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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.5
edited by Xiaoling
on 2022/06/06 10:55
Change comment: There is no comment for this version
To version 42.7
edited by Xiaoling
on 2022/06/06 13:43
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: 210px;" %)(((
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.
... ... @@ -926,55 +926,106 @@
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  
977 977  
1037 +
978 978  ==== **Set Payload version** ====
979 979  
980 980  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.
... ... @@ -995,87 +995,171 @@
995 995  
996 996  
997 997  
1058 +
998 998  ==== **Set RS485 Sampling Commands** ====
999 999  
1061 +(((
1000 1000  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1063 +)))
1001 1001  
1065 +(((
1002 1002  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 +)))
1003 1003  
1069 +(((
1070 +
1071 +)))
1004 1004  
1005 -* **AT Command:**
1073 +* (((
1074 +**AT Command:**
1075 +)))
1006 1006  
1007 1007  (% class="box infomessage" %)
1008 1008  (((
1079 +(((
1009 1009  **AT+COMMANDx: Configure RS485 read command to sensor.**
1010 1010  )))
1082 +)))
1011 1011  
1012 1012  (% class="box infomessage" %)
1013 1013  (((
1086 +(((
1014 1014  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1015 1015  )))
1089 +)))
1016 1016  
1017 1017  (% class="box infomessage" %)
1018 1018  (((
1093 +(((
1019 1019  **AT+SEARCHx: Configure search command**
1020 1020  )))
1096 +)))
1021 1021  
1098 +(((
1099 +
1100 +)))
1022 1022  
1023 -* **Downlink Payload:**
1102 +* (((
1103 +**Downlink Payload:**
1104 +)))
1024 1024  
1106 +(((
1025 1025  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1108 +)))
1026 1026  
1110 +(((
1027 1027  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1112 +)))
1028 1028  
1114 +(((
1029 1029  Format: AF MM NN LL XX XX XX XX YY
1116 +)))
1030 1030  
1118 +(((
1031 1031  Where:
1120 +)))
1032 1032  
1033 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1034 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1035 -* LL:  The length of AT+COMMAND or AT+DATACUT command
1036 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1037 -* 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 +)))
1038 1038  
1138 +(((
1039 1039  **Example:**
1140 +)))
1040 1040  
1142 +(((
1041 1041  (% 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 +)))
1042 1042  
1146 +(((
1043 1043  (% 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 +)))
1044 1044  
1150 +(((
1045 1045  (% 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 +)))
1046 1046  
1154 +(((
1155 +
1156 +)))
1047 1047  
1158 +(((
1048 1048  **0xAB** downlink command can be used for set AT+SEARCHx
1160 +)))
1049 1049  
1162 +(((
1050 1050  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1164 +)))
1051 1051  
1052 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1053 -* 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 +)))
1054 1054  
1173 +(((
1055 1055  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1175 +)))
1056 1056  
1057 1057  
1058 1058  
1179 +
1059 1059  ==== **Fast command to handle MODBUS device** ====
1060 1060  
1182 +(((
1061 1061  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 +)))
1062 1062  
1186 +(((
1063 1063  This command is valid since v1.3 firmware version
1188 +)))
1064 1064  
1190 +(((
1191 +
1192 +)))
1065 1065  
1194 +(((
1066 1066  **AT+MBFUN has only two value:**
1196 +)))
1067 1067  
1068 -* **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 +)))
1069 1069  
1202 +(((
1070 1070  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 +)))
1071 1071  
1072 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1206 +* (((
1207 +**AT+MBFUN=0**: Disable Modbus fast reading.
1208 +)))
1073 1073  
1210 +(((
1074 1074  **Example:**
1212 +)))
1075 1075  
1076 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1077 -* 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.
1078 -* 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 +)))
1079 1079  
1080 1080  [[image:1654133913295-597.png]]
1081 1081  
... ... @@ -1083,67 +1083,120 @@
1083 1083  [[image:1654133954153-643.png]]
1084 1084  
1085 1085  
1086 -* **Downlink Commands:**
1230 +* (((
1231 +**Downlink Commands:**
1232 +)))
1087 1087  
1234 +(((
1088 1088  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1236 +)))
1089 1089  
1090 1090  
1091 1091  
1240 +
1092 1092  ==== **RS485 command timeout** ====
1093 1093  
1243 +(((
1094 1094  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 +)))
1095 1095  
1247 +(((
1096 1096  Default value: 0, range:  0 ~~ 5 seconds
1249 +)))
1097 1097  
1251 +(((
1252 +
1253 +)))
1098 1098  
1099 -* **AT Command:**
1255 +* (((
1256 +**AT Command:**
1257 +)))
1100 1100  
1101 1101  (% class="box infomessage" %)
1102 1102  (((
1261 +(((
1103 1103  **AT+CMDDLaa=hex(bb cc)**
1104 1104  )))
1264 +)))
1105 1105  
1266 +(((
1106 1106  **Example:**
1268 +)))
1107 1107  
1270 +(((
1108 1108  **AT+CMDDL1=1000** to send the open time to 1000ms
1272 +)))
1109 1109  
1274 +(((
1275 +
1276 +)))
1110 1110  
1111 -* **Downlink Payload:**
1278 +* (((
1279 +**Downlink Payload:**
1280 +)))
1112 1112  
1282 +(((
1113 1113  0x AA aa bb cc
1284 +)))
1114 1114  
1286 +(((
1115 1115  Same as: AT+CMDDLaa=hex(bb cc)
1288 +)))
1116 1116  
1290 +(((
1117 1117   **Example:**
1292 +)))
1118 1118  
1294 +(((
1119 1119   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1296 +)))
1120 1120  
1121 1121  
1122 1122  
1300 +
1123 1123  ==== **Uplink payload mode** ====
1124 1124  
1303 +(((
1125 1125  Define to use one uplink or multiple uplinks for the sampling.
1305 +)))
1126 1126  
1307 +(((
1127 1127  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1309 +)))
1128 1128  
1129 -* **AT Command:**
1311 +* (((
1312 +**AT Command:**
1313 +)))
1130 1130  
1131 1131  (% class="box infomessage" %)
1132 1132  (((
1317 +(((
1133 1133  **AT+DATAUP=0**
1134 1134  )))
1320 +)))
1135 1135  
1136 1136  (% class="box infomessage" %)
1137 1137  (((
1324 +(((
1138 1138  **AT+DATAUP=1**
1139 1139  )))
1327 +)))
1140 1140  
1329 +(((
1330 +
1331 +)))
1141 1141  
1142 -* **Downlink Payload:**
1333 +* (((
1334 +**Downlink Payload:**
1335 +)))
1143 1143  
1337 +(((
1144 1144  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1339 +)))
1145 1145  
1341 +(((
1146 1146  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1343 +)))
1147 1147  
1148 1148  
1149 1149  
... ... @@ -1161,131 +1161,248 @@
1161 1161  
1162 1162  ==== **Clear RS485 Command** ====
1163 1163  
1361 +(((
1164 1164  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1363 +)))
1165 1165  
1365 +(((
1366 +
1367 +)))
1166 1166  
1167 -* **AT Command:**
1369 +* (((
1370 +**AT Command:**
1371 +)))
1168 1168  
1373 +(((
1169 1169  (% 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 +)))
1170 1170  
1377 +(((
1171 1171  Example screen shot after clear all RS485 commands. 
1379 +)))
1172 1172  
1381 +(((
1382 +
1383 +)))
1173 1173  
1385 +(((
1174 1174  The uplink screen shot is:
1387 +)))
1175 1175  
1389 +(((
1176 1176  [[image:1654134704555-320.png]]
1391 +)))
1177 1177  
1393 +(((
1394 +
1395 +)))
1178 1178  
1179 -* **Downlink Payload:**
1397 +* (((
1398 +**Downlink Payload:**
1399 +)))
1180 1180  
1401 +(((
1181 1181  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1403 +)))
1182 1182  
1183 1183  
1184 1184  
1407 +
1185 1185  ==== **Set Serial Communication Parameters** ====
1186 1186  
1410 +(((
1187 1187  Set the Rs485 serial communication parameters:
1412 +)))
1188 1188  
1189 -* **AT Command:**
1414 +* (((
1415 +**AT Command:**
1416 +)))
1190 1190  
1418 +(((
1191 1191  Set Baud Rate:
1420 +)))
1192 1192  
1193 1193  (% class="box infomessage" %)
1194 1194  (((
1424 +(((
1195 1195  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1196 1196  )))
1427 +)))
1197 1197  
1429 +(((
1198 1198  Set UART Parity
1431 +)))
1199 1199  
1200 1200  (% class="box infomessage" %)
1201 1201  (((
1435 +(((
1202 1202  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1203 1203  )))
1438 +)))
1204 1204  
1440 +(((
1205 1205  Set STOPBIT
1442 +)))
1206 1206  
1207 1207  (% class="box infomessage" %)
1208 1208  (((
1446 +(((
1209 1209  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1210 1210  )))
1449 +)))
1211 1211  
1451 +(((
1452 +
1453 +)))
1212 1212  
1213 -* **Downlink Payload:**
1455 +* (((
1456 +**Downlink Payload:**
1457 +)))
1214 1214  
1459 +(((
1215 1215  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1461 +)))
1216 1216  
1463 +(((
1217 1217  **Example:**
1465 +)))
1218 1218  
1219 -* A7 01 00 60   same as AT+BAUDR=9600
1220 -* 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 +)))
1221 1221  
1474 +(((
1222 1222  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1476 +)))
1223 1223  
1478 +(((
1224 1224  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1480 +)))
1225 1225  
1226 1226  
1227 1227  
1484 +
1228 1228  ==== **Control output power duration** ====
1229 1229  
1487 +(((
1230 1230  User can set the output power duration before each sampling.
1489 +)))
1231 1231  
1232 -* **AT Command:**
1491 +* (((
1492 +**AT Command:**
1493 +)))
1233 1233  
1495 +(((
1234 1234  **Example:**
1497 +)))
1235 1235  
1499 +(((
1236 1236  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1501 +)))
1237 1237  
1503 +(((
1238 1238  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1505 +)))
1239 1239  
1507 +(((
1508 +
1509 +)))
1240 1240  
1241 -* **LoRaWAN Downlink Command:**
1511 +* (((
1512 +**LoRaWAN Downlink Command:**
1513 +)))
1242 1242  
1515 +(((
1243 1243  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1517 +)))
1244 1244  
1519 +(((
1245 1245  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1521 +)))
1246 1246  
1247 1247  
1248 1248  
1249 1249  == 3.6 Buttons ==
1250 1250  
1251 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1527 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1252 1252  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1253 1253  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1254 1254  
1531 +
1255 1255  == 3.7 +3V3 Output ==
1256 1256  
1534 +(((
1257 1257  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1536 +)))
1258 1258  
1538 +(((
1259 1259  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. 
1540 +)))
1260 1260  
1542 +(((
1261 1261  The +3V3 output time can be controlled by AT Command.
1544 +)))
1262 1262  
1546 +(((
1547 +
1548 +)))
1263 1263  
1550 +(((
1264 1264  (% style="color:#037691" %)**AT+3V3T=1000**
1552 +)))
1265 1265  
1554 +(((
1555 +
1556 +)))
1266 1266  
1558 +(((
1267 1267  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1560 +)))
1268 1268  
1562 +(((
1269 1269  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1564 +)))
1270 1270  
1271 1271  
1272 1272  == 3.8 +5V Output ==
1273 1273  
1569 +(((
1274 1274  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1571 +)))
1275 1275  
1573 +(((
1276 1276  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. 
1575 +)))
1277 1277  
1577 +(((
1278 1278  The 5V output time can be controlled by AT Command.
1579 +)))
1279 1279  
1581 +(((
1582 +
1583 +)))
1280 1280  
1585 +(((
1281 1281  (% style="color:#037691" %)**AT+5VT=1000**
1587 +)))
1282 1282  
1589 +(((
1590 +
1591 +)))
1283 1283  
1593 +(((
1284 1284  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1595 +)))
1285 1285  
1597 +(((
1286 1286  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.
1599 +)))
1287 1287  
1288 1288  
1602 +
1289 1289  == 3.9 LEDs ==
1290 1290  
1291 1291  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1292,24 +1292,30 @@
1292 1292  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1293 1293  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1294 1294  
1609 +
1610 +
1295 1295  == 3.10 Switch Jumper ==
1296 1296  
1297 -(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1298 -|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1299 -|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1613 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:472px" %)
1614 +|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 347px;" %)**Feature**
1615 +|(% style="width:124px" %)**SW1**|(% style="width:347px" %)(((
1300 1300  ISP position: Upgrade firmware via UART
1301 1301  
1302 1302  Flash position: Configure device, check running status.
1303 1303  )))
1304 -|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1620 +|(% style="width:124px" %)**SW2**|(% style="width:347px" %)(((
1305 1305  5V position: set to compatible with 5v I/O.
1306 1306  
1307 1307  3.3v position: set to compatible with 3.3v I/O.,
1308 1308  )))
1309 1309  
1626 +(((
1310 1310  **+3.3V**: is always ON
1628 +)))
1311 1311  
1630 +(((
1312 1312  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1632 +)))
1313 1313  
1314 1314  
1315 1315  = 4. Case Study =
... ... @@ -1321,17 +1321,23 @@
1321 1321  
1322 1322  == 5.1 Access AT Command ==
1323 1323  
1644 +(((
1324 1324  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.
1646 +)))
1325 1325  
1326 1326  [[image:1654135840598-282.png]]
1327 1327  
1328 1328  
1651 +(((
1329 1329  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:
1653 +)))
1330 1330  
1331 1331  [[image:1654136105500-922.png]]
1332 1332  
1333 1333  
1658 +(((
1334 1334  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1660 +)))
1335 1335  
1336 1336  
1337 1337  == 5.2 Common AT Command Sequence ==
... ... @@ -1356,7 +1356,9 @@
1356 1356  )))
1357 1357  
1358 1358  
1685 +(((
1359 1359  If device already joined network:
1687 +)))
1360 1360  
1361 1361  (% class="box infomessage" %)
1362 1362  (((
... ... @@ -1395,10 +1395,12 @@
1395 1395  
1396 1396  (% style="color:red" %)**Note:**
1397 1397  
1726 +(((
1398 1398  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1399 1399  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1400 1400  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.
1401 1401  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
1731 +)))
1402 1402  
1403 1403  [[image:1654136435598-589.png]]
1404 1404  
... ... @@ -1407,13 +1407,23 @@
1407 1407  
1408 1408  == 6.1 How to upgrade the image? ==
1409 1409  
1740 +(((
1410 1410  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1742 +)))
1411 1411  
1412 -* Support new features
1413 -* For bug fix
1414 -* Change LoRaWAN bands.
1744 +* (((
1745 +Support new features
1746 +)))
1747 +* (((
1748 +For bug fix
1749 +)))
1750 +* (((
1751 +Change LoRaWAN bands.
1752 +)))
1415 1415  
1754 +(((
1416 1416  Below shows the hardware connection for how to upload an image to RS485-BL:
1756 +)))
1417 1417  
1418 1418  [[image:1654136646995-976.png]]
1419 1419