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

Last modified by Bei Jinggeng on 2025/01/16 11:36

From version < 58.18 >

edited by Xiaoling
on 2022/06/06 11:23

To version < 61.1 >

edited by Xiaoling
on 2022/06/14 11:26

Change comment: There is no comment for this version

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

Content

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--**RS485-LN – RS485 to LoRaWAN Converter User Manual**
@@ -25,6 +25,8 @@
  (((
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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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@@ -48,6 +48,8 @@
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  (% 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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@@ -92,6 +92,9 @@
  * Automatic RF Sense and CAD with ultra-fast AFC.
  * Packet engine up to 256 bytes with CRC
++
++
++
  == 1.3 Features ==
  * LoRaWAN Class A & Class C protocol (default Class C)
@@ -104,6 +104,8 @@
  * Support Interrupt uplink (Since hardware version v1.2)
++
++
  == 1.4 Applications ==
  * Smart Buildings & Home Automation
@@ -114,6 +114,8 @@
  * Smart Factory
++
++
  == 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/]]
@@ -182,12 +182,13 @@
  [[image:1653268227651-549.png||height="592" width="720"]]
++
  (((
  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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@@ -197,6 +197,7 @@
  [[image:1652953462722-299.png]]
++
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  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
@@ -203,7 +203,7 @@
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--Add APP EUI in the application.
++**Add APP EUI in the application.**
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@@ -219,13 +219,15 @@
  [[image:1652953542269-423.png||height="710" width="723"]]
--Add APP KEY and DEV EUI
++
++**Add APP KEY and DEV EUI**
++
  [[image:1652953553383-907.png||height="514" width="724"]]
  (((
--**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"]]
@@ -235,11 +235,15 @@
  (((
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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-BLviaATorDownlink"]] 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.
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++)))
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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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  )))
--
  === 3.3.2 Configure sensors ===
  (((
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  (% 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
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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 ===
  (((
@@ -341,7 +341,7 @@
  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.
@@ -356,11 +356,11 @@
  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**
@@ -372,7 +372,7 @@
  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:510px" %)
  |(% style="width:510px" %)(((
@@ -385,20 +385,21 @@
  **Examples:**
--* Grab bytes:
++* (% style="color:#037691" %)**Grab bytes**
  [[image:image-20220602153621-1.png]]
--* Grab a section.
++* (% style="color:#037691" %)**Grab a section**
  [[image:image-20220602153621-2.png]]
--* Grab different sections.
++* (% style="color:#037691" %)**Grab different sections**
  [[image:image-20220602153621-3.png]]
++
  )))
@@ -507,7 +507,7 @@
  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
--== 3.5 Configure RS485-BL via AT or Downlink ==
++== 3.5 Configure RS485-LN via AT or Downlink ==
  (((
  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
@@ -673,7 +673,7 @@
  ==== **Set Payload version** ====
  (((
--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.
++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.
  )))
  * (((
@@ -771,7 +771,7 @@
  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-LN will execute an uplink after got this 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.
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@@ -1083,62 +1083,122 @@
  )))
++
++
  == 3.6 Listening mode for RS485 network ==
++(((
  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.
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  [[image:image-20220602171200-8.png||height="567" width="1007"]]
++(((
  To enable the listening mode, use can run the command AT+RXMODE.
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++
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--(% border="1" style="background-color:#ffffcc; width:500px" %)
--|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
--|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
--|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
++(% 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)
++)))
++(((
  **Downlink Command:**
++)))
++(((
  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
++)))
++(((
++
++)))
++(((
  **Example**:
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++(((
  The RS485-LN is set to AT+RXMODE=2,1000
++)))
++(((
  There is a two Modbus commands in the RS485 network as below:
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++(((
  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
++)))
++(((
  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
++)))
++(((
  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
++)))
++(((
  [[image:image-20220602171200-9.png]]
++)))
++(((
++
++)))
++(((
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  (% 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.
++)))
++)))
  == 3.7 Buttons ==
--(% border="1" style="background-color:#f7faff; width:500px" %)
--|=**Button**|=(% style="width: 1420px;" %)**Feature**
--|**ACT**|(% style="width:1420px" %)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**
--|**RST**|(% style="width:1420px" %)Reboot RS485
--|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
++(% 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"]]
  == 3.8 LEDs ==
--(% border="1" style="background-color:#f7faff; width:500px" %)
--|=**LEDs**|=**Feature**
++
++(% 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.
++|**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.
  = 4. Case Study =
@@ -1149,19 +1149,26 @@
  == 5.1 Access AT Command ==
--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.
++(((
++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.
++)))
  [[image:1654162355560-817.png]]
--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-BL. The default password is 123456. Below is the output for reference:
++(((
++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:
++)))
  [[image:1654162368066-342.png]]
++(((
  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/]]
++)))
++
  == 5.2 Common AT Command Sequence ==
  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
@@ -1184,7 +1184,9 @@
  )))
++(((
  If device already joined network:
++)))
  (% class="box infomessage" %)
  (((
@@ -1223,10 +1223,12 @@
  (% style="color:red" %)**Note:**
++(((
  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
 . Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
 . 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.
 . 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
++)))
  [[image:1654162478620-421.png]]
@@ -1235,25 +1235,45 @@
  == 6.1 How to upgrade the image? ==
++(((
  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
++)))
--* Support new features
--* For bug fix
--* Change LoRaWAN bands.
++* (((
++Support new features
++)))
++* (((
++For bug fix
++)))
++* (((
++Change LoRaWAN bands.
++)))
++(((
  Below shows the hardware connection for how to upload an image to RS485-LN:
++)))
  [[image:1654162535040-878.png]]
++(((
  **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]].
++)))
++(((
  **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.
++)))
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++(((
++(((
  (% 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.
  )))
++)))
++)))
  [[image:image-20220602175818-12.png]]
@@ -1275,9 +1275,9 @@
  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
--== 6.3 How many RS485-Slave can RS485-BL connects? ==
++== 6.3 How many RS485-Slave can RS485-LN connects? ==
--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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
++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"]].
  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
@@ -1316,7 +1316,6 @@
  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
--
  = 9.Packing Info =
@@ -1333,7 +1333,6 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
--
  = 10. FCC Caution for RS485LN-US915 =
  (((

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