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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.10
edited by Xiaoling
on 2022/06/06 10:58
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]]
... ... @@ -927,51 +927,101 @@
927 927  
928 928  ==== **RS485 Debug Command (AT+CFGDEV)** ====
929 929  
938 +(((
930 930  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
940 +)))
931 931  
932 -* **AT Command**
942 +* (((
943 +**AT Command**
944 +)))
933 933  
934 934  (% class="box infomessage" %)
935 935  (((
948 +(((
936 936  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
937 937  )))
951 +)))
938 938  
953 +(((
939 939  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
955 +)))
940 940  
957 +(((
958 +
959 +)))
941 941  
942 -* **Downlink Payload**
961 +* (((
962 +**Downlink Payload**
963 +)))
943 943  
965 +(((
944 944  Format: A8 MM NN XX XX XX XX YY
967 +)))
945 945  
969 +(((
946 946  Where:
971 +)))
947 947  
948 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
949 -* NN: The length of RS485 command
950 -* XX XX XX XX: RS485 command total NN bytes
951 -* 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 +)))
952 952  
986 +(((
953 953  **Example 1:**
988 +)))
954 954  
990 +(((
955 955  To connect a Modbus Alarm with below commands.
992 +)))
956 956  
957 -* 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 +)))
958 958  
959 -* 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 +)))
960 960  
1002 +(((
961 961  So if user want to use downlink command to control to RS485 Alarm, he can use:
1004 +)))
962 962  
1006 +(((
963 963  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1008 +)))
964 964  
1010 +(((
965 965  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1012 +)))
966 966  
1014 +(((
967 967  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 +)))
968 968  
1018 +(((
1019 +
1020 +)))
969 969  
1022 +(((
970 970  **Example 2:**
1024 +)))
971 971  
1026 +(((
972 972  Check TTL Sensor return:
1028 +)))
973 973  
1030 +(((
974 974  [[image:1654132684752-193.png]]
1032 +)))
975 975  
976 976  
977 977  
... ... @@ -1000,62 +1000,121 @@
1000 1000  
1001 1001  ==== **Set RS485 Sampling Commands** ====
1002 1002  
1061 +(((
1003 1003  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1063 +)))
1004 1004  
1065 +(((
1005 1005  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 +)))
1006 1006  
1069 +(((
1070 +
1071 +)))
1007 1007  
1008 -* **AT Command:**
1073 +* (((
1074 +**AT Command:**
1075 +)))
1009 1009  
1010 1010  (% class="box infomessage" %)
1011 1011  (((
1079 +(((
1012 1012  **AT+COMMANDx: Configure RS485 read command to sensor.**
1013 1013  )))
1082 +)))
1014 1014  
1015 1015  (% class="box infomessage" %)
1016 1016  (((
1086 +(((
1017 1017  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1018 1018  )))
1089 +)))
1019 1019  
1020 1020  (% class="box infomessage" %)
1021 1021  (((
1093 +(((
1022 1022  **AT+SEARCHx: Configure search command**
1023 1023  )))
1096 +)))
1024 1024  
1098 +(((
1099 +
1100 +)))
1025 1025  
1026 -* **Downlink Payload:**
1102 +* (((
1103 +**Downlink Payload:**
1104 +)))
1027 1027  
1106 +(((
1028 1028  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1108 +)))
1029 1029  
1110 +(((
1030 1030  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1112 +)))
1031 1031  
1114 +(((
1032 1032  Format: AF MM NN LL XX XX XX XX YY
1116 +)))
1033 1033  
1118 +(((
1034 1034  Where:
1120 +)))
1035 1035  
1036 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1037 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1038 -* LL:  The length of AT+COMMAND or AT+DATACUT command
1039 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1040 -* 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 +)))
1041 1041  
1138 +(((
1042 1042  **Example:**
1140 +)))
1043 1043  
1142 +(((
1044 1044  (% 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 +)))
1045 1045  
1146 +(((
1046 1046  (% 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 +)))
1047 1047  
1150 +(((
1048 1048  (% 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 +)))
1049 1049  
1154 +(((
1155 +
1156 +)))
1050 1050  
1158 +(((
1051 1051  **0xAB** downlink command can be used for set AT+SEARCHx
1160 +)))
1052 1052  
1162 +(((
1053 1053  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1164 +)))
1054 1054  
1055 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1056 -* 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 +)))
1057 1057  
1173 +(((
1058 1058  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1175 +)))
1059 1059  
1060 1060  
1061 1061  
... ... @@ -1062,24 +1062,47 @@
1062 1062  
1063 1063  ==== **Fast command to handle MODBUS device** ====
1064 1064  
1182 +(((
1065 1065  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 +)))
1066 1066  
1186 +(((
1067 1067  This command is valid since v1.3 firmware version
1188 +)))
1068 1068  
1190 +(((
1191 +
1192 +)))
1069 1069  
1194 +(((
1070 1070  **AT+MBFUN has only two value:**
1196 +)))
1071 1071  
1072 -* **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 +)))
1073 1073  
1202 +(((
1074 1074  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 +)))
1075 1075  
1076 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1206 +* (((
1207 +**AT+MBFUN=0**: Disable Modbus fast reading.
1208 +)))
1077 1077  
1210 +(((
1078 1078  **Example:**
1212 +)))
1079 1079  
1080 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1081 -* 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.
1082 -* 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 +)))
1083 1083  
1084 1084  [[image:1654133913295-597.png]]
1085 1085  
... ... @@ -1087,9 +1087,13 @@
1087 1087  [[image:1654133954153-643.png]]
1088 1088  
1089 1089  
1090 -* **Downlink Commands:**
1230 +* (((
1231 +**Downlink Commands:**
1232 +)))
1091 1091  
1234 +(((
1092 1092  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1236 +)))
1093 1093  
1094 1094  
1095 1095  
... ... @@ -1096,59 +1096,107 @@
1096 1096  
1097 1097  ==== **RS485 command timeout** ====
1098 1098  
1243 +(((
1099 1099  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 +)))
1100 1100  
1247 +(((
1101 1101  Default value: 0, range:  0 ~~ 5 seconds
1249 +)))
1102 1102  
1251 +(((
1252 +
1253 +)))
1103 1103  
1104 -* **AT Command:**
1255 +* (((
1256 +**AT Command:**
1257 +)))
1105 1105  
1106 1106  (% class="box infomessage" %)
1107 1107  (((
1261 +(((
1108 1108  **AT+CMDDLaa=hex(bb cc)**
1109 1109  )))
1264 +)))
1110 1110  
1266 +(((
1111 1111  **Example:**
1268 +)))
1112 1112  
1270 +(((
1113 1113  **AT+CMDDL1=1000** to send the open time to 1000ms
1272 +)))
1114 1114  
1274 +(((
1275 +
1276 +)))
1115 1115  
1116 -* **Downlink Payload:**
1278 +* (((
1279 +**Downlink Payload:**
1280 +)))
1117 1117  
1282 +(((
1118 1118  0x AA aa bb cc
1284 +)))
1119 1119  
1286 +(((
1120 1120  Same as: AT+CMDDLaa=hex(bb cc)
1288 +)))
1121 1121  
1290 +(((
1122 1122   **Example:**
1292 +)))
1123 1123  
1294 +(((
1124 1124   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1296 +)))
1125 1125  
1126 1126  
1127 1127  
1300 +
1128 1128  ==== **Uplink payload mode** ====
1129 1129  
1303 +(((
1130 1130  Define to use one uplink or multiple uplinks for the sampling.
1305 +)))
1131 1131  
1307 +(((
1132 1132  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1309 +)))
1133 1133  
1134 -* **AT Command:**
1311 +* (((
1312 +**AT Command:**
1313 +)))
1135 1135  
1136 1136  (% class="box infomessage" %)
1137 1137  (((
1317 +(((
1138 1138  **AT+DATAUP=0**
1139 1139  )))
1320 +)))
1140 1140  
1141 1141  (% class="box infomessage" %)
1142 1142  (((
1324 +(((
1143 1143  **AT+DATAUP=1**
1144 1144  )))
1327 +)))
1145 1145  
1329 +(((
1330 +
1331 +)))
1146 1146  
1147 -* **Downlink Payload:**
1333 +* (((
1334 +**Downlink Payload:**
1335 +)))
1148 1148  
1337 +(((
1149 1149  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1339 +)))
1150 1150  
1341 +(((
1151 1151  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1343 +)))
1152 1152  
1153 1153  
1154 1154  
... ... @@ -1166,131 +1166,247 @@
1166 1166  
1167 1167  ==== **Clear RS485 Command** ====
1168 1168  
1361 +(((
1169 1169  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1363 +)))
1170 1170  
1365 +(((
1366 +
1367 +)))
1171 1171  
1172 -* **AT Command:**
1369 +* (((
1370 +**AT Command:**
1371 +)))
1173 1173  
1373 +(((
1174 1174  (% 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 +)))
1175 1175  
1377 +(((
1176 1176  Example screen shot after clear all RS485 commands. 
1379 +)))
1177 1177  
1381 +(((
1382 +
1383 +)))
1178 1178  
1385 +(((
1179 1179  The uplink screen shot is:
1387 +)))
1180 1180  
1389 +(((
1181 1181  [[image:1654134704555-320.png]]
1391 +)))
1182 1182  
1393 +(((
1394 +
1395 +)))
1183 1183  
1184 -* **Downlink Payload:**
1397 +* (((
1398 +**Downlink Payload:**
1399 +)))
1185 1185  
1401 +(((
1186 1186  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1403 +)))
1187 1187  
1188 1188  
1189 1189  
1407 +
1190 1190  ==== **Set Serial Communication Parameters** ====
1191 1191  
1410 +(((
1192 1192  Set the Rs485 serial communication parameters:
1412 +)))
1193 1193  
1194 -* **AT Command:**
1414 +* (((
1415 +**AT Command:**
1416 +)))
1195 1195  
1418 +(((
1196 1196  Set Baud Rate:
1420 +)))
1197 1197  
1198 1198  (% class="box infomessage" %)
1199 1199  (((
1424 +(((
1200 1200  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1201 1201  )))
1427 +)))
1202 1202  
1429 +(((
1203 1203  Set UART Parity
1431 +)))
1204 1204  
1205 1205  (% class="box infomessage" %)
1206 1206  (((
1435 +(((
1207 1207  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1208 1208  )))
1438 +)))
1209 1209  
1440 +(((
1210 1210  Set STOPBIT
1442 +)))
1211 1211  
1212 1212  (% class="box infomessage" %)
1213 1213  (((
1446 +(((
1214 1214  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1215 1215  )))
1449 +)))
1216 1216  
1451 +(((
1452 +
1453 +)))
1217 1217  
1218 -* **Downlink Payload:**
1455 +* (((
1456 +**Downlink Payload:**
1457 +)))
1219 1219  
1459 +(((
1220 1220  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1461 +)))
1221 1221  
1463 +(((
1222 1222  **Example:**
1465 +)))
1223 1223  
1224 -* A7 01 00 60   same as AT+BAUDR=9600
1225 -* 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 +)))
1226 1226  
1474 +(((
1227 1227  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1476 +)))
1228 1228  
1478 +(((
1229 1229  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1480 +)))
1230 1230  
1231 1231  
1232 1232  
1484 +
1233 1233  ==== **Control output power duration** ====
1234 1234  
1487 +(((
1235 1235  User can set the output power duration before each sampling.
1489 +)))
1236 1236  
1237 -* **AT Command:**
1491 +* (((
1492 +**AT Command:**
1493 +)))
1238 1238  
1495 +(((
1239 1239  **Example:**
1497 +)))
1240 1240  
1499 +(((
1241 1241  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1501 +)))
1242 1242  
1503 +(((
1243 1243  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1505 +)))
1244 1244  
1507 +(((
1508 +
1509 +)))
1245 1245  
1246 -* **LoRaWAN Downlink Command:**
1511 +* (((
1512 +**LoRaWAN Downlink Command:**
1513 +)))
1247 1247  
1515 +(((
1248 1248  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1517 +)))
1249 1249  
1519 +(((
1250 1250  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1521 +)))
1251 1251  
1252 1252  
1253 1253  
1254 1254  == 3.6 Buttons ==
1255 1255  
1256 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1527 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1257 1257  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1258 1258  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1259 1259  
1260 1260  == 3.7 +3V3 Output ==
1261 1261  
1533 +(((
1262 1262  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1535 +)))
1263 1263  
1537 +(((
1264 1264  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 +)))
1265 1265  
1541 +(((
1266 1266  The +3V3 output time can be controlled by AT Command.
1543 +)))
1267 1267  
1545 +(((
1546 +
1547 +)))
1268 1268  
1549 +(((
1269 1269  (% style="color:#037691" %)**AT+3V3T=1000**
1551 +)))
1270 1270  
1553 +(((
1554 +
1555 +)))
1271 1271  
1557 +(((
1272 1272  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1559 +)))
1273 1273  
1561 +(((
1274 1274  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1563 +)))
1275 1275  
1276 1276  
1277 1277  == 3.8 +5V Output ==
1278 1278  
1568 +(((
1279 1279  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1570 +)))
1280 1280  
1572 +(((
1281 1281  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 +)))
1282 1282  
1576 +(((
1283 1283  The 5V output time can be controlled by AT Command.
1578 +)))
1284 1284  
1580 +(((
1581 +
1582 +)))
1285 1285  
1584 +(((
1286 1286  (% style="color:#037691" %)**AT+5VT=1000**
1586 +)))
1287 1287  
1588 +(((
1589 +
1590 +)))
1288 1288  
1592 +(((
1289 1289  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1594 +)))
1290 1290  
1596 +(((
1291 1291  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 +)))
1292 1292  
1293 1293  
1601 +
1294 1294  == 3.9 LEDs ==
1295 1295  
1296 1296  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1312,9 +1312,13 @@
1312 1312  3.3v position: set to compatible with 3.3v I/O.,
1313 1313  )))
1314 1314  
1623 +(((
1315 1315  **+3.3V**: is always ON
1625 +)))
1316 1316  
1627 +(((
1317 1317  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1629 +)))
1318 1318  
1319 1319  
1320 1320  = 4. Case Study =
... ... @@ -1326,17 +1326,23 @@
1326 1326  
1327 1327  == 5.1 Access AT Command ==
1328 1328  
1641 +(((
1329 1329  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 +)))
1330 1330  
1331 1331  [[image:1654135840598-282.png]]
1332 1332  
1333 1333  
1648 +(((
1334 1334  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 +)))
1335 1335  
1336 1336  [[image:1654136105500-922.png]]
1337 1337  
1338 1338  
1655 +(((
1339 1339  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1657 +)))
1340 1340  
1341 1341  
1342 1342  == 5.2 Common AT Command Sequence ==
... ... @@ -1361,7 +1361,9 @@
1361 1361  )))
1362 1362  
1363 1363  
1682 +(((
1364 1364  If device already joined network:
1684 +)))
1365 1365  
1366 1366  (% class="box infomessage" %)
1367 1367  (((
... ... @@ -1400,10 +1400,12 @@
1400 1400  
1401 1401  (% style="color:red" %)**Note:**
1402 1402  
1723 +(((
1403 1403  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1404 1404  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1405 1405  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.
1406 1406  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 +)))
1407 1407  
1408 1408  [[image:1654136435598-589.png]]
1409 1409  
... ... @@ -1412,13 +1412,23 @@
1412 1412  
1413 1413  == 6.1 How to upgrade the image? ==
1414 1414  
1737 +(((
1415 1415  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1739 +)))
1416 1416  
1417 -* Support new features
1418 -* For bug fix
1419 -* Change LoRaWAN bands.
1741 +* (((
1742 +Support new features
1743 +)))
1744 +* (((
1745 +For bug fix
1746 +)))
1747 +* (((
1748 +Change LoRaWAN bands.
1749 +)))
1420 1420  
1751 +(((
1421 1421  Below shows the hardware connection for how to upload an image to RS485-BL:
1753 +)))
1422 1422  
1423 1423  [[image:1654136646995-976.png]]
1424 1424