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 ... ... @@ -81,7 +81,6 @@ 81 81 [[image:1654852253176-749.png]] 82 82 83 83 84 - 85 85 **(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.** 86 86 87 87 ... ... @@ -102,7 +102,6 @@ 102 102 * Bottom water level monitoring 103 103 104 104 105 - 106 106 == 1.6 Pin mapping and power on == 107 107 108 108 ... ... @@ -243,6 +243,7 @@ 243 243 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 244 244 * 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. 245 245 242 + 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. ... ... @@ -276,9 +276,9 @@ 276 276 0x00: No Ultrasonic Sensor 277 277 278 278 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 279 279 280 -=== 2.3.6 Decode payload in The Things Network === 281 - 282 282 While using TTN network, you can add the payload format to decode the payload. 283 283 284 284 ... ... @@ -812,6 +812,7 @@ 812 812 * Solid ON for 5 seconds once device successful Join the network. 813 813 * Blink once when device transmit a packet. 814 814 812 + 815 815 == 2.8 Firmware Change Log == 816 816 817 817 ... ... @@ -830,7 +830,7 @@ 830 830 [[image:image-20220610172003-2.png]] 831 831 832 832 833 -== 2.10 Battery Analysis == 831 +== 2.10 Battery Analysis == 834 834 835 835 === 2.10.1 Battery Type === 836 836 ... ... @@ -869,7 +869,7 @@ 869 869 870 870 871 871 872 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 873 873 874 874 ((( 875 875 ((( ... ... @@ -976,6 +976,8 @@ 976 976 [[image:image-20220610173409-7.png]] 977 977 978 978 977 + 978 + 979 979 ((( 980 980 (% style="color:#037691" %)**Downlink Command: 0x01** 981 981 ))) ... ... @@ -998,12 +998,13 @@ 998 998 999 999 Feature, Set Interrupt mode for GPIO_EXIT. 1000 1000 1001 + 1001 1001 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1002 1002 1003 -[[image:image-202206101 74917-9.png]]1004 +[[image:image-20220610105907-1.png]] 1004 1004 1005 1005 1006 - (% style="color:#037691" %)**Downlink Command: 0x06**1007 +**Downlink Command: 0x06** 1007 1007 1008 1008 Format: Command Code (0x06) followed by 3 bytes. 1009 1009 ... ... @@ -1012,71 +1012,203 @@ 1012 1012 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1013 1013 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1014 1014 1015 -= 4. FAQ = 1016 1016 1017 -== 4.1 What is the frequency plan for LDDS75? == 1018 1018 1019 - LDDS75usethesame frequencyasotherDraginoproducts. User can see the detailfrom this link: [[Introduction>>doc:Main.End DeviceFrequency Band.WebHome||anchor="H1.Introduction"]]1018 += 5. Battery & How to replace = 1020 1020 1020 +== 5.1 Battery Type == 1021 1021 1022 +((( 1023 +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. 1024 +))) 1022 1022 1023 -== 4.2 How to change the LoRa Frequency Bands/Region == 1026 +((( 1027 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1028 +))) 1024 1024 1025 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1026 -When downloading the images, choose the required image file for download. 1030 +[[image:1654593587246-335.png]] 1027 1027 1028 1028 1033 +Minimum Working Voltage for the LLDS12: 1029 1029 1030 - == 4.3 Can I useLDDS75incondensation environment? ==1035 +LLDS12: 2.45v ~~ 3.6v 1031 1031 1032 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1033 1033 1034 1034 1039 +== 5.2 Replace Battery == 1035 1035 1036 -= 5. Trouble Shooting = 1041 +((( 1042 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1043 +))) 1037 1037 1038 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1045 +((( 1046 +And make sure the positive and negative pins match. 1047 +))) 1039 1039 1040 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1041 1041 1042 1042 1043 -== 5. 2ATCommand inputdoesn'twork==1051 +== 5.3 Power Consumption Analyze == 1044 1044 1053 +((( 1054 +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. 1055 +))) 1056 + 1057 +((( 1058 +Instruction to use as below: 1059 +))) 1060 + 1061 + 1062 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1063 + 1064 +[[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/]] 1065 + 1066 + 1067 +**Step 2**: Open it and choose 1068 + 1069 +* Product Model 1070 +* Uplink Interval 1071 +* Working Mode 1072 + 1073 +And the Life expectation in difference case will be shown on the right. 1074 + 1075 +[[image:1654593605679-189.png]] 1076 + 1077 + 1078 +The battery related documents as below: 1079 + 1080 +* ((( 1081 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1082 +))) 1083 +* ((( 1084 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1085 +))) 1086 +* ((( 1087 +[[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]] 1088 +))) 1089 + 1090 +[[image:image-20220607172042-11.png]] 1091 + 1092 + 1093 + 1094 +=== 5.3.1 Battery Note === 1095 + 1096 +((( 1097 +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. 1098 +))) 1099 + 1100 + 1101 + 1102 +=== 5.3.2 Replace the battery === 1103 + 1104 +((( 1105 +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. 1106 +))) 1107 + 1108 +((( 1109 +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) 1110 +))) 1111 + 1112 + 1113 + 1114 += 6. Use AT Command = 1115 + 1116 +== 6.1 Access AT Commands == 1117 + 1118 +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. 1119 + 1120 +[[image:1654593668970-604.png]] 1121 + 1122 +**Connection:** 1123 + 1124 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1125 + 1126 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1127 + 1128 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1129 + 1130 + 1131 +((( 1132 +((( 1133 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1134 +))) 1135 + 1136 +((( 1137 +LLDS12 will output system info once power on as below: 1138 +))) 1139 +))) 1140 + 1141 + 1142 + [[image:1654593712276-618.png]] 1143 + 1144 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1145 + 1146 + 1147 += 7. FAQ = 1148 + 1149 +== 7.1 How to change the LoRa Frequency Bands/Region == 1150 + 1151 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1152 +When downloading the images, choose the required image file for download. 1153 + 1154 + 1155 += 8. Trouble Shooting = 1156 + 1157 +== 8.1 AT Commands input doesn’t work == 1158 + 1159 + 1160 +((( 1045 1045 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. 1162 +))) 1046 1046 1164 + 1165 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1166 + 1167 + 1047 1047 ((( 1169 +(% 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.) 1170 +))) 1171 + 1172 +((( 1173 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1174 +))) 1175 + 1176 +((( 1048 1048 1049 1049 ))) 1050 1050 1180 +((( 1181 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1182 +))) 1051 1051 1052 -= 6. Order Info = 1184 +((( 1185 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1186 +))) 1053 1053 1054 1054 1055 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1056 1056 1190 += 9. Order Info = 1057 1057 1058 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1059 1059 1060 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1061 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1062 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1063 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1064 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1065 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1066 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1067 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1193 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1068 1068 1069 -(% style="color:blue" %)**YY**(%%): Battery Option 1070 1070 1071 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1072 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1196 +(% style="color:blue" %)**XX**(%%): The default frequency band 1073 1073 1074 -= 7. Packing Info = 1198 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1199 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1200 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1201 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1202 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1203 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1204 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1205 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1075 1075 1207 += 10. Packing Info = 1076 1076 1209 + 1077 1077 **Package Includes**: 1078 1078 1079 -* LD DS75LoRaWAN DistanceDetectionSensor x 11212 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1080 1080 1081 1081 **Dimension and weight**: 1082 1082 ... ... @@ -1085,7 +1085,7 @@ 1085 1085 * Package Size / pcs : cm 1086 1086 * Weight / pcs : g 1087 1087 1088 -= 8. Support =1221 += 11. Support = 1089 1089 1090 1090 * 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. 1091 1091 * 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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