Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 90.6 >
edited by Xiaoling
on 2022/08/18 12:00
To version < 109.2 >
edited by Xiaoling
on 2022/11/21 11:37
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,13 +15,16 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
21 21  
22 22  
24 +(((
23 23  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
24 24  )))
27 +)))
25 25  
26 26  (((
27 27  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -36,7 +36,7 @@
36 36  )))
37 37  
38 38  (((
39 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 40  )))
41 41  
42 42  (((
... ... @@ -57,11 +57,11 @@
57 57  (((
58 58  
59 59  
60 -**Hardware System:**
63 +(% style="color:#037691" %)**Hardware System:**
61 61  )))
62 62  
63 63  * (((
64 -STM32L072CZT6 MCU
67 +STM32L072xxxx MCU
65 65  )))
66 66  * (((
67 67  SX1276/78 Wireless Chip 
... ... @@ -82,7 +82,7 @@
82 82  (((
83 83  
84 84  
85 -**Interface for Model: LT22222-L:**
88 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
86 86  )))
87 87  
88 88  * (((
... ... @@ -107,7 +107,7 @@
107 107  (((
108 108  
109 109  
110 -**LoRa Spec:**
113 +(% style="color:#037691" %)**LoRa Spec:**
111 111  )))
112 112  
113 113  * (((
... ... @@ -177,7 +177,7 @@
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 179  * Optional Customized LoRa Protocol
180 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
183 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
181 181  * AT Commands to change parameters
182 182  * Remote configure parameters via LoRa Downlink
183 183  * Firmware upgradable via program port
... ... @@ -212,19 +212,23 @@
212 212  )))
213 213  
214 214  
218 +
215 215  = 2. Power ON Device =
216 216  
217 217  
222 +(((
218 218  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
224 +)))
219 219  
220 220  (((
221 221  PWR will on when device is properly powered.
228 +
229 +
222 222  )))
223 223  
224 224  [[image:1653297104069-180.png]]
225 225  
226 226  
227 -
228 228  = 3. Operation Mode =
229 229  
230 230  == 3.1 How it works? ==
... ... @@ -239,7 +239,6 @@
239 239  )))
240 240  
241 241  
242 -
243 243  == 3.2 Example to join LoRaWAN network ==
244 244  
245 245  
... ... @@ -271,12 +271,12 @@
271 271  
272 272  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
273 273  
274 -Add APP EUI in the application.
280 +**Add APP EUI in the application.**
275 275  
276 276  [[image:1653297955910-247.png||height="321" width="716"]]
277 277  
278 278  
279 -Add APP KEY and DEV EUI
285 +**Add APP KEY and DEV EUI**
280 280  
281 281  [[image:1653298023685-319.png]]
282 282  
... ... @@ -284,6 +284,8 @@
284 284  
285 285  (((
286 286  (% 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.
293 +
294 +
287 287  )))
288 288  
289 289  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -307,7 +307,9 @@
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 309  
318 +(((
310 310  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
320 +)))
311 311  
312 312  [[image:image-20220523174024-3.png]]
313 313  
... ... @@ -323,7 +323,7 @@
323 323  * DI is for digital input. DIx=1: high or float, DIx=0: low.
324 324  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
325 325  
326 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
336 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
327 327  
328 328  For example if payload is: [[image:image-20220523175847-2.png]]
329 329  
... ... @@ -363,7 +363,9 @@
363 363  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
364 364  
365 365  
376 +(((
366 366  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
378 +)))
367 367  
368 368  (((
369 369  Total : 11 bytes payload
... ... @@ -383,7 +383,7 @@
383 383  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
384 384  
385 385  (((
386 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
398 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
387 387  )))
388 388  
389 389  (((
... ... @@ -395,16 +395,22 @@
395 395  (% class="box infomessage" %)
396 396  (((
397 397  (((
410 +(((
398 398  **AT+MOD=2**
412 +)))
399 399  
414 +(((
400 400  **ATZ**
401 401  )))
402 402  )))
418 +)))
403 403  
404 404  (((
405 405  
406 406  
407 407  (% style="color:#4f81bd" %)**AT Commands for counting:**
424 +
425 +
408 408  )))
409 409  
410 410  (((
... ... @@ -425,7 +425,6 @@
425 425  )))
426 426  
427 427  
428 -
429 429  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
430 430  
431 431  
... ... @@ -446,7 +446,7 @@
446 446  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
447 447  
448 448  (((
449 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
450 450  )))
451 451  
452 452  
... ... @@ -457,11 +457,15 @@
457 457  (% class="box infomessage" %)
458 458  (((
459 459  (((
477 +(((
460 460  **AT+MOD=3**
479 +)))
461 461  
481 +(((
462 462  **ATZ**
463 463  )))
464 464  )))
485 +)))
465 465  
466 466  (((
467 467  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -468,13 +468,16 @@
468 468  )))
469 469  
470 470  
471 -
472 472  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
473 473  
474 474  
495 +(((
475 475  **LT22222-L**: This mode the DI1 is used as a counting pin.
497 +)))
476 476  
499 +(((
477 477  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.
501 +)))
478 478  
479 479  [[image:image-20220523181903-8.png]]
480 480  
... ... @@ -490,7 +490,7 @@
490 490  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 491  
492 492  (((
493 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
517 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
494 494  )))
495 495  
496 496  (((
... ... @@ -502,14 +502,17 @@
502 502  (% class="box infomessage" %)
503 503  (((
504 504  (((
529 +(((
505 505  **AT+MOD=4**
531 +)))
506 506  
533 +(((
507 507  **ATZ**
508 508  )))
509 509  )))
537 +)))
510 510  
511 511  
512 -
513 513  (((
514 514  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
515 515  )))
... ... @@ -530,7 +530,6 @@
530 530  )))
531 531  
532 532  
533 -
534 534  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
535 535  
536 536  
... ... @@ -551,7 +551,7 @@
551 551  )))
552 552  
553 553  (((
554 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
580 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
555 555  )))
556 556  
557 557  (((
... ... @@ -563,11 +563,15 @@
563 563  (% class="box infomessage" %)
564 564  (((
565 565  (((
592 +(((
566 566  **AT+MOD=5**
594 +)))
567 567  
596 +(((
568 568  **ATZ**
569 569  )))
570 570  )))
600 +)))
571 571  
572 572  (((
573 573  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -574,7 +574,6 @@
574 574  )))
575 575  
576 576  
577 -
578 578  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
579 579  
580 580  
... ... @@ -597,6 +597,7 @@
597 597  
598 598  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
599 599  
629 +
600 600  **Example:**
601 601  
602 602  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -609,6 +609,7 @@
609 609  
610 610  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
611 611  
642 +
612 612  **Example:**
613 613  
614 614  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -627,6 +627,7 @@
627 627  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
628 628  
629 629  
661 +
630 630  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
631 631  
632 632  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -675,6 +675,7 @@
675 675  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
676 676  
677 677  
710 +
678 678  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
679 679  
680 680  [[image:image-20220524090249-3.png]]
... ... @@ -686,6 +686,7 @@
686 686  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
687 687  
688 688  
722 +
689 689  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
690 690  
691 691  [[image:image-20220524090456-4.png]]
... ... @@ -699,6 +699,7 @@
699 699  00000101: Means both DI1 and DI2 trigger are enabled.
700 700  
701 701  
736 +
702 702  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
703 703  
704 704  Downlink command to poll MOD6 status:
... ... @@ -708,43 +708,44 @@
708 708  When device got this command, it will send the MOD6 payload.
709 709  
710 710  
711 -
712 712  === 3.3.7 Payload Decoder ===
713 713  
714 714  (((
715 715  
716 716  
717 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
751 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
718 718  )))
719 719  
720 720  
721 -
722 722  == 3.4 ​Configure LT via AT or Downlink ==
723 723  
724 724  
758 +(((
725 725  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
760 +)))
726 726  
727 727  (((
763 +(((
728 728  There are two kinds of Commands:
729 729  )))
766 +)))
730 730  
731 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
768 +* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
732 732  
733 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
770 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
734 734  
735 735  
736 736  
737 -
738 738  === 3.4.1 Common Commands ===
739 739  
740 740  
777 +(((
741 741  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
779 +)))
742 742  
743 743  
744 -
745 745  === 3.4.2 Sensor related commands ===
746 746  
747 -
748 748  ==== 3.4.2.1 Set Transmit Interval ====
749 749  
750 750  
... ... @@ -752,7 +752,7 @@
752 752  
753 753  * (% style="color:#037691" %)**AT Command:**
754 754  
755 -**AT+TDC=N **
791 +(% style="color:blue" %)**AT+TDC=N **
756 756  
757 757  
758 758  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -760,11 +760,10 @@
760 760  
761 761  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
762 762  
763 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
799 +(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
764 764  
765 765  
766 766  
767 -
768 768  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
769 769  
770 770  
... ... @@ -772,7 +772,7 @@
772 772  
773 773  * (% style="color:#037691" %)**AT Command:**
774 774  
775 -**AT+MOD=N  **
810 +(% style="color:blue" %)**AT+MOD=N  **
776 776  
777 777  
778 778  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -780,11 +780,10 @@
780 780  
781 781  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
782 782  
783 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
818 +(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
784 784  
785 785  
786 786  
787 -
788 788  ==== 3.4.2.3 Poll an uplink ====
789 789  
790 790  
... ... @@ -795,13 +795,13 @@
795 795  
796 796  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
797 797  
798 -**0x08 FF     **~/~/ Poll an uplink
832 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
799 799  
834 +
800 800  **Example**: 0x08FF, ask device to send an Uplink
801 801  
802 802  
803 803  
804 -
805 805  ==== 3.4.2.4 Enable Trigger Mode ====
806 806  
807 807  
... ... @@ -809,16 +809,16 @@
809 809  
810 810  * (% style="color:#037691" %)**AT Command:**
811 811  
812 -**AT+ADDMOD6=1 or 0**
846 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
813 813  
814 -1: Enable Trigger Mode
848 +(% style="color:red" %)**1:** (%%)Enable Trigger Mode
815 815  
816 -0: Disable Trigger Mode
850 +(% style="color:red" %)**0: **(%%)Disable Trigger Mode
817 817  
818 818  
819 819  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
820 820  
821 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
855 +(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
822 822  
823 823  
824 824  
... ... @@ -835,11 +835,10 @@
835 835  
836 836  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
837 837  
838 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
872 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
839 839  
840 840  
841 841  
842 -
843 843  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
844 844  
845 845  
... ... @@ -847,7 +847,7 @@
847 847  
848 848  * (% style="color:#037691" %)**AT Command:**
849 849  
850 -**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
883 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
851 851  
852 852  
853 853  **Example:**
... ... @@ -856,11 +856,10 @@
856 856  
857 857  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
858 858  
859 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
892 +(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
860 860  
861 861  
862 862  
863 -
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
866 866  
... ... @@ -868,11 +868,11 @@
868 868  
869 869  * (% style="color:#037691" %)**AT Command:**
870 870  
871 -**AT+TRIG1=a,b**
903 +(% style="color:blue" %)**AT+TRIG1=a,b**
872 872  
873 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
905 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
874 874  
875 -b : delay timing.
907 +(% style="color:red" %)**b :** (%%)delay timing.
876 876  
877 877  
878 878  **Example:**
... ... @@ -881,10 +881,11 @@
881 881  
882 882  
883 883  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
884 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
885 885  
917 +(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
886 886  
887 887  
920 +
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
890 890  
... ... @@ -892,14 +892,13 @@
892 892  
893 893  * (% style="color:#037691" %)**AT Command:**
894 894  
895 -**AT+TRIG2=a,b**
928 +(% style="color:blue" %)**AT+TRIG2=a,b**
896 896  
930 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
897 897  
898 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
932 +(% style="color:red" %)**b :** (%%)delay timing.
899 899  
900 -b : delay timing.
901 901  
902 -
903 903  **Example:**
904 904  
905 905  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -907,11 +907,10 @@
907 907  
908 908  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
909 909  
910 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
942 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
911 911  
912 912  
913 913  
914 -
915 915  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
916 916  
917 917  
... ... @@ -919,16 +919,15 @@
919 919  
920 920  * (% style="color:#037691" %)**AT Command**
921 921  
922 -**AT+ACLIM**
953 +(% style="color:blue" %)**AT+ACLIM**
923 923  
924 924  
925 925  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
926 926  
927 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
958 +(% 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"]]
928 928  
929 929  
930 930  
931 -
932 932  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
933 933  
934 934  
... ... @@ -936,16 +936,15 @@
936 936  
937 937  * (% style="color:#037691" %)**AT Command**
938 938  
939 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
969 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
940 940  
941 941  
942 942  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
943 943  
944 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
974 +(% 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"]]
945 945  
946 946  
947 947  
948 -
949 949  ==== 3.4.2.11 Trigger – Set minimum interval ====
950 950  
951 951  
... ... @@ -953,22 +953,21 @@
953 953  
954 954  * (% style="color:#037691" %)**AT Command**
955 955  
956 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
985 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
957 957  
958 958  
959 959  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
960 960  
961 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
990 +(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
962 962  
963 963  (((
964 964  
965 965  
966 -(% style="color:red" %)Note: ATDC setting must be more than 5min
995 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
967 967  )))
968 968  
969 969  
970 970  
971 -
972 972  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
973 973  
974 974  
... ... @@ -978,7 +978,7 @@
978 978  
979 979  
980 980  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
981 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1009 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
982 982  
983 983  (((
984 984  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -991,16 +991,15 @@
991 991  [[image:image-20220524092754-5.png]]
992 992  
993 993  (((
994 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1022 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
995 995  )))
996 996  
997 997  (((
998 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1026 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
999 999  )))
1000 1000  
1001 1001  
1002 1002  
1003 -
1004 1004  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1005 1005  
1006 1006  
... ... @@ -1011,7 +1011,7 @@
1011 1011  
1012 1012  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1013 1013  
1014 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1041 +(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1015 1015  
1016 1016  
1017 1017  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1040,13 +1040,20 @@
1040 1040  [[image:image-20220524093351-8.png]]
1041 1041  
1042 1042  
1043 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1070 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1044 1044  
1045 1045   Latching time. Unit: ms
1046 1046  
1047 -Device will upload a packet if downlink code executes successfully.
1074 +Note:
1048 1048  
1076 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1049 1049  
1078 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1079 +
1080 +
1081 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1082 +
1083 +
1050 1050  **Example payload:**
1051 1051  
1052 1052  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1067,7 +1067,6 @@
1067 1067  
1068 1068  
1069 1069  
1070 -
1071 1071  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1072 1072  
1073 1073  
... ... @@ -1078,7 +1078,7 @@
1078 1078  
1079 1079  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1080 1080  
1081 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1114 +(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1082 1082  
1083 1083  
1084 1084  (((
... ... @@ -1093,7 +1093,7 @@
1093 1093  [[image:image-20220524093724-9.png]]
1094 1094  )))
1095 1095  
1096 -Device will upload a packet if downlink code executes successfully.
1129 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1097 1097  
1098 1098  
1099 1099  
... ... @@ -1108,7 +1108,7 @@
1108 1108  
1109 1109  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1110 1110  
1111 -**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1144 +(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1112 1112  
1113 1113  
1114 1114  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1124,14 +1124,21 @@
1124 1124  
1125 1125  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1126 1126  
1127 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1160 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1128 1128  
1129 1129  
1130 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1163 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1131 1131  
1132 -Device will upload a packet if downlink code executes successfully.
1165 +Note:
1133 1133  
1167 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1134 1134  
1169 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1170 +
1171 +
1172 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1173 +
1174 +
1135 1135  **Example payload:**
1136 1136  
1137 1137  **~1. 05 01 11 07 D**
... ... @@ -1152,7 +1152,6 @@
1152 1152  
1153 1153  
1154 1154  
1155 -
1156 1156  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1157 1157  
1158 1158  
... ... @@ -1160,39 +1160,33 @@
1160 1160  
1161 1161  * (% style="color:#037691" %)**AT Command:**
1162 1162  
1163 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1202 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1164 1164  
1165 1165  
1166 1166  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1167 1167  
1168 -**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1207 +(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1169 1169  
1170 1170  
1171 1171  
1172 -
1173 1173  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1174 1174  
1175 1175  
1176 1176  * (% style="color:#037691" %)**AT Command:**
1177 1177  
1178 -**AT+SETCNT=aa,(bb cc dd ee) **
1216 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1179 1179  
1180 -aa: 1: Set count1,
1218 +(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1181 1181  
1182 -2: Set count2,
1220 +(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1183 1183  
1184 -3: Set AV1 count
1185 1185  
1186 -Bb cc dd ee: number to be set
1187 -
1188 -
1189 1189  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1190 1190  
1191 -**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1225 +(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1192 1192  
1193 1193  
1194 1194  
1195 -
1196 1196  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1197 1197  
1198 1198  
... ... @@ -1200,36 +1200,138 @@
1200 1200  
1201 1201  * (% style="color:#037691" %)**AT Command:**
1202 1202  
1203 -**AT+CLRCOUNT ** ~/~/ clear all counting
1236 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1204 1204  
1205 1205  
1206 1206  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1207 1207  
1208 -**0x A6 01    ** ~/~/ clear all counting
1241 +(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1209 1209  
1210 1210  
1211 1211  
1212 -
1213 1213  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1214 1214  
1215 1215  
1216 1216  * (% style="color:#037691" %)**AT Command:**
1217 1217  
1218 -**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1250 +(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1219 1219  
1220 1220  
1221 1221  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1222 1222  
1223 -**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1255 +(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1224 1224  
1225 1225  (((
1226 1226  range: aa bb cc:0 to 16777215,  (unit:second)
1259 +)))
1227 1227  
1261 +
1262 +
1263 +==== 3.4.2.20 Reset save RO DO state ====
1264 +
1265 +
1266 +* (% style="color:#037691" %)**AT Command:**
1267 +
1268 +(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1269 +
1270 +(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1271 +
1272 +
1273 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1274 +
1275 +(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1276 +
1277 +
1278 +
1279 +==== 3.4.2.21 Encrypted payload ====
1280 +
1281 +
1282 +* (% style="color:#037691" %)**AT Command:**
1283 +
1284 +(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1285 +
1286 +(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1287 +
1288 +
1289 +
1290 +==== 3.4.2.22 Get sensor value ====
1291 +
1292 +
1293 +* (% style="color:#037691" %)**AT Command:**
1294 +
1295 +(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1296 +
1297 +(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1298 +
1299 +
1300 +
1301 +==== 3.4.2.23 Resets the downlink packet count ====
1302 +
1303 +
1304 +* (% style="color:#037691" %)**AT Command:**
1305 +
1306 +(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1307 +
1308 +(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1309 +
1310 +
1311 +
1312 +
1313 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1314 +
1315 +
1316 +* (% style="color:#037691" %)**AT Command:**
1317 +
1318 +(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1319 +
1320 +(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1321 +
1322 +
1323 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1324 +
1325 +(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1326 +
1327 +
1328 +
1329 +
1330 +==== 3.4.2.25 Copy downlink to uplink ====
1331 +
1332 +
1333 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1334 +
1335 +(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1336 +
1337 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1338 +
1339 +
1340 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1341 +
1342 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1343 +
1344 +
1345 +
1346 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1347 +
1348 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1349 +
1350 +
1351 +
1352 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1353 +
1354 +
1355 +* (((
1356 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1357 +
1358 +(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1359 +
1228 1228  
1229 1229  )))
1230 1230  
1363 +**Example：**
1231 1231  
1365 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1232 1232  
1367 +
1233 1233  == 3.5 Integrate with Mydevice ==
1234 1234  
1235 1235  
... ... @@ -1279,10 +1279,8 @@
1279 1279  [[image:image-20220524094909-5.png||height="341" width="734"]]
1280 1280  
1281 1281  
1282 -
1283 1283  == 3.6 Interface Detail ==
1284 1284  
1285 -
1286 1286  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1287 1287  
1288 1288  
... ... @@ -1291,7 +1291,6 @@
1291 1291  [[image:1653356991268-289.png]]
1292 1292  
1293 1293  
1294 -
1295 1295  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1296 1296  
1297 1297  
... ... @@ -1328,10 +1328,10 @@
1328 1328  )))
1329 1329  
1330 1330  * (((
1331 -Connect sensor’s output to DI1-
1463 +Connect sensor's output to DI1-
1332 1332  )))
1333 1333  * (((
1334 -Connect sensor’s VCC to DI1+.
1466 +Connect sensor's VCC to DI1+.
1335 1335  )))
1336 1336  
1337 1337  (((
... ... @@ -1339,11 +1339,11 @@
1339 1339  )))
1340 1340  
1341 1341  (((
1342 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1474 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1343 1343  )))
1344 1344  
1345 1345  (((
1346 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1478 +If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1347 1347  )))
1348 1348  
1349 1349  (((
... ... @@ -1361,10 +1361,10 @@
1361 1361  )))
1362 1362  
1363 1363  * (((
1364 -Connect sensor’s output to DI1+
1496 +Connect sensor's output to DI1+
1365 1365  )))
1366 1366  * (((
1367 -Connect sensor’s GND DI1-.
1499 +Connect sensor's GND DI1-.
1368 1368  )))
1369 1369  
1370 1370  (((
... ... @@ -1394,10 +1394,10 @@
1394 1394  )))
1395 1395  
1396 1396  * (((
1397 -Connect sensor’s output to DI1+ with a serial 50K resistor
1529 +Connect sensor's output to DI1+ with a serial 50K resistor
1398 1398  )))
1399 1399  * (((
1400 -Connect sensor’s GND DI1-.
1532 +Connect sensor's GND DI1-.
1401 1401  )))
1402 1402  
1403 1403  (((
... ... @@ -1413,16 +1413,16 @@
1413 1413  )))
1414 1414  
1415 1415  
1416 -
1417 1417  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1418 1418  
1419 1419  
1420 -NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1551 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1421 1421  
1553 +Note: DO pins go to float when device is power off.
1554 +
1422 1422  [[image:1653357531600-905.png]]
1423 1423  
1424 1424  
1425 -
1426 1426  === 3.6.4 Analog Input Interface ===
1427 1427  
1428 1428  
... ... @@ -1438,13 +1438,13 @@
1438 1438  We take the wind speed sensor as an example for reference only.
1439 1439  
1440 1440  
1441 -**Specifications of the wind speed sensor:**
1573 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1442 1442  
1443 -Red:  12~~24v
1575 +**Red:  12~~24v**
1444 1444  
1445 -Yellow:  4~~20mA
1577 +**Yellow:  4~~20mA**
1446 1446  
1447 -Black:  GND
1579 +**Black:  GND**
1448 1448  
1449 1449  
1450 1450  **Connection diagram:**
... ... @@ -1454,20 +1454,21 @@
1454 1454  [[image:1653357648330-671.png||height="155" width="733"]]
1455 1455  
1456 1456  
1457 -
1458 1458  === 3.6.5 Relay Output ===
1459 1459  
1460 1460  
1461 1461  (((
1462 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1593 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1594 +
1595 +**Note**: RO pins go to Open(NO) when device is power off.
1463 1463  )))
1464 1464  
1465 1465  [[image:image-20220524100215-9.png]]
1466 1466  
1600 +
1467 1467  [[image:image-20220524100215-10.png||height="382" width="723"]]
1468 1468  
1469 1469  
1470 -
1471 1471  == 3.7 LEDs Indicators ==
1472 1472  
1473 1473  
... ... @@ -1477,12 +1477,17 @@
1477 1477  
1478 1478  = 4. Use AT Command =
1479 1479  
1480 -
1481 1481  == 4.1 Access AT Command ==
1482 1482  
1483 1483  
1616 +(((
1484 1484  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1618 +)))
1485 1485  
1620 +(((
1621 +
1622 +)))
1623 +
1486 1486  [[image:1653358238933-385.png]]
1487 1487  
1488 1488  
... ... @@ -1510,7 +1510,7 @@
1510 1510  )))
1511 1511  
1512 1512  (((
1513 -AT+<CMD>=?       : Get the value
1651 +AT+<CMD>=?       :  Get the value
1514 1514  )))
1515 1515  
1516 1516  (((
... ... @@ -1538,11 +1538,11 @@
1538 1538  )))
1539 1539  
1540 1540  (((
1541 -AT+APPSKEY: Get or Set the Application Session Key
1679 +AT+APPSKEY:  Get or Set the Application Session Key
1542 1542  )))
1543 1543  
1544 1544  (((
1545 -AT+APPEUI: Get or Set the Application EUI
1683 +AT+APPEUI:  Get or Set the Application EUI
1546 1546  )))
1547 1547  
1548 1548  (((
... ... @@ -1554,7 +1554,7 @@
1554 1554  )))
1555 1555  
1556 1556  (((
1557 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1695 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1558 1558  )))
1559 1559  
1560 1560  (((
... ... @@ -1590,7 +1590,7 @@
1590 1590  )))
1591 1591  
1592 1592  (((
1593 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1731 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1594 1594  )))
1595 1595  
1596 1596  (((
... ... @@ -1634,7 +1634,7 @@
1634 1634  )))
1635 1635  
1636 1636  (((
1637 -AT+VER: Get current image version and Frequency Band
1775 +AT+VER:  Get current image version and Frequency Band
1638 1638  )))
1639 1639  
1640 1640  (((
... ... @@ -1642,7 +1642,7 @@
1642 1642  )))
1643 1643  
1644 1644  (((
1645 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1783 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1646 1646  )))
1647 1647  
1648 1648  (((
... ... @@ -1682,107 +1682,108 @@
1682 1682  )))
1683 1683  
1684 1684  
1685 -
1686 1686  == 4.2 Common AT Command Sequence ==
1687 1687  
1688 -
1689 1689  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1690 1690  
1691 1691  (((
1692 1692  
1693 1693  
1694 -**If device has not joined network yet:**
1830 +(((
1831 +(% style="color:blue" %)**If device has not joined network yet:**
1695 1695  )))
1833 +)))
1696 1696  
1697 1697  (((
1698 -(% style="background-color:#dcdcdc" %)123456
1836 +(% style="background-color:#dcdcdc" %)**123456**
1699 1699  )))
1700 1700  
1701 1701  (((
1702 -(% style="background-color:#dcdcdc" %)AT+FDR
1840 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1703 1703  )))
1704 1704  
1705 1705  (((
1706 -(% style="background-color:#dcdcdc" %)123456
1844 +(% style="background-color:#dcdcdc" %)**123456**
1707 1707  )))
1708 1708  
1709 1709  (((
1710 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1848 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1711 1711  )))
1712 1712  
1713 1713  (((
1714 -(% style="background-color:#dcdcdc" %)ATZ
1852 +(% style="background-color:#dcdcdc" %)**ATZ**
1715 1715  )))
1716 1716  
1717 1717  
1718 1718  (((
1719 -**If device already joined network:**
1857 +(% style="color:blue" %)**If device already joined network:**
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1861 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -(% style="background-color:#dcdcdc" %)ATZ
1865 +(% style="background-color:#dcdcdc" %)**ATZ**
1728 1728  )))
1729 1729  
1730 1730  
1731 -
1732 1732  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1733 1733  
1734 1734  (((
1735 1735  
1736 1736  
1737 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1874 +(((
1875 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1738 1738  )))
1877 +)))
1739 1739  
1740 1740  (((
1741 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1880 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1742 1742  )))
1743 1743  
1744 1744  (((
1745 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1884 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1746 1746  )))
1747 1747  
1748 1748  (((
1749 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1888 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1892 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1896 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1758 1758  )))
1759 1759  
1760 1760  (((
1761 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1900 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1904 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1908 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1912 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1916 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1920 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1782 1782  )))
1783 1783  
1784 1784  (((
1785 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1924 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1786 1786  
1787 1787  
1788 1788  )))
... ... @@ -1792,10 +1792,16 @@
1792 1792  )))
1793 1793  
1794 1794  (((
1795 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1796 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1797 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1798 -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
1934 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1935 +
1936 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1937 +
1938 +**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1939 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1940 +
1941 +**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**
1942 +
1943 +
1799 1799  )))
1800 1800  
1801 1801  (((
... ... @@ -1810,15 +1810,16 @@
1810 1810  === 4.2.3 Change to Class A ===
1811 1811  
1812 1812  
1813 -If sensor JOINED
1814 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1815 -ATZ
1958 +(((
1959 +(% style="color:blue" %)**If sensor JOINED:**
1816 1816  
1961 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1962 +ATZ**
1963 +)))
1817 1817  
1818 1818  
1819 1819  = 5. FAQ =
1820 1820  
1821 -
1822 1822  == 5.1 How to upgrade the image? ==
1823 1823  
1824 1824  
... ... @@ -1835,12 +1835,14 @@
1835 1835  
1836 1836  (((
1837 1837  (% 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]].
1838 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1984 +(% 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]].
1839 1839  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1840 1840  
1841 1841  
1988 +(((
1842 1842  (% style="color:blue" %)**For LT-22222-L**(%%):
1843 1843  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1991 +)))
1844 1844  
1845 1845  
1846 1846  )))
... ... @@ -1860,8 +1860,6 @@
1860 1860  
1861 1861  (((
1862 1862  (((
1863 -
1864 -
1865 1865  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 1866  
1867 1867  
... ... @@ -1875,7 +1875,6 @@
1875 1875  (((
1876 1876  
1877 1877  
1878 -
1879 1879  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 1880  
1881 1881  
... ... @@ -1897,10 +1897,14 @@
1897 1897  
1898 1898  (((
1899 1899  (% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2045 +
2046 +
1900 1900  )))
1901 1901  
1902 1902  (((
1903 1903  [[image:1653360231087-571.png||height="401" width="727"]]
2051 +
2052 +
1904 1904  )))
1905 1905  
1906 1906  (((
... ... @@ -1908,21 +1908,23 @@
1908 1908  )))
1909 1909  
1910 1910  
2060 +
1911 1911  (((
1912 1912  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2063 +
2064 +
1913 1913  )))
1914 1914  
1915 1915  (((
1916 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1917 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1918 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1919 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1920 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1921 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1922 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1923 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1924 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1925 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2068 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2069 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2070 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2071 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2072 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2073 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2074 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2075 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2076 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1926 1926  )))
1927 1927  
1928 1928  
... ... @@ -1933,7 +1933,6 @@
1933 1933  [[image:1653360498588-932.png||height="485" width="726"]]
1934 1934  
1935 1935  
1936 -
1937 1937  == 5.4 Can I see counting event in Serial? ==
1938 1938  
1939 1939  
... ... @@ -1941,13 +1941,11 @@
1941 1941  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
1942 1942  
1943 1943  
1944 -
1945 1945  == 5.5 Can i use point to point communication for LT-22222-L? ==
1946 1946  
1947 1947  
1948 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2097 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
1949 1949  
1950 -
1951 1951  
1952 1952  )))
1953 1953  
... ... @@ -1964,7 +1964,21 @@
1964 1964  After restart, the status before power failure will be read from flash.
1965 1965  
1966 1966  
2115 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
1967 1967  
2117 +
2118 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2119 +
2120 +
2121 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2122 +
2123 +
2124 +== 5.8 Can LT22222-L save RO state? ==
2125 +
2126 +
2127 +Firmware version needs to be no less than 1.6.0.
2128 +
2129 +
1968 1968  = 6. Trouble Shooting =
1969 1969  )))
1970 1970  
... ... @@ -1983,7 +1983,6 @@
1983 1983  (((
1984 1984  
1985 1985  
1986 -
1987 1987  == 6.2 Have trouble to upload image. ==
1988 1988  
1989 1989  
... ... @@ -1996,7 +1996,6 @@
1996 1996  (((
1997 1997  
1998 1998  
1999 -
2000 2000  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2001 2001  
2002 2002  
... ... @@ -2007,7 +2007,6 @@
2007 2007  )))
2008 2008  
2009 2009  
2010 -
2011 2011  = 7. Order Info =
2012 2012  
2013 2013  
... ... @@ -2027,7 +2027,6 @@
2027 2027  
2028 2028  
2029 2029  
2030 -
2031 2031  = 8. Packing Info =
2032 2032  
2033 2033  
... ... @@ -2047,7 +2047,6 @@
2047 2047  
2048 2048  
2049 2049  
2050 -
2051 2051  = 9. Support =
2052 2052  
2053 2053  
... ... @@ -2058,8 +2058,6 @@
2058 2058  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2059 2059  
2060 2060  
2061 -
2062 -
2063 2063  
2064 2064  )))
2065 2065  
... ... @@ -2069,5 +2069,3 @@
2069 2069  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2070 2070  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2071 2071  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 -
2073 -
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