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 === ... ... @@ -274,9 +274,9 @@ 274 274 0x00: No Ultrasonic Sensor 275 275 276 276 273 +=== 274 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 277 277 278 -=== 2.3.6 Decode payload in The Things Network === 279 - 280 280 While using TTN network, you can add the payload format to decode the payload. 281 281 282 282 ... ... @@ -974,6 +974,8 @@ 974 974 [[image:image-20220610173409-7.png]] 975 975 976 976 973 + 974 + 977 977 ((( 978 978 (% style="color:#037691" %)**Downlink Command: 0x01** 979 979 ))) ... ... @@ -996,9 +996,10 @@ 996 996 997 997 Feature, Set Interrupt mode for GPIO_EXIT. 998 998 997 + 999 999 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1000 1000 1001 -[[image:image-202206101 74917-9.png]]1000 +[[image:image-20220610105907-1.png]] 1002 1002 1003 1003 1004 1004 (% style="color:#037691" %)**Downlink Command: 0x06** ... ... @@ -1010,71 +1010,202 @@ 1010 1010 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1011 1011 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1012 1012 1013 -= 4. FAQ = 1014 1014 1015 -= =4.1Whatisthefrequencyplanfor LDDS75?==1013 += 5. Battery & How to replace = 1016 1016 1017 - 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"]]1015 +== 5.1 Battery Type == 1018 1018 1017 +((( 1018 +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. 1019 +))) 1019 1019 1021 +((( 1022 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1023 +))) 1020 1020 1021 - == 4.2 How to changethe LoRa Frequency Bands/Region ==1025 +[[image:1654593587246-335.png]] 1022 1022 1023 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1024 -When downloading the images, choose the required image file for download. 1025 1025 1028 +Minimum Working Voltage for the LLDS12: 1026 1026 1030 +LLDS12: 2.45v ~~ 3.6v 1027 1027 1028 -== 4.3 Can I use LDDS75 in condensation environment? == 1029 1029 1030 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1031 1031 1034 +== 5.2 Replace Battery == 1032 1032 1036 +((( 1037 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1038 +))) 1033 1033 1034 -= 5. Trouble Shooting = 1040 +((( 1041 +And make sure the positive and negative pins match. 1042 +))) 1035 1035 1036 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1037 1037 1038 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1039 1039 1046 +== 5.3 Power Consumption Analyze == 1040 1040 1041 -== 5.2 AT Command input doesn't work == 1048 +((( 1049 +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. 1050 +))) 1042 1042 1052 +((( 1053 +Instruction to use as below: 1054 +))) 1055 + 1056 + 1057 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1058 + 1059 +[[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/]] 1060 + 1061 + 1062 +**Step 2**: Open it and choose 1063 + 1064 +* Product Model 1065 +* Uplink Interval 1066 +* Working Mode 1067 + 1068 +And the Life expectation in difference case will be shown on the right. 1069 + 1070 +[[image:1654593605679-189.png]] 1071 + 1072 + 1073 +The battery related documents as below: 1074 + 1075 +* ((( 1076 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1077 +))) 1078 +* ((( 1079 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1080 +))) 1081 +* ((( 1082 +[[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]] 1083 +))) 1084 + 1085 +[[image:image-20220607172042-11.png]] 1086 + 1087 + 1088 + 1089 +=== 5.3.1 Battery Note === 1090 + 1091 +((( 1092 +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. 1093 +))) 1094 + 1095 + 1096 + 1097 +=== 5.3.2 Replace the battery === 1098 + 1099 +((( 1100 +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. 1101 +))) 1102 + 1103 +((( 1104 +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) 1105 +))) 1106 + 1107 + 1108 + 1109 += 6. Use AT Command = 1110 + 1111 +== 6.1 Access AT Commands == 1112 + 1113 +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. 1114 + 1115 +[[image:1654593668970-604.png]] 1116 + 1117 +**Connection:** 1118 + 1119 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1120 + 1121 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1122 + 1123 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1124 + 1125 + 1126 +((( 1127 +((( 1128 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1129 +))) 1130 + 1131 +((( 1132 +LLDS12 will output system info once power on as below: 1133 +))) 1134 +))) 1135 + 1136 + 1137 + [[image:1654593712276-618.png]] 1138 + 1139 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1140 + 1141 + 1142 += 7. FAQ = 1143 + 1144 +== 7.1 How to change the LoRa Frequency Bands/Region == 1145 + 1146 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1147 +When downloading the images, choose the required image file for download. 1148 + 1149 + 1150 += 8. Trouble Shooting = 1151 + 1152 +== 8.1 AT Commands input doesn’t work == 1153 + 1154 + 1155 +((( 1043 1043 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. 1157 +))) 1044 1044 1159 + 1160 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1161 + 1162 + 1045 1045 ((( 1164 +(% 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.) 1165 +))) 1166 + 1167 +((( 1168 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1169 +))) 1170 + 1171 +((( 1046 1046 1047 1047 ))) 1048 1048 1175 +((( 1176 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1177 +))) 1049 1049 1050 -= 6. Order Info = 1179 +((( 1180 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1181 +))) 1051 1051 1052 1052 1053 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1054 1054 1185 += 9. Order Info = 1055 1055 1056 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1057 1057 1058 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1059 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1060 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1061 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1062 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1063 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1064 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1065 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1188 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1066 1066 1067 -(% style="color:blue" %)**YY**(%%): Battery Option 1068 1068 1069 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1070 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1191 +(% style="color:blue" %)**XX**(%%): The default frequency band 1071 1071 1072 -= 7. Packing Info = 1193 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1194 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1195 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1196 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1197 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1198 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1199 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1200 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1073 1073 1202 += 10. Packing Info = 1074 1074 1204 + 1075 1075 **Package Includes**: 1076 1076 1077 -* LD DS75LoRaWAN DistanceDetectionSensor x 11207 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1078 1078 1079 1079 **Dimension and weight**: 1080 1080 ... ... @@ -1083,7 +1083,7 @@ 1083 1083 * Package Size / pcs : cm 1084 1084 * Weight / pcs : g 1085 1085 1086 -= 8. Support =1216 += 11. Support = 1087 1087 1088 1088 * 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. 1089 1089 * 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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