Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -831,183 +831,354 @@ 831 831 832 832 833 833 834 + 834 834 ==== **RS485 command timeout** ==== 835 835 837 +((( 836 836 Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action. 839 +))) 837 837 841 +((( 838 838 Default value: 0, range: 0 ~~ 65 seconds 843 +))) 839 839 840 -* **AT Command:** 845 +* ((( 846 +**AT Command:** 847 +))) 841 841 842 842 (% class="box infomessage" %) 843 843 ((( 851 +((( 844 844 **AT+CMDDLaa=hex(bb cc)*1000** 845 845 ))) 854 +))) 846 846 856 +((( 847 847 **Example:** 858 +))) 848 848 860 +((( 849 849 **AT+CMDDL1=1000** to send the open time to 1000ms 862 +))) 850 850 864 +((( 865 + 866 +))) 851 851 852 -* **Downlink Payload:** 868 +* ((( 869 +**Downlink Payload:** 870 +))) 853 853 872 +((( 854 854 **0x AA aa bb cc** 874 +))) 855 855 876 +((( 856 856 Same as: AT+CMDDLaa=hex(bb cc)*1000 878 +))) 857 857 880 +((( 858 858 **Example:** 882 +))) 859 859 884 +((( 860 860 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 886 +))) 861 861 862 862 863 863 890 + 864 864 ==== **Uplink payload mode** ==== 865 865 893 +((( 866 866 Define to use one uplink or multiple uplinks for the sampling. 895 +))) 867 867 897 +((( 868 868 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 899 +))) 869 869 870 -* **AT Command:** 901 +* ((( 902 +**AT Command:** 903 +))) 871 871 872 872 (% class="box infomessage" %) 873 873 ((( 907 +((( 874 874 **AT+DATAUP=0** 875 875 ))) 910 +))) 876 876 877 877 (% class="box infomessage" %) 878 878 ((( 914 +((( 879 879 **AT+DATAUP=1** 880 880 ))) 917 +))) 881 881 919 +((( 920 + 921 +))) 882 882 883 -* **Downlink Payload:** 923 +* ((( 924 +**Downlink Payload:** 925 +))) 884 884 927 +((( 885 885 **0xAD 00** **~-~->** Same as AT+DATAUP=0 929 +))) 886 886 931 +((( 887 887 **0xAD 01** **~-~->** Same as AT+DATAUP=1 933 +))) 888 888 889 889 890 890 937 + 891 891 ==== **Manually trigger an Uplink** ==== 892 892 940 +((( 893 893 Ask device to send an uplink immediately. 942 +))) 894 894 895 -* **AT Command:** 944 +* ((( 945 +**AT Command:** 946 +))) 896 896 948 +((( 897 897 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 950 +))) 898 898 952 +((( 953 + 954 +))) 899 899 900 -* **Downlink Payload:** 956 +* ((( 957 +**Downlink Payload:** 958 +))) 901 901 960 +((( 902 902 **0x08 FF**, RS485-LN will immediately send an uplink. 962 +))) 903 903 904 904 905 905 966 + 906 906 ==== **Clear RS485 Command** ==== 907 907 969 +((( 908 908 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 971 +))) 909 909 910 -* **AT Command:** 973 +* ((( 974 +**AT Command:** 975 +))) 911 911 977 +((( 912 912 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 979 +))) 913 913 981 +((( 914 914 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 983 +))) 915 915 985 +((( 916 916 Example screen shot after clear all RS485 commands. 987 +))) 917 917 989 +((( 990 + 991 +))) 918 918 993 +((( 919 919 The uplink screen shot is: 995 +))) 920 920 921 921 [[image:1654160691922-496.png]] 922 922 923 923 924 -* **Downlink Payload:** 1000 +* ((( 1001 +**Downlink Payload:** 1002 +))) 925 925 1004 +((( 926 926 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1006 +))) 927 927 928 928 929 929 1010 + 930 930 ==== **Set Serial Communication Parameters** ==== 931 931 1013 +((( 932 932 Set the Rs485 serial communication parameters: 1015 +))) 933 933 934 -* **AT Command:** 1017 +* ((( 1018 +**AT Command:** 1019 +))) 935 935 1021 +((( 936 936 Set Baud Rate: 1023 +))) 937 937 938 938 (% class="box infomessage" %) 939 939 ((( 1027 +((( 940 940 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 941 941 ))) 1030 +))) 942 942 1032 +((( 943 943 Set UART Parity 1034 +))) 944 944 945 945 (% class="box infomessage" %) 946 946 ((( 1038 +((( 947 947 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 948 948 ))) 1041 +))) 949 949 1043 +((( 950 950 Set STOPBIT 1045 +))) 951 951 952 952 (% class="box infomessage" %) 953 953 ((( 1049 +((( 954 954 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 955 955 ))) 1052 +))) 956 956 1054 +((( 1055 + 1056 +))) 957 957 958 -* **Downlink Payload:** 1058 +* ((( 1059 +**Downlink Payload:** 1060 +))) 959 959 1062 +((( 960 960 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1064 +))) 961 961 1066 +((( 962 962 **Example:** 1068 +))) 963 963 964 -* A7 01 00 60 same as AT+BAUDR=9600 965 -* A7 01 04 80 same as AT+BAUDR=115200 1070 +* ((( 1071 +A7 01 00 60 same as AT+BAUDR=9600 1072 +))) 1073 +* ((( 1074 +A7 01 04 80 same as AT+BAUDR=115200 1075 +))) 966 966 1077 +((( 967 967 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1079 +))) 968 968 1081 +((( 969 969 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1083 +))) 970 970 971 971 1086 + 1087 + 972 972 == 3.6 Listening mode for RS485 network == 973 973 1090 +((( 974 974 This feature support since firmware v1.4 1092 +))) 975 975 1094 +((( 976 976 RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 1096 +))) 977 977 978 978 [[image:image-20220602171200-8.png||height="567" width="1007"]] 979 979 1100 +((( 980 980 To enable the listening mode, use can run the command AT+RXMODE. 1102 +))) 981 981 1104 +((( 1105 + 1106 +))) 982 982 983 -(% border="1" style="background-color:#ffffcc; width:500px" %) 984 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 985 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 986 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 987 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 988 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1108 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1109 +|=(% style="width: 161px;" %)((( 1110 +**Command example:** 1111 +)))|=(% style="width: 337px;" %)((( 1112 +**Function** 1113 +))) 1114 +|(% style="width:161px" %)((( 1115 +AT+RXMODE=1,10 1116 +)))|(% style="width:337px" %)((( 1117 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 1118 +))) 1119 +|(% style="width:161px" %)((( 1120 +AT+RXMODE=2,500 1121 +)))|(% style="width:337px" %)((( 1122 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 1123 +))) 1124 +|(% style="width:161px" %)((( 1125 +AT+RXMODE=0,0 1126 +)))|(% style="width:337px" %)((( 1127 +Disable listening mode. This is the default settings. 1128 +))) 1129 +|(% style="width:161px" %)((( 1130 + 1131 +)))|(% style="width:337px" %)((( 1132 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1133 +))) 989 989 1135 +((( 990 990 **Downlink Command:** 1137 +))) 991 991 1139 +((( 992 992 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1141 +))) 993 993 1143 +((( 1144 + 1145 +))) 994 994 1147 +((( 995 995 **Example**: 1149 +))) 996 996 1151 +((( 997 997 The RS485-LN is set to AT+RXMODE=2,1000 1153 +))) 998 998 1155 +((( 999 999 There is a two Modbus commands in the RS485 network as below: 1157 +))) 1000 1000 1159 +((( 1001 1001 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1161 +))) 1002 1002 1163 +((( 1003 1003 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1165 +))) 1004 1004 1167 +((( 1005 1005 RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1169 +))) 1006 1006 1171 +((( 1007 1007 [[image:image-20220602171200-9.png]] 1173 +))) 1008 1008 1175 +((( 1176 + 1177 +))) 1009 1009 1179 +((( 1010 1010 (% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1181 +))) 1011 1011 1012 1012 1013 1013 == 3.7 Buttons == ... ... @@ -1019,6 +1019,8 @@ 1019 1019 |**RST**|(% style="width:1420px" %)Reboot RS485 1020 1020 |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1021 1021 1193 + 1194 + 1022 1022 == 3.8 LEDs == 1023 1023 1024 1024 (% border="1" style="background-color:#f7faff; width:500px" %)