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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.9
edited by Xiaoling
on 2022/06/20 11:19
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To version 90.6
edited by Xiaoling
on 2022/08/18 12:00
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -42,6 +42,8 @@
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -183,9 +183,9 @@
183 183  
184 184  
185 185  
186 -
187 187  == 1.4  Applications ==
188 188  
190 +
189 189  * Smart Buildings & Home Automation
190 190  * Logistics and Supply Chain Management
191 191  * Smart Metering
... ... @@ -195,9 +195,9 @@
195 195  
196 196  
197 197  
198 -
199 199  == 1.5 Hardware Variants ==
200 200  
202 +
201 201  (% border="1" style="background-color:#f7faff; width:500px" %)
202 202  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 203  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -210,9 +210,9 @@
210 210  )))
211 211  
212 212  
213 -
214 214  = 2. Power ON Device =
215 215  
217 +
216 216  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
217 217  
218 218  (((
... ... @@ -227,19 +227,24 @@
227 227  
228 228  == 3.1 How it works? ==
229 229  
232 +
230 230  (((
231 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
234 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
232 232  )))
233 233  
234 234  (((
235 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
238 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
236 236  )))
237 237  
238 238  
242 +
239 239  == 3.2 Example to join LoRaWAN network ==
240 240  
245 +
241 241  (((
242 242  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
248 +
249 +
243 243  )))
244 244  
245 245  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -247,6 +247,8 @@
247 247  
248 248  (((
249 249  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
257 +
258 +
250 250  )))
251 251  
252 252  (((
... ... @@ -272,6 +272,7 @@
272 272  [[image:1653298023685-319.png]]
273 273  
274 274  
284 +
275 275  (((
276 276  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
277 277  )))
... ... @@ -282,20 +282,21 @@
282 282  
283 283  == 3.3 Uplink Payload ==
284 284  
295 +
285 285  There are five working modes + one interrupt mode on LT for different type application:
286 286  
287 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
288 -* **MOD2**: Double DI Counting + DO + RO
289 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
290 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
291 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
292 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
298 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
299 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
300 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
301 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
302 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
303 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
293 293  
294 294  
295 295  
296 -
297 297  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
298 298  
309 +
299 299  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
300 300  
301 301  [[image:image-20220523174024-3.png]]
... ... @@ -332,7 +332,6 @@
332 332  * [1] RO1 relay channel is close and the RO1 LED is ON.
333 333  * [0] RO2 relay channel is open and RO2 LED is OFF;
334 334  
335 -
336 336  **LT22222-L:**
337 337  
338 338  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -350,7 +350,6 @@
350 350  
351 351  
352 352  
353 -
354 354  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
355 355  
356 356  
... ... @@ -387,12 +387,7 @@
387 387  (((
388 388  (((
389 389  **AT+MOD=2**
390 -)))
391 -)))
392 392  
393 -(% class="box infomessage" %)
394 -(((
395 -(((
396 396  **ATZ**
397 397  )))
398 398  )))
... ... @@ -405,59 +405,33 @@
405 405  
406 406  (((
407 407  **For LT22222-L:**
408 -)))
409 409  
410 -(% class="box infomessage" %)
411 -(((
412 -(((
413 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
414 -)))
415 -)))
416 416  
417 -(% class="box infomessage" %)
418 -(((
419 -(((
420 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
421 -)))
422 -)))
414 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
423 423  
424 -(% class="box infomessage" %)
425 -(((
426 -(((
427 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
428 -)))
429 -)))
416 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
430 430  
431 -(% class="box infomessage" %)
432 -(((
433 -(((
434 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
435 -)))
436 -)))
418 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
437 437  
438 -(% class="box infomessage" %)
439 -(((
440 -(((
441 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
442 -)))
443 -)))
420 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
444 444  
445 -(% class="box infomessage" %)
446 -(((
447 -(((
448 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
422 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
423 +
424 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
449 449  )))
450 -)))
451 451  
452 452  
453 453  
454 454  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
455 455  
431 +
456 456  **LT22222-L**: This mode the DI1 is used as a counting pin.
457 457  
458 458  [[image:image-20220523181246-5.png]]
459 459  
460 460  (((
437 +
438 +
461 461  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
462 462  )))
463 463  
... ... @@ -471,6 +471,7 @@
471 471  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
472 472  )))
473 473  
452 +
474 474  (((
475 475  **To use counting mode, please run:**
476 476  )))
... ... @@ -479,12 +479,7 @@
479 479  (((
480 480  (((
481 481  **AT+MOD=3**
482 -)))
483 -)))
484 484  
485 -(% class="box infomessage" %)
486 -(((
487 -(((
488 488  **ATZ**
489 489  )))
490 490  )))
... ... @@ -529,20 +529,13 @@
529 529  (((
530 530  (((
531 531  **AT+MOD=4**
532 -)))
533 -)))
534 534  
535 -(% class="box infomessage" %)
536 -(((
537 -(((
538 538  **ATZ**
539 539  )))
540 540  )))
541 541  
542 -(((
543 -
544 -)))
545 545  
512 +
546 546  (((
547 547  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
548 548  )))
... ... @@ -551,35 +551,16 @@
551 551  
552 552  
553 553  **Plus below command for AVI1 Counting:**
554 -)))
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**AT+SETCNT=3,60   (set AVI Count to 60)**
560 -)))
561 -)))
562 562  
563 -(% class="box infomessage" %)
564 -(((
565 -(((
566 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
567 -)))
568 -)))
523 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
569 569  
570 -(% class="box infomessage" %)
571 -(((
572 -(((
573 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
574 -)))
575 -)))
525 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
576 576  
577 -(% class="box infomessage" %)
578 -(((
579 -(((
580 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
527 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
528 +
529 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
581 581  )))
582 -)))
583 583  
584 584  
585 585  
... ... @@ -616,12 +616,7 @@
616 616  (((
617 617  (((
618 618  **AT+MOD=5**
619 -)))
620 -)))
621 621  
622 -(% class="box infomessage" %)
623 -(((
624 -(((
625 625  **ATZ**
626 626  )))
627 627  )))
... ... @@ -639,8 +639,8 @@
639 639  
640 640  For example, if user has configured below commands:
641 641  
642 -* **AT+MOD=1 ** **~-~->** The normal working mode
643 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
585 +* **AT+MOD=1 ** **~-~->**  The normal working mode
586 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
644 644  
645 645  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
646 646  
... ... @@ -647,8 +647,9 @@
647 647  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
648 648  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
649 649  
650 -**AT Command to set Trigger Condition**:
593 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
651 651  
595 +
652 652  (% style="color:#4f81bd" %)**Trigger base on voltage**:
653 653  
654 654  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -683,7 +683,7 @@
683 683  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
684 684  
685 685  
686 -**Downlink Command to set Trigger Condition:**
630 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
687 687  
688 688  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
689 689  
... ... @@ -770,14 +770,14 @@
770 770  (((
771 771  
772 772  
773 -**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
774 -
775 -
717 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
776 776  )))
777 777  
778 778  
721 +
779 779  == 3.4 ​Configure LT via AT or Downlink ==
780 780  
724 +
781 781  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
782 782  
783 783  (((
... ... @@ -788,8 +788,12 @@
788 788  
789 789  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
790 790  
735 +
736 +
737 +
791 791  === 3.4.1 Common Commands ===
792 792  
740 +
793 793  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
794 794  
795 795  
... ... @@ -796,80 +796,72 @@
796 796  
797 797  === 3.4.2 Sensor related commands ===
798 798  
747 +
799 799  ==== 3.4.2.1 Set Transmit Interval ====
800 800  
750 +
801 801  Set device uplink interval.
802 802  
803 -* AT Command:
753 +* (% style="color:#037691" %)**AT Command:**
804 804  
805 -(% class="box infomessage" %)
806 -(((
807 807  **AT+TDC=N **
808 -)))
809 809  
757 +
810 810  **Example: **AT+TDC=30000. Means set interval to 30 seconds
811 811  
812 812  
813 -* Downlink Payload (prefix 0x01):
761 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
814 814  
815 -(% class="box infomessage" %)
816 -(((
817 817  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
818 -)))
819 819  
820 820  
821 821  
767 +
822 822  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
823 823  
770 +
824 824  Set work mode.
825 825  
826 -* AT Command:
773 +* (% style="color:#037691" %)**AT Command:**
827 827  
828 -(% class="box infomessage" %)
829 -(((
830 830  **AT+MOD=N  **
831 -)))
832 832  
777 +
833 833  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
834 834  
835 835  
836 -* Downlink Payload (prefix 0x0A):
781 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
837 837  
838 -(% class="box infomessage" %)
839 -(((
840 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
841 -)))
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
842 842  
843 843  
844 844  
787 +
845 845  ==== 3.4.2.3 Poll an uplink ====
846 846  
847 -* AT Command:
848 848  
791 +* (% style="color:#037691" %)**AT Command:**
792 +
849 849  There is no AT Command to poll uplink
850 850  
851 851  
852 -* Downlink Payload (prefix 0x08):
796 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
853 853  
854 -(% class="box infomessage" %)
855 -(((
856 -**0x08 FF     ~/~/ Poll an uplink,**
857 -)))
798 +**0x08 FF     **~/~/ Poll an uplink
858 858  
859 859  **Example**: 0x08FF, ask device to send an Uplink
860 860  
861 861  
862 862  
804 +
863 863  ==== 3.4.2.4 Enable Trigger Mode ====
864 864  
807 +
865 865  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
866 866  
867 -* AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
868 868  
869 -(% class="box infomessage" %)
870 -(((
871 871  **AT+ADDMOD6=1 or 0**
872 -)))
873 873  
874 874  1: Enable Trigger Mode
875 875  
... ... @@ -876,43 +876,38 @@
876 876  0: Disable Trigger Mode
877 877  
878 878  
879 -* Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
880 880  
881 -(% class="box infomessage" %)
882 -(((
883 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
884 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
885 885  
886 886  
887 887  
825 +
888 888  ==== 3.4.2.5 Poll trigger settings ====
889 889  
828 +
890 890  Poll trigger settings,
891 891  
892 -* AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
893 893  
894 894  There is no AT Command for this feature.
895 895  
896 896  
897 -* Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
898 898  
899 -(% class="box infomessage" %)
900 -(((
901 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
902 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
903 903  
904 904  
905 905  
842 +
906 906  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
907 907  
845 +
908 908  Enable Disable DI1/DI2/DI2 as trigger,
909 909  
910 -* AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
911 911  
912 -(% class="box infomessage" %)
913 -(((
914 914  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
915 -)))
916 916  
917 917  
918 918  **Example:**
... ... @@ -919,25 +919,21 @@
919 919  
920 920  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
921 921  
922 -* Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
923 923  
924 -(% class="box infomessage" %)
925 -(((
926 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
927 -)))
859 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
928 928  
929 929  
930 930  
863 +
931 931  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
932 932  
866 +
933 933  Set DI1 or DI3(for LT-33222-L) trigger.
934 934  
935 -* AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
936 936  
937 -(% class="box infomessage" %)
938 -(((
939 939  **AT+TRIG1=a,b**
940 -)))
941 941  
942 942  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
943 943  
... ... @@ -949,26 +949,21 @@
949 949  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
950 950  
951 951  
952 -* Downlink Payload (prefix 0x09 01 ):
883 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
884 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
953 953  
954 -(% class="box infomessage" %)
955 -(((
956 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
957 -)))
958 958  
959 959  
960 -
961 961  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
962 962  
890 +
963 963  Set DI2 trigger.
964 964  
965 -* AT Command:
893 +* (% style="color:#037691" %)**AT Command:**
966 966  
967 -(% class="box infomessage" %)
968 -(((
969 969  **AT+TRIG2=a,b**
970 -)))
971 971  
897 +
972 972  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
973 973  
974 974  b : delay timing.
... ... @@ -979,93 +979,82 @@
979 979  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
980 980  
981 981  
982 -* Downlink Payload (prefix 0x09 02 ):
908 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
983 983  
984 -(% class="box infomessage" %)
985 -(((
986 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
987 -)))
910 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
988 988  
989 989  
990 990  
914 +
991 991  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
992 992  
917 +
993 993  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
994 994  
995 -* AT Command:
920 +* (% style="color:#037691" %)**AT Command**
996 996  
997 -(% class="box infomessage" %)
998 -(((
999 -**AT+ACLIM. **
1000 -)))
922 +**AT+ACLIM**
1001 1001  
1002 1002  
1003 -* Downlink Payload (prefix 0xAA 01 ):
925 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1004 1004  
1005 -(% class="box infomessage" %)
1006 -(((
1007 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1008 -)))
927 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1009 1009  
1010 1010  
1011 1011  
931 +
1012 1012  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1013 1013  
934 +
1014 1014  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1015 1015  
1016 -* AT Command:
937 +* (% style="color:#037691" %)**AT Command**
1017 1017  
1018 -(% class="box infomessage" %)
1019 -(((
1020 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1021 -)))
939 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1022 1022  
1023 1023  
1024 -* Downlink Payload (prefix 0xAA 00 ):
942 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1025 1025  
1026 -(% class="box infomessage" %)
1027 -(((
1028 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1029 -)))
944 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1030 1030  
1031 1031  
1032 1032  
948 +
1033 1033  ==== 3.4.2.11 Trigger – Set minimum interval ====
1034 1034  
1035 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1036 1036  
1037 -* AT Command:
952 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1038 1038  
1039 -(% class="box infomessage" %)
1040 -(((
1041 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1042 -)))
954 +* (% style="color:#037691" %)**AT Command**
1043 1043  
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1044 1044  
1045 -* Downlink Payload (prefix 0xAC ):
1046 1046  
1047 -(% class="box infomessage" %)
959 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
960 +
961 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
962 +
1048 1048  (((
1049 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
964 +
965 +
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1050 1050  )))
1051 1051  
1052 1052  
1053 1053  
971 +
1054 1054  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1055 1055  
1056 -* AT Command:
1057 1057  
975 +* (% style="color:#037691" %)**AT Command**
976 +
1058 1058  There is no AT Command to control Digital Output
1059 1059  
1060 1060  
1061 -* Downlink Payload (prefix 0x02):
980 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
981 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1062 1062  
1063 -(% class="box infomessage" %)
1064 1064  (((
1065 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1066 -)))
1067 -
1068 -(((
1069 1069  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1070 1070  )))
1071 1071  
... ... @@ -1085,22 +1085,20 @@
1085 1085  
1086 1086  
1087 1087  
1003 +
1088 1088  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1089 1089  
1090 -* AT Command:
1091 1091  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1092 1092  There is no AT Command to control Digital Output
1093 1093  
1094 1094  
1095 -* Downlink Payload (prefix 0xA9):
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1096 1096  
1097 -(% class="box infomessage" %)
1098 -(((
1099 -(((
1100 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1101 -)))
1102 -)))
1014 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1103 1103  
1016 +
1104 1104  This is to control the digital output time of DO pin. Include four bytes:
1105 1105  
1106 1106  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1154,20 +1154,20 @@
1154 1154  
1155 1155  
1156 1156  
1070 +
1157 1157  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1158 1158  
1159 -* AT Command:
1160 1160  
1074 +* (% style="color:#037691" %)**AT Command:**
1075 +
1161 1161  There is no AT Command to control Relay Output
1162 1162  
1163 1163  
1164 -* Downlink Payload (prefix 0x03):
1079 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1165 1165  
1166 -(% class="box infomessage" %)
1167 -(((
1168 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1169 -)))
1081 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1170 1170  
1083 +
1171 1171  (((
1172 1172  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1173 1173  )))
... ... @@ -1184,20 +1184,20 @@
1184 1184  
1185 1185  
1186 1186  
1100 +
1187 1187  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1188 1188  
1189 -* AT Command:
1190 1190  
1104 +* (% style="color:#037691" %)**AT Command:**
1105 +
1191 1191  There is no AT Command to control Relay Output
1192 1192  
1193 1193  
1194 -* Downlink Payload (prefix 0x05):
1109 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1195 1195  
1196 -(% class="box infomessage" %)
1197 -(((
1198 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1199 -)))
1111 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1200 1200  
1113 +
1201 1201  This is to control the relay output time of relay. Include four bytes:
1202 1202  
1203 1203  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1211,7 +1211,7 @@
1211 1211  
1212 1212  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1213 1213  
1214 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1215 1215  
1216 1216  
1217 1217  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1221,53 +1221,48 @@
1221 1221  
1222 1222  **Example payload:**
1223 1223  
1224 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1225 1225  
1226 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1139 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1227 1227  
1228 1228  **2. 05 01 10 07 D0**
1229 1229  
1230 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1143 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1231 1231  
1232 1232  **3. 05 00 01 07 D0**
1233 1233  
1234 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1147 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1235 1235  
1236 1236  **4. 05 00 00 07 D0**
1237 1237  
1238 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1151 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1239 1239  
1240 1240  
1241 1241  
1155 +
1242 1242  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1243 1243  
1158 +
1244 1244  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1245 1245  
1246 -* AT Command:
1161 +* (% style="color:#037691" %)**AT Command:**
1247 1247  
1248 -(% class="box infomessage" %)
1249 -(((
1250 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1251 -)))
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1252 1252  
1253 1253  
1254 -* Downlink Payload (prefix 0xA5):
1166 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1255 1255  
1256 -(% class="box infomessage" %)
1257 -(((
1258 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1259 -)))
1168 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1260 1260  
1261 1261  
1262 1262  
1172 +
1263 1263  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1264 1264  
1265 -* AT Command:
1266 1266  
1267 -(% class="box infomessage" %)
1268 -(((
1176 +* (% style="color:#037691" %)**AT Command:**
1177 +
1269 1269  **AT+SETCNT=aa,(bb cc dd ee) **
1270 -)))
1271 1271  
1272 1272  aa: 1: Set count1,
1273 1273  
... ... @@ -1278,51 +1278,42 @@
1278 1278  Bb cc dd ee: number to be set
1279 1279  
1280 1280  
1281 -* Downlink Payload (prefix 0xA8):
1189 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1282 1282  
1283 -(% class="box infomessage" %)
1284 -(((
1285 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1286 -)))
1191 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1287 1287  
1288 1288  
1289 1289  
1195 +
1290 1290  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1291 1291  
1198 +
1292 1292  Clear counting for counting mode
1293 1293  
1294 -* AT Command:
1201 +* (% style="color:#037691" %)**AT Command:**
1295 1295  
1296 -(% class="box infomessage" %)
1297 -(((
1298 -**AT+CLRCOUNT ~/~/ clear all counting**
1299 -)))
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1300 1300  
1301 -* Downlink Payload (prefix 0xA6):
1302 1302  
1303 -(% class="box infomessage" %)
1304 -(((
1305 -**0x A6 01     ~/~/ clear all counting,**
1306 -)))
1206 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1307 1307  
1208 +**0x A6 01    ** ~/~/ clear all counting
1308 1308  
1309 1309  
1211 +
1212 +
1310 1310  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1311 1311  
1312 -* AT Command:
1313 1313  
1314 -(% class="box infomessage" %)
1315 -(((
1316 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1317 -)))
1216 +* (% style="color:#037691" %)**AT Command:**
1318 1318  
1319 -* Downlink Payload (prefix 0xA7):
1218 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1320 1320  
1321 -(% class="box infomessage" %)
1322 -(((
1323 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1324 -)))
1325 1325  
1221 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1222 +
1223 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1224 +
1326 1326  (((
1327 1327  range: aa bb cc:0 to 16777215,  (unit:second)
1328 1328  
... ... @@ -1330,8 +1330,10 @@
1330 1330  )))
1331 1331  
1332 1332  
1232 +
1333 1333  == 3.5 Integrate with Mydevice ==
1334 1334  
1235 +
1335 1335  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1336 1336  
1337 1337  (((
... ... @@ -1340,14 +1340,15 @@
1340 1340  
1341 1341  (((
1342 1342  (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1244 +
1245 +
1343 1343  )))
1344 1344  
1345 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1346 1346  
1347 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1348 1348  
1349 1349  
1350 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1351 1351  
1352 1352  
1353 1353  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1380,8 +1380,10 @@
1380 1380  
1381 1381  == 3.6 Interface Detail ==
1382 1382  
1285 +
1383 1383  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1384 1384  
1288 +
1385 1385  Support NPN Type sensor
1386 1386  
1387 1387  [[image:1653356991268-289.png]]
... ... @@ -1390,6 +1390,7 @@
1390 1390  
1391 1391  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1392 1392  
1297 +
1393 1393  (((
1394 1394  The DI port of LT-22222-L can support NPN or PNP output sensor.
1395 1395  )))
... ... @@ -1396,7 +1396,9 @@
1396 1396  
1397 1397  (((
1398 1398  (((
1399 -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
1304 +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.
1305 +
1306 +
1400 1400  )))
1401 1401  )))
1402 1402  
... ... @@ -1441,6 +1441,8 @@
1441 1441  
1442 1442  (((
1443 1443  
1351 +
1352 +
1444 1444  )))
1445 1445  
1446 1446  (((
... ... @@ -1472,6 +1472,8 @@
1472 1472  
1473 1473  (((
1474 1474  
1384 +
1385 +
1475 1475  )))
1476 1476  
1477 1477  (((
... ... @@ -1505,6 +1505,7 @@
1505 1505  
1506 1506  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1507 1507  
1419 +
1508 1508  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1509 1509  
1510 1510  [[image:1653357531600-905.png]]
... ... @@ -1513,6 +1513,7 @@
1513 1513  
1514 1514  === 3.6.4 Analog Input Interface ===
1515 1515  
1428 +
1516 1516  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1517 1517  
1518 1518  
... ... @@ -1544,6 +1544,7 @@
1544 1544  
1545 1545  === 3.6.5 Relay Output ===
1546 1546  
1460 +
1547 1547  (((
1548 1548  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1549 1549  )))
... ... @@ -1556,13 +1556,17 @@
1556 1556  
1557 1557  == 3.7 LEDs Indicators ==
1558 1558  
1473 +
1559 1559  [[image:image-20220524100748-11.png]]
1560 1560  
1561 1561  
1477 +
1562 1562  = 4. Use AT Command =
1563 1563  
1480 +
1564 1564  == 4.1 Access AT Command ==
1565 1565  
1483 +
1566 1566  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1567 1567  
1568 1568  [[image:1653358238933-385.png]]
... ... @@ -1761,8 +1761,6 @@
1761 1761  
1762 1762  (((
1763 1763  AT+CFG: Print all settings
1764 -
1765 -
1766 1766  )))
1767 1767  
1768 1768  
... ... @@ -1769,6 +1769,7 @@
1769 1769  
1770 1770  == 4.2 Common AT Command Sequence ==
1771 1771  
1688 +
1772 1772  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1773 1773  
1774 1774  (((
... ... @@ -1808,8 +1808,6 @@
1808 1808  
1809 1809  (((
1810 1810  (% style="background-color:#dcdcdc" %)ATZ
1811 -
1812 -
1813 1813  )))
1814 1814  
1815 1815  
... ... @@ -1894,13 +1894,16 @@
1894 1894  
1895 1895  === 4.2.3 Change to Class A ===
1896 1896  
1812 +
1897 1897  If sensor JOINED
1898 1898  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1899 1899  ATZ
1900 1900  
1901 1901  
1818 +
1902 1902  = 5. FAQ =
1903 1903  
1821 +
1904 1904  == 5.1 How to upgrade the image? ==
1905 1905  
1906 1906  
... ... @@ -1922,7 +1922,9 @@
1922 1922  
1923 1923  
1924 1924  (% style="color:blue" %)**For LT-22222-L**(%%):
1925 -Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1843 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1844 +
1845 +
1926 1926  )))
1927 1927  
1928 1928   [[image:image-20220524103407-12.png]]
... ... @@ -1934,6 +1934,7 @@
1934 1934  
1935 1935  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1936 1936  
1857 +
1937 1937  [[image:1653360054704-518.png||height="186" width="745"]]
1938 1938  
1939 1939  
... ... @@ -1942,6 +1942,8 @@
1942 1942  
1943 1943  
1944 1944  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1945 1945  )))
1946 1946  )))
1947 1947  
... ... @@ -1952,7 +1952,10 @@
1952 1952  (((
1953 1953  
1954 1954  
1878 +
1955 1955  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1956 1956  )))
1957 1957  
1958 1958  (((
... ... @@ -1970,7 +1970,7 @@
1970 1970  )))
1971 1971  
1972 1972  (((
1973 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1899 +(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1974 1974  )))
1975 1975  
1976 1976  (((
... ... @@ -1978,12 +1978,12 @@
1978 1978  )))
1979 1979  
1980 1980  (((
1981 -(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1907 +(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1982 1982  )))
1983 1983  
1984 1984  
1985 1985  (((
1986 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1912 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1987 1987  )))
1988 1988  
1989 1989  (((
... ... @@ -2007,20 +2007,28 @@
2007 2007  [[image:1653360498588-932.png||height="485" width="726"]]
2008 2008  
2009 2009  
1936 +
2010 2010  == 5.4 Can I see counting event in Serial? ==
2011 2011  
1939 +
2012 2012  (((
2013 -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.
1941 +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.
2014 2014  
2015 2015  
1944 +
2016 2016  == 5.5 Can i use point to point communication for LT-22222-L? ==
2017 2017  
1947 +
2018 2018  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
2019 2019  )))
2020 2020  
2021 2021  (((
2022 2022  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2023 2023  
1957 +
2024 2024  If the device is not shut down, but directly powered off.
2025 2025  
2026 2026  It will default that this is a power-off state.
... ... @@ -2029,12 +2029,16 @@
2029 2029  
2030 2030  After restart, the status before power failure will be read from flash.
2031 2031  
1966 +
1967 +
2032 2032  = 6. Trouble Shooting =
2033 2033  )))
2034 2034  
2035 2035  (((
2036 2036  (((
2037 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
2038 2038  )))
2039 2039  )))
2040 2040  
... ... @@ -2045,7 +2045,10 @@
2045 2045  (((
2046 2046  
2047 2047  
1986 +
2048 2048  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
2049 2049  )))
2050 2050  
2051 2051  (((
... ... @@ -2055,7 +2055,10 @@
2055 2055  (((
2056 2056  
2057 2057  
2058 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1999 +
2000 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2001 +
2002 +
2059 2059  )))
2060 2060  
2061 2061  (((
... ... @@ -2069,19 +2069,21 @@
2069 2069  
2070 2070  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2071 2071  
2072 -
2073 2073  (% style="color:#4f81bd" %)**XXX:**
2074 2074  
2075 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2076 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2077 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2078 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2079 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2080 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2081 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2082 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2083 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2018 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2019 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2020 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2021 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2022 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2023 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2024 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2025 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2026 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2084 2084  
2028 +
2029 +
2030 +
2085 2085  = 8. Packing Info =
2086 2086  
2087 2087  
... ... @@ -2099,18 +2099,29 @@
2099 2099  * Package Size / pcs : 14.5 x 8 x 5 cm
2100 2100  * Weight / pcs : 170g
2101 2101  
2048 +
2049 +
2050 +
2102 2102  = 9. Support =
2103 2103  
2053 +
2104 2104  * (((
2105 2105  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.
2106 2106  )))
2107 2107  * (((
2108 2108  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]]
2059 +
2060 +
2061 +
2062 +
2063 +
2109 2109  )))
2110 2110  
2111 2111  = 10. Reference​​​​​ =
2112 2112  
2068 +
2113 2113  * 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]]
2114 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2115 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2070 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2116 2116  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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