Last modified by Mengting Qiu on 2025/06/04 18:42

From version 110.1
edited by Bei Jinggeng
on 2022/12/22 09:19
Change comment: There is no comment for this version
To version 126.1
edited by Edwin Chen
on 2023/06/17 09:43
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
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  
... ... @@ -179,31 +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 -
190 190  == 1.4  Applications ==
191 191  
192 192  
193 193  * Smart Buildings & Home Automation
196 +
194 194  * Logistics and Supply Chain Management
198 +
195 195  * Smart Metering
200 +
196 196  * Smart Agriculture
202 +
197 197  * Smart Cities
204 +
198 198  * Smart Factory
199 199  
200 -
201 201  == 1.5 Hardware Variants ==
202 202  
203 203  
204 -(% border="1" style="background-color:#f7faff; width:500px" %)
205 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
206 -|(% 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" %)(((
207 207  * 2 x Digital Input (Bi-direction)
208 208  * 2 x Digital Output
209 209  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -212,7 +212,6 @@
212 212  * 1 x Counting Port
213 213  )))
214 214  
215 -
216 216  = 2. Power ON Device =
217 217  
218 218  
... ... @@ -269,7 +269,7 @@
269 269  Each LT is shipped with a sticker with the default device EUI as below:
270 270  )))
271 271  
272 -[[image:1653297924498-393.png]]
280 +[[image:image-20230425173427-2.png||height="246" width="530"]]
273 273  
274 274  
275 275  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -294,7 +294,6 @@
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
295 295  
296 296  
297 -
298 298  == 3.3 Uplink Payload ==
299 299  
300 300  
... ... @@ -301,30 +301,46 @@
301 301  There are five working modes + one interrupt mode on LT for different type application:
302 302  
303 303  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
311 +
304 304  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
313 +
305 305  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315 +
306 306  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
317 +
307 307  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
319 +
308 308  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
309 309  
310 -
311 311  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
312 312  
313 313  
314 314  (((
315 -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
316 316  )))
317 317  
318 -[[image:image-20220523174024-3.png]]
319 -
320 320  (((
321 -
322 -
323 323  (% 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
324 324  )))
325 325  
326 -[[image:image-20220523174254-4.png]]
327 -
328 328  * RO is for relay. ROx=1 : close,ROx=0 always open.
329 329  * DI is for digital input. DIx=1: high or float, DIx=0: low.
330 330  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -364,7 +364,6 @@
364 364  ** DO1 is high in case there is load between DO1 and V+.
365 365  ** DO1 LED is off in both case
366 366  
367 -
368 368  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
369 369  
370 370  
... ... @@ -374,18 +374,24 @@
374 374  
375 375  (((
376 376  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
377 377  )))
378 378  
379 -[[image:image-20220523180452-3.png]]
380 -
381 -
382 382  (((
383 383  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
384 -)))
385 385  
386 -[[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
387 387  
388 -* 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 +
389 389  * FIRST: Indicate this is the first packet after join network.
390 390  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
391 391  
... ... @@ -416,14 +416,11 @@
416 416  
417 417  
418 418  (% style="color:#4f81bd" %)**AT Commands for counting:**
419 -
420 -
421 421  )))
422 422  
423 423  (((
424 424  **For LT22222-L:**
425 425  
426 -
427 427  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
428 428  
429 429  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -443,16 +443,22 @@
443 443  
444 444  **LT22222-L**: This mode the DI1 is used as a counting pin.
445 445  
446 -[[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
447 447  
448 448  (((
449 -
450 -
451 451  (% 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
452 452  )))
453 453  
454 -[[image:image-20220523181301-6.png]]
455 -
456 456  * RO is for relay. ROx=1 : close,ROx=0 always open.
457 457  * FIRST: Indicate this is the first packet after join network.
458 458  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -493,17 +493,22 @@
493 493  
494 494  (((
495 495  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
496 496  )))
497 497  
498 -[[image:image-20220523181903-8.png]]
499 -
500 -
501 501  (((
502 502  (% 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
503 503  )))
504 504  
505 -[[image:image-20220523181727-7.png]]
506 -
507 507  * RO is for relay. ROx=1 : close,ROx=0 always open.
508 508  * FIRST: Indicate this is the first packet after join network.
509 509  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -537,11 +537,8 @@
537 537  )))
538 538  
539 539  (((
540 -
541 -
542 542  **Plus below command for AVI1 Counting:**
543 543  
544 -
545 545  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
546 546  
547 547  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -557,12 +557,24 @@
557 557  
558 558  **LT22222-L**: This mode the DI1 is used as a counting pin.
559 559  
560 -[[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
561 561  
562 562  (((
563 -
564 -
565 565  (% 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
566 566  )))
567 567  
568 568  * RO is for relay. ROx=1 : close,ROx=0 always open.
... ... @@ -653,7 +653,6 @@
653 653  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
654 654  
655 655  
656 -
657 657  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
658 658  
659 659  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -688,12 +688,39 @@
688 688  
689 689  MOD6 Payload : total 11 bytes payload
690 690  
691 -[[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 +)))
692 692  
693 -
694 694  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
695 695  
696 -[[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 +)))
697 697  
698 698  * Each bits shows if the corresponding trigger has been configured.
699 699  
... ... @@ -702,10 +702,27 @@
702 702  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
703 703  
704 704  
705 -
706 706  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
707 707  
708 -[[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 +)))
709 709  
710 710  * Each bits shows which status has been trigger on this uplink.
711 711  
... ... @@ -714,10 +714,11 @@
714 714  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
715 715  
716 716  
717 -
718 718  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
719 719  
720 -[[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
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
... ... @@ -728,7 +728,6 @@
728 728  00000101: Means both DI1 and DI2 trigger are enabled.
729 729  
730 730  
731 -
732 732  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
733 733  
734 734  Downlink command to poll MOD6 status:
... ... @@ -764,7 +764,6 @@
764 764  
765 765  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
766 766  
767 -
768 768  === 3.4.1 Common Commands ===
769 769  
770 770  
... ... @@ -799,14 +799,10 @@
799 799  
800 800  Set work mode.
801 801  
802 -* (% style="color:#037691" %)**AT Command:**
889 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
803 803  
804 -(% style="color:blue" %)**AT+MOD=N  **
805 -
806 -
807 807  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
808 808  
809 -
810 810  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
811 811  
812 812  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -816,16 +816,12 @@
816 816  ==== 3.4.2.3 Poll an uplink ====
817 817  
818 818  
819 -* (% style="color:#037691" %)**AT Command:**
902 +* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
820 820  
821 -There is no AT Command to poll uplink
822 -
823 -
824 824  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
825 825  
826 826  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
827 827  
828 -
829 829  **Example**: 0x08FF, ask device to send an Uplink
830 830  
831 831  
... ... @@ -835,10 +835,8 @@
835 835  
836 836  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
837 837  
838 -* (% style="color:#037691" %)**AT Command:**
917 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
839 839  
840 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
841 -
842 842  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
843 843  
844 844  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -850,17 +850,15 @@
850 850  
851 851  
852 852  
853 -
854 854  ==== 3.4.2.5 Poll trigger settings ====
855 855  
856 856  
857 -Poll trigger settings,
933 +Poll trigger settings
858 858  
859 859  * (% style="color:#037691" %)**AT Command:**
860 860  
861 861  There is no AT Command for this feature.
862 862  
863 -
864 864  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
865 865  
866 866  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -872,15 +872,11 @@
872 872  
873 873  Enable Disable DI1/DI2/DI2 as trigger,
874 874  
875 -* (% style="color:#037691" %)**AT Command:**
950 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
876 876  
877 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
952 +**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
878 878  
879 879  
880 -**Example:**
881 -
882 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
883 -
884 884  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
885 885  
886 886  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -892,20 +892,15 @@
892 892  
893 893  Set DI1 or DI3(for LT-33222-L) trigger.
894 894  
895 -* (% style="color:#037691" %)**AT Command:**
966 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
896 896  
897 -(% style="color:blue" %)**AT+TRIG1=a,b**
898 -
899 899  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
900 900  
901 901  (% style="color:red" %)**b :** (%%)delay timing.
902 902  
972 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
903 903  
904 -**Example:**
905 905  
906 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
907 -
908 -
909 909  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
910 910  
911 911  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -917,20 +917,15 @@
917 917  
918 918  Set DI2 trigger.
919 919  
920 -* (% style="color:#037691" %)**AT Command:**
986 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
921 921  
922 -(% style="color:blue" %)**AT+TRIG2=a,b**
923 -
924 924  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
925 925  
926 926  (% style="color:red" %)**b :** (%%)delay timing.
927 927  
992 +**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
928 928  
929 -**Example:**
930 930  
931 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
932 -
933 -
934 934  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
935 935  
936 936  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -942,11 +942,8 @@
942 942  
943 943  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
944 944  
945 -* (% style="color:#037691" %)**AT Command**
1006 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
946 946  
947 -(% style="color:blue" %)**AT+ACLIM**
948 -
949 -
950 950  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
951 951  
952 952  (% 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"]]
... ... @@ -958,11 +958,8 @@
958 958  
959 959  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
960 960  
961 -* (% style="color:#037691" %)**AT Command**
1019 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
962 962  
963 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 -
965 -
966 966  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
967 967  
968 968  (% 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"]]
... ... @@ -974,18 +974,13 @@
974 974  
975 975  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
976 976  
977 -* (% 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.
978 978  
979 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
980 -
981 -
982 982  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
983 983  
984 984  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
985 985  
986 986  (((
987 -
988 -
989 989  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
990 990  )))
991 991  
... ... @@ -1000,8 +1000,9 @@
1000 1000  
1001 1001  
1002 1002  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1003 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1004 1004  
1054 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1055 +
1005 1005  (((
1006 1006  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1007 1007  )))
... ... @@ -1008,10 +1008,14 @@
1008 1008  
1009 1009  (((
1010 1010  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
1011 1011  )))
1012 1012  
1013 -[[image:image-20220524092754-5.png]]
1014 -
1015 1015  (((
1016 1016  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1017 1017  )))
... ... @@ -1048,30 +1048,37 @@
1048 1048  
1049 1049  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1050 1050  
1051 -[[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
1052 1052  
1053 -
1054 1054  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1055 1055  
1056 -[[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
1057 1057  
1058 -
1059 1059  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1060 1060  
1061 -[[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
1062 1062  
1128 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1063 1063  
1064 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1065 1065  
1066 - Latching time. Unit: ms
1131 +(% style="color:red" %)**Note: **
1067 1067  
1068 -Note:
1069 -
1070 1070   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1071 1071  
1072 1072   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1073 1073  
1074 -
1075 1075  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1076 1076  
1077 1077  
... ... @@ -1095,7 +1095,7 @@
1095 1095  
1096 1096  
1097 1097  
1098 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1160 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1099 1099  
1100 1100  
1101 1101  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1114,10 +1114,17 @@
1114 1114  
1115 1115  (((
1116 1116  01: Close ,  00: Open , 11: No action
1117 -)))
1118 1118  
1119 -(((
1120 -[[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
1121 1121  )))
1122 1122  
1123 1123  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1124,7 +1124,6 @@
1124 1124  
1125 1125  
1126 1126  
1127 -
1128 1128  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1129 1129  
1130 1130  
... ... @@ -1156,8 +1156,9 @@
1156 1156  
1157 1157  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1158 1158  
1159 -Note:
1160 1160  
1228 +(% style="color:red" %)**Note:**
1229 +
1161 1161   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1162 1162  
1163 1163   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1168,7 +1168,7 @@
1168 1168  
1169 1169  **Example payload:**
1170 1170  
1171 -**~1. 05 01 11 07 D**
1240 +**~1. 05 01 11 07 D0**
1172 1172  
1173 1173  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1174 1174  
... ... @@ -1191,11 +1191,8 @@
1191 1191  
1192 1192  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1193 1193  
1194 -* (% style="color:#037691" %)**AT Command:**
1263 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1195 1195  
1196 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 -
1198 -
1199 1199  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1200 1200  
1201 1201  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1205,10 +1205,8 @@
1205 1205  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1206 1206  
1207 1207  
1208 -* (% style="color:#037691" %)**AT Command:**
1274 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1209 1209  
1210 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1211 -
1212 1212  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1213 1213  
1214 1214  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1225,11 +1225,8 @@
1225 1225  
1226 1226  Clear counting for counting mode
1227 1227  
1228 -* (% style="color:#037691" %)**AT Command:**
1292 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1229 1229  
1230 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1231 -
1232 -
1233 1233  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1234 1234  
1235 1235  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1303,7 +1303,6 @@
1303 1303  
1304 1304  
1305 1305  
1306 -
1307 1307  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1308 1308  
1309 1309  
... ... @@ -1320,7 +1320,6 @@
1320 1320  
1321 1321  
1322 1322  
1323 -
1324 1324  ==== 3.4.2.25 Copy downlink to uplink ====
1325 1325  
1326 1326  
... ... @@ -1383,7 +1383,7 @@
1383 1383  
1384 1384  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1385 1385  
1386 -(% 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" %)
1387 1387  
1388 1388  Search under The things network
1389 1389  
... ... @@ -1422,12 +1422,12 @@
1422 1422  
1423 1423  
1424 1424  (((
1425 -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.
1426 1426  )))
1427 1427  
1428 1428  (((
1429 1429  (((
1430 -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.
1489 +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). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1431 1431  
1432 1432  
1433 1433  )))
... ... @@ -1474,8 +1474,6 @@
1474 1474  
1475 1475  (((
1476 1476  
1477 -
1478 -
1479 1479  )))
1480 1480  
1481 1481  (((
... ... @@ -1507,8 +1507,6 @@
1507 1507  
1508 1508  (((
1509 1509  
1510 -
1511 -
1512 1512  )))
1513 1513  
1514 1514  (((
... ... @@ -1539,12 +1539,22 @@
1539 1539  )))
1540 1540  
1541 1541  
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 +
1542 1542  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1543 1543  
1544 1544  
1545 -**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.
1546 1546  
1547 -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.**
1548 1548  
1549 1549  [[image:1653357531600-905.png]]
1550 1550  
... ... @@ -1566,13 +1566,12 @@
1566 1566  
1567 1567  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1568 1568  
1569 -**Red:  12~~24v**
1634 +(% style="color:red" %)**Red:  12~~24v**
1570 1570  
1571 -**Yellow:  4~~20mA**
1636 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1572 1572  
1573 1573  **Black:  GND**
1574 1574  
1575 -
1576 1576  **Connection diagram:**
1577 1577  
1578 1578  [[image:1653357640609-758.png]]
... ... @@ -1580,6 +1580,22 @@
1580 1580  [[image:1653357648330-671.png||height="155" width="733"]]
1581 1581  
1582 1582  
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 +
1583 1583  === 3.6.5 Relay Output ===
1584 1584  
1585 1585  
... ... @@ -1598,9 +1598,40 @@
1598 1598  == 3.7 LEDs Indicators ==
1599 1599  
1600 1600  
1601 -[[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 +)))
1602 1602  
1692 +(((
1693 +Successful join network: TX ON for 5 seconds.
1694 +)))
1603 1603  
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**|
1604 1604  
1605 1605  = 4. Use AT Command =
1606 1606  
... ... @@ -1932,7 +1932,7 @@
1932 1932  **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?
1933 1933  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1934 1934  
1935 -**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.**
1936 1936  
1937 1937  
1938 1938  )))
... ... @@ -1945,7 +1945,6 @@
1945 1945  
1946 1946  )))
1947 1947  
1948 -
1949 1949  === 4.2.3 Change to Class A ===
1950 1950  
1951 1951  
... ... @@ -1957,11 +1957,19 @@
1957 1957  )))
1958 1958  
1959 1959  
1960 -= 5. FAQ =
2070 += 5. Case Study =
1961 1961  
1962 -== 5.1 How to upgrade the image? ==
2072 +== 5.1 Counting how many objects pass in Flow Line ==
1963 1963  
1964 1964  
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 +
1965 1965  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1966 1966  
1967 1967  * Support new features
... ... @@ -1975,7 +1975,7 @@
1975 1975  
1976 1976  (((
1977 1977  (% 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]].
1978 -(% 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]].
1979 1979  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1980 1980  
1981 1981  
... ... @@ -1989,8 +1989,10 @@
1989 1989  
1990 1990   [[image:image-20220524103407-12.png]]
1991 1991  
2110 +
1992 1992  [[image:image-20220524103429-13.png]]
1993 1993  
2113 +
1994 1994  [[image:image-20220524104033-15.png]]
1995 1995  
1996 1996  
... ... @@ -2002,7 +2002,7 @@
2002 2002  
2003 2003  (((
2004 2004  (((
2005 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2125 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2006 2006  
2007 2007  
2008 2008  )))
... ... @@ -2015,7 +2015,7 @@
2015 2015  (((
2016 2016  
2017 2017  
2018 -== 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? ==
2019 2019  
2020 2020  
2021 2021  )))
... ... @@ -2078,14 +2078,20 @@
2078 2078  [[image:1653360498588-932.png||height="485" width="726"]]
2079 2079  
2080 2080  
2081 -== 5.4 Can I see counting event in Serial? ==
2201 +== 6.4 How to change the uplink interval ==
2082 2082  
2083 2083  
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 +
2084 2084  (((
2085 2085  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.
2086 2086  
2087 2087  
2088 -== 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? ==
2089 2089  
2090 2090  
2091 2091  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]].
... ... @@ -2094,7 +2094,7 @@
2094 2094  )))
2095 2095  
2096 2096  (((
2097 -== 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? ==
2098 2098  
2099 2099  
2100 2100  If the device is not shut down, but directly powered off.
... ... @@ -2106,7 +2106,7 @@
2106 2106  After restart, the status before power failure will be read from flash.
2107 2107  
2108 2108  
2109 -== 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? ==
2110 2110  
2111 2111  
2112 2112  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2115,18 +2115,18 @@
2115 2115  [[image:image-20221006170630-1.png||height="610" width="945"]]
2116 2116  
2117 2117  
2118 -== 5.Can LT22222-L save RO state? ==
2244 +== 6.9 Can LT22222-L save RO state? ==
2119 2119  
2120 2120  
2121 2121  Firmware version needs to be no less than 1.6.0.
2122 2122  
2123 2123  
2124 -= 6. Trouble Shooting =
2250 += 7. Trouble Shooting =
2125 2125  )))
2126 2126  
2127 2127  (((
2128 2128  (((
2129 -== 6.1 Downlink doesn't work, how to solve it? ==
2255 +== 7.1 Downlink doesn't work, how to solve it? ==
2130 2130  
2131 2131  
2132 2132  )))
... ... @@ -2139,7 +2139,7 @@
2139 2139  (((
2140 2140  
2141 2141  
2142 -== 6.2 Have trouble to upload image. ==
2268 +== 7.2 Have trouble to upload image. ==
2143 2143  
2144 2144  
2145 2145  )))
... ... @@ -2151,7 +2151,7 @@
2151 2151  (((
2152 2152  
2153 2153  
2154 -== 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? ==
2155 2155  
2156 2156  
2157 2157  )))
... ... @@ -2161,7 +2161,7 @@
2161 2161  )))
2162 2162  
2163 2163  
2164 -= 7. Order Info =
2290 += 8. Order Info =
2165 2165  
2166 2166  
2167 2167  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2178,10 +2178,9 @@
2178 2178  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2179 2179  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2180 2180  
2307 += 9. Packing Info =
2181 2181  
2182 -= 8. Packing Info =
2183 2183  
2184 -
2185 2185  **Package Includes**:
2186 2186  
2187 2187  * LT-22222-L I/O Controller x 1
... ... @@ -2196,23 +2196,24 @@
2196 2196  * Package Size / pcs : 14.5 x 8 x 5 cm
2197 2197  * Weight / pcs : 170g
2198 2198  
2324 += 10. Support =
2199 2199  
2200 -= 9. Support =
2201 2201  
2202 -
2203 2203  * (((
2204 2204  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.
2205 2205  )))
2206 2206  * (((
2207 -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]]
2208 2208  
2209 2209  
2210 2210  
2211 2211  )))
2212 2212  
2213 -= 10. Reference​​​​​ =
2337 += 11. Reference​​​​​ =
2214 2214  
2215 2215  
2216 2216  * 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]]
2217 2217  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2218 2218  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2343 +
2344 +
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