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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 112.5
edited by Xiaoling
on 2023/03/31 09:47
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.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -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, 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.
30 30  )))
31 31  
32 32  (((
... ... @@ -176,33 +176,43 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 +
179 179  * Optional Customized LoRa Protocol
181 +
180 180  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
181 181  * AT Commands to change parameters
185 +
182 182  * Remote configure parameters via LoRa Downlink
187 +
183 183  * Firmware upgradable via program port
189 +
184 184  * Counting
185 185  
186 -
187 -
188 188  == 1.4  Applications ==
189 189  
190 190  
191 191  * Smart Buildings & Home Automation
196 +
192 192  * Logistics and Supply Chain Management
198 +
193 193  * Smart Metering
200 +
194 194  * Smart Agriculture
202 +
195 195  * Smart Cities
204 +
196 196  * Smart Factory
197 197  
198 -
199 -
200 200  == 1.5 Hardware Variants ==
201 201  
202 202  
203 -(% border="1" style="background-color:#f7faff; width:500px" %)
204 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
205 -|(% 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" %)(((
206 206  * 2 x Digital Input (Bi-direction)
207 207  * 2 x Digital Output
208 208  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -211,8 +211,6 @@
211 211  * 1 x Counting Port
212 212  )))
213 213  
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:
... ... @@ -300,31 +300,46 @@
300 300  There are five working modes + one interrupt mode on LT for different type application:
301 301  
302 302  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
311 +
303 303  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
313 +
304 304  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315 +
305 305  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
317 +
306 306  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
319 +
307 307  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
308 308  
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.
... ... @@ -687,12 +687,39 @@
687 687  
688 688  MOD6 Payload : total 11 bytes payload
689 689  
690 -[[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 +)))
691 691  
692 -
693 693  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
694 694  
695 -[[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 +)))
696 696  
697 697  * Each bits shows if the corresponding trigger has been configured.
698 698  
... ... @@ -701,10 +701,27 @@
701 701  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
702 702  
703 703  
704 -
705 705  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
706 706  
707 -[[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 +)))
708 708  
709 709  * Each bits shows which status has been trigger on this uplink.
710 710  
... ... @@ -715,7 +715,9 @@
715 715  
716 716  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
717 717  
718 -[[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
719 719  
720 720  * Each bits shows which status has been trigger on this uplink.
721 721  
... ... @@ -761,8 +761,6 @@
761 761  
762 762  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
763 763  
764 -
765 -
766 766  === 3.4.1 Common Commands ===
767 767  
768 768  
... ... @@ -773,7 +773,6 @@
773 773  
774 774  === 3.4.2 Sensor related commands ===
775 775  
776 -
777 777  ==== 3.4.2.1 Set Transmit Interval ====
778 778  
779 779  
... ... @@ -798,14 +798,10 @@
798 798  
799 799  Set work mode.
800 800  
801 -* (% style="color:#037691" %)**AT Command:**
889 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
802 802  
803 -(% style="color:blue" %)**AT+MOD=N  **
804 -
805 -
806 806  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
807 807  
808 -
809 809  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
810 810  
811 811  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -815,16 +815,12 @@
815 815  ==== 3.4.2.3 Poll an uplink ====
816 816  
817 817  
818 -* (% style="color:#037691" %)**AT Command:**
902 +* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
819 819  
820 -There is no AT Command to poll uplink
821 -
822 -
823 823  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
824 824  
825 825  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
826 826  
827 -
828 828  **Example**: 0x08FF, ask device to send an Uplink
829 829  
830 830  
... ... @@ -834,10 +834,8 @@
834 834  
835 835  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
836 836  
837 -* (% style="color:#037691" %)**AT Command:**
917 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
838 838  
839 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
840 -
841 841  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
842 842  
843 843  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -852,13 +852,12 @@
852 852  ==== 3.4.2.5 Poll trigger settings ====
853 853  
854 854  
855 -Poll trigger settings,
933 +Poll trigger settings
856 856  
857 857  * (% style="color:#037691" %)**AT Command:**
858 858  
859 859  There is no AT Command for this feature.
860 860  
861 -
862 862  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
863 863  
864 864  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -870,15 +870,11 @@
870 870  
871 871  Enable Disable DI1/DI2/DI2 as trigger,
872 872  
873 -* (% style="color:#037691" %)**AT Command:**
950 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
874 874  
875 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
952 +**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
876 876  
877 877  
878 -**Example:**
879 -
880 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
881 -
882 882  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
883 883  
884 884  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -890,20 +890,15 @@
890 890  
891 891  Set DI1 or DI3(for LT-33222-L) trigger.
892 892  
893 -* (% style="color:#037691" %)**AT Command:**
966 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
894 894  
895 -(% style="color:blue" %)**AT+TRIG1=a,b**
896 -
897 897  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
898 898  
899 899  (% style="color:red" %)**b :** (%%)delay timing.
900 900  
972 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
901 901  
902 -**Example:**
903 903  
904 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
905 -
906 -
907 907  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
908 908  
909 909  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -915,20 +915,15 @@
915 915  
916 916  Set DI2 trigger.
917 917  
918 -* (% style="color:#037691" %)**AT Command:**
986 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
919 919  
920 -(% style="color:blue" %)**AT+TRIG2=a,b**
921 -
922 922  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
923 923  
924 924  (% style="color:red" %)**b :** (%%)delay timing.
925 925  
992 +**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
926 926  
927 -**Example:**
928 928  
929 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
930 -
931 -
932 932  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
933 933  
934 934  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -940,11 +940,8 @@
940 940  
941 941  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942 942  
943 -* (% style="color:#037691" %)**AT Command**
1006 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
944 944  
945 -(% style="color:blue" %)**AT+ACLIM**
946 -
947 -
948 948  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
949 949  
950 950  (% 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"]]
... ... @@ -956,11 +956,8 @@
956 956  
957 957  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
958 958  
959 -* (% style="color:#037691" %)**AT Command**
1019 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
960 960  
961 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
962 -
963 -
964 964  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
965 965  
966 966  (% 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"]]
... ... @@ -972,18 +972,13 @@
972 972  
973 973  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
974 974  
975 -* (% 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.
976 976  
977 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
978 -
979 -
980 980  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
981 981  
982 982  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
983 983  
984 984  (((
985 -
986 -
987 987  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
988 988  )))
989 989  
... ... @@ -998,8 +998,9 @@
998 998  
999 999  
1000 1000  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1001 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1002 1002  
1054 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1055 +
1003 1003  (((
1004 1004  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1005 1005  )))
... ... @@ -1006,10 +1006,14 @@
1006 1006  
1007 1007  (((
1008 1008  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
1009 1009  )))
1010 1010  
1011 -[[image:image-20220524092754-5.png]]
1012 -
1013 1013  (((
1014 1014  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1015 1015  )))
... ... @@ -1046,24 +1046,31 @@
1046 1046  
1047 1047  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1048 1048  
1049 -[[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
1050 1050  
1051 -
1052 1052  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1053 1053  
1054 -[[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
1055 1055  
1056 -
1057 1057  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1058 1058  
1059 -[[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
1060 1060  
1128 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1061 1061  
1062 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1063 1063  
1064 - Latching time. Unit: ms
1065 -
1066 -
1067 1067  (% style="color:red" %)**Note: **
1068 1068  
1069 1069   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1070,7 +1070,6 @@
1070 1070  
1071 1071   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1072 1072  
1073 -
1074 1074  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1075 1075  
1076 1076  
... ... @@ -1113,10 +1113,17 @@
1113 1113  
1114 1114  (((
1115 1115  01: Close ,  00: Open , 11: No action
1116 -)))
1117 1117  
1118 -(((
1119 -[[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
1120 1120  )))
1121 1121  
1122 1122  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1190,11 +1190,8 @@
1190 1190  
1191 1191  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1192 1192  
1193 -* (% style="color:#037691" %)**AT Command:**
1263 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1194 1194  
1195 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1196 -
1197 -
1198 1198  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1199 1199  
1200 1200  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1204,10 +1204,8 @@
1204 1204  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1205 1205  
1206 1206  
1207 -* (% style="color:#037691" %)**AT Command:**
1274 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1208 1208  
1209 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1210 -
1211 1211  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1212 1212  
1213 1213  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1224,11 +1224,8 @@
1224 1224  
1225 1225  Clear counting for counting mode
1226 1226  
1227 -* (% style="color:#037691" %)**AT Command:**
1292 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1228 1228  
1229 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1230 -
1231 -
1232 1232  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1233 1233  
1234 1234  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1380,7 +1380,7 @@
1380 1380  
1381 1381  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1382 1382  
1383 -(% 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" %)
1384 1384  
1385 1385  Search under The things network
1386 1386  
... ... @@ -1419,12 +1419,12 @@
1419 1419  
1420 1420  
1421 1421  (((
1422 -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.
1423 1423  )))
1424 1424  
1425 1425  (((
1426 1426  (((
1427 -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.
1428 1428  
1429 1429  
1430 1430  )))
... ... @@ -1532,6 +1532,16 @@
1532 1532  )))
1533 1533  
1534 1534  
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 +
1535 1535  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1536 1536  
1537 1537  
... ... @@ -1565,7 +1565,6 @@
1565 1565  
1566 1566  **Black:  GND**
1567 1567  
1568 -
1569 1569  **Connection diagram:**
1570 1570  
1571 1571  [[image:1653357640609-758.png]]
... ... @@ -1573,6 +1573,22 @@
1573 1573  [[image:1653357648330-671.png||height="155" width="733"]]
1574 1574  
1575 1575  
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 +
1576 1576  === 3.6.5 Relay Output ===
1577 1577  
1578 1578  
... ... @@ -1591,9 +1591,41 @@
1591 1591  == 3.7 LEDs Indicators ==
1592 1592  
1593 1593  
1594 -[[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 +)))
1595 1595  
1692 +(((
1693 +Successful join network: TX ON for 5 seconds.
1694 +)))
1596 1596  
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 +
1597 1597  = 4. Use AT Command =
1598 1598  
1599 1599  == 4.1 Access AT Command ==
... ... @@ -1974,7 +1974,7 @@
1974 1974  
1975 1975  (((
1976 1976  (% 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]].
1977 -(% 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]].
1978 1978  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1979 1979  
1980 1980  
... ... @@ -2079,14 +2079,20 @@
2079 2079  [[image:1653360498588-932.png||height="485" width="726"]]
2080 2080  
2081 2081  
2082 -== 6.4 Can I see counting event in Serial? ==
2201 +== 6.4 How to change the uplink interval？ ==
2083 2083  
2084 2084  
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 +
2085 2085  (((
2086 2086  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.
2087 2087  
2088 2088  
2089 -== 6.5 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? ==
2090 2090  
2091 2091  
2092 2092  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]].
... ... @@ -2095,7 +2095,7 @@
2095 2095  )))
2096 2096  
2097 2097  (((
2098 -== 6.6 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? ==
2099 2099  
2100 2100  
2101 2101  If the device is not shut down, but directly powered off.
... ... @@ -2107,7 +2107,7 @@
2107 2107  After restart, the status before power failure will be read from flash.
2108 2108  
2109 2109  
2110 -== 6.7 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? ==
2111 2111  
2112 2112  
2113 2113  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2116,7 +2116,7 @@
2116 2116  [[image:image-20221006170630-1.png||height="610" width="945"]]
2117 2117  
2118 2118  
2119 -== 6.8 Can LT22222-L save RO state? ==
2244 +== 6.9 Can LT22222-L save RO state? ==
2120 2120  
2121 2121  
2122 2122  Firmware version needs to be no less than 1.6.0.
... ... @@ -2179,8 +2179,6 @@
2179 2179  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2180 2180  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2181 2181  
2182 -
2183 -
2184 2184  = 9. Packing Info =
2185 2185  
2186 2186  
... ... @@ -2191,7 +2191,6 @@
2191 2191  * Bracket for controller x1
2192 2192  * Program cable x 1
2193 2193  
2194 -
2195 2195  **Dimension and weight**:
2196 2196  
2197 2197  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -2199,8 +2199,6 @@
2199 2199  * Package Size / pcs : 14.5 x 8 x 5 cm
2200 2200  * Weight / pcs : 170g
2201 2201  
2202 -
2203 -
2204 2204  = 10. Support =
2205 2205  
2206 2206  
... ... @@ -2208,7 +2208,7 @@
2208 2208  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.
2209 2209  )))
2210 2210  * (((
2211 -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]]
2212 2212  
2213 2213  
2214 2214  
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