Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 102.17 >
edited by Xiaoling
on 2023/04/25 14:14
To version < 101.2 >
edited by Xiaoling
on 2023/04/18 10:24
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... ... @@ -287,48 +287,44 @@
287 287  
288 288  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:
289 289  
290 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
291 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
290 +
291 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
292 +|=(% style="width: 110px;" %)(((
292 292  **AT Commands**
293 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
294 +)))|=(% style="width: 210px;" %)(((
294 294  **Description**
295 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
296 +)))|=(% style="width: 190px;" %)(((
296 296  **Example**
297 297  )))
298 -|(% style="width:126px" %)(((
299 -
300 -
301 -(((
299 +|(% style="width:110px" %)(((
302 302  AT+BAUDR
303 -)))
304 -)))|(% style="width:177px" %)(((
301 +)))|(% style="width:190px" %)(((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 -)))|(% style="width:193px" %)(((
303 +)))|(% style="width:190px" %)(((
307 307  (((
308 308  AT+BAUDR=9600
309 309  )))
307 +
310 310  (((
311 -Options: (1200,2400,4800,
312 -14400,19200,115200)
309 +Options: (1200,2400,4800,14400,19200,115200)
313 313  )))
314 314  )))
315 -|(% style="width:126px" %)(((
312 +|(% style="width:110px" %)(((
316 316  AT+PARITY
317 -)))|(% style="width:177px" %)(((
314 +)))|(% style="width:190px" %)(((
318 318  Set UART parity (for RS485 connection)
319 -)))|(% style="width:193px" %)(((
316 +)))|(% style="width:190px" %)(((
320 320  (((
321 321  AT+PARITY=0
322 322  )))
320 +
323 323  (((
324 -Option: 0: no parity,
325 -1: odd parity,
326 -2: even parity
322 +Option: 0: no parity, 1: odd parity, 2: even parity
327 327  )))
328 328  )))
329 -|(% style="width:126px" %)(((
325 +|(% style="width:110px" %)(((
330 330  AT+STOPBIT
331 -)))|(% style="width:177px" %)(((
327 +)))|(% style="width:190px" %)(((
332 332  (((
333 333  Set serial stopbit (for RS485 connection)
334 334  )))
... ... @@ -336,28 +336,36 @@
336 336  (((
337 337  
338 338  )))
339 -)))|(% style="width:193px" %)(((
335 +)))|(% style="width:190px" %)(((
340 340  (((
341 341  AT+STOPBIT=0 for 1bit
342 342  )))
339 +
343 343  (((
344 344  AT+STOPBIT=1 for 1.5 bit
345 345  )))
343 +
346 346  (((
347 347  AT+STOPBIT=2 for 2 bits
348 348  )))
349 349  )))
350 350  
349 +
350 +
351 351  === 3.3.2 Configure sensors ===
352 352  
353 353  
354 354  (((
355 +(((
355 355  Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
357 +
358 +
356 356  )))
360 +)))
357 357  
358 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
359 -|=(% 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**
360 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
362 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
363 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
364 +|AT+CFGDEV|(% style="width:110px" %)(((
361 361  (((
362 362  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
363 363  )))
... ... @@ -371,6 +371,8 @@
371 371  )))
372 372  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
373 373  
378 +
379 +
374 374  === 3.3.3 Configure read commands for each sampling ===
375 375  
376 376  
... ... @@ -401,7 +401,7 @@
401 401  
402 402  (% 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:
403 403  
404 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
410 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
405 405  |(% style="width:496px" %)(((
406 406  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
407 407  
... ... @@ -417,7 +417,7 @@
417 417  
418 418  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
419 419  
420 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
426 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
421 421  |(% style="width:510px" %)(((
422 422  **AT+DATACUTx=a,b,c**
423 423  
... ... @@ -559,11 +559,11 @@
559 559  == 3.4 Uplink Payload ==
560 560  
561 561  
562 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
563 -|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
568 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
569 +|=(% scope="row" style="width: 60px;" %)(((
564 564  Size(bytes)
565 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
566 -**Length depends on the return from the commands**
571 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
572 +Length depends on the return from the commands
567 567  )))
568 568  |=(% style="width: 90px;" %)(((
569 569  Value
... ... @@ -1334,32 +1334,34 @@
1334 1334  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1335 1335  )))
1336 1336  
1343 +(((
1344 +
1345 +)))
1337 1337  
1338 -
1339 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1340 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1347 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1348 +|=(% style="width: 100px;" %)(((
1341 1341  **Command example**
1342 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1350 +)))|=(% style="width: 400px;" %)(((
1343 1343  **Function**
1344 1344  )))
1345 -|(% style="width:156px" %)(((
1353 +|(% style="width:100px" %)(((
1346 1346  AT+RXMODE=1,10
1347 -)))|(% style="width:352px" %)(((
1355 +)))|(% style="width:400px" %)(((
1348 1348  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.
1349 1349  )))
1350 -|(% style="width:156px" %)(((
1358 +|(% style="width:100px" %)(((
1351 1351  AT+RXMODE=2,500
1352 -)))|(% style="width:352px" %)(((
1360 +)))|(% style="width:400px" %)(((
1353 1353  Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1354 1354  )))
1355 -|(% style="width:156px" %)(((
1363 +|(% style="width:100px" %)(((
1356 1356  AT+RXMODE=0,0
1357 -)))|(% style="width:352px" %)(((
1365 +)))|(% style="width:400px" %)(((
1358 1358  Disable listening mode. This is the default settings.
1359 1359  )))
1360 -|(% style="width:156px" %)(((
1368 +|(% style="width:100px" %)(((
1361 1361  
1362 -)))|(% style="width:352px" %)(((
1370 +)))|(% style="width:400px" %)(((
1363 1363  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1364 1364  )))
1365 1365  
... ... @@ -1407,30 +1407,38 @@
1407 1407  (% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1408 1408  )))
1409 1409  
1418 +(((
1419 +
1420 +)))
1410 1410  
1411 -
1412 1412  (((
1423 +(((
1413 1413  (% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
1414 1414  )))
1426 +)))
1415 1415  
1416 1416  
1417 1417  == 3.7 Buttons ==
1418 1418  
1419 1419  
1420 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1421 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1422 -|(% style="width:50px" %)ACT|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1423 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1424 -|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1432 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1433 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1434 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1435 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1436 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1425 1425  
1438 +
1439 +
1426 1426  == 3.8 LEDs ==
1427 1427  
1428 1428  
1429 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1430 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1431 -|PWR|Always on if there is power
1432 -|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.
1443 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1444 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1445 +|**PWR**|Always on if there is power
1446 +|**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.
1433 1433  
1448 +
1449 +
1434 1434  = 4. Case Study =
1435 1435  
1436 1436  
... ... @@ -1685,7 +1685,7 @@
1685 1685  
1686 1686  RS485-LN sent below command:
1687 1687  
1688 -(% 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.
1704 +(% 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.
1689 1689  
1690 1690  
1691 1691  We can see the output from the Serial port tool to analyze. And check if they are expected result.
... ... @@ -1773,6 +1773,8 @@
1773 1773  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1774 1774  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1775 1775  
1792 +
1793 +
1776 1776  = 9. Packing Info =
1777 1777  
1778 1778  
... ... @@ -1789,6 +1789,8 @@
1789 1789  * Package Size / pcs : 14.5 x 8 x 5 cm
1790 1790  * Weight / pcs : 170g
1791 1791  
1810 +
1811 +
1792 1792  = 10. FCC Caution for RS485LN-US915 =
1793 1793  
1794 1794  

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