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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.10
edited by Xiaoling
on 2022/06/01 18:01
Change comment: There is no comment for this version
To version 29.4
edited by Xiaoling
on 2022/06/01 17:59
Change comment: There is no comment for this version

Summary

Details

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Content
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10 10  
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
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117 117  
118 118  [[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);"]]
119 119  
120 -
121 121  == 1.6 Hardware Change log ==
122 122  
123 123  (((
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144 144  
145 145  (((
146 146  Release version ​​​​​
147 -
148 -
149 149  )))
150 150  
151 151  = 2. Pin mapping and Power ON Device =
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159 159  
160 160  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
161 161  
162 -
163 163  = 3. Operation Mode =
164 164  
165 165  == 3.1 How it works? ==
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166 166  
167 167  (((
168 168  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.
169 -
170 -
171 171  )))
172 172  
173 173  == 3.2 Example to join LoRaWAN network ==
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231 231  == 3.3 Configure Commands to read data ==
232 232  
233 233  (((
234 -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>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
235 -
236 -
227 +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.
237 237  )))
238 238  
239 239  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===