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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.7
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  
... ... @@ -999,85 +999,168 @@
999 999  
1000 1000  ==== **Set RS485 Sampling Commands** ====
1001 1001  
1061 +(((
1002 1002  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1063 +)))
1003 1003  
1065 +(((
1004 1004  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 +)))
1005 1005  
1069 +(((
1070 +
1071 +)))
1006 1006  
1007 -* **AT Command:**
1073 +* (((
1074 +**AT Command:**
1075 +)))
1008 1008  
1009 1009  (% class="box infomessage" %)
1010 1010  (((
1079 +(((
1011 1011  **AT+COMMANDx: Configure RS485 read command to sensor.**
1012 1012  )))
1082 +)))
1013 1013  
1014 1014  (% class="box infomessage" %)
1015 1015  (((
1086 +(((
1016 1016  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1017 1017  )))
1089 +)))
1018 1018  
1019 1019  (% class="box infomessage" %)
1020 1020  (((
1093 +(((
1021 1021  **AT+SEARCHx: Configure search command**
1022 1022  )))
1096 +)))
1023 1023  
1098 +(((
1099 +
1100 +)))
1024 1024  
1025 -* **Downlink Payload:**
1102 +* (((
1103 +**Downlink Payload:**
1104 +)))
1026 1026  
1106 +(((
1027 1027  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1108 +)))
1028 1028  
1110 +(((
1029 1029  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1112 +)))
1030 1030  
1114 +(((
1031 1031  Format: AF MM NN LL XX XX XX XX YY
1116 +)))
1032 1032  
1118 +(((
1033 1033  Where:
1120 +)))
1034 1034  
1035 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1036 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1037 -* LL:  The length of AT+COMMAND or AT+DATACUT command
1038 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1039 -* 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 +)))
1040 1040  
1138 +(((
1041 1041  **Example:**
1140 +)))
1042 1042  
1142 +(((
1043 1043  (% 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 +)))
1044 1044  
1146 +(((
1045 1045  (% 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 +)))
1046 1046  
1150 +(((
1047 1047  (% 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 +)))
1048 1048  
1154 +(((
1155 +
1156 +)))
1049 1049  
1158 +(((
1050 1050  **0xAB** downlink command can be used for set AT+SEARCHx
1160 +)))
1051 1051  
1162 +(((
1052 1052  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1164 +)))
1053 1053  
1054 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1055 -* 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 +)))
1056 1056  
1173 +(((
1057 1057  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1175 +)))
1058 1058  
1059 1059  
1060 1060  
1179 +
1061 1061  ==== **Fast command to handle MODBUS device** ====
1062 1062  
1182 +(((
1063 1063  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 +)))
1064 1064  
1186 +(((
1065 1065  This command is valid since v1.3 firmware version
1188 +)))
1066 1066  
1190 +(((
1191 +
1192 +)))
1067 1067  
1194 +(((
1068 1068  **AT+MBFUN has only two value:**
1196 +)))
1069 1069  
1070 -* **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 +)))
1071 1071  
1202 +(((
1072 1072  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 +)))
1073 1073  
1074 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1206 +* (((
1207 +**AT+MBFUN=0**: Disable Modbus fast reading.
1208 +)))
1075 1075  
1210 +(((
1076 1076  **Example:**
1212 +)))
1077 1077  
1078 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1079 -* 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.
1080 -* 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 +)))
1081 1081  
1082 1082  [[image:1654133913295-597.png]]
1083 1083  
... ... @@ -1085,67 +1085,120 @@
1085 1085  [[image:1654133954153-643.png]]
1086 1086  
1087 1087  
1088 -* **Downlink Commands:**
1230 +* (((
1231 +**Downlink Commands:**
1232 +)))
1089 1089  
1234 +(((
1090 1090  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1236 +)))
1091 1091  
1092 1092  
1093 1093  
1240 +
1094 1094  ==== **RS485 command timeout** ====
1095 1095  
1243 +(((
1096 1096  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 +)))
1097 1097  
1247 +(((
1098 1098  Default value: 0, range:  0 ~~ 5 seconds
1249 +)))
1099 1099  
1251 +(((
1252 +
1253 +)))
1100 1100  
1101 -* **AT Command:**
1255 +* (((
1256 +**AT Command:**
1257 +)))
1102 1102  
1103 1103  (% class="box infomessage" %)
1104 1104  (((
1261 +(((
1105 1105  **AT+CMDDLaa=hex(bb cc)**
1106 1106  )))
1264 +)))
1107 1107  
1266 +(((
1108 1108  **Example:**
1268 +)))
1109 1109  
1270 +(((
1110 1110  **AT+CMDDL1=1000** to send the open time to 1000ms
1272 +)))
1111 1111  
1274 +(((
1275 +
1276 +)))
1112 1112  
1113 -* **Downlink Payload:**
1278 +* (((
1279 +**Downlink Payload:**
1280 +)))
1114 1114  
1282 +(((
1115 1115  0x AA aa bb cc
1284 +)))
1116 1116  
1286 +(((
1117 1117  Same as: AT+CMDDLaa=hex(bb cc)
1288 +)))
1118 1118  
1290 +(((
1119 1119   **Example:**
1292 +)))
1120 1120  
1294 +(((
1121 1121   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1296 +)))
1122 1122  
1123 1123  
1124 1124  
1300 +
1125 1125  ==== **Uplink payload mode** ====
1126 1126  
1303 +(((
1127 1127  Define to use one uplink or multiple uplinks for the sampling.
1305 +)))
1128 1128  
1307 +(((
1129 1129  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1309 +)))
1130 1130  
1131 -* **AT Command:**
1311 +* (((
1312 +**AT Command:**
1313 +)))
1132 1132  
1133 1133  (% class="box infomessage" %)
1134 1134  (((
1317 +(((
1135 1135  **AT+DATAUP=0**
1136 1136  )))
1320 +)))
1137 1137  
1138 1138  (% class="box infomessage" %)
1139 1139  (((
1324 +(((
1140 1140  **AT+DATAUP=1**
1141 1141  )))
1327 +)))
1142 1142  
1329 +(((
1330 +
1331 +)))
1143 1143  
1144 -* **Downlink Payload:**
1333 +* (((
1334 +**Downlink Payload:**
1335 +)))
1145 1145  
1337 +(((
1146 1146  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1339 +)))
1147 1147  
1341 +(((
1148 1148  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1343 +)))
1149 1149  
1150 1150  
1151 1151  
... ... @@ -1163,131 +1163,247 @@
1163 1163  
1164 1164  ==== **Clear RS485 Command** ====
1165 1165  
1361 +(((
1166 1166  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1363 +)))
1167 1167  
1365 +(((
1366 +
1367 +)))
1168 1168  
1169 -* **AT Command:**
1369 +* (((
1370 +**AT Command:**
1371 +)))
1170 1170  
1373 +(((
1171 1171  (% 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 +)))
1172 1172  
1377 +(((
1173 1173  Example screen shot after clear all RS485 commands. 
1379 +)))
1174 1174  
1381 +(((
1382 +
1383 +)))
1175 1175  
1385 +(((
1176 1176  The uplink screen shot is:
1387 +)))
1177 1177  
1389 +(((
1178 1178  [[image:1654134704555-320.png]]
1391 +)))
1179 1179  
1393 +(((
1394 +
1395 +)))
1180 1180  
1181 -* **Downlink Payload:**
1397 +* (((
1398 +**Downlink Payload:**
1399 +)))
1182 1182  
1401 +(((
1183 1183  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1403 +)))
1184 1184  
1185 1185  
1186 1186  
1407 +
1187 1187  ==== **Set Serial Communication Parameters** ====
1188 1188  
1410 +(((
1189 1189  Set the Rs485 serial communication parameters:
1412 +)))
1190 1190  
1191 -* **AT Command:**
1414 +* (((
1415 +**AT Command:**
1416 +)))
1192 1192  
1418 +(((
1193 1193  Set Baud Rate:
1420 +)))
1194 1194  
1195 1195  (% class="box infomessage" %)
1196 1196  (((
1424 +(((
1197 1197  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1198 1198  )))
1427 +)))
1199 1199  
1429 +(((
1200 1200  Set UART Parity
1431 +)))
1201 1201  
1202 1202  (% class="box infomessage" %)
1203 1203  (((
1435 +(((
1204 1204  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1205 1205  )))
1438 +)))
1206 1206  
1440 +(((
1207 1207  Set STOPBIT
1442 +)))
1208 1208  
1209 1209  (% class="box infomessage" %)
1210 1210  (((
1446 +(((
1211 1211  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1212 1212  )))
1449 +)))
1213 1213  
1451 +(((
1452 +
1453 +)))
1214 1214  
1215 -* **Downlink Payload:**
1455 +* (((
1456 +**Downlink Payload:**
1457 +)))
1216 1216  
1459 +(((
1217 1217  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1461 +)))
1218 1218  
1463 +(((
1219 1219  **Example:**
1465 +)))
1220 1220  
1221 -* A7 01 00 60   same as AT+BAUDR=9600
1222 -* 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 +)))
1223 1223  
1474 +(((
1224 1224  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1476 +)))
1225 1225  
1478 +(((
1226 1226  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1480 +)))
1227 1227  
1228 1228  
1229 1229  
1484 +
1230 1230  ==== **Control output power duration** ====
1231 1231  
1487 +(((
1232 1232  User can set the output power duration before each sampling.
1489 +)))
1233 1233  
1234 -* **AT Command:**
1491 +* (((
1492 +**AT Command:**
1493 +)))
1235 1235  
1495 +(((
1236 1236  **Example:**
1497 +)))
1237 1237  
1499 +(((
1238 1238  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1501 +)))
1239 1239  
1503 +(((
1240 1240  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1505 +)))
1241 1241  
1507 +(((
1508 +
1509 +)))
1242 1242  
1243 -* **LoRaWAN Downlink Command:**
1511 +* (((
1512 +**LoRaWAN Downlink Command:**
1513 +)))
1244 1244  
1515 +(((
1245 1245  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1517 +)))
1246 1246  
1519 +(((
1247 1247  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1521 +)))
1248 1248  
1249 1249  
1250 1250  
1251 1251  == 3.6 Buttons ==
1252 1252  
1253 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1527 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1254 1254  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1255 1255  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1256 1256  
1257 1257  == 3.7 +3V3 Output ==
1258 1258  
1533 +(((
1259 1259  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1535 +)))
1260 1260  
1537 +(((
1261 1261  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 +)))
1262 1262  
1541 +(((
1263 1263  The +3V3 output time can be controlled by AT Command.
1543 +)))
1264 1264  
1545 +(((
1546 +
1547 +)))
1265 1265  
1549 +(((
1266 1266  (% style="color:#037691" %)**AT+3V3T=1000**
1551 +)))
1267 1267  
1553 +(((
1554 +
1555 +)))
1268 1268  
1557 +(((
1269 1269  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1559 +)))
1270 1270  
1561 +(((
1271 1271  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1563 +)))
1272 1272  
1273 1273  
1274 1274  == 3.8 +5V Output ==
1275 1275  
1568 +(((
1276 1276  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1570 +)))
1277 1277  
1572 +(((
1278 1278  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 +)))
1279 1279  
1576 +(((
1280 1280  The 5V output time can be controlled by AT Command.
1578 +)))
1281 1281  
1580 +(((
1581 +
1582 +)))
1282 1282  
1584 +(((
1283 1283  (% style="color:#037691" %)**AT+5VT=1000**
1586 +)))
1284 1284  
1588 +(((
1589 +
1590 +)))
1285 1285  
1592 +(((
1286 1286  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1594 +)))
1287 1287  
1596 +(((
1288 1288  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 +)))
1289 1289  
1290 1290  
1601 +
1291 1291  == 3.9 LEDs ==
1292 1292  
1293 1293  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1309,9 +1309,13 @@
1309 1309  3.3v position: set to compatible with 3.3v I/O.,
1310 1310  )))
1311 1311  
1623 +(((
1312 1312  **+3.3V**: is always ON
1625 +)))
1313 1313  
1627 +(((
1314 1314  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1629 +)))
1315 1315  
1316 1316  
1317 1317  = 4. Case Study =
... ... @@ -1323,17 +1323,23 @@
1323 1323  
1324 1324  == 5.1 Access AT Command ==
1325 1325  
1641 +(((
1326 1326  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 +)))
1327 1327  
1328 1328  [[image:1654135840598-282.png]]
1329 1329  
1330 1330  
1648 +(((
1331 1331  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 +)))
1332 1332  
1333 1333  [[image:1654136105500-922.png]]
1334 1334  
1335 1335  
1655 +(((
1336 1336  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1657 +)))
1337 1337  
1338 1338  
1339 1339  == 5.2 Common AT Command Sequence ==
... ... @@ -1358,7 +1358,9 @@
1358 1358  )))
1359 1359  
1360 1360  
1682 +(((
1361 1361  If device already joined network:
1684 +)))
1362 1362  
1363 1363  (% class="box infomessage" %)
1364 1364  (((
... ... @@ -1397,10 +1397,12 @@
1397 1397  
1398 1398  (% style="color:red" %)**Note:**
1399 1399  
1723 +(((
1400 1400  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1401 1401  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1402 1402  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.
1403 1403  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 +)))
1404 1404  
1405 1405  [[image:1654136435598-589.png]]
1406 1406  
... ... @@ -1409,13 +1409,23 @@
1409 1409  
1410 1410  == 6.1 How to upgrade the image? ==
1411 1411  
1737 +(((
1412 1412  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1739 +)))
1413 1413  
1414 -* Support new features
1415 -* For bug fix
1416 -* Change LoRaWAN bands.
1741 +* (((
1742 +Support new features
1743 +)))
1744 +* (((
1745 +For bug fix
1746 +)))
1747 +* (((
1748 +Change LoRaWAN bands.
1749 +)))
1417 1417  
1751 +(((
1418 1418  Below shows the hardware connection for how to upload an image to RS485-BL:
1753 +)))
1419 1419  
1420 1420  [[image:1654136646995-976.png]]
1421 1421