Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 15.6 >
edited by Xiaoling
on 2022/05/19 17:59
To version < 18.1 >
edited by Xiaoling
on 2022/05/23 08:48
>
Change comment: Uploaded new attachment "1653266934636-343.png", version {1}

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Title
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1 -RS485-BL – Waterproof RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
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60 60  * Power Consumption (exclude RS485 device):
61 61  ** Idle: 6uA@3.3v
62 62  
63 -*
63 +*
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 66  **Interface for Model:**
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397 397  
398 398  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
399 399  
400 +(% border="1" class="table-bordered" %)
400 400  |(((
401 401  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
402 402  
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411 411  
412 412  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
413 413  
415 +(% border="1" class="table-bordered" %)
414 414  |(((
415 415  **AT+SEARCHx=aa,xx xx xx xx xx**
416 416  
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428 428  
429 429  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
430 430  
431 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
433 +[[image:1652954654347-831.png]]
432 432  
433 433  
434 434  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
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489 489  
490 490  
491 491  1.
492 -11.
494 +11.
493 493  111. Compose the uplink payload
494 494  
495 495  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
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553 553  
554 554  
555 555  
556 -1.
557 -11.
558 +1.
559 +11.
558 558  111. Uplink on demand
559 559  
560 560  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.
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567 567  
568 568  
569 569  
570 -1.
571 -11.
572 +1.
573 +11.
572 572  111. Uplink on Interrupt
573 573  
574 574  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
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582 582  AT+INTMOD=3  Interrupt trigger by rising edge.
583 583  
584 584  
585 -1.
587 +1.
586 586  11. Uplink Payload
587 587  
588 588  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
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644 644  
645 645  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
646 646  
647 -1.
648 -11.
649 +1.
650 +11.
649 649  111. Common Commands:
650 650  
651 651  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]]
652 652  
653 653  
654 -1.
655 -11.
656 +1.
657 +11.
656 656  111. Sensor related commands:
657 657  
658 658  ==== Choose Device Type (RS485 or TTL) ====
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958 958  
959 959  
960 960  
961 -1.
963 +1.
962 962  11. Buttons
963 963  
964 964  |**Button**|**Feature**
965 965  |**RST**|Reboot RS485-BL
966 966  
967 -1.
969 +1.
968 968  11. +3V3 Output
969 969  
970 970  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
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982 982  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
983 983  
984 984  
985 -1.
987 +1.
986 986  11. +5V Output
987 987  
988 988  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
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1002 1002  
1003 1003  
1004 1004  
1005 -1.
1007 +1.
1006 1006  11. LEDs
1007 1007  
1008 1008  |**LEDs**|**Feature**
1009 1009  |**LED1**|Blink when device transmit a packet.
1010 1010  
1011 -1.
1013 +1.
1012 1012  11. Switch Jumper
1013 1013  
1014 1014  |**Switch Jumper**|**Feature**
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1054 1054  
1055 1055  
1056 1056  
1057 -1.
1059 +1.
1058 1058  11. Common AT Command Sequence
1059 1059  111. Multi-channel ABP mode (Use with SX1301/LG308)
1060 1060  
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1073 1073  
1074 1074  ATZ
1075 1075  
1076 -1.
1077 -11.
1078 +1.
1079 +11.
1078 1078  111. Single-channel ABP mode (Use with LG01/LG02)
1079 1079  
1080 1080  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
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1149 1149  [[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]]
1150 1150  
1151 1151  
1152 -1.
1154 +1.
1153 1153  11. How to change the LoRa Frequency Bands/Region?
1154 1154  
1155 1155  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
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1156 1156  
1157 1157  
1158 1158  
1159 -1.
1161 +1.
1160 1160  11. How many RS485-Slave can RS485-BL connects?
1161 1161  
1162 1162  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]].
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1173 1173  
1174 1174  
1175 1175  
1176 -1.
1178 +1.
1177 1177  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1178 1178  
1179 1179  It might about the channels mapping. Please see for detail.
1652954654347-831.png
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1653266934636-343.png
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