Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Last modified by Bei Jinggeng on 2024/05/31 09:53
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... ... @@ -58,6 +58,7 @@ 58 58 * IP66 Waterproof Enclosure 59 59 * 4000mAh or 8500mAh Battery for long term use 60 60 61 + 61 61 == 1.3 Specification == 62 62 63 63 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. ... ... @@ -89,7 +89,7 @@ 89 89 ))) 90 90 91 91 ((( 92 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3. UsingtheATCommands"]].93 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.200BUsingtheATCommands"]]. 93 93 ))) 94 94 95 95 ... ... @@ -278,6 +278,7 @@ 278 278 LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]] 279 279 280 280 282 + 281 281 == 2.4 Uplink Interval == 282 282 283 283 The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]] ... ... @@ -629,6 +629,8 @@ 629 629 * Solid ON for 5 seconds once device successful Join the network. 630 630 * Blink once when device transmit a packet. 631 631 634 + 635 + 632 632 == 2.9 Installation in Soil == 633 633 634 634 **Measurement the soil surface** ... ... @@ -748,13 +748,13 @@ 748 748 749 749 LSE01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSE01 for using AT command, as below. 750 750 751 -[[image:1654501986557-872.png]] 755 +[[image:1654501986557-872.png||height="391" width="800"]] 752 752 753 753 754 754 Or if you have below board, use below connection: 755 755 756 756 757 -[[image:1654502005655-729.png]] 761 +[[image:1654502005655-729.png||height="503" width="801"]] 758 758 759 759 760 760 ... ... @@ -761,7 +761,7 @@ 761 761 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSE01. LSE01 will output system info once power on as below: 762 762 763 763 764 - [[image:1654502050864-459.png]] 768 + [[image:1654502050864-459.png||height="564" width="806"]] 765 765 766 766 767 767 Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]] ... ... @@ -876,20 +876,38 @@ 876 876 877 877 == 4.1 How to change the LoRa Frequency Bands/Region? == 878 878 883 +((( 879 879 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 880 880 When downloading the images, choose the required image file for download. 886 +))) 881 881 888 +((( 889 + 890 +))) 882 882 892 +((( 883 883 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. 894 +))) 884 884 896 +((( 897 + 898 +))) 885 885 900 +((( 886 886 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. 902 +))) 887 887 904 +((( 905 + 906 +))) 888 888 908 +((( 889 889 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. 910 +))) 890 890 891 891 [[image:image-20220606154726-3.png]] 892 892 914 + 893 893 When you use the TTN network, the US915 frequency bands use are: 894 894 895 895 * 903.9 - SF7BW125 to SF10BW125 ... ... @@ -932,7 +932,9 @@ 932 932 933 933 == 5.2 AT Command input doesn’t work == 934 934 957 +((( 935 935 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. 959 +))) 936 936 937 937 938 938 == 5.3 Device rejoin in at the second uplink packet == ... ... @@ -944,7 +944,9 @@ 944 944 945 945 (% style="color:#4f81bd" %)**Cause for this issue:** 946 946 971 +((( 947 947 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. 973 +))) 948 948 949 949 950 950 (% style="color:#4f81bd" %)**Solution: ** ... ... @@ -951,7 +951,7 @@ 951 951 952 952 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: 953 953 954 -[[image:1654500929571-736.png]] 980 +[[image:1654500929571-736.png||height="458" width="832"]] 955 955 956 956 957 957 = 6. Order Info =