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

Last modified by Karry Zhuang on 2025/03/06 16:34

From version < 7.1 >

edited by Xiaoling
on 2022/05/19 17:43

To version < 6.1 >

edited by Xiaoling
on 2022/05/19 17:41

Change comment: Uploaded new attachment "1652953304999-717.png", version {1}

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@@ -1,6 +1,7 @@
  (% style="text-align:center" %)
  [[image:1652947681187-144.png||height="385" width="385"]]
++[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
@@ -26,7 +26,7 @@
  )))
  (((
--RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
++RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
  )))
  (((
@@ -49,7 +49,7 @@
  Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
  )))
--[[image:1652953304999-717.png||height="424" width="733"]]
++[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
  == 1.2 Specifications ==
@@ -56,11 +56,11 @@
  **Hardware System:**
  * STM32L072CZT6 MCU
--* SX1276/78 Wireless Chip
++* SX1276/78 Wireless Chip
  * Power Consumption (exclude RS485 device):
  ** Idle: 6uA@3.3v
--*
++*
  ** 20dB Transmit: 130mA@3.3v
  **Interface for Model:**
@@ -110,7 +110,7 @@
  * Smart Cities
  * Smart Factory
--== 1.5 Firmware Change log ==
++== 1.5 Firmware Change log  ==
  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
@@ -144,26 +144,26 @@
  = 2. Pin mapping and Power ON Device =
--(((
  The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
--)))
  [[image:1652953055962-143.png||height="387" width="728"]]
++[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
--= 3. Operation Mode =
--== 3.1 How it works? ==
++3. Operation Mode
++3.1 How it works?
++
  The RS485-BL is configured as LoRaWAN OTAA Class A 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-BL. It will auto join the network via OTAA.
--1.
++1.
 . Example to join LoRaWAN network
--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.
++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:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
@@ -217,6 +217,7 @@
  )))
++
  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
  Add APP KEY and DEV EUI
@@ -231,14 +231,14 @@
--1.
++1.
 . Configure Commands to read data
  There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
--1.
--11.
++1.
++11.
 . Configure UART settings for RS485 or TTL communication
  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
@@ -286,8 +286,9 @@
--1.
--11.
++
++1.
++11.
 . Configure sensors
  Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
@@ -310,8 +310,8 @@
--1.
--11.
++1.
++11.
 . Configure read commands for each sampling
  RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
@@ -415,7 +415,7 @@
  * **a: length for the return of AT+COMMAND**
  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
--* **c: define the position for valid value.  **
++* **c: define the position for valid value.  **
  )))
  Examples:
@@ -456,8 +456,8 @@
--1.
--11.
++1.
++11.
 . Compose the uplink payload
  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
@@ -521,8 +521,8 @@
--1.
--11.
++1.
++11.
 . Uplink on demand
  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.
@@ -535,8 +535,8 @@
--1.
--11.
++1.
++11.
 . 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]]
@@ -550,9 +550,10 @@
  AT+INTMOD=3  Interrupt trigger by rising edge.
--1.
++1.
 . Uplink Payload
++
  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
  |Value|(((
  Battery(mV)
@@ -601,7 +601,7 @@
  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
--1.
++1.
 . Configure RS485-BL via AT or Downlink
  User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands
@@ -612,17 +612,20 @@
  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
--1.
--11.
++
++1.
++11.
 . Common 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]]
--1.
--11.
++1.
++11.
 . Sensor related commands:
++
  ==== Choose Device Type (RS485 or TTL) ====
  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
@@ -663,6 +663,7 @@
  * 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
++
  **Example 1:**
  To connect a Modbus Alarm with below commands.
@@ -771,6 +771,7 @@
  * AT+MBFUN=0: Disable Modbus fast reading.
++
  Example:
  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
@@ -855,7 +855,7 @@
  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
--Example screen shot after clear all RS485 commands.
++Example screen shot after clear all RS485 commands.
@@ -899,6 +899,7 @@
  * 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)
  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
@@ -926,18 +926,20 @@
--1.
++1.
 . Buttons
++
  |**Button**|**Feature**
  |**RST**|Reboot RS485-BL
--1.
++
++1.
 . +3V3 Output
  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 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.
@@ -950,12 +950,12 @@
  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
--1.
++1.
 . +5V Output
  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.
++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.
  The 5V output time can be controlled by AT Command.
@@ -970,13 +970,14 @@
--1.
++1.
 . LEDs
  |**LEDs**|**Feature**
  |**LED1**|Blink when device transmit a packet.
--1.
++
++1.
 . Switch Jumper
  |**Switch Jumper**|**Feature**
@@ -997,6 +997,7 @@
 . Case Study
++
  User can check this URL for some case studies.
  [[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]]
@@ -1022,7 +1022,7 @@
--1.
++1.
 . Common AT Command Sequence
 . Multi-channel ABP mode (Use with SX1301/LG308)
@@ -1041,8 +1041,8 @@
  ATZ
--1.
--11.
++1.
++11.
 . Single-channel ABP mode (Use with LG01/LG02)
  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
@@ -1084,6 +1084,7 @@
  * For bug fix
  * Change LoRaWAN bands.
++
  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]]
@@ -1117,7 +1117,7 @@
  [[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]]
--1.
++1.
 . 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.
@@ -1124,9 +1124,10 @@
--1.
++1.
 . How many RS485-Slave can RS485-BL 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>>path:#downlink_A8]].
@@ -1137,11 +1137,11 @@
  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]]
++[[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]]
--1.
++1.
 . Why I can’t join TTN V3 in US915 /AU915 bands?
  It might about the channels mapping. Please see for detail.
@@ -1152,6 +1152,7 @@
 . Order Info
++
  **Part Number: RS485-BL-XXX**
  **XXX:**
@@ -1167,6 +1167,7 @@
  * **RU864**: frequency bands RU864
  * **KZ865: **frequency bands KZ865
++
 . Packing Info
  **Package Includes**:
@@ -1175,6 +1175,7 @@
  * Stick Antenna for LoRa RF part x 1
  * Program cable x 1
++
  **Dimension and weight**:
  * Device Size: 13.5 x 7 x 3 cm
@@ -1182,6 +1182,7 @@
  * Package Size / pcs : 14.5 x 8 x 5 cm
  * Weight / pcs : 170g
++
 . 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.

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

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