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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... ... @@ -54,8 +54,6 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 - 58 - 59 59 == 1.3 Specification == 60 60 61 61 ... ... @@ -101,8 +101,6 @@ 101 101 * Sleep Mode: 5uA @ 3.3v 102 102 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 103 103 104 - 105 - 106 106 == 1.4 Applications == 107 107 108 108 ... ... @@ -114,8 +114,6 @@ 114 114 * Automatic control 115 115 * Sewer 116 116 117 - 118 - 119 119 (% style="display:none" %) 120 120 121 121 == 1.5 Sleep mode and working mode == ... ... @@ -161,8 +161,8 @@ 161 161 162 162 == 1.8 Pin Definitions == 163 163 164 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]] 165 165 159 +[[image:image-20230805144259-1.png||height="413" width="741"]] 166 166 167 167 == 1.9 Mechanical == 168 168 ... ... @@ -259,6 +259,8 @@ 259 259 260 260 Example parse in TTNv3 261 261 256 +[[image:image-20230805103904-1.png||height="131" width="711"]] 257 + 262 262 (% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24 263 263 264 264 (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version ... ... @@ -314,11 +314,11 @@ 314 314 315 315 316 316 ((( 317 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 318 -))) 313 +LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will: 319 319 320 -((( 321 -Uplink payload includes in total 11 bytes. 315 +periodically send this uplink every 20 minutes, this interval [[can be changed>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H3.3.1SetTransmitIntervalTime]]. 316 + 317 +Uplink Payload totals 11 bytes. 322 322 ))) 323 323 324 324 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) ... ... @@ -333,7 +333,7 @@ 333 333 [[Message Type>>||anchor="HMessageType"]] 334 334 ))) 335 335 336 -[[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"]]332 +[[image:image-20230805104104-2.png||height="136" width="754"]] 337 337 338 338 339 339 ==== (% style="color:blue" %)**Battery Info**(%%) ==== ... ... @@ -388,7 +388,7 @@ 388 388 389 389 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. 390 390 391 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]]. 387 +Note: The Internet Pin is a separate pin in the screw terminal. See GPIO_EXTI of [[pin mapping>>||anchor="H1.8PinDefinitions"]]. 392 392 393 393 **Example:** 394 394 ... ... @@ -423,6 +423,69 @@ 423 423 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] 424 424 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]] 425 425 422 + 423 +=== 2.3.3 Historical Water Flow Status, FPORT~=3 === 424 + 425 +LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>url:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-LB_LoRaWAN_Flow_Sensor_User_Manual/#H2.5DatalogFeature]]. 426 + 427 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time water flow status. 428 + 429 + 430 +* ((( 431 +Each data entry is 11 bytes and has the same structure as [[real time water flow status>>url:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-LB_LoRaWAN_Flow_Sensor_User_Manual/#H2.3.3A0WaterFlowValue2CUplinkFPORT3D2]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands. 432 +))) 433 + 434 +For example, in the US915 band, the max payload for different DR is: 435 + 436 +**a) DR0:** max is 11 bytes so one entry of data 437 + 438 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 439 + 440 +**c) DR2:** total payload includes 11 entries of data 441 + 442 +**d) DR3:** total payload includes 22 entries of data. 443 + 444 +If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0 445 + 446 + 447 +**Downlink:** 448 + 449 +0x31 64 CC 68 0C 64 CC 69 74 05 450 + 451 +[[image:image-20230805144936-2.png||height="113" width="746"]] 452 + 453 +**Uplink:** 454 + 455 +43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D 456 + 457 + 458 +**Parsed Value:** 459 + 460 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH,LIDAR_TEMP,EXTI_STATUS , EXTI_FLAG , TIME] 461 + 462 + 463 +[360,176,30,High,True,2023-08-04 02:53:00], 464 + 465 +[355,168,30,Low,False,2023-08-04 02:53:29], 466 + 467 +[245,211,30,Low,False,2023-08-04 02:54:29], 468 + 469 +[57,700,30,Low,False,2023-08-04 02:55:29], 470 + 471 +[361,164,30,Low,True,2023-08-04 02:56:00], 472 + 473 +[337,184,30,Low,False,2023-08-04 02:56:40], 474 + 475 +[20,4458,30,Low,False,2023-08-04 02:57:40], 476 + 477 +[362,173,30,Low,False,2023-08-04 02:58:53], 478 + 479 + 480 +History read from serial port: 481 + 482 +[[image:image-20230805145056-3.png]] 483 + 484 + 426 426 === 2.3.3 Decode payload in The Things Network === 427 427 428 428 ... ... @@ -440,15 +440,9 @@ 440 440 ))) 441 441 442 442 443 -== 2.4 Uplink Interval==502 +== 2.4 Show Data in DataCake IoT Server == 444 444 445 445 446 -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"]] 447 - 448 - 449 -== 2.5 Show Data in DataCake IoT Server == 450 - 451 - 452 452 ((( 453 453 [[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: 454 454 ))) ... ... @@ -481,13 +481,13 @@ 481 481 [[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"]] 482 482 483 483 484 -== 2. 6Datalog Feature ==537 +== 2.5 Datalog Feature == 485 485 486 486 487 487 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. 488 488 489 489 490 -=== 2. 6.1 Ways to get datalog via LoRaWAN ===543 +=== 2.5.1 Ways to get datalog via LoRaWAN === 491 491 492 492 493 493 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. ... ... @@ -504,7 +504,7 @@ 504 504 [[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"]] 505 505 506 506 507 -=== 2. 6.2 Unix TimeStamp ===560 +=== 2.5.2 Unix TimeStamp === 508 508 509 509 510 510 LDS12-LB uses Unix TimeStamp format based on ... ... @@ -521,7 +521,7 @@ 521 521 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 522 522 523 523 524 -=== 2. 6.3 Set Device Time ===577 +=== 2.5.3 Set Device Time === 525 525 526 526 527 527 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. ... ... @@ -531,7 +531,7 @@ 531 531 (% 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.** 532 532 533 533 534 -=== 2. 6.4 Poll sensor value ===587 +=== 2.5.4 Poll sensor value === 535 535 536 536 537 537 Users can poll sensor values based on timestamps. Below is the downlink command. ... ... @@ -558,7 +558,7 @@ 558 558 ))) 559 559 560 560 561 -== 2. 7Frequency Plans ==614 +== 2.6 Frequency Plans == 562 562 563 563 564 564 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. ... ... @@ -566,9 +566,9 @@ 566 566 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 567 567 568 568 569 -== 2. 8LiDAR ToF Measurement ==622 +== 2.7 LiDAR ToF Measurement == 570 570 571 -=== 2. 8.1 Principle of Distance Measurement ===624 +=== 2.7.1 Principle of Distance Measurement === 572 572 573 573 574 574 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. ... ... @@ -576,7 +576,7 @@ 576 576 [[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"]] 577 577 578 578 579 -=== 2. 8.2 Distance Measurement Characteristics ===632 +=== 2.7.2 Distance Measurement Characteristics === 580 580 581 581 582 582 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: ... ... @@ -614,7 +614,7 @@ 614 614 ))) 615 615 616 616 617 -=== 2. 8.3 Notice of usage ===670 +=== 2.7.3 Notice of usage === 618 618 619 619 620 620 Possible invalid /wrong reading for LiDAR ToF tech: ... ... @@ -624,7 +624,7 @@ 624 624 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 625 625 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window. 626 626 627 -=== 2. 8.4 Reflectivity of different objects ===680 +=== 2.7.4 Reflectivity of different objects === 628 628 629 629 630 630 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %) ... ... @@ -764,7 +764,7 @@ 764 764 765 765 === 3.3.3 Set Power Output Duration === 766 766 767 -Control the output duration 3V3 . Before each sampling, device will 820 +Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will 768 768 769 769 ~1. first enable the power output to external sensor, 770 770 ... ... @@ -780,6 +780,7 @@ 780 780 OK 781 781 |(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK 782 782 |(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK 836 +|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK 783 783 784 784 (% style="color:blue" %)**Downlink Command: 0x07**(%%) 785 785 Format: Command Code (0x07) followed by 3 bytes. ... ... @@ -788,6 +788,7 @@ 788 788 789 789 * Example 1: Downlink Payload: 07 01 00 00 **~-~-->** AT+3V3T=0 790 790 * Example 2: Downlink Payload: 07 01 01 F4 **~-~-->** AT+3V3T=500 845 +* Example 3: Downlink Payload: 07 01 FF FF **~-~-->** AT+3V3T=65535 791 791 792 792 = 4. Battery & Power Consumption = 793 793
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