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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... ... @@ -18,27 +18,24 @@ 18 18 19 19 ((( 20 20 ((( 21 -The Dragino RS485-LN is a (% style="color:blue" %)**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 (% style="color:blue" %)**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 - (% style="color:blue" %)**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 -(% style="color:blue" %)**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 -(% style="color:blue" %)**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]] 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. 36 36 ))) 37 37 ))) 38 38 39 39 [[image:1653267211009-519.png||height="419" width="724"]] 40 40 41 - 42 42 == 1.2 Specifications == 43 43 44 44 **Hardware System:** ... ... @@ -48,7 +48,7 @@ 48 48 * Power Consumption (exclude RS485 device): 49 49 ** Idle: 32mA@12v 50 50 51 -* 48 +* 52 52 ** 20dB Transmit: 65mA@12v 53 53 54 54 **Interface for Model:** ... ... @@ -494,23 +494,25 @@ 494 494 1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 495 495 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 496 496 497 -[[image:1653269916228-732.png ||height="433" width="711"]]494 +[[image:1653269916228-732.png]] 498 498 499 499 500 500 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 501 501 502 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41499 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41 503 503 504 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (%style="background-color:green; color:white" %)02 aa 05 81 0a 20501 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20 505 505 506 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (%style="background-color:green; color:white" %)20 20 20 2d 30503 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30 507 507 505 + 506 + 508 508 Below are the uplink payloads: 509 509 510 -[[image: 1653270130359-810.png]]509 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] 511 511 512 512 513 - (% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**512 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below: 514 514 515 515 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) 516 516 ... ... @@ -520,8 +520,12 @@ 520 520 521 521 ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 522 522 523 -=== 3.3.5 Uplink on demand === 524 524 523 + 524 +1. 525 +11. 526 +111. Uplink on demand 527 + 525 525 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. 526 526 527 527 Downlink control command: ... ... @@ -532,8 +532,8 @@ 532 532 533 533 534 534 535 -1. 536 -11. 538 +1. 539 +11. 537 537 111. Uplink on Interrupt 538 538 539 539 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -547,7 +547,7 @@ 547 547 AT+INTMOD=3 Interrupt trigger by rising edge. 548 548 549 549 550 -1. 553 +1. 551 551 11. Uplink Payload 552 552 553 553 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -609,15 +609,15 @@ 609 609 610 610 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 611 611 612 -1. 613 -11. 615 +1. 616 +11. 614 614 111. Common Commands: 615 615 616 616 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]] 617 617 618 618 619 -1. 620 -11. 622 +1. 623 +11. 621 621 111. Sensor related commands: 622 622 623 623 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -923,13 +923,13 @@ 923 923 924 924 925 925 926 -1. 929 +1. 927 927 11. Buttons 928 928 929 929 |**Button**|**Feature** 930 930 |**RST**|Reboot RS485-BL 931 931 932 -1. 935 +1. 933 933 11. +3V3 Output 934 934 935 935 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -947,7 +947,7 @@ 947 947 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 948 948 949 949 950 -1. 953 +1. 951 951 11. +5V Output 952 952 953 953 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -967,13 +967,13 @@ 967 967 968 968 969 969 970 -1. 973 +1. 971 971 11. LEDs 972 972 973 973 |**LEDs**|**Feature** 974 974 |**LED1**|Blink when device transmit a packet. 975 975 976 -1. 979 +1. 977 977 11. Switch Jumper 978 978 979 979 |**Switch Jumper**|**Feature** ... ... @@ -1019,7 +1019,7 @@ 1019 1019 1020 1020 1021 1021 1022 -1. 1025 +1. 1023 1023 11. Common AT Command Sequence 1024 1024 111. Multi-channel ABP mode (Use with SX1301/LG308) 1025 1025 ... ... @@ -1038,8 +1038,8 @@ 1038 1038 1039 1039 ATZ 1040 1040 1041 -1. 1042 -11. 1044 +1. 1045 +11. 1043 1043 111. Single-channel ABP mode (Use with LG01/LG02) 1044 1044 1045 1045 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1114,7 +1114,7 @@ 1114 1114 [[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]] 1115 1115 1116 1116 1117 -1. 1120 +1. 1118 1118 11. How to change the LoRa Frequency Bands/Region? 1119 1119 1120 1120 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1121,7 +1121,7 @@ 1121 1121 1122 1122 1123 1123 1124 -1. 1127 +1. 1125 1125 11. How many RS485-Slave can RS485-BL connects? 1126 1126 1127 1127 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]]. ... ... @@ -1138,7 +1138,7 @@ 1138 1138 1139 1139 1140 1140 1141 -1. 1144 +1. 1142 1142 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1143 1143 1144 1144 It might about the channels mapping. Please see for detail.