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 79.6
edited by Xiaoling
on 2023/06/13 14:47
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  
... ... @@ -86,71 +86,145 @@
86 86  * Sleep Mode: 5uA @ 3.3v
87 87  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
88 88  
88 +== 1.4 Suitable Container & Liquid ==
89 89  
90 -== 1.4 Rated environmental conditions ==
91 91  
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" %)
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 -
106 106  
107 -
108 -)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
99 +== 1.5 Install DDS20-LB ==
109 109  
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 +
110 110  (((
111 -(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
110 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
111 +)))
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)**
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 +)))
114 114  
115 -
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 +(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
116 116  )))
117 117  
118 -== 1.5 Effective measurement range Reference beam pattern ==
129 +(((
130 +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.
131 +)))
119 119  
133 +(((
134 +It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
135 +)))
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.**
137 +(((
138 +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.
139 +)))
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"]]
124 124  
142 +(((
143 +(% style="color:red" %)**LED Status:**
144 +)))
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 +Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
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"]]
150 +* (((
151 +(% 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.
152 +)))
153 +* (((
154 +(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
155 +)))
129 129  
157 +(((
158 +LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
159 +)))
130 130  
161 +
162 +(((
163 +(% style="color:red" %)**Note 2:**
164 +)))
165 +
166 +(((
167 +(% 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.
168 +)))
169 +
170 +
171 +(((
172 +(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
173 +)))
174 +
175 +(((
176 +Prepare Eproxy AB glue.
177 +)))
178 +
179 +(((
180 +Put Eproxy AB glue in the sensor and press it hard on the container installation point.
181 +)))
182 +
183 +(((
184 +Reset DDS20-LB and see if the BLUE LED is slowly blinking.
185 +)))
186 +
187 +[[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"]]
188 +
189 +
190 +(((
191 +(% 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.
192 +)))
193 +
194 +(((
195 +(% 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.
196 +)))
197 +
198 +
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
202 +* Smart liquid control solution.
143 143  
204 +* Smart liquefied gas solution.
144 144  
145 -== 1.7 Sleep mode and working mode ==
146 146  
147 147  
208 +== 1.7 Precautions ==
209 +
210 +
211 +* 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.
212 +
213 +* 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.
214 +
215 +* 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" %)
216 +
217 +
218 +== 1.8 Sleep mode and working mode ==
219 +
220 +
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 ==
226 +== 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]]
... ... @@ -169,13 +169,11 @@
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  
245 +== 1.10 BLE connection ==
172 172  
173 -== 1.9 BLE connection ==
174 174  
248 +DDS20-LB support BLE remote configure.
175 175  
176 -DDS45-LB support BLE remote configure.
177 -
178 -
179 179  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:
180 180  
181 181  * Press button to send an uplink
... ... @@ -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 ==
259 +== 1.11 Pin Definitions ==
189 189  
190 190  [[image:image-20230523174230-1.png]]
191 191  
192 192  
193 -== 1.11 Mechanical ==
264 +== 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]]
... ... @@ -204,15 +204,18 @@
204 204  
205 205  (% style="color:blue" %)**Probe Mechanical:**
206 206  
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"]]
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-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]]
208 208  
209 209  
210 -= 2. Configure DDS45-LB to connect to LoRaWAN network =
281 +[[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"]]
211 211  
283 +
284 += 2. Configure DDS20-LB to connect to LoRaWAN network =
285 +
212 212  == 2.1 How it works ==
213 213  
214 214  
215 -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.
289 +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.
216 216  
217 217  (% style="display:none" %) (%%)
218 218  
... ... @@ -223,12 +223,12 @@
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" %)
300 +[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
227 227  
228 228  
229 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
303 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
230 230  
231 -Each DDS45-LB is shipped with a sticker with the default device EUI as below:
305 +Each DDS20-LB is shipped with a sticker with the default device EUI as below:
232 232  
233 233  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
234 234  
... ... @@ -257,10 +257,10 @@
257 257  [[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"]]
258 258  
259 259  
260 -(% style="color:blue" %)**Step 2:**(%%) Activate on DDS45-LB
334 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
261 261  
262 262  
263 -Press the button for 5 seconds to activate the DDS45-LB.
337 +Press the button for 5 seconds to activate the DDS20-LB.
264 264  
265 265  (% 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.
266 266  
... ... @@ -271,7 +271,7 @@
271 271  
272 272  
273 273  (((
274 -DDS45-LB will uplink payload via LoRaWAN with below payload format: 
348 +DDS20-LB will uplink payload via LoRaWAN with below payload format: 
275 275  )))
276 276  
277 277  (((
... ... @@ -295,7 +295,7 @@
295 295  === 2.3.1  Battery Info ===
296 296  
297 297  
298 -Check the battery voltage for DDS45-LB.
372 +Check the battery voltage for DDS20-LB.
299 299  
300 300  Ex1: 0x0B45 = 2885mV
301 301  
... ... @@ -318,7 +318,6 @@
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  
... ... @@ -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]]
441 +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"]]
448 +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.**
476 +(% 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.
490 +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.
496 +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.
499 +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.
502 +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
513 +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).
532 +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.
560 +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.
567 +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 =
572 += 3. Configure DDS20-LB =
500 500  
501 501  == 3.1 Configure Methods ==
502 502  
503 503  
504 -DDS45-LB supports below configure method:
577 +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 ==
599 +== 3.3 Commands special design for DDS20-LB ==
528 528  
529 529  
530 -These commands only valid for DDS45-LB, as below:
602 +These commands only valid for DDS20-LB, as below:
531 531  
532 532  
533 533  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -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  
... ... @@ -607,11 +607,10 @@
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  
614 -DDS45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
684 +DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
615 615  
616 616  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
617 617  
... ... @@ -620,7 +620,7 @@
620 620  
621 621  
622 622  (% class="wikigeneratedid" %)
623 -User can change firmware DDS45-LB to:
693 +User can change firmware DDS20-LB to:
624 624  
625 625  * Change Frequency band/ region.
626 626  
... ... @@ -628,7 +628,7 @@
628 628  
629 629  * Fix bugs.
630 630  
631 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/a5ue0nfrzqy9nz6/AABbvlATosDJKDwBmbirVbMYa?dl=0]]**
701 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
632 632  
633 633  Methods to Update Firmware:
634 634  
... ... @@ -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  
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