Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
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... ... @@ -54,6 +54,7 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 + 57 57 == 1.3 Specification == 58 58 59 59 ... ... @@ -99,6 +99,7 @@ 99 99 * Sleep Mode: 5uA @ 3.3v 100 100 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 101 101 103 + 102 102 == 1.4 Applications == 103 103 104 104 ... ... @@ -110,6 +110,7 @@ 110 110 * Automatic control 111 111 * Sewer 112 112 115 + 113 113 (% style="display:none" %) 114 114 115 115 == 1.5 Sleep mode and working mode == ... ... @@ -127,7 +127,7 @@ 127 127 128 128 129 129 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 130 -|=(% style="width: 167px;background-color:# D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**133 +|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**Action** 131 131 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)((( 132 132 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once. 133 133 Meanwhile, BLE module will be active and user can connect via BLE to configure device. ... ... @@ -139,6 +139,7 @@ 139 139 ))) 140 140 |(% 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. 141 141 145 + 142 142 == 1.7 BLE connection == 143 143 144 144 ... ... @@ -238,27 +238,29 @@ 238 238 239 239 == 2.3 Uplink Payload == 240 240 241 - 242 242 === 2.3.1 Device Status, FPORT~=5 === 243 243 247 + 244 244 Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server. 245 245 246 246 The Payload format is as below. 247 247 248 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:5 29px" %)249 -|=(% style="width: 6 2.5px;background-color:#4F81BD;color:white" %)(((252 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 253 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 250 250 **Size(bytes)** 251 -)))|=(% style="width: 1 10px; background-color:rgb(79, 129, 189);48px; background-color:rgb(79, 129, 189);rgb(79, 129, 189);94px;" %)**1**|=(% style="background-color:rgb(79, 129, 189);91px;" %)**1**|=(% style="background-color:rgb(79, 129, 189);60px;" %)**2**255 +)))|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**1**|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**2**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 50px;" %)**2** 252 252 |(% style="width:62.5px" %)Value|(% style="width:110px" %)Sensor Model|(% style="width:48px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:91px" %)Sub-band|(% style="width:60px" %)BAT 253 253 254 254 Example parse in TTNv3 255 255 256 - **Sensor Model**:For LDS12-LB, this valueis0x24260 +[[image:image-20230805103904-1.png||height="131" width="711"]] 257 257 258 - **FirmwareVersion**:0x0100,Means:v1.0.0 version262 +(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24 259 259 260 -**Fre quencyBand**:264 +(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version 261 261 266 +(% style="color:blue" %)**Frequency Band**: 267 + 262 262 0x01: EU868 263 263 264 264 0x02: US915 ... ... @@ -287,7 +287,7 @@ 287 287 288 288 0x0e: MA869 289 289 290 -**Sub-Band**: 296 +(% style="color:blue" %)**Sub-Band**: 291 291 292 292 AU915 and US915:value 0x00 ~~ 0x08 293 293 ... ... @@ -295,7 +295,7 @@ 295 295 296 296 Other Bands: Always 0x00 297 297 298 -**Battery Info**: 304 +(% style="color:blue" %)**Battery Info**: 299 299 300 300 Check the battery voltage. 301 301 ... ... @@ -306,34 +306,31 @@ 306 306 307 307 === 2.3.2 Uplink Payload, FPORT~=2 === 308 308 309 -((( 310 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 311 -))) 312 312 313 313 ((( 314 -Uplink payload includes in total 11 bytes. 315 -))) 317 +LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will: 316 316 317 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:670px" %) 318 -|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)((( 319 -**Size(bytes)** 320 -)))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 122px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 54px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 96px;" %)**1** 321 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)((( 322 -[[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]] 323 -)))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(% style="width:122px" %)((( 324 -[[Interrupt flag>>]] 319 +periodically send this uplink every 20 minutes, this interval [[can be changed>>https://111]]. 325 325 326 -[[&>>]] 321 +Uplink Payload totals 11 bytes. 322 +))) 327 327 328 -[[Interrupt_level>>]] 329 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(% style="width:96px" %)((( 330 -[[Message Type>>||anchor="H2.3.7MessageType"]] 324 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 325 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 326 +**Size(bytes)** 327 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 80px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1** 328 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)((( 329 +[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]] 330 +)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)((( 331 +[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]] 332 +)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)((( 333 +[[Message Type>>||anchor="HMessageType"]] 331 331 ))) 332 332 333 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]336 +[[image:image-20230805104104-2.png||height="136" width="754"]] 334 334 335 335 336 -==== 2.3.2.aBattery Info ====339 +==== (% style="color:blue" %)**Battery Info**(%%) ==== 337 337 338 338 339 339 Check the battery voltage for LDS12-LB. ... ... @@ -343,7 +343,7 @@ 343 343 Ex2: 0x0B49 = 2889mV 344 344 345 345 346 -==== 2.3.2.b DS18B20 Temperature sensor ====349 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ==== 347 347 348 348 349 349 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. ... ... @@ -356,7 +356,7 @@ 356 356 If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 357 357 358 358 359 -==== 2.3.2.c Distance ====362 +==== (% style="color:blue" %)**Distance**(%%) ==== 360 360 361 361 362 362 Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength. ... ... @@ -367,7 +367,7 @@ 367 367 If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm. 368 368 369 369 370 -==== 2.3.2.dDistance signal strength ====373 +==== (% style="color:blue" %)**Distance signal strength**(%%) ==== 371 371 372 372 373 373 Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible. ... ... @@ -380,7 +380,7 @@ 380 380 Customers can judge whether they need to adjust the environment based on the signal strength. 381 381 382 382 383 -==== 2.3.2.e Interrupt Pin & Interrupt Level ====386 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 384 384 385 385 386 386 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up. ... ... @@ -394,7 +394,7 @@ 394 394 0x01: Interrupt Uplink Packet. 395 395 396 396 397 -==== 2.3.2.fLiDAR temp ====400 +==== (% style="color:blue" %)**LiDAR temp**(%%) ==== 398 398 399 399 400 400 Characterize the internal temperature value of the sensor. ... ... @@ -404,7 +404,7 @@ 404 404 If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃. 405 405 406 406 407 -==== 2.3.2.gMessage Type ====410 +==== (% style="color:blue" %)**Message Type**(%%) ==== 408 408 409 409 410 410 ((( ... ... @@ -420,9 +420,10 @@ 420 420 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] 421 421 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]] 422 422 423 -=== 2.3.8 Decode payload in The Things Network === 424 424 427 +=== 2.3.3 Decode payload in The Things Network === 425 425 429 + 426 426 While using TTN network, you can add the payload format to decode the payload. 427 427 428 428 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]] ... ... @@ -437,15 +437,9 @@ 437 437 ))) 438 438 439 439 440 -== 2.4 Uplink Interval==444 +== 2.4 Show Data in DataCake IoT Server == 441 441 442 442 443 -The LDS12-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"]] 444 - 445 - 446 -== 2.5 Show Data in DataCake IoT Server == 447 - 448 - 449 449 ((( 450 450 [[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: 451 451 ))) ... ... @@ -478,13 +478,13 @@ 478 478 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]] 479 479 480 480 481 -== 2. 6Datalog Feature ==479 +== 2.5 Datalog Feature == 482 482 483 483 484 484 Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes. 485 485 486 486 487 -=== 2. 6.1 Ways to get datalog via LoRaWAN ===485 +=== 2.5.1 Ways to get datalog via LoRaWAN === 488 488 489 489 490 490 Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-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. ... ... @@ -501,7 +501,7 @@ 501 501 [[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-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]] 502 502 503 503 504 -=== 2. 6.2 Unix TimeStamp ===502 +=== 2.5.2 Unix TimeStamp === 505 505 506 506 507 507 LDS12-LB uses Unix TimeStamp format based on ... ... @@ -518,7 +518,7 @@ 518 518 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 519 519 520 520 521 -=== 2. 6.3 Set Device Time ===519 +=== 2.5.3 Set Device Time === 522 522 523 523 524 524 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. ... ... @@ -528,13 +528,13 @@ 528 528 (% 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.** 529 529 530 530 531 -=== 2. 6.4 Poll sensor value ===529 +=== 2.5.4 Poll sensor value === 532 532 533 533 534 534 Users can poll sensor values based on timestamps. Below is the downlink command. 535 535 536 536 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %) 537 -|(% colspan="4" style="background-color:# d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**535 +|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)** 538 538 |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte** 539 539 |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval 540 540 ... ... @@ -555,7 +555,7 @@ 555 555 ))) 556 556 557 557 558 -== 2. 7Frequency Plans ==556 +== 2.6 Frequency Plans == 559 559 560 560 561 561 The LDS12-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. ... ... @@ -563,9 +563,9 @@ 563 563 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 564 564 565 565 566 -== 2. 8LiDAR ToF Measurement ==564 +== 2.7 LiDAR ToF Measurement == 567 567 568 -=== 2. 8.1 Principle of Distance Measurement ===566 +=== 2.7.1 Principle of Distance Measurement === 569 569 570 570 571 571 The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below. ... ... @@ -573,7 +573,7 @@ 573 573 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]] 574 574 575 575 576 -=== 2. 8.2 Distance Measurement Characteristics ===574 +=== 2.7.2 Distance Measurement Characteristics === 577 577 578 578 579 579 With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below: ... ... @@ -611,7 +611,7 @@ 611 611 ))) 612 612 613 613 614 -=== 2. 8.3 Notice of usage ===612 +=== 2.7.3 Notice of usage === 615 615 616 616 617 617 Possible invalid /wrong reading for LiDAR ToF tech: ... ... @@ -621,9 +621,10 @@ 621 621 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 622 622 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window. 623 623 624 -=== 2.8.4 Reflectivity of different objects === 625 625 623 +=== 2.7.4 Reflectivity of different objects === 626 626 625 + 627 627 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %) 628 628 |=(% style="width: 54px;background-color:#4F81BD;color:white" %)Item|=(% style="width: 231px;background-color:#4F81BD;color:white" %)Material|=(% style="width: 94px;background-color:#4F81BD;color:white" %)Relectivity 629 629 |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4% ... ... @@ -647,6 +647,7 @@ 647 647 |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200% 648 648 |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300% 649 649 649 + 650 650 = 3. Configure LDS12-LB = 651 651 652 652 == 3.1 Configure Methods == ... ... @@ -660,6 +660,7 @@ 660 660 661 661 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 662 662 663 + 663 663 == 3.2 General Commands == 664 664 665 665 ... ... @@ -816,6 +816,7 @@ 816 816 817 817 * 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]]**. 818 818 820 + 819 819 = 6. FAQ = 820 820 821 821 == 6.1 What is the frequency plan for LDS12-LB? == ... ... @@ -876,6 +876,7 @@ 876 876 877 877 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 878 878 881 + 879 879 = 9. Packing Info = 880 880 881 881 ... ... @@ -893,6 +893,7 @@ 893 893 894 894 * Weight / pcs : g 895 895 899 + 896 896 = 10. Support = 897 897 898 898
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