Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -18,19 +18,21 @@ 18 18 19 19 ((( 20 20 ((( 21 -The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 21 +The Dragino RS485-LN is a **RS485 to LoRaWAN Converter**. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 22 22 ))) 23 23 24 24 ((( 25 -RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. 25 +RS485-LN allows user to **monitor / control RS485 devices** and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. 26 26 ))) 27 27 28 28 ((( 29 -For data uplink, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server. 29 +**For data uplink**, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server. 30 30 ))) 31 31 32 32 ((( 33 -For data downlink, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices. 33 +**For data downlink**, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices. 34 + 35 +**Demo Dashboard for RS485-LN** connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]] 34 34 ))) 35 35 ))) 36 36 ... ... @@ -45,7 +45,7 @@ 45 45 * Power Consumption (exclude RS485 device): 46 46 ** Idle: 32mA@12v 47 47 48 -* 50 +* 49 49 ** 20dB Transmit: 65mA@12v 50 50 51 51 **Interface for Model:** ... ... @@ -477,41 +477,37 @@ 477 477 478 478 [[image:1653269759169-150.png||height="513" width="716"]] 479 479 482 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 480 480 484 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 481 481 482 -**Examples: AT+DATAUP=1** 483 - 484 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**. 485 - 486 486 Final Payload is 487 487 488 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 488 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 489 489 490 490 1. Battery Info (2 bytes): Battery voltage 491 491 1. PAYVER (1 byte): Defined by AT+PAYVER 492 492 1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 493 493 1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 494 -1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes494 +1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 495 495 496 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]496 +[[image:1653269916228-732.png||height="433" width="711"]] 497 497 498 498 499 499 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 500 500 501 -DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41 501 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41 502 502 503 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20 503 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20 504 504 505 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30 505 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30 506 506 507 - 508 - 509 509 Below are the uplink payloads: 510 510 511 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]509 +[[image:1653270130359-810.png]] 512 512 513 513 514 -Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below: 512 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:** 515 515 516 516 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) 517 517 ... ... @@ -521,12 +521,8 @@ 521 521 522 522 ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 523 523 522 +=== 3.3.5 Uplink on demand === 524 524 525 - 526 -1. 527 -11. 528 -111. Uplink on demand 529 - 530 530 Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command. 531 531 532 532 Downlink control command: ... ... @@ -537,8 +537,8 @@ 537 537 538 538 539 539 540 -1. 541 -11. 534 +1. 535 +11. 542 542 111. Uplink on Interrupt 543 543 544 544 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -552,7 +552,7 @@ 552 552 AT+INTMOD=3 Interrupt trigger by rising edge. 553 553 554 554 555 -1. 549 +1. 556 556 11. Uplink Payload 557 557 558 558 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -614,15 +614,15 @@ 614 614 615 615 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 616 616 617 -1. 618 -11. 611 +1. 612 +11. 619 619 111. Common Commands: 620 620 621 621 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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]] 622 622 623 623 624 -1. 625 -11. 618 +1. 619 +11. 626 626 111. Sensor related commands: 627 627 628 628 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -928,13 +928,13 @@ 928 928 929 929 930 930 931 -1. 925 +1. 932 932 11. Buttons 933 933 934 934 |**Button**|**Feature** 935 935 |**RST**|Reboot RS485-BL 936 936 937 -1. 931 +1. 938 938 11. +3V3 Output 939 939 940 940 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -952,7 +952,7 @@ 952 952 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 953 953 954 954 955 -1. 949 +1. 956 956 11. +5V Output 957 957 958 958 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -972,13 +972,13 @@ 972 972 973 973 974 974 975 -1. 969 +1. 976 976 11. LEDs 977 977 978 978 |**LEDs**|**Feature** 979 979 |**LED1**|Blink when device transmit a packet. 980 980 981 -1. 975 +1. 982 982 11. Switch Jumper 983 983 984 984 |**Switch Jumper**|**Feature** ... ... @@ -1024,7 +1024,7 @@ 1024 1024 1025 1025 1026 1026 1027 -1. 1021 +1. 1028 1028 11. Common AT Command Sequence 1029 1029 111. Multi-channel ABP mode (Use with SX1301/LG308) 1030 1030 ... ... @@ -1043,8 +1043,8 @@ 1043 1043 1044 1044 ATZ 1045 1045 1046 -1. 1047 -11. 1040 +1. 1041 +11. 1048 1048 111. Single-channel ABP mode (Use with LG01/LG02) 1049 1049 1050 1050 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1119,7 +1119,7 @@ 1119 1119 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] 1120 1120 1121 1121 1122 -1. 1116 +1. 1123 1123 11. How to change the LoRa Frequency Bands/Region? 1124 1124 1125 1125 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1126,7 +1126,7 @@ 1126 1126 1127 1127 1128 1128 1129 -1. 1123 +1. 1130 1130 11. How many RS485-Slave can RS485-BL connects? 1131 1131 1132 1132 The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]]. ... ... @@ -1143,7 +1143,7 @@ 1143 1143 1144 1144 1145 1145 1146 -1. 1140 +1. 1147 1147 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1148 1148 1149 1149 It might about the channels mapping. Please see for detail.
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