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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... ... @@ -57,8 +57,6 @@ 57 57 * IP66 Waterproof Enclosure 58 58 * 4000mAh or 8500mAh Battery for long term use 59 59 60 - 61 - 62 62 == 1.3 Specification == 63 63 64 64 === 1.3.1 Rated environmental conditions === ... ... @@ -99,8 +99,6 @@ 99 99 * Sewer 100 100 * Bottom water level monitoring 101 101 102 - 103 - 104 104 == 1.6 Pin mapping and power on == 105 105 106 106 ... ... @@ -241,8 +241,6 @@ 241 241 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 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 - 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. ... ... @@ -812,8 +812,6 @@ 812 812 * Solid ON for 5 seconds once device successful Join the network. 813 813 * Blink once when device transmit a packet. 814 814 815 - 816 - 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -832,7 +832,7 @@ 832 832 [[image:image-20220610172003-2.png]] 833 833 834 834 835 -== 2.10 Battery Analysis 827 +== 2.10 Battery Analysis == 836 836 837 837 === 2.10.1 Battery Type === 838 838 ... ... @@ -854,73 +854,30 @@ 854 854 [[image:image-20220610172400-3.png]] 855 855 856 856 857 -= 3. LiDAR ToF Measurement = 858 858 859 -== 3.1Principle of DistanceMeasurement ==850 +=== 2.10.2 Replace the battery === 860 860 861 -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. 862 - 863 -[[image:1654831757579-263.png]] 864 - 865 - 866 - 867 -== 3.2 Distance Measurement Characteristics == 868 - 869 -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: 870 - 871 -[[image:1654831774373-275.png]] 872 - 873 - 874 874 ((( 875 - (%style="color:blue"%)**①**(%%)Represents thedetectionblindzone ofTheLiDARprobe,0-10cm,withinwhich the outputdata isunreliable.853 +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. 876 876 ))) 877 877 878 878 ((( 879 - (%style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.857 + 880 880 ))) 881 881 882 882 ((( 883 - (%style="color:blue"%)**③**(%%)Representstheoperatingrangeof TheLiDARprobedetectingwhitetargetwith90%reflectivity,0.1-12m.861 +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) 884 884 ))) 885 885 886 886 887 -((( 888 -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: 889 -))) 890 890 866 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 891 891 892 -[[image:1654831797521-720.png]] 893 - 894 - 895 895 ((( 896 -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. 897 -))) 898 - 899 -[[image:1654831810009-716.png]] 900 - 901 - 902 902 ((( 903 - If the lightspot reachestwo objects with different distances,as shownn Figure3,the output distancevalue will beavaluebetween theactual distancevaluesof the two objects. Fora high accuracy requirement in practice, the above situationshould benoticed to avoid the measurement error.870 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink. 904 904 ))) 905 - 906 - 907 - 908 -== 3.3 Notice of usage: == 909 - 910 -Possible invalid /wrong reading for LiDAR ToF tech: 911 - 912 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings. 913 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong. 914 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 915 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 916 - 917 -= 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 918 - 919 -((( 920 -((( 921 -Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 922 922 ))) 923 -))) 924 924 925 925 * ((( 926 926 ((( ... ... @@ -939,7 +939,7 @@ 939 939 ))) 940 940 941 941 ((( 942 -There are two kinds of commands to configure L LDS12, they are:891 +There are two kinds of commands to configure LDDS75, they are: 943 943 ))) 944 944 ))) 945 945 ... ... @@ -980,252 +980,87 @@ 980 980 981 981 * ((( 982 982 ((( 983 -(% style="color:#4f81bd" %)** Commands special design for L LDS12**932 +(% style="color:#4f81bd" %)** Commands special design for LDDS75** 984 984 ))) 985 985 ))) 986 986 987 987 ((( 988 988 ((( 989 -These commands only valid for L LDS12, as below:938 +These commands only valid for LDDS75, as below: 990 990 ))) 991 991 ))) 992 992 993 993 994 994 995 -== 4.1SetTransmitInterval Time==944 +== 3.1 Access AT Commands == 996 996 997 - Feature:ChangeLoRaWANEndNode TransmitInterval.946 +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. 998 998 999 - (% style="color:#037691"%)**AT Command: AT+TDC**948 +[[image:image-20220610172924-4.png||height="483" width="988"]] 1000 1000 1001 -[[image:image-20220607171554-8.png]] 1002 1002 951 +Or if you have below board, use below connection: 1003 1003 1004 -((( 1005 -(% style="color:#037691" %)**Downlink Command: 0x01** 1006 -))) 1007 1007 1008 -((( 1009 -Format: Command Code (0x01) followed by 3 bytes time value. 1010 -))) 954 +[[image:image-20220610172924-5.png]] 1011 1011 1012 -((( 1013 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1014 -))) 1015 1015 1016 -* ((( 1017 -Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1018 -))) 1019 -* ((( 1020 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1021 -))) 957 +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: 1022 1022 1023 -== 4.2 Set Interrupt Mode == 1024 1024 1025 - Feature, Set Interruptmode for GPIO_EXIT.960 + [[image:image-20220610172924-6.png||height="601" width="860"]] 1026 1026 1027 -(% style="color:#037691" %)**AT Command: AT+INTMOD** 1028 1028 1029 -[[image:image-20220610105806-2.png]] 1030 1030 964 +== 3.2 Set Transmit Interval Time == 1031 1031 1032 -((( 1033 -(% style="color:#037691" %)**Downlink Command: 0x06** 1034 -))) 966 +Feature: Change LoRaWAN End Node Transmit Interval. 1035 1035 1036 -((( 1037 -Format: Command Code (0x06) followed by 3 bytes. 1038 -))) 968 +(% style="color:#037691" %)**AT Command: AT+TDC** 1039 1039 1040 -((( 1041 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1042 -))) 970 +[[image:image-20220610173409-7.png]] 1043 1043 1044 -* ((( 1045 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1046 -))) 1047 -* ((( 1048 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1049 -))) 1050 1050 1051 -== 4.3 Get Firmware Version Info == 1052 - 1053 -Feature: use downlink to get firmware version. 1054 - 1055 -(% style="color:#037691" %)**Downlink Command: 0x26** 1056 - 1057 -[[image:image-20220607171917-10.png]] 1058 - 1059 -* Reply to the confirmation package: 26 01 1060 -* Reply to non-confirmed packet: 26 00 1061 - 1062 -Device will send an uplink after got this downlink command. With below payload: 1063 - 1064 -Configures info payload: 1065 - 1066 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 1067 -|=((( 1068 -**Size(bytes)** 1069 -)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1** 1070 -|**Value**|Software Type|((( 1071 -Frequency 1072 - 1073 -Band 1074 -)))|Sub-band|((( 1075 -Firmware 1076 - 1077 -Version 1078 -)))|Sensor Type|Reserve|((( 1079 -[[Message Type>>||anchor="H2.3.7A0MessageType"]] 1080 -Always 0x02 1081 -))) 1082 - 1083 -**Software Type**: Always 0x03 for LLDS12 1084 - 1085 - 1086 -**Frequency Band**: 1087 - 1088 -*0x01: EU868 1089 - 1090 -*0x02: US915 1091 - 1092 -*0x03: IN865 1093 - 1094 -*0x04: AU915 1095 - 1096 -*0x05: KZ865 1097 - 1098 -*0x06: RU864 1099 - 1100 -*0x07: AS923 1101 - 1102 -*0x08: AS923-1 1103 - 1104 -*0x09: AS923-2 1105 - 1106 -*0xa0: AS923-3 1107 - 1108 - 1109 -**Sub-Band**: value 0x00 ~~ 0x08 1110 - 1111 - 1112 -**Firmware Version**: 0x0100, Means: v1.0.0 version 1113 - 1114 - 1115 -**Sensor Type**: 1116 - 1117 -0x01: LSE01 1118 - 1119 -0x02: LDDS75 1120 - 1121 -0x03: LDDS20 1122 - 1123 -0x04: LLMS01 1124 - 1125 -0x05: LSPH01 1126 - 1127 -0x06: LSNPK01 1128 - 1129 -0x07: LLDS12 1130 - 1131 - 1132 - 1133 -= 5. Battery & How to replace = 1134 - 1135 -== 5.1 Battery Type == 1136 - 1137 1137 ((( 1138 - LLDS12isequipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]].The battery is un-rechargeable battery with low discharge rate targetingfor 8~~10 years use. This type of battery is commonly usedin IoT target for long-term running, such as water meter.974 +(% style="color:#037691" %)**Downlink Command: 0x01** 1139 1139 ))) 1140 1140 1141 1141 ((( 1142 -The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1143 -))) 1144 - 1145 -[[image:1654593587246-335.png]] 1146 - 1147 - 1148 -Minimum Working Voltage for the LLDS12: 1149 - 1150 -LLDS12: 2.45v ~~ 3.6v 1151 - 1152 - 1153 - 1154 -== 5.2 Replace Battery == 1155 - 1156 1156 ((( 1157 -Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1158 -))) 979 +Format: Command Code (0x01) followed by 3 bytes time value. 1159 1159 1160 -((( 1161 -And make sure the positive and negative pins match. 1162 -))) 981 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01. 1163 1163 1164 - 1165 - 1166 -== 5.3 Power Consumption Analyze == 1167 - 1168 -((( 1169 -Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 983 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 984 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1170 1170 ))) 1171 1171 1172 -((( 1173 -Instruction to use as below: 1174 -))) 1175 1175 1176 - 1177 -**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1178 - 1179 -[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]] 1180 - 1181 - 1182 -**Step 2**: Open it and choose 1183 - 1184 -* Product Model 1185 -* Uplink Interval 1186 -* Working Mode 1187 - 1188 -And the Life expectation in difference case will be shown on the right. 1189 - 1190 -[[image:1654593605679-189.png]] 1191 - 1192 - 1193 -The battery related documents as below: 1194 - 1195 -* ((( 1196 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 988 + 1197 1197 ))) 1198 -* ((( 1199 -[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1200 -))) 1201 -* ((( 1202 -[[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]] 1203 -))) 1204 1204 1205 - [[image:image-20220607172042-11.png]]991 +== 3.3 Set Interrupt Mode == 1206 1206 993 +Feature, Set Interrupt mode for GPIO_EXIT. 1207 1207 995 +(% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1208 1208 1209 - === 5.3.1 Battery Note===997 +[[image:image-20220610105907-1.png]] 1210 1210 1211 -((( 1212 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 1213 -))) 1214 1214 1000 +(% style="color:#037691" %)**Downlink Command: 0x06** 1215 1215 1002 +Format: Command Code (0x06) followed by 3 bytes. 1216 1216 1217 - ===5.3.2Replace thebattery===1004 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1218 1218 1219 -((( 1220 -You can change the battery in the LLDS12.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. 1221 -))) 1006 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1007 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1222 1222 1223 -((( 1224 -The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 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) 1225 -))) 1226 1226 1227 1227 1228 1228 1012 + 1229 1229 = 6. Use AT Command = 1230 1230 1231 1231 == 6.1 Access AT Commands == ... ... @@ -1302,7 +1302,7 @@ 1302 1302 1303 1303 1304 1304 1305 -= 9. Order Info =1089 += 6. Order Info = 1306 1306 1307 1307 1308 1308 Part Number: (% style="color:blue" %)**LLDS12-XX** ... ... @@ -1319,12 +1319,19 @@ 1319 1319 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1320 1320 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1321 1321 1322 - =10. PackingInfo=1106 +**YY**: Battery Option 1323 1323 1108 +* **4**: 4000mAh battery 1109 +* **8**: 8500mAh battery 1324 1324 1111 + 1112 + 1113 += 7. Packing Info = 1114 + 1115 + 1325 1325 **Package Includes**: 1326 1326 1327 -* L LDS12LoRaWANLiDAR Distance Sensor x 11118 +* LDDS75 LoRaWAN Distance Detection Sensor x 1 1328 1328 1329 1329 **Dimension and weight**: 1330 1330 ... ... @@ -1333,7 +1333,9 @@ 1333 1333 * Package Size / pcs : cm 1334 1334 * Weight / pcs : g 1335 1335 1336 -= 11. Support = 1337 1337 1128 + 1129 += 8. Support = 1130 + 1338 1338 * 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. 1339 1339 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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