Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 149.8 >
edited by Xiaoling
on 2022/06/10 18:10
To version < 147.7 >
edited by Xiaoling
on 2022/06/10 17:41
>
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... ... @@ -994,7 +994,7 @@
994 994  
995 995  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996 996  
997 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
998 998  
999 999  
1000 1000  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1007,49 +1007,184 @@
1007 1007  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1008 1008  
1009 1009  
1010 -= 4.  FAQ =
1010 += 5.  Battery & How to replace =
1011 1011  
1012 -== 4.1  What is the frequency plan for LDDS75? ==
1012 +== 5.1  Battery Type ==
1013 1013  
1014 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link: [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
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 +)))
1015 1015  
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 +)))
1016 1016  
1022 +[[image:1654593587246-335.png]]
1017 1017  
1018 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1019 1019  
1020 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1021 -When downloading the images, choose the required image file for download. ​
1025 +Minimum Working Voltage for the LLDS12:
1022 1022  
1027 +LLDS12:  2.45v ~~ 3.6v
1023 1023  
1024 1024  
1025 -== 4.3  Can I use LDDS75 in condensation environment? ==
1026 1026  
1027 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1031 +== 5.2  Replace Battery ==
1028 1028  
1033 +(((
1034 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1035 +)))
1029 1029  
1037 +(((
1038 +And make sure the positive and negative pins match.
1039 +)))
1030 1030  
1031 -= 5.  Trouble Shooting =
1032 1032  
1033 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1034 1034  
1035 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1043 +== 5.3  Power Consumption Analyze ==
1036 1036  
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 +)))
1037 1037  
1038 -== 5.2  AT Command input doesn't work ==
1049 +(((
1050 +Instruction to use as below:
1051 +)))
1039 1039  
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 +(((
1040 1040  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 +)))
1041 1041  
1156 +
1157 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1158 +
1159 +
1042 1042  (((
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 +(((
1043 1043  
1044 1044  )))
1045 1045  
1172 +(((
1173 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1174 +)))
1046 1046  
1047 -= 6.  Order Info =
1176 +(((
1177 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1178 +)))
1048 1048  
1049 1049  
1050 -Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1051 1051  
1182 += 9.  Order Info =
1052 1052  
1184 +
1185 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1186 +
1187 +
1053 1053  (% style="color:blue" %)**XX**(%%): The default frequency band
1054 1054  
1055 1055  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -1061,18 +1061,12 @@
1061 1061  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1062 1062  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1063 1063  
1064 -(% style="color:blue" %)**YY**(%%): Battery Option
1199 += 10. ​ Packing Info =
1065 1065  
1066 -* (% style="color:red" %)**4**(%%): 4000mAh battery
1067 -* (% style="color:red" %)**8**(%%): 8500mAh battery
1068 1068  
1069 -
1070 -= 7. ​ Packing Info =
1071 -
1072 -
1073 1073  **Package Includes**:
1074 1074  
1075 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1204 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1076 1076  
1077 1077  **Dimension and weight**:
1078 1078  
... ... @@ -1081,8 +1081,7 @@
1081 1081  * Package Size / pcs : cm
1082 1082  * Weight / pcs : g
1083 1083  
1213 += 11.  ​Support =
1084 1084  
1085 -= 8.  ​Support =
1086 -
1087 1087  * 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.
1088 1088  * 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]].
image-20220610174836-8.png
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