Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 19.2 >
edited by Xiaoling
on 2022/05/23 08:53
To version < 18.1 >
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1 1  (% style="text-align:center" %)
2 -[[image:1653266934636-343.png||height="385" width="385"]]
2 +[[image:1652947681187-144.png||height="385" width="385"]]
3 3  
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
7 +**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 +
9 9  **Table of Contents:**
10 10  
11 11  
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14 14  
15 15  = 1.Introduction =
16 16  
17 -== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18 +== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
18 18  
19 19  (((
21 +
22 +)))
23 +
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.
25 +The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
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.
29 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
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.
33 +RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
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.
37 +RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
34 34  )))
39 +
40 +(((
41 +For data uplink, RS485-BL sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-BL will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server.
35 35  )))
36 36  
37 -[[image:1653267211009-519.png||height="419" width="724"]]
44 +(((
45 +For data downlink, RS485-BL runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-BL will forward the commands from LoRaWAN server to RS485 devices.
46 +)))
38 38  
48 +(((
49 +Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
50 +)))
51 +
52 +[[image:1652953304999-717.png||height="424" width="733"]]
53 +
39 39  == 1.2 Specifications ==
40 40  
41 41  **Hardware System:**
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45 45  * Power Consumption (exclude RS485 device):
46 46  ** Idle: 6uA@3.3v
47 47  
48 -*
63 +*
49 49  ** 20dB Transmit: 130mA@3.3v
50 50  
51 51  **Interface for Model:**
... ... @@ -476,7 +476,7 @@
476 476  
477 477  
478 478  1.
479 -11.
494 +11.
480 480  111. Compose the uplink payload
481 481  
482 482  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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540 540  
541 541  
542 542  
543 -1.
544 -11.
558 +1.
559 +11.
545 545  111. Uplink on demand
546 546  
547 547  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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554 554  
555 555  
556 556  
557 -1.
558 -11.
572 +1.
573 +11.
559 559  111. Uplink on Interrupt
560 560  
561 561  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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569 569  AT+INTMOD=3  Interrupt trigger by rising edge.
570 570  
571 571  
572 -1.
587 +1.
573 573  11. Uplink Payload
574 574  
575 575  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
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631 631  
632 632  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
633 633  
634 -1.
635 -11.
649 +1.
650 +11.
636 636  111. Common Commands:
637 637  
638 638  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]]
639 639  
640 640  
641 -1.
642 -11.
656 +1.
657 +11.
643 643  111. Sensor related commands:
644 644  
645 645  ==== Choose Device Type (RS485 or TTL) ====
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945 945  
946 946  
947 947  
948 -1.
963 +1.
949 949  11. Buttons
950 950  
951 951  |**Button**|**Feature**
952 952  |**RST**|Reboot RS485-BL
953 953  
954 -1.
969 +1.
955 955  11. +3V3 Output
956 956  
957 957  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
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969 969  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
970 970  
971 971  
972 -1.
987 +1.
973 973  11. +5V Output
974 974  
975 975  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
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989 989  
990 990  
991 991  
992 -1.
1007 +1.
993 993  11. LEDs
994 994  
995 995  |**LEDs**|**Feature**
996 996  |**LED1**|Blink when device transmit a packet.
997 997  
998 -1.
1013 +1.
999 999  11. Switch Jumper
1000 1000  
1001 1001  |**Switch Jumper**|**Feature**
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1041 1041  
1042 1042  
1043 1043  
1044 -1.
1059 +1.
1045 1045  11. Common AT Command Sequence
1046 1046  111. Multi-channel ABP mode (Use with SX1301/LG308)
1047 1047  
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1060 1060  
1061 1061  ATZ
1062 1062  
1063 -1.
1064 -11.
1078 +1.
1079 +11.
1065 1065  111. Single-channel ABP mode (Use with LG01/LG02)
1066 1066  
1067 1067  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
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1136 1136  [[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]]
1137 1137  
1138 1138  
1139 -1.
1154 +1.
1140 1140  11. How to change the LoRa Frequency Bands/Region?
1141 1141  
1142 1142  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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1143 1143  
1144 1144  
1145 1145  
1146 -1.
1161 +1.
1147 1147  11. How many RS485-Slave can RS485-BL connects?
1148 1148  
1149 1149  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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1160 1160  
1161 1161  
1162 1162  
1163 -1.
1178 +1.
1164 1164  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1165 1165  
1166 1166  It might about the channels mapping. Please see for detail.
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