Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Xiaoling on 2025/04/27 16:45
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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 == ... ... @@ -20,51 +20,24 @@ 20 20 21 21 22 22 ((( 23 -((( 24 24 The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 -))) 26 26 27 -((( 28 - 29 -))) 30 30 31 -((( 32 32 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server. 33 -))) 34 34 35 -((( 36 - 37 -))) 38 38 39 -((( 40 40 The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 41 -))) 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 48 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 -))) 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 56 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. 57 -))) 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 -(% 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 65 65 ))) 66 66 ))) 67 -))) 68 68 69 69 70 70 [[image:1654847051249-359.png]] ... ... @@ -86,6 +86,7 @@ 86 86 * IP66 Waterproof Enclosure 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 60 + 89 89 == 1.3 Specification == 90 90 91 91 === 1.3.1 Rated environmental conditions === ... ... @@ -107,7 +107,6 @@ 107 107 [[image:1654852253176-749.png]] 108 108 109 109 110 - 111 111 **(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.** 112 112 113 113 ... ... @@ -127,6 +127,7 @@ 127 127 * Sewer 128 128 * Bottom water level monitoring 129 129 101 + 130 130 == 1.6 Pin mapping and power on == 131 131 132 132 ... ... @@ -235,12 +235,12 @@ 235 235 **Size (bytes)** 236 236 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 237 237 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 238 -[[Distance>>||anchor="H2.3. 2A0Distance"]]210 +[[Distance>>||anchor="H2.3.3A0Distance"]] 239 239 240 240 (unit: mm) 241 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((242 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]243 -)))|[[Sensor Flag>> ||anchor="H2.3.5A0SensorFlag"]]213 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 214 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]] 215 +)))|[[Sensor Flag>>path:#Sensor_Flag]] 244 244 245 245 [[image:1654850511545-399.png]] 246 246 ... ... @@ -270,7 +270,7 @@ 270 270 271 271 === 2.3.3 Interrupt Pin === 272 272 273 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H 3.3A0SetInterruptMode"]] for the hardware and software set up.245 +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. 274 274 275 275 **Example:** 276 276 ... ... @@ -301,9 +301,9 @@ 301 301 0x00: No Ultrasonic Sensor 302 302 303 303 276 +=== 277 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 304 304 305 -=== 2.3.6 Decode payload in The Things Network === 306 - 307 307 While using TTN network, you can add the payload format to decode the payload. 308 308 309 309 ... ... @@ -853,13 +853,11 @@ 853 853 854 854 [[image:image-20220610172003-1.png]] 855 855 856 - 857 857 [[image:image-20220610172003-2.png]] 858 858 859 859 831 +== 2.10 Battery Analysis == 860 860 861 -== 2.10 Battery Analysis == 862 - 863 863 === 2.10.1 Battery Type === 864 864 865 865 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. ... ... @@ -868,7 +868,7 @@ 868 868 The battery related documents as below: 869 869 870 870 * ((( 871 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 841 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 872 872 ))) 873 873 * ((( 874 874 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -884,7 +884,7 @@ 884 884 === 2.10.2 Replace the battery === 885 885 886 886 ((( 887 -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.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. 888 888 ))) 889 889 890 890 ((( ... ... @@ -892,12 +892,12 @@ 892 892 ))) 893 893 894 894 ((( 895 -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)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) 896 896 ))) 897 897 898 898 899 899 900 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =870 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 901 901 902 902 ((( 903 903 ((( ... ... @@ -907,7 +907,7 @@ 907 907 908 908 * ((( 909 909 ((( 910 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 911 911 ))) 912 912 ))) 913 913 * ((( ... ... @@ -1004,6 +1004,8 @@ 1004 1004 [[image:image-20220610173409-7.png]] 1005 1005 1006 1006 977 + 978 + 1007 1007 ((( 1008 1008 (% style="color:#037691" %)**Downlink Command: 0x01** 1009 1009 ))) ... ... @@ -1026,12 +1026,13 @@ 1026 1026 1027 1027 Feature, Set Interrupt mode for GPIO_EXIT. 1028 1028 1001 + 1029 1029 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1030 1030 1031 -[[image:image-202206101 74917-9.png]]1004 +[[image:image-20220610105907-1.png]] 1032 1032 1033 1033 1034 - (% style="color:#037691" %)**Downlink Command: 0x06**1007 +**Downlink Command: 0x06** 1035 1035 1036 1036 Format: Command Code (0x06) followed by 3 bytes. 1037 1037 ... ... @@ -1042,73 +1042,201 @@ 1042 1042 1043 1043 1044 1044 1045 -= 4.FAQ=1018 += 5. Battery & How to replace = 1046 1046 1047 -== 4.1Whatisthefrequency planfor LDDS75?==1020 +== 5.1 Battery Type == 1048 1048 1049 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link: [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]] 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 +))) 1050 1050 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 +))) 1051 1051 1030 +[[image:1654593587246-335.png]] 1052 1052 1053 -== 4.2 How to change the LoRa Frequency Bands/Region == 1054 1054 1055 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1056 -When downloading the images, choose the required image file for download. 1033 +Minimum Working Voltage for the LLDS12: 1057 1057 1035 +LLDS12: 2.45v ~~ 3.6v 1058 1058 1059 1059 1060 -== 4.3 Can I use LDDS75 in condensation environment? == 1061 1061 1062 - LDDS75is not suitable to be used in condensation environment.Condensation on the LDDS75probe willaffecttheeading and alwaysgot 0.1039 +== 5.2 Replace Battery == 1063 1063 1041 +((( 1042 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1043 +))) 1064 1064 1045 +((( 1046 +And make sure the positive and negative pins match. 1047 +))) 1065 1065 1066 -= 5. Trouble Shooting = 1067 1067 1068 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1069 1069 1070 - Itis due to channel mapping. Please see belowlink: [[Frequencyband>>doc:Main.LoRaWANCommunication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]1051 +== 5.3 Power Consumption Analyze == 1071 1071 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 +))) 1072 1072 1073 -== 5.2 AT Command input doesn't work == 1057 +((( 1058 +Instruction to use as below: 1059 +))) 1074 1074 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 +((( 1075 1075 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 +))) 1076 1076 1164 + 1165 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1166 + 1167 + 1077 1077 ((( 1078 - 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.) 1079 1079 ))) 1080 1080 1172 +((( 1173 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1174 +))) 1081 1081 1082 -= 6. Order Info = 1176 +((( 1177 + 1178 +))) 1083 1083 1180 +((( 1181 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1182 +))) 1084 1084 1085 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1184 +((( 1185 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1186 +))) 1086 1086 1087 1087 1088 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1089 1089 1090 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1091 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1092 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1093 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1094 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1095 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1096 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1097 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1190 += 9. Order Info = 1098 1098 1099 -(% style="color:blue" %)**YY**(%%): Battery Option 1100 1100 1101 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1102 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1193 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1103 1103 1104 1104 1196 +(% style="color:blue" %)**XX**(%%): The default frequency band 1105 1105 1106 -= 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 1107 1107 1207 += 10. Packing Info = 1108 1108 1209 + 1109 1109 **Package Includes**: 1110 1110 1111 -* LD DS75LoRaWAN DistanceDetectionSensor x 11212 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1112 1112 1113 1113 **Dimension and weight**: 1114 1114 ... ... @@ -1117,9 +1117,7 @@ 1117 1117 * Package Size / pcs : cm 1118 1118 * Weight / pcs : g 1119 1119 1221 += 11. Support = 1120 1120 1121 - 1122 -= 8. Support = 1123 - 1124 1124 * 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. 1125 1125 * 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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