Skip to Content
Last modified by Mengting Qiu on 2025/08/06 17:02
From version 155.1
edited by Xiaoling
on 2022/06/15 09:05
Change comment: Uploaded new attachment "1655255122126-327.png", version {1}
To version 174.10
edited by Xiaoling
on 2022/06/15 10:44
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -80,7 +80,7 @@
80 80  )))
81 81  
82 82  
83 -[[image:1654847051249-359.png]]
83 +[[image:1655255122126-327.png]]
84 84  
85 85  
86 86  
... ... @@ -88,9 +88,10 @@
88 88  
89 89  * LoRaWAN 1.0.3 Class A
90 90  * Ultra low power consumption
91 -* Distance Detection by Ultrasonic technology
92 -* Flat object range 280mm - 7500mm
93 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
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)
94 94  * Cable Length : 25cm
95 95  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
96 96  * AT Commands to change parameters
... ... @@ -97,70 +97,130 @@
97 97  * Uplink on periodically
98 98  * Downlink to change configure
99 99  * IP66 Waterproof Enclosure
100 -* 4000mAh or 8500mAh Battery for long term use
101 +* 8500mAh Battery for long term use
101 101  
102 -== 1.3  Specification ==
103 +== 1.3  Suitable Container & Liquid ==
103 103  
104 -=== 1.3.1  Rated environmental conditions ===
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.
105 105  
106 -[[image:image-20220610154839-1.png]]
112 +== 1.4  Mechanical ==
107 107  
108 -(((
109 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
114 +[[image:image-20220615090910-1.png]]
110 110  
111 -**~ 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 -)))
113 113  
117 +[[image:image-20220615090910-2.png]]
114 114  
115 115  
116 -=== 1.3.2  Effective measurement range Reference beam pattern ===
117 117  
118 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
121 +== 1.5  Install LDDS20 ==
119 119  
120 120  
124 +(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
121 121  
122 -[[image:1654852253176-749.png]]
126 +LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
123 123  
128 +[[image:image-20220615091045-3.png]]
124 124  
125 125  
126 -(((
127 -**(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.**
128 -)))
129 129  
132 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
130 130  
131 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
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.
132 132  
136 +[[image:image-20220615092010-11.png]]
133 133  
134 134  
135 -== 1.5 ​ Applications ==
139 +No polish needed if the container is shine metal surface without paint or non-metal container.
136 136  
137 -* Horizontal distance measurement
138 -* Liquid level measurement
139 -* Parking management system
140 -* Object proximity and presence detection
141 -* Intelligent trash can management system
142 -* Robot obstacle avoidance
143 -* Automatic control
144 -* Sewer
145 -* Bottom water level monitoring
141 +[[image:image-20220615092044-12.png]]
146 146  
147 -== 1.6  Pin mapping and power on ==
148 148  
149 149  
150 -[[image:1654847583902-256.png]]
145 +(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
151 151  
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.
152 152  
153 153  
154 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
150 +It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
155 155  
152 +[[image:1655256160324-178.png]][[image:image-20220615092327-13.png]]
153 +
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 +
157 +
158 +(% style="color:red" %)**LED Status:**
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 +
156 156  == 2.1  How it works ==
157 157  
158 158  (((
159 -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
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.
160 160  )))
161 161  
162 162  (((
163 -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.
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.
164 164  )))
165 165  
166 166  
... ... @@ -172,7 +172,7 @@
172 172  )))
173 173  
174 174  (((
175 -[[image:1654848616367-242.png]]
236 +[[image:1655257698953-697.png]]
176 176  )))
177 177  
178 178  (((
... ... @@ -182,11 +182,11 @@
182 182  (((
183 183  
184 184  
185 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
246 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
186 186  )))
187 187  
188 188  (((
189 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
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.
190 190  )))
191 191  
192 192  [[image:image-20220607170145-1.jpeg]]
... ... @@ -216,6 +216,7 @@
216 216  [[image:image-20220610161353-7.png]]
217 217  
218 218  
280 +
219 219  You can also choose to create the device manually.
220 220  
221 221   [[image:image-20220610161538-8.png]]
... ... @@ -228,16 +228,17 @@
228 228  
229 229  
230 230  
231 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
293 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
232 232  
233 233  
234 234  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
235 235  
236 -[[image:image-20220610161724-10.png]]
298 +[[image:image-20220615095102-14.png]]
237 237  
238 238  
301 +
239 239  (((
240 -(% 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.
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.
241 241  )))
242 242  
243 243  [[image:1654849068701-275.png]]
... ... @@ -248,12 +248,10 @@
248 248  
249 249  (((
250 250  (((
251 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
252 -)))
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
253 253  
254 -(((
255 -Uplink payload includes in total 4 bytes.
256 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
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).
257 257  )))
258 258  )))
259 259  
... ... @@ -280,7 +280,7 @@
280 280  === 2.3.1  Battery Info ===
281 281  
282 282  
283 -Check the battery voltage for LDDS75.
344 +Check the battery voltage for LDDS20.
284 284  
285 285  Ex1: 0x0B45 = 2885mV
286 286  
... ... @@ -291,20 +291,21 @@
291 291  === 2.3.2  Distance ===
292 292  
293 293  (((
294 -Get the distance. Flat object range 280mm - 7500mm.
355 +Get the distance. Flat object range 20mm - 2000mm.
295 295  )))
296 296  
297 297  (((
298 -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.**
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.**
299 299  )))
300 300  
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.
301 301  
302 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
303 -* 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.
304 304  
366 +
305 305  === 2.3.3  Interrupt Pin ===
306 306  
307 -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 +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.
308 308  
309 309  **Example:**
310 310  
... ... @@ -350,699 +350,300 @@
350 350  The payload decoder function for TTN V3 is here:
351 351  
352 352  (((
353 -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 +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/]]
354 354  )))
355 355  
356 356  
357 357  
358 -== 2.4  Uplink Interval ==
420 +== 2.4  Downlink Payload ==
359 359  
360 -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 +By default, LDDS20 prints the downlink payload to console port.
361 361  
424 +[[image:image-20220615100930-15.png]]
362 362  
363 363  
364 -== 2.5  ​Show Data in DataCake IoT Server ==
427 +**Examples:**
365 365  
366 -(((
367 -[[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:
368 -)))
369 369  
370 -(((
371 -
372 -)))
430 +* (% style="color:blue" %)**Set TDC**
373 373  
374 -(((
375 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
376 -)))
432 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
377 377  
378 -(((
379 -(% 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:**
380 -)))
434 +Payload:    01 00 00 1E    TDC=30S
381 381  
436 +Payload:    01 00 00 3C    TDC=60S
382 382  
383 -[[image:1654592790040-760.png]]
384 384  
439 +* (% style="color:blue" %)**Reset**
385 385  
386 -[[image:1654592800389-571.png]]
441 +If payload = 0x04FF, it will reset the LDDS20
387 387  
388 388  
389 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
444 +* (% style="color:blue" %)**CFM**
390 390  
391 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
446 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
392 392  
393 -[[image:1654851029373-510.png]]
394 394  
395 395  
396 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
450 +== 2.5  ​Show Data in DataCake IoT Server ==
397 397  
398 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
399 -
400 -
401 -
402 -== 2.6  Frequency Plans ==
403 -
404 404  (((
405 -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 +[[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:
406 406  )))
407 407  
408 -
409 -
410 -=== 2.6.1  EU863-870 (EU868) ===
411 -
412 412  (((
413 -(% style="color:blue" %)**Uplink:**
414 -)))
415 -
416 -(((
417 -868.1 - SF7BW125 to SF12BW125
418 -)))
419 -
420 -(((
421 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
422 -)))
423 -
424 -(((
425 -868.5 - SF7BW125 to SF12BW125
426 -)))
427 -
428 -(((
429 -867.1 - SF7BW125 to SF12BW125
430 -)))
431 -
432 -(((
433 -867.3 - SF7BW125 to SF12BW125
434 -)))
435 -
436 -(((
437 -867.5 - SF7BW125 to SF12BW125
438 -)))
439 -
440 -(((
441 -867.7 - SF7BW125 to SF12BW125
442 -)))
443 -
444 -(((
445 -867.9 - SF7BW125 to SF12BW125
446 -)))
447 -
448 -(((
449 -868.8 - FSK
450 -)))
451 -
452 -(((
453 453  
454 454  )))
455 455  
456 456  (((
457 -(% style="color:blue" %)**Downlink:**
461 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
458 458  )))
459 459  
460 460  (((
461 -Uplink channels 1-9 (RX1)
465 +(% 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:**
462 462  )))
463 463  
464 -(((
465 -869.525 - SF9BW125 (RX2 downlink only)
466 -)))
467 467  
469 +[[image:1654592790040-760.png]]
468 468  
469 469  
470 -=== 2.6.2  US902-928(US915) ===
472 +[[image:1654592800389-571.png]]
471 471  
472 -(((
473 -Used in USA, Canada and South America. Default use CHE=2
474 474  
475 -(% style="color:blue" %)**Uplink:**
475 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
476 476  
477 -903.9 - SF7BW125 to SF10BW125
477 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
478 478  
479 -904.1 - SF7BW125 to SF10BW125
479 +[[image:1654851029373-510.png]]
480 480  
481 -904.3 - SF7BW125 to SF10BW125
482 482  
483 -904.5 - SF7BW125 to SF10BW125
482 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
484 484  
485 -904.7 - SF7BW125 to SF10BW125
484 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
486 486  
487 -904.9 - SF7BW125 to SF10BW125
488 488  
489 -905.1 - SF7BW125 to SF10BW125
490 490  
491 -905.3 - SF7BW125 to SF10BW125
488 +== 2.6  LED Indicator ==
492 492  
490 +The LDDS20 has an internal LED which is to show the status of different state.
493 493  
494 -(% style="color:blue" %)**Downlink:**
495 495  
496 -923.3 - SF7BW500 to SF12BW500
493 +* Blink once when device power on.
494 +* The device detects the sensor and flashes 5 times.
495 +* Solid ON for 5 seconds once device successful Join the network.
496 +* Blink once when device transmit a packet.
497 497  
498 -923.9 - SF7BW500 to SF12BW500
499 499  
500 -924.5 - SF7BW500 to SF12BW500
501 501  
502 -925.1 - SF7BW500 to SF12BW500
500 +== 2.7  ​Firmware Change Log ==
503 503  
504 -925.7 - SF7BW500 to SF12BW500
505 505  
506 -926.3 - SF7BW500 to SF12BW500
507 -
508 -926.9 - SF7BW500 to SF12BW500
509 -
510 -927.5 - SF7BW500 to SF12BW500
511 -
512 -923.3 - SF12BW500(RX2 downlink only)
513 -
514 -
515 -
516 -)))
517 -
518 -=== 2.6.3  CN470-510 (CN470) ===
519 -
520 520  (((
521 -Used in China, Default use CHE=1
504 +**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/]]
522 522  )))
523 523  
524 524  (((
525 -(% style="color:blue" %)**Uplink:**
526 -)))
527 -
528 -(((
529 -486.3 - SF7BW125 to SF12BW125
530 -)))
531 -
532 -(((
533 -486.5 - SF7BW125 to SF12BW125
534 -)))
535 -
536 -(((
537 -486.7 - SF7BW125 to SF12BW125
538 -)))
539 -
540 -(((
541 -486.9 - SF7BW125 to SF12BW125
542 -)))
543 -
544 -(((
545 -487.1 - SF7BW125 to SF12BW125
546 -)))
547 -
548 -(((
549 -487.3 - SF7BW125 to SF12BW125
550 -)))
551 -
552 -(((
553 -487.5 - SF7BW125 to SF12BW125
554 -)))
555 -
556 -(((
557 -487.7 - SF7BW125 to SF12BW125
558 -)))
559 -
560 -(((
561 561  
562 562  )))
563 563  
564 564  (((
565 -(% style="color:blue" %)**Downlink:**
512 +**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
566 566  )))
567 567  
568 -(((
569 -506.7 - SF7BW125 to SF12BW125
570 -)))
571 571  
572 -(((
573 -506.9 - SF7BW125 to SF12BW125
574 -)))
575 575  
576 -(((
577 -507.1 - SF7BW125 to SF12BW125
578 -)))
517 +== 2.8  Battery Analysis ==
579 579  
580 -(((
581 -507.3 - SF7BW125 to SF12BW125
582 -)))
583 583  
584 -(((
585 -507.5 - SF7BW125 to SF12BW125
586 -)))
587 587  
588 -(((
589 -507.7 - SF7BW125 to SF12BW125
590 -)))
591 591  
592 -(((
593 -507.9 - SF7BW125 to SF12BW125
594 -)))
522 +=== 2.8.1  Battery Type ===
595 595  
596 -(((
597 -508.1 - SF7BW125 to SF12BW125
598 -)))
524 +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.
599 599  
600 -(((
601 -505.3 - SF12BW125 (RX2 downlink only)
602 -)))
603 603  
527 +The battery related documents as below:
604 604  
605 -
606 -=== 2.6.4  AU915-928(AU915) ===
607 -
608 -(((
609 -Default use CHE=2
610 -
611 -(% style="color:blue" %)**Uplink:**
612 -
613 -916.8 - SF7BW125 to SF12BW125
614 -
615 -917.0 - SF7BW125 to SF12BW125
616 -
617 -917.2 - SF7BW125 to SF12BW125
618 -
619 -917.4 - SF7BW125 to SF12BW125
620 -
621 -917.6 - SF7BW125 to SF12BW125
622 -
623 -917.8 - SF7BW125 to SF12BW125
624 -
625 -918.0 - SF7BW125 to SF12BW125
626 -
627 -918.2 - SF7BW125 to SF12BW125
628 -
629 -
630 -(% style="color:blue" %)**Downlink:**
631 -
632 -923.3 - SF7BW500 to SF12BW500
633 -
634 -923.9 - SF7BW500 to SF12BW500
635 -
636 -924.5 - SF7BW500 to SF12BW500
637 -
638 -925.1 - SF7BW500 to SF12BW500
639 -
640 -925.7 - SF7BW500 to SF12BW500
641 -
642 -926.3 - SF7BW500 to SF12BW500
643 -
644 -926.9 - SF7BW500 to SF12BW500
645 -
646 -927.5 - SF7BW500 to SF12BW500
647 -
648 -923.3 - SF12BW500(RX2 downlink only)
649 -
650 -
651 -
529 +* (((
530 +[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
652 652  )))
653 -
654 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
655 -
656 -(((
657 -(% style="color:blue" %)**Default Uplink channel:**
532 +* (((
533 +[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
658 658  )))
659 -
660 -(((
661 -923.2 - SF7BW125 to SF10BW125
535 +* (((
536 +[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
662 662  )))
663 663  
664 -(((
665 -923.4 - SF7BW125 to SF10BW125
666 -)))
539 + [[image:image-20220615102527-16.png]]
667 667  
668 -(((
669 -
670 -)))
671 671  
672 -(((
673 -(% style="color:blue" %)**Additional Uplink Channel**:
674 -)))
675 675  
676 -(((
677 -(OTAA mode, channel added by JoinAccept message)
678 -)))
543 +== 2.8.2  Battery Note ==
679 679  
680 -(((
681 -
682 -)))
545 +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.
683 683  
684 -(((
685 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
686 -)))
687 687  
688 -(((
689 -922.2 - SF7BW125 to SF10BW125
690 -)))
691 691  
692 -(((
693 -922.4 - SF7BW125 to SF10BW125
694 -)))
549 +=== 2.8.3  Replace the battery ===
695 695  
696 696  (((
697 -922.6 - SF7BW125 to SF10BW125
552 +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.
698 698  )))
699 699  
700 700  (((
701 -922.8 - SF7BW125 to SF10BW125
702 -)))
703 -
704 -(((
705 -923.0 - SF7BW125 to SF10BW125
706 -)))
707 -
708 -(((
709 -922.0 - SF7BW125 to SF10BW125
710 -)))
711 -
712 -(((
713 713  
714 714  )))
715 715  
716 716  (((
717 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
560 +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)
718 718  )))
719 719  
720 -(((
721 -923.6 - SF7BW125 to SF10BW125
722 -)))
723 723  
724 -(((
725 -923.8 - SF7BW125 to SF10BW125
726 -)))
727 727  
728 -(((
729 -924.0 - SF7BW125 to SF10BW125
730 -)))
565 +== 2.8.4  Battery Life Analyze ==
731 731  
732 -(((
733 -924.2 - SF7BW125 to SF10BW125
734 -)))
567 +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:
735 735  
736 -(((
737 -924.4 - SF7BW125 to SF10BW125
738 -)))
569 +[[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]]
739 739  
740 -(((
741 -924.6 - SF7BW125 to SF10BW125
742 -)))
743 743  
744 -(((
745 -
746 -)))
747 747  
748 -(((
749 -(% style="color:blue" %)**Downlink:**
750 -)))
573 += 3.  Using the AT Commands =
751 751  
752 752  (((
753 -Uplink channels 1-8 (RX1)
754 -)))
755 -
756 756  (((
757 -923.2 - SF10BW125 (RX2)
758 -)))
759 -
760 -
761 -
762 -=== 2.6.6  KR920-923 (KR920) ===
763 -
764 -(((
765 -(% style="color:blue" %)**Default channel:**
766 -)))
767 -
768 -(((
769 -922.1 - SF7BW125 to SF12BW125
770 -)))
771 -
772 -(((
773 -922.3 - SF7BW125 to SF12BW125
774 -)))
775 -
776 -(((
777 -922.5 - SF7BW125 to SF12BW125
778 -)))
779 -
780 -(((
781 781  
782 782  )))
783 -
784 -(((
785 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
786 786  )))
787 787  
788 -(((
789 -922.1 - SF7BW125 to SF12BW125
790 -)))
581 +== 3.1  Access AT Commands ==
791 791  
792 -(((
793 -922.3 - SF7BW125 to SF12BW125
794 -)))
583 +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.
795 795  
796 -(((
797 -922.5 - SF7BW125 to SF12BW125
798 -)))
799 799  
800 -(((
801 -922.7 - SF7BW125 to SF12BW125
802 -)))
586 +[[image:image-20220610172924-4.png||height="483" width="988"]]
803 803  
804 -(((
805 -922.9 - SF7BW125 to SF12BW125
806 -)))
807 807  
808 -(((
809 -923.1 - SF7BW125 to SF12BW125
810 -)))
589 +Or if you have below board, use below connection:
811 811  
812 -(((
813 -923.3 - SF7BW125 to SF12BW125
814 -)))
815 815  
816 -(((
817 -
818 -)))
592 +[[image:image-20220610172924-5.png]]
819 819  
820 -(((
821 -(% style="color:blue" %)**Downlink:**
822 -)))
823 823  
824 824  (((
825 -Uplink channels 1-7(RX1)
596 +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:
826 826  )))
827 827  
828 -(((
829 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
830 -)))
831 831  
600 + [[image:image-20220610172924-6.png||height="601" width="860"]]
832 832  
602 +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/]].
833 833  
834 -=== 2.6.7  IN865-867 (IN865) ===
835 835  
836 -(((
837 -(% style="color:blue" %)**Uplink:**
838 -)))
605 +AT+<CMD>?  :  Help on <CMD>
839 839  
840 -(((
841 -865.0625 - SF7BW125 to SF12BW125
842 -)))
607 +AT+<CMD>  :  Run <CMD>
843 843  
844 -(((
845 -865.4025 - SF7BW125 to SF12BW125
846 -)))
609 +AT+<CMD>=<value>  :  Set the value
847 847  
848 -(((
849 -865.9850 - SF7BW125 to SF12BW125
850 -)))
611 +AT+<CMD>=?  :  Get the value
851 851  
852 -(((
853 -
854 -)))
855 855  
856 -(((
857 -(% style="color:blue" %)**Downlink:**
858 -)))
614 +**General Commands** : 
859 859  
860 -(((
861 -Uplink channels 1-3 (RX1)
862 -)))
616 +AT                    : Attention       
863 863  
864 -(((
865 -866.550 - SF10BW125 (RX2)
866 -)))
618 +AT?                            : Short Help     
867 867  
620 +ATZ                            : MCU Reset    
868 868  
622 +AT+TDC           : Application Data Transmission Interval 
869 869  
870 -== 2.7  LED Indicator ==
871 871  
872 -The LDDS75 has an internal LED which is to show the status of different state.
625 +**Keys, IDs and EUIs management:**
873 873  
627 +AT+APPEUI              : Application EUI      
874 874  
875 -* Blink once when device power on.
876 -* The device detects the sensor and flashes 5 times.
877 -* Solid ON for 5 seconds once device successful Join the network.
878 -* Blink once when device transmit a packet.
629 +AT+APPKEY              : Application Key     
879 879  
880 -== 2.8  ​Firmware Change Log ==
631 +AT+APPSKEY            : Application Session Key
881 881  
633 +AT+DADDR              : Device Address     
882 882  
883 -(((
884 -**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/]]
885 -)))
635 +AT+DEUI                   : Device EUI     
886 886  
887 -(((
888 -
889 -)))
637 +AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
890 890  
891 -(((
892 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
893 -)))
639 +AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
894 894  
641 +AT+CFM          : Confirm Mode       
895 895  
643 +AT+CFS                     : Confirm Status       
896 896  
897 -== 2.9  Mechanical ==
645 +AT+JOIN          : Join LoRa? Network       
898 898  
647 +AT+NJM          : LoRa? Network Join Mode    
899 899  
900 -[[image:image-20220610172003-1.png]]
649 +AT+NJS                     : LoRa? Network Join Status    
901 901  
651 +AT+RECV                  : Print Last Received Data in Raw Format
902 902  
903 -[[image:image-20220610172003-2.png]]
653 +AT+RECVB                : Print Last Received Data in Binary Format      
904 904  
655 +AT+SEND                  : Send Text Data      
905 905  
657 +AT+SENB                  : Send Hexadecimal Data
906 906  
907 -== 2.10  Battery Analysis ==
908 908  
909 -=== 2.10.1  Battery Type ===
660 +**LoRa Network Management :**
910 910  
911 -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.
662 +AT+ADR          : Adaptive Rate
912 912  
664 +AT+CLASS                : LoRa Class(Currently only support class A
913 913  
914 -The battery related documents as below:
666 +AT+DCS           : Duty Cycle Setting 
915 915  
916 -* (((
917 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
918 -)))
919 -* (((
920 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
921 -)))
922 -* (((
923 -[[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]]
924 -)))
668 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
925 925  
926 - [[image:image-20220610172400-3.png]]
670 +AT+FCD           : Frame Counter Downlink       
927 927  
672 +AT+FCU           : Frame Counter Uplink   
928 928  
674 +AT+JN1DL                : Join Accept Delay1
929 929  
930 -=== 2.10.2  Replace the battery ===
676 +AT+JN2DL                : Join Accept Delay2
931 931  
932 -(((
933 -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.
934 -)))
678 +AT+PNM                   : Public Network Mode   
935 935  
936 -(((
937 -
938 -)))
680 +AT+RX1DL                : Receive Delay1      
939 939  
940 -(((
941 -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)
942 -)))
682 +AT+RX2DL                : Receive Delay2      
943 943  
684 +AT+RX2DR               : Rx2 Window Data Rate 
944 944  
686 +AT+RX2FQ               : Rx2 Window Frequency
945 945  
946 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
688 +AT+TXP           : Transmit Power
947 947  
948 -(((
949 -(((
950 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
951 -)))
952 -)))
953 953  
954 -* (((
955 -(((
956 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
957 -)))
958 -)))
959 -* (((
960 -(((
961 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
962 -)))
963 -)))
691 +**Information :**
964 964  
965 -(((
966 -(((
967 -
968 -)))
693 +AT+RSSI           : RSSI of the Last Received Packet   
969 969  
970 -(((
971 -There are two kinds of commands to configure LDDS75, they are:
972 -)))
973 -)))
695 +AT+SNR           : SNR of the Last Received Packet   
974 974  
975 -* (((
976 -(((
977 -(% style="color:#4f81bd" %)** General Commands**.
978 -)))
979 -)))
697 +AT+VER           : Image Version and Frequency Band       
980 980  
981 -(((
982 -(((
983 -These commands are to configure:
984 -)))
985 -)))
699 +AT+FDR           : Factory Data Reset
986 986  
987 -* (((
988 -(((
989 -General system settings like: uplink interval.
990 -)))
991 -)))
992 -* (((
993 -(((
994 -LoRaWAN protocol & radio related command.
995 -)))
996 -)))
701 +AT+PORT                  : Application Port    
997 997  
998 -(((
999 -(((
1000 -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]]
1001 -)))
1002 -)))
703 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
1003 1003  
1004 -(((
1005 -(((
1006 -
1007 -)))
1008 -)))
705 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
1009 1009  
1010 -* (((
1011 -(((
1012 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1013 -)))
1014 -)))
1015 1015  
1016 -(((
1017 -(((
1018 -These commands only valid for LDDS75, as below:
1019 -)))
1020 -)))
1021 1021  
1022 -
1023 -
1024 -== 3.1  Access AT Commands ==
1025 -
1026 -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.
1027 -
1028 -[[image:image-20220610172924-4.png||height="483" width="988"]]
1029 -
1030 -
1031 -Or if you have below board, use below connection:
1032 -
1033 -
1034 -[[image:image-20220610172924-5.png]]
1035 -
1036 -
1037 -(((
1038 -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:
1039 -)))
1040 -
1041 -
1042 - [[image:image-20220610172924-6.png||height="601" width="860"]]
1043 -
1044 -
1045 -
1046 1046  == 3.2  Set Transmit Interval Time ==
1047 1047  
1048 1048  Feature: Change LoRaWAN End Node Transmit Interval.
1655256160324-178.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +177.0 KB
Content
1655257026882-201.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +492.6 KB
Content
1655257698953-697.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +101.7 KB
Content
image-20220615090910-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +8.3 KB
Content
image-20220615090910-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +5.7 KB
Content
image-20220615091045-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +209.8 KB
Content
image-20220615091045-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +76.9 KB
Content
image-20220615091045-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +111.5 KB
Content
image-20220615091045-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +196.0 KB
Content
image-20220615091045-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +371.1 KB
Content
image-20220615091045-8.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +206.3 KB
Content
image-20220615091045-9.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +115.0 KB
Content
image-20220615091929-10.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +37.7 KB
Content
image-20220615092010-11.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +37.3 KB
Content
image-20220615092044-12.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +63.5 KB
Content
image-20220615092327-13.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +66.3 KB
Content
image-20220615095102-14.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +179.0 KB
Content
image-20220615100930-15.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +10.5 KB
Content
image-20220615102527-16.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +182.9 KB
Content