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 < 147.3 >
edited by Xiaoling
on 2022/06/10 17:36
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -57,6 +57,7 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 +
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"]]
75 +**(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"]]
79 +[[image:1654852253176-749.png]]
79 79  
80 -(% style="display:none" %) (%%)
81 81  
82 +**(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  
84 +
85 +[[image:1654852175653-550.png]](% style="display:none" %) ** **
86 +
87 +
88 +
83 83  == 1.5 ​ Applications ==
84 84  
85 85  * Horizontal distance measurement
... ... @@ -92,6 +92,7 @@
92 92  * Sewer
93 93  * Bottom water level monitoring
94 94  
101 +
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  
108 +
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  
122 +
114 114  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
115 115  
116 116  (((
... ... @@ -231,7 +231,6 @@
231 231  * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
232 232  
233 233  
234 -
235 235  === 2.3.3  Interrupt Pin ===
236 236  
237 237  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
... ... @@ -243,6 +243,7 @@
243 243  0x01: Interrupt Uplink Packet.
244 244  
245 245  
254 +
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.
337 +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  
341 +
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 -)))
405 +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 -)))
407 +(% style="color:blue" %)**Uplink:**
401 401  
402 -(((
403 -After Join success, the end node will switch to the correct sub band by:
404 -)))
409 +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)
411 +904.1 - SF7BW125 to SF10BW125
408 408  
413 +904.3 - SF7BW125 to SF10BW125
414 +
415 +904.5 - SF7BW125 to SF10BW125
416 +
417 +904.7 - SF7BW125 to SF10BW125
418 +
419 +904.9 - SF7BW125 to SF10BW125
420 +
421 +905.1 - SF7BW125 to SF10BW125
422 +
423 +905.3 - SF7BW125 to SF10BW125
424 +
425 +
426 +(% style="color:blue" %)**Downlink:**
427 +
428 +923.3 - SF7BW500 to SF12BW500
429 +
430 +923.9 - SF7BW500 to SF12BW500
431 +
432 +924.5 - SF7BW500 to SF12BW500
433 +
434 +925.1 - SF7BW500 to SF12BW500
435 +
436 +925.7 - SF7BW500 to SF12BW500
437 +
438 +926.3 - SF7BW500 to SF12BW500
439 +
440 +926.9 - SF7BW500 to SF12BW500
441 +
442 +927.5 - SF7BW500 to SF12BW500
443 +
444 +923.3 - SF12BW500(RX2 downlink only)
445 +
446 +
447 +
448 +)))
449 +
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 -)))
541 +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 -)))
543 +(% style="color:blue" %)**Uplink:**
507 507  
508 -(((
509 -
510 -)))
545 +916.8 - SF7BW125 to SF12BW125
511 511  
512 -(((
513 -After Join success, the end node will switch to the correct sub band by:
514 -)))
547 +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)
549 +917.2 - SF7BW125 to SF12BW125
518 518  
551 +917.4 - SF7BW125 to SF12BW125
552 +
553 +917.6 - SF7BW125 to SF12BW125
554 +
555 +917.8 - SF7BW125 to SF12BW125
556 +
557 +918.0 - SF7BW125 to SF12BW125
558 +
559 +918.2 - SF7BW125 to SF12BW125
560 +
561 +
562 +(% style="color:blue" %)**Downlink:**
563 +
564 +923.3 - SF7BW500 to SF12BW500
565 +
566 +923.9 - SF7BW500 to SF12BW500
567 +
568 +924.5 - SF7BW500 to SF12BW500
569 +
570 +925.1 - SF7BW500 to SF12BW500
571 +
572 +925.7 - SF7BW500 to SF12BW500
573 +
574 +926.3 - SF7BW500 to SF12BW500
575 +
576 +926.9 - SF7BW500 to SF12BW500
577 +
578 +927.5 - SF7BW500 to SF12BW500
579 +
580 +923.3 - SF12BW500(RX2 downlink only)
581 +
582 +
583 +
584 +)))
585 +
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 +734,21 @@
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.
804 +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.
806 +
807 +* Blink once when device power on.
808 +* The device detects the sensor and flashes 5 times.
809 +* Solid ON for 5 seconds once device successful Join the network.
743 743  * Blink once when device transmit a packet.
744 744  
812 +
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/]]
816 +**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]]
... ... @@ -752,71 +752,58 @@
752 752  
753 753  
754 754  
755 -= 3.  LiDAR ToF Measurement =
823 +== 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.
826 +[[image:image-20220610172003-1.png]]
760 760  
761 -[[image:1654831757579-263.png]]
828 +[[image:image-20220610172003-2.png]]
762 762  
763 763  
831 +== 2.10  Battery Analysis ==
764 764  
765 -== 3.2 Distance Measurement Characteristics ==
833 +=== 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:
835 +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  
838 +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.
840 +* (((
841 +[[ 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.
843 +* (((
844 +[[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.
846 +* (((
847 +[[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  
850 + [[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]]
854 +=== 2.10.2  Replace the battery ===
791 791  
856 +(((
857 +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.
858 +)))
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.
861 +
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.
865 +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: ==
870 += 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 -Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
874 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
820 820  )))
821 821  )))
822 822  
... ... @@ -837,7 +837,7 @@
837 837  )))
838 838  
839 839  (((
840 -There are two kinds of commands to configure LLDS12, they are:
895 +There are two kinds of commands to configure LDDS75, they are:
841 841  )))
842 842  )))
843 843  
... ... @@ -878,75 +878,68 @@
878 878  
879 879  * (((
880 880  (((
881 -(% style="color:#4f81bd" %)** Commands special design for LLDS12**
936 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
882 882  )))
883 883  )))
884 884  
885 885  (((
886 886  (((
887 -These commands only valid for LLDS12, as below:
942 +These commands only valid for LDDS75, as below:
888 888  )))
889 889  )))
890 890  
891 891  
892 892  
893 -== 4.1  Set Transmit Interval Time ==
948 +== 3.1  Access AT Commands ==
894 894  
895 -Feature: Change LoRaWAN End Node Transmit Interval.
950 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
896 896  
897 -(% style="color:#037691" %)**AT Command: AT+TDC**
952 +[[image:image-20220610172924-4.png||height="483" width="988"]]
898 898  
899 -[[image:image-20220607171554-8.png]]
900 900  
955 +Or if you have below board, use below connection:
901 901  
902 -(((
903 -(% style="color:#037691" %)**Downlink Command: 0x01**
904 -)))
905 905  
906 -(((
907 -Format: Command Code (0x01) followed by 3 bytes time value.
908 -)))
958 +[[image:image-20220610172924-5.png]]
909 909  
910 -(((
911 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
912 -)))
913 913  
914 -* (((
915 -Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
916 -)))
917 -* (((
918 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
919 -)))
961 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
920 920  
921 -== 4.2  Set Interrupt Mode ==
922 922  
923 -Feature, Set Interrupt mode for GPIO_EXIT.
964 + [[image:image-20220610172924-6.png||height="601" width="860"]]
924 924  
925 -(% style="color:#037691" %)**AT Command: AT+INTMOD**
926 926  
927 -[[image:image-20220610105806-2.png]]
928 928  
968 +== 3.2  Set Transmit Interval Time ==
929 929  
930 -(((
931 -(% style="color:#037691" %)**Downlink Command: 0x06**
932 -)))
970 +Feature: Change LoRaWAN End Node Transmit Interval.
933 933  
972 +(% style="color:#037691" %)**AT Command: AT+TDC**
973 +
974 +[[image:image-20220610173409-7.png]]
975 +
976 +
977 +
978 +
934 934  (((
935 -Format: Command Code (0x06) followed by 3 bytes.
980 +(% style="color:#037691" %)**Downlink Command: 0x01**
936 936  )))
937 937  
938 938  (((
939 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
984 +(((
985 +Format: Command Code (0x01) followed by 3 bytes time value.
986 +
987 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
988 +
989 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
990 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
940 940  )))
941 941  
942 -* (((
943 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
993 +
994 +
944 944  )))
945 -* (((
946 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
947 -)))
948 948  
949 -== 4.3  Get Firmware Version Info ==
997 +== 3.3  Get Firmware Version Info ==
950 950  
951 951  Feature: use downlink to get firmware version.
952 952  
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