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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 27.2
edited by Xiaoling
on 2022/05/24 09:13
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To version 66.21
edited by Xiaoling
on 2022/05/24 13:55
Change comment: There is no comment for this version

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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
... ... @@ -129,13 +129,21 @@
129 129  
130 130  == 3.1 How it works? ==
131 131  
202 +(((
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. 
204 +)))
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.
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 +)))
135 135  
210 +(((
136 136  3.2 Example to join LoRaWAN network
212 +)))
137 137  
214 +(((
138 138  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 +)))
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
... ... @@ -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]].
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]].
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]].
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]].
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]].
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]].
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]]
544 +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
564 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -558,76 +558,87 @@
558 558  
559 559  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/]]
560 560  
561 -=== Sensor related commands ===
639 +=== 3.4.2 Sensor related commands ===
562 562  
641 +==== 3.4.2.1 Set Transmit Interval ====
563 563  
564 -==== Set Transmit Interval ====
565 -
566 566  Set device uplink interval.
567 567  
568 568  * AT Command:
569 569  
570 -AT+TDC=N
647 +(% class="box infomessage" %)
648 +(((
649 +**AT+TDC=N **
650 +)))
571 571  
572 -Example: AT+TDC=30000. Means set interval to 30 seconds
652 +**Example: **AT+TDC=30000. Means set interval to 30 seconds
573 573  
574 -
575 575  * Downlink Payload (prefix 0x01):
576 576  
577 -0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
656 +(% class="box infomessage" %)
657 +(((
658 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
659 +)))
578 578  
661 +==== 3.4.2.2 Set Work Mode (AT+MOD) ====
579 579  
580 -==== Set Work Mode (AT+MOD) ====
581 -
582 582  Set work mode.
583 583  
584 584  * AT Command:
585 585  
586 -AT+MOD=N 
667 +(% class="box infomessage" %)
668 +(((
669 +**AT+MOD=N  **
670 +)))
587 587  
588 -Example: AT+MOD=2. Set work mode to Double DI counting mode
672 +**Example**: AT+MOD=2. Set work mode to Double DI counting mode
589 589  
590 -
591 591  * Downlink Payload (prefix 0x0A):
592 592  
593 -0x0A aa     ~/~/ Same as AT+MOD=aa
676 +(% class="box infomessage" %)
677 +(((
678 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
679 +)))
594 594  
681 +==== 3.4.2.3 Poll an uplink ====
595 595  
596 -
597 -==== Poll an uplink ====
598 -
599 599  * AT Command:
600 600  
601 601  There is no AT Command to poll uplink
602 602  
603 -
604 604  * Downlink Payload (prefix 0x08):
605 605  
606 -0x08 FF     ~/~/ Poll an uplink,
689 +(% class="box infomessage" %)
690 +(((
691 +**0x08 FF     ~/~/ Poll an uplink,**
692 +)))
607 607  
608 -Example: 0x08FF, ask device to send an Uplink
694 +**Example**: 0x08FF, ask device to send an Uplink
609 609  
696 +==== 3.4.2.4 Enable Trigger Mode ====
610 610  
611 -==== Enable Trigger Mode ====
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]]
612 612  
613 -Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
614 -
615 615  * AT Command:
616 616  
617 -AT+ADDMOD6=1 or 0
702 +(% class="box infomessage" %)
703 +(((
704 +**AT+ADDMOD6=1 or 0**
705 +)))
618 618  
619 619  1: Enable Trigger Mode
620 620  
621 621  0: Disable Trigger Mode
622 622  
623 -
624 624  * Downlink Payload (prefix 0x0A 06):
625 625  
626 -0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
713 +(% class="box infomessage" %)
714 +(((
715 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
716 +)))
627 627  
718 +==== 3.4.2.5 Poll trigger settings ====
628 628  
629 -==== Poll trigger settings ====
630 -
631 631  Poll trigger settings,
632 632  
633 633  * AT Command:
... ... @@ -634,339 +634,337 @@
634 634  
635 635  There is no AT Command for this feature.
636 636  
637 -
638 638  * Downlink Payload (prefix 0x AB 06):
639 639  
640 -0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
728 +(% class="box infomessage" %)
729 +(((
730 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
731 +)))
641 641  
733 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
642 642  
643 -==== Enable / Disable DI1/DI2/DI3 as trigger ====
644 -
645 645  Enable Disable DI1/DI2/DI2 as trigger,
646 646  
647 647  * AT Command:
648 648  
649 -Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
739 +(% class="box infomessage" %)
740 +(((
741 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
742 +)))
650 650  
651 -Example:
744 +**Example:**
652 652  
653 653  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
654 654  
655 -
656 -
657 657  * Downlink Payload (prefix 0xAA 02):
658 658  
659 -0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
750 +(% class="box infomessage" %)
751 +(((
752 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
753 +)))
660 660  
755 +==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
661 661  
662 -
663 -==== Trigger1 – Set DI1 or DI3 as trigger ====
664 -
665 665  Set DI1 or DI3(for LT-33222-L) trigger.
666 666  
667 667  * AT Command:
668 668  
669 -AT+TRIG1=a,b
761 +(% class="box infomessage" %)
762 +(((
763 +**AT+TRIG1=a,b**
764 +)))
670 670  
671 671  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
672 672  
673 673  b : delay timing.
674 674  
675 -Example:
770 +**Example:**
676 676  
677 677  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
678 678  
679 -
680 680  * Downlink Payload (prefix 0x09 01 ):
681 681  
682 -0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
776 +(% class="box infomessage" %)
777 +(((
778 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
779 +)))
683 683  
781 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
684 684  
685 -==== Trigger2 – Set DI2 as trigger ====
686 -
687 687  Set DI2 trigger.
688 688  
689 689  * AT Command:
690 690  
691 -AT+TRIG2=a,b
787 +(% class="box infomessage" %)
788 +(((
789 +**AT+TRIG2=a,b**
790 +)))
692 692  
693 693  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
694 694  
695 695  b : delay timing.
696 696  
697 -Example:
796 +**Example:**
698 698  
699 699  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
700 700  
701 -
702 702  * Downlink Payload (prefix 0x09 02 ):
703 703  
704 -0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
802 +(% class="box infomessage" %)
803 +(((
804 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
805 +)))
705 705  
807 +==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
706 706  
707 -==== Trigger – Set AC (current) as trigger ====
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]]
708 708  
709 -Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
710 -
711 711  * AT Command:
712 712  
713 -AT+ACLIM. See [[trigger mode>>path:#MOD6]]
813 +(% class="box infomessage" %)
814 +(((
815 +**AT+ACLIM. **
816 +)))
714 714  
715 -
716 716  * Downlink Payload (prefix 0xAA 01 ):
717 717  
718 -0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
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 +)))
719 719  
825 +==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
720 720  
721 -==== Trigger – Set AV (voltage) as trigger ====
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]]
722 722  
723 -Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
724 -
725 725  * AT Command:
726 726  
727 -AT+AVLIM. See [[trigger mode>>path:#MOD6]]
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 +)))
728 728  
729 -
730 730  * Downlink Payload (prefix 0xAA 00 ):
731 731  
732 -0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
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 +)))
733 733  
734 -==== Trigger – Set minimum interval ====
843 +==== 3.4.2.11 Trigger – Set minimum interval ====
735 735  
736 736  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
737 737  
738 738  * AT Command:
739 739  
740 -AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
849 +(% class="box infomessage" %)
850 +(((
851 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
852 +)))
741 741  
742 -
743 743  * Downlink Payload (prefix 0xAC ):
744 744  
745 -0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
856 +(% class="box infomessage" %)
857 +(((
858 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
859 +)))
746 746  
861 +==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
747 747  
748 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
749 -
750 750  * AT Command:
751 751  
752 752  There is no AT Command to control Digital Output
753 753  
754 -
755 755  * Downlink Payload (prefix 0x02):
756 756  
757 -0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
869 +(% class="box infomessage" %)
870 +(((
871 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
872 +)))
758 758  
874 +(((
759 759  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 +)))
760 760  
878 +(((
761 761  01: Low,  00: High ,  11: No action
880 +)))
762 762  
763 -(% border="1" style="background-color:#f7faff" %)
764 -|Downlink Code|DO1|DO2|DO3
765 -|02  01  00  11|Low|High|No Action
766 -|02  00  11  01|High|No Action|Low
767 -|02  11  01  00|No Action|Low|High
882 +[[image:image-20220524092754-5.png]]
768 768  
769 -Note: For LT-22222-L, there is no DO3, the last byte can use any value.
884 +(((
885 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
886 +)))
770 770  
771 -Device will upload a packet if downlink code executes successfully.
888 +(((
889 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
890 +)))
772 772  
773 773  
893 +==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
774 774  
775 -
776 -
777 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
778 -
779 779  * AT Command:
780 780  
781 781  There is no AT Command to control Digital Output
782 782  
783 -
784 784  * Downlink Payload (prefix 0xA9):
785 785  
786 -0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
901 +(% class="box infomessage" %)
902 +(((
903 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
904 +)))
787 787  
788 788  This is to control the digital output time of DO pin. Include four bytes:
789 789  
790 -**First Byte:** Type code (0xA9)
908 +(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
791 791  
792 -**Second Byte**: Inverter Mode
910 +(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
793 793  
794 794  01: DO pins will change back to original state after timeout.
795 795  
796 796  00: DO pins will change to an inverter state after timeout 
797 797  
916 +(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
798 798  
799 -**Third Byte**: Control Method and Ports status:
918 +[[image:image-20220524093238-6.png]]
800 800  
801 -(% border="1" style="background-color:#f7faff" %)
802 -|Second Byte|Status
803 -|0x01|DO1 set to low
804 -|0x00|DO1 set to high
805 -|0x11|DO1 NO Action
920 +(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
806 806  
807 -**Fourth Byte**: Control Method and Ports status:
922 +[[image:image-20220524093328-7.png]]
808 808  
809 -(% border="1" style="background-color:#f7faff" %)
810 -|Second Byte|Status
811 -|0x01|DO2 set to low
812 -|0x00|DO2 set to high
813 -|0x11|DO2 NO Action
924 +(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
814 814  
815 -**Fifth Byte**: Control Method and Ports status:
926 +[[image:image-20220524093351-8.png]]
816 816  
817 -(% border="1" style="background-color:#f7faff" %)
818 -|Second Byte|Status
819 -|0x01|DO3 set to low
820 -|0x00|DO3 set to high
821 -|0x11|DO3 NO Action
928 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
822 822  
823 -**Sixth and Seventh Byte**:
824 -
825 825   Latching time. Unit: ms
826 826  
827 827  Device will upload a packet if downlink code executes successfully.
828 828  
934 +**Example payload:**
829 829  
936 +**~1. A9 01 01 01 01 07 D0**
830 830  
831 -Example payload:
832 -
833 -1. A9 01 01 01 01 07 D0
834 -
835 835  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
836 836  
940 +**2. A9 01 00 01 11 07 D0**
837 837  
838 -1. A9 01 00 01 11 07 D0
839 -
840 840  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
841 841  
944 +**3. A9 00 00 00 00 07 D0**
842 842  
843 -1. A9 00 00 00 00 07 D0
844 -
845 845  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
846 846  
948 +**4. A9 00 11 01 00 07 D0**
847 847  
848 -1. A9 00 11 01 00 07 D0
849 -
850 850  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
851 851  
852 852  
953 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
853 853  
854 -
855 -==== Relay ~-~- Control Relay Output RO1/RO2 ====
856 -
857 857  * AT Command:
858 858  
859 859  There is no AT Command to control Relay Output
860 860  
861 -
862 862  * Downlink Payload (prefix 0x03):
863 863  
864 -0x03 aa bb     ~/~/ Set RO1/RO2 output
961 +(% class="box infomessage" %)
962 +(((
963 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
964 +)))
865 865  
966 +(((
866 866  If payload = 0x030100, it means set RO1 to close and RO2 to open.
968 +)))
867 867  
970 +(((
868 868  01: Close ,  00: Open , 11: No action
972 +)))
869 869  
870 -(% border="1" style="background-color:#f7faff" %)
871 -|Downlink Code|RO1|RO2
872 -|03  00  11|Open|No Action
873 -|03  01  11|Close|No Action
874 -|03  11  00|No Action|Open
875 -|03  11  01|No Action|Close
876 -|03  00  00|Open|Open
877 -|03  01  01|Close|Close
878 -|03  01  00|Close|Open
879 -|03  00  01|Open|Close
974 +(((
975 +[[image:image-20220524093724-9.png]]
976 +)))
880 880  
881 881  Device will upload a packet if downlink code executes successfully.
882 882  
883 883  
884 -==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
981 +==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
885 885  
886 886  * AT Command:
887 887  
888 888  There is no AT Command to control Relay Output
889 889  
890 -
891 891  * Downlink Payload (prefix 0x05):
892 892  
893 -0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
989 +(% class="box infomessage" %)
990 +(((
991 +**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
992 +)))
894 894  
895 895  This is to control the relay output time of relay. Include four bytes:
896 896  
897 -**First Byte:** Type code (0x05)
996 +(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
898 898  
899 -**Second Byte(aa)**: Inverter Mode
998 +(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
900 900  
901 901  01: Relays will change back to original state after timeout.
902 902  
903 903  00: Relays will change to an inverter state after timeout
904 904  
1004 +(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
905 905  
906 -**Third Byte(bb)**: Control Method and Ports status:
1006 +[[image:image-20220524093831-10.png]]
907 907  
908 -(% border="1" style="background-color:#f7faff" %)
909 -|Value|Status
910 -|0x11|RO1 and RO2 to NO
911 -|0x10|RO2 to NO, RO1 to NC
912 -|0x01|RO2 to NC, RO1 to NO
913 -|0x00|RO1 and RO2 to NC.
914 -|0x20|RO1 No Action, RO2 to NC
915 -|0x21|RO1 No Action, RO2 to NO
916 -|0x02|RO1 to NC, RO2 No Action
917 -|0x12|RO1 to NO, RO2 No Action
1008 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
918 918  
919 -**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
920 -
921 921  Device will upload a packet if downlink code executes successfully.
922 922  
923 -
924 -
925 925  **Example payload:**
926 926  
927 -1. 05 01 11 07 D0
1014 +**~1. 05 01 11 07 D0**
928 928  
929 929  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
930 930  
1018 +**2. 05 01 10 07 D0**
931 931  
932 -1. 05 01 10 07 D0
933 -
934 934  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
935 935  
1022 +**3. 05 00 01 07 D0**
936 936  
937 -1. 05 00 01 07 D0
938 -
939 939  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
940 940  
1026 +**4. 05 00 00 07 D0**
941 941  
942 -1. 05 00 00 07 D0
943 -
944 944  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
945 945  
946 946  
1031 +==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
947 947  
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]]
948 948  
949 -
950 -
951 -==== Counting ~-~- Voltage threshold counting ====
952 -
953 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
954 -
955 955  * AT Command:
956 956  
957 -AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
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 +)))
958 958  
959 -
960 960  * Downlink Payload (prefix 0xA5):
961 961  
962 -0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1044 +(% class="box infomessage" %)
1045 +(((
1046 +**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1047 +)))
963 963  
1049 +==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
964 964  
965 -==== Counting ~-~- Pre-configure the Count Number ====
966 -
967 967  * AT Command:
968 968  
969 -AT+SETCNT=aa,(bb cc dd ee)
1053 +(% class="box infomessage" %)
1054 +(((
1055 +**AT+SETCNT=aa,(bb cc dd ee) **
1056 +)))
970 970  
971 971  aa: 1: Set count1,
972 972  
... ... @@ -976,115 +976,109 @@
976 976  
977 977  Bb cc dd ee: number to be set
978 978  
979 -
980 980  * Downlink Payload (prefix 0xA8):
981 981  
982 -0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1068 +(% class="box infomessage" %)
1069 +(((
1070 +**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1071 +)))
983 983  
1073 +==== 3.4.2.18 Counting ~-~- Clear Counting ====
984 984  
985 -
986 -
987 -
988 -==== Counting ~-~- Clear Counting ====
989 -
990 990  Clear counting for counting mode
991 991  
992 992  * AT Command:
993 993  
994 -AT+CLRCOUNT ~/~/ clear all counting
1079 +(% class="box infomessage" %)
1080 +(((
1081 +**AT+CLRCOUNT ~/~/ clear all counting**
1082 +)))
995 995  
996 -
997 997  * Downlink Payload (prefix 0xA6):
998 998  
999 -0x A6 01     ~/~/ clear all counting,
1086 +(% class="box infomessage" %)
1087 +(((
1088 +**0x A6 01     ~/~/ clear all counting,**
1089 +)))
1000 1000  
1091 +==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1001 1001  
1002 -
1003 -
1004 -==== Counting ~-~- Change counting mode save time ====
1005 -
1006 1006  * AT Command:
1007 1007  
1008 -AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
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 +)))
1009 1009  
1010 -
1011 1011  * Downlink Payload (prefix 0xA7):
1012 1012  
1013 -0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1102 +(% class="box infomessage" %)
1103 +(((
1104 +**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1105 +)))
1014 1014  
1015 1015  range: aa bb cc:0 to 16777215,  (unit:second)
1016 1016  
1109 +== 3.5 Integrate with Mydevice ==
1017 1017  
1018 -
1019 -
1020 -1.
1021 -11. Integrate with Mydevice
1022 -
1023 1023  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:
1024 1024  
1113 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1025 1025  
1026 -Step 1: Be sure that your device is programmed and properly connected to the network at this time.
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:
1027 1027  
1028 -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:
1117 +[[image:1653356737703-362.png||height="232" width="732"]]
1029 1029  
1119 +[[image:image-20220524094641-11.png||height="390" width="723"]]
1030 1030  
1031 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1032 1032  
1122 +[[image:image-20220524094641-12.png||height="402" width="718"]]
1033 1033  
1034 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1124 +**Step 3**: Create an account or log in Mydevices.
1035 1035  
1126 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1036 1036  
1037 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1038 -
1039 -
1040 -
1041 -Step 3: Create an account or log in Mydevices.
1042 -
1043 -Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1044 -
1045 1045  Search under The things network
1046 1046  
1047 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1130 +[[image:1653356838789-523.png||height="337" width="740"]]
1048 1048  
1049 -
1050 1050  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1051 1051  
1052 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1134 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1053 1053  
1136 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1054 1054  
1055 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1138 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1056 1056  
1140 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1057 1057  
1058 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1142 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1059 1059  
1144 +== 3.6 Interface Detail ==
1060 1060  
1061 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1146 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1062 1062  
1063 -
1064 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1065 -
1066 -
1067 -1.
1068 -11. Interface Detail
1069 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1070 -
1071 1071  Support NPN Type sensor
1072 1072  
1073 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1150 +[[image:1653356991268-289.png]]
1074 1074  
1152 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1075 1075  
1076 -
1077 -1.
1078 -11.
1079 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1080 -
1154 +(((
1081 1081  The DI port of LT-22222-L can support NPN or PNP output sensor.
1156 +)))
1082 1082  
1158 +(((
1159 +(((
1083 1083  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 +)))
1084 1084  
1085 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1164 +[[image:1653357170703-587.png]]
1086 1086  
1166 +(((
1087 1087  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1168 +)))
1088 1088  
1089 1089  
1090 1090  **Example1**: Connect to a Low active sensor.
... ... @@ -1094,11 +1094,11 @@
1094 1094  * Connect sensor’s output to DI1-
1095 1095  * Connect sensor’s VCC to DI1+.
1096 1096  
1097 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1178 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1098 1098  
1099 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1180 + //IF// = DI1+ / 1K.
1100 1100  
1101 -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.
1182 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1102 1102  
1103 1103  
1104 1104  **Example2**: Connect to a High active sensor.
... ... @@ -1110,12 +1110,12 @@
1110 1110  
1111 1111  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1112 1112  
1113 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
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.**
1114 1114  
1115 -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.
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.
1116 1116  
1117 1117  
1118 -**Example3**: Connect to a 220v high active sensor.公司测试一下
1199 +**Example3**: Connect to a 220v high active sensor.
1119 1119  
1120 1120  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1121 1121  
... ... @@ -1124,34 +1124,24 @@
1124 1124  
1125 1125  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1126 1126  
1127 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
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.**
1128 1128  
1129 -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.
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.
1130 1130  
1212 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1131 1131  
1132 -1.
1133 -11.
1134 -111. Digital Output Port: DO1/DO2 /DO3
1135 -
1136 1136  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1137 1137  
1138 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1216 +[[image:1653357531600-905.png]]
1139 1139  
1218 +=== 3.6.4 Analog Input Interface ===
1140 1140  
1141 -
1142 -
1143 -1.
1144 -11.
1145 -111. Analog Input Interface
1146 -
1147 1147  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:
1148 1148  
1149 -AC2 = (IN2 voltage )/12
1222 +**AC2 = (IN2 voltage )/12**
1150 1150  
1151 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1224 +[[image:1653357592296-182.png]]
1152 1152  
1153 -
1154 -
1155 1155  Example to connect a 4~~20mA sensor
1156 1156  
1157 1157  We take the wind speed sensor as an example for reference only.
... ... @@ -1167,423 +1167,579 @@
1167 1167  
1168 1168  Connection diagram:
1169 1169  
1170 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1241 +[[image:1653357640609-758.png]]
1171 1171  
1172 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1243 +[[image:1653357648330-671.png||height="155" width="733"]]
1173 1173  
1245 +=== 3.6.5 Relay Output ===
1174 1174  
1175 -
1176 -1.
1177 -11.
1178 -111. Relay Output
1179 -
1247 +(((
1180 1180  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 +)))
1181 1181  
1182 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1251 +[[image:image-20220524100215-9.png]]
1183 1183  
1253 +[[image:image-20220524100215-10.png||height="382" width="723"]]
1184 1184  
1185 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1255 +== 3.7 LEDs Indicators ==
1186 1186  
1257 +[[image:image-20220524100748-11.png]]
1187 1187  
1259 += 4. Use AT Command =
1188 1188  
1261 +== 4.1 Access AT Command ==
1189 1189  
1190 -
1191 -1.
1192 -11. LEDs Indicators
1193 -
1194 -(% border="1" style="background-color:#f7faff" %)
1195 -|**LEDs**|**Feature**
1196 -|**PWR**|Always on if there is power
1197 -|**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.
1198 -|**TX**|(((
1199 -Device boot: TX blinks 5 times.
1200 -
1201 -Successful join network: TX ON for 5 seconds.
1202 -
1203 -Transmit a LoRa packet: TX blinks once
1204 -)))
1205 -|**RX**|RX blinks once when receive a packet.
1206 -|**DO1**|
1207 -|**DO2**|
1208 -|**DO3**|
1209 -|**DI2**|(((
1210 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1211 -
1212 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1213 -)))
1214 -|**DI2**|(((
1215 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1216 -
1217 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1218 -)))
1219 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1220 -|**DI2**|(((
1221 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1222 -
1223 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1224 -)))
1225 -|**RO1**|
1226 -|**RO2**|
1227 -
1228 -1. Use AT Command
1229 -11. Access AT Command
1230 -
1231 1231  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.
1232 1232  
1233 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1265 +[[image:1653358238933-385.png]]
1234 1234  
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:
1235 1235  
1236 -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:
1269 +[[image:1653358355238-883.png]]
1237 1237  
1238 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1239 -
1240 -
1241 1241  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/]]
1242 1242  
1273 +(((
1243 1243  AT+<CMD>?        : Help on <CMD>
1275 +)))
1244 1244  
1277 +(((
1245 1245  AT+<CMD>         : Run <CMD>
1279 +)))
1246 1246  
1281 +(((
1247 1247  AT+<CMD>=<value> : Set the value
1283 +)))
1248 1248  
1285 +(((
1249 1249  AT+<CMD>=?       : Get the value
1287 +)))
1250 1250  
1289 +(((
1251 1251  ATZ: Trig a reset of the MCU
1291 +)))
1252 1252  
1293 +(((
1253 1253  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1295 +)))
1254 1254  
1297 +(((
1255 1255  AT+DEUI: Get or Set the Device EUI
1299 +)))
1256 1256  
1301 +(((
1257 1257  AT+DADDR: Get or Set the Device Address
1303 +)))
1258 1258  
1305 +(((
1259 1259  AT+APPKEY: Get or Set the Application Key
1307 +)))
1260 1260  
1309 +(((
1261 1261  AT+NWKSKEY: Get or Set the Network Session Key
1311 +)))
1262 1262  
1313 +(((
1263 1263  AT+APPSKEY: Get or Set the Application Session Key
1315 +)))
1264 1264  
1317 +(((
1265 1265  AT+APPEUI: Get or Set the Application EUI
1319 +)))
1266 1266  
1321 +(((
1267 1267  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1323 +)))
1268 1268  
1325 +(((
1269 1269  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1327 +)))
1270 1270  
1329 +(((
1271 1271  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1331 +)))
1272 1272  
1333 +(((
1273 1273  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1335 +)))
1274 1274  
1337 +(((
1275 1275  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1339 +)))
1276 1276  
1341 +(((
1277 1277  AT+RX2FQ: Get or Set the Rx2 window frequency
1343 +)))
1278 1278  
1345 +(((
1279 1279  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1347 +)))
1280 1280  
1349 +(((
1281 1281  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1351 +)))
1282 1282  
1353 +(((
1283 1283  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1355 +)))
1284 1284  
1357 +(((
1285 1285  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1359 +)))
1286 1286  
1361 +(((
1287 1287  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1363 +)))
1288 1288  
1365 +(((
1289 1289  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1367 +)))
1290 1290  
1369 +(((
1291 1291  AT+NWKID: Get or Set the Network ID
1371 +)))
1292 1292  
1373 +(((
1293 1293  AT+FCU: Get or Set the Frame Counter Uplink
1375 +)))
1294 1294  
1377 +(((
1295 1295  AT+FCD: Get or Set the Frame Counter Downlink
1379 +)))
1296 1296  
1381 +(((
1297 1297  AT+CLASS: Get or Set the Device Class
1383 +)))
1298 1298  
1385 +(((
1299 1299  AT+JOIN: Join network
1387 +)))
1300 1300  
1389 +(((
1301 1301  AT+NJS: Get OTAA Join Status
1391 +)))
1302 1302  
1393 +(((
1303 1303  AT+SENDB: Send hexadecimal data along with the application port
1395 +)))
1304 1304  
1397 +(((
1305 1305  AT+SEND: Send text data along with the application port
1399 +)))
1306 1306  
1401 +(((
1307 1307  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1403 +)))
1308 1308  
1405 +(((
1309 1309  AT+RECV: Print last received data in raw format
1407 +)))
1310 1310  
1409 +(((
1311 1311  AT+VER: Get current image version and Frequency Band
1411 +)))
1312 1312  
1413 +(((
1313 1313  AT+CFM: Get or Set the confirmation mode (0-1)
1415 +)))
1314 1314  
1417 +(((
1315 1315  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1419 +)))
1316 1316  
1421 +(((
1317 1317  AT+SNR: Get the SNR of the last received packet
1423 +)))
1318 1318  
1425 +(((
1319 1319  AT+RSSI: Get the RSSI of the last received packet
1427 +)))
1320 1320  
1429 +(((
1321 1321  AT+TDC: Get or set the application data transmission interval in ms
1431 +)))
1322 1322  
1433 +(((
1323 1323  AT+PORT: Get or set the application port
1435 +)))
1324 1324  
1437 +(((
1325 1325  AT+DISAT: Disable AT commands
1439 +)))
1326 1326  
1441 +(((
1327 1327  AT+PWORD: Set password, max 9 digits
1443 +)))
1328 1328  
1445 +(((
1329 1329  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1447 +)))
1330 1330  
1449 +(((
1331 1331  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1451 +)))
1332 1332  
1453 +(((
1333 1333  AT+CFG: Print all settings
1455 +)))
1334 1334  
1457 +== 4.2 Common AT Command Sequence ==
1335 1335  
1459 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1336 1336  
1337 -1.
1338 -11. Common AT Command Sequence
1339 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1340 -
1461 +(((
1341 1341  If device has not joined network yet:
1463 +)))
1342 1342  
1343 -123456
1465 +(((
1466 +(% style="background-color:#dcdcdc" %)123456
1467 +)))
1344 1344  
1345 -AT+FDR
1469 +(((
1470 +(% style="background-color:#dcdcdc" %)AT+FDR
1471 +)))
1346 1346  
1347 -123456
1473 +(((
1474 +(% style="background-color:#dcdcdc" %)123456
1475 +)))
1348 1348  
1349 -AT+NJM=0
1477 +(((
1478 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1479 +)))
1350 1350  
1351 -ATZ
1481 +(((
1482 +(% style="background-color:#dcdcdc" %)ATZ
1483 +)))
1352 1352  
1353 1353  
1486 +(((
1354 1354  If device already joined network:
1488 +)))
1355 1355  
1356 -AT+NJM=0
1490 +(((
1491 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1492 +)))
1357 1357  
1358 -ATZ
1494 +(((
1495 +(% style="background-color:#dcdcdc" %)ATZ
1496 +)))
1359 1359  
1360 -1.
1361 -11.
1362 -111. Single-channel ABP mode (Use with LG01/LG02)
1498 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1363 1363  
1364 -123456   Enter Password to have AT access.
1500 +(((
1501 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1502 +)))
1365 1365  
1366 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1504 +(((
1505 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1506 +)))
1367 1367  
1368 -123456   Enter Password to have AT access.
1508 +(((
1509 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1510 +)))
1369 1369  
1370 -AT+CLASS=C Set to work in CLASS C
1512 +(((
1513 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1514 +)))
1371 1371  
1372 -AT+NJM=0 Set to ABP mode
1516 +(((
1517 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1518 +)))
1373 1373  
1374 -AT+ADR=0 Set the Adaptive Data Rate Off
1520 +(((
1521 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1522 +)))
1375 1375  
1376 -AT+DR=5  Set Data Rate
1524 +(((
1525 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1526 +)))
1377 1377  
1378 -AT+TDC=60000  Set transmit interval to 60 seconds
1528 +(((
1529 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1530 +)))
1379 1379  
1380 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1532 +(((
1533 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1534 +)))
1381 1381  
1382 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1536 +(((
1537 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1538 +)))
1383 1383  
1384 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1540 +(((
1541 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1542 +)))
1385 1385  
1386 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
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 +)))
1387 1387  
1388 -ATZ          Reset MCU
1548 +(((
1549 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1550 +)))
1389 1389  
1390 -**Note:**
1552 +(((
1553 +(% style="color:red" %)**Note:**
1554 +)))
1391 1391  
1392 -1. Make sure the device is set to ABP mode in the IoT Server.
1393 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1394 -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.
1395 -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
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 +)))
1396 1396  
1397 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1563 +(((
1564 +[[image:1653359097980-169.png||height="188" width="729"]]
1565 +)))
1398 1398  
1567 +(((
1568 +
1569 +)))
1399 1399  
1400 -1.
1401 -11.
1402 -111. Change to Class A
1571 +=== 4.2.3 Change to Class A ===
1403 1403  
1404 1404  If sensor JOINED
1405 -
1406 -AT+CLASS=A
1407 -
1574 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1408 1408  ATZ
1409 1409  
1577 += 5. FAQ =
1410 1410  
1579 +== 5.1 How to upgrade the image? ==
1411 1411  
1412 -
1413 -
1414 -1. FAQ
1415 -
1416 -1.
1417 -11. How to upgrade the image?
1418 -
1419 1419  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1420 1420  
1421 1421  * Support new features
1422 1422  * For bug fix
1423 1423  * Change LoRaWAN bands.
1424 -
1425 1425  Below shows the hardware connection for how to upload an image to the LT:
1587 +* [[image:1653359603330-121.png]]
1426 1426  
1427 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1428 -
1429 -
1430 1430  **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]].
1431 -
1432 1432  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1433 -
1434 1434  **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.
1435 1435  
1436 -**For LT-33222-L**:
1595 + [[image:image-20220524103407-12.png]]
1437 1437  
1438 -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.
1597 +[[image:image-20220524103429-13.png]]
1439 1439  
1440 -**For LT-22222-L**:
1599 +[[image:image-20220524104033-15.png]]
1441 1441  
1442 -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.
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:
1443 1443  
1603 +[[image:1653360054704-518.png||height="186" width="745"]]
1444 1444  
1605 +(((
1606 +(((
1607 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
1608 +)))
1609 +)))
1445 1445  
1446 -|(((
1447 -Board detected
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.
1448 1448  )))
1449 1449  
1450 -|(((
1451 -
1615 +(((
1616 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1452 1452  )))
1453 1453  
1454 -[[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]]
1455 -
1456 -
1457 -
1458 -[[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]]
1459 -
1460 -
1461 -[[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]]
1462 -
1463 -
1464 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1465 -
1466 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1467 -
1468 -
1469 -1.
1470 -11. How to change the LoRa Frequency Bands/Region?
1471 -
1472 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1473 -
1474 -
1475 -1.
1476 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1477 -
1619 +(((
1620 +(((
1478 1478  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1622 +)))
1623 +)))
1479 1479  
1625 +(((
1626 +(((
1480 1480  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1628 +)))
1629 +)))
1481 1481  
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 +)))
1482 1482  
1483 -**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.
1635 +(((
1636 +[[image:1653360231087-571.png||height="401" width="727"]]
1637 +)))
1484 1484  
1485 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
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.
1486 1486  
1487 -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.
1641 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1488 1488  
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
1489 1489  
1490 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1491 -
1492 -123456   Enter Password to have AT access.
1493 -
1494 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1495 -
1496 -123456   Enter Password to have AT access.
1497 -
1498 -AT+NJM=0 Set to ABP mode
1499 -
1500 -AT+ADR=0 Set the Adaptive Data Rate Off
1501 -
1502 -AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1503 -
1504 -AT+TDC=60000  Set transmit interval to 60 seconds
1505 -
1506 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1507 -
1508 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1509 -
1510 -ATZ                Reset MCU
1511 -
1512 1512  As shown in below:
1513 1513  
1514 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1656 +[[image:1653360498588-932.png||height="485" width="726"]]
1515 1515  
1658 +== 5.4 Can I see counting event in Serial? ==
1516 1516  
1517 -
1518 -1.
1519 -11. Can I see counting event in Serial?
1520 -
1660 +(((
1521 1521  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 +)))
1522 1522  
1664 +(((
1665 += 6. Trouble Shooting =
1666 +)))
1523 1523  
1668 +(((
1669 +(((
1670 +== 6.1 Downlink doesn’t work, how to solve it? ==
1671 +)))
1672 +)))
1524 1524  
1525 -
1526 -1. Trouble Shooting     
1527 -11. Downlink doesn’t work, how to solve it?
1528 -
1674 +(((
1529 1529  Please see this link for how to debug:
1530 1530  
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 +)))
1679 +
1680 +(((
1531 1531  [[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 +)))
1532 1532  
1684 +(((
1685 +== 6.2 Have trouble to upload image. ==
1686 +)))
1533 1533  
1534 -1.
1535 -11. Have trouble to upload image.
1536 -
1688 +(((
1537 1537  See this link for trouble shooting:
1690 +)))
1538 1538  
1692 +(((
1539 1539  [[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 +)))
1540 1540  
1696 +(((
1697 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1698 +)))
1541 1541  
1542 -1.
1543 -11. Why I can’t join TTN in US915 /AU915 bands?
1544 -
1700 +(((
1545 1545  It might be about the channels mapping. Please see this link for detail:
1702 +)))
1546 1546  
1704 +(((
1547 1547  [[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 +)))
1548 1548  
1708 +(((
1709 += 7. Order Info =
1710 +)))
1549 1549  
1712 +(((
1713 +(((
1714 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1715 +)))
1716 +)))
1550 1550  
1718 +(((
1719 +(((
1720 +(% style="color:#4f81bd" %)**XXX:**
1721 +)))
1722 +)))
1551 1551  
1552 -1. Order Info
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 +)))
1553 1553  
1554 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1749 +(((
1750 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1555 1555  
1556 -**XXX:**
1752 += 8. Packing Info =
1753 +)))
1557 1557  
1558 -* **EU433**: LT with frequency bands EU433
1559 -* **EU868**: LT with frequency bands EU868
1560 -* **KR920**: LT with frequency bands KR920
1561 -* **CN470**: LT with frequency bands CN470
1562 -* **AS923**: LT with frequency bands AS923
1563 -* **AU915**: LT with frequency bands AU915
1564 -* **US915**: LT with frequency bands US915
1565 -* **IN865**: LT with frequency bands IN865
1566 -* **CN779**: LT with frequency bands CN779
1567 -
1568 -1. Packing Info
1569 -
1755 +(((
1756 +(((
1570 1570  **Package Includes**:
1758 +)))
1759 +)))
1571 1571  
1572 -* LT I/O Controller x 1
1761 +(((
1762 +(((
1763 +* LT-22222-L I/O Controller x 1
1573 1573  * Stick Antenna for LoRa RF part x 1
1574 1574  * Bracket for controller x1
1575 1575  * Program cable x 1
1767 +)))
1768 +)))
1576 1576  
1770 +(((
1771 +(((
1577 1577  **Dimension and weight**:
1773 +)))
1774 +)))
1578 1578  
1776 +(((
1777 +(((
1579 1579  * Device Size: 13.5 x 7 x 3 cm
1580 1580  * Device Weight: 105g
1581 1581  * Package Size / pcs : 14.5 x 8 x 5 cm
1582 1582  * Weight / pcs : 170g
1782 +)))
1783 +)))
1583 1583  
1584 -1. Support
1785 +(((
1786 += 9. Support =
1787 +)))
1585 1585  
1586 -* 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.
1587 -* 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 +(((
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 +)))
1588 1588  
1589 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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 +)))
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