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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 79.2
edited by Xiaoling
on 2023/06/13 14:31
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To version 75.6
edited by Xiaoling
on 2023/06/13 13:49
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22 22  == 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
23 23  
24 24  
25 -The Dragino DDS20-LB is a (% style="color:blue" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send the value via LoRaWAN network to IoT Server.
25 +The Dragino DDS20-LB is a (% style="color:blue" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)****height of liquid**(%%) in a container without opening the container, and send the value via LoRaWAN network to IoT Server.
26 26  
27 27  The DDS20-LB 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. 
28 28  
... ... @@ -36,7 +36,7 @@
36 36  
37 37  Each DDS20-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
38 38  
39 -[[image:image-20230613140115-3.png||height="453" width="800"]]
39 +[[image:image-20230613102459-3.png||height="476" width="855"]]
40 40  
41 41  
42 42  == 1.2 ​Features ==
... ... @@ -45,10 +45,10 @@
45 45  * LoRaWAN 1.0.3 Class A
46 46  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
47 47  * Ultra-low power consumption
48 -* Liquid Level Measurement by Ultrasonic technology
49 -* Measure through container, No need to contact Liquid
50 -* Valid level range 20mm - 2000mm
51 -* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
48 +* Distance Detection by Ultrasonic technology
49 +* Flat object range 30mm - 4500mm
50 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
51 +* Measure Angle: 60°
52 52  * Cable Length : 25cm
53 53  * Support Bluetooth v5.1 and LoRaWAN remote configure
54 54  * Support wireless OTA update firmware
... ... @@ -57,6 +57,7 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 8500mAh Battery for long term use
59 59  
60 +
60 60  == 1.3 Specification ==
61 61  
62 62  
... ... @@ -85,159 +85,71 @@
85 85  * Sleep Mode: 5uA @ 3.3v
86 86  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
87 87  
88 -== 1.4 Suitable Container & Liquid ==
89 89  
90 +== 1.4 Rated environmental conditions ==
90 90  
91 -* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
92 -* Container shape is regular, and surface is smooth.
93 -* Container Thickness:
94 -** Pure metal material.  2~~8mm, best is 3~~5mm
95 -** Pure non metal material: <10 mm
96 -* Pure liquid without irregular deposition.(% style="display:none" %)
97 97  
93 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
94 +|(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
95 +**Minimum value**
96 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
97 +**Typical value**
98 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:87px" %)(((
99 +**Maximum value**
100 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Unit**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Remarks**
101 +|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
102 +|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
103 +|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
104 +|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
105 +
98 98  
99 -== 1.5 Install DDS20-LB ==
107 +
108 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
100 100  
101 -
102 -(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
103 -
104 -DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
105 -
106 -[[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"]]
107 -
108 -
109 109  (((
110 -(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
111 -)))
111 +(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
112 112  
113 -(((
114 -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.
115 -)))
113 +(% 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)**
116 116  
117 -[[image:image-20230613143052-5.png]]
118 -
119 -
120 -No polish needed if the container is shine metal surface without paint or non-metal container.
121 -
122 -[[image:image-20230613143125-6.png]]
123 -
124 -
125 -
126 -(((
127 -(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
115 +
128 128  )))
129 129  
130 -(((
131 -Power on DDS20-LB, 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.
132 -)))
118 +== 1.5 Effective measurement range Reference beam pattern ==
133 133  
134 134  
135 -(((
136 -It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
137 -)))
121 +(% 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.**
138 138  
139 -[[image:1655256160324-178.png||height="151" width="419"]][[image:image-20220615092327-13.png||height="146" width="260"]]
123 +[[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"]]
140 140  
141 141  
142 -(((
143 -After paste the DDS20-LB well, power on DDS20-LB. 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.
144 -)))
126 +(% 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.**
145 145  
128 +[[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"]]
146 146  
147 -(((
148 -(% style="color:red" %)**LED Status:**
149 -)))
150 150  
151 -* (((
152 -Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
153 -)))
154 -
155 -* (((
156 -(% 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.
157 -)))
158 -* (((
159 -(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
160 -)))
161 -
162 -(((
163 -LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
164 -)))
165 -
166 -
167 -(((
168 -(% style="color:red" %)**Note 2:**
169 -)))
170 -
171 -(((
172 -(% style="color:red" %)**Ultrasonic coupling paste** (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
173 -)))
174 -
175 -
176 -(((
177 -(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
178 -)))
179 -
180 -(((
181 -Prepare Eproxy AB glue.
182 -)))
183 -
184 -(((
185 -Put Eproxy AB glue in the sensor and press it hard on the container installation point.
186 -)))
187 -
188 -(((
189 -Reset DDS20-LB and see if the BLUE LED is slowly blinking.
190 -)))
191 -
192 -[[image:image-20220615091045-8.png||height="203" width="341"]] [[image:image-20220615091045-9.png||height="200" width="284"]]
193 -
194 -
195 -(((
196 -(% style="color:red" %)**Note 1:**
197 -)))
198 -
199 -(((
200 -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 -(((
205 -(% style="color:red" %)**Note 2:**
206 -)))
207 -
208 -(((
209 -(% style="color:red" %)**Eproxy AB glue**(%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
210 -)))
211 -
212 -
213 213  == 1.6 Applications ==
214 214  
215 215  
216 -* Smart liquid control solution.
134 +* Horizontal distance measurement
135 +* Liquid level measurement
136 +* Parking management system
137 +* Object proximity and presence detection
138 +* Intelligent trash can management system
139 +* Robot obstacle avoidance
140 +* Automatic control
141 +* Sewer
142 +* Bottom water level monitoring
217 217  
218 -* Smart liquefied gas solution.
219 219  
145 +== 1.7 Sleep mode and working mode ==
220 220  
221 221  
222 -== 1.7 Precautions ==
223 -
224 -
225 -* 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.
226 -
227 -* 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.
228 -
229 -* 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.(% style="display:none" %)
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 ==
153 +== 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]]
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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 ==
260 260  
173 +== 1.9 BLE connection ==
261 261  
262 -DDS20-LB support BLE remote configure.
263 263  
176 +DDS45-LB support BLE remote configure.
177 +
178 +
264 264  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:
265 265  
266 266  * Press button to send an uplink
... ... @@ -270,12 +270,12 @@
270 270  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
271 271  
272 272  
273 -== 1.11 Pin Definitions ==
188 +== 1.10 Pin Definitions ==
274 274  
275 275  [[image:image-20230523174230-1.png]]
276 276  
277 277  
278 -== 1.12 Mechanical ==
193 +== 1.11 Mechanical ==
279 279  
280 280  
281 281  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -289,14 +289,11 @@
289 289  
290 290  (% style="color:blue" %)**Probe Mechanical:**
291 291  
292 -[[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"]]
207 +[[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"]]
293 293  
294 294  
295 -[[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"]]
210 += 2. Configure DDS45-LB to connect to LoRaWAN network =
296 296  
297 -
298 -= 2. Configure DDS20-LB to connect to LoRaWAN network =
299 -
300 300  == 2.1 How it works ==
301 301  
302 302  
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311 311  
312 312  The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
313 313  
314 -[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
226 +[[image:image-20230613102426-2.png||height="476" width="855"]](% style="display:none" %)
315 315  
316 316  
317 317  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
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406 406  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
407 407  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
408 408  
321 +
409 409  === 2.3.3  Interrupt Pin ===
410 410  
411 411  
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596 596  
597 597  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
598 598  
512 +
599 599  == 3.2 General Commands ==
600 600  
601 601  
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658 658  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
659 659  )))
660 660  
575 +
661 661  === 3.3.2 Set Interrupt Mode ===
662 662  
663 663  
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692 692  
693 693  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
694 694  
610 +
695 695  = 4. Battery & Power Consumption =
696 696  
697 697  
... ... @@ -720,6 +720,7 @@
720 720  
721 721  * 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]]**.
722 722  
639 +
723 723  = 6. FAQ =
724 724  
725 725  == 6.1  What is the frequency plan for DDS45-LB? ==
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802 802  
803 803  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
804 804  
722 +
805 805  = 9. ​Packing Info =
806 806  
807 807  
... ... @@ -819,6 +819,7 @@
819 819  
820 820  * Weight / pcs : g
821 821  
740 +
822 822  = 10. Support =
823 823  
824 824  
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