Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.11 >
edited by Xiaoling
on 2023/06/08 18:04
To version < 126.23 >
edited by Xiaoling
on 2023/06/19 16:40
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -211,8 +211,8 @@
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
214 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
215 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
216 216  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 217  (% style="text-align:center" %)
218 218  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -298,7 +298,6 @@
298 298  [[image:1653298023685-319.png]]
299 299  
300 300  
301 -
302 302  (((
303 303  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
304 304  
... ... @@ -333,7 +333,7 @@
333 333  (((
334 334  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
335 335  
336 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
335 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
337 337  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
338 338  |Value|(((
339 339  AVI1 voltage
... ... @@ -351,7 +351,7 @@
351 351  (((
352 352  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
353 353  
354 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
353 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
355 355  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
356 356  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
357 357  )))
... ... @@ -367,7 +367,7 @@
367 367  
368 368  **The value for the interface is:  **
369 369  
370 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
369 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
371 371  
372 372  AVI2 channel voltage is 0x04AC/1000=1.196V
373 373  
... ... @@ -407,7 +407,7 @@
407 407  (((
408 408  Total : 11 bytes payload
409 409  
410 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
409 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
411 411  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
412 412  |Value|COUNT1|COUNT2 |DIDORO*|(((
413 413  Reserve
... ... @@ -417,7 +417,7 @@
417 417  (((
418 418  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
419 419  
420 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
419 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
421 421  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
422 422  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
423 423  
... ... @@ -429,26 +429,22 @@
429 429  
430 430  (((
431 431  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
432 -)))
433 433  
434 -(((
435 435  
433 +)))
436 436  
435 +(((
437 437  **To use counting mode, please run:**
438 438  )))
439 439  
439 +(((
440 440  (% class="box infomessage" %)
441 441  (((
442 -(((
443 -(((
444 444  **AT+MOD=2**
445 -)))
446 446  
447 -(((
448 448  **ATZ**
449 449  )))
450 450  )))
451 -)))
452 452  
453 453  (((
454 454  
... ... @@ -478,7 +478,7 @@
478 478  
479 479  **LT22222-L**: This mode the DI1 is used as a counting pin.
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
476 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482 482  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
483 483  |Value|COUNT1|(((
484 484  ACI1 Current
... ... @@ -489,7 +489,7 @@
489 489  (((
490 490  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
491 491  
492 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
487 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
493 493  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
494 494  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
495 495  )))
... ... @@ -507,18 +507,14 @@
507 507  **To use counting mode, please run:**
508 508  )))
509 509  
505 +(((
510 510  (% class="box infomessage" %)
511 511  (((
512 -(((
513 -(((
514 514  **AT+MOD=3**
515 -)))
516 516  
517 -(((
518 518  **ATZ**
519 519  )))
520 520  )))
521 -)))
522 522  
523 523  (((
524 524  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -535,7 +535,7 @@
535 535  (((
536 536  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
537 537  
538 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
529 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
539 539  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
540 540  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
541 541  Reserve
... ... @@ -545,7 +545,7 @@
545 545  (((
546 546  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
547 547  
548 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
539 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
549 549  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
550 550  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
551 551  )))
... ... @@ -556,28 +556,23 @@
556 556  
557 557  (((
558 558  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
559 -)))
560 560  
561 -(((
562 562  
552 +)))
563 563  
554 +(((
564 564  **To use this mode, please run:**
565 565  )))
566 566  
558 +(((
567 567  (% class="box infomessage" %)
568 568  (((
569 -(((
570 -(((
571 571  **AT+MOD=4**
572 -)))
573 573  
574 -(((
575 575  **ATZ**
576 576  )))
577 577  )))
578 -)))
579 579  
580 -
581 581  (((
582 582  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
583 583  )))
... ... @@ -600,7 +600,7 @@
600 600  
601 601  **LT22222-L**: This mode the DI1 is used as a counting pin.
602 602  
603 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
589 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
604 604  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
605 605  |Value|(((
606 606  AVI1 voltage
... ... @@ -615,7 +615,7 @@
615 615  (((
616 616  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
617 617  
618 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
604 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
619 619  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
620 620  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
621 621  )))
... ... @@ -631,23 +631,17 @@
631 631  )))
632 632  
633 633  (((
634 -
635 -
636 636  **To use this mode, please run:**
637 637  )))
638 638  
623 +(((
639 639  (% class="box infomessage" %)
640 640  (((
641 -(((
642 -(((
643 643  **AT+MOD=5**
644 -)))
645 645  
646 -(((
647 647  **ATZ**
648 648  )))
649 649  )))
650 -)))
651 651  
652 652  (((
653 653  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -742,8 +742,8 @@
742 742  
743 743  MOD6 Payload : total 11 bytes payload
744 744  
745 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
746 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
725 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
726 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
747 747  |Value|(((
748 748  TRI_A FLAG
749 749  )))|(((
... ... @@ -756,7 +756,7 @@
756 756  
757 757  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
758 758  
759 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
739 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
760 760  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
761 761  |(((
762 762  AV1_LOW
... ... @@ -785,7 +785,7 @@
785 785  
786 786  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
787 787  
788 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
768 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
789 789  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
790 790  |(((
791 791  AV1_LOW
... ... @@ -814,7 +814,7 @@
814 814  
815 815  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
816 816  
817 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
797 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
818 818  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
819 819  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
820 820  
... ... @@ -913,7 +913,6 @@
913 913  
914 914  * (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
915 915  
916 -
917 917  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
918 918  
919 919  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
... ... @@ -1018,7 +1018,6 @@
1018 1018  
1019 1019  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1020 1020  
1021 -
1022 1022  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1023 1023  
1024 1024  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1032,7 +1032,6 @@
1032 1032  
1033 1033  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1034 1034  
1035 -
1036 1036  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1037 1037  
1038 1038  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1046,7 +1046,6 @@
1046 1046  
1047 1047  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
1048 1048  
1049 -
1050 1050  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1051 1051  
1052 1052  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
... ... @@ -1076,7 +1076,7 @@
1076 1076  (((
1077 1077  01: Low,  00: High ,  11: No action
1078 1078  
1079 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1055 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1080 1080  |(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1081 1081  |02  01  00  11|Low|High|No Action
1082 1082  |02  00  11  01|High|No Action|Low
... ... @@ -1278,7 +1278,6 @@
1278 1278  
1279 1279  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1280 1280  
1281 -
1282 1282  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1283 1283  
1284 1284  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1306,9 +1306,8 @@
1306 1306  
1307 1307  Clear counting for counting mode
1308 1308  
1309 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT  **(%%) ~/~/ clear all counting
1284 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1310 1310  
1311 -
1312 1312  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1313 1313  
1314 1314  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1467,7 +1467,6 @@
1467 1467  [[image:1653356838789-523.png||height="337" width="740"]]
1468 1468  
1469 1469  
1470 -
1471 1471  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1472 1472  
1473 1473  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1499,12 +1499,12 @@
1499 1499  
1500 1500  
1501 1501  (((
1502 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1475 +The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1503 1503  )))
1504 1504  
1505 1505  (((
1506 1506  (((
1507 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1480 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1508 1508  
1509 1509  
1510 1510  )))
... ... @@ -1612,6 +1612,15 @@
1612 1612  )))
1613 1613  
1614 1614  
1588 +(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1589 +
1590 +From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1591 +
1592 +To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1593 +
1594 +[[image:image-20230616235145-1.png]]
1595 +
1596 +
1615 1615  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1616 1616  
1617 1617  
... ... @@ -2054,8 +2054,6 @@
2054 2054  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2055 2055  
2056 2056  **4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
2057 -
2058 -
2059 2059  )))
2060 2060  
2061 2061  (((
... ... @@ -2062,9 +2062,6 @@
2062 2062  [[image:1653359097980-169.png||height="188" width="729"]]
2063 2063  )))
2064 2064  
2065 -(((
2066 -
2067 -)))
2068 2068  
2069 2069  === 4.2.3 Change to Class A ===
2070 2070  
... ... @@ -2072,8 +2072,9 @@
2072 2072  (((
2073 2073  (% style="color:blue" %)**If sensor JOINED:**
2074 2074  
2075 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2076 -ATZ**
2052 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2053 +
2054 +(% style="background-color:#dcdcdc" %)**ATZ**
2077 2077  )))
2078 2078  
2079 2079  
... ... @@ -2103,7 +2103,7 @@
2103 2103  
2104 2104  (((
2105 2105  (% style="color:blue" %)**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]].
2106 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2084 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2107 2107  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2108 2108  
2109 2109  
... ... @@ -2190,13 +2190,21 @@
2190 2190  
2191 2191  (((
2192 2192  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2171 +
2193 2193  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2173 +
2194 2194  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2175 +
2195 2195  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2177 +
2196 2196  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2179 +
2197 2197  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2181 +
2198 2198  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2183 +
2199 2199  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2185 +
2200 2200  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2201 2201  )))
2202 2202  
... ... @@ -2355,5 +2355,4 @@
2355 2355  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2356 2356  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2357 2357  
2358 -
2359 2359  
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