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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.38
edited by Xiaoling
on 2022/06/06 11:20
Change comment: There is no comment for this version
To version 41.40
edited by Xiaoling
on 2022/06/06 11:20
Change comment: There is no comment for this version

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1362 1362  
1363 1363  ==== **Clear RS485 Command** ====
1364 1364  
1365 +(((
1365 1365  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1367 +)))
1366 1366  
1369 +(((
1370 +
1371 +)))
1367 1367  
1368 -* **AT Command:**
1373 +* (((
1374 +**AT Command:**
1375 +)))
1369 1369  
1370 1370  (((
1371 1371  (% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1372 1372  )))
1373 1373  
1381 +(((
1374 1374  Example screen shot after clear all RS485 commands. 
1383 +)))
1375 1375  
1385 +(((
1386 +
1387 +)))
1376 1376  
1389 +(((
1377 1377  The uplink screen shot is:
1391 +)))
1378 1378  
1393 +(((
1379 1379  [[image:1654134704555-320.png]]
1395 +)))
1380 1380  
1397 +(((
1398 +
1399 +)))
1381 1381  
1382 -* **Downlink Payload:**
1401 +* (((
1402 +**Downlink Payload:**
1403 +)))
1383 1383  
1405 +(((
1384 1384  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1407 +)))
1385 1385  
1386 1386  
1387 1387  
... ... @@ -1388,44 +1388,77 @@
1388 1388  
1389 1389  ==== **Set Serial Communication Parameters** ====
1390 1390  
1414 +(((
1391 1391  Set the Rs485 serial communication parameters:
1416 +)))
1392 1392  
1393 -* **AT Command:**
1418 +* (((
1419 +**AT Command:**
1420 +)))
1394 1394  
1422 +(((
1395 1395  Set Baud Rate:
1424 +)))
1396 1396  
1397 1397  (% class="box infomessage" %)
1398 1398  (((
1428 +(((
1399 1399  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1400 1400  )))
1431 +)))
1401 1401  
1433 +(((
1402 1402  Set UART Parity
1435 +)))
1403 1403  
1404 1404  (% class="box infomessage" %)
1405 1405  (((
1439 +(((
1406 1406  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1407 1407  )))
1442 +)))
1408 1408  
1444 +(((
1409 1409  Set STOPBIT
1446 +)))
1410 1410  
1411 1411  (% class="box infomessage" %)
1412 1412  (((
1450 +(((
1413 1413  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1414 1414  )))
1453 +)))
1415 1415  
1455 +(((
1456 +
1457 +)))
1416 1416  
1417 -* **Downlink Payload:**
1459 +* (((
1460 +**Downlink Payload:**
1461 +)))
1418 1418  
1463 +(((
1419 1419  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1465 +)))
1420 1420  
1467 +(((
1421 1421  **Example:**
1469 +)))
1422 1422  
1423 -* A7 01 00 60   same as AT+BAUDR=9600
1424 -* A7 01 04 80  same as AT+BAUDR=115200
1471 +* (((
1472 +A7 01 00 60   same as AT+BAUDR=9600
1473 +)))
1474 +* (((
1475 +A7 01 04 80  same as AT+BAUDR=115200
1476 +)))
1425 1425  
1478 +(((
1426 1426  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1480 +)))
1427 1427  
1482 +(((
1428 1428  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1484 +)))
1429 1429  
1430 1430  
1431 1431