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Last modified by Xiaoling on 2025/04/23 15:57
From version 44.3
edited by Xiaoling
on 2022/06/14 09:44
Change comment: There is no comment for this version
To version 44.14
edited by Xiaoling
on 2022/06/14 10:10
Change comment: There is no comment for this version

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1 1  (% style="text-align:center" %)
2 -[[image:1652947681187-144.png||height="385" width="385"]]
2 +[[image:1652947681187-144.png||height="404" width="404"]]
3 3  
4 4  
5 5  
6 6  
7 -
8 8  **Table of Contents:**
9 9  
10 10  {{toc/}}
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91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
93 93  
93 +
94 94  == 1.3 Features ==
95 95  
96 96  * LoRaWAN Class A & Class C protocol (default Class A)
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102 102  * Support Modbus protocol
103 103  * Support Interrupt uplink
104 104  
105 +
105 105  == 1.4 Applications ==
106 106  
107 107  * Smart Buildings & Home Automation
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111 111  * Smart Cities
112 112  * Smart Factory
113 113  
115 +
114 114  == 1.5 Firmware Change log ==
115 115  
116 116  [[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);"]]
... ... @@ -194,6 +194,7 @@
194 194  
195 195  [[image:1652953414711-647.png||height="337" width="723"]]
196 196  
199 +
197 197  (((
198 198  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
199 199  )))
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203 203  )))
204 204  
205 205  (((
206 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
209 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-BL.
207 207  )))
208 208  
209 209  (((
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212 212  
213 213  [[image:1652953462722-299.png]]
214 214  
218 +
215 215  (((
216 216  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
217 217  )))
218 218  
219 219  (((
220 -Add APP EUI in the application.
224 +**Add APP EUI in the application.**
221 221  )))
222 222  
223 223  
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229 229  
230 230  [[image:image-20220519174512-4.png]]
231 231  
236 +
232 232  You can also choose to create the device manually.
233 233  
234 234  [[image:1652953542269-423.png||height="710" width="723"]]
235 235  
241 +
236 236  Add APP KEY and DEV EUI
237 237  
238 238  [[image:1652953553383-907.png||height="514" width="724"]]
239 239  
240 240  
247 +
241 241  (((
242 -**Step 2**: Power on RS485-BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
249 +(% style="color:blue" %)**Step 2**(%%): Power on RS485-BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
243 243  )))
244 244  
245 245  [[image:1652953568895-172.png||height="232" width="724"]]
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379 379  )))
380 380  )))
381 381  
389 +
390 +
382 382  === 3.3.2 Configure sensors ===
383 383  
384 384  (((
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429 429  
430 430  (((
431 431  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
441 +
442 +
432 432  )))
433 433  
434 434  (((
435 -**Command from RS485-BL to Sensor:**
446 +(% style="color:blue" %)**Command from RS485-BL to Sensor:**
436 436  )))
437 437  
438 438  (((
439 439  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
451 +
452 +
440 440  )))
441 441  
442 442  (((
443 -**Handle return from sensors to RS485-BL**:
456 +(% style="color:blue" %)**Handle return from sensors to RS485-BL**:
444 444  )))
445 445  
446 446  (((
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448 448  )))
449 449  
450 450  * (((
451 -**AT+DATACUT**
464 +(% style="color:blue" %)**AT+DATACUT**
452 452  )))
453 453  
454 454  (((
455 455  When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
469 +
470 +
456 456  )))
457 457  
458 458  * (((
459 -**AT+SEARCH**
474 +(% style="color:blue" %)**AT+SEARCH**
460 460  )))
461 461  
462 462  (((
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464 464  )))
465 465  
466 466  (((
467 -**Define wait timeout:**
482 +
483 +
484 +(% style="color:blue" %)**Define wait timeout:**
468 468  )))
469 469  
470 470  (((
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476 476  )))
477 477  
478 478  (((
496 +
497 +
479 479  **Examples:**
480 480  )))
481 481