Skip to Content
Last modified by Xiaoling on 2025/04/23 15:57
From version 41.4
edited by Xiaoling
on 2022/06/06 10:54
Change comment: There is no comment for this version
To version 42.4
edited by Xiaoling
on 2022/06/06 12:02
Change comment: There is no comment for this version

Summary

Details

Page properties
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
... ... @@ -383,7 +383,6 @@
383 383  )))
384 384  
385 385  
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" %)(((
397 +|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
398 +|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
404 +)))|(% 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  (((
512 +
513 +)))
514 +
515 +(((
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 -**}**
874 +}
872 872  
873 873  
874 874  )))
... ... @@ -882,16 +882,23 @@
882 882  
883 883  == 3.5 Configure RS485-BL via AT or Downlink ==
884 884  
888 +(((
885 885  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
890 +)))
886 886  
892 +(((
887 887  There are two kinds of Commands:
894 +)))
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]]
896 +* (((
897 +(% 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]]
898 +)))
890 890  
891 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
900 +* (((
901 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
902 +)))
892 892  
893 893  
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  
913 +
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.
... ... @@ -923,57 +923,109 @@
923 923  
924 924  
925 925  
937 +
926 926  ==== **RS485 Debug Command (AT+CFGDEV)** ====
927 927  
940 +(((
928 928  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
942 +)))
929 929  
930 -* **AT Command**
944 +* (((
945 +**AT Command**
946 +)))
931 931  
932 932  (% class="box infomessage" %)
933 933  (((
950 +(((
934 934  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
935 935  )))
953 +)))
936 936  
955 +(((
937 937  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
957 +)))
938 938  
959 +(((
960 +
961 +)))
939 939  
940 -* **Downlink Payload**
963 +* (((
964 +**Downlink Payload**
965 +)))
941 941  
967 +(((
942 942  Format: A8 MM NN XX XX XX XX YY
969 +)))
943 943  
971 +(((
944 944  Where:
973 +)))
945 945  
946 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
947 -* NN: The length of RS485 command
948 -* XX XX XX XX: RS485 command total NN bytes
949 -* 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
975 +* (((
976 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
977 +)))
978 +* (((
979 +NN: The length of RS485 command
980 +)))
981 +* (((
982 +XX XX XX XX: RS485 command total NN bytes
983 +)))
984 +* (((
985 +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
986 +)))
950 950  
988 +(((
951 951  **Example 1:**
990 +)))
952 952  
992 +(((
953 953  To connect a Modbus Alarm with below commands.
994 +)))
954 954  
955 -* 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 +* (((
997 +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.
998 +)))
956 956  
957 -* 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 +* (((
1001 +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.
1002 +)))
958 958  
1004 +(((
959 959  So if user want to use downlink command to control to RS485 Alarm, he can use:
1006 +)))
960 960  
1008 +(((
961 961  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1010 +)))
962 962  
1012 +(((
963 963  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1014 +)))
964 964  
1016 +(((
965 965  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.
1018 +)))
966 966  
1020 +(((
1021 +
1022 +)))
967 967  
1024 +(((
968 968  **Example 2:**
1026 +)))
969 969  
1028 +(((
970 970  Check TTL Sensor return:
1030 +)))
971 971  
1032 +(((
972 972  [[image:1654132684752-193.png]]
1034 +)))
973 973  
974 974  
975 975  
976 976  
1039 +
977 977  ==== **Set Payload version** ====
978 978  
979 979  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.
... ... @@ -994,87 +994,171 @@
994 994  
995 995  
996 996  
1060 +
997 997  ==== **Set RS485 Sampling Commands** ====
998 998  
1063 +(((
999 999  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1065 +)))
1000 1000  
1067 +(((
1001 1001  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"]].
1069 +)))
1002 1002  
1071 +(((
1072 +
1073 +)))
1003 1003  
1004 -* **AT Command:**
1075 +* (((
1076 +**AT Command:**
1077 +)))
1005 1005  
1006 1006  (% class="box infomessage" %)
1007 1007  (((
1081 +(((
1008 1008  **AT+COMMANDx: Configure RS485 read command to sensor.**
1009 1009  )))
1084 +)))
1010 1010  
1011 1011  (% class="box infomessage" %)
1012 1012  (((
1088 +(((
1013 1013  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1014 1014  )))
1091 +)))
1015 1015  
1016 1016  (% class="box infomessage" %)
1017 1017  (((
1095 +(((
1018 1018  **AT+SEARCHx: Configure search command**
1019 1019  )))
1098 +)))
1020 1020  
1100 +(((
1101 +
1102 +)))
1021 1021  
1022 -* **Downlink Payload:**
1104 +* (((
1105 +**Downlink Payload:**
1106 +)))
1023 1023  
1108 +(((
1024 1024  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1110 +)))
1025 1025  
1112 +(((
1026 1026  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1114 +)))
1027 1027  
1116 +(((
1028 1028  Format: AF MM NN LL XX XX XX XX YY
1118 +)))
1029 1029  
1120 +(((
1030 1030  Where:
1122 +)))
1031 1031  
1032 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1033 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1034 -* LL:  The length of AT+COMMAND or AT+DATACUT command
1035 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1036 -* 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.
1124 +* (((
1125 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1126 +)))
1127 +* (((
1128 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1129 +)))
1130 +* (((
1131 +LL:  The length of AT+COMMAND or AT+DATACUT command
1132 +)))
1133 +* (((
1134 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
1135 +)))
1136 +* (((
1137 +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.
1138 +)))
1037 1037  
1140 +(((
1038 1038  **Example:**
1142 +)))
1039 1039  
1144 +(((
1040 1040  (% 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
1146 +)))
1041 1041  
1148 +(((
1042 1042  (% 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**
1150 +)))
1043 1043  
1152 +(((
1044 1044  (% 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**
1154 +)))
1045 1045  
1156 +(((
1157 +
1158 +)))
1046 1046  
1160 +(((
1047 1047  **0xAB** downlink command can be used for set AT+SEARCHx
1162 +)))
1048 1048  
1164 +(((
1049 1049  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1166 +)))
1050 1050  
1051 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1052 -* 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
1168 +* (((
1169 +AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1170 +)))
1171 +* (((
1172 +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
1173 +)))
1053 1053  
1175 +(((
1054 1054  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1177 +)))
1055 1055  
1056 1056  
1057 1057  
1181 +
1058 1058  ==== **Fast command to handle MODBUS device** ====
1059 1059  
1184 +(((
1060 1060  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]].
1186 +)))
1061 1061  
1188 +(((
1062 1062  This command is valid since v1.3 firmware version
1190 +)))
1063 1063  
1192 +(((
1193 +
1194 +)))
1064 1064  
1196 +(((
1065 1065  **AT+MBFUN has only two value:**
1198 +)))
1066 1066  
1067 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1200 +* (((
1201 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1202 +)))
1068 1068  
1204 +(((
1069 1069  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.
1206 +)))
1070 1070  
1071 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1208 +* (((
1209 +**AT+MBFUN=0**: Disable Modbus fast reading.
1210 +)))
1072 1072  
1212 +(((
1073 1073  **Example:**
1214 +)))
1074 1074  
1075 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1076 -* 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.
1077 -* 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.
1216 +* (((
1217 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1218 +)))
1219 +* (((
1220 +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.
1221 +)))
1222 +* (((
1223 +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.
1224 +)))
1078 1078  
1079 1079  [[image:1654133913295-597.png]]
1080 1080  
... ... @@ -1082,67 +1082,120 @@
1082 1082  [[image:1654133954153-643.png]]
1083 1083  
1084 1084  
1085 -* **Downlink Commands:**
1232 +* (((
1233 +**Downlink Commands:**
1234 +)))
1086 1086  
1236 +(((
1087 1087  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1238 +)))
1088 1088  
1089 1089  
1090 1090  
1242 +
1091 1091  ==== **RS485 command timeout** ====
1092 1092  
1245 +(((
1093 1093  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.
1247 +)))
1094 1094  
1249 +(((
1095 1095  Default value: 0, range:  0 ~~ 5 seconds
1251 +)))
1096 1096  
1253 +(((
1254 +
1255 +)))
1097 1097  
1098 -* **AT Command:**
1257 +* (((
1258 +**AT Command:**
1259 +)))
1099 1099  
1100 1100  (% class="box infomessage" %)
1101 1101  (((
1263 +(((
1102 1102  **AT+CMDDLaa=hex(bb cc)**
1103 1103  )))
1266 +)))
1104 1104  
1268 +(((
1105 1105  **Example:**
1270 +)))
1106 1106  
1272 +(((
1107 1107  **AT+CMDDL1=1000** to send the open time to 1000ms
1274 +)))
1108 1108  
1276 +(((
1277 +
1278 +)))
1109 1109  
1110 -* **Downlink Payload:**
1280 +* (((
1281 +**Downlink Payload:**
1282 +)))
1111 1111  
1284 +(((
1112 1112  0x AA aa bb cc
1286 +)))
1113 1113  
1288 +(((
1114 1114  Same as: AT+CMDDLaa=hex(bb cc)
1290 +)))
1115 1115  
1292 +(((
1116 1116   **Example:**
1294 +)))
1117 1117  
1296 +(((
1118 1118   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1298 +)))
1119 1119  
1120 1120  
1121 1121  
1302 +
1122 1122  ==== **Uplink payload mode** ====
1123 1123  
1305 +(((
1124 1124  Define to use one uplink or multiple uplinks for the sampling.
1307 +)))
1125 1125  
1309 +(((
1126 1126  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1311 +)))
1127 1127  
1128 -* **AT Command:**
1313 +* (((
1314 +**AT Command:**
1315 +)))
1129 1129  
1130 1130  (% class="box infomessage" %)
1131 1131  (((
1319 +(((
1132 1132  **AT+DATAUP=0**
1133 1133  )))
1322 +)))
1134 1134  
1135 1135  (% class="box infomessage" %)
1136 1136  (((
1326 +(((
1137 1137  **AT+DATAUP=1**
1138 1138  )))
1329 +)))
1139 1139  
1331 +(((
1332 +
1333 +)))
1140 1140  
1141 -* **Downlink Payload:**
1335 +* (((
1336 +**Downlink Payload:**
1337 +)))
1142 1142  
1339 +(((
1143 1143  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1341 +)))
1144 1144  
1343 +(((
1145 1145  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1345 +)))
1146 1146  
1147 1147  
1148 1148  
... ... @@ -1160,131 +1160,248 @@
1160 1160  
1161 1161  ==== **Clear RS485 Command** ====
1162 1162  
1363 +(((
1163 1163  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1365 +)))
1164 1164  
1367 +(((
1368 +
1369 +)))
1165 1165  
1166 -* **AT Command:**
1371 +* (((
1372 +**AT Command:**
1373 +)))
1167 1167  
1375 +(((
1168 1168  (% 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
1377 +)))
1169 1169  
1379 +(((
1170 1170  Example screen shot after clear all RS485 commands. 
1381 +)))
1171 1171  
1383 +(((
1384 +
1385 +)))
1172 1172  
1387 +(((
1173 1173  The uplink screen shot is:
1389 +)))
1174 1174  
1391 +(((
1175 1175  [[image:1654134704555-320.png]]
1393 +)))
1176 1176  
1395 +(((
1396 +
1397 +)))
1177 1177  
1178 -* **Downlink Payload:**
1399 +* (((
1400 +**Downlink Payload:**
1401 +)))
1179 1179  
1403 +(((
1180 1180  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1405 +)))
1181 1181  
1182 1182  
1183 1183  
1409 +
1184 1184  ==== **Set Serial Communication Parameters** ====
1185 1185  
1412 +(((
1186 1186  Set the Rs485 serial communication parameters:
1414 +)))
1187 1187  
1188 -* **AT Command:**
1416 +* (((
1417 +**AT Command:**
1418 +)))
1189 1189  
1420 +(((
1190 1190  Set Baud Rate:
1422 +)))
1191 1191  
1192 1192  (% class="box infomessage" %)
1193 1193  (((
1426 +(((
1194 1194  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1195 1195  )))
1429 +)))
1196 1196  
1431 +(((
1197 1197  Set UART Parity
1433 +)))
1198 1198  
1199 1199  (% class="box infomessage" %)
1200 1200  (((
1437 +(((
1201 1201  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1202 1202  )))
1440 +)))
1203 1203  
1442 +(((
1204 1204  Set STOPBIT
1444 +)))
1205 1205  
1206 1206  (% class="box infomessage" %)
1207 1207  (((
1448 +(((
1208 1208  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1209 1209  )))
1451 +)))
1210 1210  
1453 +(((
1454 +
1455 +)))
1211 1211  
1212 -* **Downlink Payload:**
1457 +* (((
1458 +**Downlink Payload:**
1459 +)))
1213 1213  
1461 +(((
1214 1214  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1463 +)))
1215 1215  
1465 +(((
1216 1216  **Example:**
1467 +)))
1217 1217  
1218 -* A7 01 00 60   same as AT+BAUDR=9600
1219 -* A7 01 04 80  same as AT+BAUDR=115200
1469 +* (((
1470 +A7 01 00 60   same as AT+BAUDR=9600
1471 +)))
1472 +* (((
1473 +A7 01 04 80  same as AT+BAUDR=115200
1474 +)))
1220 1220  
1476 +(((
1221 1221  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1478 +)))
1222 1222  
1480 +(((
1223 1223  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1482 +)))
1224 1224  
1225 1225  
1226 1226  
1486 +
1227 1227  ==== **Control output power duration** ====
1228 1228  
1489 +(((
1229 1229  User can set the output power duration before each sampling.
1491 +)))
1230 1230  
1231 -* **AT Command:**
1493 +* (((
1494 +**AT Command:**
1495 +)))
1232 1232  
1497 +(((
1233 1233  **Example:**
1499 +)))
1234 1234  
1501 +(((
1235 1235  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1503 +)))
1236 1236  
1505 +(((
1237 1237  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1507 +)))
1238 1238  
1509 +(((
1510 +
1511 +)))
1239 1239  
1240 -* **LoRaWAN Downlink Command:**
1513 +* (((
1514 +**LoRaWAN Downlink Command:**
1515 +)))
1241 1241  
1517 +(((
1242 1242  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1519 +)))
1243 1243  
1521 +(((
1244 1244  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1523 +)))
1245 1245  
1246 1246  
1247 1247  
1248 1248  == 3.6 Buttons ==
1249 1249  
1250 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1529 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1251 1251  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1252 1252  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1253 1253  
1533 +
1254 1254  == 3.7 +3V3 Output ==
1255 1255  
1536 +(((
1256 1256  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1538 +)))
1257 1257  
1540 +(((
1258 1258  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. 
1542 +)))
1259 1259  
1544 +(((
1260 1260  The +3V3 output time can be controlled by AT Command.
1546 +)))
1261 1261  
1548 +(((
1549 +
1550 +)))
1262 1262  
1552 +(((
1263 1263  (% style="color:#037691" %)**AT+3V3T=1000**
1554 +)))
1264 1264  
1556 +(((
1557 +
1558 +)))
1265 1265  
1560 +(((
1266 1266  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1562 +)))
1267 1267  
1564 +(((
1268 1268  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1566 +)))
1269 1269  
1270 1270  
1271 1271  == 3.8 +5V Output ==
1272 1272  
1571 +(((
1273 1273  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1573 +)))
1274 1274  
1575 +(((
1275 1275  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. 
1577 +)))
1276 1276  
1579 +(((
1277 1277  The 5V output time can be controlled by AT Command.
1581 +)))
1278 1278  
1583 +(((
1584 +
1585 +)))
1279 1279  
1587 +(((
1280 1280  (% style="color:#037691" %)**AT+5VT=1000**
1589 +)))
1281 1281  
1591 +(((
1592 +
1593 +)))
1282 1282  
1595 +(((
1283 1283  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1597 +)))
1284 1284  
1599 +(((
1285 1285  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.
1601 +)))
1286 1286  
1287 1287  
1604 +
1288 1288  == 3.9 LEDs ==
1289 1289  
1290 1290  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1291,6 +1291,7 @@
1291 1291  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1292 1292  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1293 1293  
1611 +
1294 1294  == 3.10 Switch Jumper ==
1295 1295  
1296 1296  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1306,9 +1306,13 @@
1306 1306  3.3v position: set to compatible with 3.3v I/O.,
1307 1307  )))
1308 1308  
1627 +(((
1309 1309  **+3.3V**: is always ON
1629 +)))
1310 1310  
1631 +(((
1311 1311  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1633 +)))
1312 1312  
1313 1313  
1314 1314  = 4. Case Study =
... ... @@ -1320,17 +1320,23 @@
1320 1320  
1321 1321  == 5.1 Access AT Command ==
1322 1322  
1645 +(((
1323 1323  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.
1647 +)))
1324 1324  
1325 1325  [[image:1654135840598-282.png]]
1326 1326  
1327 1327  
1652 +(((
1328 1328  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:
1654 +)))
1329 1329  
1330 1330  [[image:1654136105500-922.png]]
1331 1331  
1332 1332  
1659 +(((
1333 1333  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1661 +)))
1334 1334  
1335 1335  
1336 1336  == 5.2 Common AT Command Sequence ==
... ... @@ -1355,7 +1355,9 @@
1355 1355  )))
1356 1356  
1357 1357  
1686 +(((
1358 1358  If device already joined network:
1688 +)))
1359 1359  
1360 1360  (% class="box infomessage" %)
1361 1361  (((
... ... @@ -1394,10 +1394,12 @@
1394 1394  
1395 1395  (% style="color:red" %)**Note:**
1396 1396  
1727 +(((
1397 1397  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1398 1398  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1399 1399  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.
1400 1400  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
1732 +)))
1401 1401  
1402 1402  [[image:1654136435598-589.png]]
1403 1403  
... ... @@ -1406,13 +1406,23 @@
1406 1406  
1407 1407  == 6.1 How to upgrade the image? ==
1408 1408  
1741 +(((
1409 1409  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1743 +)))
1410 1410  
1411 -* Support new features
1412 -* For bug fix
1413 -* Change LoRaWAN bands.
1745 +* (((
1746 +Support new features
1747 +)))
1748 +* (((
1749 +For bug fix
1750 +)))
1751 +* (((
1752 +Change LoRaWAN bands.
1753 +)))
1414 1414  
1755 +(((
1415 1415  Below shows the hardware connection for how to upload an image to RS485-BL:
1757 +)))
1416 1416  
1417 1417  [[image:1654136646995-976.png]]
1418 1418  
... ... @@ -1478,6 +1478,7 @@
1478 1478  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1479 1479  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1480 1480  
1823 +
1481 1481  = 9. Packing Info =
1482 1482  
1483 1483  (((