Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 102.8 >
edited by Xiaoling
on 2023/04/25 11:18
To version < 101.1 >
edited by Bei Jinggeng
on 2023/04/17 11:59
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 95  * Packet engine up to 256 bytes with CRC
96 96  
97 +
97 97  == 1.3 Features ==
98 98  
99 99  
... ... @@ -106,6 +106,7 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
110 +
109 109  == 1.4 Applications ==
110 110  
111 111  
... ... @@ -116,6 +116,7 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
121 +
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  
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282 282  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
283 283  
284 284  
285 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
286 -|=(% style="width: 119px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
288 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
289 +|=(% style="width: 110px;" %)(((
287 287  **AT Commands**
288 -)))|=(% style="width: 116px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
291 +)))|=(% style="width: 210px;" %)(((
289 289  **Description**
290 -)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
293 +)))|=(% style="width: 190px;" %)(((
291 291  **Example**
292 292  )))
293 -|(% style="width:119px" %)(((
296 +|(% style="width:110px" %)(((
294 294  AT+BAUDR
295 -)))|(% style="width:116px" %)(((
298 +)))|(% style="width:190px" %)(((
296 296  Set the baud rate (for RS485 connection). Default Value is: 9600.
297 297  )))|(% style="width:190px" %)(((
298 298  (((
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303 303  Options: (1200,2400,4800,14400,19200,115200)
304 304  )))
305 305  )))
306 -|(% style="width:119px" %)(((
309 +|(% style="width:110px" %)(((
307 307  AT+PARITY
308 -)))|(% style="width:116px" %)(((
311 +)))|(% style="width:190px" %)(((
309 309  Set UART parity (for RS485 connection)
310 310  )))|(% style="width:190px" %)(((
311 311  (((
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316 316  Option: 0: no parity, 1: odd parity, 2: even parity
317 317  )))
318 318  )))
319 -|(% style="width:119px" %)(((
322 +|(% style="width:110px" %)(((
320 320  AT+STOPBIT
321 -)))|(% style="width:116px" %)(((
324 +)))|(% style="width:190px" %)(((
322 322  (((
323 323  Set serial stopbit (for RS485 connection)
324 324  )))
... ... @@ -340,6 +340,7 @@
340 340  )))
341 341  )))
342 342  
346 +
343 343  === 3.3.2 Configure sensors ===
344 344  
345 345  
... ... @@ -351,9 +351,9 @@
351 351  )))
352 352  )))
353 353  
354 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
355 -|=(% style="width: 122px; background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 198px; background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
356 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
358 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
359 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
360 +|AT+CFGDEV|(% style="width:110px" %)(((
357 357  (((
358 358  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
359 359  )))
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367 367  )))
368 368  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
369 369  
374 +
370 370  === 3.3.3 Configure read commands for each sampling ===
371 371  
372 372  
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397 397  
398 398  (% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
399 399  
400 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
405 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
401 401  |(% style="width:496px" %)(((
402 402  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
403 403  
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413 413  
414 414  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
415 415  
416 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
421 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
417 417  |(% style="width:510px" %)(((
418 418  **AT+DATACUTx=a,b,c**
419 419  
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555 555  == 3.4 Uplink Payload ==
556 556  
557 557  
558 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
559 -|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
563 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
564 +|=(% scope="row" style="width: 60px;" %)(((
560 560  Size(bytes)
561 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
562 -**Length depends on the return from the commands**
566 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
567 +Length depends on the return from the commands
563 563  )))
564 564  |=(% style="width: 90px;" %)(((
565 565  Value
... ... @@ -1334,13 +1334,13 @@
1334 1334  
1335 1335  )))
1336 1336  
1337 -(% border="1" cellspacing="10" style="background-color:#f2f2f2; width:500px" %)
1338 -|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)(((
1342 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1343 +|=(% style="width: 100px;" %)(((
1339 1339  **Command example**
1340 -)))|=(% style="width: 400px;background-color:#D9E2F3;color:#0070C0" %)(((
1345 +)))|=(% style="width: 400px;" %)(((
1341 1341  **Function**
1342 1342  )))
1343 -|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)(((
1348 +|(% style="width:100px" %)(((
1344 1344  AT+RXMODE=1,10
1345 1345  )))|(% style="width:400px" %)(((
1346 1346  Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
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1425 1425  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1426 1426  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1427 1427  
1433 +
1428 1428  == 3.8 LEDs ==
1429 1429  
1430 1430  
... ... @@ -1433,6 +1433,7 @@
1433 1433  |**PWR**|Always on if there is power
1434 1434  |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1435 1435  
1442 +
1436 1436  = 4. Case Study =
1437 1437  
1438 1438  
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1687 1687  
1688 1688  RS485-LN sent below command:
1689 1689  
1690 -(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1697 +(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1691 1691  
1692 1692  
1693 1693  We can see the output from the Serial port tool to analyze. And check if they are expected result.
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1775 1775  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1776 1776  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1777 1777  
1785 +
1778 1778  = 9. Packing Info =
1779 1779  
1780 1780  
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1791 1791  * Package Size / pcs : 14.5 x 8 x 5 cm
1792 1792  * Weight / pcs : 170g
1793 1793  
1802 +
1794 1794  = 10. FCC Caution for RS485LN-US915 =
1795 1795  
1796 1796  

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