 -
125 125  (((
126 -(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
127 -)))
118 +(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
128 128  
129 -(((
130 -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.
131 -)))
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)**
132 132  
133 -[[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"]]
134 -
135 -
136 -No polish needed if the container is shine metal surface without paint or non-metal container.
137 -
138 -[[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"]]
139 -
140 -
141 -(((
142 -(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
122 +
143 143  )))
144 144  
145 -(((
146 -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.
147 -)))
125 +== 1.5 Effective measurement range Reference beam pattern ==
148 148  
149 -(((
150 -It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-NB won't detect the liquid level.
151 -)))
152 152  
153 -(((
154 -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.
155 -)))
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.**
156 156  
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"]]
157 157  
158 -(((
159 -(% style="color:blue" %)**LED Status:**
160 -)))
161 161  
162 -* (((
163 -**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
164 -)))
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.**
165 165  
166 -* (((
167 -(% 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.
168 -)))
169 -* (((
170 -(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
171 -)))
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"]]
172 172  
173 -(((
174 -DDS20-NB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
175 -)))
176 176  
177 -
178 -(((
179 -(% 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.
180 -)))
181 -
182 -
183 -(((
184 -(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
185 -)))
186 -
187 -(((
188 -Prepare Eproxy AB glue.
189 -)))
190 -
191 -(((
192 -Put Eproxy AB glue in the sensor and press it hard on the container installation point.
193 -)))
194 -
195 -(((
196 -Reset DDS20-NB and see if the BLUE LED is slowly blinking.
197 -)))
198 -
199 -[[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"]]
200 -
201 -(((
202 -(% style="color:red" %)**Note :**(% style="color:red; display:none" %)** **
203 -
204 -(% 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.
205 -)))
206 -
207 -(((
208 -(% 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.
209 -)))
210 -
211 -
212 212  == 1.6 Applications ==
213 213  
214 214  
215 -* Smart liquid control solution
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
216 216  
217 -* Smart liquefied gas solution
218 218  
219 -== 1.7 Precautions ==
152 +== 1.7 Sleep mode and working mode ==
220 220  
221 221  
222 -* 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.
223 -
224 -* 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.
225 -
226 -* 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.
227 -
228 -(% style="display:none" %)
229 -
230 -
231 -
232 -== 1.8 Sleep mode and working mode ==
233 -
234 -
235 235  (% 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.
236 236  
237 237  (% 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.
238 238  
239 239  
240 -== 1.9 Button & LEDs ==
160 +== 1.8 Button & LEDs ==
241 241  
242 242  
243 243  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -256,7 +256,7 @@
256 256  )))
257 257  |(% 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.
258 258  
259 -== 1.10 BLE connection ==
179 +== 1.9 BLE connection ==
260 260  
261 261  
262 262  DDS20-NB support BLE remote configure and firmware update.
... ... @@ -271,19 +271,19 @@
271 271  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
272 272  
273 273  
274 -== 1.11 Pin Definitions & Switch ==
194 +== 1.10 Pin Definitions & Switch ==
275 275  
276 276  
277 277  [[image:image-20230819104805-5.png]]
278 278  
279 279  
280 -=== 1.11.1 Jumper JP2 ===
200 +=== 1.10.1 Jumper JP2 ===
281 281  
282 282  
283 283  Power on Device when put this jumper.
284 284  
285 285  
286 -=== 1.11.2 BOOT MODE / SW1 ===
206 +=== 1.10.2 BOOT MODE / SW1 ===
287 287  
288 288  
289 289  **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.
... ... @@ -291,7 +291,7 @@
291 291  **2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
292 292  
293 293  
294 -=== 1.11.3 Reset Button ===
214 +=== 1.10.3 Reset Button ===
295 295  
296 296  
297 297  Press to reboot the device.
... ... @@ -299,9 +299,8 @@
299 299  (% style="display:none" %)
300 300  
301 301  
302 -== 1.12 Mechanical ==
222 +== 1.11 Mechanical ==
303 303  
304 -
305 305  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]]
306 306  
307 307  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]]
... ... @@ -311,17 +311,16 @@
311 311  
312 312  (% style="color:blue" %)**Probe Mechanical:**
313 313  
314 -[[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-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]]
233 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS45%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654915562090-396.png?rev=1.1||alt="1654915562090-396.png"]]
315 315  
316 -[[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-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
317 317  
318 318  
319 -= 2. Use DDS20-NB to communicate with IoT Server =
237 += 2. Use DDS45-NB to communicate with IoT Server =
320 320  
321 321  == 2.1 Send data to IoT server via NB-IoT network ==
322 322  
323 323  
324 -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.
242 +The DDS45-NB is equipped with a NB-IoT module, the pre-loaded firmware in DDS45-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 DDS45-NB.
325 325  
326 326  
327 327  Below shows the network structure: