Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 8.5 >
edited by Xiaoling
on 2022/06/06 15:52
To version < 4.11 >
edited by Xiaoling
on 2022/06/06 15:33
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... ... @@ -87,6 +87,8 @@
87 87  **Method**
88 88  )))|**FDR , with temperature &EC compensate**|**Conductivity , with temperature compensate**|**RTD, and calibrate**
89 89  
90 +
91 +
90 90  *
91 91  *1. ​Applications
92 92  * Smart Agriculture
... ... @@ -98,6 +98,8 @@
98 98  
99 99  * Release
100 100  
103 +
104 +
101 101  1. Configure LSE01 to connect to LoRaWAN network
102 102  11. How it works
103 103  
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148 148  )))
149 149  
150 150  
155 +
156 +
151 151  **Step 2**: Power on LSE01
152 152  
153 153  
... ... @@ -734,6 +734,7 @@
734 734  * [[Lithium-Thionyl Chloride Battery>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet-EN.pdf]] datasheet, [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet_PM-ER18505-S-02-LF_EN.pdf]]
735 735  * [[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]]
736 736  
743 +
737 737  |(((
738 738  JST-XH-2P connector
739 739  )))
... ... @@ -900,24 +900,39 @@
900 900  
901 901  
902 902  
903 -= ​4. FAQ =
910 +1. ​FAQ
911 +11. ​How to change the LoRa Frequency Bands/Region?
904 904  
905 -== 4.1 ​How to change the LoRa Frequency Bands/Region? ==
906 -
907 907  You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
908 908  When downloading the images, choose the required image file for download. ​
909 909  
910 910  
911 -How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies.
912 912  
918 +How to set up LSE01 to work in 8 channel mode
913 913  
920 +By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies.
921 +
922 +
914 914  You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA.
915 915  
916 916  
926 +
917 917  For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets.
918 918  
919 -[[image:image-20220606154726-3.png]]
920 920  
930 +|CHE|(% colspan="9" %)US915 Uplink Channels(125KHz,4/5,Unit:MHz,CHS=0)
931 +|0|(% colspan="9" %)ENABLE Channel 0-63
932 +|1|902.3|902.5|902.7|902.9|903.1|903.3|903.5|903.7|Channel 0-7
933 +|2|903.9|904.1|904.3|904.5|904.7|904.9|905.1|905.3|Channel 8-15
934 +|3|905.5|905.7|905.9|906.1|906.3|906.5|906.7|906.9|Channel 16-23
935 +|4|907.1|907.3|907.5|907.7|907.9|908.1|908.3|908.5|Channel 24-31
936 +|5|908.7|908.9|909.1|909.3|909.5|909.7|909.9|910.1|Channel 32-39
937 +|6|910.3|910.5|910.7|910.9|911.1|911.3|911.5|911.7|Channel 40-47
938 +|7|911.9|912.1|912.3|912.5|912.7|912.9|913.1|913.3|Channel 48-55
939 +|8|913.5|913.7|913.9|914.1|914.3|914.5|914.7|914.9|Channel 56-63
940 +|(% colspan="10" %)Channels(500KHz,4/5,Unit:MHz,CHS=0)
941 +| |903|904.6|906.2|907.8|909.4|911|912.6|914.2|Channel 64-71
942 +
921 921  When you use the TTN network, the US915 frequency bands use are:
922 922  
923 923  * 903.9 - SF7BW125 to SF10BW125
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930 930  * 905.3 - SF7BW125 to SF10BW125
931 931  * 904.6 - SF8BW500
932 932  
933 -
934 934  Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run:
935 935  
936 -(% class="box infomessage" %)
937 -(((
938 938  **AT+CHE=2**
939 -)))
940 940  
941 -(% class="box infomessage" %)
942 -(((
943 943  **ATZ**
944 -)))
945 945  
946 946  to set the end node to work in 8 channel mode. The device will work in Channel 8-15 & 64-71 for OTAA, and channel 8-15 for Uplink.
947 947  
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948 948  
949 949  The **AU915** band is similar. Below are the AU915 Uplink Channels.
950 950  
951 -[[image:image-20220606154825-4.png]]
952 952  
967 +|CHE|(% colspan="9" %)AU915 Uplink Channels(125KHz,4/5,Unit:MHz,CHS=0)
968 +|0|(% colspan="9" %)ENABLE Channel 0-63
969 +|1|915.2|915.4|915.6|915.8|916|916.2|916.4|916.6|Channel 0-7
970 +|2|916.8|917|917.2|917.4|917.6|917.8|918|918.2|Channel 8-15
971 +|3|918.4|918.6|918.8|919|919.2|919.4|919.6|919.8|Channel 16-23
972 +|4|920|920.2|920.4|920.6|920.8|921|921.2|921.4|Channel 24-31
973 +|5|921.6|921.8|922|922.2|922.4|922.6|922.8|923|Channel 32-39
974 +|6|923.2|923.4|923.6|923.8|924|924.2|924.4|924.6|Channel 40-47
975 +|7|924.8|925|925.2|925.4|925.6|925.8|926|926.2|Channel 48-55
976 +|8|926.4|926.6|926.8|927|927.2|927.4|927.6|927.8|Channel 56-63
977 +|(% colspan="10" %)Channels(500KHz,4/5,Unit:MHz,CHS=0)
978 +| |915.9|917.5|919.1|920.7|922.3|923.9|925.5|927.1|Channel 64-71
953 953  
954 954  
981 +
982 +
983 +
955 955  = 5. Trouble Shooting =
956 956  
986 +
957 957  == 5.1 ​Why I can’t join TTN in US915 / AU915 bands? ==
958 958  
959 959  It is due to channel mapping. Please see the [[Eight Channel Mode>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] section above for details.
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961 961  
962 962  == 5.2 AT Command input doesn’t work ==
963 963  
964 -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.
994 +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 **ENTER** while sending out the command. Some serial tool doesn’t send **ENTER** while press the send key, user need to add ENTER in their string.
965 965  
966 966  
967 967  == 5.3 Device rejoin in at the second uplink packet ==
968 968  
969 -(% style="color:#4f81bd" %)**Issue describe as below:**
999 +**Issue describe as below:**
970 970  
971 -[[image:1654500909990-784.png]]
1001 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
972 972  
973 973  
974 -(% style="color:#4f81bd" %)**Cause for this issue:**
1004 +**Cause for this issue:**
975 975  
976 976  The fuse on LSE01 is not large enough, some of the soil probe require large current up to 5v 800mA, in a short pulse. When this happen, it cause the device reboot so user see rejoin.
977 977  
978 978  
979 -(% style="color:#4f81bd" %)**Solution: **
1009 +**Solution: **
980 980  
981 981  All new shipped LSE01 after 2020-May-30 will have this to fix. For the customer who see this issue, please bypass the fuse as below:
982 982  
983 -[[image:1654500929571-736.png]]
1013 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
984 984  
985 985  
986 986  = 6. ​Order Info =
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1005 1005  * (% style="color:red" %)**4**(%%): 4000mAh battery
1006 1006  * (% style="color:red" %)**8**(%%): 8500mAh battery
1007 1007  
1038 +
1008 1008  = 7. Packing Info =
1009 1009  
1010 1010  (((
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