Last modified by Mengting Qiu on 2023/12/14 11:15

From version 77.1
edited by Xiaoling
on 2023/06/13 14:01
Change comment: Uploaded new attachment "image-20230613140140-4.png", version {1}
To version 77.4
edited by Xiaoling
on 2023/06/13 14:11
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -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-20230613102459-3.png||height="476" width="855"]]
39 +[[image:image-20230613140115-3.png||height="453" width="800"]]
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 -* Distance Detection by Ultrasonic technology
49 -* Flat object range 30mm - 4500mm
50 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
51 -* Measure Angle: 60°
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)
52 52  * Cable Length : 25cm
53 53  * Support Bluetooth v5.1 and LoRaWAN remote configure
54 54  * Support wireless OTA update firmware
... ... @@ -57,7 +57,6 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 8500mAh Battery for long term use
59 59  
60 -
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -87,70 +87,162 @@
87 87  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
88 88  
89 89  
90 -== 1.4 Rated environmental conditions ==
89 +== 1.4 Suitable Container & Liquid ==
91 91  
92 92  
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 -
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" %)
106 106  
107 -
108 -)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
109 109  
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 +
110 110  (((
111 -(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
114 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
115 +)))
112 112  
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)**
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 +)))
114 114  
115 -
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.
116 116  )))
117 117  
118 -== 1.5 Effective measurement range Reference beam pattern ==
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 +)))
119 119  
120 120  
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.**
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 +)))
122 122  
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"]]
143 +[[image:1655256160324-178.png||height="151" width="419"]][[image:image-20220615092327-13.png||height="146" width="260"]]
124 124  
125 125  
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.**
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 +)))
127 127  
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"]]
129 129  
151 +(((
152 +(% style="color:red" %)**LED Status:**
153 +)))
130 130  
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 +
131 131  == 1.6 Applications ==
132 132  
133 133  
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
220 +* Smart liquid control solution.
143 143  
222 +* Smart liquefied gas solution.
144 144  
145 -== 1.7 Sleep mode and working mode ==
146 146  
225 +== 1.7 Precautions ==
147 147  
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 +
148 148  (% 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.
149 149  
150 150  (% 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.
151 151  
152 152  
153 -== 1.8 Button & LEDs ==
244 +== 1.9 Button & LEDs ==
154 154  
155 155  
156 156  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -169,10 +169,9 @@
169 169  )))
170 170  |(% 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.
171 171  
263 +== 1.10 BLE connection ==
172 172  
173 -== 1.9 BLE connection ==
174 174  
175 -
176 176  DDS45-LB support BLE remote configure.
177 177  
178 178  
... ... @@ -185,12 +185,12 @@
185 185  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
186 186  
187 187  
188 -== 1.10 Pin Definitions ==
278 +== 1.11 Pin Definitions ==
189 189  
190 190  [[image:image-20230523174230-1.png]]
191 191  
192 192  
193 -== 1.11 Mechanical ==
283 +== 1.12 Mechanical ==
194 194  
195 195  
196 196  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -223,7 +223,7 @@
223 223  
224 224  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.
225 225  
226 -[[image:image-20230613102426-2.png||height="476" width="855"]](% style="display:none" %)
316 +[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
227 227  
228 228  
229 229  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
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318 318  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
319 319  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
320 320  
321 -
322 322  === 2.3.3  Interrupt Pin ===
323 323  
324 324  
... ... @@ -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  
... ... @@ -572,7 +572,6 @@
572 572  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
573 573  )))
574 574  
575 -
576 576  === 3.3.2 Set Interrupt Mode ===
577 577  
578 578  
... ... @@ -607,7 +607,6 @@
607 607  
608 608  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
609 609  
610 -
611 611  = 4. Battery & Power Consumption =
612 612  
613 613  
... ... @@ -636,7 +636,6 @@
636 636  
637 637  * 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]]**.
638 638  
639 -
640 640  = 6. FAQ =
641 641  
642 642  == 6.1  What is the frequency plan for DDS45-LB? ==
... ... @@ -719,7 +719,6 @@
719 719  
720 720  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
721 721  
722 -
723 723  = 9. ​Packing Info =
724 724  
725 725  
... ... @@ -737,7 +737,6 @@
737 737  
738 738  * Weight / pcs : g
739 739  
740 -
741 741  = 10. Support =
742 742  
743 743