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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.5
edited by Xiaoling
on 2022/06/20 11:17
Change comment: There is no comment for this version
To version 90.7
edited by Xiaoling
on 2022/08/18 13:38
Change comment: There is no comment for this version

Summary

Details

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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" %)(((
... ... @@ -209,8 +209,10 @@
209 209  * 1 x Counting Port
210 210  )))
211 211  
214 +
212 212  = 2. Power ON Device =
213 213  
217 +
214 214  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.
215 215  
216 216  (((
... ... @@ -225,19 +225,24 @@
225 225  
226 226  == 3.1 How it works? ==
227 227  
232 +
228 228  (((
229 -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. 
230 230  )))
231 231  
232 232  (((
233 -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.
234 234  )))
235 235  
236 236  
242 +
237 237  == 3.2 Example to join LoRaWAN network ==
238 238  
245 +
239 239  (((
240 240  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 +
241 241  )))
242 242  
243 243  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -245,6 +245,8 @@
245 245  
246 246  (((
247 247  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 +
248 248  )))
249 249  
250 250  (((
... ... @@ -270,6 +270,7 @@
270 270  [[image:1653298023685-319.png]]
271 271  
272 272  
284 +
273 273  (((
274 274  (% 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.
275 275  )))
... ... @@ -280,17 +280,21 @@
280 280  
281 281  == 3.3 Uplink Payload ==
282 282  
295 +
283 283  There are five working modes + one interrupt mode on LT for different type application:
284 284  
285 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
286 -* **MOD2**: Double DI Counting + DO + RO
287 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
288 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
289 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
290 -* **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
291 291  
305 +
306 +
292 292  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293 293  
309 +
294 294  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
295 295  
296 296  [[image:image-20220523174024-3.png]]
... ... @@ -342,6 +342,8 @@
342 342  ** DO1 is high in case there is load between DO1 and V+.
343 343  ** DO1 LED is off in both case
344 344  
361 +
362 +
345 345  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
346 346  
347 347  
... ... @@ -378,12 +378,7 @@
378 378  (((
379 379  (((
380 380  **AT+MOD=2**
381 -)))
382 -)))
383 383  
384 -(% class="box infomessage" %)
385 -(((
386 -(((
387 387  **ATZ**
388 388  )))
389 389  )))
... ... @@ -396,59 +396,33 @@
396 396  
397 397  (((
398 398  **For LT22222-L:**
399 -)))
400 400  
401 -(% class="box infomessage" %)
402 -(((
403 -(((
404 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
405 -)))
406 -)))
407 407  
408 -(% class="box infomessage" %)
409 -(((
410 -(((
411 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
412 -)))
413 -)))
414 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
414 414  
415 -(% class="box infomessage" %)
416 -(((
417 -(((
418 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
419 -)))
420 -)))
416 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
421 421  
422 -(% class="box infomessage" %)
423 -(((
424 -(((
425 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
426 -)))
427 -)))
418 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
428 428  
429 -(% class="box infomessage" %)
430 -(((
431 -(((
432 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
433 -)))
434 -)))
420 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
435 435  
436 -(% class="box infomessage" %)
437 -(((
438 -(((
439 -**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)**
440 440  )))
441 -)))
442 442  
443 443  
444 444  
445 445  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
446 446  
431 +
447 447  **LT22222-L**: This mode the DI1 is used as a counting pin.
448 448  
449 449  [[image:image-20220523181246-5.png]]
450 450  
451 451  (((
437 +
438 +
452 452  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
453 453  )))
454 454  
... ... @@ -462,6 +462,7 @@
462 462  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
463 463  )))
464 464  
452 +
465 465  (((
466 466  **To use counting mode, please run:**
467 467  )))
... ... @@ -470,12 +470,7 @@
470 470  (((
471 471  (((
472 472  **AT+MOD=3**
473 -)))
474 -)))
475 475  
476 -(% class="box infomessage" %)
477 -(((
478 -(((
479 479  **ATZ**
480 480  )))
481 481  )))
... ... @@ -520,20 +520,13 @@
520 520  (((
521 521  (((
522 522  **AT+MOD=4**
523 -)))
524 -)))
525 525  
526 -(% class="box infomessage" %)
527 -(((
528 -(((
529 529  **ATZ**
530 530  )))
531 531  )))
532 532  
533 -(((
534 -
535 -)))
536 536  
512 +
537 537  (((
538 538  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
539 539  )))
... ... @@ -542,35 +542,16 @@
542 542  
543 543  
544 544  **Plus below command for AVI1 Counting:**
545 -)))
546 546  
547 -(% class="box infomessage" %)
548 -(((
549 -(((
550 -**AT+SETCNT=3,60   (set AVI Count to 60)**
551 -)))
552 -)))
553 553  
554 -(% class="box infomessage" %)
555 -(((
556 -(((
557 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
558 -)))
559 -)))
523 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
560 560  
561 -(% class="box infomessage" %)
562 -(((
563 -(((
564 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
565 -)))
566 -)))
525 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
567 567  
568 -(% class="box infomessage" %)
569 -(((
570 -(((
571 -**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)**
572 572  )))
573 -)))
574 574  
575 575  
576 576  
... ... @@ -607,12 +607,7 @@
607 607  (((
608 608  (((
609 609  **AT+MOD=5**
610 -)))
611 -)))
612 612  
613 -(% class="box infomessage" %)
614 -(((
615 -(((
616 616  **ATZ**
617 617  )))
618 618  )))
... ... @@ -630,8 +630,8 @@
630 630  
631 631  For example, if user has configured below commands:
632 632  
633 -* **AT+MOD=1 ** **~-~->** The normal working mode
634 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
585 +* **AT+MOD=1 ** **~-~->**  The normal working mode
586 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
635 635  
636 636  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
637 637  
... ... @@ -638,8 +638,9 @@
638 638  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
639 639  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.**
640 640  
641 -**AT Command to set Trigger Condition**:
593 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
642 642  
595 +
643 643  (% style="color:#4f81bd" %)**Trigger base on voltage**:
644 644  
645 645  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -674,7 +674,7 @@
674 674  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
675 675  
676 676  
677 -**Downlink Command to set Trigger Condition:**
630 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
678 678  
679 679  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
680 680  
... ... @@ -761,14 +761,14 @@
761 761  (((
762 762  
763 763  
764 -**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/]]
765 -
766 -
717 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
767 767  )))
768 768  
769 769  
721 +
770 770  == 3.4 ​Configure LT via AT or Downlink ==
771 771  
724 +
772 772  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
773 773  
774 774  (((
... ... @@ -779,8 +779,12 @@
779 779  
780 780  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
781 781  
735 +
736 +
737 +
782 782  === 3.4.1 Common Commands ===
783 783  
740 +
784 784  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]]
785 785  
786 786  
... ... @@ -787,80 +787,72 @@
787 787  
788 788  === 3.4.2 Sensor related commands ===
789 789  
747 +
790 790  ==== 3.4.2.1 Set Transmit Interval ====
791 791  
750 +
792 792  Set device uplink interval.
793 793  
794 -* AT Command:
753 +* (% style="color:#037691" %)**AT Command:**
795 795  
796 -(% class="box infomessage" %)
797 -(((
798 798  **AT+TDC=N **
799 -)))
800 800  
757 +
801 801  **Example: **AT+TDC=30000. Means set interval to 30 seconds
802 802  
803 803  
804 -* Downlink Payload (prefix 0x01):
761 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
805 805  
806 -(% class="box infomessage" %)
807 -(((
808 808  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
809 -)))
810 810  
811 811  
812 812  
767 +
813 813  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
814 814  
770 +
815 815  Set work mode.
816 816  
817 -* AT Command:
773 +* (% style="color:#037691" %)**AT Command:**
818 818  
819 -(% class="box infomessage" %)
820 -(((
821 821  **AT+MOD=N  **
822 -)))
823 823  
777 +
824 824  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
825 825  
826 826  
827 -* Downlink Payload (prefix 0x0A):
781 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
828 828  
829 -(% class="box infomessage" %)
830 -(((
831 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
832 -)))
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
833 833  
834 834  
835 835  
787 +
836 836  ==== 3.4.2.3 Poll an uplink ====
837 837  
838 -* AT Command:
839 839  
791 +* (% style="color:#037691" %)**AT Command:**
792 +
840 840  There is no AT Command to poll uplink
841 841  
842 842  
843 -* Downlink Payload (prefix 0x08):
796 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
844 844  
845 -(% class="box infomessage" %)
846 -(((
847 -**0x08 FF     ~/~/ Poll an uplink,**
848 -)))
798 +**0x08 FF     **~/~/ Poll an uplink
849 849  
850 850  **Example**: 0x08FF, ask device to send an Uplink
851 851  
852 852  
853 853  
804 +
854 854  ==== 3.4.2.4 Enable Trigger Mode ====
855 855  
807 +
856 856  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
857 857  
858 -* AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
859 859  
860 -(% class="box infomessage" %)
861 -(((
862 862  **AT+ADDMOD6=1 or 0**
863 -)))
864 864  
865 865  1: Enable Trigger Mode
866 866  
... ... @@ -867,43 +867,38 @@
867 867  0: Disable Trigger Mode
868 868  
869 869  
870 -* Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
871 871  
872 -(% class="box infomessage" %)
873 -(((
874 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
875 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
876 876  
877 877  
878 878  
825 +
879 879  ==== 3.4.2.5 Poll trigger settings ====
880 880  
828 +
881 881  Poll trigger settings,
882 882  
883 -* AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
884 884  
885 885  There is no AT Command for this feature.
886 886  
887 887  
888 -* Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
889 889  
890 -(% class="box infomessage" %)
891 -(((
892 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
893 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
894 894  
895 895  
896 896  
842 +
897 897  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
898 898  
845 +
899 899  Enable Disable DI1/DI2/DI2 as trigger,
900 900  
901 -* AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
902 902  
903 -(% class="box infomessage" %)
904 -(((
905 905  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
906 -)))
907 907  
908 908  
909 909  **Example:**
... ... @@ -910,25 +910,21 @@
910 910  
911 911  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
912 912  
913 -* Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
914 914  
915 -(% class="box infomessage" %)
916 -(((
917 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
918 -)))
859 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
919 919  
920 920  
921 921  
863 +
922 922  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
923 923  
866 +
924 924  Set DI1 or DI3(for LT-33222-L) trigger.
925 925  
926 -* AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
927 927  
928 -(% class="box infomessage" %)
929 -(((
930 930  **AT+TRIG1=a,b**
931 -)))
932 932  
933 933  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
934 934  
... ... @@ -940,26 +940,21 @@
940 940  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
941 941  
942 942  
943 -* 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)
944 944  
945 -(% class="box infomessage" %)
946 -(((
947 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
948 -)))
949 949  
950 950  
951 -
952 952  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
953 953  
890 +
954 954  Set DI2 trigger.
955 955  
956 -* AT Command:
893 +* (% style="color:#037691" %)**AT Command:**
957 957  
958 -(% class="box infomessage" %)
959 -(((
960 960  **AT+TRIG2=a,b**
961 -)))
962 962  
897 +
963 963  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
964 964  
965 965  b : delay timing.
... ... @@ -970,93 +970,82 @@
970 970  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
971 971  
972 972  
973 -* Downlink Payload (prefix 0x09 02 ):
908 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
974 974  
975 -(% class="box infomessage" %)
976 -(((
977 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
978 -)))
910 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
979 979  
980 980  
981 981  
914 +
982 982  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
983 983  
917 +
984 984  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985 985  
986 -* AT Command:
920 +* (% style="color:#037691" %)**AT Command**
987 987  
988 -(% class="box infomessage" %)
989 -(((
990 -**AT+ACLIM. **
991 -)))
922 +**AT+ACLIM**
992 992  
993 993  
994 -* Downlink Payload (prefix 0xAA 01 ):
925 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
995 995  
996 -(% class="box infomessage" %)
997 -(((
998 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
999 -)))
927 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1000 1000  
1001 1001  
1002 1002  
931 +
1003 1003  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1004 1004  
934 +
1005 1005  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006 1006  
1007 -* AT Command:
937 +* (% style="color:#037691" %)**AT Command**
1008 1008  
1009 -(% class="box infomessage" %)
1010 -(((
1011 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1012 -)))
939 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1013 1013  
1014 1014  
1015 -* Downlink Payload (prefix 0xAA 00 ):
942 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1016 1016  
1017 -(% class="box infomessage" %)
1018 -(((
1019 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1020 -)))
944 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1021 1021  
1022 1022  
1023 1023  
948 +
1024 1024  ==== 3.4.2.11 Trigger – Set minimum interval ====
1025 1025  
1026 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1027 1027  
1028 -* 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.
1029 1029  
1030 -(% class="box infomessage" %)
1031 -(((
1032 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1033 -)))
954 +* (% style="color:#037691" %)**AT Command**
1034 1034  
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1035 1035  
1036 -* Downlink Payload (prefix 0xAC ):
1037 1037  
1038 -(% 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 +
1039 1039  (((
1040 -**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
1041 1041  )))
1042 1042  
1043 1043  
1044 1044  
971 +
1045 1045  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1046 1046  
1047 -* AT Command:
1048 1048  
975 +* (% style="color:#037691" %)**AT Command**
976 +
1049 1049  There is no AT Command to control Digital Output
1050 1050  
1051 1051  
1052 -* Downlink Payload (prefix 0x02):
980 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
981 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1053 1053  
1054 -(% class="box infomessage" %)
1055 1055  (((
1056 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1057 -)))
1058 -
1059 -(((
1060 1060  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1061 1061  )))
1062 1062  
... ... @@ -1076,22 +1076,20 @@
1076 1076  
1077 1077  
1078 1078  
1003 +
1079 1079  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1080 1080  
1081 -* AT Command:
1082 1082  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1083 1083  There is no AT Command to control Digital Output
1084 1084  
1085 1085  
1086 -* Downlink Payload (prefix 0xA9):
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1087 1087  
1088 -(% class="box infomessage" %)
1089 -(((
1090 -(((
1091 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1092 -)))
1093 -)))
1014 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1094 1094  
1016 +
1095 1095  This is to control the digital output time of DO pin. Include four bytes:
1096 1096  
1097 1097  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1145,20 +1145,20 @@
1145 1145  
1146 1146  
1147 1147  
1070 +
1148 1148  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1149 1149  
1150 -* AT Command:
1151 1151  
1074 +* (% style="color:#037691" %)**AT Command:**
1075 +
1152 1152  There is no AT Command to control Relay Output
1153 1153  
1154 1154  
1155 -* Downlink Payload (prefix 0x03):
1079 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1156 1156  
1157 -(% class="box infomessage" %)
1158 -(((
1159 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1160 -)))
1081 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1161 1161  
1083 +
1162 1162  (((
1163 1163  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1164 1164  )))
... ... @@ -1175,20 +1175,20 @@
1175 1175  
1176 1176  
1177 1177  
1100 +
1178 1178  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1179 1179  
1180 -* AT Command:
1181 1181  
1104 +* (% style="color:#037691" %)**AT Command:**
1105 +
1182 1182  There is no AT Command to control Relay Output
1183 1183  
1184 1184  
1185 -* Downlink Payload (prefix 0x05):
1109 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1186 1186  
1187 -(% class="box infomessage" %)
1188 -(((
1189 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1190 -)))
1111 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1191 1191  
1113 +
1192 1192  This is to control the relay output time of relay. Include four bytes:
1193 1193  
1194 1194  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1202,7 +1202,7 @@
1202 1202  
1203 1203  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1204 1204  
1205 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1206 1206  
1207 1207  
1208 1208  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1212,53 +1212,48 @@
1212 1212  
1213 1213  **Example payload:**
1214 1214  
1215 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1216 1216  
1217 -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.
1218 1218  
1219 1219  **2. 05 01 10 07 D0**
1220 1220  
1221 -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.
1222 1222  
1223 1223  **3. 05 00 01 07 D0**
1224 1224  
1225 -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.
1226 1226  
1227 1227  **4. 05 00 00 07 D0**
1228 1228  
1229 -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.
1230 1230  
1231 1231  
1232 1232  
1155 +
1233 1233  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1234 1234  
1158 +
1235 1235  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1236 1236  
1237 -* AT Command:
1161 +* (% style="color:#037691" %)**AT Command:**
1238 1238  
1239 -(% class="box infomessage" %)
1240 -(((
1241 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1242 -)))
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1243 1243  
1244 1244  
1245 -* Downlink Payload (prefix 0xA5):
1166 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246 1246  
1247 -(% class="box infomessage" %)
1248 -(((
1249 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1250 -)))
1168 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1251 1251  
1252 1252  
1253 1253  
1172 +
1254 1254  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1255 1255  
1256 -* AT Command:
1257 1257  
1258 -(% class="box infomessage" %)
1259 -(((
1176 +* (% style="color:#037691" %)**AT Command:**
1177 +
1260 1260  **AT+SETCNT=aa,(bb cc dd ee) **
1261 -)))
1262 1262  
1263 1263  aa: 1: Set count1,
1264 1264  
... ... @@ -1269,51 +1269,42 @@
1269 1269  Bb cc dd ee: number to be set
1270 1270  
1271 1271  
1272 -* Downlink Payload (prefix 0xA8):
1189 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1273 1273  
1274 -(% class="box infomessage" %)
1275 -(((
1276 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1277 -)))
1191 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1278 1278  
1279 1279  
1280 1280  
1195 +
1281 1281  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1282 1282  
1198 +
1283 1283  Clear counting for counting mode
1284 1284  
1285 -* AT Command:
1201 +* (% style="color:#037691" %)**AT Command:**
1286 1286  
1287 -(% class="box infomessage" %)
1288 -(((
1289 -**AT+CLRCOUNT ~/~/ clear all counting**
1290 -)))
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1291 1291  
1292 -* Downlink Payload (prefix 0xA6):
1293 1293  
1294 -(% class="box infomessage" %)
1295 -(((
1296 -**0x A6 01     ~/~/ clear all counting,**
1297 -)))
1206 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1298 1298  
1208 +**0x A6 01    ** ~/~/ clear all counting
1299 1299  
1300 1300  
1211 +
1212 +
1301 1301  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1302 1302  
1303 -* AT Command:
1304 1304  
1305 -(% class="box infomessage" %)
1306 -(((
1307 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1308 -)))
1216 +* (% style="color:#037691" %)**AT Command:**
1309 1309  
1310 -* 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)
1311 1311  
1312 -(% class="box infomessage" %)
1313 -(((
1314 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1315 -)))
1316 1316  
1221 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1222 +
1223 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1224 +
1317 1317  (((
1318 1318  range: aa bb cc:0 to 16777215,  (unit:second)
1319 1319  
... ... @@ -1321,8 +1321,10 @@
1321 1321  )))
1322 1322  
1323 1323  
1232 +
1324 1324  == 3.5 Integrate with Mydevice ==
1325 1325  
1235 +
1326 1326  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:
1327 1327  
1328 1328  (((
... ... @@ -1331,14 +1331,15 @@
1331 1331  
1332 1332  (((
1333 1333  (% 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 +
1334 1334  )))
1335 1335  
1336 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1337 1337  
1338 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1339 1339  
1340 1340  
1341 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1342 1342  
1343 1343  
1344 1344  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1371,8 +1371,10 @@
1371 1371  
1372 1372  == 3.6 Interface Detail ==
1373 1373  
1285 +
1374 1374  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1375 1375  
1288 +
1376 1376  Support NPN Type sensor
1377 1377  
1378 1378  [[image:1653356991268-289.png]]
... ... @@ -1381,6 +1381,7 @@
1381 1381  
1382 1382  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1383 1383  
1297 +
1384 1384  (((
1385 1385  The DI port of LT-22222-L can support NPN or PNP output sensor.
1386 1386  )))
... ... @@ -1387,7 +1387,9 @@
1387 1387  
1388 1388  (((
1389 1389  (((
1390 -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 +
1391 1391  )))
1392 1392  )))
1393 1393  
... ... @@ -1432,6 +1432,8 @@
1432 1432  
1433 1433  (((
1434 1434  
1351 +
1352 +
1435 1435  )))
1436 1436  
1437 1437  (((
... ... @@ -1463,6 +1463,8 @@
1463 1463  
1464 1464  (((
1465 1465  
1384 +
1385 +
1466 1466  )))
1467 1467  
1468 1468  (((
... ... @@ -1496,6 +1496,7 @@
1496 1496  
1497 1497  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1498 1498  
1419 +
1499 1499  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1500 1500  
1501 1501  [[image:1653357531600-905.png]]
... ... @@ -1504,6 +1504,7 @@
1504 1504  
1505 1505  === 3.6.4 Analog Input Interface ===
1506 1506  
1428 +
1507 1507  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:
1508 1508  
1509 1509  
... ... @@ -1535,6 +1535,7 @@
1535 1535  
1536 1536  === 3.6.5 Relay Output ===
1537 1537  
1460 +
1538 1538  (((
1539 1539  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:
1540 1540  )))
... ... @@ -1547,13 +1547,17 @@
1547 1547  
1548 1548  == 3.7 LEDs Indicators ==
1549 1549  
1473 +
1550 1550  [[image:image-20220524100748-11.png]]
1551 1551  
1552 1552  
1477 +
1553 1553  = 4. Use AT Command =
1554 1554  
1480 +
1555 1555  == 4.1 Access AT Command ==
1556 1556  
1483 +
1557 1557  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.
1558 1558  
1559 1559  [[image:1653358238933-385.png]]
... ... @@ -1752,8 +1752,6 @@
1752 1752  
1753 1753  (((
1754 1754  AT+CFG: Print all settings
1755 -
1756 -
1757 1757  )))
1758 1758  
1759 1759  
... ... @@ -1760,6 +1760,7 @@
1760 1760  
1761 1761  == 4.2 Common AT Command Sequence ==
1762 1762  
1688 +
1763 1763  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1764 1764  
1765 1765  (((
... ... @@ -1799,8 +1799,6 @@
1799 1799  
1800 1800  (((
1801 1801  (% style="background-color:#dcdcdc" %)ATZ
1802 -
1803 -
1804 1804  )))
1805 1805  
1806 1806  
... ... @@ -1885,13 +1885,16 @@
1885 1885  
1886 1886  === 4.2.3 Change to Class A ===
1887 1887  
1812 +
1888 1888  If sensor JOINED
1889 1889  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1890 1890  ATZ
1891 1891  
1892 1892  
1818 +
1893 1893  = 5. FAQ =
1894 1894  
1821 +
1895 1895  == 5.1 How to upgrade the image? ==
1896 1896  
1897 1897  
... ... @@ -1913,7 +1913,9 @@
1913 1913  
1914 1914  
1915 1915  (% style="color:blue" %)**For LT-22222-L**(%%):
1916 -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 +
1917 1917  )))
1918 1918  
1919 1919   [[image:image-20220524103407-12.png]]
... ... @@ -1925,6 +1925,7 @@
1925 1925  
1926 1926  (% 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:
1927 1927  
1857 +
1928 1928  [[image:1653360054704-518.png||height="186" width="745"]]
1929 1929  
1930 1930  
... ... @@ -1933,6 +1933,8 @@
1933 1933  
1934 1934  
1935 1935  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1936 1936  )))
1937 1937  )))
1938 1938  
... ... @@ -1943,7 +1943,10 @@
1943 1943  (((
1944 1944  
1945 1945  
1878 +
1946 1946  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1947 1947  )))
1948 1948  
1949 1949  (((
... ... @@ -1961,7 +1961,7 @@
1961 1961  )))
1962 1962  
1963 1963  (((
1964 -(% 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.
1965 1965  )))
1966 1966  
1967 1967  (((
... ... @@ -1969,12 +1969,12 @@
1969 1969  )))
1970 1970  
1971 1971  (((
1972 -(% 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.**
1973 1973  )))
1974 1974  
1975 1975  
1976 1976  (((
1977 -(% 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:
1978 1978  )))
1979 1979  
1980 1980  (((
... ... @@ -1998,20 +1998,28 @@
1998 1998  [[image:1653360498588-932.png||height="485" width="726"]]
1999 1999  
2000 2000  
1936 +
2001 2001  == 5.4 Can I see counting event in Serial? ==
2002 2002  
1939 +
2003 2003  (((
2004 -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.
2005 2005  
2006 2006  
1944 +
2007 2007  == 5.5 Can i use point to point communication for LT-22222-L? ==
2008 2008  
1947 +
2009 2009  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
2010 2010  )))
2011 2011  
2012 2012  (((
2013 2013  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2014 2014  
1957 +
2015 2015  If the device is not shut down, but directly powered off.
2016 2016  
2017 2017  It will default that this is a power-off state.
... ... @@ -2020,12 +2020,16 @@
2020 2020  
2021 2021  After restart, the status before power failure will be read from flash.
2022 2022  
1966 +
1967 +
2023 2023  = 6. Trouble Shooting =
2024 2024  )))
2025 2025  
2026 2026  (((
2027 2027  (((
2028 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
2029 2029  )))
2030 2030  )))
2031 2031  
... ... @@ -2036,7 +2036,10 @@
2036 2036  (((
2037 2037  
2038 2038  
1986 +
2039 2039  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
2040 2040  )))
2041 2041  
2042 2042  (((
... ... @@ -2046,7 +2046,10 @@
2046 2046  (((
2047 2047  
2048 2048  
2049 -== 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 +
2050 2050  )))
2051 2051  
2052 2052  (((
... ... @@ -2060,19 +2060,21 @@
2060 2060  
2061 2061  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2062 2062  
2063 -
2064 2064  (% style="color:#4f81bd" %)**XXX:**
2065 2065  
2066 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2067 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2068 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2069 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2070 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2071 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2072 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2073 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2074 -* (% 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
2075 2075  
2028 +
2029 +
2030 +
2076 2076  = 8. Packing Info =
2077 2077  
2078 2078  
... ... @@ -2090,18 +2090,29 @@
2090 2090  * Package Size / pcs : 14.5 x 8 x 5 cm
2091 2091  * Weight / pcs : 170g
2092 2092  
2048 +
2049 +
2050 +
2093 2093  = 9. Support =
2094 2094  
2053 +
2095 2095  * (((
2096 2096  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.
2097 2097  )))
2098 2098  * (((
2099 2099  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 +
2100 2100  )))
2101 2101  
2102 2102  = 10. Reference​​​​​ =
2103 2103  
2068 +
2104 2104  * 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]]
2105 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2106 -* [[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]]
2107 2107  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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