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 ... ... @@ -382,8 +382,6 @@ 382 382 ))) 383 383 ))) 384 384 385 - 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" %)(((396 +|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example** 397 +|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,m403 +)))|(% 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 ((( 511 + 512 +))) 513 + 514 +((( 513 513 **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 514 514 ))) 515 515 ... ... @@ -823,26 +823,8 @@ 823 823 824 824 == 3.4 Uplink Payload == 825 825 826 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %) 827 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands** 828 -|Value|(% style="width:130px" %)((( 829 -((( 830 -Battery(mV) 831 -))) 828 +[[image:image-20220606105412-1.png]] 832 832 833 -((( 834 -& 835 -))) 836 - 837 -((( 838 -Interrupt _Flag 839 -))) 840 -)))|(% style="width:93px" %)((( 841 -PAYLOAD_VER 842 - 843 - 844 -)))|(% style="width:509px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 845 - 846 846 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 847 847 848 848 ((( ... ... @@ -886,7 +886,7 @@ 886 886 ))) 887 887 888 888 ((( 889 - **}**873 +} 890 890 891 891 892 892 ))) ... ... @@ -900,13 +900,21 @@ 900 900 901 901 == 3.5 Configure RS485-BL via AT or Downlink == 902 902 887 +((( 903 903 User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands 889 +))) 904 904 891 +((( 905 905 There are two kinds of Commands: 893 +))) 906 906 907 -* (% 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]] 895 +* ((( 896 +(% 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]] 897 +))) 908 908 909 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 899 +* ((( 900 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 901 +))) 910 910 911 911 === 3.5.1 Common Commands: === 912 912 ... ... @@ -916,6 +916,7 @@ 916 916 === 3.5.2 Sensor related commands: === 917 917 918 918 911 + 919 919 ==== **Choose Device Type (RS485 or TTL)** ==== 920 920 921 921 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. ... ... @@ -939,57 +939,109 @@ 939 939 940 940 941 941 935 + 942 942 ==== **RS485 Debug Command (AT+CFGDEV)** ==== 943 943 938 +((( 944 944 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 940 +))) 945 945 946 -* **AT Command** 942 +* ((( 943 +**AT Command** 944 +))) 947 947 948 948 (% class="box infomessage" %) 949 949 ((( 948 +((( 950 950 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 951 951 ))) 951 +))) 952 952 953 +((( 953 953 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 955 +))) 954 954 957 +((( 958 + 959 +))) 955 955 956 -* **Downlink Payload** 961 +* ((( 962 +**Downlink Payload** 963 +))) 957 957 965 +((( 958 958 Format: A8 MM NN XX XX XX XX YY 967 +))) 959 959 969 +((( 960 960 Where: 971 +))) 961 961 962 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 963 -* NN: The length of RS485 command 964 -* XX XX XX XX: RS485 command total NN bytes 965 -* 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 973 +* ((( 974 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 975 +))) 976 +* ((( 977 +NN: The length of RS485 command 978 +))) 979 +* ((( 980 +XX XX XX XX: RS485 command total NN bytes 981 +))) 982 +* ((( 983 +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 984 +))) 966 966 986 +((( 967 967 **Example 1:** 988 +))) 968 968 990 +((( 969 969 To connect a Modbus Alarm with below commands. 992 +))) 970 970 971 -* 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. 994 +* ((( 995 +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 +))) 972 972 973 -* 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. 998 +* ((( 999 +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 +))) 974 974 1002 +((( 975 975 So if user want to use downlink command to control to RS485 Alarm, he can use: 1004 +))) 976 976 1006 +((( 977 977 (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 1008 +))) 978 978 1010 +((( 979 979 (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 1012 +))) 980 980 1014 +((( 981 981 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. 1016 +))) 982 982 1018 +((( 1019 + 1020 +))) 983 983 1022 +((( 984 984 **Example 2:** 1024 +))) 985 985 1026 +((( 986 986 Check TTL Sensor return: 1028 +))) 987 987 1030 +((( 988 988 [[image:1654132684752-193.png]] 1032 +))) 989 989 990 990 991 991 992 992 1037 + 993 993 ==== **Set Payload version** ==== 994 994 995 995 This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. ... ... @@ -1010,87 +1010,171 @@ 1010 1010 1011 1011 1012 1012 1058 + 1013 1013 ==== **Set RS485 Sampling Commands** ==== 1014 1014 1061 +((( 1015 1015 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 1063 +))) 1016 1016 1065 +((( 1017 1017 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"]]. 1067 +))) 1018 1018 1069 +((( 1070 + 1071 +))) 1019 1019 1020 -* **AT Command:** 1073 +* ((( 1074 +**AT Command:** 1075 +))) 1021 1021 1022 1022 (% class="box infomessage" %) 1023 1023 ((( 1079 +((( 1024 1024 **AT+COMMANDx: Configure RS485 read command to sensor.** 1025 1025 ))) 1082 +))) 1026 1026 1027 1027 (% class="box infomessage" %) 1028 1028 ((( 1086 +((( 1029 1029 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 1030 1030 ))) 1089 +))) 1031 1031 1032 1032 (% class="box infomessage" %) 1033 1033 ((( 1093 +((( 1034 1034 **AT+SEARCHx: Configure search command** 1035 1035 ))) 1096 +))) 1036 1036 1098 +((( 1099 + 1100 +))) 1037 1037 1038 -* **Downlink Payload:** 1102 +* ((( 1103 +**Downlink Payload:** 1104 +))) 1039 1039 1106 +((( 1040 1040 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 1108 +))) 1041 1041 1110 +((( 1042 1042 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 1112 +))) 1043 1043 1114 +((( 1044 1044 Format: AF MM NN LL XX XX XX XX YY 1116 +))) 1045 1045 1118 +((( 1046 1046 Where: 1120 +))) 1047 1047 1048 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1049 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1050 -* LL: The length of AT+COMMAND or AT+DATACUT command 1051 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 1052 -* 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. 1122 +* ((( 1123 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 1124 +))) 1125 +* ((( 1126 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 1127 +))) 1128 +* ((( 1129 +LL: The length of AT+COMMAND or AT+DATACUT command 1130 +))) 1131 +* ((( 1132 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 1133 +))) 1134 +* ((( 1135 +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. 1136 +))) 1053 1053 1138 +((( 1054 1054 **Example:** 1140 +))) 1055 1055 1142 +((( 1056 1056 (% 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 1144 +))) 1057 1057 1146 +((( 1058 1058 (% 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** 1148 +))) 1059 1059 1150 +((( 1060 1060 (% 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** 1152 +))) 1061 1061 1154 +((( 1155 + 1156 +))) 1062 1062 1158 +((( 1063 1063 **0xAB** downlink command can be used for set AT+SEARCHx 1160 +))) 1064 1064 1162 +((( 1065 1065 **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 1164 +))) 1066 1066 1067 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1068 -* 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 1166 +* ((( 1167 +AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 1168 +))) 1169 +* ((( 1170 +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 1171 +))) 1069 1069 1173 +((( 1070 1070 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 1175 +))) 1071 1071 1072 1072 1073 1073 1179 + 1074 1074 ==== **Fast command to handle MODBUS device** ==== 1075 1075 1182 +((( 1076 1076 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]]. 1184 +))) 1077 1077 1186 +((( 1078 1078 This command is valid since v1.3 firmware version 1188 +))) 1079 1079 1190 +((( 1191 + 1192 +))) 1080 1080 1194 +((( 1081 1081 **AT+MBFUN has only two value:** 1196 +))) 1082 1082 1083 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 1198 +* ((( 1199 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 1200 +))) 1084 1084 1202 +((( 1085 1085 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. 1204 +))) 1086 1086 1087 -* **AT+MBFUN=0**: Disable Modbus fast reading. 1206 +* ((( 1207 +**AT+MBFUN=0**: Disable Modbus fast reading. 1208 +))) 1088 1088 1210 +((( 1089 1089 **Example:** 1212 +))) 1090 1090 1091 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 1092 -* 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. 1093 -* 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. 1214 +* ((( 1215 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 1216 +))) 1217 +* ((( 1218 +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. 1219 +))) 1220 +* ((( 1221 +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. 1222 +))) 1094 1094 1095 1095 [[image:1654133913295-597.png]] 1096 1096 ... ... @@ -1098,67 +1098,120 @@ 1098 1098 [[image:1654133954153-643.png]] 1099 1099 1100 1100 1101 -* **Downlink Commands:** 1230 +* ((( 1231 +**Downlink Commands:** 1232 +))) 1102 1102 1234 +((( 1103 1103 **A9 aa** ~-~-> Same as AT+MBFUN=aa 1236 +))) 1104 1104 1105 1105 1106 1106 1240 + 1107 1107 ==== **RS485 command timeout** ==== 1108 1108 1243 +((( 1109 1109 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. 1245 +))) 1110 1110 1247 +((( 1111 1111 Default value: 0, range: 0 ~~ 5 seconds 1249 +))) 1112 1112 1251 +((( 1252 + 1253 +))) 1113 1113 1114 -* **AT Command:** 1255 +* ((( 1256 +**AT Command:** 1257 +))) 1115 1115 1116 1116 (% class="box infomessage" %) 1117 1117 ((( 1261 +((( 1118 1118 **AT+CMDDLaa=hex(bb cc)** 1119 1119 ))) 1264 +))) 1120 1120 1266 +((( 1121 1121 **Example:** 1268 +))) 1122 1122 1270 +((( 1123 1123 **AT+CMDDL1=1000** to send the open time to 1000ms 1272 +))) 1124 1124 1274 +((( 1275 + 1276 +))) 1125 1125 1126 -* **Downlink Payload:** 1278 +* ((( 1279 +**Downlink Payload:** 1280 +))) 1127 1127 1282 +((( 1128 1128 0x AA aa bb cc 1284 +))) 1129 1129 1286 +((( 1130 1130 Same as: AT+CMDDLaa=hex(bb cc) 1288 +))) 1131 1131 1290 +((( 1132 1132 **Example:** 1292 +))) 1133 1133 1294 +((( 1134 1134 **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 1296 +))) 1135 1135 1136 1136 1137 1137 1300 + 1138 1138 ==== **Uplink payload mode** ==== 1139 1139 1303 +((( 1140 1140 Define to use one uplink or multiple uplinks for the sampling. 1305 +))) 1141 1141 1307 +((( 1142 1142 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 1309 +))) 1143 1143 1144 -* **AT Command:** 1311 +* ((( 1312 +**AT Command:** 1313 +))) 1145 1145 1146 1146 (% class="box infomessage" %) 1147 1147 ((( 1317 +((( 1148 1148 **AT+DATAUP=0** 1149 1149 ))) 1320 +))) 1150 1150 1151 1151 (% class="box infomessage" %) 1152 1152 ((( 1324 +((( 1153 1153 **AT+DATAUP=1** 1154 1154 ))) 1327 +))) 1155 1155 1329 +((( 1330 + 1331 +))) 1156 1156 1157 -* **Downlink Payload:** 1333 +* ((( 1334 +**Downlink Payload:** 1335 +))) 1158 1158 1337 +((( 1159 1159 **0xAD 00** **~-~->** Same as AT+DATAUP=0 1339 +))) 1160 1160 1341 +((( 1161 1161 **0xAD 01** **~-~->** Same as AT+DATAUP=1 1343 +))) 1162 1162 1163 1163 1164 1164 ... ... @@ -1176,131 +1176,247 @@ 1176 1176 1177 1177 ==== **Clear RS485 Command** ==== 1178 1178 1361 +((( 1179 1179 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 1363 +))) 1180 1180 1365 +((( 1366 + 1367 +))) 1181 1181 1182 -* **AT Command:** 1369 +* ((( 1370 +**AT Command:** 1371 +))) 1183 1183 1373 +((( 1184 1184 (% 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 1375 +))) 1185 1185 1377 +((( 1186 1186 Example screen shot after clear all RS485 commands. 1379 +))) 1187 1187 1381 +((( 1382 + 1383 +))) 1188 1188 1385 +((( 1189 1189 The uplink screen shot is: 1387 +))) 1190 1190 1389 +((( 1191 1191 [[image:1654134704555-320.png]] 1391 +))) 1192 1192 1393 +((( 1394 + 1395 +))) 1193 1193 1194 -* **Downlink Payload:** 1397 +* ((( 1398 +**Downlink Payload:** 1399 +))) 1195 1195 1401 +((( 1196 1196 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1403 +))) 1197 1197 1198 1198 1199 1199 1407 + 1200 1200 ==== **Set Serial Communication Parameters** ==== 1201 1201 1410 +((( 1202 1202 Set the Rs485 serial communication parameters: 1412 +))) 1203 1203 1204 -* **AT Command:** 1414 +* ((( 1415 +**AT Command:** 1416 +))) 1205 1205 1418 +((( 1206 1206 Set Baud Rate: 1420 +))) 1207 1207 1208 1208 (% class="box infomessage" %) 1209 1209 ((( 1424 +((( 1210 1210 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1211 1211 ))) 1427 +))) 1212 1212 1429 +((( 1213 1213 Set UART Parity 1431 +))) 1214 1214 1215 1215 (% class="box infomessage" %) 1216 1216 ((( 1435 +((( 1217 1217 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1218 1218 ))) 1438 +))) 1219 1219 1440 +((( 1220 1220 Set STOPBIT 1442 +))) 1221 1221 1222 1222 (% class="box infomessage" %) 1223 1223 ((( 1446 +((( 1224 1224 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1225 1225 ))) 1449 +))) 1226 1226 1451 +((( 1452 + 1453 +))) 1227 1227 1228 -* **Downlink Payload:** 1455 +* ((( 1456 +**Downlink Payload:** 1457 +))) 1229 1229 1459 +((( 1230 1230 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1461 +))) 1231 1231 1463 +((( 1232 1232 **Example:** 1465 +))) 1233 1233 1234 -* A7 01 00 60 same as AT+BAUDR=9600 1235 -* A7 01 04 80 same as AT+BAUDR=115200 1467 +* ((( 1468 +A7 01 00 60 same as AT+BAUDR=9600 1469 +))) 1470 +* ((( 1471 +A7 01 04 80 same as AT+BAUDR=115200 1472 +))) 1236 1236 1474 +((( 1237 1237 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1476 +))) 1238 1238 1478 +((( 1239 1239 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1480 +))) 1240 1240 1241 1241 1242 1242 1484 + 1243 1243 ==== **Control output power duration** ==== 1244 1244 1487 +((( 1245 1245 User can set the output power duration before each sampling. 1489 +))) 1246 1246 1247 -* **AT Command:** 1491 +* ((( 1492 +**AT Command:** 1493 +))) 1248 1248 1495 +((( 1249 1249 **Example:** 1497 +))) 1250 1250 1499 +((( 1251 1251 **AT+3V3T=1000** ~/~/ 3V3 output power will open 1s before each sampling. 1501 +))) 1252 1252 1503 +((( 1253 1253 **AT+5VT=1000** ~/~/ +5V output power will open 1s before each sampling. 1505 +))) 1254 1254 1507 +((( 1508 + 1509 +))) 1255 1255 1256 -* **LoRaWAN Downlink Command:** 1511 +* ((( 1512 +**LoRaWAN Downlink Command:** 1513 +))) 1257 1257 1515 +((( 1258 1258 **07 01 aa bb** Same as AT+5VT=(aa bb) 1517 +))) 1259 1259 1519 +((( 1260 1260 **07 02 aa bb** Same as AT+3V3T=(aa bb) 1521 +))) 1261 1261 1262 1262 1263 1263 1264 1264 == 3.6 Buttons == 1265 1265 1266 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %) 1527 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %) 1267 1267 |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature** 1268 1268 |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL 1269 1269 1270 1270 == 3.7 +3V3 Output == 1271 1271 1533 +((( 1272 1272 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1535 +))) 1273 1273 1537 +((( 1274 1274 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. 1539 +))) 1275 1275 1541 +((( 1276 1276 The +3V3 output time can be controlled by AT Command. 1543 +))) 1277 1277 1545 +((( 1546 + 1547 +))) 1278 1278 1549 +((( 1279 1279 (% style="color:#037691" %)**AT+3V3T=1000** 1551 +))) 1280 1280 1553 +((( 1554 + 1555 +))) 1281 1281 1557 +((( 1282 1282 Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1559 +))) 1283 1283 1561 +((( 1284 1284 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1563 +))) 1285 1285 1286 1286 1287 1287 == 3.8 +5V Output == 1288 1288 1568 +((( 1289 1289 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 1570 +))) 1290 1290 1572 +((( 1291 1291 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. 1574 +))) 1292 1292 1576 +((( 1293 1293 The 5V output time can be controlled by AT Command. 1578 +))) 1294 1294 1580 +((( 1581 + 1582 +))) 1295 1295 1584 +((( 1296 1296 (% style="color:#037691" %)**AT+5VT=1000** 1586 +))) 1297 1297 1588 +((( 1589 + 1590 +))) 1298 1298 1592 +((( 1299 1299 Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors. 1594 +))) 1300 1300 1596 +((( 1301 1301 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. 1598 +))) 1302 1302 1303 1303 1601 + 1304 1304 == 3.9 LEDs == 1305 1305 1306 1306 (% border="1" style="background-color:#ffffcc; color:green; width:332px" %) ... ... @@ -1322,9 +1322,13 @@ 1322 1322 3.3v position: set to compatible with 3.3v I/O., 1323 1323 ))) 1324 1324 1623 +((( 1325 1325 **+3.3V**: is always ON 1625 +))) 1326 1326 1627 +((( 1327 1327 **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1629 +))) 1328 1328 1329 1329 1330 1330 = 4. Case Study = ... ... @@ -1336,17 +1336,23 @@ 1336 1336 1337 1337 == 5.1 Access AT Command == 1338 1338 1641 +((( 1339 1339 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. 1643 +))) 1340 1340 1341 1341 [[image:1654135840598-282.png]] 1342 1342 1343 1343 1648 +((( 1344 1344 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: 1650 +))) 1345 1345 1346 1346 [[image:1654136105500-922.png]] 1347 1347 1348 1348 1655 +((( 1349 1349 More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] 1657 +))) 1350 1350 1351 1351 1352 1352 == 5.2 Common AT Command Sequence == ... ... @@ -1371,7 +1371,9 @@ 1371 1371 ))) 1372 1372 1373 1373 1682 +((( 1374 1374 If device already joined network: 1684 +))) 1375 1375 1376 1376 (% class="box infomessage" %) 1377 1377 ((( ... ... @@ -1410,10 +1410,12 @@ 1410 1410 1411 1411 (% style="color:red" %)**Note:** 1412 1412 1723 +((( 1413 1413 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1414 1414 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1415 1415 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. 1416 1416 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 1728 +))) 1417 1417 1418 1418 [[image:1654136435598-589.png]] 1419 1419 ... ... @@ -1422,13 +1422,23 @@ 1422 1422 1423 1423 == 6.1 How to upgrade the image? == 1424 1424 1737 +((( 1425 1425 The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to: 1739 +))) 1426 1426 1427 -* Support new features 1428 -* For bug fix 1429 -* Change LoRaWAN bands. 1741 +* ((( 1742 +Support new features 1743 +))) 1744 +* ((( 1745 +For bug fix 1746 +))) 1747 +* ((( 1748 +Change LoRaWAN bands. 1749 +))) 1430 1430 1751 +((( 1431 1431 Below shows the hardware connection for how to upload an image to RS485-BL: 1753 +))) 1432 1432 1433 1433 [[image:1654136646995-976.png]] 1434 1434