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]] ... ... @@ -86,7 +86,6 @@ 86 86 * IP66 Waterproof Enclosure 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 89 - 90 90 == 1.3 Specification == 91 91 92 92 === 1.3.1 Rated environmental conditions === ... ... @@ -93,12 +93,12 @@ 93 93 94 94 [[image:image-20220610154839-1.png]] 95 95 96 -((( 97 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 98 -))) 66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 99 99 68 +**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 100 100 101 101 71 + 102 102 === 1.3.2 Effective measurement range Reference beam pattern === 103 103 104 104 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -108,7 +108,6 @@ 108 108 [[image:1654852253176-749.png]] 109 109 110 110 111 - 112 112 **(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.** 113 113 114 114 ... ... @@ -128,8 +128,6 @@ 128 128 * Sewer 129 129 * Bottom water level monitoring 130 130 131 - 132 - 133 133 == 1.6 Pin mapping and power on == 134 134 135 135 ... ... @@ -238,12 +238,12 @@ 238 238 **Size (bytes)** 239 239 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 240 240 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 241 -[[Distance>>||anchor="H2.3. 2A0Distance"]]208 +[[Distance>>||anchor="H2.3.3A0Distance"]] 242 242 243 243 (unit: mm) 244 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((245 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]246 -)))|[[Sensor Flag>> ||anchor="H2.3.5A0SensorFlag"]]211 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 212 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]] 213 +)))|[[Sensor Flag>>path:#Sensor_Flag]] 247 247 248 248 [[image:1654850511545-399.png]] 249 249 ... ... @@ -272,7 +272,7 @@ 272 272 273 273 === 2.3.3 Interrupt Pin === 274 274 275 -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.242 +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. 276 276 277 277 **Example:** 278 278 ... ... @@ -303,9 +303,9 @@ 303 303 0x00: No Ultrasonic Sensor 304 304 305 305 273 +=== 274 +(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 306 306 307 -=== 2.3.6 Decode payload in The Things Network === 308 - 309 309 While using TTN network, you can add the payload format to decode the payload. 310 310 311 311 ... ... @@ -854,11 +854,9 @@ 854 854 855 855 [[image:image-20220610172003-1.png]] 856 856 857 - 858 858 [[image:image-20220610172003-2.png]] 859 859 860 860 861 - 862 862 == 2.10 Battery Analysis == 863 863 864 864 === 2.10.1 Battery Type === ... ... @@ -869,7 +869,7 @@ 869 869 The battery related documents as below: 870 870 871 871 * ((( 872 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 837 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 873 873 ))) 874 874 * ((( 875 875 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -885,7 +885,7 @@ 885 885 === 2.10.2 Replace the battery === 886 886 887 887 ((( 888 -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.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. 889 889 ))) 890 890 891 891 ((( ... ... @@ -893,12 +893,12 @@ 893 893 ))) 894 894 895 895 ((( 896 -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)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) 897 897 ))) 898 898 899 899 900 900 901 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =866 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 902 902 903 903 ((( 904 904 ((( ... ... @@ -908,7 +908,7 @@ 908 908 909 909 * ((( 910 910 ((( 911 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].876 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 912 912 ))) 913 913 ))) 914 914 * ((( ... ... @@ -1005,6 +1005,8 @@ 1005 1005 [[image:image-20220610173409-7.png]] 1006 1006 1007 1007 973 + 974 + 1008 1008 ((( 1009 1009 (% style="color:#037691" %)**Downlink Command: 0x01** 1010 1010 ))) ... ... @@ -1027,9 +1027,10 @@ 1027 1027 1028 1028 Feature, Set Interrupt mode for GPIO_EXIT. 1029 1029 997 + 1030 1030 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1031 1031 1032 -[[image:image-202206101 74917-9.png]]1000 +[[image:image-20220610105907-1.png]] 1033 1033 1034 1034 1035 1035 (% style="color:#037691" %)**Downlink Command: 0x06** ... ... @@ -1041,71 +1041,202 @@ 1041 1041 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1042 1042 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1043 1043 1044 -= 4. FAQ = 1045 1045 1046 -= =4.1Whatisthefrequencyplanfor LDDS75?==1013 += 5. Battery & How to replace = 1047 1047 1048 - 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 == 1049 1049 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 +))) 1050 1050 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 +))) 1051 1051 1052 - == 4.2 How to changethe LoRa Frequency Bands/Region ==1025 +[[image:1654593587246-335.png]] 1053 1053 1054 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1055 -When downloading the images, choose the required image file for download. 1056 1056 1028 +Minimum Working Voltage for the LLDS12: 1057 1057 1030 +LLDS12: 2.45v ~~ 3.6v 1058 1058 1059 -== 4.3 Can I use LDDS75 in condensation environment? == 1060 1060 1061 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1062 1062 1034 +== 5.2 Replace Battery == 1063 1063 1036 +((( 1037 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1038 +))) 1064 1064 1065 -= 5. Trouble Shooting = 1040 +((( 1041 +And make sure the positive and negative pins match. 1042 +))) 1066 1066 1067 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1068 1068 1069 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1070 1070 1046 +== 5.3 Power Consumption Analyze == 1071 1071 1072 -== 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 +))) 1073 1073 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 +((( 1074 1074 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 +))) 1075 1075 1159 + 1160 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1161 + 1162 + 1076 1076 ((( 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 +((( 1077 1077 1078 1078 ))) 1079 1079 1175 +((( 1176 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1177 +))) 1080 1080 1081 -= 6. Order Info = 1179 +((( 1180 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1181 +))) 1082 1082 1083 1083 1084 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1085 1085 1185 += 9. Order Info = 1086 1086 1087 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1088 1088 1089 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1090 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1091 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1092 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1093 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1094 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1095 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1096 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1188 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1097 1097 1098 -(% style="color:blue" %)**YY**(%%): Battery Option 1099 1099 1100 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1101 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1191 +(% style="color:blue" %)**XX**(%%): The default frequency band 1102 1102 1103 -= 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 1104 1104 1202 += 10. Packing Info = 1105 1105 1204 + 1106 1106 **Package Includes**: 1107 1107 1108 -* LD DS75LoRaWAN DistanceDetectionSensor x 11207 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1109 1109 1110 1110 **Dimension and weight**: 1111 1111 ... ... @@ -1114,7 +1114,7 @@ 1114 1114 * Package Size / pcs : cm 1115 1115 * Weight / pcs : g 1116 1116 1117 -= 8. Support =1216 += 11. Support = 1118 1118 1119 1119 * 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. 1120 1120 * 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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