Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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... ... @@ -485,14 +485,16 @@ 485 485 * Reply to the confirmation package: 14 01 486 486 * Reply to non-confirmed packet: 14 00 487 487 488 -== 2.8 Frequency Plans == 489 489 489 + 490 +== 2.6 Frequency Plans == 491 + 490 490 ((( 491 -The LS PH01 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.493 +The LLDS12 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. 492 492 ))) 493 493 494 494 495 -=== 2. 8.1 EU863-870 (EU868) ===497 +=== 2.6.1 EU863-870 (EU868) === 496 496 497 497 ((( 498 498 (% style="color:blue" %)**Uplink:** ... ... @@ -552,7 +552,7 @@ 552 552 553 553 554 554 555 -=== 2. 8.2 US902-928(US915) ===557 +=== 2.6.2 US902-928(US915) === 556 556 557 557 ((( 558 558 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document. ... ... @@ -569,8 +569,12 @@ 569 569 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 570 570 * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include) 571 571 572 -=== 2.8.3 CN470-510 (CN470) === 573 573 575 + 576 + 577 + 578 +=== 2.6.3 CN470-510 (CN470) === 579 + 574 574 ((( 575 575 Used in China, Default use CHE=1 576 576 ))) ... ... @@ -657,8 +657,9 @@ 657 657 658 658 659 659 660 -=== 2.8.4 AU915-928(AU915) === 661 661 667 +=== 2.6.4 AU915-928(AU915) === 668 + 662 662 ((( 663 663 Frequency band as per definition in LoRaWAN 1.0.3 Regional document. 664 664 ))) ... ... @@ -678,8 +678,11 @@ 678 678 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 679 679 * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include) 680 680 681 -=== 2.8.5 AS920-923 & AS923-925 (AS923) === 682 682 689 + 690 + 691 +=== 2.6.5 AS920-923 & AS923-925 (AS923) === 692 + 683 683 ((( 684 684 (% style="color:blue" %)**Default Uplink channel:** 685 685 ))) ... ... @@ -786,8 +786,9 @@ 786 786 787 787 788 788 789 -=== 2.8.6 KR920-923 (KR920) === 790 790 800 +=== 2.6.6 KR920-923 (KR920) === 801 + 791 791 ((( 792 792 (% style="color:blue" %)**Default channel:** 793 793 ))) ... ... @@ -858,8 +858,9 @@ 858 858 859 859 860 860 861 -=== 2.8.7 IN865-867 (IN865) === 862 862 873 +=== 2.6.7 IN865-867 (IN865) === 874 + 863 863 ((( 864 864 (% style="color:blue" %)**Uplink:** 865 865 ))) ... ... @@ -894,24 +894,25 @@ 894 894 895 895 896 896 897 -== 2.9 LED Indicator == 898 898 899 - TheLSPH01has an internalLEDwhich is to show the statusof differentstate.910 +== 2.7 LED Indicator == 900 900 912 +The LLDS12 has an internal LED which is to show the status of different state. 913 + 901 901 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected. 902 902 * Blink once when device transmit a packet. 903 903 904 -== 2.10 Firmware Change Log == 905 905 918 +== 2.8 Firmware Change Log == 906 906 907 -**Firmware download link:** 908 908 909 -[[http:~~/~~/www.dragino.com/downloads/index.p Hp?dir=LoRa_End_Node/LSPH01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]921 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]] 910 910 911 911 912 912 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]] 913 913 914 914 927 + 915 915 = 3. LiDAR ToF Measurement = 916 916 917 917 == 3.1 Principle of Distance Measurement == ... ... @@ -918,7 +918,7 @@ 918 918 919 919 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. 920 920 921 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]934 +[[image:1654831757579-263.png]] 922 922 923 923 924 924 ... ... @@ -926,7 +926,7 @@ 926 926 927 927 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: 928 928 929 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]942 +[[image:1654831774373-275.png]] 930 930 931 931 932 932 ①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. ... ... @@ -939,12 +939,12 @@ 939 939 Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows: 940 940 941 941 942 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]955 +[[image:1654831797521-720.png]] 943 943 944 944 945 945 In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below. 946 946 947 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]960 +[[image:1654831810009-716.png]] 948 948 949 949 950 950 If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error. ... ... @@ -960,8 +960,6 @@ 960 960 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 961 961 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 962 962 963 - 964 - 965 965 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 966 966 967 967 ((( ... ... @@ -1076,8 +1076,6 @@ 1076 1076 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1077 1077 ))) 1078 1078 1079 - 1080 - 1081 1081 == 4.3 Get Firmware Version Info == 1082 1082 1083 1083 Feature: use downlink to get firmware version. ... ... @@ -1089,7 +1089,6 @@ 1089 1089 * Reply to the confirmation package: 26 01 1090 1090 * Reply to non-confirmed packet: 26 00 1091 1091 1092 - 1093 1093 Device will send an uplink after got this downlink command. With below payload: 1094 1094 1095 1095 Configures info payload: ... ... @@ -1342,7 +1342,6 @@ 1342 1342 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1343 1343 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1344 1344 1345 - 1346 1346 = 10. Packing Info = 1347 1347 1348 1348 ... ... @@ -1357,7 +1357,6 @@ 1357 1357 * Package Size / pcs : cm 1358 1358 * Weight / pcs : g 1359 1359 1360 - 1361 1361 = 11. Support = 1362 1362 1363 1363 * 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.