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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.9
edited by Xiaoling
on 2022/06/06 10:57
Change comment: There is no comment for this version
To version 41.33
edited by Xiaoling
on 2022/06/06 11:18
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -510,6 +510,10 @@
510 510  )))
511 511  
512 512  (((
513 +
514 +)))
515 +
516 +(((
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 -**}**
875 +{{{}}}}
872 872  
873 873  
874 874  )))
... ... @@ -882,13 +882,21 @@
882 882  
883 883  == 3.5 Configure RS485-BL via AT or Downlink ==
884 884  
889 +(((
885 885  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
891 +)))
886 886  
893 +(((
887 887  There are two kinds of Commands:
895 +)))
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]]
897 +* (((
898 +(% 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]]
899 +)))
890 890  
891 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
901 +* (((
902 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
903 +)))
892 892  
893 893  
894 894  
... ... @@ -927,51 +927,101 @@
927 927  
928 928  ==== **RS485 Debug Command (AT+CFGDEV)** ====
929 929  
942 +(((
930 930  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
944 +)))
931 931  
932 -* **AT Command**
946 +* (((
947 +**AT Command**
948 +)))
933 933  
934 934  (% class="box infomessage" %)
935 935  (((
952 +(((
936 936  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
937 937  )))
955 +)))
938 938  
957 +(((
939 939  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
959 +)))
940 940  
961 +(((
962 +
963 +)))
941 941  
942 -* **Downlink Payload**
965 +* (((
966 +**Downlink Payload**
967 +)))
943 943  
969 +(((
944 944  Format: A8 MM NN XX XX XX XX YY
971 +)))
945 945  
973 +(((
946 946  Where:
975 +)))
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
977 +* (((
978 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
979 +)))
980 +* (((
981 +NN: The length of RS485 command
982 +)))
983 +* (((
984 +XX XX XX XX: RS485 command total NN bytes
985 +)))
986 +* (((
987 +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
988 +)))
952 952  
990 +(((
953 953  **Example 1:**
992 +)))
954 954  
994 +(((
955 955  To connect a Modbus Alarm with below commands.
996 +)))
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.
998 +* (((
999 +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.
1000 +)))
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.
1002 +* (((
1003 +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.
1004 +)))
960 960  
1006 +(((
961 961  So if user want to use downlink command to control to RS485 Alarm, he can use:
1008 +)))
962 962  
1010 +(((
963 963  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1012 +)))
964 964  
1014 +(((
965 965  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1016 +)))
966 966  
1018 +(((
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.
1020 +)))
968 968  
1022 +(((
1023 +
1024 +)))
969 969  
1026 +(((
970 970  **Example 2:**
1028 +)))
971 971  
1030 +(((
972 972  Check TTL Sensor return:
1032 +)))
973 973  
1034 +(((
974 974  [[image:1654132684752-193.png]]
1036 +)))
975 975  
976 976  
977 977  
... ... @@ -1093,6 +1093,7 @@
1093 1093  
1094 1094  
1095 1095  
1158 +
1096 1096  ==== **RS485 command timeout** ====
1097 1097  
1098 1098  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.
... ... @@ -1124,6 +1124,7 @@
1124 1124  
1125 1125  
1126 1126  
1190 +
1127 1127  ==== **Uplink payload mode** ====
1128 1128  
1129 1129  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1170,7 +1170,9 @@
1170 1170  
1171 1171  * **AT Command:**
1172 1172  
1237 +(((
1173 1173  (% 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
1239 +)))
1174 1174  
1175 1175  Example screen shot after clear all RS485 commands. 
1176 1176  
... ... @@ -1186,6 +1186,7 @@
1186 1186  
1187 1187  
1188 1188  
1255 +
1189 1189  ==== **Set Serial Communication Parameters** ====
1190 1190  
1191 1191  Set the Rs485 serial communication parameters:
... ... @@ -1229,6 +1229,7 @@
1229 1229  
1230 1230  
1231 1231  
1299 +
1232 1232  ==== **Control output power duration** ====
1233 1233  
1234 1234  User can set the output power duration before each sampling.
... ... @@ -1252,44 +1252,83 @@
1252 1252  
1253 1253  == 3.6 Buttons ==
1254 1254  
1255 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1323 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1256 1256  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1257 1257  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1258 1258  
1327 +
1328 +
1259 1259  == 3.7 +3V3 Output ==
1260 1260  
1331 +(((
1261 1261  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1333 +)))
1262 1262  
1335 +(((
1263 1263  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. 
1337 +)))
1264 1264  
1339 +(((
1265 1265  The +3V3 output time can be controlled by AT Command.
1341 +)))
1266 1266  
1343 +(((
1344 +
1345 +)))
1267 1267  
1347 +(((
1268 1268  (% style="color:#037691" %)**AT+3V3T=1000**
1349 +)))
1269 1269  
1351 +(((
1352 +
1353 +)))
1270 1270  
1355 +(((
1271 1271  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1357 +)))
1272 1272  
1359 +(((
1273 1273  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1361 +)))
1274 1274  
1275 1275  
1276 1276  == 3.8 +5V Output ==
1277 1277  
1366 +(((
1278 1278  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1368 +)))
1279 1279  
1370 +(((
1280 1280  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. 
1372 +)))
1281 1281  
1374 +(((
1282 1282  The 5V output time can be controlled by AT Command.
1376 +)))
1283 1283  
1378 +(((
1379 +
1380 +)))
1284 1284  
1382 +(((
1285 1285  (% style="color:#037691" %)**AT+5VT=1000**
1384 +)))
1286 1286  
1386 +(((
1387 +
1388 +)))
1287 1287  
1390 +(((
1288 1288  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1392 +)))
1289 1289  
1394 +(((
1290 1290  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.
1396 +)))
1291 1291  
1292 1292  
1399 +
1293 1293  == 3.9 LEDs ==
1294 1294  
1295 1295  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1296,6 +1296,8 @@
1296 1296  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1297 1297  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1298 1298  
1406 +
1407 +
1299 1299  == 3.10 Switch Jumper ==
1300 1300  
1301 1301  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1311,9 +1311,13 @@
1311 1311  3.3v position: set to compatible with 3.3v I/O.,
1312 1312  )))
1313 1313  
1423 +(((
1314 1314  **+3.3V**: is always ON
1425 +)))
1315 1315  
1427 +(((
1316 1316  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1429 +)))
1317 1317  
1318 1318  
1319 1319  = 4. Case Study =
... ... @@ -1325,17 +1325,23 @@
1325 1325  
1326 1326  == 5.1 Access AT Command ==
1327 1327  
1441 +(((
1328 1328  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.
1443 +)))
1329 1329  
1330 1330  [[image:1654135840598-282.png]]
1331 1331  
1332 1332  
1448 +(((
1333 1333  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:
1450 +)))
1334 1334  
1335 1335  [[image:1654136105500-922.png]]
1336 1336  
1337 1337  
1455 +(((
1338 1338  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1457 +)))
1339 1339  
1340 1340  
1341 1341  == 5.2 Common AT Command Sequence ==
... ... @@ -1360,7 +1360,9 @@
1360 1360  )))
1361 1361  
1362 1362  
1482 +(((
1363 1363  If device already joined network:
1484 +)))
1364 1364  
1365 1365  (% class="box infomessage" %)
1366 1366  (((
... ... @@ -1399,10 +1399,12 @@
1399 1399  
1400 1400  (% style="color:red" %)**Note:**
1401 1401  
1523 +(((
1402 1402  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1403 1403  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1404 1404  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.
1405 1405  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
1528 +)))
1406 1406  
1407 1407  [[image:1654136435598-589.png]]
1408 1408  
... ... @@ -1411,13 +1411,23 @@
1411 1411  
1412 1412  == 6.1 How to upgrade the image? ==
1413 1413  
1537 +(((
1414 1414  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1539 +)))
1415 1415  
1416 -* Support new features
1417 -* For bug fix
1418 -* Change LoRaWAN bands.
1541 +* (((
1542 +Support new features
1543 +)))
1544 +* (((
1545 +For bug fix
1546 +)))
1547 +* (((
1548 +Change LoRaWAN bands.
1549 +)))
1419 1419  
1551 +(((
1420 1420  Below shows the hardware connection for how to upload an image to RS485-BL:
1553 +)))
1421 1421  
1422 1422  [[image:1654136646995-976.png]]
1423 1423  
... ... @@ -1483,6 +1483,8 @@
1483 1483  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1484 1484  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1485 1485  
1619 +
1620 +
1486 1486  = 9. Packing Info =
1487 1487  
1488 1488  (((