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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.16
edited by Xiaoling
on 2022/06/06 11:03
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
... ... @@ -872,7 +872,7 @@
872 872  )))
873 873  
874 874  (((
875 -**}**
875 +{{{}}}}
876 876  
877 877  
878 878  )))
... ... @@ -886,13 +886,21 @@
886 886  
887 887  == 3.5 Configure RS485-BL via AT or Downlink ==
888 888  
889 +(((
889 889  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
891 +)))
890 890  
893 +(((
891 891  There are two kinds of Commands:
895 +)))
892 892  
893 -* (% 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 +)))
894 894  
895 -* (% 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 +)))
896 896  
897 897  
898 898  
... ... @@ -931,51 +931,101 @@
931 931  
932 932  ==== **RS485 Debug Command (AT+CFGDEV)** ====
933 933  
942 +(((
934 934  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
944 +)))
935 935  
936 -* **AT Command**
946 +* (((
947 +**AT Command**
948 +)))
937 937  
938 938  (% class="box infomessage" %)
939 939  (((
952 +(((
940 940  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
941 941  )))
955 +)))
942 942  
957 +(((
943 943  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
959 +)))
944 944  
961 +(((
962 +
963 +)))
945 945  
946 -* **Downlink Payload**
965 +* (((
966 +**Downlink Payload**
967 +)))
947 947  
969 +(((
948 948  Format: A8 MM NN XX XX XX XX YY
971 +)))
949 949  
973 +(((
950 950  Where:
975 +)))
951 951  
952 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
953 -* NN: The length of RS485 command
954 -* XX XX XX XX: RS485 command total NN bytes
955 -* 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 +)))
956 956  
990 +(((
957 957  **Example 1:**
992 +)))
958 958  
994 +(((
959 959  To connect a Modbus Alarm with below commands.
996 +)))
960 960  
961 -* 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 +)))
962 962  
963 -* 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 +)))
964 964  
1006 +(((
965 965  So if user want to use downlink command to control to RS485 Alarm, he can use:
1008 +)))
966 966  
1010 +(((
967 967  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1012 +)))
968 968  
1014 +(((
969 969  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1016 +)))
970 970  
1018 +(((
971 971  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 +)))
972 972  
1022 +(((
1023 +
1024 +)))
973 973  
1026 +(((
974 974  **Example 2:**
1028 +)))
975 975  
1030 +(((
976 976  Check TTL Sensor return:
1032 +)))
977 977  
1034 +(((
978 978  [[image:1654132684752-193.png]]
1036 +)))
979 979  
980 980  
981 981  
... ... @@ -1262,7 +1262,7 @@
1262 1262  
1263 1263  == 3.6 Buttons ==
1264 1264  
1265 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1323 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1266 1266  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1267 1267  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1268 1268  
... ... @@ -1270,38 +1270,75 @@
1270 1270  
1271 1271  == 3.7 +3V3 Output ==
1272 1272  
1331 +(((
1273 1273  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1333 +)))
1274 1274  
1335 +(((
1275 1275  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 +)))
1276 1276  
1339 +(((
1277 1277  The +3V3 output time can be controlled by AT Command.
1341 +)))
1278 1278  
1343 +(((
1344 +
1345 +)))
1279 1279  
1347 +(((
1280 1280  (% style="color:#037691" %)**AT+3V3T=1000**
1349 +)))
1281 1281  
1351 +(((
1352 +
1353 +)))
1282 1282  
1355 +(((
1283 1283  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1357 +)))
1284 1284  
1359 +(((
1285 1285  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1361 +)))
1286 1286  
1287 1287  
1288 1288  == 3.8 +5V Output ==
1289 1289  
1366 +(((
1290 1290  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1368 +)))
1291 1291  
1370 +(((
1292 1292  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 +)))
1293 1293  
1374 +(((
1294 1294  The 5V output time can be controlled by AT Command.
1376 +)))
1295 1295  
1378 +(((
1379 +
1380 +)))
1296 1296  
1382 +(((
1297 1297  (% style="color:#037691" %)**AT+5VT=1000**
1384 +)))
1298 1298  
1386 +(((
1387 +
1388 +)))
1299 1299  
1390 +(((
1300 1300  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1392 +)))
1301 1301  
1394 +(((
1302 1302  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 +)))
1303 1303  
1304 1304  
1399 +
1305 1305  == 3.9 LEDs ==
1306 1306  
1307 1307  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
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1308 1308  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1309 1309  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1310 1310  
1406 +
1407 +
1311 1311  == 3.10 Switch Jumper ==
1312 1312  
1313 1313  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1323,9 +1323,13 @@
1323 1323  3.3v position: set to compatible with 3.3v I/O.,
1324 1324  )))
1325 1325  
1423 +(((
1326 1326  **+3.3V**: is always ON
1425 +)))
1327 1327  
1427 +(((
1328 1328  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1429 +)))
1329 1329  
1330 1330  
1331 1331  = 4. Case Study =
... ... @@ -1337,17 +1337,23 @@
1337 1337  
1338 1338  == 5.1 Access AT Command ==
1339 1339  
1441 +(((
1340 1340  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 +)))
1341 1341  
1342 1342  [[image:1654135840598-282.png]]
1343 1343  
1344 1344  
1448 +(((
1345 1345  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 +)))
1346 1346  
1347 1347  [[image:1654136105500-922.png]]
1348 1348  
1349 1349  
1455 +(((
1350 1350  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1457 +)))
1351 1351  
1352 1352  
1353 1353  == 5.2 Common AT Command Sequence ==
... ... @@ -1372,7 +1372,9 @@
1372 1372  )))
1373 1373  
1374 1374  
1482 +(((
1375 1375  If device already joined network:
1484 +)))
1376 1376  
1377 1377  (% class="box infomessage" %)
1378 1378  (((
... ... @@ -1411,10 +1411,12 @@
1411 1411  
1412 1412  (% style="color:red" %)**Note:**
1413 1413  
1523 +(((
1414 1414  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1415 1415  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1416 1416  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.
1417 1417  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 +)))
1418 1418  
1419 1419  [[image:1654136435598-589.png]]
1420 1420  
... ... @@ -1423,13 +1423,23 @@
1423 1423  
1424 1424  == 6.1 How to upgrade the image? ==
1425 1425  
1537 +(((
1426 1426  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1539 +)))
1427 1427  
1428 -* Support new features
1429 -* For bug fix
1430 -* Change LoRaWAN bands.
1541 +* (((
1542 +Support new features
1543 +)))
1544 +* (((
1545 +For bug fix
1546 +)))
1547 +* (((
1548 +Change LoRaWAN bands.
1549 +)))
1431 1431  
1551 +(((
1432 1432  Below shows the hardware connection for how to upload an image to RS485-BL:
1553 +)))
1433 1433  
1434 1434  [[image:1654136646995-976.png]]
1435 1435  
... ... @@ -1495,6 +1495,8 @@
1495 1495  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1496 1496  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1497 1497  
1619 +
1620 +
1498 1498  = 9. Packing Info =
1499 1499  
1500 1500  (((