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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... ... @@ -997,13 +997,9 @@ 997 997 [[image:1654160691922-496.png]] 998 998 999 999 1000 -* ((( 1001 -**Downlink Payload:** 1002 -))) 1000 +* **Downlink Payload:** 1003 1003 1004 -((( 1005 1005 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1006 -))) 1007 1007 1008 1008 1009 1009 ... ... @@ -1010,175 +1010,85 @@ 1010 1010 1011 1011 ==== **Set Serial Communication Parameters** ==== 1012 1012 1013 -((( 1014 1014 Set the Rs485 serial communication parameters: 1015 -))) 1016 1016 1017 -* ((( 1018 -**AT Command:** 1019 -))) 1011 +* **AT Command:** 1020 1020 1021 -((( 1022 1022 Set Baud Rate: 1023 -))) 1024 1024 1025 1025 (% class="box infomessage" %) 1026 1026 ((( 1027 -((( 1028 1028 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1029 1029 ))) 1030 -))) 1031 1031 1032 -((( 1033 1033 Set UART Parity 1034 -))) 1035 1035 1036 1036 (% class="box infomessage" %) 1037 1037 ((( 1038 -((( 1039 1039 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1040 1040 ))) 1041 -))) 1042 1042 1043 -((( 1044 1044 Set STOPBIT 1045 -))) 1046 1046 1047 1047 (% class="box infomessage" %) 1048 1048 ((( 1049 -((( 1050 1050 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1051 1051 ))) 1052 -))) 1053 1053 1054 -((( 1055 - 1056 -))) 1057 1057 1058 -* ((( 1059 -**Downlink Payload:** 1060 -))) 1035 +* **Downlink Payload:** 1061 1061 1062 -((( 1063 1063 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1064 -))) 1065 1065 1066 -((( 1067 1067 **Example:** 1068 -))) 1069 1069 1070 -* ((( 1071 -A7 01 00 60 same as AT+BAUDR=9600 1072 -))) 1073 -* ((( 1074 -A7 01 04 80 same as AT+BAUDR=115200 1075 -))) 1041 +* A7 01 00 60 same as AT+BAUDR=9600 1042 +* A7 01 04 80 same as AT+BAUDR=115200 1076 1076 1077 -((( 1078 1078 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1079 -))) 1080 1080 1081 -((( 1082 1082 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1083 -))) 1084 1084 1085 1085 1086 - 1087 - 1088 1088 == 3.6 Listening mode for RS485 network == 1089 1089 1090 -((( 1091 1091 This feature support since firmware v1.4 1092 -))) 1093 1093 1094 -((( 1095 1095 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 -))) 1097 1097 1098 1098 [[image:image-20220602171200-8.png||height="567" width="1007"]] 1099 1099 1100 -((( 1101 1101 To enable the listening mode, use can run the command AT+RXMODE. 1102 -))) 1103 1103 1104 -((( 1105 - 1106 -))) 1107 1107 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 -))) 1060 +(% border="1" style="background-color:#ffffcc; width:500px" %) 1061 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 1062 +|(% 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. 1063 +|(% 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 1064 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 1065 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1134 1134 1135 -((( 1136 1136 **Downlink Command:** 1137 -))) 1138 1138 1139 -((( 1140 1140 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1141 -))) 1142 1142 1143 -((( 1144 - 1145 -))) 1146 1146 1147 -((( 1148 1148 **Example**: 1149 -))) 1150 1150 1151 -((( 1152 1152 The RS485-LN is set to AT+RXMODE=2,1000 1153 -))) 1154 1154 1155 -((( 1156 1156 There is a two Modbus commands in the RS485 network as below: 1157 -))) 1158 1158 1159 -((( 1160 1160 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1161 -))) 1162 1162 1163 -((( 1164 1164 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1165 -))) 1166 1166 1167 -((( 1168 1168 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 -))) 1170 1170 1171 -((( 1172 1172 [[image:image-20220602171200-9.png]] 1173 -))) 1174 1174 1175 -((( 1176 - 1177 -))) 1178 1178 1179 -((( 1180 1180 (% 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 -))) 1182 1182 1183 1183 1184 1184 == 3.7 Buttons ==