Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2024/03/07 08:41
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 7 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -58,7 +58,6 @@ 58 58 * 4000mAh or 8500mAh Battery for long term use 59 59 60 60 61 - 62 62 == 1.3 Specification == 63 63 64 64 === 1.3.1 Rated environmental conditions === ... ... @@ -100,7 +100,6 @@ 100 100 * Bottom water level monitoring 101 101 102 102 103 - 104 104 == 1.6 Pin mapping and power on == 105 105 106 106 ... ... @@ -242,7 +242,6 @@ 242 242 * 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. 243 243 244 244 245 - 246 246 === 2.3.3 Interrupt Pin === 247 247 248 248 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. ... ... @@ -766,7 +766,6 @@ 766 766 767 767 768 768 769 - 770 770 === 2.6.7 IN865-867 (IN865) === 771 771 772 772 ((( ... ... @@ -803,18 +803,21 @@ 803 803 804 804 805 805 806 - 807 807 == 2.7 LED Indicator == 808 808 809 -The L LDS12has 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. 810 810 811 -* 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. 812 812 * Blink once when device transmit a packet. 813 813 812 + 814 814 == 2.8 Firmware Change Log == 815 815 816 816 817 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/L LDS12/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/]] 818 818 819 819 820 820 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] ... ... @@ -821,71 +821,58 @@ 821 821 822 822 823 823 824 -= 3.LiDAR ToFMeasurement=823 +== 2.9 Mechanical == 825 825 826 -== 3.1 Principle of Distance Measurement == 827 827 828 - 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 contactingobject.Theproduct 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]] 829 829 830 -[[image: 1654831757579-263.png]]828 +[[image:image-20220610172003-2.png]] 831 831 832 832 831 +== 2.10 Battery Analysis == 833 833 834 -== 3.2Distance MeasurementCharacteristics==833 +=== 2.10.1 Battery Type === 835 835 836 - Withoptimization oflight pathand algorithm,TheLiDARprobehas minimizedinfluence fromexternalenvironmentondistancemeasurementperformance.Despite that,the rangeofdistancemeasurementmaystillbeaffectedbytheenvironment illuminationintensityandthe reflectivityofdetection object. As showninbelow: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. 837 837 838 -[[image:1654831774373-275.png]] 839 839 838 +The battery related documents as below: 840 840 841 -((( 842 - (%style="color:blue"%)**① **(%%)Representsthe detectionblind zone of The LiDARprobe, 0-10cm,withinwhichtheoutput data is unreliable.840 +* ((( 841 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 843 843 ))) 844 - 845 -((( 846 -(% 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]], 847 847 ))) 848 - 849 -((( 850 -(% 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]] 851 851 ))) 852 852 850 + [[image:image-20220610172400-3.png]] 853 853 854 -((( 855 -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: 856 -))) 857 857 858 858 859 - [[image:1654831797521-720.png]]854 +=== 2.10.2 Replace the battery === 860 860 856 +((( 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 +))) 861 861 862 862 ((( 863 - Inthe 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 + 864 864 ))) 865 865 866 -[[image:1654831810009-716.png]] 867 - 868 - 869 869 ((( 870 - If the lightspotreachestwoobjectswithdifferent distances,asshown inFigure3, theoutput distancevaluewillbeavaluebetween theactual distancevaluesofthe twoobjects.Forahighaccuracy requirementinpractice,theabove situation should benoticedtoavoid themeasurementrror.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) 871 871 ))) 872 872 873 873 874 874 875 -= =3.3Notice ofusage:==870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 876 876 877 -Possible invalid /wrong reading for LiDAR ToF tech: 878 - 879 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings. 880 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong. 881 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 882 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 883 - 884 -= 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 885 - 886 886 ((( 887 887 ((( 888 -Use can configure L LDS12via AT Command or LoRaWAN Downlink.874 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink. 889 889 ))) 890 890 ))) 891 891 ... ... @@ -906,7 +906,7 @@ 906 906 ))) 907 907 908 908 ((( 909 -There are two kinds of commands to configure L LDS12, they are:895 +There are two kinds of commands to configure LDDS75, they are: 910 910 ))) 911 911 ))) 912 912 ... ... @@ -947,156 +947,88 @@ 947 947 948 948 * ((( 949 949 ((( 950 -(% style="color:#4f81bd" %)** Commands special design for L LDS12**936 +(% style="color:#4f81bd" %)** Commands special design for LDDS75** 951 951 ))) 952 952 ))) 953 953 954 954 ((( 955 955 ((( 956 -These commands only valid for L LDS12, as below:942 +These commands only valid for LDDS75, as below: 957 957 ))) 958 958 ))) 959 959 960 960 961 961 962 -== 4.1SetTransmitInterval Time==948 +== 3.1 Access AT Commands == 963 963 964 - Feature:ChangeLoRaWANEndNode TransmitInterval.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. 965 965 966 - (% style="color:#037691"%)**AT Command: AT+TDC**952 +[[image:image-20220610172924-4.png||height="483" width="988"]] 967 967 968 -[[image:image-20220607171554-8.png]] 969 969 955 +Or if you have below board, use below connection: 970 970 971 -((( 972 -(% style="color:#037691" %)**Downlink Command: 0x01** 973 -))) 974 974 975 -((( 976 -Format: Command Code (0x01) followed by 3 bytes time value. 977 -))) 958 +[[image:image-20220610172924-5.png]] 978 978 979 -((( 980 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 981 -))) 982 982 983 -* ((( 984 -Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 985 -))) 986 -* ((( 987 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 988 -))) 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: 989 989 990 -== 4.2 Set Interrupt Mode == 991 991 992 - Feature, Set Interruptmode for GPIO_EXIT.964 + [[image:image-20220610172924-6.png||height="601" width="860"]] 993 993 994 -(% style="color:#037691" %)**AT Command: AT+INTMOD** 995 995 996 -[[image:image-20220610105806-2.png]] 997 997 968 +== 3.2 Set Transmit Interval Time == 998 998 999 -((( 1000 -(% style="color:#037691" %)**Downlink Command: 0x06** 1001 -))) 970 +Feature: Change LoRaWAN End Node Transmit Interval. 1002 1002 1003 -((( 1004 -Format: Command Code (0x06) followed by 3 bytes. 1005 -))) 972 +(% style="color:#037691" %)**AT Command: AT+TDC** 1006 1006 1007 -((( 1008 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1009 -))) 974 +[[image:image-20220610173409-7.png]] 1010 1010 1011 -* ((( 1012 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1013 -))) 1014 -* ((( 1015 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1016 -))) 1017 1017 1018 -== 4.3 Get Firmware Version Info == 1019 1019 1020 -Feature: use downlink to get firmware version. 1021 1021 1022 -(% style="color:#037691" %)**Downlink Command: 0x26** 979 +((( 980 +(% style="color:#037691" %)**Downlink Command: 0x01** 981 +))) 1023 1023 1024 -[[image:image-20220607171917-10.png]] 983 +((( 984 +((( 985 +Format: Command Code (0x01) followed by 3 bytes time value. 1025 1025 1026 -* Reply to the confirmation package: 26 01 1027 -* Reply to non-confirmed packet: 26 00 987 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1028 1028 1029 -Device will send an uplink after got this downlink command. With below payload: 989 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 990 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 991 +))) 1030 1030 1031 -Configures info payload: 1032 1032 1033 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1034 -|=((( 1035 -**Size(bytes)** 1036 -)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1037 -|**Value**|Software Type|((( 1038 -Frequency 1039 - 1040 -Band 1041 -)))|Sub-band|((( 1042 -Firmware 1043 - 1044 -Version 1045 -)))|Sensor Type|Reserve|((( 1046 -[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1047 -Always 0x02 994 + 1048 1048 ))) 1049 1049 1050 - **SoftwareType**:Always 0x03 forLLDS12997 +== 3.3 Set Interrupt Mode == 1051 1051 999 +Feature, Set Interrupt mode for GPIO_EXIT. 1052 1052 1053 -**Frequency Band**: 1054 1054 1055 - *0x01:EU8681002 +(% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1056 1056 1057 - *0x02: US9151004 +[[image:image-20220610105907-1.png]] 1058 1058 1059 -*0x03: IN865 1060 1060 1061 -*0x0 4: AU9151007 +**Downlink Command: 0x06** 1062 1062 1063 - *0x05: KZ8651009 +Format: Command Code (0x06) followed by 3 bytes. 1064 1064 1065 - *0x06:RU8641011 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1066 1066 1067 -*0x07: AS923 1013 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1014 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1068 1068 1069 -*0x08: AS923-1 1070 1070 1071 -*0x09: AS923-2 1072 1072 1073 -*0xa0: AS923-3 1074 - 1075 - 1076 -**Sub-Band**: value 0x00 ~~ 0x08 1077 - 1078 - 1079 -**Firmware Version**: 0x0100, Means: v1.0.0 version 1080 - 1081 - 1082 -**Sensor Type**: 1083 - 1084 -0x01: LSE01 1085 - 1086 -0x02: LDDS75 1087 - 1088 -0x03: LDDS20 1089 - 1090 -0x04: LLMS01 1091 - 1092 -0x05: LSPH01 1093 - 1094 -0x06: LSNPK01 1095 - 1096 -0x07: LLDS12 1097 - 1098 - 1099 - 1100 1100 = 5. Battery & How to replace = 1101 1101 1102 1102 == 5.1 Battery Type ==
- image-20220610172003-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +5.9 KB - Content
- image-20220610172003-2.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +18.6 KB - Content
- image-20220610172400-3.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +370.3 KB - Content
- image-20220610172924-4.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +1.5 MB - Content
- image-20220610172924-5.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +901.4 KB - Content
- image-20220610172924-6.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +68.6 KB - Content
- image-20220610173409-7.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +11.8 KB - Content