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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.6
edited by Xiaoling
on 2022/06/06 10:56
Change comment: There is no comment for this version
To version 42.3
edited by Xiaoling
on 2022/06/06 12:01
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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: 190px;" %)(((
290 +)))|=(% style="width: 210px;" %)(((
291 291  (((
292 292  **Description**
293 293  )))
294 -)))|=(% style="width: 190px;" %)(((
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:190px" %)(((
303 +)))|(% style="width:210px" %)(((
304 304  (((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 306  )))
307 -)))|(% style="width:190px" %)(((
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:190px" %)(((
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:190px" %)(((
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:190px" %)(((
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:190px" %)(((
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:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
403 +)))|(% 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  
... ... @@ -868,7 +868,7 @@
868 868  )))
869 869  
870 870  (((
871 -**}**
873 +}
872 872  
873 873  
874 874  )))
... ... @@ -882,16 +882,22 @@
882 882  
883 883  == 3.5 Configure RS485-BL via AT or Downlink ==
884 884  
887 +(((
885 885  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
889 +)))
886 886  
891 +(((
887 887  There are two kinds of Commands:
893 +)))
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]]
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 +)))
890 890  
891 -* (% 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 +)))
892 892  
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  
911 +
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  
938 +(((
929 929  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
940 +)))
930 930  
931 -* **AT Command**
942 +* (((
943 +**AT Command**
944 +)))
932 932  
933 933  (% class="box infomessage" %)
934 934  (((
948 +(((
935 935  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
936 936  )))
951 +)))
937 937  
953 +(((
938 938  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
955 +)))
939 939  
957 +(((
958 +
959 +)))
940 940  
941 -* **Downlink Payload**
961 +* (((
962 +**Downlink Payload**
963 +)))
942 942  
965 +(((
943 943  Format: A8 MM NN XX XX XX XX YY
967 +)))
944 944  
969 +(((
945 945  Where:
971 +)))
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
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 +)))
951 951  
986 +(((
952 952  **Example 1:**
988 +)))
953 953  
990 +(((
954 954  To connect a Modbus Alarm with below commands.
992 +)))
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.
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 +)))
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.
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 +)))
959 959  
1002 +(((
960 960  So if user want to use downlink command to control to RS485 Alarm, he can use:
1004 +)))
961 961  
1006 +(((
962 962  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1008 +)))
963 963  
1010 +(((
964 964  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1012 +)))
965 965  
1014 +(((
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.
1016 +)))
967 967  
1018 +(((
1019 +
1020 +)))
968 968  
1022 +(((
969 969  **Example 2:**
1024 +)))
970 970  
1026 +(((
971 971  Check TTL Sensor return:
1028 +)))
972 972  
1030 +(((
973 973  [[image:1654132684752-193.png]]
1032 +)))
974 974  
975 975  
976 976  
... ... @@ -996,87 +996,171 @@
996 996  
997 997  
998 998  
1058 +
999 999  ==== **Set RS485 Sampling Commands** ====
1000 1000  
1061 +(((
1001 1001  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1063 +)))
1002 1002  
1065 +(((
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"]].
1067 +)))
1004 1004  
1069 +(((
1070 +
1071 +)))
1005 1005  
1006 -* **AT Command:**
1073 +* (((
1074 +**AT Command:**
1075 +)))
1007 1007  
1008 1008  (% class="box infomessage" %)
1009 1009  (((
1079 +(((
1010 1010  **AT+COMMANDx: Configure RS485 read command to sensor.**
1011 1011  )))
1082 +)))
1012 1012  
1013 1013  (% class="box infomessage" %)
1014 1014  (((
1086 +(((
1015 1015  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1016 1016  )))
1089 +)))
1017 1017  
1018 1018  (% class="box infomessage" %)
1019 1019  (((
1093 +(((
1020 1020  **AT+SEARCHx: Configure search command**
1021 1021  )))
1096 +)))
1022 1022  
1098 +(((
1099 +
1100 +)))
1023 1023  
1024 -* **Downlink Payload:**
1102 +* (((
1103 +**Downlink Payload:**
1104 +)))
1025 1025  
1106 +(((
1026 1026  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1108 +)))
1027 1027  
1110 +(((
1028 1028  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1112 +)))
1029 1029  
1114 +(((
1030 1030  Format: AF MM NN LL XX XX XX XX YY
1116 +)))
1031 1031  
1118 +(((
1032 1032  Where:
1120 +)))
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.
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 +)))
1039 1039  
1138 +(((
1040 1040  **Example:**
1140 +)))
1041 1041  
1142 +(((
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
1144 +)))
1043 1043  
1146 +(((
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**
1148 +)))
1045 1045  
1150 +(((
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**
1152 +)))
1047 1047  
1154 +(((
1155 +
1156 +)))
1048 1048  
1158 +(((
1049 1049  **0xAB** downlink command can be used for set AT+SEARCHx
1160 +)))
1050 1050  
1162 +(((
1051 1051  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1164 +)))
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
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 +)))
1055 1055  
1173 +(((
1056 1056  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1175 +)))
1057 1057  
1058 1058  
1059 1059  
1179 +
1060 1060  ==== **Fast command to handle MODBUS device** ====
1061 1061  
1182 +(((
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]].
1184 +)))
1063 1063  
1186 +(((
1064 1064  This command is valid since v1.3 firmware version
1188 +)))
1065 1065  
1190 +(((
1191 +
1192 +)))
1066 1066  
1194 +(((
1067 1067  **AT+MBFUN has only two value:**
1196 +)))
1068 1068  
1069 -* **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 +)))
1070 1070  
1202 +(((
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.
1204 +)))
1072 1072  
1073 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1206 +* (((
1207 +**AT+MBFUN=0**: Disable Modbus fast reading.
1208 +)))
1074 1074  
1210 +(((
1075 1075  **Example:**
1212 +)))
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.
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 +)))
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:**
1230 +* (((
1231 +**Downlink Commands:**
1232 +)))
1088 1088  
1234 +(((
1089 1089  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1236 +)))
1090 1090  
1091 1091  
1092 1092  
1240 +
1093 1093  ==== **RS485 command timeout** ====
1094 1094  
1243 +(((
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.
1245 +)))
1096 1096  
1247 +(((
1097 1097  Default value: 0, range:  0 ~~ 5 seconds
1249 +)))
1098 1098  
1251 +(((
1252 +
1253 +)))
1099 1099  
1100 -* **AT Command:**
1255 +* (((
1256 +**AT Command:**
1257 +)))
1101 1101  
1102 1102  (% class="box infomessage" %)
1103 1103  (((
1261 +(((
1104 1104  **AT+CMDDLaa=hex(bb cc)**
1105 1105  )))
1264 +)))
1106 1106  
1266 +(((
1107 1107  **Example:**
1268 +)))
1108 1108  
1270 +(((
1109 1109  **AT+CMDDL1=1000** to send the open time to 1000ms
1272 +)))
1110 1110  
1274 +(((
1275 +
1276 +)))
1111 1111  
1112 -* **Downlink Payload:**
1278 +* (((
1279 +**Downlink Payload:**
1280 +)))
1113 1113  
1282 +(((
1114 1114  0x AA aa bb cc
1284 +)))
1115 1115  
1286 +(((
1116 1116  Same as: AT+CMDDLaa=hex(bb cc)
1288 +)))
1117 1117  
1290 +(((
1118 1118   **Example:**
1292 +)))
1119 1119  
1294 +(((
1120 1120   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1296 +)))
1121 1121  
1122 1122  
1123 1123  
1300 +
1124 1124  ==== **Uplink payload mode** ====
1125 1125  
1303 +(((
1126 1126  Define to use one uplink or multiple uplinks for the sampling.
1305 +)))
1127 1127  
1307 +(((
1128 1128  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1309 +)))
1129 1129  
1130 -* **AT Command:**
1311 +* (((
1312 +**AT Command:**
1313 +)))
1131 1131  
1132 1132  (% class="box infomessage" %)
1133 1133  (((
1317 +(((
1134 1134  **AT+DATAUP=0**
1135 1135  )))
1320 +)))
1136 1136  
1137 1137  (% class="box infomessage" %)
1138 1138  (((
1324 +(((
1139 1139  **AT+DATAUP=1**
1140 1140  )))
1327 +)))
1141 1141  
1329 +(((
1330 +
1331 +)))
1142 1142  
1143 -* **Downlink Payload:**
1333 +* (((
1334 +**Downlink Payload:**
1335 +)))
1144 1144  
1337 +(((
1145 1145  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1339 +)))
1146 1146  
1341 +(((
1147 1147  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1343 +)))
1148 1148  
1149 1149  
1150 1150  
... ... @@ -1162,131 +1162,247 @@
1162 1162  
1163 1163  ==== **Clear RS485 Command** ====
1164 1164  
1361 +(((
1165 1165  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1363 +)))
1166 1166  
1365 +(((
1366 +
1367 +)))
1167 1167  
1168 -* **AT Command:**
1369 +* (((
1370 +**AT Command:**
1371 +)))
1169 1169  
1373 +(((
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
1375 +)))
1171 1171  
1377 +(((
1172 1172  Example screen shot after clear all RS485 commands. 
1379 +)))
1173 1173  
1381 +(((
1382 +
1383 +)))
1174 1174  
1385 +(((
1175 1175  The uplink screen shot is:
1387 +)))
1176 1176  
1389 +(((
1177 1177  [[image:1654134704555-320.png]]
1391 +)))
1178 1178  
1393 +(((
1394 +
1395 +)))
1179 1179  
1180 -* **Downlink Payload:**
1397 +* (((
1398 +**Downlink Payload:**
1399 +)))
1181 1181  
1401 +(((
1182 1182  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1403 +)))
1183 1183  
1184 1184  
1185 1185  
1407 +
1186 1186  ==== **Set Serial Communication Parameters** ====
1187 1187  
1410 +(((
1188 1188  Set the Rs485 serial communication parameters:
1412 +)))
1189 1189  
1190 -* **AT Command:**
1414 +* (((
1415 +**AT Command:**
1416 +)))
1191 1191  
1418 +(((
1192 1192  Set Baud Rate:
1420 +)))
1193 1193  
1194 1194  (% class="box infomessage" %)
1195 1195  (((
1424 +(((
1196 1196  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1197 1197  )))
1427 +)))
1198 1198  
1429 +(((
1199 1199  Set UART Parity
1431 +)))
1200 1200  
1201 1201  (% class="box infomessage" %)
1202 1202  (((
1435 +(((
1203 1203  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1204 1204  )))
1438 +)))
1205 1205  
1440 +(((
1206 1206  Set STOPBIT
1442 +)))
1207 1207  
1208 1208  (% class="box infomessage" %)
1209 1209  (((
1446 +(((
1210 1210  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1211 1211  )))
1449 +)))
1212 1212  
1451 +(((
1452 +
1453 +)))
1213 1213  
1214 -* **Downlink Payload:**
1455 +* (((
1456 +**Downlink Payload:**
1457 +)))
1215 1215  
1459 +(((
1216 1216  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1461 +)))
1217 1217  
1463 +(((
1218 1218  **Example:**
1465 +)))
1219 1219  
1220 -* A7 01 00 60   same as AT+BAUDR=9600
1221 -* 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 +)))
1222 1222  
1474 +(((
1223 1223  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1476 +)))
1224 1224  
1478 +(((
1225 1225  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1480 +)))
1226 1226  
1227 1227  
1228 1228  
1484 +
1229 1229  ==== **Control output power duration** ====
1230 1230  
1487 +(((
1231 1231  User can set the output power duration before each sampling.
1489 +)))
1232 1232  
1233 -* **AT Command:**
1491 +* (((
1492 +**AT Command:**
1493 +)))
1234 1234  
1495 +(((
1235 1235  **Example:**
1497 +)))
1236 1236  
1499 +(((
1237 1237  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1501 +)))
1238 1238  
1503 +(((
1239 1239  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1505 +)))
1240 1240  
1507 +(((
1508 +
1509 +)))
1241 1241  
1242 -* **LoRaWAN Downlink Command:**
1511 +* (((
1512 +**LoRaWAN Downlink Command:**
1513 +)))
1243 1243  
1515 +(((
1244 1244  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1517 +)))
1245 1245  
1519 +(((
1246 1246  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1521 +)))
1247 1247  
1248 1248  
1249 1249  
1250 1250  == 3.6 Buttons ==
1251 1251  
1252 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1527 +(% 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  
1256 1256  == 3.7 +3V3 Output ==
1257 1257  
1533 +(((
1258 1258  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1535 +)))
1259 1259  
1537 +(((
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. 
1539 +)))
1261 1261  
1541 +(((
1262 1262  The +3V3 output time can be controlled by AT Command.
1543 +)))
1263 1263  
1545 +(((
1546 +
1547 +)))
1264 1264  
1549 +(((
1265 1265  (% style="color:#037691" %)**AT+3V3T=1000**
1551 +)))
1266 1266  
1553 +(((
1554 +
1555 +)))
1267 1267  
1557 +(((
1268 1268  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1559 +)))
1269 1269  
1561 +(((
1270 1270  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1563 +)))
1271 1271  
1272 1272  
1273 1273  == 3.8 +5V Output ==
1274 1274  
1568 +(((
1275 1275  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1570 +)))
1276 1276  
1572 +(((
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. 
1574 +)))
1278 1278  
1576 +(((
1279 1279  The 5V output time can be controlled by AT Command.
1578 +)))
1280 1280  
1580 +(((
1581 +
1582 +)))
1281 1281  
1584 +(((
1282 1282  (% style="color:#037691" %)**AT+5VT=1000**
1586 +)))
1283 1283  
1588 +(((
1589 +
1590 +)))
1284 1284  
1592 +(((
1285 1285  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1594 +)))
1286 1286  
1596 +(((
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.
1598 +)))
1288 1288  
1289 1289  
1601 +
1290 1290  == 3.9 LEDs ==
1291 1291  
1292 1292  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1308,9 +1308,13 @@
1308 1308  3.3v position: set to compatible with 3.3v I/O.,
1309 1309  )))
1310 1310  
1623 +(((
1311 1311  **+3.3V**: is always ON
1625 +)))
1312 1312  
1627 +(((
1313 1313  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1629 +)))
1314 1314  
1315 1315  
1316 1316  = 4. Case Study =
... ... @@ -1322,17 +1322,23 @@
1322 1322  
1323 1323  == 5.1 Access AT Command ==
1324 1324  
1641 +(((
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.
1643 +)))
1326 1326  
1327 1327  [[image:1654135840598-282.png]]
1328 1328  
1329 1329  
1648 +(((
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:
1650 +)))
1331 1331  
1332 1332  [[image:1654136105500-922.png]]
1333 1333  
1334 1334  
1655 +(((
1335 1335  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1657 +)))
1336 1336  
1337 1337  
1338 1338  == 5.2 Common AT Command Sequence ==
... ... @@ -1357,7 +1357,9 @@
1357 1357  )))
1358 1358  
1359 1359  
1682 +(((
1360 1360  If device already joined network:
1684 +)))
1361 1361  
1362 1362  (% class="box infomessage" %)
1363 1363  (((
... ... @@ -1396,10 +1396,12 @@
1396 1396  
1397 1397  (% style="color:red" %)**Note:**
1398 1398  
1723 +(((
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
1728 +)))
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  
1737 +(((
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:
1739 +)))
1412 1412  
1413 -* Support new features
1414 -* For bug fix
1415 -* Change LoRaWAN bands.
1741 +* (((
1742 +Support new features
1743 +)))
1744 +* (((
1745 +For bug fix
1746 +)))
1747 +* (((
1748 +Change LoRaWAN bands.
1749 +)))
1416 1416  
1751 +(((
1417 1417  Below shows the hardware connection for how to upload an image to RS485-BL:
1753 +)))
1418 1418  
1419 1419  [[image:1654136646995-976.png]]
1420 1420