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 +54,8 @@ 54 54 * Downlink to change configure 55 55 * 8500mAh Battery for long term use 56 56 57 + 58 + 57 57 == 1.3 Specification == 58 58 59 59 ... ... @@ -99,6 +99,8 @@ 99 99 * Sleep Mode: 5uA @ 3.3v 100 100 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 101 101 104 + 105 + 102 102 == 1.4 Applications == 103 103 104 104 ... ... @@ -110,6 +110,8 @@ 110 110 * Automatic control 111 111 * Sewer 112 112 117 + 118 + 113 113 (% style="display:none" %) 114 114 115 115 == 1.5 Sleep mode and working mode == ... ... @@ -139,6 +139,8 @@ 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. 141 141 148 + 149 + 142 142 == 1.7 BLE connection == 143 143 144 144 ... ... @@ -155,8 +155,8 @@ 155 155 156 156 == 1.8 Pin Definitions == 157 157 166 +[[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"]] 158 158 159 -[[image:image-20230805144259-1.png||height="413" width="741"]] 160 160 161 161 == 1.9 Mechanical == 162 162 ... ... @@ -253,8 +253,6 @@ 253 253 254 254 Example parse in TTNv3 255 255 256 -[[image:image-20230805103904-1.png||height="131" width="711"]] 257 - 258 258 (% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24 259 259 260 260 (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version ... ... @@ -310,11 +310,11 @@ 310 310 311 311 312 312 ((( 313 -LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will: 319 +LDS12-LB will uplink payload via LoRaWAN with below payload format: 320 +))) 314 314 315 -periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]]. 316 - 317 -Uplink Payload totals 11 bytes. 322 +((( 323 +Uplink payload includes in total 11 bytes. 318 318 ))) 319 319 320 320 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) ... ... @@ -329,7 +329,7 @@ 329 329 [[Message Type>>||anchor="HMessageType"]] 330 330 ))) 331 331 332 -[[image:i mage-20230805104104-2.png||height="136" width="754"]]338 +[[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"]] 333 333 334 334 335 335 ==== (% style="color:blue" %)**Battery Info**(%%) ==== ... ... @@ -379,33 +379,18 @@ 379 379 Customers can judge whether they need to adjust the environment based on the signal strength. 380 380 381 381 382 -**1) When the sensor detects valid data:** 383 - 384 -[[image:image-20230805155335-1.png||height="145" width="724"]] 385 - 386 - 387 -**2) When the sensor detects invalid data:** 388 - 389 -[[image:image-20230805155428-2.png||height="139" width="726"]] 390 - 391 - 392 -**3) When the sensor is not connected:** 393 - 394 -[[image:image-20230805155515-3.png||height="143" width="725"]] 395 - 396 - 397 397 ==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ==== 398 398 399 399 400 400 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. 401 401 402 -Note: The Internet Pin is a separate pin in the screw terminal. See of GPIO_EXTI.393 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]]. 403 403 404 404 **Example:** 405 405 406 - If byte[0]&0x01=0x00: Normal uplink packet.397 +0x00: Normal uplink packet. 407 407 408 - If byte[0]&0x01=0x01: Interrupt Uplink Packet.399 +0x01: Interrupt Uplink Packet. 409 409 410 410 411 411 ==== (% style="color:blue" %)**LiDAR temp**(%%) ==== ... ... @@ -431,97 +431,14 @@ 431 431 432 432 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %) 433 433 |=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload** 434 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload 435 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload 425 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]] 426 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]] 436 436 437 -[[image:image-20230805150315-4.png||height="233" width="723"]] 438 438 439 439 440 -=== 2.3.3 Historicalmeasuringdistance,FPORT~=3===430 +=== 2.3.3 Decode payload in The Things Network === 441 441 442 442 443 -LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]]. 444 - 445 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance. 446 - 447 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 448 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 449 -**Size(bytes)** 450 -)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% 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: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4 451 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)((( 452 -Reserve(0xFF) 453 -)))|Distance|Distance signal strength|(% style="width:88px" %)((( 454 -LiDAR temp 455 -)))|(% style="width:85px" %)Unix TimeStamp 456 - 457 -**Interrupt flag & Interrupt level:** 458 - 459 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 460 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)((( 461 -**Size(bit)** 462 -)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0** 463 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)((( 464 -Interrupt flag 465 -))) 466 - 467 -* ((( 468 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H2.3.2UplinkPayload2CFPORT3D2]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands. 469 -))) 470 - 471 -For example, in the US915 band, the max payload for different DR is: 472 - 473 -**a) DR0:** max is 11 bytes so one entry of data 474 - 475 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 476 - 477 -**c) DR2:** total payload includes 11 entries of data 478 - 479 -**d) DR3:** total payload includes 22 entries of data. 480 - 481 -If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0 482 - 483 - 484 -**Downlink:** 485 - 486 -0x31 64 CC 68 0C 64 CC 69 74 05 487 - 488 -[[image:image-20230805144936-2.png||height="113" width="746"]] 489 - 490 -**Uplink:** 491 - 492 -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 493 - 494 - 495 -**Parsed Value:** 496 - 497 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH,LIDAR_TEMP,EXTI_STATUS , EXTI_FLAG , TIME] 498 - 499 - 500 -[360,176,30,High,True,2023-08-04 02:53:00], 501 - 502 -[355,168,30,Low,False,2023-08-04 02:53:29], 503 - 504 -[245,211,30,Low,False,2023-08-04 02:54:29], 505 - 506 -[57,700,30,Low,False,2023-08-04 02:55:29], 507 - 508 -[361,164,30,Low,True,2023-08-04 02:56:00], 509 - 510 -[337,184,30,Low,False,2023-08-04 02:56:40], 511 - 512 -[20,4458,30,Low,False,2023-08-04 02:57:40], 513 - 514 -[362,173,30,Low,False,2023-08-04 02:58:53], 515 - 516 - 517 -**History read from serial port:** 518 - 519 -[[image:image-20230805145056-3.png]] 520 - 521 - 522 -=== 2.3.4 Decode payload in The Things Network === 523 - 524 - 525 525 While using TTN network, you can add the payload format to decode the payload. 526 526 527 527 [[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"]] ... ... @@ -536,9 +536,15 @@ 536 536 ))) 537 537 538 538 539 -== 2.4 Show DatainDataCakeIoT Server==447 +== 2.4 Uplink Interval == 540 540 541 541 450 +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"]] 451 + 452 + 453 +== 2.5 Show Data in DataCake IoT Server == 454 + 455 + 542 542 ((( 543 543 [[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: 544 544 ))) ... ... @@ -571,13 +571,13 @@ 571 571 [[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"]] 572 572 573 573 574 -== 2. 5Datalog Feature ==488 +== 2.6 Datalog Feature == 575 575 576 576 577 577 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. 578 578 579 579 580 -=== 2. 5.1 Ways to get datalog via LoRaWAN ===494 +=== 2.6.1 Ways to get datalog via LoRaWAN === 581 581 582 582 583 583 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. ... ... @@ -594,7 +594,7 @@ 594 594 [[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"]] 595 595 596 596 597 -=== 2. 5.2 Unix TimeStamp ===511 +=== 2.6.2 Unix TimeStamp === 598 598 599 599 600 600 LDS12-LB uses Unix TimeStamp format based on ... ... @@ -611,7 +611,7 @@ 611 611 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 612 612 613 613 614 -=== 2. 5.3 Set Device Time ===528 +=== 2.6.3 Set Device Time === 615 615 616 616 617 617 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. ... ... @@ -621,7 +621,7 @@ 621 621 (% 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.** 622 622 623 623 624 -=== 2. 5.4 Poll sensor value ===538 +=== 2.6.4 Poll sensor value === 625 625 626 626 627 627 Users can poll sensor values based on timestamps. Below is the downlink command. ... ... @@ -648,7 +648,7 @@ 648 648 ))) 649 649 650 650 651 -== 2. 6Frequency Plans ==565 +== 2.7 Frequency Plans == 652 652 653 653 654 654 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. ... ... @@ -656,9 +656,9 @@ 656 656 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 657 657 658 658 659 -== 2. 7LiDAR ToF Measurement ==573 +== 2.8 LiDAR ToF Measurement == 660 660 661 -=== 2. 7.1 Principle of Distance Measurement ===575 +=== 2.8.1 Principle of Distance Measurement === 662 662 663 663 664 664 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. ... ... @@ -666,7 +666,7 @@ 666 666 [[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"]] 667 667 668 668 669 -=== 2. 7.2 Distance Measurement Characteristics ===583 +=== 2.8.2 Distance Measurement Characteristics === 670 670 671 671 672 672 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: ... ... @@ -704,7 +704,7 @@ 704 704 ))) 705 705 706 706 707 -=== 2. 7.3 Notice of usage ===621 +=== 2.8.3 Notice of usage === 708 708 709 709 710 710 Possible invalid /wrong reading for LiDAR ToF tech: ... ... @@ -714,9 +714,11 @@ 714 714 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 715 715 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window. 716 716 717 -=== 2.7.4 Reflectivity of different objects === 718 718 719 719 633 +=== 2.8.4 Reflectivity of different objects === 634 + 635 + 720 720 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %) 721 721 |=(% 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 722 722 |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4% ... ... @@ -740,6 +740,8 @@ 740 740 |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200% 741 741 |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300% 742 742 659 + 660 + 743 743 = 3. Configure LDS12-LB = 744 744 745 745 == 3.1 Configure Methods == ... ... @@ -753,6 +753,8 @@ 753 753 754 754 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 755 755 674 + 675 + 756 756 == 3.2 General Commands == 757 757 758 758 ... ... @@ -821,9 +821,9 @@ 821 821 === 3.3.2 Set Interrupt Mode === 822 822 823 823 824 -Feature, Set Interrupt mode for pinofGPIO_EXTI.744 +Feature, Set Interrupt mode for PA8 of pin. 825 825 826 -When AT+INTMOD=0 is set, GPIO_EXTIis used as a digital input port.746 +When AT+INTMOD=0 is set, PA8 is used as a digital input port. 827 827 828 828 (% style="color:blue" %)**AT Command: AT+INTMOD** 829 829 ... ... @@ -834,11 +834,7 @@ 834 834 OK 835 835 the mode is 0 =Disable Interrupt 836 836 ))) 837 -|(% style="width:154px" %)((( 838 -AT+INTMOD=2 839 - 840 -(default) 841 -)))|(% style="width:196px" %)((( 757 +|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)((( 842 842 Set Transmit Interval 843 843 0. (Disable Interrupt), 844 844 ~1. (Trigger by rising and falling edge) ... ... @@ -856,9 +856,11 @@ 856 856 857 857 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 858 858 775 + 776 + 859 859 === 3.3.3 Set Power Output Duration === 860 860 861 -Control the output duration 3V3 (pinof VBAT_OUT). Before each sampling, device will779 +Control the output duration 3V3 . Before each sampling, device will 862 862 863 863 ~1. first enable the power output to external sensor, 864 864 ... ... @@ -874,7 +874,6 @@ 874 874 OK 875 875 |(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK 876 876 |(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK 877 -|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK 878 878 879 879 (% style="color:blue" %)**Downlink Command: 0x07**(%%) 880 880 Format: Command Code (0x07) followed by 3 bytes. ... ... @@ -883,8 +883,9 @@ 883 883 884 884 * Example 1: Downlink Payload: 07 01 00 00 **~-~-->** AT+3V3T=0 885 885 * Example 2: Downlink Payload: 07 01 01 F4 **~-~-->** AT+3V3T=500 886 -* Example 3: Downlink Payload: 07 01 FF FF **~-~-->** AT+3V3T=65535 887 887 804 + 805 + 888 888 = 4. Battery & Power Consumption = 889 889 890 890 ... ... @@ -913,6 +913,8 @@ 913 913 914 914 * 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]]**. 915 915 834 + 835 + 916 916 = 6. FAQ = 917 917 918 918 == 6.1 What is the frequency plan for LDS12-LB? == ... ... @@ -973,6 +973,8 @@ 973 973 974 974 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 975 975 896 + 897 + 976 976 = 9. Packing Info = 977 977 978 978 ... ... @@ -990,6 +990,8 @@ 990 990 991 991 * Weight / pcs : g 992 992 915 + 916 + 993 993 = 10. Support = 994 994 995 995
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