Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.26 >
edited by Xiaoling
on 2022/05/24 14:04
To version < 66.23 >
edited by Xiaoling
on 2022/05/24 13:57
>
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... ... @@ -417,31 +417,21 @@
417 417  * FIRST: Indicate this is the first packet after join network.
418 418  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
419 419  
420 -(((
421 421  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
422 -)))
423 423  
424 -(((
425 425  **To use counting mode, please run:**
426 -)))
427 427  
428 428  (% class="box infomessage" %)
429 429  (((
430 -(((
431 431  **AT+MOD=3**
432 432  )))
433 -)))
434 434  
435 435  (% class="box infomessage" %)
436 436  (((
437 -(((
438 438  **ATZ**
439 439  )))
440 -)))
441 441  
442 -(((
443 443  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
444 -)))
445 445  
446 446  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
447 447  
... ... @@ -461,67 +461,44 @@
461 461  * FIRST: Indicate this is the first packet after join network.
462 462  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
463 463  
464 -(((
465 465  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 -)))
467 467  
468 -(((
469 469  **To use this mode, please run:**
470 -)))
471 471  
472 472  (% class="box infomessage" %)
473 473  (((
474 -(((
475 475  **AT+MOD=4**
476 476  )))
477 -)))
478 478  
479 479  (% class="box infomessage" %)
480 480  (((
481 -(((
482 482  **ATZ**
483 483  )))
484 -)))
485 485  
486 -(((
487 -
488 -)))
489 489  
490 -(((
491 491  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
492 -)))
493 493  
494 -(((
495 495  **Plus below command for AVI1 Counting:**
496 -)))
497 497  
498 498  (% class="box infomessage" %)
499 499  (((
500 -(((
501 501  **AT+SETCNT=3,60   (set AVI Count to 60)**
502 502  )))
503 -)))
504 504  
505 505  (% class="box infomessage" %)
506 506  (((
507 -(((
508 508  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
509 509  )))
510 -)))
511 511  
512 512  (% class="box infomessage" %)
513 513  (((
514 -(((
515 515  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
516 516  )))
517 -)))
518 518  
519 519  (% class="box infomessage" %)
520 520  (((
521 -(((
522 522  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
523 523  )))
524 -)))
525 525  
526 526  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
527 527  
... ... @@ -535,35 +535,23 @@
535 535  
536 536  * RO is for relay. ROx=1 : close，ROx=0 always open.
537 537  * FIRST: Indicate this is the first packet after join network.
538 -* (((
539 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
540 -)))
505 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
541 541  
542 -(((
543 543  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
544 -)))
545 545  
546 -(((
547 547  **To use this mode, please run:**
548 -)))
549 549  
550 550  (% class="box infomessage" %)
551 551  (((
552 -(((
553 553  **AT+MOD=5**
554 554  )))
555 -)))
556 556  
557 557  (% class="box infomessage" %)
558 558  (((
559 -(((
560 560  **ATZ**
561 561  )))
562 -)))
563 563  
564 -(((
565 565  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
566 -)))
567 567  
568 568  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
569 569  
... ... @@ -971,10 +971,8 @@
971 971  
972 972  (% class="box infomessage" %)
973 973  (((
974 -(((
975 975  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
976 976  )))
977 -)))
978 978  
979 979  This is to control the digital output time of DO pin. Include four bytes:
980 980  
... ... @@ -1191,6 +1191,7 @@
1191 1191  
1192 1192  [[image:image-20220524094641-11.png||height="390" width="723"]]
1193 1193  
1147 +
1194 1194  [[image:image-20220524094641-12.png||height="402" width="718"]]
1195 1195  
1196 1196  **Step 3**: Create an account or log in Mydevices.
... ... @@ -1249,7 +1249,7 @@
1249 1249  
1250 1250  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1251 1251  
1252 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1206 + //IF// = DI1+ / 1K.
1253 1253  
1254 1254  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1255 1255  
... ... @@ -1263,9 +1263,9 @@
1263 1263  
1264 1264  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1265 1265  
1266 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1220 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1267 1267  
1268 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1222 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1269 1269  
1270 1270  
1271 1271  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1277,7 +1277,7 @@
1277 1277  
1278 1278  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1279 1279  
1280 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1234 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1281 1281  
1282 1282  If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1283 1283  
... ... @@ -1336,9 +1336,7 @@
1336 1336  
1337 1337  [[image:1653358238933-385.png]]
1338 1338  
1339 -(((
1340 1340  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1341 -)))
1342 1342  
1343 1343  [[image:1653358355238-883.png]]
1344 1344  
... ... @@ -1660,13 +1660,11 @@
1660 1660  Below shows the hardware connection for how to upload an image to the LT:
1661 1661  * [[image:1653359603330-121.png]]
1662 1662  
1663 -(((
1664 1664  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1665 1665  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1666 1666  **Step3: **Open flashloader; choose the correct COM port to update.
1667 1667  **For LT-22222-L**:
1668 1668  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1669 -)))
1670 1670  
1671 1671   [[image:image-20220524103407-12.png]]
1672 1672  
... ... @@ -1712,15 +1712,10 @@
1712 1712  [[image:1653360231087-571.png||height="401" width="727"]]
1713 1713  )))
1714 1714  
1715 -(((
1716 1716  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1717 -)))
1718 1718  
1719 -(((
1720 1720  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1721 -)))
1722 1722  
1723 -(((
1724 1724  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1725 1725  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1726 1726  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1731,11 +1731,8 @@
1731 1731  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1732 1732  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1733 1733  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1734 -)))
1735 1735  
1736 -(((
1737 1737  As shown in below:
1738 -)))
1739 1739  
1740 1740  [[image:1653360498588-932.png||height="485" width="726"]]
1741 1741  

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