Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Last modified by Bei Jinggeng on 2024/05/31 09:53
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -58,7 +58,6 @@ 58 58 * IP66 Waterproof Enclosure 59 59 * 4000mAh or 8500mAh Battery for long term use 60 60 61 - 62 62 == 1.3 Specification == 63 63 64 64 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. ... ... @@ -90,7 +90,7 @@ 90 90 ))) 91 91 92 92 ((( 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"]].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"]]. 94 94 ))) 95 95 96 96 ... ... @@ -631,8 +631,6 @@ 631 631 * Solid ON for 5 seconds once device successful Join the network. 632 632 * Blink once when device transmit a packet. 633 633 634 - 635 - 636 636 == 2.9 Installation in Soil == 637 637 638 638 **Measurement the soil surface** ... ... @@ -880,38 +880,20 @@ 880 880 881 881 == 4.1 How to change the LoRa Frequency Bands/Region? == 882 882 883 -((( 884 884 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 885 885 When downloading the images, choose the required image file for download. 886 -))) 887 887 888 -((( 889 - 890 -))) 891 891 892 -((( 893 893 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 -))) 895 895 896 -((( 897 - 898 -))) 899 899 900 -((( 901 901 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 -))) 903 903 904 -((( 905 - 906 -))) 907 907 908 -((( 909 909 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 -))) 911 911 912 912 [[image:image-20220606154726-3.png]] 913 913 914 - 915 915 When you use the TTN network, the US915 frequency bands use are: 916 916 917 917 * 903.9 - SF7BW125 to SF10BW125 ... ... @@ -954,9 +954,7 @@ 954 954 955 955 == 5.2 AT Command input doesn’t work == 956 956 957 -((( 958 958 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 -))) 960 960 961 961 962 962 == 5.3 Device rejoin in at the second uplink packet == ... ... @@ -968,9 +968,7 @@ 968 968 969 969 (% style="color:#4f81bd" %)**Cause for this issue:** 970 970 971 -((( 972 972 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 -))) 974 974 975 975 976 976 (% style="color:#4f81bd" %)**Solution: ** ... ... @@ -977,7 +977,7 @@ 977 977 978 978 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: 979 979 980 -[[image:1654500929571-736.png ||height="458" width="832"]]955 +[[image:1654500929571-736.png]] 981 981 982 982 983 983 = 6. Order Info =