Skip to Content
Last modified by Mengting Qiu on 2025/06/04 18:42
From version 66.21
edited by Xiaoling
on 2022/05/24 13:55
Change comment: There is no comment for this version
To version 25.1
edited by Xiaoling
on 2022/05/24 09:01
Change comment: Uploaded new attachment "image-20220524090106-2.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -45,114 +45,44 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 -(((
49 49  **Hardware System:**
50 -)))
51 51  
52 -* (((
53 -STM32L072CZT6 MCU
54 -)))
55 -* (((
56 -SX1276/78 Wireless Chip 
57 -)))
58 -* (((
59 -(((
60 -Power Consumption:
61 -)))
50 +* STM32L072CZT6 MCU
51 +* SX1276/78 Wireless Chip 
52 +* Power Consumption:
53 +** Idle: 4mA@12v
54 +** 20dB Transmit: 34mA@12v
62 62  
63 -* (((
64 -Idle: 4mA@12v
65 -)))
66 -* (((
67 -20dB Transmit: 34mA@12v
68 -)))
69 -)))
70 -
71 -(((
72 72  **Interface for Model: LT22222-L:**
73 -)))
74 74  
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 -)))
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. 
93 93  
94 -(((
95 95  **LoRa Spec:**
96 -)))
97 97  
98 -* (((
99 -(((
100 -Frequency Range:
101 -)))
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.
102 102  
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 -
156 156  == 1.3 Features ==
157 157  
158 158  * LoRaWAN Class A & Class C protocol
... ... @@ -199,21 +199,13 @@
199 199  
200 200  == 3.1 How it works? ==
201 201  
202 -(((
203 203  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. 
204 -)))
205 205  
206 -(((
207 -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.
208 -)))
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.
209 209  
210 -(((
211 211  3.2 Example to join LoRaWAN network
212 -)))
213 213  
214 -(((
215 215  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
216 -)))
217 217  
218 218  [[image:image-20220523172350-1.png||height="266" width="864"]]
219 219  
... ... @@ -405,7 +405,7 @@
405 405  **ATZ**
406 406  )))
407 407  
408 -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]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
409 409  
410 410  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
411 411  
... ... @@ -440,7 +440,7 @@
440 440  )))
441 441  
442 442  
443 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
444 444  
445 445  **Plus below command for AVI1 Counting:**
446 446  
... ... @@ -492,7 +492,7 @@
492 492  **ATZ**
493 493  )))
494 494  
495 -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]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
496 496  
497 497  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
498 498  
... ... @@ -541,7 +541,7 @@
541 541  
542 542  **Downlink Command to set Trigger Condition**
543 543  
544 -Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
466 +Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
545 545  
546 546  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
547 547  
... ... @@ -561,7 +561,7 @@
561 561  
562 562  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
563 563  
564 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
565 565  
566 566  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
567 567  
... ... @@ -573,11 +573,45 @@
573 573  
574 574  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
575 575  
576 -[[image:image-20220524090106-2.png]]
498 +(% border="1" style="background-color:#f7faff" %)
499 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
500 +|(((
501 +AV1_
577 577  
503 +LOW
504 +)))|(((
505 +AV1_
506 +
507 +HIGH
508 +)))|(((
509 +AV2_
510 +
511 +LOW
512 +)))|(((
513 +AV2_
514 +
515 +HIGH
516 +)))|(((
517 +AC1_
518 +
519 +LOW
520 +)))|(((
521 +AC1_
522 +
523 +HIGH
524 +)))|(((
525 +AC2_
526 +
527 +LOW
528 +)))|(((
529 +AC2_
530 +
531 +HIGH
532 +)))
533 +
578 578  * Each bits shows if the corresponding trigger has been configured.
579 579  
580 -**Example:**
536 +Example:
581 581  
582 582  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
583 583  
... ... @@ -584,22 +584,60 @@
584 584  
585 585  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
586 586  
587 -[[image:image-20220524090249-3.png]]
543 +(% border="1" style="background-color:#f7faff" %)
544 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
545 +|(((
546 +AV1_
588 588  
548 +LOW
549 +)))|(((
550 +AV1_
551 +
552 +HIGH
553 +)))|(((
554 +AV2_
555 +
556 +LOW
557 +)))|(((
558 +AV2_
559 +
560 +HIGH
561 +)))|(((
562 +AC1_
563 +
564 +LOW
565 +)))|(((
566 +AC1_
567 +
568 +HIGH
569 +)))|(((
570 +AC2_
571 +
572 +LOW
573 +)))|(((
574 +AC2_
575 +
576 +HIGH
577 +)))
578 +
589 589  * Each bits shows which status has been trigger on this uplink.
590 590  
591 -**Example:**
581 +Example:
592 592  
593 593  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
594 594  
595 595  
586 +
587 +
596 596  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
597 597  
598 -[[image:image-20220524090456-4.png]]
590 +(% border="1" style="background-color:#f7faff" %)
591 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
592 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
599 599  
600 600  * Each bits shows which status has been trigger on this uplink.
601 601  
602 -**Example:**
596 +Example:
603 603  
604 604  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
605 605  
... ... @@ -608,115 +608,115 @@
608 608  
609 609  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
610 610  
605 +
611 611  Downlink command to poll MOD6 status:
612 612  
613 -**AB 06**
608 +AB 06
614 614  
615 615  When device got this command, it will send the MOD6 payload.
616 616  
617 -=== 3.3.7 Payload Decoder ===
618 618  
619 -(((
613 +1.
614 +11.
615 +111. Payload Decoder
616 +
620 620  **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/]]
621 -)))
622 622  
623 -== 3.4 ​Configure LT via AT or Downlink ==
624 624  
625 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
626 626  
627 -(((
621 +
622 +
623 +
624 +
625 +1.
626 +11. ​Configure LT via AT or Downlink
627 +
628 +User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
629 +
628 628  There are two kinds of Commands:
629 -)))
630 630  
631 -* (% 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
632 +* **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
632 632  
633 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
634 +* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
634 634  
635 -=== 3.4.1 Common Commands ===
636 +1.
637 +11.
638 +111. Common Commands:
636 636  
637 -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/]]
640 +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
638 638  
639 -=== 3.4.2 Sensor related commands ===
640 640  
641 -==== 3.4.2.1 Set Transmit Interval ====
643 +1.
644 +11.
645 +111. Sensor related commands:
642 642  
647 +==== Set Transmit Interval ====
648 +
643 643  Set device uplink interval.
644 644  
645 645  * AT Command:
646 646  
647 -(% class="box infomessage" %)
648 -(((
649 -**AT+TDC=N **
650 -)))
653 +AT+TDC=N
651 651  
652 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
655 +Example: AT+TDC=30000. Means set interval to 30 seconds
653 653  
657 +
654 654  * Downlink Payload (prefix 0x01):
655 655  
656 -(% class="box infomessage" %)
657 -(((
658 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
659 -)))
660 +0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
660 660  
661 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
662 662  
663 +==== Set Work Mode (AT+MOD) ====
664 +
663 663  Set work mode.
664 664  
665 665  * AT Command:
666 666  
667 -(% class="box infomessage" %)
668 -(((
669 -**AT+MOD=N  **
670 -)))
669 +AT+MOD=N 
671 671  
672 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
671 +Example: AT+MOD=2. Set work mode to Double DI counting mode
673 673  
673 +
674 674  * Downlink Payload (prefix 0x0A):
675 675  
676 -(% class="box infomessage" %)
677 -(((
678 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
679 -)))
676 +0x0A aa     ~/~/ Same as AT+MOD=aa
680 680  
681 -==== 3.4.2.3 Poll an uplink ====
682 682  
679 +
680 +==== Poll an uplink ====
681 +
683 683  * AT Command:
684 684  
685 685  There is no AT Command to poll uplink
686 686  
686 +
687 687  * Downlink Payload (prefix 0x08):
688 688  
689 -(% class="box infomessage" %)
690 -(((
691 -**0x08 FF     ~/~/ Poll an uplink,**
692 -)))
689 +0x08 FF     ~/~/ Poll an uplink,
693 693  
694 -**Example**: 0x08FF, ask device to send an Uplink
691 +Example: 0x08FF, ask device to send an Uplink
695 695  
696 -==== 3.4.2.4 Enable Trigger Mode ====
697 697  
698 -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]]
694 +==== Enable Trigger Mode ====
699 699  
696 +Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
697 +
700 700  * AT Command:
701 701  
702 -(% class="box infomessage" %)
703 -(((
704 -**AT+ADDMOD6=1 or 0**
705 -)))
700 +AT+ADDMOD6=1 or 0
706 706  
707 707  1: Enable Trigger Mode
708 708  
709 709  0: Disable Trigger Mode
710 710  
706 +
711 711  * Downlink Payload (prefix 0x0A 06):
712 712  
713 -(% class="box infomessage" %)
714 -(((
715 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
716 -)))
709 +0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
717 717  
718 -==== 3.4.2.5 Poll trigger settings ====
719 719  
712 +==== Poll trigger settings ====
713 +
720 720  Poll trigger settings,
721 721  
722 722  * AT Command:
... ... @@ -723,337 +723,339 @@
723 723  
724 724  There is no AT Command for this feature.
725 725  
720 +
726 726  * Downlink Payload (prefix 0x AB 06):
727 727  
728 -(% class="box infomessage" %)
729 -(((
730 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
731 -)))
723 +0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
732 732  
733 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
734 734  
726 +==== Enable / Disable DI1/DI2/DI3 as trigger ====
727 +
735 735  Enable Disable DI1/DI2/DI2 as trigger,
736 736  
737 737  * AT Command:
738 738  
739 -(% class="box infomessage" %)
740 -(((
741 -**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
742 -)))
732 +Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
743 743  
744 -**Example:**
734 +Example:
745 745  
746 746  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
747 747  
738 +
739 +
748 748  * Downlink Payload (prefix 0xAA 02):
749 749  
750 -(% class="box infomessage" %)
751 -(((
752 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
753 -)))
742 +0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
754 754  
755 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
756 756  
745 +
746 +==== Trigger1 – Set DI1 or DI3 as trigger ====
747 +
757 757  Set DI1 or DI3(for LT-33222-L) trigger.
758 758  
759 759  * AT Command:
760 760  
761 -(% class="box infomessage" %)
762 -(((
763 -**AT+TRIG1=a,b**
764 -)))
752 +AT+TRIG1=a,b
765 765  
766 766  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
767 767  
768 768  b : delay timing.
769 769  
770 -**Example:**
758 +Example:
771 771  
772 772  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
773 773  
762 +
774 774  * Downlink Payload (prefix 0x09 01 ):
775 775  
776 -(% class="box infomessage" %)
777 -(((
778 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
779 -)))
765 +0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
780 780  
781 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
782 782  
768 +==== Trigger2 – Set DI2 as trigger ====
769 +
783 783  Set DI2 trigger.
784 784  
785 785  * AT Command:
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -**AT+TRIG2=a,b**
790 -)))
774 +AT+TRIG2=a,b
791 791  
792 792  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
793 793  
794 794  b : delay timing.
795 795  
796 -**Example:**
780 +Example:
797 797  
798 798  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
799 799  
784 +
800 800  * Downlink Payload (prefix 0x09 02 ):
801 801  
802 -(% class="box infomessage" %)
803 -(((
804 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
805 -)))
787 +0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
806 806  
807 -==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
808 808  
809 -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]]
790 +==== Trigger – Set AC (current) as trigger ====
810 810  
792 +Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
793 +
811 811  * AT Command:
812 812  
813 -(% class="box infomessage" %)
814 -(((
815 -**AT+ACLIM. **
816 -)))
796 +AT+ACLIM. See [[trigger mode>>path:#MOD6]]
817 817  
798 +
818 818  * Downlink Payload (prefix 0xAA 01 ):
819 819  
820 -(% class="box infomessage" %)
821 -(((
822 -**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]]**
823 -)))
801 +0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
824 824  
825 -==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
826 826  
827 -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]]
804 +==== Trigger – Set AV (voltage) as trigger ====
828 828  
806 +Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
807 +
829 829  * AT Command:
830 830  
831 -(% class="box infomessage" %)
832 -(((
833 -**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]]**
834 -)))
810 +AT+AVLIM. See [[trigger mode>>path:#MOD6]]
835 835  
812 +
836 836  * Downlink Payload (prefix 0xAA 00 ):
837 837  
838 -(% class="box infomessage" %)
839 -(((
840 -**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]] **
841 -)))
815 +0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
842 842  
843 -==== 3.4.2.11 Trigger – Set minimum interval ====
817 +==== Trigger – Set minimum interval ====
844 844  
845 845  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
846 846  
847 847  * AT Command:
848 848  
849 -(% class="box infomessage" %)
850 -(((
851 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
852 -)))
823 +AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
853 853  
825 +
854 854  * Downlink Payload (prefix 0xAC ):
855 855  
856 -(% class="box infomessage" %)
857 -(((
858 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
859 -)))
828 +0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
860 860  
861 -==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
862 862  
831 +==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
832 +
863 863  * AT Command:
864 864  
865 865  There is no AT Command to control Digital Output
866 866  
837 +
867 867  * Downlink Payload (prefix 0x02):
868 868  
869 -(% class="box infomessage" %)
870 -(((
871 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
872 -)))
840 +0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
873 873  
874 -(((
875 875  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
876 -)))
877 877  
878 -(((
879 879  01: Low,  00: High ,  11: No action
880 -)))
881 881  
882 -[[image:image-20220524092754-5.png]]
846 +(% border="1" style="background-color:#f7faff" %)
847 +|Downlink Code|DO1|DO2|DO3
848 +|02  01  00  11|Low|High|No Action
849 +|02  00  11  01|High|No Action|Low
850 +|02  11  01  00|No Action|Low|High
883 883  
884 -(((
885 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
886 -)))
852 +Note: For LT-22222-L, there is no DO3, the last byte can use any value.
887 887  
888 -(((
889 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
890 -)))
854 +Device will upload a packet if downlink code executes successfully.
891 891  
892 892  
893 -==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
894 894  
858 +
859 +
860 +==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
861 +
895 895  * AT Command:
896 896  
897 897  There is no AT Command to control Digital Output
898 898  
866 +
899 899  * Downlink Payload (prefix 0xA9):
900 900  
901 -(% class="box infomessage" %)
902 -(((
903 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
904 -)))
869 +0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
905 905  
906 906  This is to control the digital output time of DO pin. Include four bytes:
907 907  
908 -(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
873 +**First Byte:** Type code (0xA9)
909 909  
910 -(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
875 +**Second Byte**: Inverter Mode
911 911  
912 912  01: DO pins will change back to original state after timeout.
913 913  
914 914  00: DO pins will change to an inverter state after timeout 
915 915  
916 -(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
917 917  
918 -[[image:image-20220524093238-6.png]]
882 +**Third Byte**: Control Method and Ports status:
919 919  
920 -(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
884 +(% border="1" style="background-color:#f7faff" %)
885 +|Second Byte|Status
886 +|0x01|DO1 set to low
887 +|0x00|DO1 set to high
888 +|0x11|DO1 NO Action
921 921  
922 -[[image:image-20220524093328-7.png]]
890 +**Fourth Byte**: Control Method and Ports status:
923 923  
924 -(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
892 +(% border="1" style="background-color:#f7faff" %)
893 +|Second Byte|Status
894 +|0x01|DO2 set to low
895 +|0x00|DO2 set to high
896 +|0x11|DO2 NO Action
925 925  
926 -[[image:image-20220524093351-8.png]]
898 +**Fifth Byte**: Control Method and Ports status:
927 927  
928 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
900 +(% border="1" style="background-color:#f7faff" %)
901 +|Second Byte|Status
902 +|0x01|DO3 set to low
903 +|0x00|DO3 set to high
904 +|0x11|DO3 NO Action
929 929  
906 +**Sixth and Seventh Byte**:
907 +
930 930   Latching time. Unit: ms
931 931  
932 932  Device will upload a packet if downlink code executes successfully.
933 933  
934 -**Example payload:**
935 935  
936 -**~1. A9 01 01 01 01 07 D0**
937 937  
914 +Example payload:
915 +
916 +1. A9 01 01 01 01 07 D0
917 +
938 938  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
939 939  
940 -**2. A9 01 00 01 11 07 D0**
941 941  
921 +1. A9 01 00 01 11 07 D0
922 +
942 942  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
943 943  
944 -**3. A9 00 00 00 00 07 D0**
945 945  
926 +1. A9 00 00 00 00 07 D0
927 +
946 946  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
947 947  
948 -**4. A9 00 11 01 00 07 D0**
949 949  
931 +1. A9 00 11 01 00 07 D0
932 +
950 950  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
951 951  
952 952  
953 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
954 954  
937 +
938 +==== Relay ~-~- Control Relay Output RO1/RO2 ====
939 +
955 955  * AT Command:
956 956  
957 957  There is no AT Command to control Relay Output
958 958  
944 +
959 959  * Downlink Payload (prefix 0x03):
960 960  
961 -(% class="box infomessage" %)
962 -(((
963 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
964 -)))
947 +0x03 aa bb     ~/~/ Set RO1/RO2 output
965 965  
966 -(((
967 967  If payload = 0x030100, it means set RO1 to close and RO2 to open.
968 -)))
969 969  
970 -(((
971 971  01: Close ,  00: Open , 11: No action
972 -)))
973 973  
974 -(((
975 -[[image:image-20220524093724-9.png]]
976 -)))
953 +(% border="1" style="background-color:#f7faff" %)
954 +|Downlink Code|RO1|RO2
955 +|03  00  11|Open|No Action
956 +|03  01  11|Close|No Action
957 +|03  11  00|No Action|Open
958 +|03  11  01|No Action|Close
959 +|03  00  00|Open|Open
960 +|03  01  01|Close|Close
961 +|03  01  00|Close|Open
962 +|03  00  01|Open|Close
977 977  
978 978  Device will upload a packet if downlink code executes successfully.
979 979  
980 980  
981 -==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
967 +==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
982 982  
983 983  * AT Command:
984 984  
985 985  There is no AT Command to control Relay Output
986 986  
973 +
987 987  * Downlink Payload (prefix 0x05):
988 988  
989 -(% class="box infomessage" %)
990 -(((
991 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
992 -)))
976 +0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
993 993  
994 994  This is to control the relay output time of relay. Include four bytes:
995 995  
996 -(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
980 +**First Byte:** Type code (0x05)
997 997  
998 -(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
982 +**Second Byte(aa)**: Inverter Mode
999 999  
1000 1000  01: Relays will change back to original state after timeout.
1001 1001  
1002 1002  00: Relays will change to an inverter state after timeout
1003 1003  
1004 -(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1005 1005  
1006 -[[image:image-20220524093831-10.png]]
989 +**Third Byte(bb)**: Control Method and Ports status:
1007 1007  
1008 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
991 +(% border="1" style="background-color:#f7faff" %)
992 +|Value|Status
993 +|0x11|RO1 and RO2 to NO
994 +|0x10|RO2 to NO, RO1 to NC
995 +|0x01|RO2 to NC, RO1 to NO
996 +|0x00|RO1 and RO2 to NC.
997 +|0x20|RO1 No Action, RO2 to NC
998 +|0x21|RO1 No Action, RO2 to NO
999 +|0x02|RO1 to NC, RO2 No Action
1000 +|0x12|RO1 to NO, RO2 No Action
1009 1009  
1002 +**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1003 +
1010 1010  Device will upload a packet if downlink code executes successfully.
1011 1011  
1006 +
1007 +
1012 1012  **Example payload:**
1013 1013  
1014 -**~1. 05 01 11 07 D0**
1010 +1. 05 01 11 07 D0
1015 1015  
1016 1016  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1017 1017  
1018 -**2. 05 01 10 07 D0**
1019 1019  
1015 +1. 05 01 10 07 D0
1016 +
1020 1020  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1021 1021  
1022 -**3. 05 00 01 07 D0**
1023 1023  
1020 +1. 05 00 01 07 D0
1021 +
1024 1024  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1025 1025  
1026 -**4. 05 00 00 07 D0**
1027 1027  
1025 +1. 05 00 00 07 D0
1026 +
1028 1028  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1029 1029  
1030 1030  
1031 -==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1032 1032  
1033 -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]]
1034 1034  
1032 +
1033 +
1034 +==== Counting ~-~- Voltage threshold counting ====
1035 +
1036 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
1037 +
1035 1035  * AT Command:
1036 1036  
1037 -(% class="box infomessage" %)
1038 -(((
1039 -**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]]**
1040 -)))
1040 +AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1041 1041  
1042 +
1042 1042  * Downlink Payload (prefix 0xA5):
1043 1043  
1044 -(% class="box infomessage" %)
1045 -(((
1046 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1047 -)))
1045 +0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1048 1048  
1049 -==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1050 1050  
1048 +==== Counting ~-~- Pre-configure the Count Number ====
1049 +
1051 1051  * AT Command:
1052 1052  
1053 -(% class="box infomessage" %)
1054 -(((
1055 -**AT+SETCNT=aa,(bb cc dd ee) **
1056 -)))
1052 +AT+SETCNT=aa,(bb cc dd ee)
1057 1057  
1058 1058  aa: 1: Set count1,
1059 1059  
... ... @@ -1063,109 +1063,115 @@
1063 1063  
1064 1064  Bb cc dd ee: number to be set
1065 1065  
1062 +
1066 1066  * Downlink Payload (prefix 0xA8):
1067 1067  
1068 -(% class="box infomessage" %)
1069 -(((
1070 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1071 -)))
1065 +0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1072 1072  
1073 -==== 3.4.2.18 Counting ~-~- Clear Counting ====
1074 1074  
1068 +
1069 +
1070 +
1071 +==== Counting ~-~- Clear Counting ====
1072 +
1075 1075  Clear counting for counting mode
1076 1076  
1077 1077  * AT Command:
1078 1078  
1079 -(% class="box infomessage" %)
1080 -(((
1081 -**AT+CLRCOUNT ~/~/ clear all counting**
1082 -)))
1077 +AT+CLRCOUNT ~/~/ clear all counting
1083 1083  
1079 +
1084 1084  * Downlink Payload (prefix 0xA6):
1085 1085  
1086 -(% class="box infomessage" %)
1087 -(((
1088 -**0x A6 01     ~/~/ clear all counting,**
1089 -)))
1082 +0x A6 01     ~/~/ clear all counting,
1090 1090  
1091 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1092 1092  
1085 +
1086 +
1087 +==== Counting ~-~- Change counting mode save time ====
1088 +
1093 1093  * AT Command:
1094 1094  
1095 -(% class="box infomessage" %)
1096 -(((
1097 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1098 -)))
1091 +AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1099 1099  
1093 +
1100 1100  * Downlink Payload (prefix 0xA7):
1101 1101  
1102 -(% class="box infomessage" %)
1103 -(((
1104 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1105 -)))
1096 +0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1106 1106  
1107 1107  range: aa bb cc:0 to 16777215,  (unit:second)
1108 1108  
1109 -== 3.5 Integrate with Mydevice ==
1110 1110  
1101 +
1102 +
1103 +1.
1104 +11. Integrate with Mydevice
1105 +
1111 1111  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:
1112 1112  
1113 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1114 1114  
1115 -**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 +Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1116 1116  
1117 -[[image:1653356737703-362.png||height="232" width="732"]]
1111 +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:
1118 1118  
1119 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1120 1120  
1114 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1121 1121  
1122 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1123 1123  
1124 -**Step 3**: Create an account or log in Mydevices.
1117 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1125 1125  
1126 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1127 1127  
1120 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1121 +
1122 +
1123 +
1124 +Step 3: Create an account or log in Mydevices.
1125 +
1126 +Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1127 +
1128 1128  Search under The things network
1129 1129  
1130 -[[image:1653356838789-523.png||height="337" width="740"]]
1130 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1131 1131  
1132 +
1132 1132  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1133 1133  
1134 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1135 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1135 1135  
1136 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1137 1137  
1138 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1138 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1139 1139  
1140 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1141 1141  
1142 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1141 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1143 1143  
1144 -== 3.6 Interface Detail ==
1145 1145  
1146 -=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1144 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1147 1147  
1146 +
1147 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1148 +
1149 +
1150 +1.
1151 +11. Interface Detail
1152 +111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1153 +
1148 1148  Support NPN Type sensor
1149 1149  
1150 -[[image:1653356991268-289.png]]
1156 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1151 1151  
1152 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1153 1153  
1154 -(((
1159 +
1160 +1.
1161 +11.
1162 +111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1163 +
1155 1155  The DI port of LT-22222-L can support NPN or PNP output sensor.
1156 -)))
1157 1157  
1158 -(((
1159 -(((
1160 1160  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
1161 -)))
1162 -)))
1163 1163  
1164 -[[image:1653357170703-587.png]]
1168 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1165 1165  
1166 -(((
1167 1167  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1168 -)))
1169 1169  
1170 1170  
1171 1171  **Example1**: Connect to a Low active sensor.
... ... @@ -1175,11 +1175,11 @@
1175 1175  * Connect sensor’s output to DI1-
1176 1176  * Connect sensor’s VCC to DI1+.
1177 1177  
1178 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1180 +So when sensor active, the current between NEC2501 pin1 and pin2 is:
1179 1179  
1180 - //IF// = DI1+ / 1K.
1182 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1181 1181  
1182 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1184 +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.
1183 1183  
1184 1184  
1185 1185  **Example2**: Connect to a High active sensor.
... ... @@ -1191,12 +1191,12 @@
1191 1191  
1192 1192  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1193 1193  
1194 -[[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.**
1196 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1195 1195  
1196 -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.
1198 +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.
1197 1197  
1198 1198  
1199 -**Example3**: Connect to a 220v high active sensor.
1201 +**Example3**: Connect to a 220v high active sensor.公司测试一下
1200 1200  
1201 1201  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1202 1202  
... ... @@ -1205,24 +1205,34 @@
1205 1205  
1206 1206  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1207 1207  
1208 - [[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.**
1210 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1209 1209  
1210 -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.
1212 +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.
1211 1211  
1212 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1213 1213  
1215 +1.
1216 +11.
1217 +111. Digital Output Port: DO1/DO2 /DO3
1218 +
1214 1214  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1215 1215  
1216 -[[image:1653357531600-905.png]]
1221 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1217 1217  
1218 -=== 3.6.4 Analog Input Interface ===
1219 1219  
1224 +
1225 +
1226 +1.
1227 +11.
1228 +111. Analog Input Interface
1229 +
1220 1220  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:
1221 1221  
1222 -**AC2 = (IN2 voltage )/12**
1232 +AC2 = (IN2 voltage )/12
1223 1223  
1224 -[[image:1653357592296-182.png]]
1234 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1225 1225  
1236 +
1237 +
1226 1226  Example to connect a 4~~20mA sensor
1227 1227  
1228 1228  We take the wind speed sensor as an example for reference only.
... ... @@ -1238,579 +1238,423 @@
1238 1238  
1239 1239  Connection diagram:
1240 1240  
1241 -[[image:1653357640609-758.png]]
1253 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1242 1242  
1243 -[[image:1653357648330-671.png||height="155" width="733"]]
1255 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1244 1244  
1245 -=== 3.6.5 Relay Output ===
1246 1246  
1247 -(((
1258 +
1259 +1.
1260 +11.
1261 +111. Relay Output
1262 +
1248 1248  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:
1249 -)))
1250 1250  
1251 -[[image:image-20220524100215-9.png]]
1265 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1252 1252  
1253 -[[image:image-20220524100215-10.png||height="382" width="723"]]
1254 1254  
1255 -== 3.7 LEDs Indicators ==
1268 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1256 1256  
1257 -[[image:image-20220524100748-11.png]]
1258 1258  
1259 -= 4. Use AT Command =
1260 1260  
1261 -== 4.1 Access AT Command ==
1262 1262  
1273 +
1274 +1.
1275 +11. LEDs Indicators
1276 +
1277 +(% border="1" style="background-color:#f7faff" %)
1278 +|**LEDs**|**Feature**
1279 +|**PWR**|Always on if there is power
1280 +|**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.
1281 +|**TX**|(((
1282 +Device boot: TX blinks 5 times.
1283 +
1284 +Successful join network: TX ON for 5 seconds.
1285 +
1286 +Transmit a LoRa packet: TX blinks once
1287 +)))
1288 +|**RX**|RX blinks once when receive a packet.
1289 +|**DO1**|
1290 +|**DO2**|
1291 +|**DO3**|
1292 +|**DI2**|(((
1293 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1294 +
1295 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1296 +)))
1297 +|**DI2**|(((
1298 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1299 +
1300 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1301 +)))
1302 +|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1303 +|**DI2**|(((
1304 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1305 +
1306 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1307 +)))
1308 +|**RO1**|
1309 +|**RO2**|
1310 +
1311 +1. Use AT Command
1312 +11. Access AT Command
1313 +
1263 1263  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.
1264 1264  
1265 -[[image:1653358238933-385.png]]
1316 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1266 1266  
1267 -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:
1268 1268  
1269 -[[image:1653358355238-883.png]]
1319 +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:
1270 1270  
1321 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1322 +
1323 +
1271 1271  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/]]
1272 1272  
1273 -(((
1274 1274  AT+<CMD>?        : Help on <CMD>
1275 -)))
1276 1276  
1277 -(((
1278 1278  AT+<CMD>         : Run <CMD>
1279 -)))
1280 1280  
1281 -(((
1282 1282  AT+<CMD>=<value> : Set the value
1283 -)))
1284 1284  
1285 -(((
1286 1286  AT+<CMD>=?       : Get the value
1287 -)))
1288 1288  
1289 -(((
1290 1290  ATZ: Trig a reset of the MCU
1291 -)))
1292 1292  
1293 -(((
1294 1294  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1295 -)))
1296 1296  
1297 -(((
1298 1298  AT+DEUI: Get or Set the Device EUI
1299 -)))
1300 1300  
1301 -(((
1302 1302  AT+DADDR: Get or Set the Device Address
1303 -)))
1304 1304  
1305 -(((
1306 1306  AT+APPKEY: Get or Set the Application Key
1307 -)))
1308 1308  
1309 -(((
1310 1310  AT+NWKSKEY: Get or Set the Network Session Key
1311 -)))
1312 1312  
1313 -(((
1314 1314  AT+APPSKEY: Get or Set the Application Session Key
1315 -)))
1316 1316  
1317 -(((
1318 1318  AT+APPEUI: Get or Set the Application EUI
1319 -)))
1320 1320  
1321 -(((
1322 1322  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1323 -)))
1324 1324  
1325 -(((
1326 1326  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1327 -)))
1328 1328  
1329 -(((
1330 1330  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1331 -)))
1332 1332  
1333 -(((
1334 1334  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1335 -)))
1336 1336  
1337 -(((
1338 1338  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1339 -)))
1340 1340  
1341 -(((
1342 1342  AT+RX2FQ: Get or Set the Rx2 window frequency
1343 -)))
1344 1344  
1345 -(((
1346 1346  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1347 -)))
1348 1348  
1349 -(((
1350 1350  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1351 -)))
1352 1352  
1353 -(((
1354 1354  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1355 -)))
1356 1356  
1357 -(((
1358 1358  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1359 -)))
1360 1360  
1361 -(((
1362 1362  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1363 -)))
1364 1364  
1365 -(((
1366 1366  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1367 -)))
1368 1368  
1369 -(((
1370 1370  AT+NWKID: Get or Set the Network ID
1371 -)))
1372 1372  
1373 -(((
1374 1374  AT+FCU: Get or Set the Frame Counter Uplink
1375 -)))
1376 1376  
1377 -(((
1378 1378  AT+FCD: Get or Set the Frame Counter Downlink
1379 -)))
1380 1380  
1381 -(((
1382 1382  AT+CLASS: Get or Set the Device Class
1383 -)))
1384 1384  
1385 -(((
1386 1386  AT+JOIN: Join network
1387 -)))
1388 1388  
1389 -(((
1390 1390  AT+NJS: Get OTAA Join Status
1391 -)))
1392 1392  
1393 -(((
1394 1394  AT+SENDB: Send hexadecimal data along with the application port
1395 -)))
1396 1396  
1397 -(((
1398 1398  AT+SEND: Send text data along with the application port
1399 -)))
1400 1400  
1401 -(((
1402 1402  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1403 -)))
1404 1404  
1405 -(((
1406 1406  AT+RECV: Print last received data in raw format
1407 -)))
1408 1408  
1409 -(((
1410 1410  AT+VER: Get current image version and Frequency Band
1411 -)))
1412 1412  
1413 -(((
1414 1414  AT+CFM: Get or Set the confirmation mode (0-1)
1415 -)))
1416 1416  
1417 -(((
1418 1418  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1419 -)))
1420 1420  
1421 -(((
1422 1422  AT+SNR: Get the SNR of the last received packet
1423 -)))
1424 1424  
1425 -(((
1426 1426  AT+RSSI: Get the RSSI of the last received packet
1427 -)))
1428 1428  
1429 -(((
1430 1430  AT+TDC: Get or set the application data transmission interval in ms
1431 -)))
1432 1432  
1433 -(((
1434 1434  AT+PORT: Get or set the application port
1435 -)))
1436 1436  
1437 -(((
1438 1438  AT+DISAT: Disable AT commands
1439 -)))
1440 1440  
1441 -(((
1442 1442  AT+PWORD: Set password, max 9 digits
1443 -)))
1444 1444  
1445 -(((
1446 1446  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1447 -)))
1448 1448  
1449 -(((
1450 1450  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1451 -)))
1452 1452  
1453 -(((
1454 1454  AT+CFG: Print all settings
1455 -)))
1456 1456  
1457 -== 4.2 Common AT Command Sequence ==
1458 1458  
1459 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1460 1460  
1461 -(((
1420 +1.
1421 +11. Common AT Command Sequence
1422 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1423 +
1462 1462  If device has not joined network yet:
1463 -)))
1464 1464  
1465 -(((
1466 -(% style="background-color:#dcdcdc" %)123456
1467 -)))
1426 +123456
1468 1468  
1469 -(((
1470 -(% style="background-color:#dcdcdc" %)AT+FDR
1471 -)))
1428 +AT+FDR
1472 1472  
1473 -(((
1474 -(% style="background-color:#dcdcdc" %)123456
1475 -)))
1430 +123456
1476 1476  
1477 -(((
1478 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1479 -)))
1432 +AT+NJM=0
1480 1480  
1481 -(((
1482 -(% style="background-color:#dcdcdc" %)ATZ
1483 -)))
1434 +ATZ
1484 1484  
1485 1485  
1486 -(((
1487 1487  If device already joined network:
1488 -)))
1489 1489  
1490 -(((
1491 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1492 -)))
1439 +AT+NJM=0
1493 1493  
1494 -(((
1495 -(% style="background-color:#dcdcdc" %)ATZ
1496 -)))
1441 +ATZ
1497 1497  
1498 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1443 +1.
1444 +11.
1445 +111. Single-channel ABP mode (Use with LG01/LG02)
1499 1499  
1500 -(((
1501 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1502 -)))
1447 +123456   Enter Password to have AT access.
1503 1503  
1504 -(((
1505 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1506 -)))
1449 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1507 1507  
1508 -(((
1509 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1510 -)))
1451 +123456   Enter Password to have AT access.
1511 1511  
1512 -(((
1513 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1514 -)))
1453 +AT+CLASS=C Set to work in CLASS C
1515 1515  
1516 -(((
1517 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1518 -)))
1455 +AT+NJM=0 Set to ABP mode
1519 1519  
1520 -(((
1521 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1522 -)))
1457 +AT+ADR=0 Set the Adaptive Data Rate Off
1523 1523  
1524 -(((
1525 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1526 -)))
1459 +AT+DR=5  Set Data Rate
1527 1527  
1528 -(((
1529 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1530 -)))
1461 +AT+TDC=60000  Set transmit interval to 60 seconds
1531 1531  
1532 -(((
1533 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1534 -)))
1463 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1535 1535  
1536 -(((
1537 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1538 -)))
1465 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1539 1539  
1540 -(((
1541 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1542 -)))
1467 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1543 1543  
1544 -(((
1545 -(% 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.
1546 -)))
1469 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1547 1547  
1548 -(((
1549 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1550 -)))
1471 +ATZ          Reset MCU
1551 1551  
1552 -(((
1553 -(% style="color:red" %)**Note:**
1554 -)))
1473 +**Note:**
1555 1555  
1556 -(((
1557 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1558 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1559 -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.
1560 -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
1561 -)))
1475 +1. Make sure the device is set to ABP mode in the IoT Server.
1476 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1477 +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.
1478 +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
1562 1562  
1563 -(((
1564 -[[image:1653359097980-169.png||height="188" width="729"]]
1565 -)))
1480 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1566 1566  
1567 -(((
1568 -
1569 -)))
1570 1570  
1571 -=== 4.2.3 Change to Class A ===
1483 +1.
1484 +11.
1485 +111. Change to Class A
1572 1572  
1573 1573  If sensor JOINED
1574 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1488 +
1489 +AT+CLASS=A
1490 +
1575 1575  ATZ
1576 1576  
1577 -= 5. FAQ =
1578 1578  
1579 -== 5.1 How to upgrade the image? ==
1580 1580  
1495 +
1496 +
1497 +1. FAQ
1498 +
1499 +1.
1500 +11. How to upgrade the image?
1501 +
1581 1581  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1582 1582  
1583 1583  * Support new features
1584 1584  * For bug fix
1585 1585  * Change LoRaWAN bands.
1507 +
1586 1586  Below shows the hardware connection for how to upload an image to the LT:
1587 -* [[image:1653359603330-121.png]]
1588 1588  
1510 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1511 +
1512 +
1589 1589  **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]].
1514 +
1590 1590  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1516 +
1591 1591  **Step3: **Open flashloader; choose the correct COM port to update.
1592 -**For LT-22222-L**:
1593 -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.
1594 1594  
1595 - [[image:image-20220524103407-12.png]]
1519 +**For LT-33222-L**:
1596 1596  
1597 -[[image:image-20220524103429-13.png]]
1521 +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.
1598 1598  
1599 -[[image:image-20220524104033-15.png]]
1523 +**For LT-22222-L**:
1600 1600  
1601 -(% 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:
1525 +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.
1602 1602  
1603 -[[image:1653360054704-518.png||height="186" width="745"]]
1604 1604  
1605 -(((
1606 -(((
1607 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1608 -)))
1609 -)))
1610 1610  
1611 -(((
1612 -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.
1529 +|(((
1530 +Board detected
1613 1613  )))
1614 1614  
1615 -(((
1616 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1533 +|(((
1534 +
1617 1617  )))
1618 1618  
1619 -(((
1620 -(((
1537 +[[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]]
1538 +
1539 +
1540 +
1541 +[[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]]
1542 +
1543 +
1544 +[[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]]
1545 +
1546 +
1547 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1548 +
1549 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1550 +
1551 +
1552 +1.
1553 +11. How to change the LoRa Frequency Bands/Region?
1554 +
1555 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1556 +
1557 +
1558 +1.
1559 +11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1560 +
1621 1621  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1622 -)))
1623 -)))
1624 1624  
1625 -(((
1626 -(((
1627 1627  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1628 -)))
1629 -)))
1630 1630  
1631 -(((
1632 -(% 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.
1633 -)))
1634 1634  
1635 -(((
1636 -[[image:1653360231087-571.png||height="401" width="727"]]
1637 -)))
1566 +**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.
1638 1638  
1639 -(% 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.
1568 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1640 1640  
1641 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1570 +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.
1642 1642  
1643 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1644 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1645 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1646 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1647 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1648 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1649 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1650 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1651 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1652 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1653 1653  
1573 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1574 +
1575 +123456   Enter Password to have AT access.
1576 +
1577 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1578 +
1579 +123456   Enter Password to have AT access.
1580 +
1581 +AT+NJM=0 Set to ABP mode
1582 +
1583 +AT+ADR=0 Set the Adaptive Data Rate Off
1584 +
1585 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1586 +
1587 +AT+TDC=60000  Set transmit interval to 60 seconds
1588 +
1589 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1590 +
1591 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1592 +
1593 +ATZ                Reset MCU
1594 +
1654 1654  As shown in below:
1655 1655  
1656 -[[image:1653360498588-932.png||height="485" width="726"]]
1597 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1657 1657  
1658 -== 5.4 Can I see counting event in Serial? ==
1659 1659  
1660 -(((
1600 +
1601 +1.
1602 +11. Can I see counting event in Serial?
1603 +
1661 1661  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.
1662 -)))
1663 1663  
1664 -(((
1665 -= 6. Trouble Shooting =
1666 -)))
1667 1667  
1668 -(((
1669 -(((
1670 -== 6.1 Downlink doesn’t work, how to solve it? ==
1671 -)))
1672 -)))
1673 1673  
1674 -(((
1675 -Please see this link for how to debug:
1676 1676  
1677 -[[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/]]
1678 -)))
1609 +1. Trouble Shooting     
1610 +11. Downlink doesn’t work, how to solve it?
1679 1679  
1680 -(((
1612 +Please see this link for how to debug:
1613 +
1681 1681  [[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]]
1682 -)))
1683 1683  
1684 -(((
1685 -== 6.2 Have trouble to upload image. ==
1686 -)))
1687 1687  
1688 -(((
1617 +1.
1618 +11. Have trouble to upload image.
1619 +
1689 1689  See this link for trouble shooting:
1690 -)))
1691 1691  
1692 -(((
1693 1693  [[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]]
1694 -)))
1695 1695  
1696 -(((
1697 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1698 -)))
1699 1699  
1700 -(((
1625 +1.
1626 +11. Why I can’t join TTN in US915 /AU915 bands?
1627 +
1701 1701  It might be about the channels mapping. Please see this link for detail:
1702 -)))
1703 1703  
1704 -(((
1705 1705  [[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]]
1706 -)))
1707 1707  
1708 -(((
1709 -= 7. Order Info =
1710 -)))
1711 1711  
1712 -(((
1713 -(((
1714 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1715 -)))
1716 -)))
1717 1717  
1718 -(((
1719 -(((
1720 -(% style="color:#4f81bd" %)**XXX:**
1721 -)))
1722 -)))
1723 1723  
1724 -* (((
1725 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1726 -)))
1727 -* (((
1728 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1729 -)))
1730 -* (((
1731 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1732 -)))
1733 -* (((
1734 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1735 -)))
1736 -* (((
1737 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1738 -)))
1739 -* (((
1740 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1741 -)))
1742 -* (((
1743 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1744 -)))
1745 -* (((
1746 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1747 -)))
1635 +1. Order Info
1748 1748  
1749 -(((
1750 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1637 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1751 1751  
1752 -= 8. Packing Info =
1753 -)))
1639 +**XXX:**
1754 1754  
1755 -(((
1756 -(((
1641 +* **EU433**: LT with frequency bands EU433
1642 +* **EU868**: LT with frequency bands EU868
1643 +* **KR920**: LT with frequency bands KR920
1644 +* **CN470**: LT with frequency bands CN470
1645 +* **AS923**: LT with frequency bands AS923
1646 +* **AU915**: LT with frequency bands AU915
1647 +* **US915**: LT with frequency bands US915
1648 +* **IN865**: LT with frequency bands IN865
1649 +* **CN779**: LT with frequency bands CN779
1650 +
1651 +1. Packing Info
1652 +
1757 1757  **Package Includes**:
1758 -)))
1759 -)))
1760 1760  
1761 -(((
1762 -(((
1763 -* LT-22222-L I/O Controller x 1
1655 +* LT I/O Controller x 1
1764 1764  * Stick Antenna for LoRa RF part x 1
1765 1765  * Bracket for controller x1
1766 1766  * Program cable x 1
1767 -)))
1768 -)))
1769 1769  
1770 -(((
1771 -(((
1772 1772  **Dimension and weight**:
1773 -)))
1774 -)))
1775 1775  
1776 -(((
1777 -(((
1778 1778  * Device Size: 13.5 x 7 x 3 cm
1779 1779  * Device Weight: 105g
1780 1780  * Package Size / pcs : 14.5 x 8 x 5 cm
1781 1781  * Weight / pcs : 170g
1782 -)))
1783 -)))
1784 1784  
1785 -(((
1786 -= 9. Support =
1787 -)))
1667 +1. Support
1788 1788  
1789 -* (((
1790 -(((
1791 -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.
1792 -)))
1793 -)))
1794 -* (((
1795 -(((
1796 -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
1797 -)))
1798 -)))
1669 +* 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.
1670 +* 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
1799 1799  
1800 -(((
1801 -(((
1802 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1803 -)))
1804 -
1805 -(((
1806 -= 10. Reference​​​​​ =
1807 -
1808 -* Product Page:
1809 -
1810 -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]]
1811 -
1812 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1813 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1814 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1815 -)))
1816 -)))
1672 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1653356737703-362.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -42.1 KB
Content
1653356838789-523.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -131.7 KB
Content
1653356991268-289.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -23.9 KB
Content
1653357170703-587.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -34.0 KB
Content
1653357531600-905.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -25.4 KB
Content
1653357592296-182.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -42.2 KB
Content
1653357640609-758.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -558.1 KB
Content
1653357648330-671.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -35.9 KB
Content
1653358238933-385.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -412.4 KB
Content
1653358355238-883.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -120.4 KB
Content
1653359097980-169.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -158.9 KB
Content
1653359603330-121.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -598.0 KB
Content
1653360054704-518.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -84.7 KB
Content
1653360231087-571.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -94.8 KB
Content
1653360498588-932.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -93.9 KB
Content
image-20220524090249-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -5.8 KB
Content
image-20220524090456-4.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -5.1 KB
Content
image-20220524092754-5.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -7.8 KB
Content
image-20220524093238-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -6.0 KB
Content
image-20220524093328-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -6.1 KB
Content
image-20220524093351-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -6.2 KB
Content
image-20220524093724-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -14.3 KB
Content
image-20220524093831-10.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -15.2 KB
Content
image-20220524094641-11.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -136.2 KB
Content
image-20220524094641-12.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -69.1 KB
Content
image-20220524094909-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -297.8 KB
Content
image-20220524094909-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -325.2 KB
Content
image-20220524094909-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -330.9 KB
Content
image-20220524094909-4.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -329.2 KB
Content
image-20220524094909-5.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -212.8 KB
Content
image-20220524095400-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -172 bytes
Content
image-20220524095438-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -158 bytes
Content
image-20220524095628-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -264 bytes
Content
image-20220524100215-10.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -21.5 KB
Content
image-20220524100215-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -72.1 KB
Content
image-20220524100748-11.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -39.5 KB
Content
image-20220524103407-12.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -66.5 KB
Content
image-20220524103429-13.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -127.2 KB
Content
image-20220524103652-14.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -88.6 KB
Content
image-20220524104033-15.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -83.7 KB
Content