Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -283,28 +283,28 @@ 283 283 ))) 284 284 285 285 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 286 -|=(% style="width: 120px;" %)(((286 +|=(% style="width: 80px;" %)((( 287 287 ((( 288 288 **AT Commands** 289 289 ))) 290 -)))|=(% style="width: 1 90px;" %)(((290 +)))|=(% style="width: 210px;" %)((( 291 291 ((( 292 292 **Description** 293 293 ))) 294 -)))|=(% style="width: 1 90px;" %)(((294 +)))|=(% style="width: 2100px;" %)((( 295 295 ((( 296 296 **Example** 297 297 ))) 298 298 ))) 299 -|(% style="width: 120px" %)(((299 +|(% style="width:80px" %)((( 300 300 ((( 301 301 AT+BAUDR 302 302 ))) 303 -)))|(% style="width:1 90px" %)(((303 +)))|(% style="width:210px" %)((( 304 304 ((( 305 305 Set the baud rate (for RS485 connection). Default Value is: 9600. 306 306 ))) 307 -)))|(% style="width:1 90px" %)(((307 +)))|(% style="width:210px" %)((( 308 308 ((( 309 309 ((( 310 310 AT+BAUDR=9600 ... ... @@ -317,11 +317,11 @@ 317 317 ))) 318 318 ))) 319 319 ))) 320 -|(% style="width: 120px" %)(((320 +|(% style="width:80px" %)((( 321 321 ((( 322 322 AT+PARITY 323 323 ))) 324 -)))|(% style="width:1 90px" %)(((324 +)))|(% style="width:210px" %)((( 325 325 ((( 326 326 ((( 327 327 Set UART parity (for RS485 connection) ... ... @@ -333,7 +333,7 @@ 333 333 Default Value is: no parity. 334 334 ))) 335 335 ))) 336 -)))|(% style="width:1 90px" %)(((336 +)))|(% style="width:210px" %)((( 337 337 ((( 338 338 ((( 339 339 AT+PARITY=0 ... ... @@ -346,11 +346,11 @@ 346 346 ))) 347 347 ))) 348 348 ))) 349 -|(% style="width: 120px" %)(((349 +|(% style="width:80px" %)((( 350 350 ((( 351 351 AT+STOPBIT 352 352 ))) 353 -)))|(% style="width:1 90px" %)(((353 +)))|(% style="width:210px" %)((( 354 354 ((( 355 355 ((( 356 356 Set serial stopbit (for RS485 connection) ... ... @@ -362,7 +362,7 @@ 362 362 Default Value is: 1bit. 363 363 ))) 364 364 ))) 365 -)))|(% style="width:1 90px" %)(((365 +)))|(% style="width:210px" %)((( 366 366 ((( 367 367 ((( 368 368 AT+STOPBIT=0 for 1bit ... ... @@ -383,7 +383,6 @@ 383 383 ))) 384 384 385 385 386 - 387 387 === 3.3.2 Configure sensors === 388 388 389 389 ((( ... ... @@ -395,14 +395,14 @@ 395 395 ))) 396 396 397 397 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 398 -|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**399 -|AT+CFGDEV|(% style="width: 120px" %)(((397 +|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example** 398 +|AT+CFGDEV|(% style="width:80px" %)((( 400 400 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 401 401 402 402 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 403 403 404 404 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 405 -)))|(% style="width:1 90px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m404 +)))|(% style="width:210px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 406 406 407 407 Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 408 408 ... ... @@ -510,6 +510,10 @@ 510 510 ))) 511 511 512 512 ((( 512 + 513 +))) 514 + 515 +((( 513 513 **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 514 514 ))) 515 515 ... ... @@ -868,7 +868,7 @@ 868 868 ))) 869 869 870 870 ((( 871 - **}**874 +} 872 872 873 873 874 874 ))) ... ... @@ -882,16 +882,23 @@ 882 882 883 883 == 3.5 Configure RS485-BL via AT or Downlink == 884 884 888 +((( 885 885 User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands 890 +))) 886 886 892 +((( 887 887 There are two kinds of Commands: 894 +))) 888 888 889 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 896 +* ((( 897 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 898 +))) 890 890 891 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 900 +* ((( 901 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 902 +))) 892 892 893 893 894 - 895 895 === 3.5.1 Common Commands: === 896 896 897 897 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] ... ... @@ -900,6 +900,7 @@ 900 900 === 3.5.2 Sensor related commands: === 901 901 902 902 913 + 903 903 ==== **Choose Device Type (RS485 or TTL)** ==== 904 904 905 905 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. ... ... @@ -926,51 +926,101 @@ 926 926 927 927 ==== **RS485 Debug Command (AT+CFGDEV)** ==== 928 928 940 +((( 929 929 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 942 +))) 930 930 931 -* **AT Command** 944 +* ((( 945 +**AT Command** 946 +))) 932 932 933 933 (% class="box infomessage" %) 934 934 ((( 950 +((( 935 935 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 936 936 ))) 953 +))) 937 937 955 +((( 938 938 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 957 +))) 939 939 959 +((( 960 + 961 +))) 940 940 941 -* **Downlink Payload** 963 +* ((( 964 +**Downlink Payload** 965 +))) 942 942 967 +((( 943 943 Format: A8 MM NN XX XX XX XX YY 969 +))) 944 944 971 +((( 945 945 Where: 973 +))) 946 946 947 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 948 -* NN: The length of RS485 command 949 -* XX XX XX XX: RS485 command total NN bytes 950 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 975 +* ((( 976 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 977 +))) 978 +* ((( 979 +NN: The length of RS485 command 980 +))) 981 +* ((( 982 +XX XX XX XX: RS485 command total NN bytes 983 +))) 984 +* ((( 985 +YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 986 +))) 951 951 988 +((( 952 952 **Example 1:** 990 +))) 953 953 992 +((( 954 954 To connect a Modbus Alarm with below commands. 994 +))) 955 955 956 -* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 996 +* ((( 997 +The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 998 +))) 957 957 958 -* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 1000 +* ((( 1001 +The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 1002 +))) 959 959 1004 +((( 960 960 So if user want to use downlink command to control to RS485 Alarm, he can use: 1006 +))) 961 961 1008 +((( 962 962 (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 1010 +))) 963 963 1012 +((( 964 964 (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 1014 +))) 965 965 1016 +((( 966 966 A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output. 1018 +))) 967 967 1020 +((( 1021 + 1022 +))) 968 968 1024 +((( 969 969 **Example 2:** 1026 +))) 970 970 1028 +((( 971 971 Check TTL Sensor return: 1030 +))) 972 972 1032 +((( 973 973 [[image:1654132684752-193.png]] 1034 +))) 974 974 975 975 976 976 ... ... @@ -996,87 +996,171 @@ 996 996 997 997 998 998 1060 + 999 999 ==== **Set RS485 Sampling Commands** ==== 1000 1000 1063 +((( 1001 1001 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 1065 +))) 1002 1002 1067 +((( 1003 1003 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"]]. 1069 +))) 1004 1004 1071 +((( 1072 + 1073 +))) 1005 1005 1006 -* **AT Command:** 1075 +* ((( 1076 +**AT Command:** 1077 +))) 1007 1007 1008 1008 (% class="box infomessage" %) 1009 1009 ((( 1081 +((( 1010 1010 **AT+COMMANDx: Configure RS485 read command to sensor.** 1011 1011 ))) 1084 +))) 1012 1012 1013 1013 (% class="box infomessage" %) 1014 1014 ((( 1088 +((( 1015 1015 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 1016 1016 ))) 1091 +))) 1017 1017 1018 1018 (% class="box infomessage" %) 1019 1019 ((( 1095 +((( 1020 1020 **AT+SEARCHx: Configure search command** 1021 1021 ))) 1098 +))) 1022 1022 1100 +((( 1101 + 1102 +))) 1023 1023 1024 -* **Downlink Payload:** 1104 +* ((( 1105 +**Downlink Payload:** 1106 +))) 1025 1025 1108 +((( 1026 1026 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 1110 +))) 1027 1027 1112 +((( 1028 1028 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 1114 +))) 1029 1029 1116 +((( 1030 1030 Format: AF MM NN LL XX XX XX XX YY 1118 +))) 1031 1031 1120 +((( 1032 1032 Where: 1122 +))) 1033 1033 1034 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1035 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1036 -* LL: The length of AT+COMMAND or AT+DATACUT command 1037 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 1038 -* 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. 1124 +* ((( 1125 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1126 +))) 1127 +* ((( 1128 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1129 +))) 1130 +* ((( 1131 +LL: The length of AT+COMMAND or AT+DATACUT command 1132 +))) 1133 +* ((( 1134 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 1135 +))) 1136 +* ((( 1137 +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. 1138 +))) 1039 1039 1140 +((( 1040 1040 **Example:** 1142 +))) 1041 1041 1144 +((( 1042 1042 (% 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 1146 +))) 1043 1043 1148 +((( 1044 1044 (% 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** 1150 +))) 1045 1045 1152 +((( 1046 1046 (% 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** 1154 +))) 1047 1047 1156 +((( 1157 + 1158 +))) 1048 1048 1160 +((( 1049 1049 **0xAB** downlink command can be used for set AT+SEARCHx 1162 +))) 1050 1050 1164 +((( 1051 1051 **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 1166 +))) 1052 1052 1053 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1054 -* 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 1168 +* ((( 1169 +AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1170 +))) 1171 +* ((( 1172 +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 1173 +))) 1055 1055 1175 +((( 1056 1056 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 1177 +))) 1057 1057 1058 1058 1059 1059 1181 + 1060 1060 ==== **Fast command to handle MODBUS device** ==== 1061 1061 1184 +((( 1062 1062 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]]. 1186 +))) 1063 1063 1188 +((( 1064 1064 This command is valid since v1.3 firmware version 1190 +))) 1065 1065 1192 +((( 1193 + 1194 +))) 1066 1066 1196 +((( 1067 1067 **AT+MBFUN has only two value:** 1198 +))) 1068 1068 1069 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 1200 +* ((( 1201 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 1202 +))) 1070 1070 1204 +((( 1071 1071 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. 1206 +))) 1072 1072 1073 -* **AT+MBFUN=0**: Disable Modbus fast reading. 1208 +* ((( 1209 +**AT+MBFUN=0**: Disable Modbus fast reading. 1210 +))) 1074 1074 1212 +((( 1075 1075 **Example:** 1214 +))) 1076 1076 1077 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 1078 -* 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. 1079 -* 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. 1216 +* ((( 1217 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 1218 +))) 1219 +* ((( 1220 +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. 1221 +))) 1222 +* ((( 1223 +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. 1224 +))) 1080 1080 1081 1081 [[image:1654133913295-597.png]] 1082 1082 ... ... @@ -1084,67 +1084,120 @@ 1084 1084 [[image:1654133954153-643.png]] 1085 1085 1086 1086 1087 -* **Downlink Commands:** 1232 +* ((( 1233 +**Downlink Commands:** 1234 +))) 1088 1088 1236 +((( 1089 1089 **A9 aa** ~-~-> Same as AT+MBFUN=aa 1238 +))) 1090 1090 1091 1091 1092 1092 1242 + 1093 1093 ==== **RS485 command timeout** ==== 1094 1094 1245 +((( 1095 1095 Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action. 1247 +))) 1096 1096 1249 +((( 1097 1097 Default value: 0, range: 0 ~~ 5 seconds 1251 +))) 1098 1098 1253 +((( 1254 + 1255 +))) 1099 1099 1100 -* **AT Command:** 1257 +* ((( 1258 +**AT Command:** 1259 +))) 1101 1101 1102 1102 (% class="box infomessage" %) 1103 1103 ((( 1263 +((( 1104 1104 **AT+CMDDLaa=hex(bb cc)** 1105 1105 ))) 1266 +))) 1106 1106 1268 +((( 1107 1107 **Example:** 1270 +))) 1108 1108 1272 +((( 1109 1109 **AT+CMDDL1=1000** to send the open time to 1000ms 1274 +))) 1110 1110 1276 +((( 1277 + 1278 +))) 1111 1111 1112 -* **Downlink Payload:** 1280 +* ((( 1281 +**Downlink Payload:** 1282 +))) 1113 1113 1284 +((( 1114 1114 0x AA aa bb cc 1286 +))) 1115 1115 1288 +((( 1116 1116 Same as: AT+CMDDLaa=hex(bb cc) 1290 +))) 1117 1117 1292 +((( 1118 1118 **Example:** 1294 +))) 1119 1119 1296 +((( 1120 1120 **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 1298 +))) 1121 1121 1122 1122 1123 1123 1302 + 1124 1124 ==== **Uplink payload mode** ==== 1125 1125 1305 +((( 1126 1126 Define to use one uplink or multiple uplinks for the sampling. 1307 +))) 1127 1127 1309 +((( 1128 1128 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 1311 +))) 1129 1129 1130 -* **AT Command:** 1313 +* ((( 1314 +**AT Command:** 1315 +))) 1131 1131 1132 1132 (% class="box infomessage" %) 1133 1133 ((( 1319 +((( 1134 1134 **AT+DATAUP=0** 1135 1135 ))) 1322 +))) 1136 1136 1137 1137 (% class="box infomessage" %) 1138 1138 ((( 1326 +((( 1139 1139 **AT+DATAUP=1** 1140 1140 ))) 1329 +))) 1141 1141 1331 +((( 1332 + 1333 +))) 1142 1142 1143 -* **Downlink Payload:** 1335 +* ((( 1336 +**Downlink Payload:** 1337 +))) 1144 1144 1339 +((( 1145 1145 **0xAD 00** **~-~->** Same as AT+DATAUP=0 1341 +))) 1146 1146 1343 +((( 1147 1147 **0xAD 01** **~-~->** Same as AT+DATAUP=1 1345 +))) 1148 1148 1149 1149 1150 1150 ... ... @@ -1162,131 +1162,248 @@ 1162 1162 1163 1163 ==== **Clear RS485 Command** ==== 1164 1164 1363 +((( 1165 1165 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 1365 +))) 1166 1166 1367 +((( 1368 + 1369 +))) 1167 1167 1168 -* **AT Command:** 1371 +* ((( 1372 +**AT Command:** 1373 +))) 1169 1169 1375 +((( 1170 1170 (% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1377 +))) 1171 1171 1379 +((( 1172 1172 Example screen shot after clear all RS485 commands. 1381 +))) 1173 1173 1383 +((( 1384 + 1385 +))) 1174 1174 1387 +((( 1175 1175 The uplink screen shot is: 1389 +))) 1176 1176 1391 +((( 1177 1177 [[image:1654134704555-320.png]] 1393 +))) 1178 1178 1395 +((( 1396 + 1397 +))) 1179 1179 1180 -* **Downlink Payload:** 1399 +* ((( 1400 +**Downlink Payload:** 1401 +))) 1181 1181 1403 +((( 1182 1182 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1405 +))) 1183 1183 1184 1184 1185 1185 1409 + 1186 1186 ==== **Set Serial Communication Parameters** ==== 1187 1187 1412 +((( 1188 1188 Set the Rs485 serial communication parameters: 1414 +))) 1189 1189 1190 -* **AT Command:** 1416 +* ((( 1417 +**AT Command:** 1418 +))) 1191 1191 1420 +((( 1192 1192 Set Baud Rate: 1422 +))) 1193 1193 1194 1194 (% class="box infomessage" %) 1195 1195 ((( 1426 +((( 1196 1196 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1197 1197 ))) 1429 +))) 1198 1198 1431 +((( 1199 1199 Set UART Parity 1433 +))) 1200 1200 1201 1201 (% class="box infomessage" %) 1202 1202 ((( 1437 +((( 1203 1203 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1204 1204 ))) 1440 +))) 1205 1205 1442 +((( 1206 1206 Set STOPBIT 1444 +))) 1207 1207 1208 1208 (% class="box infomessage" %) 1209 1209 ((( 1448 +((( 1210 1210 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1211 1211 ))) 1451 +))) 1212 1212 1453 +((( 1454 + 1455 +))) 1213 1213 1214 -* **Downlink Payload:** 1457 +* ((( 1458 +**Downlink Payload:** 1459 +))) 1215 1215 1461 +((( 1216 1216 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1463 +))) 1217 1217 1465 +((( 1218 1218 **Example:** 1467 +))) 1219 1219 1220 -* A7 01 00 60 same as AT+BAUDR=9600 1221 -* A7 01 04 80 same as AT+BAUDR=115200 1469 +* ((( 1470 +A7 01 00 60 same as AT+BAUDR=9600 1471 +))) 1472 +* ((( 1473 +A7 01 04 80 same as AT+BAUDR=115200 1474 +))) 1222 1222 1476 +((( 1223 1223 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1478 +))) 1224 1224 1480 +((( 1225 1225 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1482 +))) 1226 1226 1227 1227 1228 1228 1486 + 1229 1229 ==== **Control output power duration** ==== 1230 1230 1489 +((( 1231 1231 User can set the output power duration before each sampling. 1491 +))) 1232 1232 1233 -* **AT Command:** 1493 +* ((( 1494 +**AT Command:** 1495 +))) 1234 1234 1497 +((( 1235 1235 **Example:** 1499 +))) 1236 1236 1501 +((( 1237 1237 **AT+3V3T=1000** ~/~/ 3V3 output power will open 1s before each sampling. 1503 +))) 1238 1238 1505 +((( 1239 1239 **AT+5VT=1000** ~/~/ +5V output power will open 1s before each sampling. 1507 +))) 1240 1240 1509 +((( 1510 + 1511 +))) 1241 1241 1242 -* **LoRaWAN Downlink Command:** 1513 +* ((( 1514 +**LoRaWAN Downlink Command:** 1515 +))) 1243 1243 1517 +((( 1244 1244 **07 01 aa bb** Same as AT+5VT=(aa bb) 1519 +))) 1245 1245 1521 +((( 1246 1246 **07 02 aa bb** Same as AT+3V3T=(aa bb) 1523 +))) 1247 1247 1248 1248 1249 1249 1250 1250 == 3.6 Buttons == 1251 1251 1252 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %) 1529 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %) 1253 1253 |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature** 1254 1254 |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL 1255 1255 1533 + 1256 1256 == 3.7 +3V3 Output == 1257 1257 1536 +((( 1258 1258 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1538 +))) 1259 1259 1540 +((( 1260 1260 The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 1542 +))) 1261 1261 1544 +((( 1262 1262 The +3V3 output time can be controlled by AT Command. 1546 +))) 1263 1263 1548 +((( 1549 + 1550 +))) 1264 1264 1552 +((( 1265 1265 (% style="color:#037691" %)**AT+3V3T=1000** 1554 +))) 1266 1266 1556 +((( 1557 + 1558 +))) 1267 1267 1560 +((( 1268 1268 Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1562 +))) 1269 1269 1564 +((( 1270 1270 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1566 +))) 1271 1271 1272 1272 1273 1273 == 3.8 +5V Output == 1274 1274 1571 +((( 1275 1275 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 1573 +))) 1276 1276 1575 +((( 1277 1277 The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 1577 +))) 1278 1278 1579 +((( 1279 1279 The 5V output time can be controlled by AT Command. 1581 +))) 1280 1280 1583 +((( 1584 + 1585 +))) 1281 1281 1587 +((( 1282 1282 (% style="color:#037691" %)**AT+5VT=1000** 1589 +))) 1283 1283 1591 +((( 1592 + 1593 +))) 1284 1284 1595 +((( 1285 1285 Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors. 1597 +))) 1286 1286 1599 +((( 1287 1287 By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 1601 +))) 1288 1288 1289 1289 1604 + 1290 1290 == 3.9 LEDs == 1291 1291 1292 1292 (% border="1" style="background-color:#ffffcc; color:green; width:332px" %) ... ... @@ -1293,6 +1293,7 @@ 1293 1293 |=**LEDs**|=(% style="width: 274px;" %)**Feature** 1294 1294 |**LED1**|(% style="width:274px" %)Blink when device transmit a packet. 1295 1295 1611 + 1296 1296 == 3.10 Switch Jumper == 1297 1297 1298 1298 (% border="1" style="background-color:#ffffcc; color:green; width:515px" %) ... ... @@ -1308,9 +1308,13 @@ 1308 1308 3.3v position: set to compatible with 3.3v I/O., 1309 1309 ))) 1310 1310 1627 +((( 1311 1311 **+3.3V**: is always ON 1629 +))) 1312 1312 1631 +((( 1313 1313 **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1633 +))) 1314 1314 1315 1315 1316 1316 = 4. Case Study = ... ... @@ -1322,17 +1322,23 @@ 1322 1322 1323 1323 == 5.1 Access AT Command == 1324 1324 1645 +((( 1325 1325 RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 1647 +))) 1326 1326 1327 1327 [[image:1654135840598-282.png]] 1328 1328 1329 1329 1652 +((( 1330 1330 In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference: 1654 +))) 1331 1331 1332 1332 [[image:1654136105500-922.png]] 1333 1333 1334 1334 1659 +((( 1335 1335 More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] 1661 +))) 1336 1336 1337 1337 1338 1338 == 5.2 Common AT Command Sequence == ... ... @@ -1357,7 +1357,9 @@ 1357 1357 ))) 1358 1358 1359 1359 1686 +((( 1360 1360 If device already joined network: 1688 +))) 1361 1361 1362 1362 (% class="box infomessage" %) 1363 1363 ((( ... ... @@ -1396,10 +1396,12 @@ 1396 1396 1397 1397 (% style="color:red" %)**Note:** 1398 1398 1727 +((( 1399 1399 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1400 1400 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1401 1401 3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1402 1402 4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 1732 +))) 1403 1403 1404 1404 [[image:1654136435598-589.png]] 1405 1405 ... ... @@ -1408,13 +1408,23 @@ 1408 1408 1409 1409 == 6.1 How to upgrade the image? == 1410 1410 1741 +((( 1411 1411 The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to: 1743 +))) 1412 1412 1413 -* Support new features 1414 -* For bug fix 1415 -* Change LoRaWAN bands. 1745 +* ((( 1746 +Support new features 1747 +))) 1748 +* ((( 1749 +For bug fix 1750 +))) 1751 +* ((( 1752 +Change LoRaWAN bands. 1753 +))) 1416 1416 1755 +((( 1417 1417 Below shows the hardware connection for how to upload an image to RS485-BL: 1757 +))) 1418 1418 1419 1419 [[image:1654136646995-976.png]] 1420 1420 ... ... @@ -1480,6 +1480,7 @@ 1480 1480 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1481 1481 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1482 1482 1823 + 1483 1483 = 9. Packing Info = 1484 1484 1485 1485 (((