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Last modified by Mengting Qiu on 2023/12/14 11:15
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edited by Xiaoling
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edited by Xiaoling
on 2023/06/13 14:54
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Title
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1 -DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual
1 +DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230613100900-1.png||height="683" width="683"]]
2 +[[image:image-20230613133716-2.png||height="717" width="717"]]
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
10 +
6 6  **Table of Contents：**
7 7  
8 8  {{toc/}}
... ... @@ -14,24 +14,26 @@
14 14  
15 15  = 1. Introduction =
16 16  
17 -== 1.1 What is LoRaWAN Distance Detection Sensor ==
22 +== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
18 18  
19 19  
20 -The Dragino DDS45-LB is a (% style="color:blue" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-LB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
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.
21 21  
22 -It detects the distance(% style="color:blue" %)**  between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
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. 
23 23  
24 -The LoRa wireless technology used in DDS45-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
29 +DDS20-LB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-LB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**(%%), (% style="color:blue" %)**strong acids**(%%), (% style="color:blue" %)**strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
25 25  
26 -DDS45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
31 +The LoRa wireless technology used in DDS20-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
27 27  
28 -DDS45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
33 +DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
29 29  
30 -Each DDS45-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.
35 +DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
31 31  
32 -[[image:image-20230612170943-2.png||height="525" width="912"]]
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.
33 33  
39 +[[image:image-20230613140115-3.png||height="453" width="800"]]
34 34  
41 +
35 35  == 1.2 ​Features ==
36 36  
37 37  
... ... @@ -38,9 +38,10 @@
38 38  * LoRaWAN 1.0.3 Class A
39 39  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
40 40  * Ultra-low power consumption
41 -* Distance Detection by Ultrasonic technology
42 -* Flat object range 280mm - 7500mm
43 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
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)
44 44  * Cable Length : 25cm
45 45  * Support Bluetooth v5.1 and LoRaWAN remote configure
46 46  * Support wireless OTA update firmware
... ... @@ -49,7 +49,6 @@
49 49  * IP66 Waterproof Enclosure
50 50  * 8500mAh Battery for long term use
51 51  
52 -
53 53  == 1.3 Specification ==
54 54  
55 55  
... ... @@ -78,71 +78,142 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
88 +== 1.4 Suitable Container & Liquid ==
81 81  
82 -== 1.4 Rated environmental conditions ==
83 83  
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" %)
84 84  
85 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
86 -|(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
87 -**Minimum value**
88 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
89 -**Typical value**
90 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:87px" %)(((
91 -**Maximum value**
92 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Unit**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Remarks**
93 -|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
94 -|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
95 -|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
96 -|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
97 -
98 +== 1.5 Install DDS20-LB ==
98 98  
99 -
100 -)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
101 101  
101 +(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
102 +
103 +DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
104 +
105 +[[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"]]
106 +
107 +
102 102  (((
103 -(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
109 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
110 +)))
104 104  
105 -(% 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)**
112 +(((
113 +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.
114 +)))
106 106  
107 -
116 +[[image:image-20230613143052-5.png]]
117 +
118 +
119 +No polish needed if the container is shine metal surface without paint or non-metal container.
120 +
121 +[[image:image-20230613143125-6.png]]
122 +
123 +
124 +(((
125 +(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
108 108  )))
109 109  
110 -== 1.5 Effective measurement range Reference beam pattern ==
128 +(((
129 +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.
130 +)))
111 111  
132 +(((
133 +It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
134 +)))
112 112  
113 -(% 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.**
136 +(((
137 +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.
138 +)))
114 114  
115 -[[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"]]
116 116  
141 +(((
142 +(% style="color:red" %)**LED Status:**
143 +)))
117 117  
118 -(% 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 +* (((
146 +Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
147 +)))
119 119  
120 -[[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"]]
149 +* (((
150 +(% 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.
151 +)))
152 +* (((
153 +(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
154 +)))
121 121  
156 +(((
157 +LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
158 +)))
122 122  
160 +
161 +(((
162 +(% style="color:red" %)**Note 2:**
163 +)))
164 +
165 +(((
166 +(% 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.
167 +)))
168 +
169 +
170 +(((
171 +(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
172 +)))
173 +
174 +(((
175 +Prepare Eproxy AB glue.
176 +)))
177 +
178 +(((
179 +Put Eproxy AB glue in the sensor and press it hard on the container installation point.
180 +)))
181 +
182 +(((
183 +Reset DDS20-LB and see if the BLUE LED is slowly blinking.
184 +)))
185 +
186 +[[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-20220615091045-8.png?width=341&height=203&rev=1.1||alt="image-20220615091045-8.png"]] [[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-20220615091045-9.png?width=284&height=200&rev=1.1||alt="image-20220615091045-9.png"]]
187 +
188 +
189 +(((
190 +(% style="color:red" %)**Note 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.
191 +)))
192 +
193 +(((
194 +(% style="color:red" %)**Note 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.
195 +)))
196 +
197 +
123 123  == 1.6 Applications ==
124 124  
125 125  
126 -* Horizontal distance measurement
127 -* Liquid level measurement
128 -* Parking management system
129 -* Object proximity and presence detection
130 -* Intelligent trash can management system
131 -* Robot obstacle avoidance
132 -* Automatic control
133 -* Sewer
134 -* Bottom water level monitoring
201 +* Smart liquid control solution.
135 135  
203 +* Smart liquefied gas solution.
136 136  
137 -== 1.7 Sleep mode and working mode ==
138 138  
206 +== 1.7 Precautions ==
139 139  
208 +
209 +* 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.
210 +
211 +* 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.
212 +
213 +* 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" %)
214 +
215 +== 1.8 Sleep mode and working mode ==
216 +
217 +
140 140  (% 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.
141 141  
142 142  (% 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.
143 143  
144 144  
145 -== 1.8 Button & LEDs ==
223 +== 1.9 Button & LEDs ==
146 146  
147 147  
148 148  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -161,13 +161,11 @@
161 161  )))
162 162  |(% 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.
163 163  
242 +== 1.10 BLE connection ==
164 164  
165 -== 1.9 BLE connection ==
166 166  
245 +DDS20-LB support BLE remote configure.
167 167  
168 -DDS45-LB support BLE remote configure.
169 -
170 -
171 171  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:
172 172  
173 173  * Press button to send an uplink
... ... @@ -177,12 +177,12 @@
177 177  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
178 178  
179 179  
180 -== 1.10 Pin Definitions ==
256 +== 1.11 Pin Definitions ==
181 181  
182 182  [[image:image-20230523174230-1.png]]
183 183  
184 184  
185 -== 1.11 Mechanical ==
261 +== 1.12 Mechanical ==
186 186  
187 187  
188 188  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -196,22 +196,18 @@
196 196  
197 197  (% style="color:blue" %)**Probe Mechanical:**
198 198  
275 +[[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"]]
199 199  
200 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]]
201 201  
278 +[[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"]]
202 202  
203 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
204 204  
281 += 2. Configure DDS20-LB to connect to LoRaWAN network =
205 205  
206 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
207 -
208 -
209 -= 2. Configure DDS45-LB to connect to LoRaWAN network =
210 -
211 211  == 2.1 How it works ==
212 212  
213 213  
214 -The DDS45-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DDS45-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
286 +The DDS20-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DDS20-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
215 215  
216 216  (% style="display:none" %) (%%)
217 217  
... ... @@ -222,12 +222,12 @@
222 222  
223 223  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.
224 224  
225 -[[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %)
297 +[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
226 226  
227 227  
228 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
300 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
229 229  
230 -Each DDS45-LB is shipped with a sticker with the default device EUI as below:
302 +Each DDS20-LB is shipped with a sticker with the default device EUI as below:
231 231  
232 232  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
233 233  
... ... @@ -256,10 +256,10 @@
256 256  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
257 257  
258 258  
259 -(% style="color:blue" %)**Step 2:**(%%) Activate on DDS45-LB
331 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
260 260  
261 261  
262 -Press the button for 5 seconds to activate the DDS45-LB.
334 +Press the button for 5 seconds to activate the DDS20-LB.
263 263  
264 264  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
265 265  
... ... @@ -270,7 +270,7 @@
270 270  
271 271  
272 272  (((
273 -DDS45-LB will uplink payload via LoRaWAN with below payload format: 
345 +DDS20-LB will uplink payload via LoRaWAN with below payload format: 
274 274  )))
275 275  
276 276  (((
... ... @@ -288,13 +288,13 @@
288 288  [[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
289 289  )))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
290 290  
291 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
363 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
292 292  
293 293  
294 294  === 2.3.1  Battery Info ===
295 295  
296 296  
297 -Check the battery voltage for DDS45-LB.
369 +Check the battery voltage for DDS20-LB.
298 298  
299 299  Ex1: 0x0B45 = 2885mV
300 300  
... ... @@ -305,20 +305,18 @@
305 305  
306 306  
307 307  (((
308 -Get the distance. Flat object range 280mm - 7500mm.
380 +Get the distance. Flat object range 20mm - 2000mm.
309 309  )))
310 310  
311 311  (((
312 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
384 +For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
313 313  
314 -(% style="color:#4472c4" %)**0B05(H) = 2821 (D) = 2821 mm.**
386 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
315 315  )))
316 316  
317 -
318 318  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
319 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. All value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
390 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
320 320  
321 -
322 322  === 2.3.3  Interrupt Pin ===
323 323  
324 324  
... ... @@ -365,7 +365,7 @@
365 365  The payload decoder function for TTN V3 is here:
366 366  
367 367  (((
368 -DDS45-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
438 +DDS20-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
369 369  )))
370 370  
371 371  
... ... @@ -372,7 +372,7 @@
372 372  == 2.4  Uplink Interval ==
373 373  
374 374  
375 -The DDS45-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
445 +The DDS20-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
376 376  
377 377  
378 378  == 2.5  ​Show Data in DataCake IoT Server ==
... ... @@ -400,7 +400,7 @@
400 400  
401 401  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
402 402  
403 -(% style="color:blue" %)**Step 4**(%%)**: Search the DDS45-LB and add DevEUI.**
473 +(% style="color:blue" %)**Step 4**(%%)**: Search the DDS20-LB and add DevEUI.**
404 404  
405 405  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
406 406  
... ... @@ -414,19 +414,19 @@
414 414  == 2.6 Datalog Feature ==
415 415  
416 416  
417 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS45-LB will store the reading for future retrieving purposes.
487 +Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS20-LB will store the reading for future retrieving purposes.
418 418  
419 419  
420 420  === 2.6.1 Ways to get datalog via LoRaWAN ===
421 421  
422 422  
423 -Set PNACKMD=1, DDS45-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS45-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
493 +Set PNACKMD=1, DDS20-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS20-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
424 424  
425 425  * (((
426 -a) DDS45-LB will do an ACK check for data records sending to make sure every data arrive server.
496 +a) DDS20-LB will do an ACK check for data records sending to make sure every data arrive server.
427 427  )))
428 428  * (((
429 -b) DDS45-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS45-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS45-LB gets a ACK, DDS45-LB will consider there is a network connection and resend all NONE-ACK messages.
499 +b) DDS20-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS20-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS20-LB gets a ACK, DDS20-LB will consider there is a network connection and resend all NONE-ACK messages.
430 430  )))
431 431  
432 432  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
... ... @@ -437,7 +437,7 @@
437 437  === 2.6.2 Unix TimeStamp ===
438 438  
439 439  
440 -DDS45-LB uses Unix TimeStamp format based on
510 +DDS20-LB uses Unix TimeStamp format based on
441 441  
442 442  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
443 443  
... ... @@ -456,7 +456,7 @@
456 456  
457 457  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
458 458  
459 -Once DDS45-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS45-LB. If DDS45-LB fails to get the time from the server, DDS45-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
529 +Once DDS20-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS20-LB. If DDS20-LB fails to get the time from the server, DDS20-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
460 460  
461 461  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
462 462  
... ... @@ -484,7 +484,7 @@
484 484  )))
485 485  
486 486  (((
487 -Uplink Internal =5s，means DDS45-LB will send one packet every 5s. range 5~~255s.
557 +Uplink Internal =5s，means DDS20-LB will send one packet every 5s. range 5~~255s.
488 488  )))
489 489  
490 490  
... ... @@ -491,17 +491,17 @@
491 491  == 2.7 Frequency Plans ==
492 492  
493 493  
494 -The DDS45-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
564 +The DDS20-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
495 495  
496 496  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
497 497  
498 498  
499 -= 3. Configure DDS45-LB =
569 += 3. Configure DDS20-LB =
500 500  
501 501  == 3.1 Configure Methods ==
502 502  
503 503  
504 -DDS45-LB supports below configure method:
574 +DDS20-LB supports below configure method:
505 505  
506 506  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
507 507  
... ... @@ -509,7 +509,6 @@
509 509  
510 510  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
511 511  
512 -
513 513  == 3.2 General Commands ==
514 514  
515 515  
... ... @@ -524,10 +524,10 @@
524 524  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
525 525  
526 526  
527 -== 3.3 Commands special design for DDS45-LB ==
596 +== 3.3 Commands special design for DDS20-LB ==
528 528  
529 529  
530 -These commands only valid for DDS45-LB, as below:
599 +These commands only valid for DDS20-LB, as below:
531 531  
532 532  
533 533  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -569,10 +569,7 @@
569 569  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
570 570  )))
571 571  * (((
572 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
573 -
574 -
575 -
641 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
576 576  )))
577 577  
578 578  === 3.3.2 Set Interrupt Mode ===
... ... @@ -609,11 +609,10 @@
609 609  
610 610  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
611 611  
612 -
613 613  = 4. Battery & Power Consumption =
614 614  
615 615  
616 -DDS45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
681 +DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
617 617  
618 618  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
619 619  
... ... @@ -622,7 +622,7 @@
622 622  
623 623  
624 624  (% class="wikigeneratedid" %)
625 -User can change firmware DDS45-LB to:
690 +User can change firmware DDS20-LB to:
626 626  
627 627  * Change Frequency band/ region.
628 628  
... ... @@ -630,7 +630,7 @@
630 630  
631 631  * Fix bugs.
632 632  
633 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/7la95mae0fn03xe/AACtzs-32m22TLb75B-iIr-Qa?dl=0]]**
698 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
634 634  
635 635  Methods to Update Firmware:
636 636  
... ... @@ -638,19 +638,18 @@
638 638  
639 639  * 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]]**.
640 640  
641 -
642 642  = 6. FAQ =
643 643  
644 -== 6.1  What is the frequency plan for DDS45-LB? ==
708 +== 6.1  What is the frequency plan for DDS20-LB? ==
645 645  
646 646  
647 -DDS45-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
711 +DDS20-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
648 648  
649 649  
650 -== 6.2  Can I use DDS45-LB in condensation environment? ==
714 +== 6.2  Can I use DDS20-LB in condensation environment? ==
651 651  
652 652  
653 -DDS45-LB is not suitable to be used in condensation environment. Condensation on the DDS45-LB probe will affect the reading and always got 0.
717 +DDS20-LB is not suitable to be used in condensation environment. Condensation on the DDS20-LB probe will affect the reading and always got 0.
654 654  
655 655  
656 656  = 7.  Trouble Shooting =
... ... @@ -667,41 +667,20 @@
667 667  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
668 668  
669 669  
670 -== 7.3  Why does the sensor reading show 0 or "No sensor" ==
734 +== 7.3  Why i always see 0x0000 or 0 for the distance value? ==
671 671  
672 672  
673 -~1. The measurement object is very close to the sensor, but in the blind spot of the sensor.
737 +(((
738 +LDDS20 has a strict [[**installation requirement**>>||anchor="H1.5A0InstallLDDS20"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00.
674 674  
675 -2. Sensor wiring is disconnected
740 +If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify.
741 +)))
676 676  
677 -3. Not using the correct decoder
678 678  
679 -
680 -== 7.4  Abnormal readings The gap between multiple readings is too large or the gap between the readings and the actual value is too large ==
681 -
682 -
683 -1) Please check if there is something on the probe affecting its measurement (condensed water, volatile oil, etc.)
684 -
685 -2) Does it change with temperature, temperature will affect its measurement
686 -
687 -3) If abnormal data occurs, you can turn on DEBUG mode, Please use downlink or AT COMMAN to enter DEBUG mode.
688 -
689 -downlink command: (% style="color:blue" %)**F1 01**(%%), AT command: (% style="color:blue" %)**AT+DDEBUG=1**
690 -
691 -4) After entering the debug mode, it will send 20 pieces of data at a time, and you can send its uplink to us for analysis
692 -
693 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20230113135125-2.png?width=1057&height=136&rev=1.1||alt="image-20230113135125-2.png"]]
694 -
695 -
696 -Its original payload will be longer than other data. Even though it is being parsed, it can be seen that it is abnormal data.
697 -
698 -Please send the data to us for check.
699 -
700 -
701 701  = 8. Order Info =
702 702  
703 703  
704 -Part Number: (% style="color:blue" %)**DDS45-LB-XXX**
747 +Part Number: (% style="color:blue" %)**DDS20-LB-XXX**
705 705  
706 706  (% style="color:red" %)**XXX**(%%): **The default frequency band**
707 707  
... ... @@ -722,12 +722,13 @@
722 722  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
723 723  
724 724  
768 +
725 725  = 9. ​Packing Info =
726 726  
727 727  
728 728  (% style="color:#037691" %)**Package Includes**:
729 729  
730 -* DDS45-LB LoRaWAN Distance Detection Sensor x 1
774 +* DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor x 1
731 731  
732 732  (% style="color:#037691" %)**Dimension and weight**:
733 733  
... ... @@ -740,6 +740,7 @@
740 740  * Weight / pcs : g
741 741  
742 742  
787 +
743 743  = 10. Support =
744 744  
745 745  
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