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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 77.4
edited by Xiaoling
on 2023/06/13 14:11
Change comment: There is no comment for this version
To version 75.7
edited by Xiaoling
on 2023/06/13 13:50
Change comment: There is no comment for this version

Summary

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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 ==
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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
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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  
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86 86  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
87 87  
88 88  
89 -== 1.4 Suitable Container & Liquid ==
90 +== 1.4 Rated environmental conditions ==
90 90  
91 91  
92 -* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
93 -* Container shape is regular, and surface is smooth.
94 -* Container Thickness:
95 -** Pure metal material.  2~~8mm, best is 3~~5mm
96 -** Pure non metal material: <10 mm
97 -* Pure liquid without irregular deposition.(% style="display:none" %)
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  
107 +
108 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
99 99  
100 -
101 -== 1.5 Install DDS20-LB ==
102 -
103 -
104 -(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
105 -
106 -DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
107 -
108 -
109 -[[image:image-20220615091045-3.png]]
110 -
111 -
112 -
113 113  (((
114 -(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
115 -)))
111 +(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
116 116  
117 -(((
118 -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.
119 -)))
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)**
120 120  
121 -[[image:image-20220615092010-11.png]]
122 -
123 -
124 -No polish needed if the container is shine metal surface without paint or non-metal container.
125 -
126 -[[image:image-20220615092044-12.png]]
127 -
128 -
129 -
130 -(((
131 -(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
115 +
132 132  )))
133 133  
134 -(((
135 -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.
136 -)))
118 +== 1.5 Effective measurement range Reference beam pattern ==
137 137  
138 138  
139 -(((
140 -It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
141 -)))
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.**
142 142  
143 -[[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"]]
144 144  
145 145  
146 -(((
147 -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.
148 -)))
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.**
149 149  
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"]]
150 150  
151 -(((
152 -(% style="color:red" %)**LED Status:**
153 -)))
154 154  
155 -* (((
156 -Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
157 -)))
158 -
159 -* (((
160 -(% 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.
161 -)))
162 -* (((
163 -(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
164 -)))
165 -
166 -(((
167 -LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
168 -)))
169 -
170 -
171 -(((
172 -(% style="color:red" %)**Note 2:**
173 -)))
174 -
175 -(((
176 -(% 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.
177 -)))
178 -
179 -
180 -(((
181 -(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
182 -)))
183 -
184 -(((
185 -Prepare Eproxy AB glue.
186 -)))
187 -
188 -(((
189 -Put Eproxy AB glue in the sensor and press it hard on the container installation point.
190 -)))
191 -
192 -(((
193 -Reset DDS20-LB and see if the BLUE LED is slowly blinking.
194 -)))
195 -
196 -[[image:image-20220615091045-8.png||height="203" width="341"]] [[image:image-20220615091045-9.png||height="200" width="284"]]
197 -
198 -
199 -(((
200 -(% style="color:red" %)**Note 1:**
201 -)))
202 -
203 -(((
204 -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 -(((
209 -(% style="color:red" %)**Note 2:**
210 -)))
211 -
212 -(((
213 -(% 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.
214 -)))
215 -
216 -
217 217  == 1.6 Applications ==
218 218  
219 219  
220 -* 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
221 221  
222 -* Smart liquefied gas solution.
223 223  
145 +== 1.7 Sleep mode and working mode ==
224 224  
225 -== 1.7 Precautions ==
226 226  
227 -
228 -* 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.
229 -
230 -* 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.
231 -
232 -* 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" %)
233 -
234 -
235 -
236 -== 1.8 Sleep mode and working mode ==
237 -
238 -
239 239  (% 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.
240 240  
241 241  (% 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.
242 242  
243 243  
244 -== 1.9 Button & LEDs ==
153 +== 1.8 Button & LEDs ==
245 245  
246 246  
247 247  [[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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260 260  )))
261 261  |(% 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.
262 262  
263 -== 1.10 BLE connection ==
264 264  
173 +== 1.9 BLE connection ==
265 265  
175 +
266 266  DDS45-LB support BLE remote configure.
267 267  
268 268  
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275 275  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
276 276  
277 277  
278 -== 1.11 Pin Definitions ==
188 +== 1.10 Pin Definitions ==
279 279  
280 280  [[image:image-20230523174230-1.png]]
281 281  
282 282  
283 -== 1.12 Mechanical ==
193 +== 1.11 Mechanical ==
284 284  
285 285  
286 286  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
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313 313  
314 314  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.
315 315  
316 -[[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" %)
317 317  
318 318  
319 319  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
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408 408  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
409 409  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
410 410  
321 +
411 411  === 2.3.3  Interrupt Pin ===
412 412  
413 413  
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598 598  
599 599  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
600 600  
512 +
601 601  == 3.2 General Commands ==
602 602  
603 603  
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660 660  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
661 661  )))
662 662  
575 +
663 663  === 3.3.2 Set Interrupt Mode ===
664 664  
665 665  
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694 694  
695 695  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
696 696  
610 +
697 697  = 4. Battery & Power Consumption =
698 698  
699 699  
... ... @@ -722,6 +722,7 @@
722 722  
723 723  * 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]]**.
724 724  
639 +
725 725  = 6. FAQ =
726 726  
727 727  == 6.1  What is the frequency plan for DDS45-LB? ==
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804 804  
805 805  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
806 806  
722 +
807 807  = 9. ​Packing Info =
808 808  
809 809  
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821 821  
822 822  * Weight / pcs : g
823 823  
740 +
824 824  = 10. Support =
825 825  
826 826  
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