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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.26
edited by Xiaoling
on 2022/06/02 08:52
Change comment: There is no comment for this version
To version 29.18
edited by Xiaoling
on 2022/06/01 18:07
Change comment: There is no comment for this version

Summary

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67 67  ** Idle: 6uA@3.3v
68 68  ** 20dB Transmit: 130mA@3.3v
69 69  
70 +
70 70  **Interface for Model:**
71 71  
72 72  * 1 x RS485 Interface
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76 76  * 1 x Interrupt Interface
77 77  * 1 x Controllable 5V output, max
78 78  
80 +
79 79  **LoRa Spec:**
80 80  
81 81  * Frequency Range:
... ... @@ -94,6 +94,7 @@
94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96 96  
99 +
97 97  == 1.3 Features ==
98 98  
99 99  * LoRaWAN Class A & Class C protocol (default Class A)
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105 105  * Support Modbus protocol
106 106  * Support Interrupt uplink
107 107  
111 +
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
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114 114  * Smart Cities
115 115  * Smart Factory
116 116  
121 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[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);"]]
... ... @@ -206,6 +206,8 @@
206 206  )))
207 207  
208 208  
214 +
215 +
209 209  [[image:image-20220519174512-1.png]]
210 210  
211 211  [[image:image-20220519174512-2.png||height="328" width="731"]]
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229 229  
230 230  [[image:1652953568895-172.png||height="232" width="724"]]
231 231  
232 -
233 233  == 3.3 Configure Commands to read data ==
234 234  
235 235  (((
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316 316  )))
317 317  )))
318 318  
319 -
320 -
321 321  === 3.3.2 Configure sensors ===
322 322  
323 323  (((
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338 338  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
339 339  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
340 340  
341 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
345 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
342 342  
343 -
344 344  === 3.3.3 Configure read commands for each sampling ===
345 345  
346 346  (((
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471 471  
472 472  [[image:1653271581490-837.png||height="313" width="722"]]
473 473  
474 -
475 475  * Grab a section.
476 476  
477 477  [[image:1653271648378-342.png||height="326" width="720"]]