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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.4
edited by Xiaoling
on 2022/06/01 17:59
Change comment: There is no comment for this version
To version 29.14
edited by Xiaoling
on 2022/06/01 18:02
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
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10 10  
11 11  **Table of Contents:**
12 12  
13 +{{toc/}}
13 13  
14 14  
15 15  
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53 53  
54 54  [[image:1652953304999-717.png||height="424" width="733"]]
55 55  
57 +
58 +
56 56  == 1.2 Specifications ==
57 57  
58 58  **Hardware System:**
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92 92  * 127 dB Dynamic Range RSSI.
93 93  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
94 94  
98 +
99 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class A)
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103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink
105 105  
111 +
112 +
106 106  == 1.4 Applications ==
107 107  
108 108  * Smart Buildings & Home Automation
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112 112  * Smart Cities
113 113  * Smart Factory
114 114  
122 +
123 +
115 115  == 1.5 Firmware Change log ==
116 116  
117 117  [[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);"]]
118 118  
128 +
119 119  == 1.6 Hardware Change log ==
120 120  
121 121  (((
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142 142  
143 143  (((
144 144  Release version ​​​​​
155 +
156 +
145 145  )))
146 146  
147 147  = 2. Pin mapping and Power ON Device =
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155 155  
156 156  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
157 157  
170 +
158 158  = 3. Operation Mode =
159 159  
160 160  == 3.1 How it works? ==
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161 161  
162 162  (((
163 163  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.
177 +
178 +
164 164  )))
165 165  
166 166  == 3.2 Example to join LoRaWAN network ==
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224 224  == 3.3 Configure Commands to read data ==
225 225  
226 226  (((
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.
242 +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.
243 +
244 +
228 228  )))
229 229  
230 230  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===