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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 26.1
edited by Xiaoling
on 2022/05/24 09:02
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To version 66.20
edited by Xiaoling
on 2022/05/24 13:53
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... ... @@ -45,44 +45,114 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 +(((
48 48  **Hardware System:**
50 +)))
49 49  
50 -* STM32L072CZT6 MCU
51 -* SX1276/78 Wireless Chip 
52 -* Power Consumption:
53 -** Idle: 4mA@12v
54 -** 20dB Transmit: 34mA@12v
52 +* (((
53 +STM32L072CZT6 MCU
54 +)))
55 +* (((
56 +SX1276/78 Wireless Chip 
57 +)))
58 +* (((
59 +(((
60 +Power Consumption:
61 +)))
55 55  
63 +* (((
64 +Idle: 4mA@12v
65 +)))
66 +* (((
67 +20dB Transmit: 34mA@12v
68 +)))
69 +)))
70 +
71 +(((
56 56  **Interface for Model: LT22222-L:**
73 +)))
57 57  
58 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 -* 2 x Relay Output (5A@250VAC / 30VDC)
61 -* 2 x 0~~20mA Analog Input (res:0.01mA)
62 -* 2 x 0~~30V Analog Input (res:0.01v)
63 -* Power Input 7~~ 24V DC. 
75 +* (((
76 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
77 +)))
78 +* (((
79 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
80 +)))
81 +* (((
82 +2 x Relay Output (5A@250VAC / 30VDC)
83 +)))
84 +* (((
85 +2 x 0~~20mA Analog Input (res:0.01mA)
86 +)))
87 +* (((
88 +2 x 0~~30V Analog Input (res:0.01v)
89 +)))
90 +* (((
91 +Power Input 7~~ 24V DC. 
92 +)))
64 64  
94 +(((
65 65  **LoRa Spec:**
96 +)))
66 66  
67 -* Frequency Range:
68 -** Band 1 (HF): 862 ~~ 1020 Mhz
69 -** Band 2 (LF): 410 ~~ 528 Mhz
70 -* 168 dB maximum link budget.
71 -* +20 dBm - 100 mW constant RF output vs.
72 -* +14 dBm high efficiency PA.
73 -* Programmable bit rate up to 300 kbps.
74 -* High sensitivity: down to -148 dBm.
75 -* Bullet-proof front end: IIP3 = -12.5 dBm.
76 -* Excellent blocking immunity.
77 -* Low RX current of 10.3 mA, 200 nA register retention.
78 -* Fully integrated synthesizer with a resolution of 61 Hz.
79 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 -* Built-in bit synchronizer for clock recovery.
81 -* Preamble detection.
82 -* 127 dB Dynamic Range RSSI.
83 -* Automatic RF Sense and CAD with ultra-fast AFC.
84 -* Packet engine up to 256 bytes with CRC.
98 +* (((
99 +(((
100 +Frequency Range:
101 +)))
85 85  
103 +* (((
104 +Band 1 (HF): 862 ~~ 1020 Mhz
105 +)))
106 +* (((
107 +Band 2 (LF): 410 ~~ 528 Mhz
108 +)))
109 +)))
110 +* (((
111 +168 dB maximum link budget.
112 +)))
113 +* (((
114 ++20 dBm - 100 mW constant RF output vs.
115 +)))
116 +* (((
117 ++14 dBm high efficiency PA.
118 +)))
119 +* (((
120 +Programmable bit rate up to 300 kbps.
121 +)))
122 +* (((
123 +High sensitivity: down to -148 dBm.
124 +)))
125 +* (((
126 +Bullet-proof front end: IIP3 = -12.5 dBm.
127 +)))
128 +* (((
129 +Excellent blocking immunity.
130 +)))
131 +* (((
132 +Low RX current of 10.3 mA, 200 nA register retention.
133 +)))
134 +* (((
135 +Fully integrated synthesizer with a resolution of 61 Hz.
136 +)))
137 +* (((
138 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
139 +)))
140 +* (((
141 +Built-in bit synchronizer for clock recovery.
142 +)))
143 +* (((
144 +Preamble detection.
145 +)))
146 +* (((
147 +127 dB Dynamic Range RSSI.
148 +)))
149 +* (((
150 +Automatic RF Sense and CAD with ultra-fast AFC.
151 +)))
152 +* (((
153 +Packet engine up to 256 bytes with CRC.
154 +)))
155 +
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol
... ... @@ -131,7 +131,7 @@
131 131  
132 132  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
133 133  
134 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
204 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
135 135  
136 136  3.2 Example to join LoRaWAN network
137 137  
... ... @@ -327,7 +327,7 @@
327 327  **ATZ**
328 328  )))
329 329  
330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
400 +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]].
331 331  
332 332  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
... ... @@ -362,7 +362,7 @@
362 362  )))
363 363  
364 364  
365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
435 +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]].
366 366  
367 367  **Plus below command for AVI1 Counting:**
368 368  
... ... @@ -414,7 +414,7 @@
414 414  **ATZ**
415 415  )))
416 416  
417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
487 +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]].
418 418  
419 419  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
... ... @@ -463,7 +463,7 @@
463 463  
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 -Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
536 +Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
467 467  
468 468  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469 469  
... ... @@ -483,7 +483,7 @@
483 483  
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 -Example2: AA 02 01 00
556 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -499,7 +499,7 @@
499 499  
500 500  * Each bits shows if the corresponding trigger has been configured.
501 501  
502 -Example:
572 +**Example:**
503 503  
504 504  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
505 505  
... ... @@ -506,60 +506,22 @@
506 506  
507 507  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
508 508  
509 -(% border="1" style="background-color:#f7faff" %)
510 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
511 -|(((
512 -AV1_
579 +[[image:image-20220524090249-3.png]]
513 513  
514 -LOW
515 -)))|(((
516 -AV1_
517 -
518 -HIGH
519 -)))|(((
520 -AV2_
521 -
522 -LOW
523 -)))|(((
524 -AV2_
525 -
526 -HIGH
527 -)))|(((
528 -AC1_
529 -
530 -LOW
531 -)))|(((
532 -AC1_
533 -
534 -HIGH
535 -)))|(((
536 -AC2_
537 -
538 -LOW
539 -)))|(((
540 -AC2_
541 -
542 -HIGH
543 -)))
544 -
545 545  * Each bits shows which status has been trigger on this uplink.
546 546  
547 -Example:
583 +**Example:**
548 548  
549 549  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
550 550  
551 551  
552 -
553 -
554 554  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
555 555  
556 -(% border="1" style="background-color:#f7faff" %)
557 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
558 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
590 +[[image:image-20220524090456-4.png]]
559 559  
560 560  * Each bits shows which status has been trigger on this uplink.
561 561  
562 -Example:
594 +**Example:**
563 563  
564 564  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
565 565  
... ... @@ -568,115 +568,115 @@
568 568  
569 569  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
570 570  
571 -
572 572  Downlink command to poll MOD6 status:
573 573  
574 -AB 06
605 +**AB 06**
575 575  
576 576  When device got this command, it will send the MOD6 payload.
577 577  
609 +=== 3.3.7 Payload Decoder ===
578 578  
579 -1.
580 -11.
581 -111. Payload Decoder
582 -
611 +(((
583 583  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
613 +)))
584 584  
615 +== 3.4 ​Configure LT via AT or Downlink ==
585 585  
617 +User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
586 586  
587 -
588 -
589 -
590 -
591 -1.
592 -11. ​Configure LT via AT or Downlink
593 -
594 -User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
595 -
619 +(((
596 596  There are two kinds of Commands:
621 +)))
597 597  
598 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
623 +* (% 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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
599 599  
600 -* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
625 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
601 601  
602 -1.
603 -11.
604 -111. Common Commands:
627 +=== 3.4.1 Common Commands ===
605 605  
606 -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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
629 +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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
607 607  
631 +=== 3.4.2 Sensor related commands ===
608 608  
609 -1.
610 -11.
611 -111. Sensor related commands:
633 +==== 3.4.2.1 Set Transmit Interval ====
612 612  
613 -==== Set Transmit Interval ====
614 -
615 615  Set device uplink interval.
616 616  
617 617  * AT Command:
618 618  
619 -AT+TDC=N
639 +(% class="box infomessage" %)
640 +(((
641 +**AT+TDC=N **
642 +)))
620 620  
621 -Example: AT+TDC=30000. Means set interval to 30 seconds
644 +**Example: **AT+TDC=30000. Means set interval to 30 seconds
622 622  
623 -
624 624  * Downlink Payload (prefix 0x01):
625 625  
626 -0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
648 +(% class="box infomessage" %)
649 +(((
650 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
651 +)))
627 627  
653 +==== 3.4.2.2 Set Work Mode (AT+MOD) ====
628 628  
629 -==== Set Work Mode (AT+MOD) ====
630 -
631 631  Set work mode.
632 632  
633 633  * AT Command:
634 634  
635 -AT+MOD=N 
659 +(% class="box infomessage" %)
660 +(((
661 +**AT+MOD=N  **
662 +)))
636 636  
637 -Example: AT+MOD=2. Set work mode to Double DI counting mode
664 +**Example**: AT+MOD=2. Set work mode to Double DI counting mode
638 638  
639 -
640 640  * Downlink Payload (prefix 0x0A):
641 641  
642 -0x0A aa     ~/~/ Same as AT+MOD=aa
668 +(% class="box infomessage" %)
669 +(((
670 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
671 +)))
643 643  
673 +==== 3.4.2.3 Poll an uplink ====
644 644  
645 -
646 -==== Poll an uplink ====
647 -
648 648  * AT Command:
649 649  
650 650  There is no AT Command to poll uplink
651 651  
652 -
653 653  * Downlink Payload (prefix 0x08):
654 654  
655 -0x08 FF     ~/~/ Poll an uplink,
681 +(% class="box infomessage" %)
682 +(((
683 +**0x08 FF     ~/~/ Poll an uplink,**
684 +)))
656 656  
657 -Example: 0x08FF, ask device to send an Uplink
686 +**Example**: 0x08FF, ask device to send an Uplink
658 658  
688 +==== 3.4.2.4 Enable Trigger Mode ====
659 659  
660 -==== Enable Trigger Mode ====
690 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
661 661  
662 -Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
663 -
664 664  * AT Command:
665 665  
666 -AT+ADDMOD6=1 or 0
694 +(% class="box infomessage" %)
695 +(((
696 +**AT+ADDMOD6=1 or 0**
697 +)))
667 667  
668 668  1: Enable Trigger Mode
669 669  
670 670  0: Disable Trigger Mode
671 671  
672 -
673 673  * Downlink Payload (prefix 0x0A 06):
674 674  
675 -0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
705 +(% class="box infomessage" %)
706 +(((
707 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
708 +)))
676 676  
710 +==== 3.4.2.5 Poll trigger settings ====
677 677  
678 -==== Poll trigger settings ====
679 -
680 680  Poll trigger settings,
681 681  
682 682  * AT Command:
... ... @@ -683,339 +683,337 @@
683 683  
684 684  There is no AT Command for this feature.
685 685  
686 -
687 687  * Downlink Payload (prefix 0x AB 06):
688 688  
689 -0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
720 +(% class="box infomessage" %)
721 +(((
722 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
723 +)))
690 690  
725 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
691 691  
692 -==== Enable / Disable DI1/DI2/DI3 as trigger ====
693 -
694 694  Enable Disable DI1/DI2/DI2 as trigger,
695 695  
696 696  * AT Command:
697 697  
698 -Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
731 +(% class="box infomessage" %)
732 +(((
733 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
734 +)))
699 699  
700 -Example:
736 +**Example:**
701 701  
702 702  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
703 703  
704 -
705 -
706 706  * Downlink Payload (prefix 0xAA 02):
707 707  
708 -0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
742 +(% class="box infomessage" %)
743 +(((
744 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
745 +)))
709 709  
747 +==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
710 710  
711 -
712 -==== Trigger1 – Set DI1 or DI3 as trigger ====
713 -
714 714  Set DI1 or DI3(for LT-33222-L) trigger.
715 715  
716 716  * AT Command:
717 717  
718 -AT+TRIG1=a,b
753 +(% class="box infomessage" %)
754 +(((
755 +**AT+TRIG1=a,b**
756 +)))
719 719  
720 720  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
721 721  
722 722  b : delay timing.
723 723  
724 -Example:
762 +**Example:**
725 725  
726 726  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
727 727  
728 -
729 729  * Downlink Payload (prefix 0x09 01 ):
730 730  
731 -0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
768 +(% class="box infomessage" %)
769 +(((
770 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
771 +)))
732 732  
773 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
733 733  
734 -==== Trigger2 – Set DI2 as trigger ====
735 -
736 736  Set DI2 trigger.
737 737  
738 738  * AT Command:
739 739  
740 -AT+TRIG2=a,b
779 +(% class="box infomessage" %)
780 +(((
781 +**AT+TRIG2=a,b**
782 +)))
741 741  
742 742  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
743 743  
744 744  b : delay timing.
745 745  
746 -Example:
788 +**Example:**
747 747  
748 748  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
749 749  
750 -
751 751  * Downlink Payload (prefix 0x09 02 ):
752 752  
753 -0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
794 +(% class="box infomessage" %)
795 +(((
796 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
797 +)))
754 754  
799 +==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
755 755  
756 -==== Trigger – Set AC (current) as trigger ====
801 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
757 757  
758 -Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
759 -
760 760  * AT Command:
761 761  
762 -AT+ACLIM. See [[trigger mode>>path:#MOD6]]
805 +(% class="box infomessage" %)
806 +(((
807 +**AT+ACLIM. **
808 +)))
763 763  
764 -
765 765  * Downlink Payload (prefix 0xAA 01 ):
766 766  
767 -0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
812 +(% class="box infomessage" %)
813 +(((
814 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
815 +)))
768 768  
817 +==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
769 769  
770 -==== Trigger – Set AV (voltage) as trigger ====
819 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
771 771  
772 -Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
773 -
774 774  * AT Command:
775 775  
776 -AT+AVLIM. See [[trigger mode>>path:#MOD6]]
823 +(% class="box infomessage" %)
824 +(((
825 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
826 +)))
777 777  
778 -
779 779  * Downlink Payload (prefix 0xAA 00 ):
780 780  
781 -0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
830 +(% class="box infomessage" %)
831 +(((
832 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
833 +)))
782 782  
783 -==== Trigger – Set minimum interval ====
835 +==== 3.4.2.11 Trigger – Set minimum interval ====
784 784  
785 785  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
786 786  
787 787  * AT Command:
788 788  
789 -AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
841 +(% class="box infomessage" %)
842 +(((
843 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
844 +)))
790 790  
791 -
792 792  * Downlink Payload (prefix 0xAC ):
793 793  
794 -0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
848 +(% class="box infomessage" %)
849 +(((
850 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
851 +)))
795 795  
853 +==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
796 796  
797 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
798 -
799 799  * AT Command:
800 800  
801 801  There is no AT Command to control Digital Output
802 802  
803 -
804 804  * Downlink Payload (prefix 0x02):
805 805  
806 -0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
861 +(% class="box infomessage" %)
862 +(((
863 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
864 +)))
807 807  
866 +(((
808 808  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
868 +)))
809 809  
870 +(((
810 810  01: Low,  00: High ,  11: No action
872 +)))
811 811  
812 -(% border="1" style="background-color:#f7faff" %)
813 -|Downlink Code|DO1|DO2|DO3
814 -|02  01  00  11|Low|High|No Action
815 -|02  00  11  01|High|No Action|Low
816 -|02  11  01  00|No Action|Low|High
874 +[[image:image-20220524092754-5.png]]
817 817  
818 -Note: For LT-22222-L, there is no DO3, the last byte can use any value.
876 +(((
877 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
878 +)))
819 819  
820 -Device will upload a packet if downlink code executes successfully.
880 +(((
881 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
882 +)))
821 821  
822 822  
885 +==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
823 823  
824 -
825 -
826 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
827 -
828 828  * AT Command:
829 829  
830 830  There is no AT Command to control Digital Output
831 831  
832 -
833 833  * Downlink Payload (prefix 0xA9):
834 834  
835 -0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
893 +(% class="box infomessage" %)
894 +(((
895 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
896 +)))
836 836  
837 837  This is to control the digital output time of DO pin. Include four bytes:
838 838  
839 -**First Byte:** Type code (0xA9)
900 +(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
840 840  
841 -**Second Byte**: Inverter Mode
902 +(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
842 842  
843 843  01: DO pins will change back to original state after timeout.
844 844  
845 845  00: DO pins will change to an inverter state after timeout 
846 846  
908 +(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
847 847  
848 -**Third Byte**: Control Method and Ports status:
910 +[[image:image-20220524093238-6.png]]
849 849  
850 -(% border="1" style="background-color:#f7faff" %)
851 -|Second Byte|Status
852 -|0x01|DO1 set to low
853 -|0x00|DO1 set to high
854 -|0x11|DO1 NO Action
912 +(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
855 855  
856 -**Fourth Byte**: Control Method and Ports status:
914 +[[image:image-20220524093328-7.png]]
857 857  
858 -(% border="1" style="background-color:#f7faff" %)
859 -|Second Byte|Status
860 -|0x01|DO2 set to low
861 -|0x00|DO2 set to high
862 -|0x11|DO2 NO Action
916 +(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
863 863  
864 -**Fifth Byte**: Control Method and Ports status:
918 +[[image:image-20220524093351-8.png]]
865 865  
866 -(% border="1" style="background-color:#f7faff" %)
867 -|Second Byte|Status
868 -|0x01|DO3 set to low
869 -|0x00|DO3 set to high
870 -|0x11|DO3 NO Action
920 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
871 871  
872 -**Sixth and Seventh Byte**:
873 -
874 874   Latching time. Unit: ms
875 875  
876 876  Device will upload a packet if downlink code executes successfully.
877 877  
926 +**Example payload:**
878 878  
928 +**~1. A9 01 01 01 01 07 D0**
879 879  
880 -Example payload:
881 -
882 -1. A9 01 01 01 01 07 D0
883 -
884 884  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
885 885  
932 +**2. A9 01 00 01 11 07 D0**
886 886  
887 -1. A9 01 00 01 11 07 D0
888 -
889 889  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
890 890  
936 +**3. A9 00 00 00 00 07 D0**
891 891  
892 -1. A9 00 00 00 00 07 D0
893 -
894 894  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
895 895  
940 +**4. A9 00 11 01 00 07 D0**
896 896  
897 -1. A9 00 11 01 00 07 D0
898 -
899 899  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
900 900  
901 901  
945 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
902 902  
903 -
904 -==== Relay ~-~- Control Relay Output RO1/RO2 ====
905 -
906 906  * AT Command:
907 907  
908 908  There is no AT Command to control Relay Output
909 909  
910 -
911 911  * Downlink Payload (prefix 0x03):
912 912  
913 -0x03 aa bb     ~/~/ Set RO1/RO2 output
953 +(% class="box infomessage" %)
954 +(((
955 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
956 +)))
914 914  
958 +(((
915 915  If payload = 0x030100, it means set RO1 to close and RO2 to open.
960 +)))
916 916  
962 +(((
917 917  01: Close ,  00: Open , 11: No action
964 +)))
918 918  
919 -(% border="1" style="background-color:#f7faff" %)
920 -|Downlink Code|RO1|RO2
921 -|03  00  11|Open|No Action
922 -|03  01  11|Close|No Action
923 -|03  11  00|No Action|Open
924 -|03  11  01|No Action|Close
925 -|03  00  00|Open|Open
926 -|03  01  01|Close|Close
927 -|03  01  00|Close|Open
928 -|03  00  01|Open|Close
966 +(((
967 +[[image:image-20220524093724-9.png]]
968 +)))
929 929  
930 930  Device will upload a packet if downlink code executes successfully.
931 931  
932 932  
933 -==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
973 +==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
934 934  
935 935  * AT Command:
936 936  
937 937  There is no AT Command to control Relay Output
938 938  
939 -
940 940  * Downlink Payload (prefix 0x05):
941 941  
942 -0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
981 +(% class="box infomessage" %)
982 +(((
983 +**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
984 +)))
943 943  
944 944  This is to control the relay output time of relay. Include four bytes:
945 945  
946 -**First Byte:** Type code (0x05)
988 +(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
947 947  
948 -**Second Byte(aa)**: Inverter Mode
990 +(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
949 949  
950 950  01: Relays will change back to original state after timeout.
951 951  
952 952  00: Relays will change to an inverter state after timeout
953 953  
996 +(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
954 954  
955 -**Third Byte(bb)**: Control Method and Ports status:
998 +[[image:image-20220524093831-10.png]]
956 956  
957 -(% border="1" style="background-color:#f7faff" %)
958 -|Value|Status
959 -|0x11|RO1 and RO2 to NO
960 -|0x10|RO2 to NO, RO1 to NC
961 -|0x01|RO2 to NC, RO1 to NO
962 -|0x00|RO1 and RO2 to NC.
963 -|0x20|RO1 No Action, RO2 to NC
964 -|0x21|RO1 No Action, RO2 to NO
965 -|0x02|RO1 to NC, RO2 No Action
966 -|0x12|RO1 to NO, RO2 No Action
1000 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
967 967  
968 -**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
969 -
970 970  Device will upload a packet if downlink code executes successfully.
971 971  
972 -
973 -
974 974  **Example payload:**
975 975  
976 -1. 05 01 11 07 D0
1006 +**~1. 05 01 11 07 D0**
977 977  
978 978  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
979 979  
1010 +**2. 05 01 10 07 D0**
980 980  
981 -1. 05 01 10 07 D0
982 -
983 983  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
984 984  
1014 +**3. 05 00 01 07 D0**
985 985  
986 -1. 05 00 01 07 D0
987 -
988 988  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
989 989  
1018 +**4. 05 00 00 07 D0**
990 990  
991 -1. 05 00 00 07 D0
992 -
993 993  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
994 994  
995 995  
1023 +==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
996 996  
1025 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
997 997  
998 -
999 -
1000 -==== Counting ~-~- Voltage threshold counting ====
1001 -
1002 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
1003 -
1004 1004  * AT Command:
1005 1005  
1006 -AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1029 +(% class="box infomessage" %)
1030 +(((
1031 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1032 +)))
1007 1007  
1008 -
1009 1009  * Downlink Payload (prefix 0xA5):
1010 1010  
1011 -0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1036 +(% class="box infomessage" %)
1037 +(((
1038 +**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1039 +)))
1012 1012  
1041 +==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1013 1013  
1014 -==== Counting ~-~- Pre-configure the Count Number ====
1015 -
1016 1016  * AT Command:
1017 1017  
1018 -AT+SETCNT=aa,(bb cc dd ee)
1045 +(% class="box infomessage" %)
1046 +(((
1047 +**AT+SETCNT=aa,(bb cc dd ee) **
1048 +)))
1019 1019  
1020 1020  aa: 1: Set count1,
1021 1021  
... ... @@ -1025,115 +1025,109 @@
1025 1025  
1026 1026  Bb cc dd ee: number to be set
1027 1027  
1028 -
1029 1029  * Downlink Payload (prefix 0xA8):
1030 1030  
1031 -0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1060 +(% class="box infomessage" %)
1061 +(((
1062 +**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1063 +)))
1032 1032  
1065 +==== 3.4.2.18 Counting ~-~- Clear Counting ====
1033 1033  
1034 -
1035 -
1036 -
1037 -==== Counting ~-~- Clear Counting ====
1038 -
1039 1039  Clear counting for counting mode
1040 1040  
1041 1041  * AT Command:
1042 1042  
1043 -AT+CLRCOUNT ~/~/ clear all counting
1071 +(% class="box infomessage" %)
1072 +(((
1073 +**AT+CLRCOUNT ~/~/ clear all counting**
1074 +)))
1044 1044  
1045 -
1046 1046  * Downlink Payload (prefix 0xA6):
1047 1047  
1048 -0x A6 01     ~/~/ clear all counting,
1078 +(% class="box infomessage" %)
1079 +(((
1080 +**0x A6 01     ~/~/ clear all counting,**
1081 +)))
1049 1049  
1083 +==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1050 1050  
1051 -
1052 -
1053 -==== Counting ~-~- Change counting mode save time ====
1054 -
1055 1055  * AT Command:
1056 1056  
1057 -AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1087 +(% class="box infomessage" %)
1088 +(((
1089 +**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1090 +)))
1058 1058  
1059 -
1060 1060  * Downlink Payload (prefix 0xA7):
1061 1061  
1062 -0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1094 +(% class="box infomessage" %)
1095 +(((
1096 +**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1097 +)))
1063 1063  
1064 1064  range: aa bb cc:0 to 16777215,  (unit:second)
1065 1065  
1101 +== 3.5 Integrate with Mydevice ==
1066 1066  
1067 -
1068 -
1069 -1.
1070 -11. Integrate with Mydevice
1071 -
1072 1072  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1073 1073  
1105 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1074 1074  
1075 -Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1107 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1076 1076  
1077 -Step 2: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1109 +[[image:1653356737703-362.png||height="232" width="732"]]
1078 1078  
1111 +[[image:image-20220524094641-11.png||height="390" width="723"]]
1079 1079  
1080 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1081 1081  
1114 +[[image:image-20220524094641-12.png||height="402" width="718"]]
1082 1082  
1083 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1116 +**Step 3**: Create an account or log in Mydevices.
1084 1084  
1118 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1085 1085  
1086 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1087 -
1088 -
1089 -
1090 -Step 3: Create an account or log in Mydevices.
1091 -
1092 -Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1093 -
1094 1094  Search under The things network
1095 1095  
1096 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1122 +[[image:1653356838789-523.png||height="337" width="740"]]
1097 1097  
1098 -
1099 1099  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1100 1100  
1101 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1126 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1102 1102  
1128 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1103 1103  
1104 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1130 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1105 1105  
1132 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1106 1106  
1107 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1134 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1108 1108  
1136 +== 3.6 Interface Detail ==
1109 1109  
1110 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1138 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1111 1111  
1112 -
1113 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1114 -
1115 -
1116 -1.
1117 -11. Interface Detail
1118 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1119 -
1120 1120  Support NPN Type sensor
1121 1121  
1122 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1142 +[[image:1653356991268-289.png]]
1123 1123  
1144 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1124 1124  
1125 -
1126 -1.
1127 -11.
1128 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1129 -
1146 +(((
1130 1130  The DI port of LT-22222-L can support NPN or PNP output sensor.
1148 +)))
1131 1131  
1150 +(((
1151 +(((
1132 1132  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
1153 +)))
1154 +)))
1133 1133  
1134 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1156 +[[image:1653357170703-587.png]]
1135 1135  
1158 +(((
1136 1136  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1160 +)))
1137 1137  
1138 1138  
1139 1139  **Example1**: Connect to a Low active sensor.
... ... @@ -1143,11 +1143,11 @@
1143 1143  * Connect sensor’s output to DI1-
1144 1144  * Connect sensor’s VCC to DI1+.
1145 1145  
1146 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1170 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1147 1147  
1148 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1172 + //IF// = DI1+ / 1K.
1149 1149  
1150 -If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
1174 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1151 1151  
1152 1152  
1153 1153  **Example2**: Connect to a High active sensor.
... ... @@ -1159,12 +1159,12 @@
1159 1159  
1160 1160  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1161 1161  
1162 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1186 +[[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.**
1163 1163  
1164 -If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
1188 +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.
1165 1165  
1166 1166  
1167 -**Example3**: Connect to a 220v high active sensor.公司测试一下
1191 +**Example3**: Connect to a 220v high active sensor.
1168 1168  
1169 1169  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1170 1170  
... ... @@ -1173,34 +1173,24 @@
1173 1173  
1174 1174  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1175 1175  
1176 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1200 + [[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.**
1177 1177  
1178 -If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1202 +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.
1179 1179  
1204 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1180 1180  
1181 -1.
1182 -11.
1183 -111. Digital Output Port: DO1/DO2 /DO3
1184 -
1185 1185  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1186 1186  
1187 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1208 +[[image:1653357531600-905.png]]
1188 1188  
1210 +=== 3.6.4 Analog Input Interface ===
1189 1189  
1190 -
1191 -
1192 -1.
1193 -11.
1194 -111. Analog Input Interface
1195 -
1196 1196  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1197 1197  
1198 -AC2 = (IN2 voltage )/12
1214 +**AC2 = (IN2 voltage )/12**
1199 1199  
1200 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1216 +[[image:1653357592296-182.png]]
1201 1201  
1202 -
1203 -
1204 1204  Example to connect a 4~~20mA sensor
1205 1205  
1206 1206  We take the wind speed sensor as an example for reference only.
... ... @@ -1216,423 +1216,579 @@
1216 1216  
1217 1217  Connection diagram:
1218 1218  
1219 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1233 +[[image:1653357640609-758.png]]
1220 1220  
1221 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1235 +[[image:1653357648330-671.png||height="155" width="733"]]
1222 1222  
1237 +=== 3.6.5 Relay Output ===
1223 1223  
1224 -
1225 -1.
1226 -11.
1227 -111. Relay Output
1228 -
1239 +(((
1229 1229  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:
1241 +)))
1230 1230  
1231 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1243 +[[image:image-20220524100215-9.png]]
1232 1232  
1245 +[[image:image-20220524100215-10.png||height="382" width="723"]]
1233 1233  
1234 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1247 +== 3.7 LEDs Indicators ==
1235 1235  
1249 +[[image:image-20220524100748-11.png]]
1236 1236  
1251 += 4. Use AT Command =
1237 1237  
1253 +== 4.1 Access AT Command ==
1238 1238  
1239 -
1240 -1.
1241 -11. LEDs Indicators
1242 -
1243 -(% border="1" style="background-color:#f7faff" %)
1244 -|**LEDs**|**Feature**
1245 -|**PWR**|Always on if there is power
1246 -|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1247 -|**TX**|(((
1248 -Device boot: TX blinks 5 times.
1249 -
1250 -Successful join network: TX ON for 5 seconds.
1251 -
1252 -Transmit a LoRa packet: TX blinks once
1253 -)))
1254 -|**RX**|RX blinks once when receive a packet.
1255 -|**DO1**|
1256 -|**DO2**|
1257 -|**DO3**|
1258 -|**DI2**|(((
1259 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1260 -
1261 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1262 -)))
1263 -|**DI2**|(((
1264 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1265 -
1266 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1267 -)))
1268 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1269 -|**DI2**|(((
1270 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1271 -
1272 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1273 -)))
1274 -|**RO1**|
1275 -|**RO2**|
1276 -
1277 -1. Use AT Command
1278 -11. Access AT Command
1279 -
1280 1280  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.
1281 1281  
1282 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1257 +[[image:1653358238933-385.png]]
1283 1283  
1259 +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:
1284 1284  
1285 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1261 +[[image:1653358355238-883.png]]
1286 1286  
1287 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1288 -
1289 -
1290 1290  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1291 1291  
1265 +(((
1292 1292  AT+<CMD>?        : Help on <CMD>
1267 +)))
1293 1293  
1269 +(((
1294 1294  AT+<CMD>         : Run <CMD>
1271 +)))
1295 1295  
1273 +(((
1296 1296  AT+<CMD>=<value> : Set the value
1275 +)))
1297 1297  
1277 +(((
1298 1298  AT+<CMD>=?       : Get the value
1279 +)))
1299 1299  
1281 +(((
1300 1300  ATZ: Trig a reset of the MCU
1283 +)))
1301 1301  
1285 +(((
1302 1302  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1287 +)))
1303 1303  
1289 +(((
1304 1304  AT+DEUI: Get or Set the Device EUI
1291 +)))
1305 1305  
1293 +(((
1306 1306  AT+DADDR: Get or Set the Device Address
1295 +)))
1307 1307  
1297 +(((
1308 1308  AT+APPKEY: Get or Set the Application Key
1299 +)))
1309 1309  
1301 +(((
1310 1310  AT+NWKSKEY: Get or Set the Network Session Key
1303 +)))
1311 1311  
1305 +(((
1312 1312  AT+APPSKEY: Get or Set the Application Session Key
1307 +)))
1313 1313  
1309 +(((
1314 1314  AT+APPEUI: Get or Set the Application EUI
1311 +)))
1315 1315  
1313 +(((
1316 1316  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1315 +)))
1317 1317  
1317 +(((
1318 1318  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1319 +)))
1319 1319  
1321 +(((
1320 1320  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1323 +)))
1321 1321  
1325 +(((
1322 1322  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1327 +)))
1323 1323  
1329 +(((
1324 1324  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1331 +)))
1325 1325  
1333 +(((
1326 1326  AT+RX2FQ: Get or Set the Rx2 window frequency
1335 +)))
1327 1327  
1337 +(((
1328 1328  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1339 +)))
1329 1329  
1341 +(((
1330 1330  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1343 +)))
1331 1331  
1345 +(((
1332 1332  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1347 +)))
1333 1333  
1349 +(((
1334 1334  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1351 +)))
1335 1335  
1353 +(((
1336 1336  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1355 +)))
1337 1337  
1357 +(((
1338 1338  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1359 +)))
1339 1339  
1361 +(((
1340 1340  AT+NWKID: Get or Set the Network ID
1363 +)))
1341 1341  
1365 +(((
1342 1342  AT+FCU: Get or Set the Frame Counter Uplink
1367 +)))
1343 1343  
1369 +(((
1344 1344  AT+FCD: Get or Set the Frame Counter Downlink
1371 +)))
1345 1345  
1373 +(((
1346 1346  AT+CLASS: Get or Set the Device Class
1375 +)))
1347 1347  
1377 +(((
1348 1348  AT+JOIN: Join network
1379 +)))
1349 1349  
1381 +(((
1350 1350  AT+NJS: Get OTAA Join Status
1383 +)))
1351 1351  
1385 +(((
1352 1352  AT+SENDB: Send hexadecimal data along with the application port
1387 +)))
1353 1353  
1389 +(((
1354 1354  AT+SEND: Send text data along with the application port
1391 +)))
1355 1355  
1393 +(((
1356 1356  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1395 +)))
1357 1357  
1397 +(((
1358 1358  AT+RECV: Print last received data in raw format
1399 +)))
1359 1359  
1401 +(((
1360 1360  AT+VER: Get current image version and Frequency Band
1403 +)))
1361 1361  
1405 +(((
1362 1362  AT+CFM: Get or Set the confirmation mode (0-1)
1407 +)))
1363 1363  
1409 +(((
1364 1364  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1411 +)))
1365 1365  
1413 +(((
1366 1366  AT+SNR: Get the SNR of the last received packet
1415 +)))
1367 1367  
1417 +(((
1368 1368  AT+RSSI: Get the RSSI of the last received packet
1419 +)))
1369 1369  
1421 +(((
1370 1370  AT+TDC: Get or set the application data transmission interval in ms
1423 +)))
1371 1371  
1425 +(((
1372 1372  AT+PORT: Get or set the application port
1427 +)))
1373 1373  
1429 +(((
1374 1374  AT+DISAT: Disable AT commands
1431 +)))
1375 1375  
1433 +(((
1376 1376  AT+PWORD: Set password, max 9 digits
1435 +)))
1377 1377  
1437 +(((
1378 1378  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1439 +)))
1379 1379  
1441 +(((
1380 1380  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1443 +)))
1381 1381  
1445 +(((
1382 1382  AT+CFG: Print all settings
1447 +)))
1383 1383  
1449 +== 4.2 Common AT Command Sequence ==
1384 1384  
1451 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1385 1385  
1386 -1.
1387 -11. Common AT Command Sequence
1388 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1389 -
1453 +(((
1390 1390  If device has not joined network yet:
1455 +)))
1391 1391  
1392 -123456
1457 +(((
1458 +(% style="background-color:#dcdcdc" %)123456
1459 +)))
1393 1393  
1394 -AT+FDR
1461 +(((
1462 +(% style="background-color:#dcdcdc" %)AT+FDR
1463 +)))
1395 1395  
1396 -123456
1465 +(((
1466 +(% style="background-color:#dcdcdc" %)123456
1467 +)))
1397 1397  
1398 -AT+NJM=0
1469 +(((
1470 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1471 +)))
1399 1399  
1400 -ATZ
1473 +(((
1474 +(% style="background-color:#dcdcdc" %)ATZ
1475 +)))
1401 1401  
1402 1402  
1478 +(((
1403 1403  If device already joined network:
1480 +)))
1404 1404  
1405 -AT+NJM=0
1482 +(((
1483 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1484 +)))
1406 1406  
1407 -ATZ
1486 +(((
1487 +(% style="background-color:#dcdcdc" %)ATZ
1488 +)))
1408 1408  
1409 -1.
1410 -11.
1411 -111. Single-channel ABP mode (Use with LG01/LG02)
1490 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1412 1412  
1413 -123456   Enter Password to have AT access.
1492 +(((
1493 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1494 +)))
1414 1414  
1415 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1496 +(((
1497 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1498 +)))
1416 1416  
1417 -123456   Enter Password to have AT access.
1500 +(((
1501 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1502 +)))
1418 1418  
1419 -AT+CLASS=C Set to work in CLASS C
1504 +(((
1505 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1506 +)))
1420 1420  
1421 -AT+NJM=0 Set to ABP mode
1508 +(((
1509 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1510 +)))
1422 1422  
1423 -AT+ADR=0 Set the Adaptive Data Rate Off
1512 +(((
1513 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1514 +)))
1424 1424  
1425 -AT+DR=5  Set Data Rate
1516 +(((
1517 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1518 +)))
1426 1426  
1427 -AT+TDC=60000  Set transmit interval to 60 seconds
1520 +(((
1521 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1522 +)))
1428 1428  
1429 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1524 +(((
1525 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1526 +)))
1430 1430  
1431 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1528 +(((
1529 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1530 +)))
1432 1432  
1433 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1532 +(((
1533 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1534 +)))
1434 1434  
1435 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1536 +(((
1537 +(% 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.
1538 +)))
1436 1436  
1437 -ATZ          Reset MCU
1540 +(((
1541 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1542 +)))
1438 1438  
1439 -**Note:**
1544 +(((
1545 +(% style="color:red" %)**Note:**
1546 +)))
1440 1440  
1441 -1. Make sure the device is set to ABP mode in the IoT Server.
1442 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1443 -1. 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.
1444 -1. 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
1548 +(((
1549 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1550 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1551 +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.
1552 +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
1553 +)))
1445 1445  
1446 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1555 +(((
1556 +[[image:1653359097980-169.png||height="188" width="729"]]
1557 +)))
1447 1447  
1559 +(((
1560 +
1561 +)))
1448 1448  
1449 -1.
1450 -11.
1451 -111. Change to Class A
1563 +=== 4.2.3 Change to Class A ===
1452 1452  
1453 1453  If sensor JOINED
1454 -
1455 -AT+CLASS=A
1456 -
1566 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1457 1457  ATZ
1458 1458  
1569 += 5. FAQ =
1459 1459  
1571 +== 5.1 How to upgrade the image? ==
1460 1460  
1461 -
1462 -
1463 -1. FAQ
1464 -
1465 -1.
1466 -11. How to upgrade the image?
1467 -
1468 1468  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1469 1469  
1470 1470  * Support new features
1471 1471  * For bug fix
1472 1472  * Change LoRaWAN bands.
1473 -
1474 1474  Below shows the hardware connection for how to upload an image to the LT:
1579 +* [[image:1653359603330-121.png]]
1475 1475  
1476 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1477 -
1478 -
1479 1479  **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]].
1480 -
1481 1481  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1482 -
1483 1483  **Step3: **Open flashloader; choose the correct COM port to update.
1584 +**For LT-22222-L**:
1585 +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.
1484 1484  
1485 -**For LT-33222-L**:
1587 + [[image:image-20220524103407-12.png]]
1486 1486  
1487 -Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1589 +[[image:image-20220524103429-13.png]]
1488 1488  
1489 -**For LT-22222-L**:
1591 +[[image:image-20220524104033-15.png]]
1490 1490  
1491 -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.
1593 +(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1492 1492  
1595 +[[image:1653360054704-518.png||height="186" width="745"]]
1493 1493  
1597 +(((
1598 +(((
1599 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
1600 +)))
1601 +)))
1494 1494  
1495 -|(((
1496 -Board detected
1603 +(((
1604 +User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1497 1497  )))
1498 1498  
1499 -|(((
1500 -
1607 +(((
1608 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1501 1501  )))
1502 1502  
1503 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1504 -
1505 -
1506 -
1507 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
1508 -
1509 -
1510 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
1511 -
1512 -
1513 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1514 -
1515 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1516 -
1517 -
1518 -1.
1519 -11. How to change the LoRa Frequency Bands/Region?
1520 -
1521 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1522 -
1523 -
1524 -1.
1525 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1526 -
1611 +(((
1612 +(((
1527 1527  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1614 +)))
1615 +)))
1528 1528  
1617 +(((
1618 +(((
1529 1529  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1620 +)))
1621 +)))
1530 1530  
1623 +(((
1624 +(% style="color:#4f81bd" %)**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.
1625 +)))
1531 1531  
1532 -**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.
1627 +(((
1628 +[[image:1653360231087-571.png||height="401" width="727"]]
1629 +)))
1533 1533  
1534 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1631 +(% 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.
1535 1535  
1536 -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.
1633 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1537 1537  
1635 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1636 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1637 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1638 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1639 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1640 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1641 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1642 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1643 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1644 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1538 1538  
1539 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1540 -
1541 -123456   Enter Password to have AT access.
1542 -
1543 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1544 -
1545 -123456   Enter Password to have AT access.
1546 -
1547 -AT+NJM=0 Set to ABP mode
1548 -
1549 -AT+ADR=0 Set the Adaptive Data Rate Off
1550 -
1551 -AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1552 -
1553 -AT+TDC=60000  Set transmit interval to 60 seconds
1554 -
1555 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1556 -
1557 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1558 -
1559 -ATZ                Reset MCU
1560 -
1561 1561  As shown in below:
1562 1562  
1563 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1648 +[[image:1653360498588-932.png||height="485" width="726"]]
1564 1564  
1650 +== 5.4 Can I see counting event in Serial? ==
1565 1565  
1566 -
1567 -1.
1568 -11. Can I see counting event in Serial?
1569 -
1652 +(((
1570 1570  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.
1654 +)))
1571 1571  
1656 +(((
1657 += 6. Trouble Shooting =
1658 +)))
1572 1572  
1660 +(((
1661 +(((
1662 +== 6.1 Downlink doesn’t work, how to solve it? ==
1663 +)))
1664 +)))
1573 1573  
1574 -
1575 -1. Trouble Shooting     
1576 -11. Downlink doesn’t work, how to solve it?
1577 -
1666 +(((
1578 1578  Please see this link for how to debug:
1579 1579  
1669 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1670 +)))
1671 +
1672 +(((
1580 1580  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1674 +)))
1581 1581  
1676 +(((
1677 +== 6.2 Have trouble to upload image. ==
1678 +)))
1582 1582  
1583 -1.
1584 -11. Have trouble to upload image.
1585 -
1680 +(((
1586 1586  See this link for trouble shooting:
1682 +)))
1587 1587  
1684 +(((
1588 1588  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1686 +)))
1589 1589  
1688 +(((
1689 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1690 +)))
1590 1590  
1591 -1.
1592 -11. Why I can’t join TTN in US915 /AU915 bands?
1593 -
1692 +(((
1594 1594  It might be about the channels mapping. Please see this link for detail:
1694 +)))
1595 1595  
1696 +(((
1596 1596  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1698 +)))
1597 1597  
1700 +(((
1701 += 7. Order Info =
1702 +)))
1598 1598  
1704 +(((
1705 +(((
1706 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1707 +)))
1708 +)))
1599 1599  
1710 +(((
1711 +(((
1712 +(% style="color:#4f81bd" %)**XXX:**
1713 +)))
1714 +)))
1600 1600  
1601 -1. Order Info
1716 +* (((
1717 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1718 +)))
1719 +* (((
1720 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1721 +)))
1722 +* (((
1723 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1724 +)))
1725 +* (((
1726 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1727 +)))
1728 +* (((
1729 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1730 +)))
1731 +* (((
1732 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1733 +)))
1734 +* (((
1735 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1736 +)))
1737 +* (((
1738 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1739 +)))
1602 1602  
1603 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1741 +(((
1742 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1604 1604  
1605 -**XXX:**
1744 += 8. Packing Info =
1745 +)))
1606 1606  
1607 -* **EU433**: LT with frequency bands EU433
1608 -* **EU868**: LT with frequency bands EU868
1609 -* **KR920**: LT with frequency bands KR920
1610 -* **CN470**: LT with frequency bands CN470
1611 -* **AS923**: LT with frequency bands AS923
1612 -* **AU915**: LT with frequency bands AU915
1613 -* **US915**: LT with frequency bands US915
1614 -* **IN865**: LT with frequency bands IN865
1615 -* **CN779**: LT with frequency bands CN779
1616 -
1617 -1. Packing Info
1618 -
1747 +(((
1748 +(((
1619 1619  **Package Includes**:
1750 +)))
1751 +)))
1620 1620  
1621 -* LT I/O Controller x 1
1753 +(((
1754 +(((
1755 +* LT-22222-L I/O Controller x 1
1622 1622  * Stick Antenna for LoRa RF part x 1
1623 1623  * Bracket for controller x1
1624 1624  * Program cable x 1
1759 +)))
1760 +)))
1625 1625  
1762 +(((
1763 +(((
1626 1626  **Dimension and weight**:
1765 +)))
1766 +)))
1627 1627  
1768 +(((
1769 +(((
1628 1628  * Device Size: 13.5 x 7 x 3 cm
1629 1629  * Device Weight: 105g
1630 1630  * Package Size / pcs : 14.5 x 8 x 5 cm
1631 1631  * Weight / pcs : 170g
1774 +)))
1775 +)))
1632 1632  
1633 -1. Support
1777 +(((
1778 += 9. Support =
1779 +)))
1634 1634  
1635 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1636 -* 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
1781 +* (((
1782 +(((
1783 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1784 +)))
1785 +)))
1786 +* (((
1787 +(((
1788 +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
1789 +)))
1790 +)))
1637 1637  
1638 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1792 +(((
1793 +(((
1794 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1795 +)))
1796 +
1797 +(((
1798 += 10. Reference​​​​​ =
1799 +
1800 +* Product Page:
1801 +
1802 +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]]
1803 +
1804 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1805 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1806 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1807 +)))
1808 +)))
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