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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 77.3
edited by Xiaoling
on 2023/06/13 14:02
Change comment: There is no comment for this version

Summary

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... ... @@ -85,163 +85,69 @@
85 85  * Sleep Mode: 5uA @ 3.3v
86 86  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
87 87  
88 +== 1.4 Rated environmental conditions ==
88 88  
89 -== 1.4 Suitable Container & Liquid ==
90 90  
91 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
92 +|(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
93 +**Minimum value**
94 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
95 +**Typical value**
96 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:87px" %)(((
97 +**Maximum value**
98 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Unit**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Remarks**
99 +|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
100 +|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
101 +|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
102 +|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
103 +
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" %)
105 +
106 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
98 98  
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 -)))
109 +(% 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 -)))
111 +(% 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.
113 +
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 -)))
116 +== 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 -)))
119 +(% 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"]]
121 +[[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 -)))
124 +(% 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  
126 +[[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.
132 +* Horizontal distance measurement
133 +* Liquid level measurement
134 +* Parking management system
135 +* Object proximity and presence detection
136 +* Intelligent trash can management system
137 +* Robot obstacle avoidance
138 +* Automatic control
139 +* Sewer
140 +* Bottom water level monitoring
221 221  
222 -* Smart liquefied gas solution.
142 +== 1.7 Sleep mode and working mode ==
223 223  
224 224  
225 -== 1.7 Precautions ==
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 ==
150 +== 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]]
... ... @@ -260,7 +260,7 @@
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 ==
169 +== 1.9 BLE connection ==
264 264  
265 265  
266 266  DDS45-LB support BLE remote configure.
... ... @@ -275,12 +275,12 @@
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 ==
184 +== 1.10 Pin Definitions ==
279 279  
280 280  [[image:image-20230523174230-1.png]]
281 281  
282 282  
283 -== 1.12 Mechanical ==
189 +== 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]]