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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... ... @@ -3,7 +3,6 @@ 3 3 4 4 **Contents:** 5 5 6 -{{toc/}} 7 7 8 8 9 9 ... ... @@ -11,7 +11,6 @@ 11 11 12 12 13 13 14 - 15 15 = 1. Introduction = 16 16 17 17 == 1.1 What is LoRaWAN Distance Detection Sensor == ... ... @@ -35,7 +35,7 @@ 35 35 Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 36 36 37 37 38 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors .36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors 39 39 ))) 40 40 ))) 41 41 ... ... @@ -59,8 +59,6 @@ 59 59 * IP66 Waterproof Enclosure 60 60 * 4000mAh or 8500mAh Battery for long term use 61 61 62 - 63 - 64 64 == 1.3 Specification == 65 65 66 66 === 1.3.1 Rated environmental conditions === ... ... @@ -82,7 +82,6 @@ 82 82 [[image:1654852253176-749.png]] 83 83 84 84 85 - 86 86 **(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.** 87 87 88 88 ... ... @@ -275,9 +275,9 @@ 275 275 0x00: No Ultrasonic Sensor 276 276 277 277 273 +=== 274 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 278 278 279 -=== 2.3.6 Decode payload in The Things Network === 280 - 281 281 While using TTN network, you can add the payload format to decode the payload. 282 282 283 283 ... ... @@ -997,9 +997,10 @@ 997 997 998 998 Feature, Set Interrupt mode for GPIO_EXIT. 999 999 995 + 1000 1000 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1001 1001 1002 -[[image:image-202206101 74917-9.png]]998 +[[image:image-20220610105907-1.png]] 1003 1003 1004 1004 1005 1005 (% style="color:#037691" %)**Downlink Command: 0x06** ... ... @@ -1011,71 +1011,202 @@ 1011 1011 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1012 1012 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1013 1013 1014 -= 4. FAQ = 1015 1015 1016 -= =4.1Whatisthefrequencyplanfor LDDS75?==1011 += 5. Battery & How to replace = 1017 1017 1018 - LDDS75use the same frequency as other Dragino products.User can seethe detail from this link: [[Introduction>>doc:Main.End Device FrequencyBand.WebHome||anchor="H1.Introduction"]]1013 +== 5.1 Battery Type == 1019 1019 1015 +((( 1016 +LLDS12 is equipped 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 targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter. 1017 +))) 1020 1020 1019 +((( 1020 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1021 +))) 1021 1021 1022 - == 4.2 How to changethe LoRa Frequency Bands/Region ==1023 +[[image:1654593587246-335.png]] 1023 1023 1024 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1025 -When downloading the images, choose the required image file for download. 1026 1026 1026 +Minimum Working Voltage for the LLDS12: 1027 1027 1028 +LLDS12: 2.45v ~~ 3.6v 1028 1028 1029 -== 4.3 Can I use LDDS75 in condensation environment? == 1030 1030 1031 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1032 1032 1032 +== 5.2 Replace Battery == 1033 1033 1034 +((( 1035 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1036 +))) 1034 1034 1035 -= 5. Trouble Shooting = 1038 +((( 1039 +And make sure the positive and negative pins match. 1040 +))) 1036 1036 1037 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1038 1038 1039 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1040 1040 1044 +== 5.3 Power Consumption Analyze == 1041 1041 1042 -== 5.2 AT Command input doesn't work == 1046 +((( 1047 +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. 1048 +))) 1043 1043 1050 +((( 1051 +Instruction to use as below: 1052 +))) 1053 + 1054 + 1055 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1056 + 1057 +[[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/]] 1058 + 1059 + 1060 +**Step 2**: Open it and choose 1061 + 1062 +* Product Model 1063 +* Uplink Interval 1064 +* Working Mode 1065 + 1066 +And the Life expectation in difference case will be shown on the right. 1067 + 1068 +[[image:1654593605679-189.png]] 1069 + 1070 + 1071 +The battery related documents as below: 1072 + 1073 +* ((( 1074 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1075 +))) 1076 +* ((( 1077 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1078 +))) 1079 +* ((( 1080 +[[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]] 1081 +))) 1082 + 1083 +[[image:image-20220607172042-11.png]] 1084 + 1085 + 1086 + 1087 +=== 5.3.1 Battery Note === 1088 + 1089 +((( 1090 +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. 1091 +))) 1092 + 1093 + 1094 + 1095 +=== 5.3.2 Replace the battery === 1096 + 1097 +((( 1098 +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. 1099 +))) 1100 + 1101 +((( 1102 +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) 1103 +))) 1104 + 1105 + 1106 + 1107 += 6. Use AT Command = 1108 + 1109 +== 6.1 Access AT Commands == 1110 + 1111 +LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below. 1112 + 1113 +[[image:1654593668970-604.png]] 1114 + 1115 +**Connection:** 1116 + 1117 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1118 + 1119 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1120 + 1121 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1122 + 1123 + 1124 +((( 1125 +((( 1126 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1127 +))) 1128 + 1129 +((( 1130 +LLDS12 will output system info once power on as below: 1131 +))) 1132 +))) 1133 + 1134 + 1135 + [[image:1654593712276-618.png]] 1136 + 1137 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1138 + 1139 + 1140 += 7. FAQ = 1141 + 1142 +== 7.1 How to change the LoRa Frequency Bands/Region == 1143 + 1144 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1145 +When downloading the images, choose the required image file for download. 1146 + 1147 + 1148 += 8. Trouble Shooting = 1149 + 1150 +== 8.1 AT Commands input doesn’t work == 1151 + 1152 + 1153 +((( 1044 1044 In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string. 1155 +))) 1045 1045 1157 + 1158 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1159 + 1160 + 1046 1046 ((( 1162 +(% style="color:blue" %)**Cause ①**(%%)**:**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.) 1163 +))) 1164 + 1165 +((( 1166 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1167 +))) 1168 + 1169 +((( 1047 1047 1048 1048 ))) 1049 1049 1173 +((( 1174 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1175 +))) 1050 1050 1051 -= 6. Order Info = 1177 +((( 1178 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1179 +))) 1052 1052 1053 1053 1054 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1055 1055 1183 += 9. Order Info = 1056 1056 1057 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1058 1058 1059 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1060 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1061 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1062 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1063 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1064 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1065 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1066 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1186 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1067 1067 1068 -(% style="color:blue" %)**YY**(%%): Battery Option 1069 1069 1070 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1071 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1189 +(% style="color:blue" %)**XX**(%%): The default frequency band 1072 1072 1073 -= 7. Packing Info = 1191 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1192 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1193 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1194 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1195 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1196 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1197 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1198 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1074 1074 1200 += 10. Packing Info = 1075 1075 1202 + 1076 1076 **Package Includes**: 1077 1077 1078 -* LD DS75LoRaWAN DistanceDetectionSensor x 11205 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1079 1079 1080 1080 **Dimension and weight**: 1081 1081 ... ... @@ -1084,7 +1084,7 @@ 1084 1084 * Package Size / pcs : cm 1085 1085 * Weight / pcs : g 1086 1086 1087 -= 8. Support =1214 += 11. Support = 1088 1088 1089 1089 * 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. 1090 1090 * 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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