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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.6
edited by Xiaoling
on 2022/06/06 10:56
Change comment: There is no comment for this version
To version 41.34
edited by Xiaoling
on 2022/06/06 11:19
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  
... ... @@ -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  
... ... @@ -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.
... ... @@ -926,51 +926,101 @@
926 926  
927 927  ==== **RS485 Debug Command (AT+CFGDEV)** ====
928 928  
942 +(((
929 929  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
944 +)))
930 930  
931 -* **AT Command**
946 +* (((
947 +**AT Command**
948 +)))
932 932  
933 933  (% class="box infomessage" %)
934 934  (((
952 +(((
935 935  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
936 936  )))
955 +)))
937 937  
957 +(((
938 938  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
959 +)))
939 939  
961 +(((
962 +
963 +)))
940 940  
941 -* **Downlink Payload**
965 +* (((
966 +**Downlink Payload**
967 +)))
942 942  
969 +(((
943 943  Format: A8 MM NN XX XX XX XX YY
971 +)))
944 944  
973 +(((
945 945  Where:
975 +)))
946 946  
947 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
948 -* NN: The length of RS485 command
949 -* XX XX XX XX: RS485 command total NN bytes
950 -* 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 +)))
951 951  
990 +(((
952 952  **Example 1:**
992 +)))
953 953  
994 +(((
954 954  To connect a Modbus Alarm with below commands.
996 +)))
955 955  
956 -* 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 +)))
957 957  
958 -* 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 +)))
959 959  
1006 +(((
960 960  So if user want to use downlink command to control to RS485 Alarm, he can use:
1008 +)))
961 961  
1010 +(((
962 962  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1012 +)))
963 963  
1014 +(((
964 964  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1016 +)))
965 965  
1018 +(((
966 966  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 +)))
967 967  
1022 +(((
1023 +
1024 +)))
968 968  
1026 +(((
969 969  **Example 2:**
1028 +)))
970 970  
1030 +(((
971 971  Check TTL Sensor return:
1032 +)))
972 972  
1034 +(((
973 973  [[image:1654132684752-193.png]]
1036 +)))
974 974  
975 975  
976 976  
... ... @@ -996,67 +996,128 @@
996 996  
997 997  
998 998  
1062 +
999 999  ==== **Set RS485 Sampling Commands** ====
1000 1000  
1065 +(((
1001 1001  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1067 +)))
1002 1002  
1069 +(((
1003 1003  These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1071 +)))
1004 1004  
1073 +(((
1074 +
1075 +)))
1005 1005  
1006 -* **AT Command:**
1077 +* (((
1078 +**AT Command:**
1079 +)))
1007 1007  
1008 1008  (% class="box infomessage" %)
1009 1009  (((
1083 +(((
1010 1010  **AT+COMMANDx: Configure RS485 read command to sensor.**
1011 1011  )))
1086 +)))
1012 1012  
1013 1013  (% class="box infomessage" %)
1014 1014  (((
1090 +(((
1015 1015  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1016 1016  )))
1093 +)))
1017 1017  
1018 1018  (% class="box infomessage" %)
1019 1019  (((
1097 +(((
1020 1020  **AT+SEARCHx: Configure search command**
1021 1021  )))
1100 +)))
1022 1022  
1102 +(((
1103 +
1104 +)))
1023 1023  
1024 -* **Downlink Payload:**
1106 +* (((
1107 +**Downlink Payload:**
1108 +)))
1025 1025  
1110 +(((
1026 1026  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1112 +)))
1027 1027  
1114 +(((
1028 1028  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1116 +)))
1029 1029  
1118 +(((
1030 1030  Format: AF MM NN LL XX XX XX XX YY
1120 +)))
1031 1031  
1122 +(((
1032 1032  Where:
1124 +)))
1033 1033  
1034 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1035 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1036 -* LL:  The length of AT+COMMAND or AT+DATACUT command
1037 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1038 -* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1126 +* (((
1127 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1128 +)))
1129 +* (((
1130 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1131 +)))
1132 +* (((
1133 +LL:  The length of AT+COMMAND or AT+DATACUT command
1134 +)))
1135 +* (((
1136 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
1137 +)))
1138 +* (((
1139 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1140 +)))
1039 1039  
1142 +(((
1040 1040  **Example:**
1144 +)))
1041 1041  
1146 +(((
1042 1042  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
1148 +)))
1043 1043  
1150 +(((
1044 1044  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
1152 +)))
1045 1045  
1154 +(((
1046 1046  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
1156 +)))
1047 1047  
1158 +(((
1159 +
1160 +)))
1048 1048  
1162 +(((
1049 1049  **0xAB** downlink command can be used for set AT+SEARCHx
1164 +)))
1050 1050  
1166 +(((
1051 1051  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1168 +)))
1052 1052  
1053 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1054 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1170 +* (((
1171 +AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1172 +)))
1173 +* (((
1174 +AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1175 +)))
1055 1055  
1177 +(((
1056 1056  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1179 +)))
1057 1057  
1058 1058  
1059 1059  
1183 +
1060 1060  ==== **Fast command to handle MODBUS device** ====
1061 1061  
1062 1062  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]].
... ... @@ -1090,6 +1090,7 @@
1090 1090  
1091 1091  
1092 1092  
1217 +
1093 1093  ==== **RS485 command timeout** ====
1094 1094  
1095 1095  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.
... ... @@ -1121,6 +1121,7 @@
1121 1121  
1122 1122  
1123 1123  
1249 +
1124 1124  ==== **Uplink payload mode** ====
1125 1125  
1126 1126  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1167,7 +1167,9 @@
1167 1167  
1168 1168  * **AT Command:**
1169 1169  
1296 +(((
1170 1170  (% 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
1298 +)))
1171 1171  
1172 1172  Example screen shot after clear all RS485 commands. 
1173 1173  
... ... @@ -1183,6 +1183,7 @@
1183 1183  
1184 1184  
1185 1185  
1314 +
1186 1186  ==== **Set Serial Communication Parameters** ====
1187 1187  
1188 1188  Set the Rs485 serial communication parameters:
... ... @@ -1226,6 +1226,7 @@
1226 1226  
1227 1227  
1228 1228  
1358 +
1229 1229  ==== **Control output power duration** ====
1230 1230  
1231 1231  User can set the output power duration before each sampling.
... ... @@ -1249,44 +1249,83 @@
1249 1249  
1250 1250  == 3.6 Buttons ==
1251 1251  
1252 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1382 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1253 1253  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1254 1254  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1255 1255  
1386 +
1387 +
1256 1256  == 3.7 +3V3 Output ==
1257 1257  
1390 +(((
1258 1258  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1392 +)))
1259 1259  
1394 +(((
1260 1260  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. 
1396 +)))
1261 1261  
1398 +(((
1262 1262  The +3V3 output time can be controlled by AT Command.
1400 +)))
1263 1263  
1402 +(((
1403 +
1404 +)))
1264 1264  
1406 +(((
1265 1265  (% style="color:#037691" %)**AT+3V3T=1000**
1408 +)))
1266 1266  
1410 +(((
1411 +
1412 +)))
1267 1267  
1414 +(((
1268 1268  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1416 +)))
1269 1269  
1418 +(((
1270 1270  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1420 +)))
1271 1271  
1272 1272  
1273 1273  == 3.8 +5V Output ==
1274 1274  
1425 +(((
1275 1275  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1427 +)))
1276 1276  
1429 +(((
1277 1277  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. 
1431 +)))
1278 1278  
1433 +(((
1279 1279  The 5V output time can be controlled by AT Command.
1435 +)))
1280 1280  
1437 +(((
1438 +
1439 +)))
1281 1281  
1441 +(((
1282 1282  (% style="color:#037691" %)**AT+5VT=1000**
1443 +)))
1283 1283  
1445 +(((
1446 +
1447 +)))
1284 1284  
1449 +(((
1285 1285  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1451 +)))
1286 1286  
1453 +(((
1287 1287  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.
1455 +)))
1288 1288  
1289 1289  
1458 +
1290 1290  == 3.9 LEDs ==
1291 1291  
1292 1292  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1293,6 +1293,8 @@
1293 1293  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1294 1294  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1295 1295  
1465 +
1466 +
1296 1296  == 3.10 Switch Jumper ==
1297 1297  
1298 1298  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1308,9 +1308,13 @@
1308 1308  3.3v position: set to compatible with 3.3v I/O.,
1309 1309  )))
1310 1310  
1482 +(((
1311 1311  **+3.3V**: is always ON
1484 +)))
1312 1312  
1486 +(((
1313 1313  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1488 +)))
1314 1314  
1315 1315  
1316 1316  = 4. Case Study =
... ... @@ -1322,17 +1322,23 @@
1322 1322  
1323 1323  == 5.1 Access AT Command ==
1324 1324  
1500 +(((
1325 1325  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.
1502 +)))
1326 1326  
1327 1327  [[image:1654135840598-282.png]]
1328 1328  
1329 1329  
1507 +(((
1330 1330  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:
1509 +)))
1331 1331  
1332 1332  [[image:1654136105500-922.png]]
1333 1333  
1334 1334  
1514 +(((
1335 1335  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1516 +)))
1336 1336  
1337 1337  
1338 1338  == 5.2 Common AT Command Sequence ==
... ... @@ -1357,7 +1357,9 @@
1357 1357  )))
1358 1358  
1359 1359  
1541 +(((
1360 1360  If device already joined network:
1543 +)))
1361 1361  
1362 1362  (% class="box infomessage" %)
1363 1363  (((
... ... @@ -1396,10 +1396,12 @@
1396 1396  
1397 1397  (% style="color:red" %)**Note:**
1398 1398  
1582 +(((
1399 1399  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1400 1400  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1401 1401  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.
1402 1402  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
1587 +)))
1403 1403  
1404 1404  [[image:1654136435598-589.png]]
1405 1405  
... ... @@ -1408,13 +1408,23 @@
1408 1408  
1409 1409  == 6.1 How to upgrade the image? ==
1410 1410  
1596 +(((
1411 1411  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1598 +)))
1412 1412  
1413 -* Support new features
1414 -* For bug fix
1415 -* Change LoRaWAN bands.
1600 +* (((
1601 +Support new features
1602 +)))
1603 +* (((
1604 +For bug fix
1605 +)))
1606 +* (((
1607 +Change LoRaWAN bands.
1608 +)))
1416 1416  
1610 +(((
1417 1417  Below shows the hardware connection for how to upload an image to RS485-BL:
1612 +)))
1418 1418  
1419 1419  [[image:1654136646995-976.png]]
1420 1420  
... ... @@ -1480,6 +1480,8 @@
1480 1480  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1481 1481  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1482 1482  
1678 +
1679 +
1483 1483  = 9. Packing Info =
1484 1484  
1485 1485  (((