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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 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  
... ... @@ -1125,6 +1125,7 @@
1125 1125  
1126 1126  
1127 1127  
1190 +
1128 1128  ==== **Uplink payload mode** ====
1129 1129  
1130 1130  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1171,7 +1171,9 @@
1171 1171  
1172 1172  * **AT Command:**
1173 1173  
1237 +(((
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
1239 +)))
1175 1175  
1176 1176  Example screen shot after clear all RS485 commands. 
1177 1177  
... ... @@ -1187,6 +1187,7 @@
1187 1187  
1188 1188  
1189 1189  
1255 +
1190 1190  ==== **Set Serial Communication Parameters** ====
1191 1191  
1192 1192  Set the Rs485 serial communication parameters:
... ... @@ -1230,6 +1230,7 @@
1230 1230  
1231 1231  
1232 1232  
1299 +
1233 1233  ==== **Control output power duration** ====
1234 1234  
1235 1235  User can set the output power duration before each sampling.
... ... @@ -1253,44 +1253,83 @@
1253 1253  
1254 1254  == 3.6 Buttons ==
1255 1255  
1256 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1323 +(% 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  
1327 +
1328 +
1260 1260  == 3.7 +3V3 Output ==
1261 1261  
1331 +(((
1262 1262  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1333 +)))
1263 1263  
1335 +(((
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. 
1337 +)))
1265 1265  
1339 +(((
1266 1266  The +3V3 output time can be controlled by AT Command.
1341 +)))
1267 1267  
1343 +(((
1344 +
1345 +)))
1268 1268  
1347 +(((
1269 1269  (% style="color:#037691" %)**AT+3V3T=1000**
1349 +)))
1270 1270  
1351 +(((
1352 +
1353 +)))
1271 1271  
1355 +(((
1272 1272  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1357 +)))
1273 1273  
1359 +(((
1274 1274  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1361 +)))
1275 1275  
1276 1276  
1277 1277  == 3.8 +5V Output ==
1278 1278  
1366 +(((
1279 1279  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1368 +)))
1280 1280  
1370 +(((
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. 
1372 +)))
1282 1282  
1374 +(((
1283 1283  The 5V output time can be controlled by AT Command.
1376 +)))
1284 1284  
1378 +(((
1379 +
1380 +)))
1285 1285  
1382 +(((
1286 1286  (% style="color:#037691" %)**AT+5VT=1000**
1384 +)))
1287 1287  
1386 +(((
1387 +
1388 +)))
1288 1288  
1390 +(((
1289 1289  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1392 +)))
1290 1290  
1394 +(((
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.
1396 +)))
1292 1292  
1293 1293  
1399 +
1294 1294  == 3.9 LEDs ==
1295 1295  
1296 1296  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1297,6 +1297,8 @@
1297 1297  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1298 1298  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1299 1299  
1406 +
1407 +
1300 1300  == 3.10 Switch Jumper ==
1301 1301  
1302 1302  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1312,9 +1312,13 @@
1312 1312  3.3v position: set to compatible with 3.3v I/O.,
1313 1313  )))
1314 1314  
1423 +(((
1315 1315  **+3.3V**: is always ON
1425 +)))
1316 1316  
1427 +(((
1317 1317  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1429 +)))
1318 1318  
1319 1319  
1320 1320  = 4. Case Study =
... ... @@ -1326,17 +1326,23 @@
1326 1326  
1327 1327  == 5.1 Access AT Command ==
1328 1328  
1441 +(((
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.
1443 +)))
1330 1330  
1331 1331  [[image:1654135840598-282.png]]
1332 1332  
1333 1333  
1448 +(((
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:
1450 +)))
1335 1335  
1336 1336  [[image:1654136105500-922.png]]
1337 1337  
1338 1338  
1455 +(((
1339 1339  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1457 +)))
1340 1340  
1341 1341  
1342 1342  == 5.2 Common AT Command Sequence ==
... ... @@ -1361,7 +1361,9 @@
1361 1361  )))
1362 1362  
1363 1363  
1482 +(((
1364 1364  If device already joined network:
1484 +)))
1365 1365  
1366 1366  (% class="box infomessage" %)
1367 1367  (((
... ... @@ -1400,10 +1400,12 @@
1400 1400  
1401 1401  (% style="color:red" %)**Note:**
1402 1402  
1523 +(((
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
1528 +)))
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  
1537 +(((
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:
1539 +)))
1416 1416  
1417 -* Support new features
1418 -* For bug fix
1419 -* Change LoRaWAN bands.
1541 +* (((
1542 +Support new features
1543 +)))
1544 +* (((
1545 +For bug fix
1546 +)))
1547 +* (((
1548 +Change LoRaWAN bands.
1549 +)))
1420 1420  
1551 +(((
1421 1421  Below shows the hardware connection for how to upload an image to RS485-BL:
1553 +)))
1422 1422  
1423 1423  [[image:1654136646995-976.png]]
1424 1424  
... ... @@ -1484,6 +1484,8 @@
1484 1484  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1485 1485  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1486 1486  
1619 +
1620 +
1487 1487  = 9. Packing Info =
1488 1488  
1489 1489  (((