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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... ... @@ -831,6 +831,7 @@ 831 831 832 832 833 833 834 + 834 834 ==== **RS485 command timeout** ==== 835 835 836 836 ((( ... ... @@ -886,6 +886,7 @@ 886 886 887 887 888 888 890 + 889 889 ==== **Uplink payload mode** ==== 890 890 891 891 ((( ... ... @@ -935,124 +935,248 @@ 935 935 936 936 ==== **Manually trigger an Uplink** ==== 937 937 940 +((( 938 938 Ask device to send an uplink immediately. 942 +))) 939 939 940 -* **AT Command:** 944 +* ((( 945 +**AT Command:** 946 +))) 941 941 948 +((( 942 942 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 950 +))) 943 943 952 +((( 953 + 954 +))) 944 944 945 -* **Downlink Payload:** 956 +* ((( 957 +**Downlink Payload:** 958 +))) 946 946 960 +((( 947 947 **0x08 FF**, RS485-LN will immediately send an uplink. 962 +))) 948 948 949 949 950 950 966 + 951 951 ==== **Clear RS485 Command** ==== 952 952 969 +((( 953 953 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 971 +))) 954 954 955 -* **AT Command:** 973 +* ((( 974 +**AT Command:** 975 +))) 956 956 977 +((( 957 957 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 979 +))) 958 958 981 +((( 959 959 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 983 +))) 960 960 985 +((( 961 961 Example screen shot after clear all RS485 commands. 987 +))) 962 962 989 +((( 990 + 991 +))) 963 963 993 +((( 964 964 The uplink screen shot is: 995 +))) 965 965 966 966 [[image:1654160691922-496.png]] 967 967 968 968 969 -* **Downlink Payload:** 1000 +* ((( 1001 +**Downlink Payload:** 1002 +))) 970 970 1004 +((( 971 971 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1006 +))) 972 972 973 973 974 974 1010 + 975 975 ==== **Set Serial Communication Parameters** ==== 976 976 1013 +((( 977 977 Set the Rs485 serial communication parameters: 1015 +))) 978 978 979 -* **AT Command:** 1017 +* ((( 1018 +**AT Command:** 1019 +))) 980 980 1021 +((( 981 981 Set Baud Rate: 1023 +))) 982 982 983 983 (% class="box infomessage" %) 984 984 ((( 1027 +((( 985 985 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 986 986 ))) 1030 +))) 987 987 1032 +((( 988 988 Set UART Parity 1034 +))) 989 989 990 990 (% class="box infomessage" %) 991 991 ((( 1038 +((( 992 992 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 993 993 ))) 1041 +))) 994 994 1043 +((( 995 995 Set STOPBIT 1045 +))) 996 996 997 997 (% class="box infomessage" %) 998 998 ((( 1049 +((( 999 999 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1000 1000 ))) 1052 +))) 1001 1001 1054 +((( 1055 + 1056 +))) 1002 1002 1003 -* **Downlink Payload:** 1058 +* ((( 1059 +**Downlink Payload:** 1060 +))) 1004 1004 1062 +((( 1005 1005 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1064 +))) 1006 1006 1066 +((( 1007 1007 **Example:** 1068 +))) 1008 1008 1009 -* A7 01 00 60 same as AT+BAUDR=9600 1010 -* 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 +))) 1011 1011 1077 +((( 1012 1012 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1079 +))) 1013 1013 1081 +((( 1014 1014 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1083 +))) 1015 1015 1016 1016 1086 + 1087 + 1017 1017 == 3.6 Listening mode for RS485 network == 1018 1018 1090 +((( 1019 1019 This feature support since firmware v1.4 1092 +))) 1020 1020 1094 +((( 1021 1021 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 +))) 1022 1022 1023 1023 [[image:image-20220602171200-8.png||height="567" width="1007"]] 1024 1024 1100 +((( 1025 1025 To enable the listening mode, use can run the command AT+RXMODE. 1102 +))) 1026 1026 1104 +((( 1105 + 1106 +))) 1027 1027 1028 -(% border="1" style="background-color:#ffffcc; width:500px" %) 1029 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 1030 -|(% 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. 1031 -|(% 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 1032 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 1033 -|(% 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 +))) 1034 1034 1135 +((( 1035 1035 **Downlink Command:** 1137 +))) 1036 1036 1139 +((( 1037 1037 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1141 +))) 1038 1038 1143 +((( 1144 + 1145 +))) 1039 1039 1147 +((( 1040 1040 **Example**: 1149 +))) 1041 1041 1151 +((( 1042 1042 The RS485-LN is set to AT+RXMODE=2,1000 1153 +))) 1043 1043 1155 +((( 1044 1044 There is a two Modbus commands in the RS485 network as below: 1157 +))) 1045 1045 1159 +((( 1046 1046 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1161 +))) 1047 1047 1163 +((( 1048 1048 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1165 +))) 1049 1049 1167 +((( 1050 1050 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 +))) 1051 1051 1171 +((( 1052 1052 [[image:image-20220602171200-9.png]] 1173 +))) 1053 1053 1175 +((( 1176 + 1177 +))) 1054 1054 1179 +((( 1055 1055 (% 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 +))) 1056 1056 1057 1057 1058 1058 == 3.7 Buttons == ... ... @@ -1064,6 +1064,8 @@ 1064 1064 |**RST**|(% style="width:1420px" %)Reboot RS485 1065 1065 |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1066 1066 1193 + 1194 + 1067 1067 == 3.8 LEDs == 1068 1068 1069 1069 (% border="1" style="background-color:#f7faff; width:500px" %)