Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual

Last modified by Bei Jinggeng on 2025/01/10 15:06

From version < 102.16 >

edited by Xiaoling
on 2023/04/25 14:05

To version < 109.1 >

edited by Saxer Lin
on 2023/12/14 09:34

Change comment: There is no comment for this version

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--XWiki.Xiaoling
++XWiki.Saxer

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--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.
++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, building automation, and so on.
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++(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:image-20230425175410-2.png]](% title="Click and drag to resize" %)
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--== 3.3 Configure Commands to read data ==
++== 3.3 Configure Device to Read RS485 Sensors ==
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--There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
++There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
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  (% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
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--
++===   ===
++
++=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
++
++Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
++
++* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
++
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
++
++===   ===
++
++=== 3.3.2  Method 2 ~-~- via AT Commands ===
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--=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
++==== 3.3.2.1 Configure UART settings for RS485 or TTL communication ====
++RS485-LN can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
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  Options: (1200,2400,4800,
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 ,19200,115200)
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  Option: 0: no parity,
--
 : odd parity,
--
 : even parity
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  Set serial stopbit (for RS485 connection)
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--
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  AT+STOPBIT=0 for 1bit
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++=== 3.3.3 Configure sensors ===
--=== 3.3.2 Configure sensors ===
--
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  Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
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  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
--=== 3.3.3 Configure read commands for each sampling ===
++=== 3.3.4 Configure read commands for each sampling ===
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@@ -417,6 +417,20 @@
  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
++If a single command exceeds 14 bytes, you can use the command splicing function.
++
++When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
++
++
++**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
++
++                    AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
++
++                    AT+COMMAND1=1
++
++                    AT+COMMAND2=0E 0F,0
++
++
  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
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--=== 3.3.4 Compose the uplink payload ===
++=== 3.3.5 Compose the uplink payload ===
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--=== 3.3.5 Uplink on demand ===
++=== 3.3.6 Uplink on demand ===
  Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
@@ -547,7 +547,7 @@
  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
--=== 3.3.6 Uplink on Interrupt ===
++=== 3.3.7 Uplink on Interrupt ===
  RS485-LN support external Interrupt uplink since hardware v1.2 release.
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  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
--|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
++|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
  Size(bytes)
  )))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
  **Length depends on the return from the commands**
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++* (((
++(% style="color:#037691" %)**Downlink Command:**
++)))
++**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
++
  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
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  (% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
++(Since firmware v1.4.0)
++
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  (% style="color:#037691" %)** AT Command:**
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  Each uplink is sent to the server at 20-second intervals when segmented.
++==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
++
++AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
++
++When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
++
++When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
++
++
++* (((
++(% style="color:#037691" %)** AT Command:**
++)))
++
++(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
++
++(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
++
++
++(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
++
++
++(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
++
++
++* (((
++(% style="color:#037691" %)** Downlink Payload:**
++)))
++
++//AT+NEWLINE=ALL         ~-~-->      (% style="color:#4472c4" %)**0xAC 01**//
++
++// AT+NEWLINE= NULL    ~-~-->      (% style="color:#4472c4" %)**0xAC 00**//
++
++//AT+NEWLINE= a+b+c   ~-~-->      (% style="color:#4472c4" %)**0xAC  number of bytes  a  b  c**//
++
++//AT+NEWLINE= 1+5+15 ~-~-->     (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
++
++
  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
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  (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)
++
++(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
++
++[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
++
++
++
  (% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
  (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)
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  The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
++== 6.9 How to configure RS485 commands more conveniently？ ==
++
++
++Dragino has developed an application for the RS485 series of products.
++
++It can help you configure RS485 sensors more conveniently
++Please refer to the link below for specific usage：
++
++[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
++
++
++
  = 7. Trouble Shooting =
  == 7.1 Downlink doesn't work, how to solve it? ==

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Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual

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