Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 137.2 >
edited by Xiaoling
on 2022/06/10 16:52
To version < 146.1 >
edited by Xiaoling
on 2022/06/10 17:29
>
Change comment: Uploaded new attachment "image-20220610172924-6.png", version {1}

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... ... @@ -57,6 +57,8 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 +
61 +
60 60  == 1.3  Specification ==
61 61  
62 62  === 1.3.1  Rated environmental conditions ===
... ... @@ -71,15 +71,20 @@
71 71  
72 72  === 1.3.2  Effective measurement range Reference beam pattern ===
73 73  
74 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
76 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
75 75  
76 76  
77 77  
78 -**(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.[[image:image-20220610155021-3.png||height="437" width="1192"]]
80 +[[image:1654852253176-749.png]]
79 79  
80 -(% style="display:none" %) (%%)
81 81  
83 +**(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.**
82 82  
85 +
86 +[[image:1654852175653-550.png]](% style="display:none" %) ** **
87 +
88 +
89 +
83 83  == 1.5 ​ Applications ==
84 84  
85 85  * Horizontal distance measurement
... ... @@ -92,6 +92,8 @@
92 92  * Sewer
93 93  * Bottom water level monitoring
94 94  
102 +
103 +
95 95  == 1.6  Pin mapping and power on ==
96 96  
97 97  
... ... @@ -98,6 +98,7 @@
98 98  [[image:1654847583902-256.png]]
99 99  
100 100  
110 +
101 101  = 2.  Configure LDDS75 to connect to LoRaWAN network =
102 102  
103 103  == 2.1  How it works ==
... ... @@ -111,6 +111,7 @@
111 111  )))
112 112  
113 113  
124 +
114 114  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
115 115  
116 116  (((
... ... @@ -243,6 +243,7 @@
243 243  0x01: Interrupt Uplink Packet.
244 244  
245 245  
257 +
246 246  === 2.3.4  DS18B20 Temperature sensor ===
247 247  
248 248  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -325,10 +325,11 @@
325 325  == 2.6  Frequency Plans ==
326 326  
327 327  (((
328 -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.
340 +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.
329 329  )))
330 330  
331 331  
344 +
332 332  === 2.6.1  EU863-870 (EU868) ===
333 333  
334 334  (((
... ... @@ -392,20 +392,51 @@
392 392  === 2.6.2  US902-928(US915) ===
393 393  
394 394  (((
395 -Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
396 -)))
408 +Used in USA, Canada and South America. Default use CHE=2
397 397  
398 -(((
399 -To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
400 -)))
410 +(% style="color:blue" %)**Uplink:**
401 401  
402 -(((
403 -After Join success, the end node will switch to the correct sub band by:
404 -)))
412 +903.9 - SF7BW125 to SF10BW125
405 405  
406 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
407 -* 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)
414 +904.1 - SF7BW125 to SF10BW125
408 408  
416 +904.3 - SF7BW125 to SF10BW125
417 +
418 +904.5 - SF7BW125 to SF10BW125
419 +
420 +904.7 - SF7BW125 to SF10BW125
421 +
422 +904.9 - SF7BW125 to SF10BW125
423 +
424 +905.1 - SF7BW125 to SF10BW125
425 +
426 +905.3 - SF7BW125 to SF10BW125
427 +
428 +
429 +(% style="color:blue" %)**Downlink:**
430 +
431 +923.3 - SF7BW500 to SF12BW500
432 +
433 +923.9 - SF7BW500 to SF12BW500
434 +
435 +924.5 - SF7BW500 to SF12BW500
436 +
437 +925.1 - SF7BW500 to SF12BW500
438 +
439 +925.7 - SF7BW500 to SF12BW500
440 +
441 +926.3 - SF7BW500 to SF12BW500
442 +
443 +926.9 - SF7BW500 to SF12BW500
444 +
445 +927.5 - SF7BW500 to SF12BW500
446 +
447 +923.3 - SF12BW500(RX2 downlink only)
448 +
449 +
450 +
451 +)))
452 +
409 409  === 2.6.3  CN470-510 (CN470) ===
410 410  
411 411  (((
... ... @@ -494,28 +494,54 @@
494 494  
495 495  
496 496  
497 -
498 498  === 2.6.4  AU915-928(AU915) ===
499 499  
500 500  (((
501 -Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
502 -)))
544 +Default use CHE=2
503 503  
504 -(((
505 -To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
506 -)))
546 +(% style="color:blue" %)**Uplink:**
507 507  
508 -(((
509 -
510 -)))
548 +916.8 - SF7BW125 to SF12BW125
511 511  
512 -(((
513 -After Join success, the end node will switch to the correct sub band by:
514 -)))
550 +917.0 - SF7BW125 to SF12BW125
515 515  
516 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
517 -* 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)
552 +917.2 - SF7BW125 to SF12BW125
518 518  
554 +917.4 - SF7BW125 to SF12BW125
555 +
556 +917.6 - SF7BW125 to SF12BW125
557 +
558 +917.8 - SF7BW125 to SF12BW125
559 +
560 +918.0 - SF7BW125 to SF12BW125
561 +
562 +918.2 - SF7BW125 to SF12BW125
563 +
564 +
565 +(% style="color:blue" %)**Downlink:**
566 +
567 +923.3 - SF7BW500 to SF12BW500
568 +
569 +923.9 - SF7BW500 to SF12BW500
570 +
571 +924.5 - SF7BW500 to SF12BW500
572 +
573 +925.1 - SF7BW500 to SF12BW500
574 +
575 +925.7 - SF7BW500 to SF12BW500
576 +
577 +926.3 - SF7BW500 to SF12BW500
578 +
579 +926.9 - SF7BW500 to SF12BW500
580 +
581 +927.5 - SF7BW500 to SF12BW500
582 +
583 +923.3 - SF12BW500(RX2 downlink only)
584 +
585 +
586 +
587 +)))
588 +
519 519  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
520 520  
521 521  (((
... ... @@ -624,7 +624,6 @@
624 624  
625 625  
626 626  
627 -
628 628  === 2.6.6  KR920-923 (KR920) ===
629 629  
630 630  (((
... ... @@ -697,7 +697,6 @@
697 697  
698 698  
699 699  
700 -
701 701  === 2.6.7  IN865-867 (IN865) ===
702 702  
703 703  (((
... ... @@ -734,18 +734,22 @@
734 734  
735 735  
736 736  
737 -
738 738  == 2.7  LED Indicator ==
739 739  
740 -The LLDS12 has an internal LED which is to show the status of different state.
807 +The LDDS75 has an internal LED which is to show the status of different state.
741 741  
742 -* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
809 +
810 +* Blink once when device power on.
811 +* The device detects the sensor and flashes 5 times.
812 +* Solid ON for 5 seconds once device successful Join the network.
743 743  * Blink once when device transmit a packet.
744 744  
815 +
816 +
745 745  == 2.8  ​Firmware Change Log ==
746 746  
747 747  
748 -**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/]]
820 +**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/]]
749 749  
750 750  
751 751  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
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752 752  
753 753  
754 754  
755 -= 3.  LiDAR ToF Measurement =
827 +== 2.9  Mechanical ==
756 756  
757 -== 3.1 Principle of Distance Measurement ==
758 758  
759 -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.
830 +[[image:image-20220610172003-1.png]]
760 760  
761 -[[image:1654831757579-263.png]]
832 +[[image:image-20220610172003-2.png]]
762 762  
763 763  
835 +== 2.10  Battery Analysis  ==
764 764  
765 -== 3.2 Distance Measurement Characteristics ==
837 +=== 2.10.1  Battery Type ===
766 766  
767 -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:
839 +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.
768 768  
769 -[[image:1654831774373-275.png]]
770 770  
842 +The battery related documents as below:
771 771  
772 -(((
773 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
844 +* (((
845 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
774 774  )))
775 -
776 -(((
777 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
847 +* (((
848 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
778 778  )))
779 -
780 -(((
781 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
850 +* (((
851 +[[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]]
782 782  )))
783 783  
854 + [[image:image-20220610172400-3.png]]
784 784  
785 -(((
786 -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:
787 -)))
788 788  
789 789  
790 -[[image:1654831797521-720.png]]
858 +=== 2.10.2  Replace the battery ===
791 791  
860 +(((
861 +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.
862 +)))
792 792  
793 793  (((
794 -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.
865 +
795 795  )))
796 796  
797 -[[image:1654831810009-716.png]]
798 -
799 -
800 800  (((
801 -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.
869 +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)
802 802  )))
803 803  
804 804  
805 805  
806 -== 3.3 Notice of usage: ==
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
807 807  
808 -Possible invalid /wrong reading for LiDAR ToF tech:
809 -
810 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
811 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
812 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
813 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
814 -
815 -= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
816 -
817 817  (((
818 818  (((
819 819  Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
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