Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -1062,62 +1062,121 @@ 1062 1062 1063 1063 ==== **Set RS485 Sampling Commands** ==== 1064 1064 1065 +((( 1065 1065 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 1067 +))) 1066 1066 1069 +((( 1067 1067 These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 1071 +))) 1068 1068 1073 +((( 1074 + 1075 +))) 1069 1069 1070 -* **AT Command:** 1077 +* ((( 1078 +**AT Command:** 1079 +))) 1071 1071 1072 1072 (% class="box infomessage" %) 1073 1073 ((( 1083 +((( 1074 1074 **AT+COMMANDx: Configure RS485 read command to sensor.** 1075 1075 ))) 1086 +))) 1076 1076 1077 1077 (% class="box infomessage" %) 1078 1078 ((( 1090 +((( 1079 1079 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 1080 1080 ))) 1093 +))) 1081 1081 1082 1082 (% class="box infomessage" %) 1083 1083 ((( 1097 +((( 1084 1084 **AT+SEARCHx: Configure search command** 1085 1085 ))) 1100 +))) 1086 1086 1102 +((( 1103 + 1104 +))) 1087 1087 1088 -* **Downlink Payload:** 1106 +* ((( 1107 +**Downlink Payload:** 1108 +))) 1089 1089 1110 +((( 1090 1090 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 1112 +))) 1091 1091 1114 +((( 1092 1092 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 1116 +))) 1093 1093 1118 +((( 1094 1094 Format: AF MM NN LL XX XX XX XX YY 1120 +))) 1095 1095 1122 +((( 1096 1096 Where: 1124 +))) 1097 1097 1098 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1099 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1100 -* LL: The length of AT+COMMAND or AT+DATACUT command 1101 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 1102 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 1126 +* ((( 1127 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1128 +))) 1129 +* ((( 1130 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1131 +))) 1132 +* ((( 1133 +LL: The length of AT+COMMAND or AT+DATACUT command 1134 +))) 1135 +* ((( 1136 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 1137 +))) 1138 +* ((( 1139 +YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 1140 +))) 1103 1103 1142 +((( 1104 1104 **Example:** 1144 +))) 1105 1105 1146 +((( 1106 1106 (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 1148 +))) 1107 1107 1150 +((( 1108 1108 (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10** 1152 +))) 1109 1109 1154 +((( 1110 1110 (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10** 1156 +))) 1111 1111 1158 +((( 1159 + 1160 +))) 1112 1112 1162 +((( 1113 1113 **0xAB** downlink command can be used for set AT+SEARCHx 1164 +))) 1114 1114 1166 +((( 1115 1115 **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 1168 +))) 1116 1116 1117 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1118 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands 1170 +* ((( 1171 +AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1172 +))) 1173 +* ((( 1174 +AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands 1175 +))) 1119 1119 1177 +((( 1120 1120 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 1179 +))) 1121 1121 1122 1122 1123 1123 ... ... @@ -1124,24 +1124,47 @@ 1124 1124 1125 1125 ==== **Fast command to handle MODBUS device** ==== 1126 1126 1186 +((( 1127 1127 AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]]. 1188 +))) 1128 1128 1190 +((( 1129 1129 This command is valid since v1.3 firmware version 1192 +))) 1130 1130 1194 +((( 1195 + 1196 +))) 1131 1131 1198 +((( 1132 1132 **AT+MBFUN has only two value:** 1200 +))) 1133 1133 1134 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 1202 +* ((( 1203 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 1204 +))) 1135 1135 1206 +((( 1136 1136 AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 1208 +))) 1137 1137 1138 -* **AT+MBFUN=0**: Disable Modbus fast reading. 1210 +* ((( 1211 +**AT+MBFUN=0**: Disable Modbus fast reading. 1212 +))) 1139 1139 1214 +((( 1140 1140 **Example:** 1216 +))) 1141 1141 1142 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 1143 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 1144 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 1218 +* ((( 1219 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 1220 +))) 1221 +* ((( 1222 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 1223 +))) 1224 +* ((( 1225 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 1226 +))) 1145 1145 1146 1146 [[image:1654133913295-597.png]] 1147 1147 ... ... @@ -1149,9 +1149,13 @@ 1149 1149 [[image:1654133954153-643.png]] 1150 1150 1151 1151 1152 -* **Downlink Commands:** 1234 +* ((( 1235 +**Downlink Commands:** 1236 +))) 1153 1153 1238 +((( 1154 1154 **A9 aa** ~-~-> Same as AT+MBFUN=aa 1240 +))) 1155 1155 1156 1156 1157 1157