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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.2
edited by Xiaoling
on 2022/06/06 10:54
Change comment: There is no comment for this version
To version 41.29
edited by Xiaoling
on 2022/06/06 11:12
Change comment: There is no comment for this version

Summary

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... ... @@ -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  
... ... @@ -882,14 +882,24 @@
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  
905 +
906 +
893 893  === 3.5.1 Common Commands: ===
894 894  
895 895  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]]
... ... @@ -898,6 +898,7 @@
898 898  === 3.5.2 Sensor related commands: ===
899 899  
900 900  
915 +
901 901  ==== **Choose Device Type (RS485 or TTL)** ====
902 902  
903 903  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -921,6 +921,7 @@
921 921  
922 922  
923 923  
939 +
924 924  ==== **RS485 Debug Command (AT+CFGDEV)** ====
925 925  
926 926  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
... ... @@ -960,7 +960,9 @@
960 960  
961 961  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
962 962  
979 +(((
963 963  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.
981 +)))
964 964  
965 965  
966 966  **Example 2:**
... ... @@ -972,6 +972,7 @@
972 972  
973 973  
974 974  
993 +
975 975  ==== **Set Payload version** ====
976 976  
977 977  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.
... ... @@ -992,6 +992,7 @@
992 992  
993 993  
994 994  
1014 +
995 995  ==== **Set RS485 Sampling Commands** ====
996 996  
997 997  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
... ... @@ -1053,6 +1053,7 @@
1053 1053  
1054 1054  
1055 1055  
1076 +
1056 1056  ==== **Fast command to handle MODBUS device** ====
1057 1057  
1058 1058  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]].
... ... @@ -1086,6 +1086,7 @@
1086 1086  
1087 1087  
1088 1088  
1110 +
1089 1089  ==== **RS485 command timeout** ====
1090 1090  
1091 1091  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.
... ... @@ -1117,6 +1117,7 @@
1117 1117  
1118 1118  
1119 1119  
1142 +
1120 1120  ==== **Uplink payload mode** ====
1121 1121  
1122 1122  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1163,7 +1163,9 @@
1163 1163  
1164 1164  * **AT Command:**
1165 1165  
1189 +(((
1166 1166  (% 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
1191 +)))
1167 1167  
1168 1168  Example screen shot after clear all RS485 commands. 
1169 1169  
... ... @@ -1179,6 +1179,7 @@
1179 1179  
1180 1180  
1181 1181  
1207 +
1182 1182  ==== **Set Serial Communication Parameters** ====
1183 1183  
1184 1184  Set the Rs485 serial communication parameters:
... ... @@ -1222,6 +1222,7 @@
1222 1222  
1223 1223  
1224 1224  
1251 +
1225 1225  ==== **Control output power duration** ====
1226 1226  
1227 1227  User can set the output power duration before each sampling.
... ... @@ -1245,44 +1245,83 @@
1245 1245  
1246 1246  == 3.6 Buttons ==
1247 1247  
1248 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1275 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1249 1249  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1250 1250  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1251 1251  
1279 +
1280 +
1252 1252  == 3.7 +3V3 Output ==
1253 1253  
1283 +(((
1254 1254  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1285 +)))
1255 1255  
1287 +(((
1256 1256  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. 
1289 +)))
1257 1257  
1291 +(((
1258 1258  The +3V3 output time can be controlled by AT Command.
1293 +)))
1259 1259  
1295 +(((
1296 +
1297 +)))
1260 1260  
1299 +(((
1261 1261  (% style="color:#037691" %)**AT+3V3T=1000**
1301 +)))
1262 1262  
1303 +(((
1304 +
1305 +)))
1263 1263  
1307 +(((
1264 1264  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1309 +)))
1265 1265  
1311 +(((
1266 1266  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1313 +)))
1267 1267  
1268 1268  
1269 1269  == 3.8 +5V Output ==
1270 1270  
1318 +(((
1271 1271  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1320 +)))
1272 1272  
1322 +(((
1273 1273  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. 
1324 +)))
1274 1274  
1326 +(((
1275 1275  The 5V output time can be controlled by AT Command.
1328 +)))
1276 1276  
1330 +(((
1331 +
1332 +)))
1277 1277  
1334 +(((
1278 1278  (% style="color:#037691" %)**AT+5VT=1000**
1336 +)))
1279 1279  
1338 +(((
1339 +
1340 +)))
1280 1280  
1342 +(((
1281 1281  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1344 +)))
1282 1282  
1346 +(((
1283 1283  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.
1348 +)))
1284 1284  
1285 1285  
1351 +
1286 1286  == 3.9 LEDs ==
1287 1287  
1288 1288  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1289,6 +1289,8 @@
1289 1289  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1290 1290  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1291 1291  
1358 +
1359 +
1292 1292  == 3.10 Switch Jumper ==
1293 1293  
1294 1294  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1304,9 +1304,13 @@
1304 1304  3.3v position: set to compatible with 3.3v I/O.,
1305 1305  )))
1306 1306  
1375 +(((
1307 1307  **+3.3V**: is always ON
1377 +)))
1308 1308  
1379 +(((
1309 1309  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1381 +)))
1310 1310  
1311 1311  
1312 1312  = 4. Case Study =
... ... @@ -1318,17 +1318,23 @@
1318 1318  
1319 1319  == 5.1 Access AT Command ==
1320 1320  
1393 +(((
1321 1321  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.
1395 +)))
1322 1322  
1323 1323  [[image:1654135840598-282.png]]
1324 1324  
1325 1325  
1400 +(((
1326 1326  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:
1402 +)))
1327 1327  
1328 1328  [[image:1654136105500-922.png]]
1329 1329  
1330 1330  
1407 +(((
1331 1331  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1409 +)))
1332 1332  
1333 1333  
1334 1334  == 5.2 Common AT Command Sequence ==
... ... @@ -1353,7 +1353,9 @@
1353 1353  )))
1354 1354  
1355 1355  
1434 +(((
1356 1356  If device already joined network:
1436 +)))
1357 1357  
1358 1358  (% class="box infomessage" %)
1359 1359  (((
... ... @@ -1392,10 +1392,12 @@
1392 1392  
1393 1393  (% style="color:red" %)**Note:**
1394 1394  
1475 +(((
1395 1395  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1396 1396  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1397 1397  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.
1398 1398  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
1480 +)))
1399 1399  
1400 1400  [[image:1654136435598-589.png]]
1401 1401  
... ... @@ -1404,13 +1404,23 @@
1404 1404  
1405 1405  == 6.1 How to upgrade the image? ==
1406 1406  
1489 +(((
1407 1407  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1491 +)))
1408 1408  
1409 -* Support new features
1410 -* For bug fix
1411 -* Change LoRaWAN bands.
1493 +* (((
1494 +Support new features
1495 +)))
1496 +* (((
1497 +For bug fix
1498 +)))
1499 +* (((
1500 +Change LoRaWAN bands.
1501 +)))
1412 1412  
1503 +(((
1413 1413  Below shows the hardware connection for how to upload an image to RS485-BL:
1505 +)))
1414 1414  
1415 1415  [[image:1654136646995-976.png]]
1416 1416