Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -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 ... ... @@ -1404,7 +1404,9 @@ 1404 1404 [[image:1654136105500-922.png]] 1405 1405 1406 1406 1455 +((( 1407 1407 More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] 1457 +))) 1408 1408 1409 1409 1410 1410 == 5.2 Common AT Command Sequence == ... ... @@ -1429,7 +1429,9 @@ 1429 1429 ))) 1430 1430 1431 1431 1482 +((( 1432 1432 If device already joined network: 1484 +))) 1433 1433 1434 1434 (% class="box infomessage" %) 1435 1435 ((( ... ... @@ -1468,10 +1468,12 @@ 1468 1468 1469 1469 (% style="color:red" %)**Note:** 1470 1470 1523 +((( 1471 1471 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1472 1472 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1473 1473 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. 1474 1474 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 +))) 1475 1475 1476 1476 [[image:1654136435598-589.png]] 1477 1477 ... ... @@ -1480,13 +1480,23 @@ 1480 1480 1481 1481 == 6.1 How to upgrade the image? == 1482 1482 1537 +((( 1483 1483 The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to: 1539 +))) 1484 1484 1485 -* Support new features 1486 -* For bug fix 1487 -* Change LoRaWAN bands. 1541 +* ((( 1542 +Support new features 1543 +))) 1544 +* ((( 1545 +For bug fix 1546 +))) 1547 +* ((( 1548 +Change LoRaWAN bands. 1549 +))) 1488 1488 1551 +((( 1489 1489 Below shows the hardware connection for how to upload an image to RS485-BL: 1553 +))) 1490 1490 1491 1491 [[image:1654136646995-976.png]] 1492 1492 ... ... @@ -1552,6 +1552,8 @@ 1552 1552 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1553 1553 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1554 1554 1619 + 1620 + 1555 1555 = 9. Packing Info = 1556 1556 1557 1557 (((