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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.11
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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113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 -
118 118  == 1.5 Firmware Change log ==
119 119  
120 120  [[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);"]]
121 121  
122 -
123 123  == 1.6 Hardware Change log ==
124 124  
125 125  (((
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146 146  
147 147  (((
148 148  Release version ​​​​​
149 -
150 -
151 151  )))
152 152  
153 153  = 2. Pin mapping and Power ON Device =
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161 161  
162 162  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
163 163  
164 -
165 165  = 3. Operation Mode =
166 166  
167 167  == 3.1 How it works? ==
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168 168  
169 169  (((
170 170  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.
171 -
172 -
173 173  )))
174 174  
175 175  == 3.2 Example to join LoRaWAN network ==
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233 233  == 3.3 Configure Commands to read data ==
234 234  
235 235  (((
236 -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.
237 -
238 -
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.
239 239  )))
240 240  
241 241  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===