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

Last modified by Mengting Qiu on 2025/07/14 09:59

From 36.2 to 36.3 From 65.1 to 66.1

From version 36.3

edited by Xiaoling
on 2022/06/02 16:06

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To version 65.1

edited by Xiaoling
on 2022/07/04 11:23

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Title

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--RS485-LN – RS485 to LoRaWAN Converter
++RS485-LN – RS485 to LoRaWAN Converter User Manual

Content

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--(% style="text-align:center" %)
--[[image:1653266934636-343.png||height="385" width="385"]]
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++[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)
++(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
++)))
--**RS485-LN – RS485 to LoRaWAN Converter User Manual**
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  **Table of Contents:**
++{{toc/}}
++(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
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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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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  = 1.Introduction =
  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
@@ -18,25 +18,39 @@
  (((
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++(((
++
++
  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.
  )))
++)))
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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.
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  (% 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.
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++)))
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  (% 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.
++)))
++(((
  (% 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]]
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  )))
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--[[image:1653267211009-519.png||height="419" width="724"]]
++(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% 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" %)
  == 1.2 Specifications ==
@@ -74,8 +74,11 @@
  * Preamble detection.
  * 127 dB Dynamic Range RSSI.
  * Automatic RF Sense and CAD with ultra-fast AFC.
--* Packet engine up to 256 bytes with CRC.
++* Packet engine up to 256 bytes with CRC
++
++
++
  == 1.3 Features ==
  * LoRaWAN Class A & Class C protocol (default Class C)
@@ -87,6 +87,9 @@
  * Support Modbus protocol
  * Support Interrupt uplink (Since hardware version v1.2)
++
++
++
  == 1.4 Applications ==
  * Smart Buildings & Home Automation
@@ -96,6 +96,9 @@
  * Smart Cities
  * Smart Factory
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++
++
  == 1.5 Firmware Change log ==
  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
@@ -105,9 +105,13 @@
  (((
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  v1.2: Add External Interrupt Pin.
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  v1.0: Release
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@@ -125,7 +125,7 @@
  Once there is power, the RS485-LN will be on.
  )))
--[[image:1653268091319-405.png]]
++(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.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" %)
  )))
@@ -135,7 +135,9 @@
  == 3.1 How it works? ==
  (((
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  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
++)))
  )))
@@ -144,7 +144,7 @@
  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
--[[image:1653268155545-638.png||height="334" width="724"]]
++(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% 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" %)
  (((
@@ -156,14 +156,15 @@
 A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
  )))
--[[image:1653268227651-549.png||height="592" width="720"]]
++(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% 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" %)
++
  (((
--The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
++The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
  )))
  (((
--**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
++(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
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@@ -171,8 +171,9 @@
  )))
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--[[image:1652953462722-299.png]]
++(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.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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  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
@@ -179,32 +179,34 @@
  )))
  (((
--Add APP EUI in the application.
++**Add APP EUI in the application.**
  )))
  )))
--[[image:image-20220519174512-1.png]]
++(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.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" %)
--[[image:image-20220519174512-2.png||height="323" width="720"]]
++(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% 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" %)
--[[image:image-20220519174512-3.png||height="556" width="724"]]
++(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% 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" %)
--[[image:image-20220519174512-4.png]]
++(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.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" %)
  You can also choose to create the device manually.
--[[image:1652953542269-423.png||height="710" width="723"]]
++(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% 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" %)
--Add APP KEY and DEV EUI
--[[image:1652953553383-907.png||height="514" width="724"]]
++**Add APP KEY and DEV EUI**
++(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% 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" %)
++
++
  (((
--**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
++(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
  )))
--[[image:1652953568895-172.png||height="232" width="724"]]
++(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% 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" %)
  == 3.3 Configure Commands to read data ==
@@ -211,11 +211,15 @@
  (((
  (((
--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>>path:#AT_COMMAND]] 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 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.
  )))
++)))
  (((
++(((
  (% 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
++)))
  )))
@@ -225,19 +225,19 @@
  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:
--(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
--|(% style="width:128px" %)(((
++(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
++|=(% style="width: 110px;" %)(((
  **AT Commands**
--)))|(% style="width:305px" %)(((
++)))|=(% style="width: 190px;" %)(((
  **Description**
--)))|(% style="width:346px" %)(((
++)))|=(% style="width: 190px;" %)(((
  **Example**
  )))
--|(% style="width:128px" %)(((
++|(% style="width:110px" %)(((
  AT+BAUDR
--)))|(% style="width:305px" %)(((
++)))|(% style="width:190px" %)(((
  Set the baud rate (for RS485 connection). Default Value is: 9600.
--)))|(% style="width:346px" %)(((
++)))|(% style="width:190px" %)(((
  (((
  AT+BAUDR=9600
  )))
@@ -246,11 +246,11 @@
  Options: (1200,2400,4800,14400,19200,115200)
  )))
  )))
--|(% style="width:128px" %)(((
++|(% style="width:110px" %)(((
  AT+PARITY
--)))|(% style="width:305px" %)(((
++)))|(% style="width:190px" %)(((
  Set UART parity (for RS485 connection)
--)))|(% style="width:346px" %)(((
++)))|(% style="width:190px" %)(((
  (((
  AT+PARITY=0
  )))
@@ -259,9 +259,9 @@
  Option: 0: no parity, 1: odd parity, 2: even parity
  )))
  )))
--|(% style="width:128px" %)(((
++|(% style="width:110px" %)(((
  AT+STOPBIT
--)))|(% style="width:305px" %)(((
++)))|(% style="width:190px" %)(((
  (((
  Set serial stopbit (for RS485 connection)
  )))
@@ -269,7 +269,7 @@
  (((
  )))
--)))|(% style="width:346px" %)(((
++)))|(% style="width:190px" %)(((
  (((
  AT+STOPBIT=0 for 1bit
  )))
@@ -283,6 +283,9 @@
  )))
  )))
++
++
++
  === 3.3.2 Configure sensors ===
  (((
@@ -291,16 +291,25 @@
  )))
  )))
--(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
--|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
--|AT+CFGDEV|(% style="width:418px" %)(((
++(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
++|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
++|AT+CFGDEV|(% style="width:110px" %)(((
++(((
  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
++)))
++(((
  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
++)))
++(((
  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
--)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
++)))
++)))|(% 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 ===
  (((
@@ -313,7 +313,7 @@
  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
--**Each RS485 commands include two parts:**
++(% style="color:#037691" %)**Each RS485 commands include two parts:**
  ~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
@@ -324,15 +324,14 @@
  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
--
  Below are examples for the how above AT Commands works.
--**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
++(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
  |(% style="width:496px" %)(((
--**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
++(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
@@ -344,10 +344,10 @@
  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
--**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
++(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
--(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
--|(% style="width:722px" %)(((
++(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
++|(% style="width:510px" %)(((
  **AT+DATACUTx=a,b,c**
  * **a: length for the return of AT+COMMAND**
@@ -357,20 +357,21 @@
  **Examples:**
--* Grab bytes:
++* (% style="color:#037691" %)**Grab bytes**
--[[image:image-20220602153621-1.png]]
++(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.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" %)
--* Grab a section.
++* (% style="color:#037691" %)**Grab a section**
--[[image:image-20220602153621-2.png]]
++(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.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" %)
--* Grab different sections.
++* (% style="color:#037691" %)**Grab different sections**
--[[image:image-20220602153621-3.png]]
++(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.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" %)
++
  )))
@@ -404,7 +404,7 @@
  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
  )))
--[[image:1653269759169-150.png||height="513" width="716"]]
++(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% 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:#037691" %)**Examples: AT+DATAUP=1**
@@ -416,12 +416,13 @@
  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
++
 . PAYVER: Defined by AT+PAYVER
 . PAYLOAD COUNT: Total how many uplinks of this sampling.
 . PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
 . DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
--[[image:image-20220602155039-4.png]]
++(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.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" %)
  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
@@ -446,681 +446,979 @@
  Below are the uplink payloads:
--[[image:1653270130359-810.png]]
++(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.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" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
--   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
++=== 3.3.5 Uplink on demand ===
--   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
++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.
--   * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
++Downlink control command:
--   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
++**0x08 command**: Poll an uplink with current command set in RS485-LN.
--=== 3.3.5 Uplink on demand ===
++**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
--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.
--Downlink control command:
--[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
++=== 3.3.6 Uplink on Interrupt ===
--[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
++RS485-LN support external Interrupt uplink since hardware v1.2 release.
++(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.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" %)
++Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
--1.
--11.
--111. Uplink on Interrupt
--Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
++== 3.4 Uplink Payload ==
--AT+INTMOD=0  Disable Interrupt
--AT+INTMOD=1  Interrupt trigger by rising or falling edge.
++(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.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" %)
--AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
++Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
--AT+INTMOD=3  Interrupt trigger by rising edge.
++== 3.5 Configure RS485-LN via AT or Downlink ==
--1.
--11. Uplink Payload
++(((
++User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
++)))
--|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
--|Value|(((
--Battery(mV)
++(((
++There are two kinds of Commands:
++)))
--&
++* (((
++(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
++)))
--Interrupt _Flag
--)))|(((
--PAYLOAD_VER
++* (((
++(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
++)))
++(((
--)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
++)))
--Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
++=== 3.5.1 Common Commands ===
--function Decoder(bytes, port) {
++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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
--~/~/Payload Formats of RS485-BL Deceive
--return {
++=== 3.5.2 Sensor related commands ===
--    ~/~/Battery,units:V
++Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
--    BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
++(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %)
--    ~/~/GPIO_EXTI
++The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
--    EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
--    ~/~/payload of version
--    Pay_ver:bytes[2],
++=== 3.5.3 Sensor related commands ===
--    };
--  }
++==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
++(((
++This command is used to configure the RS485 devices; they won’t be used during sampling.
++)))
++* (((
++(% style="color:#037691" %)**AT Command**
++(((
++**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**           m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
++)))
++)))
++(((
++
++)))
--TTN V3 uplink screen shot.
++* (((
++(% style="color:#037691" %)**Downlink Payload**
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
++(((
++Format: A8 MM NN XX XX XX XX YY
++)))
--1.
--11. Configure RS485-BL via AT or Downlink
++(((
++Where:
++)))
--User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands
++* (((
++MM: 1: add CRC-16/MODBUS ; 0: no CRC
++)))
++* (((
++NN: The length of RS485 command
++)))
++* (((
++XX XX XX XX: RS485 command total NN bytes
++)))
++* (((
++(((
++YY: How many bytes will be uplink from the return of this RS485 command,
++)))
--There are two kinds of Commands:
++* (((
++if YY=0, RS485-LN will execute the downlink command without uplink;
++)))
++* (((
++if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
++)))
++* (((
++if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
++)))
++)))
--* **Common Commands**: They should be available for each sensor, 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
++(((
++
--* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
++**Example 1**    ~-~-> Configure without ask for uplink (YY=0)
++)))
--1.
--11.
--111. Common Commands:
++(((
++To connect a Modbus Alarm with below commands.
++)))
--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]]
++* (((
++The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
++)))
++* (((
++The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
++)))
--1.
--11.
--111. Sensor related commands:
++(((
++
--==== Choose Device Type (RS485 or TTL) ====
++So if user want to use downlink command to control to RS485 Alarm, he can use:
++)))
--RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
++(((
++(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
++)))
--* AT Command
++(((
++(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
++)))
--**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
++(((
++A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
++)))
--**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
++(((
++
++)))
++(((
++**Example 2**        ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
++)))
--* Downlink Payload
++(((
++User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
++)))
--**0A aa**     à same as AT+MOD=aa
++(((
++
++)))
++(((
++(((
++RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:    **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
++)))
++
++)))
--==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
++(((
++ (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.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" %)
++)))
--This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
--* AT Command
--AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
--m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
++==== (% style="color:blue" %)**Set Payload version**(%%) ====
++(((
++This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
++)))
++* (((
++(% style="color:#037691" %)**AT Command:**
--* Downlink Payload
++**AT+PAYVER:    **Set PAYVER field = 1
--Format: A8 MM NN XX XX XX XX YY
++
++)))
++* (((
++(% style="color:#037691" %)**Downlink Payload:**
++)))
--Where:
++(((
++**0xAE 01**   ~-~->     Set PAYVER field =  0x01
++)))
--* MM: 1: add CRC-16/MODBUS ; 0: no CRC
--* NN: The length of RS485 command
--* XX XX XX XX: RS485 command total NN bytes
--* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
++(((
++**0xAE 0F**   ~-~->     Set PAYVER field =  0x0F
++)))
--**Example 1:**
--To connect a Modbus Alarm with below commands.
--* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
--* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
++==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
--So if user want to use downlink command to control to RS485 Alarm, he can use:
++(((
++AT+COMMANDx or AT+DATACUTx
++)))
--**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
++(((
++These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
++)))
--**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
++(((
++
++)))
--A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
++* (((
++(% style="color:#037691" %)**AT Command:**
++)))
++**AT+COMMANDx:    **Configure RS485 read command to sensor.
--**Example 2:**
++**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
--Check TTL Sensor return:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
++* (((
++(% style="color:#037691" %)**Downlink Payload:**
++)))
++(((
++**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
++)))
++(((
++(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
++)))
++(((
++Format: AF MM NN LL XX XX XX XX YY
++)))
--==== Set Payload version ====
++(((
++Where:
++)))
--This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
++* (((
++MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
++)))
++* (((
++NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
++)))
++* (((
++LL:   The length of AT+COMMAND or AT+DATACUT command
++)))
++* (((
++XX XX XX XX: AT+COMMAND or AT+DATACUT command
++)))
++* (((
++YY:   If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
++)))
--* AT Command:
++(((
++
--AT+PAYVER: Set PAYVER field = 1
++**Example:**
++)))
++(((
++(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
++)))
--* Downlink Payload:
++(((
++(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
++)))
--0xAE 01   à Set PAYVER field =  0x01
++(((
++(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
++)))
--0xAE 0F   à Set PAYVER field =  0x0F
--==== Set RS485 Sampling Commands ====
--AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
++==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
--These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
++(((
++**AT+MBFUN** is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
++)))
++(((
++This command is valid since v1.3 firmware version
++)))
--* AT Command:
++(((
++AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
++)))
--AT+COMMANDx: Configure RS485 read command to sensor.
++(((
++
++)))
--AT+DATACUTx: Configure how to handle return from RS485 devices.
++(((
++**Example:**
++)))
--AT+SEARCHx: Configure search command
++* (((
++AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
++)))
++* (((
++AT+COMMAND1= 01 03 00 10 00 08,1      ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
++)))
++* (((
++AT+COMMAND2= 01 02 00 40 00 10,1      ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
++
++)))
--* Downlink Payload:
++(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)
--0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
++(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)
--Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
--Format: AF MM NN LL XX XX XX XX YY
--Where:
--* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
--* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
--* LL: The length of AT+COMMAND or AT+DATACUT command
--* XX XX XX XX: AT+COMMAND or AT+DATACUT command
--* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
++==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
--Example:
++(((
++Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
++)))
--**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
++(((
++Default value: 0, range:  0 ~~ 65 seconds
++)))
--**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
++* (((
++(% style="color:#037691" %)** AT Command:**
--**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
++**AT+CMDDLaa=hex(bb cc)*1000**
++)))
++(((
++
--0xAB downlink command can be used for set AT+SEARCHx
++**Example:**
++)))
--Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
++(((
++**AT+CMDDL1=1000** to send the open time to 1000ms
++)))
--* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
--* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
++(((
++
++)))
--**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
++* (((
++(% style="color:#037691" %)** Downlink Payload:**
++)))
++(((
++**0x AA aa bb cc**
++)))
--==== Fast command to handle MODBUS device ====
++(((
++Same as: AT+CMDDLaa=hex(bb cc)*1000
++)))
--AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
++(((
++**Example:**
++)))
--This command is valid since v1.3 firmware version
++(((
++**0xAA 01 00 01**    ~-~-> Same as  **AT+CMDDL1=1000 ms**
++)))
--AT+MBFUN has only two value:
--* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
--AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
++==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
--* AT+MBFUN=0: Disable Modbus fast reading.
++(((
++Define to use one uplink or multiple uplinks for the sampling.
++)))
--Example:
++(((
++The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
--* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
--* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
--* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
++
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
++* (((
++(% style="color:#037691" %)** AT Command:**
++)))
++**AT+DATAUP=0**
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
++**AT+DATAUP=1**
--* Downlink Commands:
++* (((
++(% style="color:#037691" %)** Downlink Payload:**
++)))
--A9 aa -à Same as AT+MBFUN=aa
++(((
++**0xAD 00**   **~-~->** Same as AT+DATAUP=0
++)))
++(((
++**0xAD 01**   **~-~->** Same as AT+DATAUP=1
++)))
--==== RS485 command timeout ====
--Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
--Default value: 0, range:  0 ~~ 5 seconds
++==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
--* AT Command:
++(((
++Ask device to send an uplink immediately.
++)))
--AT+CMDDLaa=hex(bb cc)
++* (((
++(% style="color:#037691" %)** AT Command:**
++)))
--Example:
++(((
++No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
++)))
--**AT+CMDDL1=1000** to send the open time to 1000ms
++(((
++
++)))
++* (((
++(% style="color:#037691" %)** Downlink Payload:**
++)))
--* Downlink Payload:
++(((
++**0x08 FF**, RS485-LN will immediately send an uplink.
++)))
--0x AA aa bb cc
--Same as: AT+CMDDLaa=hex(bb cc)
--   Example:
--   0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
++==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
++(((
++The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
--==== [[Uplink>>path:#downlink_A8]] payload mode ====
++
++)))
--Define to use one uplink or multiple uplinks for the sampling.
++* (((
++(% style="color:#037691" %)** AT Command:**
++)))
--The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
++(((
++**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
++)))
--* AT Command:
++(((
++Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
++)))
--AT+DATAUP=0
++(((
++Example screen shot after clear all RS485 commands.
++)))
--AT+DATAUP=1
++(((
++
++)))
++(((
++The uplink screen shot is:
++)))
--* Downlink Payload:
++(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.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" %)
--0xAD 00   à Same as AT+DATAUP=0
--0xAD 01   à Same as AT+DATAUP=1
++* (((
++(% style="color:#037691" %)** Downlink Payload:**
++)))
++(((
++**0x09 aa bb**  same as AT+CMDEAR=aa,bb
++)))
--==== Manually trigger an Uplink ====
--Ask device to send an uplink immediately.
--* Downlink Payload:
--0x08 FF, RS485-BL will immediately send an uplink.
++==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
++(((
++Set the Rs485 serial communication parameters:
++)))
--==== Clear RS485 Command ====
++* (((
++(% style="color:#037691" %)** AT Command:**
++)))
--The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
++(((
++
++* Set Baud Rate
++)))
--* AT Command:
++**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
--**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
--Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
++(((
++* Set UART Parity
++)))
--Example screen shot after clear all RS485 commands.
++**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
++(((
++* Set STOPBIT
++)))
--The uplink screen shot is:
++**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
--* Downlink Payload:
++* (((
++(% style="color:#037691" %)** Downlink Payload:**
++)))
--0x09 aa bb  same as AT+CMDEAR=aa,bb
++(((
++**A7 01 aa bb**:     Same  AT+BAUDR=hex(aa bb)*100
++)))
++(((
++**Example:**
++)))
--==== Set Serial Communication Parameters ====
++* (((
++A7 01 00 60   same as AT+BAUDR=9600
++)))
++* (((
++A7 01 04 80     same as AT+BAUDR=115200
++)))
--Set the Rs485 serial communication parameters:
++(((
++A7 02 aa:    Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
++)))
--* AT Command:
++(((
++A7 03 aa:    Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
++)))
--Set Baud Rate:
--AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
--Set UART parity
++== 3.6 Listening mode for RS485 network ==
--AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
++(((
++This feature support since firmware v1.4
++)))
++(((
++RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
++)))
--Set STOPBIT
++(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% 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" %)
--AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
++(((
++To enable the listening mode, use can run the command AT+RXMODE.
++)))
++(((
++
++)))
--* Downlink Payload:
++(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
++|=(% style="width: 100px;" %)(((
++**Command example**
++)))|=(% style="width: 400px;" %)(((
++**Function**
++)))
++|(% style="width:100px" %)(((
++AT+RXMODE=1,10
++)))|(% style="width:400px" %)(((
++Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
++)))
++|(% style="width:100px" %)(((
++AT+RXMODE=2,500
++)))|(% style="width:400px" %)(((
++Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
++)))
++|(% style="width:100px" %)(((
++AT+RXMODE=0,0
++)))|(% style="width:400px" %)(((
++Disable listening mode. This is the default settings.
++)))
++|(% style="width:100px" %)(((
++
++)))|(% style="width:400px" %)(((
++A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
++)))
--A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
++(((
++(% style="color:#037691" %)** Downlink Command:**
++)))
--Example:
++(((
++**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
++)))
--* A7 01 00 60   same as AT+BAUDR=9600
--* A7 01 04 80     same as AT+BAUDR=115200
++(((
++
++)))
--A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
++(((
++**Example**:
++)))
--A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
++(((
++The RS485-LN is set to AT+RXMODE=2,1000
++)))
++(((
++There is a two Modbus commands in the RS485 network as below:
++)))
--==== Control output power duration ====
++(((
++The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
++)))
--User can set the output power duration before each sampling.
++(((
++And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
++)))
--* AT Command:
++(((
++RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
++)))
--Example:
++(((
++(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.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" %)
++)))
--AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
++(((
++
++)))
--AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
++(((
++(((
++(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
++)))
++)))
--* LoRaWAN Downlink Command:
++== 3.7 Buttons ==
--07 01 aa bb  Same as AT+5VT=(aa bb)
--07 02 aa bb  Same as AT+3V3T=(aa bb)
++(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
++|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
++|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
++|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
++|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
--1.
--11. Buttons
++== 3.8 LEDs ==
--|**Button**|**Feature**
--|**RST**|Reboot RS485-BL
--1.
--11. +3V3 Output
++(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
++|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
++|**PWR**|Always on if there is power
++|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
--RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
--The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
--The +3V3 output time can be controlled by AT Command.
++= 4. Case Study =
--**AT+3V3T=1000**
++User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN  RS485-BL.WebHome]]
--Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
++= 5. Use AT Command =
--By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
++== 5.1 Access AT Command ==
++(((
++RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
++)))
--1.
--11. +5V Output
++(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.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" %)
--RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
--The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
++(((
++In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
++)))
++(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.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" %)
--The 5V output time can be controlled by AT Command.
--**AT+5VT=1000**
++(((
++More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
++)))
--Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
--By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
++== 5.2 Common AT Command Sequence ==
++=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
++If device has not joined network yet:
--1.
--11. LEDs
++* (% style="color:#037691" %)**AT+FDR**
++* (% style="color:#037691" %)**AT+NJM=0**
++* (% style="color:#037691" %)**ATZ**
--|**LEDs**|**Feature**
--|**LED1**|Blink when device transmit a packet.
++(((
++
--1.
--11. Switch Jumper
++If device already joined network:
--|**Switch Jumper**|**Feature**
--|**SW1**|(((
--ISP position: Upgrade firmware via UART
++* (% style="color:#037691" %)**AT+NJM=0**
++* (% style="color:#037691" %)**ATZ**
--Flash position: Configure device, check running status.
++
  )))
--|**SW2**|(((
--5V position: set to compatible with 5v I/O.
--3.3v position: set to compatible with 3.3v I/O.,
--)))
--+3.3V: is always ON
++=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
--+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
--1. Case Study
++(% style="background-color:#dcdcdc" %)**AT+FDR** (%%)          Reset Parameters to Factory Default, Keys Reserve
--User can check this URL for some case studies.
++(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)   Set to ABP mode
--[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
++(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)   Set the Adaptive Data Rate Off
++(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)   Set Data Rate
++(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%)                 Set transmit interval to 60 seconds
++(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)          Set transmit frequency to 868.4Mhz
--1. Use AT Command
--11. Access AT Command
++(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%)     Set RX2Frequency to 868.4Mhz (according to the result from server)
--RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
++(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%)                    Set RX2DR to match the downlink DR from server. see below
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
++(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%)                  01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
++(% style="background-color:#dcdcdc" %)**ATZ**       (%%)                                Reset MCU
--In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
++(% style="color:red" %)**Note:**
++(((
++(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
++2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
++3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
++4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
++)))
++(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.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" %)
--More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
++= 6. FAQ =
++== 6.1 How to upgrade the image? ==
--1.
--11. Common AT Command Sequence
--111. Multi-channel ABP mode (Use with SX1301/LG308)
++(((
++The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
++)))
--If device has not joined network yet:
++* (((
++Support new features
++)))
++* (((
++For bug fix
++)))
++* (((
++Change LoRaWAN bands.
++)))
--AT+FDR
++(((
++Below shows the hardware connection for how to upload an image to RS485-LN:
++)))
--AT+NJM=0
++(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.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" %)
--ATZ
++(((
++(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
++)))
++(((
++(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
++)))
--If device already joined network:
++(((
++(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
++)))
--AT+NJM=0
++(((
++(((
++(((
++(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
++)))
++)))
++)))
--ATZ
--1.
--11.
--111. Single-channel ABP mode (Use with LG01/LG02)
++(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.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" %)
--AT+FDR   Reset Parameters to Factory Default, Keys Reserve
--AT+NJM=0 Set to ABP mode
++(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.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" %)
--AT+ADR=0 Set the Adaptive Data Rate Off
--AT+DR=5  Set Data Rate
++(% 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" %)
--AT+TDC=60000  Set transmit interval to 60 seconds
--AT+CHS=868400000 Set transmit frequency to 868.4Mhz
++(% 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:
--AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
++(% 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" %)
--AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
--AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
++== 6.2 How to change the LoRa Frequency Bands/Region? ==
--ATZ          Reset MCU
++User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
--**Note:**
--1. Make sure the device is set to ABP mode in the IoT Server.
--1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
--1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
--1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
++== 6.3 How many RS485-Slave can RS485-LN connects? ==
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
++The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
--1. FAQ
--11. How to upgrade the image?
++== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
--The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
++When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
--* Support new features
--* For bug fix
--* Change LoRaWAN bands.
++Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
--Below shows the hardware connection for how to upload an image to RS485-BL:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
++== 6.5 Can i use point to point communication for RS485-LN? ==
--**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
++Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
--**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
--**Step3: **Open flashloader; choose the correct COM port to update.
++= 7. Trouble Shooting =
++== 7.1 Downlink doesn't work, how to solve it? ==
--|(((
--HOLD PRO then press the RST button, SYS will be ON, then click next
--)))
++Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
--|(((
--Board detected
--)))
--|(((
--
--)))
++== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]            [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
++It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
++= 8. Order Info =
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]           [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
++(% style="color:blue" %)**Part Number: RS485-LN-XXX**
++(% style="color:blue" %)**XXX:**
--[[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]]
++* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
++* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
++* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
++* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
++* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
++* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
++* (% style="color:red" %)**US915**(%%):  frequency bands US915
++* (% style="color:red" %)**IN865**(%%):   frequency bands IN865
++* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
++* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
--1.
--11. How to change the LoRa Frequency Bands/Region?
--User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
++= 9.Packing Info =
--1.
--11. How many RS485-Slave can RS485-BL connects?
++**Package Includes**:
--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]].
++* RS485-LN x 1
++* Stick Antenna for LoRa RF part x 1
++* Program cable x 1
++**Dimension and weight**:
++* Device Size: 13.5 x 7 x 3 cm
++* Device Weight: 105g
++* Package Size / pcs : 14.5 x 8 x 5 cm
++* Weight / pcs : 170g
--1. Trouble Shooting
--11. Downlink doesn’t work, how to solve it?
--Please see this link for debug:
--[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
++= 10. FCC Caution for RS485LN-US915 =
++(((
++Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
++)))
++(((
++This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
++)))
--1.
--11. Why I can’t join TTN V3 in US915 /AU915 bands?
++(((
++
++)))
--It might about the channels mapping. Please see for detail.
++(((
++(% style="color:red" %)**IMPORTANT NOTE:**
++)))
--[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
++(((
++**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
++)))
++(((
++—Reorient or relocate the receiving antenna.
++)))
++(((
++—Increase the separation between the equipment and receiver.
++)))
--1. Order Info
++(((
++—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
++)))
--**Part Number: RS485-BL-XXX**
++(((
++—Consult the dealer or an experienced radio/TV technician for help.
++)))
--**XXX:**
++(((
++
++)))
--* **EU433**: frequency bands EU433
--* **EU868**: frequency bands EU868
--* **KR920**: frequency bands KR920
--* **CN470**: frequency bands CN470
--* **AS923**: frequency bands AS923
--* **AU915**: frequency bands AU915
--* **US915**: frequency bands US915
--* **IN865**: frequency bands IN865
--* **RU864**: frequency bands RU864
--* **KZ865: **frequency bands KZ865
++(((
++(% style="color:red" %)**FCC Radiation Exposure Statement:**
++)))
--1. Packing Info
++(((
++This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
++)))
--**Package Includes**:
--* RS485-BL x 1
--* Stick Antenna for LoRa RF part x 1
--* Program cable x 1
--**Dimension and weight**:
++= 11. Support =
--* Device Size: 13.5 x 7 x 3 cm
--* Device Weight: 105g
--* Package Size / pcs : 14.5 x 8 x 5 cm
--* Weight / pcs : 170g
--
--1. Support
--
--* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
--* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
--
--[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
++* (((
++Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
++)))
++* (((
++Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
++)))

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