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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.2
edited by Xiaoling
on 2023/06/19 15:31
Change comment: There is no comment for this version
To version 109.1
edited by Edwin Chen
on 2022/11/19 11:32
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
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
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.
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.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,17 +176,11 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 192  == 1.4  Applications ==
... ... @@ -193,26 +193,18 @@
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
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" %)(((
202 +(% border="1" style="background-color:#f7faff; width:500px" %)
203 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -237,8 +237,10 @@
237 237  [[image:1653297104069-180.png]]
238 238  
239 239  
229 +
240 240  = 3. Operation Mode =
241 241  
232 +
242 242  == 3.1 How it works? ==
243 243  
244 244  
... ... @@ -251,6 +251,7 @@
251 251  )))
252 252  
253 253  
245 +
254 254  == 3.2 Example to join LoRaWAN network ==
255 255  
256 256  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
297 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -308,15 +308,10 @@
308 308  There are five working modes + one interrupt mode on LT for different type application:
309 309  
310 310  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
311 -
312 312  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
313 -
314 314  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315 -
316 316  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
319 -
320 320  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
321 321  
322 322  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -323,31 +323,19 @@
323 323  
324 324  
325 325  (((
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
314 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
341 341  )))
342 342  
317 +[[image:image-20220523174024-3.png]]
318 +
343 343  (((
344 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
320 +
345 345  
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
322 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
349 349  )))
350 350  
325 +[[image:image-20220523174254-4.png]]
326 +
351 351  * RO is for relay. ROx=1 : close，ROx=0 always open.
352 352  * DI is for digital input. DIx=1: high or float, DIx=0: low.
353 353  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -396,24 +396,18 @@
396 396  
397 397  (((
398 398  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
405 405  )))
406 406  
407 -(((
408 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
377 +[[image:image-20220523180452-3.png]]
409 409  
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
413 413  
414 -RO is for relay. ROx=1 : close，ROx=0 always open.
380 +(((
381 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
415 415  )))
416 416  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
417 417  * FIRST: Indicate this is the first packet after join network.
418 418  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
419 419  
... ... @@ -444,11 +444,14 @@
444 444  
445 445  
446 446  (% style="color:#4f81bd" %)**AT Commands for counting:**
417 +
418 +
447 447  )))
448 448  
449 449  (((
450 450  **For LT22222-L:**
451 451  
424 +
452 452  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
453 453  
454 454  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -463,27 +463,22 @@
463 463  )))
464 464  
465 465  
439 +
466 466  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
467 467  
468 468  
469 469  **LT22222-L**: This mode the DI1 is used as a counting pin.
470 470  
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
445 +[[image:image-20220523181246-5.png]]
478 478  
479 479  (((
480 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
448 +
481 481  
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
450 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
485 485  )))
486 486  
453 +[[image:image-20220523181301-6.png]]
454 +
487 487  * RO is for relay. ROx=1 : close，ROx=0 always open.
488 488  * FIRST: Indicate this is the first packet after join network.
489 489  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -515,6 +515,7 @@
515 515  )))
516 516  
517 517  
486 +
518 518  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
519 519  
520 520  
... ... @@ -524,22 +524,17 @@
524 524  
525 525  (((
526 526  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
533 533  )))
534 534  
498 +[[image:image-20220523181903-8.png]]
499 +
500 +
535 535  (((
536 536  (% 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
541 541  )))
542 542  
505 +[[image:image-20220523181727-7.png]]
506 +
543 543  * RO is for relay. ROx=1 : close，ROx=0 always open.
544 544  * FIRST: Indicate this is the first packet after join network.
545 545  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -573,8 +573,11 @@
573 573  )))
574 574  
575 575  (((
540 +
541 +
576 576  **Plus below command for AVI1 Counting:**
577 577  
544 +
578 578  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
579 579  
580 580  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -585,29 +585,18 @@
585 585  )))
586 586  
587 587  
555 +
588 588  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
589 589  
590 590  
591 591  **LT22222-L**: This mode the DI1 is used as a counting pin.
592 592  
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 +[[image:image-20220523182334-9.png]]
604 604  
605 605  (((
606 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
564 +
607 607  
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 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
611 611  )))
612 612  
613 613  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -644,6 +644,7 @@
644 644  )))
645 645  
646 646  
603 +
647 647  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
648 648  
649 649  
... ... @@ -698,6 +698,7 @@
698 698  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
699 699  
700 700  
658 +
701 701  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
702 702  
703 703  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -732,39 +732,12 @@
732 732  
733 733  MOD6 Payload : total 11 bytes payload
734 734  
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 -)))
693 +[[image:image-20220524085923-1.png]]
746 746  
695 +
747 747  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
748 748  
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 -)))
698 +[[image:image-20220524090106-2.png]]
768 768  
769 769  * Each bits shows if the corresponding trigger has been configured.
770 770  
... ... @@ -773,27 +773,10 @@
773 773  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
774 774  
775 775  
707 +
776 776  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
777 777  
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 -)))
710 +[[image:image-20220524090249-3.png]]
797 797  
798 798  * Each bits shows which status has been trigger on this uplink.
799 799  
... ... @@ -802,11 +802,10 @@
802 802  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
803 803  
804 804  
719 +
805 805  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
806 806  
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
722 +[[image:image-20220524090456-4.png]]
810 810  
811 811  * Each bits shows which status has been trigger on this uplink.
812 812  
... ... @@ -817,6 +817,7 @@
817 817  00000101: Means both DI1 and DI2 trigger are enabled.
818 818  
819 819  
733 +
820 820  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
821 821  
822 822  Downlink command to poll MOD6 status:
... ... @@ -826,6 +826,7 @@
826 826  When device got this command, it will send the MOD6 payload.
827 827  
828 828  
743 +
829 829  === 3.3.7 Payload Decoder ===
830 830  
831 831  (((
... ... @@ -835,6 +835,7 @@
835 835  )))
836 836  
837 837  
753 +
838 838  == 3.4 ​Configure LT via AT or Downlink ==
839 839  
840 840  
... ... @@ -860,8 +860,10 @@
860 860  )))
861 861  
862 862  
779 +
863 863  === 3.4.2 Sensor related commands ===
864 864  
782 +
865 865  ==== 3.4.2.1 Set Transmit Interval ====
866 866  
867 867  
... ... @@ -886,10 +886,14 @@
886 886  
887 887  Set work mode.
888 888  
889 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
807 +* (% style="color:#037691" %)**AT Command:**
890 890  
809 +(% style="color:blue" %)**AT+MOD=N  **
810 +
811 +
891 891  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
892 892  
814 +
893 893  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
894 894  
895 895  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -899,12 +899,16 @@
899 899  ==== 3.4.2.3 Poll an uplink ====
900 900  
901 901  
902 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
824 +* (% style="color:#037691" %)**AT Command:**
903 903  
826 +There is no AT Command to poll uplink
827 +
828 +
904 904  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
905 905  
906 906  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
907 907  
833 +
908 908  **Example**: 0x08FF, ask device to send an Uplink
909 909  
910 910  
... ... @@ -914,8 +914,10 @@
914 914  
915 915  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
916 916  
917 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
843 +* (% style="color:#037691" %)**AT Command:**
918 918  
845 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
846 +
919 919  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
920 920  
921 921  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -927,15 +927,17 @@
927 927  
928 928  
929 929  
858 +
930 930  ==== 3.4.2.5 Poll trigger settings ====
931 931  
932 932  
933 -Poll trigger settings
862 +Poll trigger settings,
934 934  
935 935  * (% style="color:#037691" %)**AT Command:**
936 936  
937 937  There is no AT Command for this feature.
938 938  
868 +
939 939  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
940 940  
941 941  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -947,11 +947,15 @@
947 947  
948 948  Enable Disable DI1/DI2/DI2 as trigger,
949 949  
950 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
880 +* (% style="color:#037691" %)**AT Command:**
951 951  
952 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
882 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
953 953  
954 954  
885 +**Example:**
886 +
887 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
888 +
955 955  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
956 956  
957 957  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -963,15 +963,20 @@
963 963  
964 964  Set DI1 or DI3(for LT-33222-L) trigger.
965 965  
966 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
900 +* (% style="color:#037691" %)**AT Command:**
967 967  
902 +(% style="color:blue" %)**AT+TRIG1=a,b**
903 +
968 968  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
969 969  
970 970  (% style="color:red" %)**b :** (%%)delay timing.
971 971  
972 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
973 973  
909 +**Example:**
974 974  
911 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
912 +
913 +
975 975  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
976 976  
977 977  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -983,18 +983,23 @@
983 983  
984 984  Set DI2 trigger.
985 985  
986 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
925 +* (% style="color:#037691" %)**AT Command:**
987 987  
927 +(% style="color:blue" %)**AT+TRIG2=a,b**
928 +
988 988  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
989 989  
990 990  (% style="color:red" %)**b :** (%%)delay timing.
991 991  
992 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
993 993  
934 +**Example:**
994 994  
936 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
937 +
938 +
995 995  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
996 996  
997 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
941 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
998 998  
999 999  
1000 1000  
... ... @@ -1003,8 +1003,11 @@
1003 1003  
1004 1004  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005 1005  
1006 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
950 +* (% style="color:#037691" %)**AT Command**
1007 1007  
952 +(% style="color:blue" %)**AT+ACLIM**
953 +
954 +
1008 1008  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1009 1009  
1010 1010  (% 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"]]
... ... @@ -1016,8 +1016,11 @@
1016 1016  
1017 1017  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1018 1018  
1019 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
966 +* (% style="color:#037691" %)**AT Command**
1020 1020  
968 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
969 +
970 +
1021 1021  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1022 1022  
1023 1023  (% 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"]]
... ... @@ -1029,13 +1029,18 @@
1029 1029  
1030 1030  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1031 1031  
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.
982 +* (% style="color:#037691" %)**AT Command**
1033 1033  
984 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
985 +
986 +
1034 1034  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1035 1035  
1036 1036  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1037 1037  
1038 1038  (((
992 +
993 +
1039 1039  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1040 1040  )))
1041 1041  
... ... @@ -1050,9 +1050,8 @@
1050 1050  
1051 1051  
1052 1052  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1008 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1053 1053  
1054 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1055 -
1056 1056  (((
1057 1057  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1058 1058  )))
... ... @@ -1059,14 +1059,10 @@
1059 1059  
1060 1060  (((
1061 1061  01: Low,  00: High ,  11: No action
1062 -
1063 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
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
1068 1068  )))
1069 1069  
1018 +[[image:image-20220524092754-5.png]]
1019 +
1070 1070  (((
1071 1071  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1072 1072  )))
... ... @@ -1103,37 +1103,30 @@
1103 1103  
1104 1104  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1105 1105  
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
1056 +[[image:image-20220524093238-6.png]]
1111 1111  
1058 +
1112 1112  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1113 1113  
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
1061 +[[image:image-20220524093328-7.png]]
1119 1119  
1063 +
1120 1120  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1121 1121  
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
1066 +[[image:image-20220524093351-8.png]]
1127 1127  
1128 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1129 1129  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1130 1130  
1131 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1132 1132  
1073 +Note:
1074 +
1133 1133   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1134 1134  
1135 1135   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1136 1136  
1079 +
1137 1137  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1138 1138  
1139 1139  
... ... @@ -1157,7 +1157,7 @@
1157 1157  
1158 1158  
1159 1159  
1160 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1103 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1161 1161  
1162 1162  
1163 1163  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1176,17 +1176,10 @@
1176 1176  
1177 1177  (((
1178 1178  01: Close ,  00: Open , 11: No action
1122 +)))
1179 1179  
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
1124 +(((
1125 +[[image:image-20220524093724-9.png]]
1190 1190  )))
1191 1191  
1192 1192  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1193,6 +1193,7 @@
1193 1193  
1194 1194  
1195 1195  
1132 +
1196 1196  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1197 1197  
1198 1198  
... ... @@ -1224,9 +1224,8 @@
1224 1224  
1225 1225  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1226 1226  
1164 +Note:
1227 1227  
1228 -(% style="color:red" %)**Note:**
1229 -
1230 1230   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1231 1231  
1232 1232   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1237,7 +1237,7 @@
1237 1237  
1238 1238  **Example payload:**
1239 1239  
1240 -**~1. 05 01 11 07 D0**
1176 +**~1. 05 01 11 07 D**
1241 1241  
1242 1242  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1243 1243  
... ... @@ -1260,8 +1260,11 @@
1260 1260  
1261 1261  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1262 1262  
1263 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 +* (% style="color:#037691" %)**AT Command:**
1264 1264  
1201 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1202 +
1203 +
1265 1265  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1266 1266  
1267 1267  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1271,8 +1271,10 @@
1271 1271  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1272 1272  
1273 1273  
1274 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1213 +* (% style="color:#037691" %)**AT Command:**
1275 1275  
1215 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1216 +
1276 1276  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1277 1277  
1278 1278  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1289,8 +1289,11 @@
1289 1289  
1290 1290  Clear counting for counting mode
1291 1291  
1292 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1233 +* (% style="color:#037691" %)**AT Command:**
1293 1293  
1235 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1236 +
1237 +
1294 1294  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1295 1295  
1296 1296  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1364,6 +1364,7 @@
1364 1364  
1365 1365  
1366 1366  
1311 +
1367 1367  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1368 1368  
1369 1369  
... ... @@ -1380,6 +1380,7 @@
1380 1380  
1381 1381  
1382 1382  
1328 +
1383 1383  ==== 3.4.2.25 Copy downlink to uplink ====
1384 1384  
1385 1385  
... ... @@ -1418,6 +1418,7 @@
1418 1418  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1419 1419  
1420 1420  
1367 +
1421 1421  == 3.5 Integrate with Mydevice ==
1422 1422  
1423 1423  
... ... @@ -1442,7 +1442,7 @@
1442 1442  
1443 1443  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1444 1444  
1445 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1392 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1446 1446  
1447 1447  Search under The things network
1448 1448  
... ... @@ -1467,8 +1467,10 @@
1467 1467  [[image:image-20220524094909-5.png||height="341" width="734"]]
1468 1468  
1469 1469  
1417 +
1470 1470  == 3.6 Interface Detail ==
1471 1471  
1420 +
1472 1472  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1473 1473  
1474 1474  
... ... @@ -1477,16 +1477,17 @@
1477 1477  [[image:1653356991268-289.png]]
1478 1478  
1479 1479  
1429 +
1480 1480  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1481 1481  
1482 1482  
1483 1483  (((
1484 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1434 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1485 1485  )))
1486 1486  
1487 1487  (((
1488 1488  (((
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.
1439 +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.
1490 1490  
1491 1491  
1492 1492  )))
... ... @@ -1533,6 +1533,8 @@
1533 1533  
1534 1534  (((
1535 1535  
1486 +
1487 +
1536 1536  )))
1537 1537  
1538 1538  (((
... ... @@ -1564,6 +1564,8 @@
1564 1564  
1565 1565  (((
1566 1566  
1519 +
1520 +
1567 1567  )))
1568 1568  
1569 1569  (((
... ... @@ -1594,26 +1594,18 @@
1594 1594  )))
1595 1595  
1596 1596  
1597 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1598 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 -
1607 1607  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1608 1608  
1609 1609  
1610 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1555 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1611 1611  
1612 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1557 +Note: DO pins go to float when device is power off.
1613 1613  
1614 1614  [[image:1653357531600-905.png]]
1615 1615  
1616 1616  
1562 +
1617 1617  === 3.6.4 Analog Input Interface ===
1618 1618  
1619 1619  
... ... @@ -1631,12 +1631,13 @@
1631 1631  
1632 1632  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1633 1633  
1634 -(% style="color:red" %)**Red:  12~~24v**
1580 +**Red:  12~~24v**
1635 1635  
1636 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1582 +**Yellow:  4~~20mA**
1637 1637  
1638 1638  **Black:  GND**
1639 1639  
1586 +
1640 1640  **Connection diagram:**
1641 1641  
1642 1642  [[image:1653357640609-758.png]]
... ... @@ -1644,22 +1644,7 @@
1644 1644  [[image:1653357648330-671.png||height="155" width="733"]]
1645 1645  
1646 1646  
1647 -Example connected to a regulated power supply to measure voltage
1648 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 -
1663 1663  === 3.6.5 Relay Output ===
1664 1664  
1665 1665  
... ... @@ -1675,46 +1675,17 @@
1675 1675  [[image:image-20220524100215-10.png||height="382" width="723"]]
1676 1676  
1677 1677  
1610 +
1678 1678  == 3.7 LEDs Indicators ==
1679 1679  
1680 1680  
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 -)))
1614 +[[image:image-20220524100748-11.png]]
1691 1691  
1692 -(((
1693 -Successful join network: TX ON for 5 seconds.
1694 -)))
1695 1695  
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**|
1715 1715  
1716 1716  = 4. Use AT Command =
1717 1717  
1620 +
1718 1718  == 4.1 Access AT Command ==
1719 1719  
1720 1720  
... ... @@ -1925,8 +1925,10 @@
1925 1925  )))
1926 1926  
1927 1927  
1831 +
1928 1928  == 4.2 Common AT Command Sequence ==
1929 1929  
1834 +
1930 1930  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1931 1931  
1932 1932  (((
... ... @@ -1971,6 +1971,7 @@
1971 1971  )))
1972 1972  
1973 1973  
1879 +
1974 1974  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1975 1975  
1976 1976  (((
... ... @@ -2043,7 +2043,7 @@
2043 2043  **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?
2044 2044  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2045 2045  
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.**
1952 +**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**
2047 2047  
2048 2048  
2049 2049  )))
... ... @@ -2056,6 +2056,7 @@
2056 2056  
2057 2057  )))
2058 2058  
1965 +
2059 2059  === 4.2.3 Change to Class A ===
2060 2060  
2061 2061  
... ... @@ -2067,19 +2067,13 @@
2067 2067  )))
2068 2068  
2069 2069  
2070 -= 5. Case Study =
2071 2071  
2072 -== 5.1 Counting how many objects pass in Flow Line ==
1978 += 5. FAQ =
2073 2073  
2074 2074  
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]]?
1981 +== 5.1 How to upgrade the image? ==
2076 2076  
2077 2077  
2078 -= 6. FAQ =
2079 -
2080 -== 6.1 How to upgrade the image? ==
2081 -
2082 -
2083 2083  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2084 2084  
2085 2085  * Support new features
... ... @@ -2093,7 +2093,7 @@
2093 2093  
2094 2094  (((
2095 2095  (% 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]].
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]].
1997 +(% 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]].
2097 2097  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2098 2098  
2099 2099  
... ... @@ -2107,10 +2107,8 @@
2107 2107  
2108 2108   [[image:image-20220524103407-12.png]]
2109 2109  
2110 -
2111 2111  [[image:image-20220524103429-13.png]]
2112 2112  
2113 -
2114 2114  [[image:image-20220524104033-15.png]]
2115 2115  
2116 2116  
... ... @@ -2122,8 +2122,10 @@
2122 2122  
2123 2123  (((
2124 2124  (((
2125 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2024 +
2126 2126  
2026 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2027 +
2127 2127  
2128 2128  )))
2129 2129  )))
... ... @@ -2135,8 +2135,9 @@
2135 2135  (((
2136 2136  
2137 2137  
2138 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2139 2139  
2040 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2041 +
2140 2140  
2141 2141  )))
2142 2142  
... ... @@ -2198,29 +2198,26 @@
2198 2198  [[image:1653360498588-932.png||height="485" width="726"]]
2199 2199  
2200 2200  
2201 -== 6.4 How to change the uplink interval？ ==
2202 2202  
2104 +== 5.4 Can I see counting event in Serial? ==
2203 2203  
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 2205  
2206 -
2207 -== 6.5 Can I see counting event in Serial? ==
2208 -
2209 -
2210 2210  (((
2211 2211  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.
2212 2212  
2213 2213  
2214 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2215 2215  
2112 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2216 2216  
2114 +
2217 2217  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]].
2218 2218  
2117 +
2219 2219  
2220 2220  )))
2221 2221  
2222 2222  (((
2223 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2122 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2224 2224  
2225 2225  
2226 2226  If the device is not shut down, but directly powered off.
... ... @@ -2232,9 +2232,10 @@
2232 2232  After restart, the status before power failure will be read from flash.
2233 2233  
2234 2234  
2235 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2236 2236  
2135 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2237 2237  
2137 +
2238 2238  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2239 2239  
2240 2240  
... ... @@ -2241,18 +2241,21 @@
2241 2241  [[image:image-20221006170630-1.png||height="610" width="945"]]
2242 2242  
2243 2243  
2244 -== 6.9 Can LT22222-L save RO state? ==
2144 +== 5.8 Can LT22222-L save RO state? ==
2245 2245  
2246 2246  
2247 2247  Firmware version needs to be no less than 1.6.0.
2248 2248  
2249 2249  
2250 -= 7. Trouble Shooting =
2150 +
2151 += 6. Trouble Shooting =
2152 +
2153 +
2251 2251  )))
2252 2252  
2253 2253  (((
2254 2254  (((
2255 -== 7.1 Downlink doesn't work, how to solve it? ==
2158 +== 6.1 Downlink doesn't work, how to solve it? ==
2256 2256  
2257 2257  
2258 2258  )))
... ... @@ -2265,8 +2265,9 @@
2265 2265  (((
2266 2266  
2267 2267  
2268 -== 7.2 Have trouble to upload image. ==
2269 2269  
2172 +== 6.2 Have trouble to upload image. ==
2173 +
2270 2270  
2271 2271  )))
2272 2272  
... ... @@ -2277,8 +2277,9 @@
2277 2277  (((
2278 2278  
2279 2279  
2280 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2281 2281  
2185 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2186 +
2282 2282  
2283 2283  )))
2284 2284  
... ... @@ -2287,9 +2287,10 @@
2287 2287  )))
2288 2288  
2289 2289  
2290 -= 8. Order Info =
2291 2291  
2196 += 7. Order Info =
2292 2292  
2198 +
2293 2293  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2294 2294  
2295 2295  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2304,7 +2304,7 @@
2304 2304  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2305 2305  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2306 2306  
2307 -= 9. Packing Info =
2213 += 8. Packing Info =
2308 2308  
2309 2309  
2310 2310  **Package Includes**:
... ... @@ -2321,7 +2321,7 @@
2321 2321  * Package Size / pcs : 14.5 x 8 x 5 cm
2322 2322  * Weight / pcs : 170g
2323 2323  
2324 -= 10. Support =
2230 += 9. Support =
2325 2325  
2326 2326  
2327 2327  * (((
... ... @@ -2328,17 +2328,15 @@
2328 2328  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.
2329 2329  )))
2330 2330  * (((
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]]
2237 +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]]
2332 2332  
2333 2333  
2334 2334  
2335 2335  )))
2336 2336  
2337 -= 11. Reference​​​​​ =
2243 += 10. Reference​​​​​ =
2338 2338  
2339 2339  
2340 2340  * 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]]
2341 2341  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2342 2342  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2343 -
2344 -
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