Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 149.1 >
edited by Xiaoling
on 2022/06/10 17:49
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-20220610174836-8.png]]
997 +[[image:image-20220610105907-1.png]]
998 998  
999 999  
1000 1000  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1007,18 +1007,146 @@
1007 1007  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1008 1008  
1009 1009  
1010 += 5.  Battery & How to replace =
1010 1010  
1011 -= 4.  FAQ =
1012 +== 5.1  Battery Type ==
1012 1012  
1013 -== 4.1  How to change the LoRa Frequency Bands/Region ==
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 +)))
1014 1014  
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 +)))
1021 +
1022 +[[image:1654593587246-335.png]]
1023 +
1024 +
1025 +Minimum Working Voltage for the LLDS12:
1026 +
1027 +LLDS12:  2.45v ~~ 3.6v
1028 +
1029 +
1030 +
1031 +== 5.2  Replace Battery ==
1032 +
1033 +(((
1034 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1035 +)))
1036 +
1037 +(((
1038 +And make sure the positive and negative pins match.
1039 +)))
1040 +
1041 +
1042 +
1043 +== 5.3  Power Consumption Analyze ==
1044 +
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 +
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 +
1015 1015  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1016 1016  When downloading the images, choose the required image file for download. ​
1017 1017  
1018 1018  
1019 -= 5.  Trouble Shooting =
1147 += 8.  Trouble Shooting =
1020 1020  
1021 -== 5.1  AT Commands input doesn’t work ==
1149 +== 8.1  AT Commands input doesn’t work ==
1022 1022  
1023 1023  
1024 1024  (((
... ... @@ -1026,7 +1026,7 @@
1026 1026  )))
1027 1027  
1028 1028  
1029 -== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1157 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1030 1030  
1031 1031  
1032 1032  (((
... ... @@ -1051,10 +1051,10 @@
1051 1051  
1052 1052  
1053 1053  
1054 -= 6.  Order Info =
1182 += 9.  Order Info =
1055 1055  
1056 1056  
1057 -Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1185 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1058 1058  
1059 1059  
1060 1060  (% style="color:blue" %)**XX**(%%): The default frequency band
... ... @@ -1068,18 +1068,12 @@
1068 1068  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1069 1069  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1070 1070  
1071 -(% style="color:blue" %)**YY**(%%): Battery Option
1199 += 10. ​ Packing Info =
1072 1072  
1073 -* (% style="color:red" %)**4**(%%): 4000mAh battery
1074 -* (% style="color:red" %)**8**(%%): 8500mAh battery
1075 1075  
1076 -
1077 -= 7. ​ Packing Info =
1078 -
1079 -
1080 1080  **Package Includes**:
1081 1081  
1082 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1204 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1083 1083  
1084 1084  **Dimension and weight**:
1085 1085  
... ... @@ -1088,8 +1088,7 @@
1088 1088  * Package Size / pcs : cm
1089 1089  * Weight / pcs : g
1090 1090  
1213 += 11.  ​Support =
1091 1091  
1092 -= 8.  ​Support =
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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