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Last modified by Xiaoling on 2025/04/23 15:57
From version 44.2
edited by Xiaoling
on 2022/06/14 09:41
Change comment: There is no comment for this version
To version 44.15
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 -
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 13  {{toc/}}
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94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96 96  
93 +
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  
105 +
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  
115 +
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);"]]
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197 197  
198 198  [[image:1652953414711-647.png||height="337" width="723"]]
199 199  
199 +
200 200  (((
201 201  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
202 202  )))
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206 206  )))
207 207  
208 208  (((
209 -**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.
210 210  )))
211 211  
212 212  (((
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215 215  
216 216  [[image:1652953462722-299.png]]
217 217  
218 +
218 218  (((
219 219  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
220 220  )))
221 221  
222 222  (((
223 -Add APP EUI in the application.
224 +**Add APP EUI in the application.**
224 224  )))
225 225  
226 226  
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232 232  
233 233  [[image:image-20220519174512-4.png]]
234 234  
236 +
235 235  You can also choose to create the device manually.
236 236  
237 237  [[image:1652953542269-423.png||height="710" width="723"]]
238 238  
241 +
239 239  Add APP KEY and DEV EUI
240 240  
241 241  [[image:1652953553383-907.png||height="514" width="724"]]
242 242  
243 243  
247 +
244 244  (((
245 -**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.
246 246  )))
247 247  
248 248  [[image:1652953568895-172.png||height="232" width="724"]]
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382 382  )))
383 383  )))
384 384  
389 +
390 +
385 385  === 3.3.2 Configure sensors ===
386 386  
387 387  (((
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432 432  
433 433  (((
434 434  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 +
435 435  )))
436 436  
437 437  (((
438 -**Command from RS485-BL to Sensor:**
446 +(% style="color:blue" %)**Command from RS485-BL to Sensor:**
439 439  )))
440 440  
441 441  (((
442 442  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 +
443 443  )))
444 444  
445 445  (((
446 -**Handle return from sensors to RS485-BL**:
456 +(% style="color:blue" %)**Handle return from sensors to RS485-BL**:
447 447  )))
448 448  
449 449  (((
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451 451  )))
452 452  
453 453  * (((
454 -**AT+DATACUT**
464 +(% style="color:blue" %)**AT+DATACUT**
455 455  )))
456 456  
457 457  (((
458 458  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 +
459 459  )))
460 460  
461 461  * (((
462 -**AT+SEARCH**
474 +(% style="color:blue" %)**AT+SEARCH**
463 463  )))
464 464  
465 465  (((
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467 467  )))
468 468  
469 469  (((
470 -**Define wait timeout:**
482 +
483 +
484 +(% style="color:blue" %)**Define wait timeout:**
471 471  )))
472 472  
473 473  (((
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479 479  )))
480 480  
481 481  (((
496 +
497 +
482 482  **Examples:**
483 483  )))
484 484  
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536 536  )))
537 537  
538 538  (((
555 +
556 +
539 539  **Examples:**
540 540  )))
541 541