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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... ... @@ -937,73 +937,40 @@ 937 937 938 938 ==== **Manually trigger an Uplink** ==== 939 939 940 -((( 941 941 Ask device to send an uplink immediately. 942 -))) 943 943 944 -* ((( 945 -**AT Command:** 946 -))) 942 +* **AT Command:** 947 947 948 -((( 949 949 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 950 -))) 951 951 952 -((( 953 - 954 -))) 955 955 956 -* ((( 957 -**Downlink Payload:** 958 -))) 947 +* **Downlink Payload:** 959 959 960 -((( 961 961 **0x08 FF**, RS485-LN will immediately send an uplink. 962 -))) 963 963 964 964 965 965 966 - 967 967 ==== **Clear RS485 Command** ==== 968 968 969 -((( 970 970 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 971 -))) 972 972 973 -* ((( 974 -**AT Command:** 975 -))) 957 +* **AT Command:** 976 976 977 -((( 978 978 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 979 -))) 980 980 981 -((( 982 982 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 983 -))) 984 984 985 -((( 986 986 Example screen shot after clear all RS485 commands. 987 -))) 988 988 989 -((( 990 - 991 -))) 992 992 993 -((( 994 994 The uplink screen shot is: 995 -))) 996 996 997 997 [[image:1654160691922-496.png]] 998 998 999 999 1000 -* ((( 1001 -**Downlink Payload:** 1002 -))) 971 +* **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 -))) 982 +* **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 -))) 1006 +* **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 -))) 1012 +* A7 01 00 60 same as AT+BAUDR=9600 1013 +* 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 -))) 1031 +(% border="1" style="background-color:#ffffcc; width:500px" %) 1032 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 1033 +|(% 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. 1034 +|(% 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 1035 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 1036 +|(% 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 == ... ... @@ -1190,8 +1190,6 @@ 1190 1190 |**RST**|(% style="width:1420px" %)Reboot RS485 1191 1191 |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1192 1192 1193 - 1194 - 1195 1195 == 3.8 LEDs == 1196 1196 1197 1197 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -1199,8 +1199,6 @@ 1199 1199 |**PWR**|Always on if there is power 1200 1200 |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1201 1201 1202 - 1203 - 1204 1204 = 4. Case Study = 1205 1205 1206 1206 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]