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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 27.3
edited by Xiaoling
on 2022/05/24 09:18
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To version 66.23
edited by Xiaoling
on 2022/05/24 13:57
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  
... ... @@ -235,7 +235,9 @@
235 235  
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
316 +(((
238 238  Total : 11 bytes payload
318 +)))
239 239  
240 240  [[image:image-20220523180452-3.png]]
241 241  
... ... @@ -249,53 +249,77 @@
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
332 +(((
252 252  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
334 +)))
253 253  
336 +(((
254 254  **To use counting mode, please run:**
338 +)))
255 255  
256 256  (% class="box infomessage" %)
257 257  (((
342 +(((
258 258  **AT+MOD=2**
259 259  )))
345 +)))
260 260  
261 261  (% class="box infomessage" %)
262 262  (((
349 +(((
263 263  **ATZ**
264 264  )))
352 +)))
265 265  
354 +(((
266 266  (% style="color:#4f81bd" %)**AT Commands for counting:**
356 +)))
267 267  
358 +(((
268 268  **For LT22222-L:**
360 +)))
269 269  
270 270  (% class="box infomessage" %)
271 271  (((
364 +(((
272 272  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 273  )))
367 +)))
274 274  
275 275  (% class="box infomessage" %)
276 276  (((
371 +(((
277 277  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 278  )))
374 +)))
279 279  
280 280  (% class="box infomessage" %)
281 281  (((
378 +(((
282 282  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 283  )))
381 +)))
284 284  
285 285  (% class="box infomessage" %)
286 286  (((
385 +(((
287 287  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 288  )))
388 +)))
289 289  
290 290  (% class="box infomessage" %)
291 291  (((
392 +(((
292 292  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 293  )))
395 +)))
294 294  
295 295  (% class="box infomessage" %)
296 296  (((
399 +(((
297 297  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 298  )))
402 +)))
299 299  
300 300  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301 301  
... ... @@ -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]].
434 +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]].
469 +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]].
521 +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]]
570 +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
590 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -580,7 +580,6 @@
580 580  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
581 581  )))
582 582  
583 -
584 584  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
585 585  
586 586  Set work mode.
... ... @@ -616,7 +616,6 @@
616 616  
617 617  **Example**: 0x08FF, ask device to send an Uplink
618 618  
619 -
620 620  ==== 3.4.2.4 Enable Trigger Mode ====
621 621  
622 622  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]]
... ... @@ -632,14 +632,15 @@
632 632  
633 633  0: Disable Trigger Mode
634 634  
635 -
636 636  * Downlink Payload (prefix 0x0A 06):
637 637  
638 -0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
739 +(% class="box infomessage" %)
740 +(((
741 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
742 +)))
639 639  
744 +==== 3.4.2.5 Poll trigger settings ====
640 640  
641 -==== Poll trigger settings ====
642 -
643 643  Poll trigger settings,
644 644  
645 645  * AT Command:
... ... @@ -646,339 +646,337 @@
646 646  
647 647  There is no AT Command for this feature.
648 648  
649 -
650 650  * Downlink Payload (prefix 0x AB 06):
651 651  
652 -0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
754 +(% class="box infomessage" %)
755 +(((
756 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
757 +)))
653 653  
759 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
654 654  
655 -==== Enable / Disable DI1/DI2/DI3 as trigger ====
656 -
657 657  Enable Disable DI1/DI2/DI2 as trigger,
658 658  
659 659  * AT Command:
660 660  
661 -Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
765 +(% class="box infomessage" %)
766 +(((
767 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
768 +)))
662 662  
663 -Example:
770 +**Example:**
664 664  
665 665  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
666 666  
667 -
668 -
669 669  * Downlink Payload (prefix 0xAA 02):
670 670  
671 -0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
776 +(% class="box infomessage" %)
777 +(((
778 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
779 +)))
672 672  
781 +==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
673 673  
674 -
675 -==== Trigger1 – Set DI1 or DI3 as trigger ====
676 -
677 677  Set DI1 or DI3(for LT-33222-L) trigger.
678 678  
679 679  * AT Command:
680 680  
681 -AT+TRIG1=a,b
787 +(% class="box infomessage" %)
788 +(((
789 +**AT+TRIG1=a,b**
790 +)))
682 682  
683 683  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
684 684  
685 685  b : delay timing.
686 686  
687 -Example:
796 +**Example:**
688 688  
689 689  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
690 690  
691 -
692 692  * Downlink Payload (prefix 0x09 01 ):
693 693  
694 -0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
802 +(% class="box infomessage" %)
803 +(((
804 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
805 +)))
695 695  
807 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
696 696  
697 -==== Trigger2 – Set DI2 as trigger ====
698 -
699 699  Set DI2 trigger.
700 700  
701 701  * AT Command:
702 702  
703 -AT+TRIG2=a,b
813 +(% class="box infomessage" %)
814 +(((
815 +**AT+TRIG2=a,b**
816 +)))
704 704  
705 705  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
706 706  
707 707  b : delay timing.
708 708  
709 -Example:
822 +**Example:**
710 710  
711 711  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
712 712  
713 -
714 714  * Downlink Payload (prefix 0x09 02 ):
715 715  
716 -0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
828 +(% class="box infomessage" %)
829 +(((
830 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
831 +)))
717 717  
833 +==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
718 718  
719 -==== Trigger – Set AC (current) as trigger ====
835 +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]]
720 720  
721 -Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
722 -
723 723  * AT Command:
724 724  
725 -AT+ACLIM. See [[trigger mode>>path:#MOD6]]
839 +(% class="box infomessage" %)
840 +(((
841 +**AT+ACLIM. **
842 +)))
726 726  
727 -
728 728  * Downlink Payload (prefix 0xAA 01 ):
729 729  
730 -0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
846 +(% class="box infomessage" %)
847 +(((
848 +**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]]**
849 +)))
731 731  
851 +==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
732 732  
733 -==== Trigger – Set AV (voltage) as trigger ====
853 +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]]
734 734  
735 -Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
736 -
737 737  * AT Command:
738 738  
739 -AT+AVLIM. See [[trigger mode>>path:#MOD6]]
857 +(% class="box infomessage" %)
858 +(((
859 +**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]]**
860 +)))
740 740  
741 -
742 742  * Downlink Payload (prefix 0xAA 00 ):
743 743  
744 -0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
864 +(% class="box infomessage" %)
865 +(((
866 +**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]] **
867 +)))
745 745  
746 -==== Trigger – Set minimum interval ====
869 +==== 3.4.2.11 Trigger – Set minimum interval ====
747 747  
748 748  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
749 749  
750 750  * AT Command:
751 751  
752 -AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
875 +(% class="box infomessage" %)
876 +(((
877 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
878 +)))
753 753  
754 -
755 755  * Downlink Payload (prefix 0xAC ):
756 756  
757 -0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
882 +(% class="box infomessage" %)
883 +(((
884 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
885 +)))
758 758  
887 +==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
759 759  
760 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
761 -
762 762  * AT Command:
763 763  
764 764  There is no AT Command to control Digital Output
765 765  
766 -
767 767  * Downlink Payload (prefix 0x02):
768 768  
769 -0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
895 +(% class="box infomessage" %)
896 +(((
897 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
898 +)))
770 770  
900 +(((
771 771  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
902 +)))
772 772  
904 +(((
773 773  01: Low,  00: High ,  11: No action
906 +)))
774 774  
775 -(% border="1" style="background-color:#f7faff" %)
776 -|Downlink Code|DO1|DO2|DO3
777 -|02  01  00  11|Low|High|No Action
778 -|02  00  11  01|High|No Action|Low
779 -|02  11  01  00|No Action|Low|High
908 +[[image:image-20220524092754-5.png]]
780 780  
781 -Note: For LT-22222-L, there is no DO3, the last byte can use any value.
910 +(((
911 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
912 +)))
782 782  
783 -Device will upload a packet if downlink code executes successfully.
914 +(((
915 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
916 +)))
784 784  
785 785  
919 +==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
786 786  
787 -
788 -
789 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
790 -
791 791  * AT Command:
792 792  
793 793  There is no AT Command to control Digital Output
794 794  
795 -
796 796  * Downlink Payload (prefix 0xA9):
797 797  
798 -0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
927 +(% class="box infomessage" %)
928 +(((
929 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
930 +)))
799 799  
800 800  This is to control the digital output time of DO pin. Include four bytes:
801 801  
802 -**First Byte:** Type code (0xA9)
934 +(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
803 803  
804 -**Second Byte**: Inverter Mode
936 +(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
805 805  
806 806  01: DO pins will change back to original state after timeout.
807 807  
808 808  00: DO pins will change to an inverter state after timeout 
809 809  
942 +(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
810 810  
811 -**Third Byte**: Control Method and Ports status:
944 +[[image:image-20220524093238-6.png]]
812 812  
813 -(% border="1" style="background-color:#f7faff" %)
814 -|Second Byte|Status
815 -|0x01|DO1 set to low
816 -|0x00|DO1 set to high
817 -|0x11|DO1 NO Action
946 +(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
818 818  
819 -**Fourth Byte**: Control Method and Ports status:
948 +[[image:image-20220524093328-7.png]]
820 820  
821 -(% border="1" style="background-color:#f7faff" %)
822 -|Second Byte|Status
823 -|0x01|DO2 set to low
824 -|0x00|DO2 set to high
825 -|0x11|DO2 NO Action
950 +(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
826 826  
827 -**Fifth Byte**: Control Method and Ports status:
952 +[[image:image-20220524093351-8.png]]
828 828  
829 -(% border="1" style="background-color:#f7faff" %)
830 -|Second Byte|Status
831 -|0x01|DO3 set to low
832 -|0x00|DO3 set to high
833 -|0x11|DO3 NO Action
954 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
834 834  
835 -**Sixth and Seventh Byte**:
836 -
837 837   Latching time. Unit: ms
838 838  
839 839  Device will upload a packet if downlink code executes successfully.
840 840  
960 +**Example payload:**
841 841  
962 +**~1. A9 01 01 01 01 07 D0**
842 842  
843 -Example payload:
844 -
845 -1. A9 01 01 01 01 07 D0
846 -
847 847  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
848 848  
966 +**2. A9 01 00 01 11 07 D0**
849 849  
850 -1. A9 01 00 01 11 07 D0
851 -
852 852  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
853 853  
970 +**3. A9 00 00 00 00 07 D0**
854 854  
855 -1. A9 00 00 00 00 07 D0
856 -
857 857  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
858 858  
974 +**4. A9 00 11 01 00 07 D0**
859 859  
860 -1. A9 00 11 01 00 07 D0
861 -
862 862  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
863 863  
864 864  
979 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
865 865  
866 -
867 -==== Relay ~-~- Control Relay Output RO1/RO2 ====
868 -
869 869  * AT Command:
870 870  
871 871  There is no AT Command to control Relay Output
872 872  
873 -
874 874  * Downlink Payload (prefix 0x03):
875 875  
876 -0x03 aa bb     ~/~/ Set RO1/RO2 output
987 +(% class="box infomessage" %)
988 +(((
989 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
990 +)))
877 877  
992 +(((
878 878  If payload = 0x030100, it means set RO1 to close and RO2 to open.
994 +)))
879 879  
996 +(((
880 880  01: Close ,  00: Open , 11: No action
998 +)))
881 881  
882 -(% border="1" style="background-color:#f7faff" %)
883 -|Downlink Code|RO1|RO2
884 -|03  00  11|Open|No Action
885 -|03  01  11|Close|No Action
886 -|03  11  00|No Action|Open
887 -|03  11  01|No Action|Close
888 -|03  00  00|Open|Open
889 -|03  01  01|Close|Close
890 -|03  01  00|Close|Open
891 -|03  00  01|Open|Close
1000 +(((
1001 +[[image:image-20220524093724-9.png]]
1002 +)))
892 892  
893 893  Device will upload a packet if downlink code executes successfully.
894 894  
895 895  
896 -==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1007 +==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
897 897  
898 898  * AT Command:
899 899  
900 900  There is no AT Command to control Relay Output
901 901  
902 -
903 903  * Downlink Payload (prefix 0x05):
904 904  
905 -0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
1015 +(% class="box infomessage" %)
1016 +(((
1017 +**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1018 +)))
906 906  
907 907  This is to control the relay output time of relay. Include four bytes:
908 908  
909 -**First Byte:** Type code (0x05)
1022 +(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
910 910  
911 -**Second Byte(aa)**: Inverter Mode
1024 +(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
912 912  
913 913  01: Relays will change back to original state after timeout.
914 914  
915 915  00: Relays will change to an inverter state after timeout
916 916  
1030 +(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
917 917  
918 -**Third Byte(bb)**: Control Method and Ports status:
1032 +[[image:image-20220524093831-10.png]]
919 919  
920 -(% border="1" style="background-color:#f7faff" %)
921 -|Value|Status
922 -|0x11|RO1 and RO2 to NO
923 -|0x10|RO2 to NO, RO1 to NC
924 -|0x01|RO2 to NC, RO1 to NO
925 -|0x00|RO1 and RO2 to NC.
926 -|0x20|RO1 No Action, RO2 to NC
927 -|0x21|RO1 No Action, RO2 to NO
928 -|0x02|RO1 to NC, RO2 No Action
929 -|0x12|RO1 to NO, RO2 No Action
1034 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
930 930  
931 -**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
932 -
933 933  Device will upload a packet if downlink code executes successfully.
934 934  
935 -
936 -
937 937  **Example payload:**
938 938  
939 -1. 05 01 11 07 D0
1040 +**~1. 05 01 11 07 D0**
940 940  
941 941  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
942 942  
1044 +**2. 05 01 10 07 D0**
943 943  
944 -1. 05 01 10 07 D0
945 -
946 946  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
947 947  
1048 +**3. 05 00 01 07 D0**
948 948  
949 -1. 05 00 01 07 D0
950 -
951 951  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
952 952  
1052 +**4. 05 00 00 07 D0**
953 953  
954 -1. 05 00 00 07 D0
955 -
956 956  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
957 957  
958 958  
1057 +==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
959 959  
1059 +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]]
960 960  
961 -
962 -
963 -==== Counting ~-~- Voltage threshold counting ====
964 -
965 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
966 -
967 967  * AT Command:
968 968  
969 -AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1063 +(% class="box infomessage" %)
1064 +(((
1065 +**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]]**
1066 +)))
970 970  
971 -
972 972  * Downlink Payload (prefix 0xA5):
973 973  
974 -0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1070 +(% class="box infomessage" %)
1071 +(((
1072 +**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1073 +)))
975 975  
1075 +==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
976 976  
977 -==== Counting ~-~- Pre-configure the Count Number ====
978 -
979 979  * AT Command:
980 980  
981 -AT+SETCNT=aa,(bb cc dd ee)
1079 +(% class="box infomessage" %)
1080 +(((
1081 +**AT+SETCNT=aa,(bb cc dd ee) **
1082 +)))
982 982  
983 983  aa: 1: Set count1,
984 984  
... ... @@ -988,115 +988,109 @@
988 988  
989 989  Bb cc dd ee: number to be set
990 990  
991 -
992 992  * Downlink Payload (prefix 0xA8):
993 993  
994 -0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1094 +(% class="box infomessage" %)
1095 +(((
1096 +**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1097 +)))
995 995  
1099 +==== 3.4.2.18 Counting ~-~- Clear Counting ====
996 996  
997 -
998 -
999 -
1000 -==== Counting ~-~- Clear Counting ====
1001 -
1002 1002  Clear counting for counting mode
1003 1003  
1004 1004  * AT Command:
1005 1005  
1006 -AT+CLRCOUNT ~/~/ clear all counting
1105 +(% class="box infomessage" %)
1106 +(((
1107 +**AT+CLRCOUNT ~/~/ clear all counting**
1108 +)))
1007 1007  
1008 -
1009 1009  * Downlink Payload (prefix 0xA6):
1010 1010  
1011 -0x A6 01     ~/~/ clear all counting,
1112 +(% class="box infomessage" %)
1113 +(((
1114 +**0x A6 01     ~/~/ clear all counting,**
1115 +)))
1012 1012  
1117 +==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1013 1013  
1014 -
1015 -
1016 -==== Counting ~-~- Change counting mode save time ====
1017 -
1018 1018  * AT Command:
1019 1019  
1020 -AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1121 +(% class="box infomessage" %)
1122 +(((
1123 +**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1124 +)))
1021 1021  
1022 -
1023 1023  * Downlink Payload (prefix 0xA7):
1024 1024  
1025 -0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1128 +(% class="box infomessage" %)
1129 +(((
1130 +**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1131 +)))
1026 1026  
1027 1027  range: aa bb cc:0 to 16777215,  (unit:second)
1028 1028  
1135 +== 3.5 Integrate with Mydevice ==
1029 1029  
1030 -
1031 -
1032 -1.
1033 -11. Integrate with Mydevice
1034 -
1035 1035  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:
1036 1036  
1139 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1037 1037  
1038 -Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1141 +**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:
1039 1039  
1040 -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:
1143 +[[image:1653356737703-362.png||height="232" width="732"]]
1041 1041  
1145 +[[image:image-20220524094641-11.png||height="390" width="723"]]
1042 1042  
1043 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1044 1044  
1148 +[[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1150 +**Step 3**: Create an account or log in Mydevices.
1047 1047  
1152 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1048 1048  
1049 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1050 -
1051 -
1052 -
1053 -Step 3: Create an account or log in Mydevices.
1054 -
1055 -Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1056 -
1057 1057  Search under The things network
1058 1058  
1059 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1156 +[[image:1653356838789-523.png||height="337" width="740"]]
1060 1060  
1061 -
1062 1062  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1063 1063  
1064 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1160 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1065 1065  
1162 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1066 1066  
1067 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1164 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1068 1068  
1166 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1069 1069  
1070 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1168 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1071 1071  
1170 +== 3.6 Interface Detail ==
1072 1072  
1073 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1172 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1074 1074  
1075 -
1076 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1077 -
1078 -
1079 -1.
1080 -11. Interface Detail
1081 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1082 -
1083 1083  Support NPN Type sensor
1084 1084  
1085 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1176 +[[image:1653356991268-289.png]]
1086 1086  
1178 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1087 1087  
1088 -
1089 -1.
1090 -11.
1091 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1092 -
1180 +(((
1093 1093  The DI port of LT-22222-L can support NPN or PNP output sensor.
1182 +)))
1094 1094  
1184 +(((
1185 +(((
1095 1095  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
1187 +)))
1188 +)))
1096 1096  
1097 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1190 +[[image:1653357170703-587.png]]
1098 1098  
1192 +(((
1099 1099  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1194 +)))
1100 1100  
1101 1101  
1102 1102  **Example1**: Connect to a Low active sensor.
... ... @@ -1106,11 +1106,11 @@
1106 1106  * Connect sensor’s output to DI1-
1107 1107  * Connect sensor’s VCC to DI1+.
1108 1108  
1109 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1204 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1110 1110  
1111 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1206 + //IF// = DI1+ / 1K.
1112 1112  
1113 -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.
1208 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1114 1114  
1115 1115  
1116 1116  **Example2**: Connect to a High active sensor.
... ... @@ -1122,12 +1122,12 @@
1122 1122  
1123 1123  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1124 1124  
1125 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1220 +[[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.**
1126 1126  
1127 -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.
1222 +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.
1128 1128  
1129 1129  
1130 -**Example3**: Connect to a 220v high active sensor.公司测试一下
1225 +**Example3**: Connect to a 220v high active sensor.
1131 1131  
1132 1132  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1133 1133  
... ... @@ -1136,34 +1136,24 @@
1136 1136  
1137 1137  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1138 1138  
1139 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1234 + [[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.**
1140 1140  
1141 -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.
1236 +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.
1142 1142  
1238 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1143 1143  
1144 -1.
1145 -11.
1146 -111. Digital Output Port: DO1/DO2 /DO3
1147 -
1148 1148  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1149 1149  
1150 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1242 +[[image:1653357531600-905.png]]
1151 1151  
1244 +=== 3.6.4 Analog Input Interface ===
1152 1152  
1153 -
1154 -
1155 -1.
1156 -11.
1157 -111. Analog Input Interface
1158 -
1159 1159  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:
1160 1160  
1161 -AC2 = (IN2 voltage )/12
1248 +**AC2 = (IN2 voltage )/12**
1162 1162  
1163 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1250 +[[image:1653357592296-182.png]]
1164 1164  
1165 -
1166 -
1167 1167  Example to connect a 4~~20mA sensor
1168 1168  
1169 1169  We take the wind speed sensor as an example for reference only.
... ... @@ -1179,423 +1179,579 @@
1179 1179  
1180 1180  Connection diagram:
1181 1181  
1182 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1267 +[[image:1653357640609-758.png]]
1183 1183  
1184 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1269 +[[image:1653357648330-671.png||height="155" width="733"]]
1185 1185  
1271 +=== 3.6.5 Relay Output ===
1186 1186  
1187 -
1188 -1.
1189 -11.
1190 -111. Relay Output
1191 -
1273 +(((
1192 1192  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:
1275 +)))
1193 1193  
1194 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1277 +[[image:image-20220524100215-9.png]]
1195 1195  
1279 +[[image:image-20220524100215-10.png||height="382" width="723"]]
1196 1196  
1197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1281 +== 3.7 LEDs Indicators ==
1198 1198  
1283 +[[image:image-20220524100748-11.png]]
1199 1199  
1285 += 4. Use AT Command =
1200 1200  
1287 +== 4.1 Access AT Command ==
1201 1201  
1202 -
1203 -1.
1204 -11. LEDs Indicators
1205 -
1206 -(% border="1" style="background-color:#f7faff" %)
1207 -|**LEDs**|**Feature**
1208 -|**PWR**|Always on if there is power
1209 -|**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.
1210 -|**TX**|(((
1211 -Device boot: TX blinks 5 times.
1212 -
1213 -Successful join network: TX ON for 5 seconds.
1214 -
1215 -Transmit a LoRa packet: TX blinks once
1216 -)))
1217 -|**RX**|RX blinks once when receive a packet.
1218 -|**DO1**|
1219 -|**DO2**|
1220 -|**DO3**|
1221 -|**DI2**|(((
1222 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1223 -
1224 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1225 -)))
1226 -|**DI2**|(((
1227 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1228 -
1229 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1230 -)))
1231 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1232 -|**DI2**|(((
1233 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1234 -
1235 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1236 -)))
1237 -|**RO1**|
1238 -|**RO2**|
1239 -
1240 -1. Use AT Command
1241 -11. Access AT Command
1242 -
1243 1243  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.
1244 1244  
1245 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1291 +[[image:1653358238933-385.png]]
1246 1246  
1293 +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:
1247 1247  
1248 -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:
1295 +[[image:1653358355238-883.png]]
1249 1249  
1250 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1251 -
1252 -
1253 1253  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/]]
1254 1254  
1299 +(((
1255 1255  AT+<CMD>?        : Help on <CMD>
1301 +)))
1256 1256  
1303 +(((
1257 1257  AT+<CMD>         : Run <CMD>
1305 +)))
1258 1258  
1307 +(((
1259 1259  AT+<CMD>=<value> : Set the value
1309 +)))
1260 1260  
1311 +(((
1261 1261  AT+<CMD>=?       : Get the value
1313 +)))
1262 1262  
1315 +(((
1263 1263  ATZ: Trig a reset of the MCU
1317 +)))
1264 1264  
1319 +(((
1265 1265  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1321 +)))
1266 1266  
1323 +(((
1267 1267  AT+DEUI: Get or Set the Device EUI
1325 +)))
1268 1268  
1327 +(((
1269 1269  AT+DADDR: Get or Set the Device Address
1329 +)))
1270 1270  
1331 +(((
1271 1271  AT+APPKEY: Get or Set the Application Key
1333 +)))
1272 1272  
1335 +(((
1273 1273  AT+NWKSKEY: Get or Set the Network Session Key
1337 +)))
1274 1274  
1339 +(((
1275 1275  AT+APPSKEY: Get or Set the Application Session Key
1341 +)))
1276 1276  
1343 +(((
1277 1277  AT+APPEUI: Get or Set the Application EUI
1345 +)))
1278 1278  
1347 +(((
1279 1279  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1349 +)))
1280 1280  
1351 +(((
1281 1281  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1353 +)))
1282 1282  
1355 +(((
1283 1283  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1357 +)))
1284 1284  
1359 +(((
1285 1285  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1361 +)))
1286 1286  
1363 +(((
1287 1287  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1365 +)))
1288 1288  
1367 +(((
1289 1289  AT+RX2FQ: Get or Set the Rx2 window frequency
1369 +)))
1290 1290  
1371 +(((
1291 1291  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1373 +)))
1292 1292  
1375 +(((
1293 1293  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1377 +)))
1294 1294  
1379 +(((
1295 1295  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1381 +)))
1296 1296  
1383 +(((
1297 1297  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1385 +)))
1298 1298  
1387 +(((
1299 1299  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1389 +)))
1300 1300  
1391 +(((
1301 1301  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1393 +)))
1302 1302  
1395 +(((
1303 1303  AT+NWKID: Get or Set the Network ID
1397 +)))
1304 1304  
1399 +(((
1305 1305  AT+FCU: Get or Set the Frame Counter Uplink
1401 +)))
1306 1306  
1403 +(((
1307 1307  AT+FCD: Get or Set the Frame Counter Downlink
1405 +)))
1308 1308  
1407 +(((
1309 1309  AT+CLASS: Get or Set the Device Class
1409 +)))
1310 1310  
1411 +(((
1311 1311  AT+JOIN: Join network
1413 +)))
1312 1312  
1415 +(((
1313 1313  AT+NJS: Get OTAA Join Status
1417 +)))
1314 1314  
1419 +(((
1315 1315  AT+SENDB: Send hexadecimal data along with the application port
1421 +)))
1316 1316  
1423 +(((
1317 1317  AT+SEND: Send text data along with the application port
1425 +)))
1318 1318  
1427 +(((
1319 1319  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1429 +)))
1320 1320  
1431 +(((
1321 1321  AT+RECV: Print last received data in raw format
1433 +)))
1322 1322  
1435 +(((
1323 1323  AT+VER: Get current image version and Frequency Band
1437 +)))
1324 1324  
1439 +(((
1325 1325  AT+CFM: Get or Set the confirmation mode (0-1)
1441 +)))
1326 1326  
1443 +(((
1327 1327  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1445 +)))
1328 1328  
1447 +(((
1329 1329  AT+SNR: Get the SNR of the last received packet
1449 +)))
1330 1330  
1451 +(((
1331 1331  AT+RSSI: Get the RSSI of the last received packet
1453 +)))
1332 1332  
1455 +(((
1333 1333  AT+TDC: Get or set the application data transmission interval in ms
1457 +)))
1334 1334  
1459 +(((
1335 1335  AT+PORT: Get or set the application port
1461 +)))
1336 1336  
1463 +(((
1337 1337  AT+DISAT: Disable AT commands
1465 +)))
1338 1338  
1467 +(((
1339 1339  AT+PWORD: Set password, max 9 digits
1469 +)))
1340 1340  
1471 +(((
1341 1341  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1473 +)))
1342 1342  
1475 +(((
1343 1343  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1477 +)))
1344 1344  
1479 +(((
1345 1345  AT+CFG: Print all settings
1481 +)))
1346 1346  
1483 +== 4.2 Common AT Command Sequence ==
1347 1347  
1485 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1348 1348  
1349 -1.
1350 -11. Common AT Command Sequence
1351 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1352 -
1487 +(((
1353 1353  If device has not joined network yet:
1489 +)))
1354 1354  
1355 -123456
1491 +(((
1492 +(% style="background-color:#dcdcdc" %)123456
1493 +)))
1356 1356  
1357 -AT+FDR
1495 +(((
1496 +(% style="background-color:#dcdcdc" %)AT+FDR
1497 +)))
1358 1358  
1359 -123456
1499 +(((
1500 +(% style="background-color:#dcdcdc" %)123456
1501 +)))
1360 1360  
1361 -AT+NJM=0
1503 +(((
1504 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1505 +)))
1362 1362  
1363 -ATZ
1507 +(((
1508 +(% style="background-color:#dcdcdc" %)ATZ
1509 +)))
1364 1364  
1365 1365  
1512 +(((
1366 1366  If device already joined network:
1514 +)))
1367 1367  
1368 -AT+NJM=0
1516 +(((
1517 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1518 +)))
1369 1369  
1370 -ATZ
1520 +(((
1521 +(% style="background-color:#dcdcdc" %)ATZ
1522 +)))
1371 1371  
1372 -1.
1373 -11.
1374 -111. Single-channel ABP mode (Use with LG01/LG02)
1524 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1375 1375  
1376 -123456   Enter Password to have AT access.
1526 +(((
1527 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1528 +)))
1377 1377  
1378 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1530 +(((
1531 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1532 +)))
1379 1379  
1380 -123456   Enter Password to have AT access.
1534 +(((
1535 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1536 +)))
1381 1381  
1382 -AT+CLASS=C Set to work in CLASS C
1538 +(((
1539 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1540 +)))
1383 1383  
1384 -AT+NJM=0 Set to ABP mode
1542 +(((
1543 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1544 +)))
1385 1385  
1386 -AT+ADR=0 Set the Adaptive Data Rate Off
1546 +(((
1547 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1548 +)))
1387 1387  
1388 -AT+DR=5  Set Data Rate
1550 +(((
1551 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1552 +)))
1389 1389  
1390 -AT+TDC=60000  Set transmit interval to 60 seconds
1554 +(((
1555 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1556 +)))
1391 1391  
1392 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1558 +(((
1559 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1560 +)))
1393 1393  
1394 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1562 +(((
1563 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1564 +)))
1395 1395  
1396 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1566 +(((
1567 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1568 +)))
1397 1397  
1398 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1570 +(((
1571 +(% 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.
1572 +)))
1399 1399  
1400 -ATZ          Reset MCU
1574 +(((
1575 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1576 +)))
1401 1401  
1402 -**Note:**
1578 +(((
1579 +(% style="color:red" %)**Note:**
1580 +)))
1403 1403  
1404 -1. Make sure the device is set to ABP mode in the IoT Server.
1405 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1406 -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.
1407 -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
1582 +(((
1583 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1584 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1585 +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.
1586 +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
1587 +)))
1408 1408  
1409 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1589 +(((
1590 +[[image:1653359097980-169.png||height="188" width="729"]]
1591 +)))
1410 1410  
1593 +(((
1594 +
1595 +)))
1411 1411  
1412 -1.
1413 -11.
1414 -111. Change to Class A
1597 +=== 4.2.3 Change to Class A ===
1415 1415  
1416 1416  If sensor JOINED
1417 -
1418 -AT+CLASS=A
1419 -
1600 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1420 1420  ATZ
1421 1421  
1603 += 5. FAQ =
1422 1422  
1605 +== 5.1 How to upgrade the image? ==
1423 1423  
1424 -
1425 -
1426 -1. FAQ
1427 -
1428 -1.
1429 -11. How to upgrade the image?
1430 -
1431 1431  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1432 1432  
1433 1433  * Support new features
1434 1434  * For bug fix
1435 1435  * Change LoRaWAN bands.
1436 -
1437 1437  Below shows the hardware connection for how to upload an image to the LT:
1613 +* [[image:1653359603330-121.png]]
1438 1438  
1439 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1440 -
1441 -
1442 1442  **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]].
1443 -
1444 1444  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1445 -
1446 1446  **Step3: **Open flashloader; choose the correct COM port to update.
1618 +**For LT-22222-L**:
1619 +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.
1447 1447  
1448 -**For LT-33222-L**:
1621 + [[image:image-20220524103407-12.png]]
1449 1449  
1450 -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.
1623 +[[image:image-20220524103429-13.png]]
1451 1451  
1452 -**For LT-22222-L**:
1625 +[[image:image-20220524104033-15.png]]
1453 1453  
1454 -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.
1627 +(% 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:
1455 1455  
1629 +[[image:1653360054704-518.png||height="186" width="745"]]
1456 1456  
1631 +(((
1632 +(((
1633 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
1634 +)))
1635 +)))
1457 1457  
1458 -|(((
1459 -Board detected
1637 +(((
1638 +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.
1460 1460  )))
1461 1461  
1462 -|(((
1463 -
1641 +(((
1642 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1464 1464  )))
1465 1465  
1466 -[[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]]
1467 -
1468 -
1469 -
1470 -[[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]]
1471 -
1472 -
1473 -[[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]]
1474 -
1475 -
1476 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1477 -
1478 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1479 -
1480 -
1481 -1.
1482 -11. How to change the LoRa Frequency Bands/Region?
1483 -
1484 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1485 -
1486 -
1487 -1.
1488 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1489 -
1645 +(((
1646 +(((
1490 1490  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1648 +)))
1649 +)))
1491 1491  
1651 +(((
1652 +(((
1492 1492  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1654 +)))
1655 +)))
1493 1493  
1657 +(((
1658 +(% 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.
1659 +)))
1494 1494  
1495 -**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.
1661 +(((
1662 +[[image:1653360231087-571.png||height="401" width="727"]]
1663 +)))
1496 1496  
1497 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1665 +(% 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.
1498 1498  
1499 -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.
1667 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1500 1500  
1669 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1670 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1671 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1672 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1673 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1674 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1675 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1676 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1677 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1678 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1501 1501  
1502 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1503 -
1504 -123456   Enter Password to have AT access.
1505 -
1506 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1507 -
1508 -123456   Enter Password to have AT access.
1509 -
1510 -AT+NJM=0 Set to ABP mode
1511 -
1512 -AT+ADR=0 Set the Adaptive Data Rate Off
1513 -
1514 -AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1515 -
1516 -AT+TDC=60000  Set transmit interval to 60 seconds
1517 -
1518 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1519 -
1520 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1521 -
1522 -ATZ                Reset MCU
1523 -
1524 1524  As shown in below:
1525 1525  
1526 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1682 +[[image:1653360498588-932.png||height="485" width="726"]]
1527 1527  
1684 +== 5.4 Can I see counting event in Serial? ==
1528 1528  
1529 -
1530 -1.
1531 -11. Can I see counting event in Serial?
1532 -
1686 +(((
1533 1533  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.
1688 +)))
1534 1534  
1690 +(((
1691 += 6. Trouble Shooting =
1692 +)))
1535 1535  
1694 +(((
1695 +(((
1696 +== 6.1 Downlink doesn’t work, how to solve it? ==
1697 +)))
1698 +)))
1536 1536  
1537 -
1538 -1. Trouble Shooting     
1539 -11. Downlink doesn’t work, how to solve it?
1540 -
1700 +(((
1541 1541  Please see this link for how to debug:
1542 1542  
1703 +[[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/]]
1704 +)))
1705 +
1706 +(((
1543 1543  [[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]]
1708 +)))
1544 1544  
1710 +(((
1711 +== 6.2 Have trouble to upload image. ==
1712 +)))
1545 1545  
1546 -1.
1547 -11. Have trouble to upload image.
1548 -
1714 +(((
1549 1549  See this link for trouble shooting:
1716 +)))
1550 1550  
1718 +(((
1551 1551  [[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]]
1720 +)))
1552 1552  
1722 +(((
1723 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1724 +)))
1553 1553  
1554 -1.
1555 -11. Why I can’t join TTN in US915 /AU915 bands?
1556 -
1726 +(((
1557 1557  It might be about the channels mapping. Please see this link for detail:
1728 +)))
1558 1558  
1730 +(((
1559 1559  [[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]]
1732 +)))
1560 1560  
1734 +(((
1735 += 7. Order Info =
1736 +)))
1561 1561  
1738 +(((
1739 +(((
1740 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1741 +)))
1742 +)))
1562 1562  
1744 +(((
1745 +(((
1746 +(% style="color:#4f81bd" %)**XXX:**
1747 +)))
1748 +)))
1563 1563  
1564 -1. Order Info
1750 +* (((
1751 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1752 +)))
1753 +* (((
1754 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1755 +)))
1756 +* (((
1757 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1758 +)))
1759 +* (((
1760 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1761 +)))
1762 +* (((
1763 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1764 +)))
1765 +* (((
1766 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1767 +)))
1768 +* (((
1769 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1770 +)))
1771 +* (((
1772 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1773 +)))
1565 1565  
1566 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1775 +(((
1776 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1567 1567  
1568 -**XXX:**
1778 += 8. Packing Info =
1779 +)))
1569 1569  
1570 -* **EU433**: LT with frequency bands EU433
1571 -* **EU868**: LT with frequency bands EU868
1572 -* **KR920**: LT with frequency bands KR920
1573 -* **CN470**: LT with frequency bands CN470
1574 -* **AS923**: LT with frequency bands AS923
1575 -* **AU915**: LT with frequency bands AU915
1576 -* **US915**: LT with frequency bands US915
1577 -* **IN865**: LT with frequency bands IN865
1578 -* **CN779**: LT with frequency bands CN779
1579 -
1580 -1. Packing Info
1581 -
1781 +(((
1782 +(((
1582 1582  **Package Includes**:
1784 +)))
1785 +)))
1583 1583  
1584 -* LT I/O Controller x 1
1787 +(((
1788 +(((
1789 +* LT-22222-L I/O Controller x 1
1585 1585  * Stick Antenna for LoRa RF part x 1
1586 1586  * Bracket for controller x1
1587 1587  * Program cable x 1
1793 +)))
1794 +)))
1588 1588  
1796 +(((
1797 +(((
1589 1589  **Dimension and weight**:
1799 +)))
1800 +)))
1590 1590  
1802 +(((
1803 +(((
1591 1591  * Device Size: 13.5 x 7 x 3 cm
1592 1592  * Device Weight: 105g
1593 1593  * Package Size / pcs : 14.5 x 8 x 5 cm
1594 1594  * Weight / pcs : 170g
1808 +)))
1809 +)))
1595 1595  
1596 -1. Support
1811 +(((
1812 += 9. Support =
1813 +)))
1597 1597  
1598 -* 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.
1599 -* 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
1815 +* (((
1816 +(((
1817 +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.
1818 +)))
1819 +)))
1820 +* (((
1821 +(((
1822 +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
1823 +)))
1824 +)))
1600 1600  
1601 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1826 +(((
1827 +(((
1828 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1829 +)))
1830 +
1831 +(((
1832 += 10. Reference​​​​​ =
1833 +
1834 +* Product Page:
1835 +
1836 +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]]
1837 +
1838 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1839 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1840 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1841 +)))
1842 +)))
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