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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 41.29
edited by Xiaoling
on 2022/06/06 11:12
Change comment: There is no comment for this version

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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  
... ... @@ -882,13 +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  
... ... @@ -900,6 +900,7 @@
900 900  === 3.5.2 Sensor related commands: ===
901 901  
902 902  
915 +
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.
... ... @@ -923,6 +923,7 @@
923 923  
924 924  
925 925  
939 +
926 926  ==== **RS485 Debug Command (AT+CFGDEV)** ====
927 927  
928 928  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
... ... @@ -962,7 +962,9 @@
962 962  
963 963  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
964 964  
979 +(((
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.
981 +)))
966 966  
967 967  
968 968  **Example 2:**
... ... @@ -974,6 +974,7 @@
974 974  
975 975  
976 976  
993 +
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.
... ... @@ -994,6 +994,7 @@
994 994  
995 995  
996 996  
1014 +
997 997  ==== **Set RS485 Sampling Commands** ====
998 998  
999 999  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
... ... @@ -1055,6 +1055,7 @@
1055 1055  
1056 1056  
1057 1057  
1076 +
1058 1058  ==== **Fast command to handle MODBUS device** ====
1059 1059  
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]].
... ... @@ -1088,6 +1088,7 @@
1088 1088  
1089 1089  
1090 1090  
1110 +
1091 1091  ==== **RS485 command timeout** ====
1092 1092  
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.
... ... @@ -1119,6 +1119,7 @@
1119 1119  
1120 1120  
1121 1121  
1142 +
1122 1122  ==== **Uplink payload mode** ====
1123 1123  
1124 1124  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1165,7 +1165,9 @@
1165 1165  
1166 1166  * **AT Command:**
1167 1167  
1189 +(((
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
1191 +)))
1169 1169  
1170 1170  Example screen shot after clear all RS485 commands. 
1171 1171  
... ... @@ -1181,6 +1181,7 @@
1181 1181  
1182 1182  
1183 1183  
1207 +
1184 1184  ==== **Set Serial Communication Parameters** ====
1185 1185  
1186 1186  Set the Rs485 serial communication parameters:
... ... @@ -1224,6 +1224,7 @@
1224 1224  
1225 1225  
1226 1226  
1251 +
1227 1227  ==== **Control output power duration** ====
1228 1228  
1229 1229  User can set the output power duration before each sampling.
... ... @@ -1247,44 +1247,83 @@
1247 1247  
1248 1248  == 3.6 Buttons ==
1249 1249  
1250 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1275 +(% 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  
1279 +
1280 +
1254 1254  == 3.7 +3V3 Output ==
1255 1255  
1283 +(((
1256 1256  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1285 +)))
1257 1257  
1287 +(((
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. 
1289 +)))
1259 1259  
1291 +(((
1260 1260  The +3V3 output time can be controlled by AT Command.
1293 +)))
1261 1261  
1295 +(((
1296 +
1297 +)))
1262 1262  
1299 +(((
1263 1263  (% style="color:#037691" %)**AT+3V3T=1000**
1301 +)))
1264 1264  
1303 +(((
1304 +
1305 +)))
1265 1265  
1307 +(((
1266 1266  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1309 +)))
1267 1267  
1311 +(((
1268 1268  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1313 +)))
1269 1269  
1270 1270  
1271 1271  == 3.8 +5V Output ==
1272 1272  
1318 +(((
1273 1273  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1320 +)))
1274 1274  
1322 +(((
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. 
1324 +)))
1276 1276  
1326 +(((
1277 1277  The 5V output time can be controlled by AT Command.
1328 +)))
1278 1278  
1330 +(((
1331 +
1332 +)))
1279 1279  
1334 +(((
1280 1280  (% style="color:#037691" %)**AT+5VT=1000**
1336 +)))
1281 1281  
1338 +(((
1339 +
1340 +)))
1282 1282  
1342 +(((
1283 1283  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1344 +)))
1284 1284  
1346 +(((
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.
1348 +)))
1286 1286  
1287 1287  
1351 +
1288 1288  == 3.9 LEDs ==
1289 1289  
1290 1290  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1291,6 +1291,8 @@
1291 1291  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1292 1292  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1293 1293  
1358 +
1359 +
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  
1375 +(((
1309 1309  **+3.3V**: is always ON
1377 +)))
1310 1310  
1379 +(((
1311 1311  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1381 +)))
1312 1312  
1313 1313  
1314 1314  = 4. Case Study =
... ... @@ -1320,17 +1320,23 @@
1320 1320  
1321 1321  == 5.1 Access AT Command ==
1322 1322  
1393 +(((
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.
1395 +)))
1324 1324  
1325 1325  [[image:1654135840598-282.png]]
1326 1326  
1327 1327  
1400 +(((
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:
1402 +)))
1329 1329  
1330 1330  [[image:1654136105500-922.png]]
1331 1331  
1332 1332  
1407 +(((
1333 1333  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1409 +)))
1334 1334  
1335 1335  
1336 1336  == 5.2 Common AT Command Sequence ==
... ... @@ -1355,7 +1355,9 @@
1355 1355  )))
1356 1356  
1357 1357  
1434 +(((
1358 1358  If device already joined network:
1436 +)))
1359 1359  
1360 1360  (% class="box infomessage" %)
1361 1361  (((
... ... @@ -1394,10 +1394,12 @@
1394 1394  
1395 1395  (% style="color:red" %)**Note:**
1396 1396  
1475 +(((
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
1480 +)))
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  
1489 +(((
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:
1491 +)))
1410 1410  
1411 -* Support new features
1412 -* For bug fix
1413 -* Change LoRaWAN bands.
1493 +* (((
1494 +Support new features
1495 +)))
1496 +* (((
1497 +For bug fix
1498 +)))
1499 +* (((
1500 +Change LoRaWAN bands.
1501 +)))
1414 1414  
1503 +(((
1415 1415  Below shows the hardware connection for how to upload an image to RS485-BL:
1505 +)))
1416 1416  
1417 1417  [[image:1654136646995-976.png]]
1418 1418