Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2024/03/07 08:41
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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 ... ... @@ -80,7 +80,6 @@ 80 80 [[image:1654852253176-749.png]] 81 81 82 82 83 - 84 84 **(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.** 85 85 86 86 ... ... @@ -100,7 +100,6 @@ 100 100 * Sewer 101 101 * Bottom water level monitoring 102 102 103 - 104 104 == 1.6 Pin mapping and power on == 105 105 106 106 ... ... @@ -209,12 +209,12 @@ 209 209 **Size (bytes)** 210 210 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 211 211 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 212 -[[Distance>>||anchor="H2.3. 2A0Distance"]]208 +[[Distance>>||anchor="H2.3.3A0Distance"]] 213 213 214 214 (unit: mm) 215 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 3A0InterruptPin"]]|(((216 -[[Temperature (Optional )>>||anchor="H2.3. 4A0DS18B20Temperaturesensor"]]217 -)))|[[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]] 218 218 219 219 [[image:1654850511545-399.png]] 220 220 ... ... @@ -241,11 +241,9 @@ 241 241 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 242 242 * 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. 243 243 244 - 245 - 246 246 === 2.3.3 Interrupt Pin === 247 247 248 -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. 249 249 250 250 **Example:** 251 251 ... ... @@ -276,9 +276,9 @@ 276 276 0x00: No Ultrasonic Sensor 277 277 278 278 273 +=== 274 +(% 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 ... ... @@ -812,8 +812,6 @@ 812 812 * Solid ON for 5 seconds once device successful Join the network. 813 813 * Blink once when device transmit a packet. 814 814 815 - 816 - 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -829,11 +829,9 @@ 829 829 830 830 [[image:image-20220610172003-1.png]] 831 831 832 - 833 833 [[image:image-20220610172003-2.png]] 834 834 835 835 836 - 837 837 == 2.10 Battery Analysis == 838 838 839 839 === 2.10.1 Battery Type === ... ... @@ -873,7 +873,7 @@ 873 873 874 874 875 875 876 -= 3. Configure LD DS75via AT Command or LoRaWAN Downlink =866 += 3. Configure LLDS12 via AT Command or LoRaWAN Downlink = 877 877 878 878 ((( 879 879 ((( ... ... @@ -1004,7 +1004,7 @@ 1004 1004 1005 1005 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** 1006 1006 1007 -[[image:image-202206101 74917-9.png]]997 +[[image:image-20220610105907-1.png]] 1008 1008 1009 1009 1010 1010 (% style="color:#037691" %)**Downlink Command: 0x06** ... ... @@ -1016,71 +1016,202 @@ 1016 1016 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1017 1017 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1018 1018 1019 -= 4. FAQ = 1020 1020 1021 -= =4.1Whatisthefrequencyplanfor LDDS75?==1010 += 5. Battery & How to replace = 1022 1022 1023 - 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"]]1012 +== 5.1 Battery Type == 1024 1024 1014 +((( 1015 +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. 1016 +))) 1025 1025 1018 +((( 1019 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1020 +))) 1026 1026 1027 - == 4.2 How to changethe LoRa Frequency Bands/Region ==1022 +[[image:1654593587246-335.png]] 1028 1028 1029 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1030 -When downloading the images, choose the required image file for download. 1031 1031 1025 +Minimum Working Voltage for the LLDS12: 1032 1032 1027 +LLDS12: 2.45v ~~ 3.6v 1033 1033 1034 -== 4.3 Can I use LDDS75 in condensation environment? == 1035 1035 1036 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0. 1037 1037 1031 +== 5.2 Replace Battery == 1038 1038 1033 +((( 1034 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 1035 +))) 1039 1039 1040 -= 5. Trouble Shooting = 1037 +((( 1038 +And make sure the positive and negative pins match. 1039 +))) 1041 1041 1042 -== 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == 1043 1043 1044 -It is due to channel mapping. Please see below link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1045 1045 1043 +== 5.3 Power Consumption Analyze == 1046 1046 1047 -== 5.2 AT Command input doesn't work == 1045 +((( 1046 +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. 1047 +))) 1048 1048 1049 +((( 1050 +Instruction to use as below: 1051 +))) 1052 + 1053 + 1054 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: 1055 + 1056 +[[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/]] 1057 + 1058 + 1059 +**Step 2**: Open it and choose 1060 + 1061 +* Product Model 1062 +* Uplink Interval 1063 +* Working Mode 1064 + 1065 +And the Life expectation in difference case will be shown on the right. 1066 + 1067 +[[image:1654593605679-189.png]] 1068 + 1069 + 1070 +The battery related documents as below: 1071 + 1072 +* ((( 1073 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 1074 +))) 1075 +* ((( 1076 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 1077 +))) 1078 +* ((( 1079 +[[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]] 1080 +))) 1081 + 1082 +[[image:image-20220607172042-11.png]] 1083 + 1084 + 1085 + 1086 +=== 5.3.1 Battery Note === 1087 + 1088 +((( 1089 +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. 1090 +))) 1091 + 1092 + 1093 + 1094 +=== 5.3.2 Replace the battery === 1095 + 1096 +((( 1097 +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. 1098 +))) 1099 + 1100 +((( 1101 +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) 1102 +))) 1103 + 1104 + 1105 + 1106 += 6. Use AT Command = 1107 + 1108 +== 6.1 Access AT Commands == 1109 + 1110 +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. 1111 + 1112 +[[image:1654593668970-604.png]] 1113 + 1114 +**Connection:** 1115 + 1116 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND** 1117 + 1118 +(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD** 1119 + 1120 +(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD** 1121 + 1122 + 1123 +((( 1124 +((( 1125 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1126 +))) 1127 + 1128 +((( 1129 +LLDS12 will output system info once power on as below: 1130 +))) 1131 +))) 1132 + 1133 + 1134 + [[image:1654593712276-618.png]] 1135 + 1136 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]]. 1137 + 1138 + 1139 += 7. FAQ = 1140 + 1141 +== 7.1 How to change the LoRa Frequency Bands/Region == 1142 + 1143 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1144 +When downloading the images, choose the required image file for download. 1145 + 1146 + 1147 += 8. Trouble Shooting = 1148 + 1149 +== 8.1 AT Commands input doesn’t work == 1150 + 1151 + 1152 +((( 1049 1049 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. 1154 +))) 1050 1050 1156 + 1157 +== 8.2 Significant error between the output distant value of LiDAR and actual distance == 1158 + 1159 + 1051 1051 ((( 1161 +(% 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.) 1162 +))) 1163 + 1164 +((( 1165 +Troubleshooting: Please avoid use of this product under such circumstance in practice. 1166 +))) 1167 + 1168 +((( 1052 1052 1053 1053 ))) 1054 1054 1172 +((( 1173 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked. 1174 +))) 1055 1055 1056 -= 6. Order Info = 1176 +((( 1177 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter. 1178 +))) 1057 1057 1058 1058 1059 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 1060 1060 1182 += 9. Order Info = 1061 1061 1062 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band 1063 1063 1064 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band 1065 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band 1066 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band 1067 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band 1068 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band 1069 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band 1070 -* (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 1071 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 1185 +Part Number: (% style="color:blue" %)**LLDS12-XX** 1072 1072 1073 -(% style="color:blue" %)**YY**(%%): Battery Option 1074 1074 1075 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1076 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1188 +(% style="color:blue" %)**XX**(%%): The default frequency band 1077 1077 1078 -= 7. Packing Info = 1190 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 1191 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 1192 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 1193 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 1194 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 1195 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 1196 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1197 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1079 1079 1199 += 10. Packing Info = 1080 1080 1201 + 1081 1081 **Package Includes**: 1082 1082 1083 -* LD DS75LoRaWAN DistanceDetectionSensor x 11204 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1 1084 1084 1085 1085 **Dimension and weight**: 1086 1086 ... ... @@ -1089,7 +1089,7 @@ 1089 1089 * Package Size / pcs : cm 1090 1090 * Weight / pcs : g 1091 1091 1092 -= 8. Support =1213 += 11. Support = 1093 1093 1094 1094 * 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. 1095 1095 * 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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