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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.2
edited by Xiaoling
on 2022/06/15 10:46
Change comment: There is no comment for this version
To version 151.16
edited by Xiaoling
on 2022/06/11 09:39
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual
1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,10 +1,11 @@
1 1  (% style="text-align:center" %)
2 -[[image:1655254599445-662.png]]
2 +[[image:1654846127817-788.png]]
3 3  
4 +**Contents:**
4 4  
6 +{{toc/}}
5 5  
6 6  
7 -**Table of Contents:**
8 8  
9 9  
10 10  
... ... @@ -11,11 +11,9 @@
11 11  
12 12  
13 13  
14 -
15 -
16 16  = 1.  Introduction =
17 17  
18 -== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
17 +== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
19 19  
20 20  (((
21 21  
... ... @@ -22,8 +22,7 @@
22 22  
23 23  (((
24 24  (((
25 -(((
26 -The Dragino LDDS20 is a (% style="color:#4472c4" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:#4472c4" %)**none-contact method **(%%)to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server
24 +The Dragino LDDS75 is a (% style="color:#4472c4" %)** 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:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 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.
27 27  )))
28 28  
29 29  (((
... ... @@ -31,7 +31,7 @@
31 31  )))
32 32  
33 33  (((
34 -The LDDS20 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 (% style="color:#4472c4" %)**none-contact measurement makes the measurement safety, easier and possible for some strict situation**. 
32 +It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
35 35  )))
36 36  
37 37  (((
... ... @@ -39,7 +39,7 @@
39 39  )))
40 40  
41 41  (((
42 -LDDS20 uses ultrasonic sensing technology for distance measurement. LDDS20 is of high accuracy to measure various liquid such as: (% style="color:#4472c4" %)**toxic substances**(%%), (% style="color:#4472c4" %)**strong acids**(%%), (% style="color:#4472c4" %)**strong alkalis**(%%) and (% style="color:#4472c4" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
40 +The LoRa wireless technology used in LDDS75 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.
43 43  )))
44 44  
45 45  (((
... ... @@ -47,7 +47,7 @@
47 47  )))
48 48  
49 49  (((
50 -The LoRa wireless technology used in LDDS20 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.
48 +LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
51 51  )))
52 52  
53 53  (((
... ... @@ -55,7 +55,7 @@
55 55  )))
56 56  
57 57  (((
58 -LDDS20 is powered by (% style="color:#4472c4" %)**8500mA Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
56 +Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
59 59  )))
60 60  
61 61  (((
... ... @@ -63,24 +63,13 @@
63 63  )))
64 64  
65 65  (((
66 -Each LDDS20 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
67 -)))
68 -
69 -(((
70 -
71 -)))
72 -)))
73 -
74 -(((
75 -(((
76 76  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
77 77  )))
78 78  )))
79 79  )))
80 -)))
81 81  
82 82  
83 -[[image:1655255122126-327.png]]
70 +[[image:1654847051249-359.png]]
84 84  
85 85  
86 86  
... ... @@ -88,10 +88,9 @@
88 88  
89 89  * LoRaWAN 1.0.3 Class A
90 90  * Ultra low power consumption
91 -* Liquid Level Measurement by Ultrasonic technology
92 -* Measure through container, No need to contact Liquid.
93 -* Valid level range 20mm - 2000mm
94 -* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
78 +* Distance Detection by Ultrasonic technology
79 +* Flat object range 280mm - 7500mm
80 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
95 95  * Cable Length : 25cm
96 96  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
97 97  * AT Commands to change parameters
... ... @@ -98,130 +98,74 @@
98 98  * Uplink on periodically
99 99  * Downlink to change configure
100 100  * IP66 Waterproof Enclosure
101 -* 8500mAh Battery for long term use
87 +* 4000mAh or 8500mAh Battery for long term use
102 102  
103 -== 1.3  Suitable Container & Liquid ==
104 104  
105 -* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
106 -* Container shape is regular, and surface is smooth.
107 -* Container Thickness:
108 -** Pure metal material.  2~~8mm, best is 3~~5mm
109 -** Pure non metal material: <10 mm
110 -* Pure liquid without irregular deposition.
111 111  
112 -== 1.4  Mechanical ==
113 113  
114 -[[image:image-20220615090910-1.png]]
92 +== 1.3  Specification ==
115 115  
94 +=== 1.3.1  Rated environmental conditions ===
116 116  
117 -[[image:image-20220615090910-2.png]]
96 +[[image:image-20220610154839-1.png]]
118 118  
98 +(((
99 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  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)**
100 +)))
119 119  
120 120  
121 -== 1.5  Install LDDS20 ==
122 122  
104 +=== 1.3.2  Effective measurement range Reference beam pattern ===
123 123  
124 -(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
106 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
125 125  
126 -LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
127 127  
128 -[[image:image-20220615091045-3.png]]
129 129  
110 +[[image:1654852253176-749.png]]
130 130  
131 131  
132 -(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
133 133  
134 -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 +(((
115 +**(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.**
116 +)))
135 135  
136 -[[image:image-20220615092010-11.png]]
137 137  
119 +[[image:1654852175653-550.png]](% style="display:none" %) ** **
138 138  
139 -No polish needed if the container is shine metal surface without paint or non-metal container.
140 140  
141 -[[image:image-20220615092044-12.png]]
142 142  
123 +== 1.5 ​ Applications ==
143 143  
125 +* Horizontal distance measurement
126 +* Liquid level measurement
127 +* Parking management system
128 +* Object proximity and presence detection
129 +* Intelligent trash can management system
130 +* Robot obstacle avoidance
131 +* Automatic control
132 +* Sewer
133 +* Bottom water level monitoring
144 144  
145 -(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
146 146  
147 -Power on LDDS75, 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.
148 148  
149 149  
150 -It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
138 +== 1.6  Pin mapping and power on ==
151 151  
152 -[[image:1655256160324-178.png]][[image:image-20220615092327-13.png]]
153 153  
141 +[[image:1654847583902-256.png]]
154 154  
155 -After paste the LDDS20 well, power on LDDS20. 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.
156 156  
157 157  
158 -(% style="color:red" %)**LED Status:**
145 += 2.  Configure LDDS75 to connect to LoRaWAN network =
159 159  
160 -* Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
161 -
162 -* (% 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.
163 -* (% style="color:blue" %)BLUE LED(% style="color:red" %) slowly blinking(%%): Sensor detects Liquid Level, The installation point is good.
164 -
165 -LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
166 -
167 -
168 -(% style="color:red" %)**Note 2:**
169 -
170 -(% 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.
171 -
172 -
173 -
174 -(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 -
176 -Prepare Eproxy AB glue.
177 -
178 -Put Eproxy AB glue in the sensor and press it hard on the container installation point.
179 -
180 -Reset LDDS20 and see if the BLUE LED is slowly blinking.
181 -
182 -[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
183 -
184 -
185 -(% style="color:red" %)**Note 1:**
186 -
187 -Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
188 -
189 -
190 -(% style="color:red" %)**Note 2:**
191 -
192 -(% 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.
193 -
194 -
195 -
196 -== 1.6 ​ Applications ==
197 -
198 -* Smart liquid control solution.
199 -* Smart liquefied gas solution.
200 -
201 -== 1.7  Precautions ==
202 -
203 -* 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.
204 -* 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.
205 -* 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.
206 -
207 -== 1.8  Pin mapping and power on ==
208 -
209 -
210 -[[image:1655257026882-201.png]]
211 -
212 -
213 -
214 -= 2.  Configure LDDS20 to connect to LoRaWAN network =
215 -
216 -
217 217  == 2.1  How it works ==
218 218  
219 219  (((
220 -The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS20. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
150 +The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
221 221  )))
222 222  
223 223  (((
224 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20.
154 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
225 225  )))
226 226  
227 227  
... ... @@ -233,7 +233,7 @@
233 233  )))
234 234  
235 235  (((
236 -[[image:1655257698953-697.png]]
166 +[[image:1654848616367-242.png]]
237 237  )))
238 238  
239 239  (((
... ... @@ -241,13 +241,11 @@
241 241  )))
242 242  
243 243  (((
244 -
245 -
246 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
174 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
247 247  )))
248 248  
249 249  (((
250 -Each LDDS20 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
178 +Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
251 251  )))
252 252  
253 253  [[image:image-20220607170145-1.jpeg]]
... ... @@ -262,8 +262,6 @@
262 262  )))
263 263  
264 264  (((
265 -
266 -
267 267  **Add APP EUI in the application**
268 268  )))
269 269  
... ... @@ -277,7 +277,6 @@
277 277  [[image:image-20220610161353-7.png]]
278 278  
279 279  
280 -
281 281  You can also choose to create the device manually.
282 282  
283 283   [[image:image-20220610161538-8.png]]
... ... @@ -290,17 +290,16 @@
290 290  
291 291  
292 292  
293 -(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
218 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
294 294  
295 295  
296 296  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
297 297  
298 -[[image:image-20220615095102-14.png]]
223 +[[image:image-20220610161724-10.png]]
299 299  
300 300  
301 -
302 302  (((
303 -(% style="color:blue" %)**Step 3**(%%)**:**  The LDDS20 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
227 +(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
304 304  )))
305 305  
306 306  [[image:1654849068701-275.png]]
... ... @@ -311,10 +311,12 @@
311 311  
312 312  (((
313 313  (((
314 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
238 +LDDS75 will uplink payload via LoRaWAN with below payload format: 
239 +)))
315 315  
316 -Uplink payload includes in total 8 bytes.
317 -Payload for firmware version v1.1.4. . Before v1.1.3, there is only 5 bytes: BAT and Distance(Please check manual v1.2.0 if you have 5 bytes payload).
241 +(((
242 +Uplink payload includes in total 4 bytes.
243 +Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
318 318  )))
319 319  )))
320 320  
... ... @@ -341,7 +341,7 @@
341 341  === 2.3.1  Battery Info ===
342 342  
343 343  
344 -Check the battery voltage for LDDS20.
270 +Check the battery voltage for LDDS75.
345 345  
346 346  Ex1: 0x0B45 = 2885mV
347 347  
... ... @@ -352,20 +352,23 @@
352 352  === 2.3.2  Distance ===
353 353  
354 354  (((
355 -Get the distance. Flat object range 20mm - 2000mm.
281 +Get the distance. Flat object range 280mm - 7500mm.
356 356  )))
357 357  
358 358  (((
359 -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" %)** 0605(H) = 1541 (D) = 1541 mm.**
285 +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" %)** 0B05(H) = 2821 (D) = 2821 mm.**
360 360  )))
361 361  
362 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
289 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
290 +* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
365 365  
292 +
293 +
294 +
366 366  === 2.3.3  Interrupt Pin ===
367 367  
368 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
297 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
369 369  
370 370  **Example:**
371 371  
... ... @@ -406,304 +406,707 @@
406 406  While using TTN network, you can add the payload format to decode the payload.
407 407  
408 408  
409 -[[image:1655261164557-670.png]]
338 +[[image:1654850829385-439.png]]
410 410  
411 411  The payload decoder function for TTN V3 is here:
412 412  
413 413  (((
414 -LDDS20 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS20/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
343 +LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
415 415  )))
416 416  
417 417  
418 418  
419 -== 2.4  Downlink Payload ==
348 +== 2.4  Uplink Interval ==
420 420  
421 -By default, LDDS20 prints the downlink payload to console port.
350 +The LDDS75 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
422 422  
423 -[[image:image-20220615100930-15.png]]
424 424  
425 425  
426 -**Examples:**
354 +== 2.5  ​Show Data in DataCake IoT Server ==
427 427  
356 +(((
357 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
358 +)))
428 428  
429 -* (% style="color:blue" %)**Set TDC**
360 +(((
361 +
362 +)))
430 430  
431 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
364 +(((
365 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
366 +)))
432 432  
433 -Payload:    01 00 00 1E    TDC=30S
368 +(((
369 +(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
370 +)))
434 434  
435 -Payload:    01 00 00 3C    TDC=60S
436 436  
373 +[[image:1654592790040-760.png]]
437 437  
438 -* (% style="color:blue" %)**Reset**
439 439  
440 -If payload = 0x04FF, it will reset the LDDS20
376 +[[image:1654592800389-571.png]]
441 441  
442 442  
443 -* (% style="color:blue" %)**CFM**
379 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
444 444  
445 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
381 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
446 446  
383 +[[image:1654851029373-510.png]]
447 447  
448 448  
449 -== 2.5  ​Show Data in DataCake IoT Server ==
386 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
450 450  
388 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
389 +
390 +
391 +
392 +== 2.6  Frequency Plans ==
393 +
451 451  (((
452 -[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
395 +The LDDS75 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.
453 453  )))
454 454  
398 +
399 +
400 +=== 2.6.1  EU863-870 (EU868) ===
401 +
455 455  (((
403 +(% style="color:blue" %)**Uplink:**
404 +)))
405 +
406 +(((
407 +868.1 - SF7BW125 to SF12BW125
408 +)))
409 +
410 +(((
411 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
412 +)))
413 +
414 +(((
415 +868.5 - SF7BW125 to SF12BW125
416 +)))
417 +
418 +(((
419 +867.1 - SF7BW125 to SF12BW125
420 +)))
421 +
422 +(((
423 +867.3 - SF7BW125 to SF12BW125
424 +)))
425 +
426 +(((
427 +867.5 - SF7BW125 to SF12BW125
428 +)))
429 +
430 +(((
431 +867.7 - SF7BW125 to SF12BW125
432 +)))
433 +
434 +(((
435 +867.9 - SF7BW125 to SF12BW125
436 +)))
437 +
438 +(((
439 +868.8 - FSK
440 +)))
441 +
442 +(((
456 456  
457 457  )))
458 458  
459 459  (((
460 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
447 +(% style="color:blue" %)**Downlink:**
461 461  )))
462 462  
463 463  (((
464 -(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
451 +Uplink channels 1-9 (RX1)
465 465  )))
466 466  
454 +(((
455 +869.525 - SF9BW125 (RX2 downlink only)
456 +)))
467 467  
468 -[[image:1654592790040-760.png]]
469 469  
470 470  
471 -[[image:1654592800389-571.png]]
460 +=== 2.6.2  US902-928(US915) ===
472 472  
462 +(((
463 +Used in USA, Canada and South America. Default use CHE=2
473 473  
474 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
465 +(% style="color:blue" %)**Uplink:**
475 475  
476 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
467 +903.9 - SF7BW125 to SF10BW125
477 477  
478 -[[image:1654851029373-510.png]]
469 +904.1 - SF7BW125 to SF10BW125
479 479  
471 +904.3 - SF7BW125 to SF10BW125
480 480  
481 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
473 +904.5 - SF7BW125 to SF10BW125
482 482  
483 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
475 +904.7 - SF7BW125 to SF10BW125
484 484  
477 +904.9 - SF7BW125 to SF10BW125
485 485  
479 +905.1 - SF7BW125 to SF10BW125
486 486  
487 -== 2.6  LED Indicator ==
481 +905.3 - SF7BW125 to SF10BW125
488 488  
489 -The LDDS20 has an internal LED which is to show the status of different state.
490 490  
484 +(% style="color:blue" %)**Downlink:**
491 491  
492 -* Blink once when device power on.
493 -* The device detects the sensor and flashes 5 times.
494 -* Solid ON for 5 seconds once device successful Join the network.
495 -* Blink once when device transmit a packet.
486 +923.3 - SF7BW500 to SF12BW500
496 496  
488 +923.9 - SF7BW500 to SF12BW500
497 497  
498 -== 2.7  ​Firmware Change Log ==
490 +924.5 - SF7BW500 to SF12BW500
499 499  
492 +925.1 - SF7BW500 to SF12BW500
500 500  
494 +925.7 - SF7BW500 to SF12BW500
495 +
496 +926.3 - SF7BW500 to SF12BW500
497 +
498 +926.9 - SF7BW500 to SF12BW500
499 +
500 +927.5 - SF7BW500 to SF12BW500
501 +
502 +923.3 - SF12BW500(RX2 downlink only)
503 +
504 +
505 +
506 +)))
507 +
508 +=== 2.6.3  CN470-510 (CN470) ===
509 +
501 501  (((
502 -**Firmware download link:  **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
511 +Used in China, Default use CHE=1
503 503  )))
504 504  
505 505  (((
515 +(% style="color:blue" %)**Uplink:**
516 +)))
517 +
518 +(((
519 +486.3 - SF7BW125 to SF12BW125
520 +)))
521 +
522 +(((
523 +486.5 - SF7BW125 to SF12BW125
524 +)))
525 +
526 +(((
527 +486.7 - SF7BW125 to SF12BW125
528 +)))
529 +
530 +(((
531 +486.9 - SF7BW125 to SF12BW125
532 +)))
533 +
534 +(((
535 +487.1 - SF7BW125 to SF12BW125
536 +)))
537 +
538 +(((
539 +487.3 - SF7BW125 to SF12BW125
540 +)))
541 +
542 +(((
543 +487.5 - SF7BW125 to SF12BW125
544 +)))
545 +
546 +(((
547 +487.7 - SF7BW125 to SF12BW125
548 +)))
549 +
550 +(((
506 506  
507 507  )))
508 508  
509 509  (((
510 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
555 +(% style="color:blue" %)**Downlink:**
511 511  )))
512 512  
558 +(((
559 +506.7 - SF7BW125 to SF12BW125
560 +)))
513 513  
562 +(((
563 +506.9 - SF7BW125 to SF12BW125
564 +)))
514 514  
515 -== 2.8  Battery Analysis ==
566 +(((
567 +507.1 - SF7BW125 to SF12BW125
568 +)))
516 516  
570 +(((
571 +507.3 - SF7BW125 to SF12BW125
572 +)))
517 517  
574 +(((
575 +507.5 - SF7BW125 to SF12BW125
576 +)))
518 518  
578 +(((
579 +507.7 - SF7BW125 to SF12BW125
580 +)))
519 519  
520 -=== 2.8.1  Battery Type ===
582 +(((
583 +507.9 - SF7BW125 to SF12BW125
584 +)))
521 521  
522 -The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
586 +(((
587 +508.1 - SF7BW125 to SF12BW125
588 +)))
523 523  
590 +(((
591 +505.3 - SF12BW125 (RX2 downlink only)
592 +)))
524 524  
525 -The battery related documents as below:
526 526  
527 -* (((
528 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
595 +
596 +=== 2.6.4  AU915-928(AU915) ===
597 +
598 +(((
599 +Default use CHE=2
600 +
601 +(% style="color:blue" %)**Uplink:**
602 +
603 +916.8 - SF7BW125 to SF12BW125
604 +
605 +917.0 - SF7BW125 to SF12BW125
606 +
607 +917.2 - SF7BW125 to SF12BW125
608 +
609 +917.4 - SF7BW125 to SF12BW125
610 +
611 +917.6 - SF7BW125 to SF12BW125
612 +
613 +917.8 - SF7BW125 to SF12BW125
614 +
615 +918.0 - SF7BW125 to SF12BW125
616 +
617 +918.2 - SF7BW125 to SF12BW125
618 +
619 +
620 +(% style="color:blue" %)**Downlink:**
621 +
622 +923.3 - SF7BW500 to SF12BW500
623 +
624 +923.9 - SF7BW500 to SF12BW500
625 +
626 +924.5 - SF7BW500 to SF12BW500
627 +
628 +925.1 - SF7BW500 to SF12BW500
629 +
630 +925.7 - SF7BW500 to SF12BW500
631 +
632 +926.3 - SF7BW500 to SF12BW500
633 +
634 +926.9 - SF7BW500 to SF12BW500
635 +
636 +927.5 - SF7BW500 to SF12BW500
637 +
638 +923.3 - SF12BW500(RX2 downlink only)
639 +
640 +
641 +
529 529  )))
530 -* (((
531 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
643 +
644 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
645 +
646 +(((
647 +(% style="color:blue" %)**Default Uplink channel:**
532 532  )))
533 -* (((
534 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
649 +
650 +(((
651 +923.2 - SF7BW125 to SF10BW125
535 535  )))
536 536  
537 - [[image:image-20220615102527-16.png]]
654 +(((
655 +923.4 - SF7BW125 to SF10BW125
656 +)))
538 538  
658 +(((
659 +
660 +)))
539 539  
662 +(((
663 +(% style="color:blue" %)**Additional Uplink Channel**:
664 +)))
540 540  
541 -== 2.8.2  Battery Note ==
666 +(((
667 +(OTAA mode, channel added by JoinAccept message)
668 +)))
542 542  
543 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
670 +(((
671 +
672 +)))
544 544  
674 +(((
675 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
676 +)))
545 545  
678 +(((
679 +922.2 - SF7BW125 to SF10BW125
680 +)))
546 546  
547 -=== 2.8.3  Replace the battery ===
682 +(((
683 +922.4 - SF7BW125 to SF10BW125
684 +)))
548 548  
549 549  (((
550 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
687 +922.6 - SF7BW125 to SF10BW125
551 551  )))
552 552  
553 553  (((
691 +922.8 - SF7BW125 to SF10BW125
692 +)))
693 +
694 +(((
695 +923.0 - SF7BW125 to SF10BW125
696 +)))
697 +
698 +(((
699 +922.0 - SF7BW125 to SF10BW125
700 +)))
701 +
702 +(((
554 554  
555 555  )))
556 556  
557 557  (((
558 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
707 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
559 559  )))
560 560  
710 +(((
711 +923.6 - SF7BW125 to SF10BW125
712 +)))
561 561  
714 +(((
715 +923.8 - SF7BW125 to SF10BW125
716 +)))
562 562  
563 -== 2.8.4  Battery Life Analyze ==
718 +(((
719 +924.0 - SF7BW125 to SF10BW125
720 +)))
564 564  
565 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
722 +(((
723 +924.2 - SF7BW125 to SF10BW125
724 +)))
566 566  
567 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
726 +(((
727 +924.4 - SF7BW125 to SF10BW125
728 +)))
568 568  
730 +(((
731 +924.6 - SF7BW125 to SF10BW125
732 +)))
569 569  
734 +(((
735 +
736 +)))
570 570  
571 -= 3.  Using the AT Commands =
738 +(((
739 +(% style="color:blue" %)**Downlink:**
740 +)))
572 572  
573 573  (((
743 +Uplink channels 1-8 (RX1)
744 +)))
745 +
574 574  (((
747 +923.2 - SF10BW125 (RX2)
748 +)))
749 +
750 +
751 +
752 +=== 2.6.6  KR920-923 (KR920) ===
753 +
754 +(((
755 +(% style="color:blue" %)**Default channel:**
756 +)))
757 +
758 +(((
759 +922.1 - SF7BW125 to SF12BW125
760 +)))
761 +
762 +(((
763 +922.3 - SF7BW125 to SF12BW125
764 +)))
765 +
766 +(((
767 +922.5 - SF7BW125 to SF12BW125
768 +)))
769 +
770 +(((
575 575  
576 576  )))
773 +
774 +(((
775 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
577 577  )))
578 578  
579 -== 3.1  Access AT Commands ==
778 +(((
779 +922.1 - SF7BW125 to SF12BW125
780 +)))
580 580  
581 -LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
782 +(((
783 +922.3 - SF7BW125 to SF12BW125
784 +)))
582 582  
786 +(((
787 +922.5 - SF7BW125 to SF12BW125
788 +)))
583 583  
584 -[[image:image-20220610172924-4.png||height="483" width="988"]]
790 +(((
791 +922.7 - SF7BW125 to SF12BW125
792 +)))
585 585  
794 +(((
795 +922.9 - SF7BW125 to SF12BW125
796 +)))
586 586  
587 -Or if you have below board, use below connection:
798 +(((
799 +923.1 - SF7BW125 to SF12BW125
800 +)))
588 588  
802 +(((
803 +923.3 - SF7BW125 to SF12BW125
804 +)))
589 589  
590 -[[image:image-20220610172924-5.png]]
806 +(((
807 +
808 +)))
591 591  
810 +(((
811 +(% style="color:blue" %)**Downlink:**
812 +)))
592 592  
593 593  (((
594 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
815 +Uplink channels 1-7(RX1)
595 595  )))
596 596  
818 +(((
819 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
820 +)))
597 597  
598 - [[image:image-20220610172924-6.png||height="601" width="860"]]
599 599  
600 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
601 601  
824 +=== 2.6.7  IN865-867 (IN865) ===
602 602  
603 -AT+<CMD>?  :  Help on <CMD>
826 +(((
827 +(% style="color:blue" %)**Uplink:**
828 +)))
604 604  
605 -AT+<CMD>  :  Run <CMD>
830 +(((
831 +865.0625 - SF7BW125 to SF12BW125
832 +)))
606 606  
607 -AT+<CMD>=<value>  :  Set the value
834 +(((
835 +865.4025 - SF7BW125 to SF12BW125
836 +)))
608 608  
609 -AT+<CMD>=?  :  Get the value
838 +(((
839 +865.9850 - SF7BW125 to SF12BW125
840 +)))
610 610  
842 +(((
843 +
844 +)))
611 611  
612 -(% style="color:#037691" %)** General Commands :**     
846 +(((
847 +(% style="color:blue" %)**Downlink:**
848 +)))
613 613  
614 -AT                    : Attention       
850 +(((
851 +Uplink channels 1-3 (RX1)
852 +)))
615 615  
616 -AT?                            : Short Help     
854 +(((
855 +866.550 - SF10BW125 (RX2)
856 +)))
617 617  
618 -ATZ                            : MCU Reset    
619 619  
620 -AT+TDC           : Application Data Transmission Interval 
621 621  
860 +== 2.7  LED Indicator ==
622 622  
623 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
862 +The LDDS75 has an internal LED which is to show the status of different state.
624 624  
625 -AT+APPEUI              : Application EUI      
626 626  
627 -AT+APPKEY              : Application Key     
865 +* Blink once when device power on.
866 +* The device detects the sensor and flashes 5 times.
867 +* Solid ON for 5 seconds once device successful Join the network.
868 +* Blink once when device transmit a packet.
628 628  
629 -AT+APPSKEY            : Application Session Key
630 630  
631 -AT+DADDR              : Device Address     
632 632  
633 -AT+DEUI                   : Device EUI     
634 634  
635 -AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
873 +== 2.8  ​Firmware Change Log ==
636 636  
637 -AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
638 638  
639 -AT+CFM          : Confirm Mode       
876 +(((
877 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
878 +)))
640 640  
641 -AT+CFS                     : Confirm Status       
880 +(((
881 +
882 +)))
642 642  
643 -AT+JOIN          : Join LoRa? Network       
884 +(((
885 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
886 +)))
644 644  
645 -AT+NJM          : LoRa? Network Join Mode    
646 646  
647 -AT+NJS                     : LoRa? Network Join Status    
648 648  
649 -AT+RECV                  : Print Last Received Data in Raw Format
890 +== 2.9  Mechanical ==
650 650  
651 -AT+RECVB                : Print Last Received Data in Binary Format      
652 652  
653 -AT+SEND                  : Send Text Data      
893 +[[image:image-20220610172003-1.png]]
654 654  
655 -AT+SENB                  : Send Hexadecimal Data
656 656  
896 +[[image:image-20220610172003-2.png]]
657 657  
658 -(% style="color:#037691" %)** LoRa Network Management :**
659 659  
660 -AT+ADR          : Adaptive Rate
661 661  
662 -AT+CLASS                : LoRa Class(Currently only support class A
900 +== 2.10  Battery Analysis ==
663 663  
664 -AT+DCS           : Duty Cycle Setting 
902 +=== 2.10.1  Battery Type ===
665 665  
666 -AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
904 +The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
667 667  
668 -AT+FCD           : Frame Counter Downlink       
669 669  
670 -AT+FCU           : Frame Counter Uplink   
907 +The battery related documents as below:
671 671  
672 -AT+JN1DL                : Join Accept Delay1
909 +* (((
910 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
911 +)))
912 +* (((
913 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
914 +)))
915 +* (((
916 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
917 +)))
673 673  
674 -AT+JN2DL                : Join Accept Delay2
919 + [[image:image-20220610172400-3.png]]
675 675  
676 -AT+PNM                   : Public Network Mode   
677 677  
678 -AT+RX1DL                : Receive Delay1      
679 679  
680 -AT+RX2DL                : Receive Delay2      
923 +=== 2.10.2  Replace the battery ===
681 681  
682 -AT+RX2DR               : Rx2 Window Data Rate 
925 +(((
926 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
927 +)))
683 683  
684 -AT+RX2FQ               : Rx2 Window Frequency
929 +(((
930 +
931 +)))
685 685  
686 -AT+TXP           : Transmit Power
933 +(((
934 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
935 +)))
687 687  
688 688  
689 -(% style="color:#037691" %)** Information :**
690 690  
691 -AT+RSSI           : RSSI of the Last Received Packet   
939 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
692 692  
693 -AT+SNR           : SNR of the Last Received Packet   
941 +(((
942 +(((
943 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
944 +)))
945 +)))
694 694  
695 -AT+VER           : Image Version and Frequency Band       
947 +* (((
948 +(((
949 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
950 +)))
951 +)))
952 +* (((
953 +(((
954 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
955 +)))
956 +)))
696 696  
697 -AT+FDR           : Factory Data Reset
958 +(((
959 +(((
960 +
961 +)))
698 698  
699 -AT+PORT                  : Application Port    
963 +(((
964 +There are two kinds of commands to configure LDDS75, they are:
965 +)))
966 +)))
700 700  
701 -AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
968 +* (((
969 +(((
970 +(% style="color:#4f81bd" %)** General Commands**.
971 +)))
972 +)))
702 702  
703 - AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
974 +(((
975 +(((
976 +These commands are to configure:
977 +)))
978 +)))
704 704  
980 +* (((
981 +(((
982 +General system settings like: uplink interval.
983 +)))
984 +)))
985 +* (((
986 +(((
987 +LoRaWAN protocol & radio related command.
988 +)))
989 +)))
705 705  
991 +(((
992 +(((
993 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
994 +)))
995 +)))
706 706  
997 +(((
998 +(((
999 +
1000 +)))
1001 +)))
1002 +
1003 +* (((
1004 +(((
1005 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1006 +)))
1007 +)))
1008 +
1009 +(((
1010 +(((
1011 +These commands only valid for LDDS75, as below:
1012 +)))
1013 +)))
1014 +
1015 +
1016 +
1017 +== 3.1  Access AT Commands ==
1018 +
1019 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1020 +
1021 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1022 +
1023 +
1024 +Or if you have below board, use below connection:
1025 +
1026 +
1027 +[[image:image-20220610172924-5.png]]
1028 +
1029 +
1030 +(((
1031 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1032 +)))
1033 +
1034 +
1035 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1036 +
1037 +
1038 +
707 707  == 3.2  Set Transmit Interval Time ==
708 708  
709 709  Feature: Change LoRaWAN End Node Transmit Interval.
... ... @@ -754,6 +754,9 @@
754 754  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
755 755  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
756 756  
1089 +
1090 +
1091 +
757 757  = 4.  FAQ =
758 758  
759 759  == 4.1  What is the frequency plan for LDDS75? ==
... ... @@ -813,6 +813,9 @@
813 813  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 814  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 815  
1151 +
1152 +
1153 +
816 816  = 7. ​ Packing Info =
817 817  
818 818  
... ... @@ -827,6 +827,9 @@
827 827  * Package Size / pcs : cm
828 828  * Weight / pcs : g
829 829  
1168 +
1169 +
1170 +
830 830  = 8.  ​Support =
831 831  
832 832  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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