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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 109.2
edited by Xiaoling
on 2022/11/21 11:37
Change comment: There is no comment for this version
To version 125.1
edited by Edwin Chen
on 2023/06/16 23:57
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -15,7 +15,6 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
31 31  )))
32 32  
33 33  (((
... ... @@ -54,7 +54,6 @@
54 54  
55 55  )))
56 56  
57 -
58 58  == 1.2  Specifications ==
59 59  
60 60  (((
... ... @@ -171,7 +171,6 @@
171 171  Packet engine up to 256 bytes with CRC.
172 172  
173 173  
174 -
175 175  
176 176  )))
177 177  
... ... @@ -179,33 +179,43 @@
179 179  
180 180  
181 181  * LoRaWAN Class A & Class C protocol
179 +
182 182  * Optional Customized LoRa Protocol
181 +
183 183  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
184 184  * AT Commands to change parameters
185 +
185 185  * Remote configure parameters via LoRa Downlink
187 +
186 186  * Firmware upgradable via program port
189 +
187 187  * Counting
188 188  
189 -
190 -
191 191  == 1.4  Applications ==
192 192  
193 193  
194 194  * Smart Buildings & Home Automation
196 +
195 195  * Logistics and Supply Chain Management
198 +
196 196  * Smart Metering
200 +
197 197  * Smart Agriculture
202 +
198 198  * Smart Cities
204 +
199 199  * Smart Factory
200 200  
201 -
202 -
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
206 -(% border="1" style="background-color:#f7faff; width:500px" %)
207 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
210 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
212 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 +(% style="text-align:center" %)
214 +[[image:image-20230424115112-1.png||height="106" width="58"]]
215 +)))|(% style="width:334px" %)(((
209 209  * 2 x Digital Input (Bi-direction)
210 210  * 2 x Digital Output
211 211  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -214,8 +214,6 @@
214 214  * 1 x Counting Port
215 215  )))
216 216  
217 -
218 -
219 219  = 2. Power ON Device =
220 220  
221 221  
... ... @@ -272,7 +272,7 @@
272 272  Each LT is shipped with a sticker with the default device EUI as below:
273 273  )))
274 274  
275 -[[image:1653297924498-393.png]]
280 +[[image:image-20230425173427-2.png||height="246" width="530"]]
276 276  
277 277  
278 278  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -297,7 +297,6 @@
297 297  [[image:1653298044601-602.png||height="405" width="709"]]
298 298  
299 299  
300 -
301 301  == 3.3 Uplink Payload ==
302 302  
303 303  
... ... @@ -304,31 +304,46 @@
304 304  There are five working modes + one interrupt mode on LT for different type application:
305 305  
306 306  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
311 +
307 307  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
313 +
308 308  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315 +
309 309  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
317 +
310 310  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
319 +
311 311  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
312 312  
313 -
314 -
315 315  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
316 316  
317 317  
318 318  (((
319 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
326 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
327 +
328 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
329 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
330 +|Value|(((
331 +AVI1 voltage
332 +)))|(((
333 +AVI2 voltage
334 +)))|(((
335 +ACI1 Current
336 +)))|(((
337 +ACI2 Current
338 +)))|DIDORO*|(((
339 +Reserve
340 +)))|MOD
320 320  )))
321 321  
322 -[[image:image-20220523174024-3.png]]
323 -
324 324  (((
325 -
326 -
327 327  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
345 +
346 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
347 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
348 +|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
328 328  )))
329 329  
330 -[[image:image-20220523174254-4.png]]
331 -
332 332  * RO is for relay. ROx=1 : close，ROx=0 always open.
333 333  * DI is for digital input. DIx=1: high or float, DIx=0: low.
334 334  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -368,8 +368,6 @@
368 368  ** DO1 is high in case there is load between DO1 and V+.
369 369  ** DO1 LED is off in both case
370 370  
371 -
372 -
373 373  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374 374  
375 375  
... ... @@ -379,18 +379,24 @@
379 379  
380 380  (((
381 381  Total : 11 bytes payload
399 +
400 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
401 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
402 +|Value|COUNT1|COUNT2 |DIDORO*|(((
403 +Reserve
404 +)))|MOD
382 382  )))
383 383  
384 -[[image:image-20220523180452-3.png]]
385 -
386 -
387 387  (((
388 388  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
389 -)))
390 390  
391 -[[image:image-20220523180506-4.png]]
410 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
411 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
412 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
392 392  
393 -* RO is for relay. ROx=1 : close，ROx=0 always open.
414 +RO is for relay. ROx=1 : close，ROx=0 always open.
415 +)))
416 +
394 394  * FIRST: Indicate this is the first packet after join network.
395 395  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
396 396  
... ... @@ -421,14 +421,11 @@
421 421  
422 422  
423 423  (% style="color:#4f81bd" %)**AT Commands for counting:**
424 -
425 -
426 426  )))
427 427  
428 428  (((
429 429  **For LT22222-L:**
430 430  
431 -
432 432  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
433 433  
434 434  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -448,16 +448,22 @@
448 448  
449 449  **LT22222-L**: This mode the DI1 is used as a counting pin.
450 450  
451 -[[image:image-20220523181246-5.png]]
471 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
472 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
473 +|Value|COUNT1|(((
474 +ACI1 Current
475 +)))|(((
476 +ACI2 Current
477 +)))|DIDORO*|Reserve|MOD
452 452  
453 453  (((
454 -
455 -
456 456  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
481 +
482 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
483 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
484 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
457 457  )))
458 458  
459 -[[image:image-20220523181301-6.png]]
460 -
461 461  * RO is for relay. ROx=1 : close，ROx=0 always open.
462 462  * FIRST: Indicate this is the first packet after join network.
463 463  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -498,17 +498,22 @@
498 498  
499 499  (((
500 500  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
527 +
528 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
529 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
530 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
531 +Reserve
532 +)))|MOD
501 501  )))
502 502  
503 -[[image:image-20220523181903-8.png]]
504 -
505 -
506 506  (((
507 507  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
537 +
538 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
539 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
540 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
508 508  )))
509 509  
510 -[[image:image-20220523181727-7.png]]
511 -
512 512  * RO is for relay. ROx=1 : close，ROx=0 always open.
513 513  * FIRST: Indicate this is the first packet after join network.
514 514  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -542,11 +542,8 @@
542 542  )))
543 543  
544 544  (((
545 -
546 -
547 547  **Plus below command for AVI1 Counting:**
548 548  
549 -
550 550  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
551 551  
552 552  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -562,12 +562,24 @@
562 562  
563 563  **LT22222-L**: This mode the DI1 is used as a counting pin.
564 564  
565 -[[image:image-20220523182334-9.png]]
593 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
594 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
595 +|Value|(((
596 +AVI1 voltage
597 +)))|(((
598 +AVI2 voltage
599 +)))|(((
600 +ACI1 Current
601 +)))|COUNT1|DIDORO*|(((
602 +Reserve
603 +)))|MOD
566 566  
567 567  (((
568 -
569 -
570 570  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
607 +
608 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
609 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
610 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
571 571  )))
572 572  
573 573  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -658,7 +658,6 @@
658 658  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
659 659  
660 660  
661 -
662 662  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
663 663  
664 664  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -693,12 +693,39 @@
693 693  
694 694  MOD6 Payload : total 11 bytes payload
695 695  
696 -[[image:image-20220524085923-1.png]]
735 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
736 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
737 +|Value|(((
738 +TRI_A FLAG
739 +)))|(((
740 +TRI_A Status
741 +)))|(((
742 +TRI_DI FLAG+STA
743 +)))|Reserve|Enable/Disable MOD6|(((
744 +MOD(6)
745 +)))
697 697  
698 -
699 699  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
700 700  
701 -[[image:image-20220524090106-2.png]]
749 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
750 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
751 +|(((
752 +AV1_LOW
753 +)))|(((
754 +AV1_HIGH
755 +)))|(((
756 +AV2_LOW
757 +)))|(((
758 +AV2_HIGH
759 +)))|(((
760 +AC1_LOW
761 +)))|(((
762 +AC1_HIGH
763 +)))|(((
764 +AC2_LOW
765 +)))|(((
766 +AC2_HIGH
767 +)))
702 702  
703 703  * Each bits shows if the corresponding trigger has been configured.
704 704  
... ... @@ -707,10 +707,27 @@
707 707  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
708 708  
709 709  
710 -
711 711  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
712 712  
713 -[[image:image-20220524090249-3.png]]
778 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
779 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
780 +|(((
781 +AV1_LOW
782 +)))|(((
783 +AV1_HIGH
784 +)))|(((
785 +AV2_LOW
786 +)))|(((
787 +AV2_HIGH
788 +)))|(((
789 +AC1_LOW
790 +)))|(((
791 +AC1_HIGH
792 +)))|(((
793 +AC2_LOW
794 +)))|(((
795 +AC2_HIGH
796 +)))
714 714  
715 715  * Each bits shows which status has been trigger on this uplink.
716 716  
... ... @@ -719,10 +719,11 @@
719 719  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
720 720  
721 721  
722 -
723 723  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
724 724  
725 -[[image:image-20220524090456-4.png]]
807 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
808 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
809 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
726 726  
727 727  * Each bits shows which status has been trigger on this uplink.
728 728  
... ... @@ -733,7 +733,6 @@
733 733  00000101: Means both DI1 and DI2 trigger are enabled.
734 734  
735 735  
736 -
737 737  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
738 738  
739 739  Downlink command to poll MOD6 status:
... ... @@ -769,8 +769,6 @@
769 769  
770 770  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
771 771  
772 -
773 -
774 774  === 3.4.1 Common Commands ===
775 775  
776 776  
... ... @@ -805,14 +805,10 @@
805 805  
806 806  Set work mode.
807 807  
808 -* (% style="color:#037691" %)**AT Command:**
889 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
809 809  
810 -(% style="color:blue" %)**AT+MOD=N  **
811 -
812 -
813 813  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
814 814  
815 -
816 816  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
817 817  
818 818  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -822,16 +822,12 @@
822 822  ==== 3.4.2.3 Poll an uplink ====
823 823  
824 824  
825 -* (% style="color:#037691" %)**AT Command:**
902 +* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
826 826  
827 -There is no AT Command to poll uplink
828 -
829 -
830 830  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
831 831  
832 832  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
833 833  
834 -
835 835  **Example**: 0x08FF, ask device to send an Uplink
836 836  
837 837  
... ... @@ -841,10 +841,8 @@
841 841  
842 842  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
843 843  
844 -* (% style="color:#037691" %)**AT Command:**
917 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
845 845  
846 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
847 -
848 848  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
849 849  
850 850  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -856,17 +856,15 @@
856 856  
857 857  
858 858  
859 -
860 860  ==== 3.4.2.5 Poll trigger settings ====
861 861  
862 862  
863 -Poll trigger settings,
933 +Poll trigger settings
864 864  
865 865  * (% style="color:#037691" %)**AT Command:**
866 866  
867 867  There is no AT Command for this feature.
868 868  
869 -
870 870  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
871 871  
872 872  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -878,15 +878,11 @@
878 878  
879 879  Enable Disable DI1/DI2/DI2 as trigger,
880 880  
881 -* (% style="color:#037691" %)**AT Command:**
950 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
882 882  
883 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
952 +**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
884 884  
885 885  
886 -**Example:**
887 -
888 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
889 -
890 890  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
891 891  
892 892  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -898,20 +898,15 @@
898 898  
899 899  Set DI1 or DI3(for LT-33222-L) trigger.
900 900  
901 -* (% style="color:#037691" %)**AT Command:**
966 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
902 902  
903 -(% style="color:blue" %)**AT+TRIG1=a,b**
904 -
905 905  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
906 906  
907 907  (% style="color:red" %)**b :** (%%)delay timing.
908 908  
972 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
909 909  
910 -**Example:**
911 911  
912 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
913 -
914 -
915 915  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
916 916  
917 917  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -923,23 +923,18 @@
923 923  
924 924  Set DI2 trigger.
925 925  
926 -* (% style="color:#037691" %)**AT Command:**
986 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
927 927  
928 -(% style="color:blue" %)**AT+TRIG2=a,b**
929 -
930 930  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
931 931  
932 932  (% style="color:red" %)**b :** (%%)delay timing.
933 933  
992 +**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
934 934  
935 -**Example:**
936 936  
937 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
938 -
939 -
940 940  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
941 941  
942 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
997 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
943 943  
944 944  
945 945  
... ... @@ -948,11 +948,8 @@
948 948  
949 949  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
950 950  
951 -* (% style="color:#037691" %)**AT Command**
1006 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
952 952  
953 -(% style="color:blue" %)**AT+ACLIM**
954 -
955 -
956 956  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
957 957  
958 958  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -964,11 +964,8 @@
964 964  
965 965  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
966 966  
967 -* (% style="color:#037691" %)**AT Command**
1019 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
968 968  
969 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
970 -
971 -
972 972  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
973 973  
974 974  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -980,18 +980,13 @@
980 980  
981 981  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
982 982  
983 -* (% style="color:#037691" %)**AT Command**
1032 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
984 984  
985 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
986 -
987 -
988 988  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
989 989  
990 990  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
991 991  
992 992  (((
993 -
994 -
995 995  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
996 996  )))
997 997  
... ... @@ -1006,8 +1006,9 @@
1006 1006  
1007 1007  
1008 1008  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1009 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1010 1010  
1054 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1055 +
1011 1011  (((
1012 1012  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1013 1013  )))
... ... @@ -1014,10 +1014,14 @@
1014 1014  
1015 1015  (((
1016 1016  01: Low,  00: High ,  11: No action
1062 +
1063 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1064 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1065 +|02  01  00  11|Low|High|No Action
1066 +|02  00  11  01|High|No Action|Low
1067 +|02  11  01  00|No Action|Low|High
1017 1017  )))
1018 1018  
1019 -[[image:image-20220524092754-5.png]]
1020 -
1021 1021  (((
1022 1022  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1023 1023  )))
... ... @@ -1054,30 +1054,37 @@
1054 1054  
1055 1055  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1056 1056  
1057 -[[image:image-20220524093238-6.png]]
1106 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1107 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1108 +|0x01|DO1 set to low
1109 +|0x00|DO1 set to high
1110 +|0x11|DO1 NO Action
1058 1058  
1059 -
1060 1060  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1061 1061  
1062 -[[image:image-20220524093328-7.png]]
1114 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1115 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1116 +|0x01|DO2 set to low
1117 +|0x00|DO2 set to high
1118 +|0x11|DO2 NO Action
1063 1063  
1064 -
1065 1065  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1066 1066  
1067 -[[image:image-20220524093351-8.png]]
1122 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1123 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1124 +|0x01|DO3 set to low
1125 +|0x00|DO3 set to high
1126 +|0x11|DO3 NO Action
1068 1068  
1128 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1069 1069  
1070 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1071 1071  
1072 - Latching time. Unit: ms
1131 +(% style="color:red" %)**Note: **
1073 1073  
1074 -Note:
1075 -
1076 1076   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1077 1077  
1078 1078   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1079 1079  
1080 -
1081 1081  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1082 1082  
1083 1083  
... ... @@ -1101,7 +1101,7 @@
1101 1101  
1102 1102  
1103 1103  
1104 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1160 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1105 1105  
1106 1106  
1107 1107  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1120,10 +1120,17 @@
1120 1120  
1121 1121  (((
1122 1122  01: Close ,  00: Open , 11: No action
1123 -)))
1124 1124  
1125 -(((
1126 -[[image:image-20220524093724-9.png]]
1180 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1181 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1182 +|03  00  11|Open|No Action
1183 +|03  01  11|Close|No Action
1184 +|03  11  00|No Action|Open
1185 +|03  11  01|No Action|Close
1186 +|03  00  00|Open|Open
1187 +|03  01  01|Close|Close
1188 +|03  01  00|Close|Open
1189 +|03  00  01|Open|Close
1127 1127  )))
1128 1128  
1129 1129  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1130,7 +1130,6 @@
1130 1130  
1131 1131  
1132 1132  
1133 -
1134 1134  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1135 1135  
1136 1136  
... ... @@ -1162,8 +1162,9 @@
1162 1162  
1163 1163  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1164 1164  
1165 -Note:
1166 1166  
1228 +(% style="color:red" %)**Note:**
1229 +
1167 1167   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1168 1168  
1169 1169   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1174,7 +1174,7 @@
1174 1174  
1175 1175  **Example payload:**
1176 1176  
1177 -**~1. 05 01 11 07 D**
1240 +**~1. 05 01 11 07 D0**
1178 1178  
1179 1179  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1180 1180  
... ... @@ -1197,11 +1197,8 @@
1197 1197  
1198 1198  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 1199  
1200 -* (% style="color:#037691" %)**AT Command:**
1263 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1201 1201  
1202 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1203 -
1204 -
1205 1205  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1206 1206  
1207 1207  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1211,10 +1211,8 @@
1211 1211  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1212 1212  
1213 1213  
1214 -* (% style="color:#037691" %)**AT Command:**
1274 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1215 1215  
1216 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1217 -
1218 1218  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1219 1219  
1220 1220  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1231,11 +1231,8 @@
1231 1231  
1232 1232  Clear counting for counting mode
1233 1233  
1234 -* (% style="color:#037691" %)**AT Command:**
1292 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1235 1235  
1236 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1237 -
1238 -
1239 1239  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1240 1240  
1241 1241  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1309,7 +1309,6 @@
1309 1309  
1310 1310  
1311 1311  
1312 -
1313 1313  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1314 1314  
1315 1315  
... ... @@ -1326,7 +1326,6 @@
1326 1326  
1327 1327  
1328 1328  
1329 -
1330 1330  ==== 3.4.2.25 Copy downlink to uplink ====
1331 1331  
1332 1332  
... ... @@ -1389,7 +1389,7 @@
1389 1389  
1390 1390  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1391 1391  
1392 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1445 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1393 1393  
1394 1394  Search under The things network
1395 1395  
... ... @@ -1428,7 +1428,7 @@
1428 1428  
1429 1429  
1430 1430  (((
1431 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1484 +The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1432 1432  )))
1433 1433  
1434 1434  (((
... ... @@ -1480,8 +1480,6 @@
1480 1480  
1481 1481  (((
1482 1482  
1483 -
1484 -
1485 1485  )))
1486 1486  
1487 1487  (((
... ... @@ -1513,8 +1513,6 @@
1513 1513  
1514 1514  (((
1515 1515  
1516 -
1517 -
1518 1518  )))
1519 1519  
1520 1520  (((
... ... @@ -1545,12 +1545,22 @@
1545 1545  )))
1546 1546  
1547 1547  
1597 +(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1598 +
1599 +From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1600 +
1601 +To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1602 +
1603 +[[image:image-20230616235145-1.png]]
1604 +
1605 +
1606 +
1548 1548  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1549 1549  
1550 1550  
1551 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1610 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1552 1552  
1553 -Note: DO pins go to float when device is power off.
1612 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1554 1554  
1555 1555  [[image:1653357531600-905.png]]
1556 1556  
... ... @@ -1572,13 +1572,12 @@
1572 1572  
1573 1573  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1574 1574  
1575 -**Red:  12~~24v**
1634 +(% style="color:red" %)**Red:  12~~24v**
1576 1576  
1577 -**Yellow:  4~~20mA**
1636 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1578 1578  
1579 1579  **Black:  GND**
1580 1580  
1581 -
1582 1582  **Connection diagram:**
1583 1583  
1584 1584  [[image:1653357640609-758.png]]
... ... @@ -1586,6 +1586,22 @@
1586 1586  [[image:1653357648330-671.png||height="155" width="733"]]
1587 1587  
1588 1588  
1647 +Example connected to a regulated power supply to measure voltage
1648 +
1649 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1650 +
1651 +[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1652 +
1653 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1654 +
1655 +
1656 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1657 +
1658 +(% style="color:red" %)**Red:  12~~24v**
1659 +
1660 +**Black:  GND**
1661 +
1662 +
1589 1589  === 3.6.5 Relay Output ===
1590 1590  
1591 1591  
... ... @@ -1604,9 +1604,40 @@
1604 1604  == 3.7 LEDs Indicators ==
1605 1605  
1606 1606  
1607 -[[image:image-20220524100748-11.png]]
1681 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1682 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1683 +|**PWR**|Always on if there is power
1684 +|**SYS**|(((
1685 +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.
1686 +)))
1687 +|**TX**|(((
1688 +(((
1689 +Device boot: TX blinks 5 times.
1690 +)))
1608 1608  
1692 +(((
1693 +Successful join network: TX ON for 5 seconds.
1694 +)))
1609 1609  
1696 +(((
1697 +Transmit a LoRa packet: TX blinks once
1698 +)))
1699 +)))
1700 +|**RX**|RX blinks once when receive a packet.
1701 +|**DO1**|
1702 +|**DO2**|
1703 +|**DO3**|
1704 +|**DI2**|(((
1705 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1706 +)))
1707 +|**DI2**|(((
1708 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1709 +)))
1710 +|**DI2**|(((
1711 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1712 +)))
1713 +|**RO1**|
1714 +|**RO2**|
1610 1610  
1611 1611  = 4. Use AT Command =
1612 1612  
... ... @@ -1938,7 +1938,7 @@
1938 1938  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1939 1939  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1940 1940  
1941 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
2046 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1942 1942  
1943 1943  
1944 1944  )))
... ... @@ -1951,7 +1951,6 @@
1951 1951  
1952 1952  )))
1953 1953  
1954 -
1955 1955  === 4.2.3 Change to Class A ===
1956 1956  
1957 1957  
... ... @@ -1963,11 +1963,19 @@
1963 1963  )))
1964 1964  
1965 1965  
1966 -= 5. FAQ =
2070 += 5. Case Study =
1967 1967  
1968 -== 5.1 How to upgrade the image? ==
2072 +== 5.1 Counting how many objects pass in Flow Line ==
1969 1969  
1970 1970  
2075 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2076 +
2077 +
2078 += 6. FAQ =
2079 +
2080 +== 6.1 How to upgrade the image? ==
2081 +
2082 +
1971 1971  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1972 1972  
1973 1973  * Support new features
... ... @@ -1981,7 +1981,7 @@
1981 1981  
1982 1982  (((
1983 1983  (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1984 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2096 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
1985 1985  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1986 1986  
1987 1987  
... ... @@ -1995,8 +1995,10 @@
1995 1995  
1996 1996   [[image:image-20220524103407-12.png]]
1997 1997  
2110 +
1998 1998  [[image:image-20220524103429-13.png]]
1999 1999  
2113 +
2000 2000  [[image:image-20220524104033-15.png]]
2001 2001  
2002 2002  
... ... @@ -2008,7 +2008,7 @@
2008 2008  
2009 2009  (((
2010 2010  (((
2011 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2125 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2012 2012  
2013 2013  
2014 2014  )))
... ... @@ -2021,7 +2021,7 @@
2021 2021  (((
2022 2022  
2023 2023  
2024 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2138 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2025 2025  
2026 2026  
2027 2027  )))
... ... @@ -2084,14 +2084,20 @@
2084 2084  [[image:1653360498588-932.png||height="485" width="726"]]
2085 2085  
2086 2086  
2087 -== 5.4 Can I see counting event in Serial? ==
2201 +== 6.4 How to change the uplink interval？ ==
2088 2088  
2089 2089  
2204 +Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2205 +
2206 +
2207 +== 6.5 Can I see counting event in Serial? ==
2208 +
2209 +
2090 2090  (((
2091 2091  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.
2092 2092  
2093 2093  
2094 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2214 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2095 2095  
2096 2096  
2097 2097  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2100,7 +2100,7 @@
2100 2100  )))
2101 2101  
2102 2102  (((
2103 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2223 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2104 2104  
2105 2105  
2106 2106  If the device is not shut down, but directly powered off.
... ... @@ -2112,7 +2112,7 @@
2112 2112  After restart, the status before power failure will be read from flash.
2113 2113  
2114 2114  
2115 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2235 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2116 2116  
2117 2117  
2118 2118  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2121,18 +2121,18 @@
2121 2121  [[image:image-20221006170630-1.png||height="610" width="945"]]
2122 2122  
2123 2123  
2124 -== 5.8 Can LT22222-L save RO state? ==
2244 +== 6.9 Can LT22222-L save RO state? ==
2125 2125  
2126 2126  
2127 2127  Firmware version needs to be no less than 1.6.0.
2128 2128  
2129 2129  
2130 -= 6. Trouble Shooting =
2250 += 7. Trouble Shooting =
2131 2131  )))
2132 2132  
2133 2133  (((
2134 2134  (((
2135 -== 6.1 Downlink doesn't work, how to solve it? ==
2255 +== 7.1 Downlink doesn't work, how to solve it? ==
2136 2136  
2137 2137  
2138 2138  )))
... ... @@ -2145,7 +2145,7 @@
2145 2145  (((
2146 2146  
2147 2147  
2148 -== 6.2 Have trouble to upload image. ==
2268 +== 7.2 Have trouble to upload image. ==
2149 2149  
2150 2150  
2151 2151  )))
... ... @@ -2157,7 +2157,7 @@
2157 2157  (((
2158 2158  
2159 2159  
2160 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2280 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2161 2161  
2162 2162  
2163 2163  )))
... ... @@ -2167,7 +2167,7 @@
2167 2167  )))
2168 2168  
2169 2169  
2170 -= 7. Order Info =
2290 += 8. Order Info =
2171 2171  
2172 2172  
2173 2173  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2184,11 +2184,9 @@
2184 2184  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 2185  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2186 2186  
2307 += 9. Packing Info =
2187 2187  
2188 2188  
2189 -= 8. Packing Info =
2190 -
2191 -
2192 2192  **Package Includes**:
2193 2193  
2194 2194  * LT-22222-L I/O Controller x 1
... ... @@ -2203,24 +2203,24 @@
2203 2203  * Package Size / pcs : 14.5 x 8 x 5 cm
2204 2204  * Weight / pcs : 170g
2205 2205  
2324 += 10. Support =
2206 2206  
2207 2207  
2208 -= 9. Support =
2209 -
2210 -
2211 2211  * (((
2212 2212  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.
2213 2213  )))
2214 2214  * (((
2215 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2331 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2216 2216  
2217 2217  
2218 2218  
2219 2219  )))
2220 2220  
2221 -= 10. Reference​​​​​ =
2337 += 11. Reference​​​​​ =
2222 2222  
2223 2223  
2224 2224  * 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]]
2225 2225  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2226 2226  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2343 +
2344 +
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