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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.7
edited by Xiaoling
on 2022/06/20 11:17
Change comment: There is no comment for this version
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  )))
... ... @@ -282,17 +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  
305 +
306 +
294 294  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
295 295  
309 +
296 296  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
297 297  
298 298  [[image:image-20220523174024-3.png]]
... ... @@ -344,6 +344,8 @@
344 344  ** DO1 is high in case there is load between DO1 and V+.
345 345  ** DO1 LED is off in both case
346 346  
361 +
362 +
347 347  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
348 348  
349 349  
... ... @@ -380,12 +380,7 @@
380 380  (((
381 381  (((
382 382  **AT+MOD=2**
383 -)))
384 -)))
385 385  
386 -(% class="box infomessage" %)
387 -(((
388 -(((
389 389  **ATZ**
390 390  )))
391 391  )))
... ... @@ -398,59 +398,33 @@
398 398  
399 399  (((
400 400  **For LT22222-L:**
401 -)))
402 402  
403 -(% class="box infomessage" %)
404 -(((
405 -(((
406 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
407 -)))
408 -)))
409 409  
410 -(% class="box infomessage" %)
411 -(((
412 -(((
413 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
414 -)))
415 -)))
414 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
416 416  
417 -(% class="box infomessage" %)
418 -(((
419 -(((
420 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
421 -)))
422 -)))
416 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
423 423  
424 -(% class="box infomessage" %)
425 -(((
426 -(((
427 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
428 -)))
429 -)))
418 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
430 430  
431 -(% class="box infomessage" %)
432 -(((
433 -(((
434 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
435 -)))
436 -)))
420 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
437 437  
438 -(% class="box infomessage" %)
439 -(((
440 -(((
441 -**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)**
442 442  )))
443 -)))
444 444  
445 445  
446 446  
447 447  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
448 448  
431 +
449 449  **LT22222-L**: This mode the DI1 is used as a counting pin.
450 450  
451 451  [[image:image-20220523181246-5.png]]
452 452  
453 453  (((
437 +
438 +
454 454  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
455 455  )))
456 456  
... ... @@ -464,6 +464,7 @@
464 464  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
465 465  )))
466 466  
452 +
467 467  (((
468 468  **To use counting mode, please run:**
469 469  )))
... ... @@ -472,12 +472,7 @@
472 472  (((
473 473  (((
474 474  **AT+MOD=3**
475 -)))
476 -)))
477 477  
478 -(% class="box infomessage" %)
479 -(((
480 -(((
481 481  **ATZ**
482 482  )))
483 483  )))
... ... @@ -522,20 +522,13 @@
522 522  (((
523 523  (((
524 524  **AT+MOD=4**
525 -)))
526 -)))
527 527  
528 -(% class="box infomessage" %)
529 -(((
530 -(((
531 531  **ATZ**
532 532  )))
533 533  )))
534 534  
535 -(((
536 -
537 -)))
538 538  
512 +
539 539  (((
540 540  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
541 541  )))
... ... @@ -544,35 +544,16 @@
544 544  
545 545  
546 546  **Plus below command for AVI1 Counting:**
547 -)))
548 548  
549 -(% class="box infomessage" %)
550 -(((
551 -(((
552 -**AT+SETCNT=3,60   (set AVI Count to 60)**
553 -)))
554 -)))
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 -)))
561 -)))
523 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
562 562  
563 -(% class="box infomessage" %)
564 -(((
565 -(((
566 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
567 -)))
568 -)))
525 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
569 569  
570 -(% class="box infomessage" %)
571 -(((
572 -(((
573 -**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)**
574 574  )))
575 -)))
576 576  
577 577  
578 578  
... ... @@ -609,12 +609,7 @@
609 609  (((
610 610  (((
611 611  **AT+MOD=5**
612 -)))
613 -)))
614 614  
615 -(% class="box infomessage" %)
616 -(((
617 -(((
618 618  **ATZ**
619 619  )))
620 620  )))
... ... @@ -632,8 +632,8 @@
632 632  
633 633  For example, if user has configured below commands:
634 634  
635 -* **AT+MOD=1 ** **~-~->** The normal working mode
636 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
585 +* **AT+MOD=1 ** **~-~->**  The normal working mode
586 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
637 637  
638 638  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
639 639  
... ... @@ -640,8 +640,9 @@
640 640  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
641 641  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.**
642 642  
643 -**AT Command to set Trigger Condition**:
593 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
644 644  
595 +
645 645  (% style="color:#4f81bd" %)**Trigger base on voltage**:
646 646  
647 647  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -676,7 +676,7 @@
676 676  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
677 677  
678 678  
679 -**Downlink Command to set Trigger Condition:**
630 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
680 680  
681 681  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
682 682  
... ... @@ -763,14 +763,14 @@
763 763  (((
764 764  
765 765  
766 -**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/]]
767 -
768 -
717 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
769 769  )))
770 770  
771 771  
721 +
772 772  == 3.4 ​Configure LT via AT or Downlink ==
773 773  
724 +
774 774  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
775 775  
776 776  (((
... ... @@ -781,8 +781,12 @@
781 781  
782 782  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
783 783  
735 +
736 +
737 +
784 784  === 3.4.1 Common Commands ===
785 785  
740 +
786 786  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]]
787 787  
788 788  
... ... @@ -789,80 +789,72 @@
789 789  
790 790  === 3.4.2 Sensor related commands ===
791 791  
747 +
792 792  ==== 3.4.2.1 Set Transmit Interval ====
793 793  
750 +
794 794  Set device uplink interval.
795 795  
796 -* AT Command:
753 +* (% style="color:#037691" %)**AT Command:**
797 797  
798 -(% class="box infomessage" %)
799 -(((
800 800  **AT+TDC=N **
801 -)))
802 802  
757 +
803 803  **Example: **AT+TDC=30000. Means set interval to 30 seconds
804 804  
805 805  
806 -* Downlink Payload (prefix 0x01):
761 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
807 807  
808 -(% class="box infomessage" %)
809 -(((
810 810  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
811 -)))
812 812  
813 813  
814 814  
767 +
815 815  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
816 816  
770 +
817 817  Set work mode.
818 818  
819 -* AT Command:
773 +* (% style="color:#037691" %)**AT Command:**
820 820  
821 -(% class="box infomessage" %)
822 -(((
823 823  **AT+MOD=N  **
824 -)))
825 825  
777 +
826 826  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
827 827  
828 828  
829 -* Downlink Payload (prefix 0x0A):
781 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
830 830  
831 -(% class="box infomessage" %)
832 -(((
833 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
834 -)))
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
835 835  
836 836  
837 837  
787 +
838 838  ==== 3.4.2.3 Poll an uplink ====
839 839  
840 -* AT Command:
841 841  
791 +* (% style="color:#037691" %)**AT Command:**
792 +
842 842  There is no AT Command to poll uplink
843 843  
844 844  
845 -* Downlink Payload (prefix 0x08):
796 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
846 846  
847 -(% class="box infomessage" %)
848 -(((
849 -**0x08 FF     ~/~/ Poll an uplink,**
850 -)))
798 +**0x08 FF     **~/~/ Poll an uplink
851 851  
852 852  **Example**: 0x08FF, ask device to send an Uplink
853 853  
854 854  
855 855  
804 +
856 856  ==== 3.4.2.4 Enable Trigger Mode ====
857 857  
807 +
858 858  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
859 859  
860 -* AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
861 861  
862 -(% class="box infomessage" %)
863 -(((
864 864  **AT+ADDMOD6=1 or 0**
865 -)))
866 866  
867 867  1: Enable Trigger Mode
868 868  
... ... @@ -869,43 +869,38 @@
869 869  0: Disable Trigger Mode
870 870  
871 871  
872 -* Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
873 873  
874 -(% class="box infomessage" %)
875 -(((
876 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
877 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
878 878  
879 879  
880 880  
825 +
881 881  ==== 3.4.2.5 Poll trigger settings ====
882 882  
828 +
883 883  Poll trigger settings,
884 884  
885 -* AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
886 886  
887 887  There is no AT Command for this feature.
888 888  
889 889  
890 -* Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
891 891  
892 -(% class="box infomessage" %)
893 -(((
894 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
895 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
896 896  
897 897  
898 898  
842 +
899 899  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
900 900  
845 +
901 901  Enable Disable DI1/DI2/DI2 as trigger,
902 902  
903 -* AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
904 904  
905 -(% class="box infomessage" %)
906 -(((
907 907  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
908 -)))
909 909  
910 910  
911 911  **Example:**
... ... @@ -912,25 +912,21 @@
912 912  
913 913  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
914 914  
915 -* Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
916 916  
917 -(% class="box infomessage" %)
918 -(((
919 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
920 -)))
859 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
921 921  
922 922  
923 923  
863 +
924 924  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
925 925  
866 +
926 926  Set DI1 or DI3(for LT-33222-L) trigger.
927 927  
928 -* AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
929 929  
930 -(% class="box infomessage" %)
931 -(((
932 932  **AT+TRIG1=a,b**
933 -)))
934 934  
935 935  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
936 936  
... ... @@ -942,26 +942,21 @@
942 942  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
943 943  
944 944  
945 -* 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)
946 946  
947 -(% class="box infomessage" %)
948 -(((
949 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
950 -)))
951 951  
952 952  
953 -
954 954  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
955 955  
890 +
956 956  Set DI2 trigger.
957 957  
958 -* AT Command:
893 +* (% style="color:#037691" %)**AT Command:**
959 959  
960 -(% class="box infomessage" %)
961 -(((
962 962  **AT+TRIG2=a,b**
963 -)))
964 964  
897 +
965 965  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
966 966  
967 967  b : delay timing.
... ... @@ -972,93 +972,82 @@
972 972  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
973 973  
974 974  
975 -* Downlink Payload (prefix 0x09 02 ):
908 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
976 976  
977 -(% class="box infomessage" %)
978 -(((
979 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
980 -)))
910 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
981 981  
982 982  
983 983  
914 +
984 984  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
985 985  
917 +
986 986  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
987 987  
988 -* AT Command:
920 +* (% style="color:#037691" %)**AT Command**
989 989  
990 -(% class="box infomessage" %)
991 -(((
992 -**AT+ACLIM. **
993 -)))
922 +**AT+ACLIM**
994 994  
995 995  
996 -* Downlink Payload (prefix 0xAA 01 ):
925 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
997 997  
998 -(% class="box infomessage" %)
999 -(((
1000 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1001 -)))
927 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1002 1002  
1003 1003  
1004 1004  
931 +
1005 1005  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1006 1006  
934 +
1007 1007  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1008 1008  
1009 -* AT Command:
937 +* (% style="color:#037691" %)**AT Command**
1010 1010  
1011 -(% class="box infomessage" %)
1012 -(((
1013 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1014 -)))
939 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1015 1015  
1016 1016  
1017 -* Downlink Payload (prefix 0xAA 00 ):
942 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1018 1018  
1019 -(% class="box infomessage" %)
1020 -(((
1021 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1022 -)))
944 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1023 1023  
1024 1024  
1025 1025  
948 +
1026 1026  ==== 3.4.2.11 Trigger – Set minimum interval ====
1027 1027  
1028 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1029 1029  
1030 -* 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.
1031 1031  
1032 -(% class="box infomessage" %)
1033 -(((
1034 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1035 -)))
954 +* (% style="color:#037691" %)**AT Command**
1036 1036  
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1037 1037  
1038 -* Downlink Payload (prefix 0xAC ):
1039 1039  
1040 -(% 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 +
1041 1041  (((
1042 -**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
1043 1043  )))
1044 1044  
1045 1045  
1046 1046  
971 +
1047 1047  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1048 1048  
1049 -* AT Command:
1050 1050  
975 +* (% style="color:#037691" %)**AT Command**
976 +
1051 1051  There is no AT Command to control Digital Output
1052 1052  
1053 1053  
1054 -* Downlink Payload (prefix 0x02):
980 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
981 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1055 1055  
1056 -(% class="box infomessage" %)
1057 1057  (((
1058 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1059 -)))
1060 -
1061 -(((
1062 1062  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1063 1063  )))
1064 1064  
... ... @@ -1078,22 +1078,20 @@
1078 1078  
1079 1079  
1080 1080  
1003 +
1081 1081  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1082 1082  
1083 -* AT Command:
1084 1084  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1085 1085  There is no AT Command to control Digital Output
1086 1086  
1087 1087  
1088 -* Downlink Payload (prefix 0xA9):
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1089 1089  
1090 -(% class="box infomessage" %)
1091 -(((
1092 -(((
1093 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1094 -)))
1095 -)))
1014 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1096 1096  
1016 +
1097 1097  This is to control the digital output time of DO pin. Include four bytes:
1098 1098  
1099 1099  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1147,20 +1147,20 @@
1147 1147  
1148 1148  
1149 1149  
1070 +
1150 1150  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1151 1151  
1152 -* AT Command:
1153 1153  
1074 +* (% style="color:#037691" %)**AT Command:**
1075 +
1154 1154  There is no AT Command to control Relay Output
1155 1155  
1156 1156  
1157 -* Downlink Payload (prefix 0x03):
1079 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1158 1158  
1159 -(% class="box infomessage" %)
1160 -(((
1161 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1162 -)))
1081 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1163 1163  
1083 +
1164 1164  (((
1165 1165  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1166 1166  )))
... ... @@ -1177,20 +1177,20 @@
1177 1177  
1178 1178  
1179 1179  
1100 +
1180 1180  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1181 1181  
1182 -* AT Command:
1183 1183  
1104 +* (% style="color:#037691" %)**AT Command:**
1105 +
1184 1184  There is no AT Command to control Relay Output
1185 1185  
1186 1186  
1187 -* Downlink Payload (prefix 0x05):
1109 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1188 1188  
1189 -(% class="box infomessage" %)
1190 -(((
1191 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1192 -)))
1111 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1193 1193  
1113 +
1194 1194  This is to control the relay output time of relay. Include four bytes:
1195 1195  
1196 1196  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1204,7 +1204,7 @@
1204 1204  
1205 1205  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1206 1206  
1207 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1208 1208  
1209 1209  
1210 1210  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1214,53 +1214,48 @@
1214 1214  
1215 1215  **Example payload:**
1216 1216  
1217 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1218 1218  
1219 -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.
1220 1220  
1221 1221  **2. 05 01 10 07 D0**
1222 1222  
1223 -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.
1224 1224  
1225 1225  **3. 05 00 01 07 D0**
1226 1226  
1227 -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.
1228 1228  
1229 1229  **4. 05 00 00 07 D0**
1230 1230  
1231 -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.
1232 1232  
1233 1233  
1234 1234  
1155 +
1235 1235  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1236 1236  
1158 +
1237 1237  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1238 1238  
1239 -* AT Command:
1161 +* (% style="color:#037691" %)**AT Command:**
1240 1240  
1241 -(% class="box infomessage" %)
1242 -(((
1243 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1244 -)))
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1245 1245  
1246 1246  
1247 -* Downlink Payload (prefix 0xA5):
1166 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1248 1248  
1249 -(% class="box infomessage" %)
1250 -(((
1251 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1252 -)))
1168 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1253 1253  
1254 1254  
1255 1255  
1172 +
1256 1256  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1257 1257  
1258 -* AT Command:
1259 1259  
1260 -(% class="box infomessage" %)
1261 -(((
1176 +* (% style="color:#037691" %)**AT Command:**
1177 +
1262 1262  **AT+SETCNT=aa,(bb cc dd ee) **
1263 -)))
1264 1264  
1265 1265  aa: 1: Set count1,
1266 1266  
... ... @@ -1271,51 +1271,42 @@
1271 1271  Bb cc dd ee: number to be set
1272 1272  
1273 1273  
1274 -* Downlink Payload (prefix 0xA8):
1189 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1275 1275  
1276 -(% class="box infomessage" %)
1277 -(((
1278 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1279 -)))
1191 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1280 1280  
1281 1281  
1282 1282  
1195 +
1283 1283  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1284 1284  
1198 +
1285 1285  Clear counting for counting mode
1286 1286  
1287 -* AT Command:
1201 +* (% style="color:#037691" %)**AT Command:**
1288 1288  
1289 -(% class="box infomessage" %)
1290 -(((
1291 -**AT+CLRCOUNT ~/~/ clear all counting**
1292 -)))
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1293 1293  
1294 -* Downlink Payload (prefix 0xA6):
1295 1295  
1296 -(% class="box infomessage" %)
1297 -(((
1298 -**0x A6 01     ~/~/ clear all counting,**
1299 -)))
1206 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1300 1300  
1208 +**0x A6 01    ** ~/~/ clear all counting
1301 1301  
1302 1302  
1211 +
1212 +
1303 1303  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1304 1304  
1305 -* AT Command:
1306 1306  
1307 -(% class="box infomessage" %)
1308 -(((
1309 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1310 -)))
1216 +* (% style="color:#037691" %)**AT Command:**
1311 1311  
1312 -* 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)
1313 1313  
1314 -(% class="box infomessage" %)
1315 -(((
1316 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1317 -)))
1318 1318  
1221 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1222 +
1223 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1224 +
1319 1319  (((
1320 1320  range: aa bb cc:0 to 16777215,  (unit:second)
1321 1321  
... ... @@ -1323,8 +1323,10 @@
1323 1323  )))
1324 1324  
1325 1325  
1232 +
1326 1326  == 3.5 Integrate with Mydevice ==
1327 1327  
1235 +
1328 1328  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:
1329 1329  
1330 1330  (((
... ... @@ -1333,14 +1333,15 @@
1333 1333  
1334 1334  (((
1335 1335  (% 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 +
1336 1336  )))
1337 1337  
1338 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1339 1339  
1340 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1341 1341  
1342 1342  
1343 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1344 1344  
1345 1345  
1346 1346  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1373,8 +1373,10 @@
1373 1373  
1374 1374  == 3.6 Interface Detail ==
1375 1375  
1285 +
1376 1376  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1377 1377  
1288 +
1378 1378  Support NPN Type sensor
1379 1379  
1380 1380  [[image:1653356991268-289.png]]
... ... @@ -1383,6 +1383,7 @@
1383 1383  
1384 1384  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1385 1385  
1297 +
1386 1386  (((
1387 1387  The DI port of LT-22222-L can support NPN or PNP output sensor.
1388 1388  )))
... ... @@ -1389,7 +1389,9 @@
1389 1389  
1390 1390  (((
1391 1391  (((
1392 -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 +
1393 1393  )))
1394 1394  )))
1395 1395  
... ... @@ -1434,6 +1434,8 @@
1434 1434  
1435 1435  (((
1436 1436  
1351 +
1352 +
1437 1437  )))
1438 1438  
1439 1439  (((
... ... @@ -1465,6 +1465,8 @@
1465 1465  
1466 1466  (((
1467 1467  
1384 +
1385 +
1468 1468  )))
1469 1469  
1470 1470  (((
... ... @@ -1498,6 +1498,7 @@
1498 1498  
1499 1499  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1500 1500  
1419 +
1501 1501  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1502 1502  
1503 1503  [[image:1653357531600-905.png]]
... ... @@ -1506,6 +1506,7 @@
1506 1506  
1507 1507  === 3.6.4 Analog Input Interface ===
1508 1508  
1428 +
1509 1509  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:
1510 1510  
1511 1511  
... ... @@ -1537,6 +1537,7 @@
1537 1537  
1538 1538  === 3.6.5 Relay Output ===
1539 1539  
1460 +
1540 1540  (((
1541 1541  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:
1542 1542  )))
... ... @@ -1549,13 +1549,17 @@
1549 1549  
1550 1550  == 3.7 LEDs Indicators ==
1551 1551  
1473 +
1552 1552  [[image:image-20220524100748-11.png]]
1553 1553  
1554 1554  
1477 +
1555 1555  = 4. Use AT Command =
1556 1556  
1480 +
1557 1557  == 4.1 Access AT Command ==
1558 1558  
1483 +
1559 1559  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.
1560 1560  
1561 1561  [[image:1653358238933-385.png]]
... ... @@ -1754,8 +1754,6 @@
1754 1754  
1755 1755  (((
1756 1756  AT+CFG: Print all settings
1757 -
1758 -
1759 1759  )))
1760 1760  
1761 1761  
... ... @@ -1762,6 +1762,7 @@
1762 1762  
1763 1763  == 4.2 Common AT Command Sequence ==
1764 1764  
1688 +
1765 1765  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1766 1766  
1767 1767  (((
... ... @@ -1801,8 +1801,6 @@
1801 1801  
1802 1802  (((
1803 1803  (% style="background-color:#dcdcdc" %)ATZ
1804 -
1805 -
1806 1806  )))
1807 1807  
1808 1808  
... ... @@ -1887,13 +1887,16 @@
1887 1887  
1888 1888  === 4.2.3 Change to Class A ===
1889 1889  
1812 +
1890 1890  If sensor JOINED
1891 1891  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1892 1892  ATZ
1893 1893  
1894 1894  
1818 +
1895 1895  = 5. FAQ =
1896 1896  
1821 +
1897 1897  == 5.1 How to upgrade the image? ==
1898 1898  
1899 1899  
... ... @@ -1915,7 +1915,9 @@
1915 1915  
1916 1916  
1917 1917  (% style="color:blue" %)**For LT-22222-L**(%%):
1918 -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 +
1919 1919  )))
1920 1920  
1921 1921   [[image:image-20220524103407-12.png]]
... ... @@ -1927,6 +1927,7 @@
1927 1927  
1928 1928  (% 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:
1929 1929  
1857 +
1930 1930  [[image:1653360054704-518.png||height="186" width="745"]]
1931 1931  
1932 1932  
... ... @@ -1935,6 +1935,8 @@
1935 1935  
1936 1936  
1937 1937  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1938 1938  )))
1939 1939  )))
1940 1940  
... ... @@ -1945,7 +1945,10 @@
1945 1945  (((
1946 1946  
1947 1947  
1878 +
1948 1948  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1949 1949  )))
1950 1950  
1951 1951  (((
... ... @@ -1963,7 +1963,7 @@
1963 1963  )))
1964 1964  
1965 1965  (((
1966 -(% 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.
1967 1967  )))
1968 1968  
1969 1969  (((
... ... @@ -1971,12 +1971,12 @@
1971 1971  )))
1972 1972  
1973 1973  (((
1974 -(% 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.**
1975 1975  )))
1976 1976  
1977 1977  
1978 1978  (((
1979 -(% 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:
1980 1980  )))
1981 1981  
1982 1982  (((
... ... @@ -2000,20 +2000,28 @@
2000 2000  [[image:1653360498588-932.png||height="485" width="726"]]
2001 2001  
2002 2002  
1936 +
2003 2003  == 5.4 Can I see counting event in Serial? ==
2004 2004  
1939 +
2005 2005  (((
2006 -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.
2007 2007  
2008 2008  
1944 +
2009 2009  == 5.5 Can i use point to point communication for LT-22222-L? ==
2010 2010  
1947 +
2011 2011  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
2012 2012  )))
2013 2013  
2014 2014  (((
2015 2015  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2016 2016  
1957 +
2017 2017  If the device is not shut down, but directly powered off.
2018 2018  
2019 2019  It will default that this is a power-off state.
... ... @@ -2022,12 +2022,16 @@
2022 2022  
2023 2023  After restart, the status before power failure will be read from flash.
2024 2024  
1966 +
1967 +
2025 2025  = 6. Trouble Shooting =
2026 2026  )))
2027 2027  
2028 2028  (((
2029 2029  (((
2030 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
2031 2031  )))
2032 2032  )))
2033 2033  
... ... @@ -2038,7 +2038,10 @@
2038 2038  (((
2039 2039  
2040 2040  
1986 +
2041 2041  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
2042 2042  )))
2043 2043  
2044 2044  (((
... ... @@ -2048,7 +2048,10 @@
2048 2048  (((
2049 2049  
2050 2050  
2051 -== 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 +
2052 2052  )))
2053 2053  
2054 2054  (((
... ... @@ -2062,19 +2062,21 @@
2062 2062  
2063 2063  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2064 2064  
2065 -
2066 2066  (% style="color:#4f81bd" %)**XXX:**
2067 2067  
2068 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2069 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2070 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2071 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2072 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2073 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2074 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2075 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2076 -* (% 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
2077 2077  
2028 +
2029 +
2030 +
2078 2078  = 8. Packing Info =
2079 2079  
2080 2080  
... ... @@ -2092,18 +2092,29 @@
2092 2092  * Package Size / pcs : 14.5 x 8 x 5 cm
2093 2093  * Weight / pcs : 170g
2094 2094  
2048 +
2049 +
2050 +
2095 2095  = 9. Support =
2096 2096  
2053 +
2097 2097  * (((
2098 2098  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.
2099 2099  )))
2100 2100  * (((
2101 2101  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 +
2102 2102  )))
2103 2103  
2104 2104  = 10. Reference​​​​​ =
2105 2105  
2068 +
2106 2106  * 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]]
2107 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2108 -* [[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]]
2109 2109  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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