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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.23
edited by Xiaoling
on 2022/06/06 11:10
Change comment: There is no comment for this version
To version 41.36
edited by Xiaoling
on 2022/06/06 11:20
Change comment: There is no comment for this version

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... ... @@ -872,7 +872,7 @@
872 872  )))
873 873  
874 874  (((
875 -**}**
875 +{{{}}}}
876 876  
877 877  
878 878  )))
... ... @@ -939,53 +939,101 @@
939 939  
940 940  ==== **RS485 Debug Command (AT+CFGDEV)** ====
941 941  
942 +(((
942 942  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
944 +)))
943 943  
944 -* **AT Command**
946 +* (((
947 +**AT Command**
948 +)))
945 945  
946 946  (% class="box infomessage" %)
947 947  (((
952 +(((
948 948  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
949 949  )))
955 +)))
950 950  
957 +(((
951 951  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
959 +)))
952 952  
961 +(((
962 +
963 +)))
953 953  
954 -* **Downlink Payload**
965 +* (((
966 +**Downlink Payload**
967 +)))
955 955  
969 +(((
956 956  Format: A8 MM NN XX XX XX XX YY
971 +)))
957 957  
973 +(((
958 958  Where:
975 +)))
959 959  
960 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
961 -* NN: The length of RS485 command
962 -* XX XX XX XX: RS485 command total NN bytes
963 -* 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 +)))
964 964  
990 +(((
965 965  **Example 1:**
992 +)))
966 966  
994 +(((
967 967  To connect a Modbus Alarm with below commands.
996 +)))
968 968  
969 -* 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 +)))
970 970  
971 -* 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 +)))
972 972  
1006 +(((
973 973  So if user want to use downlink command to control to RS485 Alarm, he can use:
1008 +)))
974 974  
1010 +(((
975 975  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1012 +)))
976 976  
1014 +(((
977 977  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1016 +)))
978 978  
979 979  (((
980 980  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.
981 981  )))
982 982  
1022 +(((
1023 +
1024 +)))
983 983  
1026 +(((
984 984  **Example 2:**
1028 +)))
985 985  
1030 +(((
986 986  Check TTL Sensor return:
1032 +)))
987 987  
1034 +(((
988 988  [[image:1654132684752-193.png]]
1036 +)))
989 989  
990 990  
991 991  
... ... @@ -1014,62 +1014,121 @@
1014 1014  
1015 1015  ==== **Set RS485 Sampling Commands** ====
1016 1016  
1065 +(((
1017 1017  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1067 +)))
1018 1018  
1069 +(((
1019 1019  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 +)))
1020 1020  
1073 +(((
1074 +
1075 +)))
1021 1021  
1022 -* **AT Command:**
1077 +* (((
1078 +**AT Command:**
1079 +)))
1023 1023  
1024 1024  (% class="box infomessage" %)
1025 1025  (((
1083 +(((
1026 1026  **AT+COMMANDx: Configure RS485 read command to sensor.**
1027 1027  )))
1086 +)))
1028 1028  
1029 1029  (% class="box infomessage" %)
1030 1030  (((
1090 +(((
1031 1031  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
1032 1032  )))
1093 +)))
1033 1033  
1034 1034  (% class="box infomessage" %)
1035 1035  (((
1097 +(((
1036 1036  **AT+SEARCHx: Configure search command**
1037 1037  )))
1100 +)))
1038 1038  
1102 +(((
1103 +
1104 +)))
1039 1039  
1040 -* **Downlink Payload:**
1106 +* (((
1107 +**Downlink Payload:**
1108 +)))
1041 1041  
1110 +(((
1042 1042  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1112 +)))
1043 1043  
1114 +(((
1044 1044  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1116 +)))
1045 1045  
1118 +(((
1046 1046  Format: AF MM NN LL XX XX XX XX YY
1120 +)))
1047 1047  
1122 +(((
1048 1048  Where:
1124 +)))
1049 1049  
1050 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1051 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1052 -* LL:  The length of AT+COMMAND or AT+DATACUT command
1053 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
1054 -* 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 +)))
1055 1055  
1142 +(((
1056 1056  **Example:**
1144 +)))
1057 1057  
1146 +(((
1058 1058  (% 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 +)))
1059 1059  
1150 +(((
1060 1060  (% 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 +)))
1061 1061  
1154 +(((
1062 1062  (% 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 +)))
1063 1063  
1158 +(((
1159 +
1160 +)))
1064 1064  
1162 +(((
1065 1065  **0xAB** downlink command can be used for set AT+SEARCHx
1164 +)))
1066 1066  
1166 +(((
1067 1067  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1168 +)))
1068 1068  
1069 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1070 -* 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 +)))
1071 1071  
1177 +(((
1072 1072  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1179 +)))
1073 1073  
1074 1074  
1075 1075  
... ... @@ -1076,24 +1076,47 @@
1076 1076  
1077 1077  ==== **Fast command to handle MODBUS device** ====
1078 1078  
1186 +(((
1079 1079  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]].
1188 +)))
1080 1080  
1190 +(((
1081 1081  This command is valid since v1.3 firmware version
1192 +)))
1082 1082  
1194 +(((
1195 +
1196 +)))
1083 1083  
1198 +(((
1084 1084  **AT+MBFUN has only two value:**
1200 +)))
1085 1085  
1086 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1202 +* (((
1203 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1204 +)))
1087 1087  
1206 +(((
1088 1088  AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
1208 +)))
1089 1089  
1090 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1210 +* (((
1211 +**AT+MBFUN=0**: Disable Modbus fast reading.
1212 +)))
1091 1091  
1214 +(((
1092 1092  **Example:**
1216 +)))
1093 1093  
1094 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1095 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
1096 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1218 +* (((
1219 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1220 +)))
1221 +* (((
1222 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
1223 +)))
1224 +* (((
1225 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1226 +)))
1097 1097  
1098 1098  [[image:1654133913295-597.png]]
1099 1099  
... ... @@ -1101,9 +1101,13 @@
1101 1101  [[image:1654133954153-643.png]]
1102 1102  
1103 1103  
1104 -* **Downlink Commands:**
1234 +* (((
1235 +**Downlink Commands:**
1236 +)))
1105 1105  
1238 +(((
1106 1106  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1240 +)))
1107 1107  
1108 1108  
1109 1109  
... ... @@ -1372,9 +1372,13 @@
1372 1372  3.3v position: set to compatible with 3.3v I/O.,
1373 1373  )))
1374 1374  
1509 +(((
1375 1375  **+3.3V**: is always ON
1511 +)))
1376 1376  
1513 +(((
1377 1377  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1515 +)))
1378 1378  
1379 1379  
1380 1380  = 4. Case Study =
... ... @@ -1386,17 +1386,23 @@
1386 1386  
1387 1387  == 5.1 Access AT Command ==
1388 1388  
1527 +(((
1389 1389  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.
1529 +)))
1390 1390  
1391 1391  [[image:1654135840598-282.png]]
1392 1392  
1393 1393  
1534 +(((
1394 1394  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:
1536 +)))
1395 1395  
1396 1396  [[image:1654136105500-922.png]]
1397 1397  
1398 1398  
1541 +(((
1399 1399  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1543 +)))
1400 1400  
1401 1401  
1402 1402  == 5.2 Common AT Command Sequence ==
... ... @@ -1421,7 +1421,9 @@
1421 1421  )))
1422 1422  
1423 1423  
1568 +(((
1424 1424  If device already joined network:
1570 +)))
1425 1425  
1426 1426  (% class="box infomessage" %)
1427 1427  (((
... ... @@ -1460,10 +1460,12 @@
1460 1460  
1461 1461  (% style="color:red" %)**Note:**
1462 1462  
1609 +(((
1463 1463  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1464 1464  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1465 1465  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.
1466 1466  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
1614 +)))
1467 1467  
1468 1468  [[image:1654136435598-589.png]]
1469 1469  
... ... @@ -1472,13 +1472,23 @@
1472 1472  
1473 1473  == 6.1 How to upgrade the image? ==
1474 1474  
1623 +(((
1475 1475  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1625 +)))
1476 1476  
1477 -* Support new features
1478 -* For bug fix
1479 -* Change LoRaWAN bands.
1627 +* (((
1628 +Support new features
1629 +)))
1630 +* (((
1631 +For bug fix
1632 +)))
1633 +* (((
1634 +Change LoRaWAN bands.
1635 +)))
1480 1480  
1637 +(((
1481 1481  Below shows the hardware connection for how to upload an image to RS485-BL:
1639 +)))
1482 1482  
1483 1483  [[image:1654136646995-976.png]]
1484 1484  
... ... @@ -1544,6 +1544,8 @@
1544 1544  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1545 1545  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1546 1546  
1705 +
1706 +
1547 1547  = 9. Packing Info =
1548 1548  
1549 1549  (((