Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.109
edited by Xiaoling
on 2022/06/10 09:36
Change comment: There is no comment for this version
To version 90.8
edited by Xiaoling
on 2022/08/18 13:42
Change comment: There is no comment for this version

Summary

Details

Page properties
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:**
... ... @@ -19,6 +19,8 @@
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
21 +
22 +
22 22  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
... ... @@ -35,11 +35,13 @@
35 35  )))
36 36  
37 37  (((
38 -1) If users area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
39 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
39 39  )))
40 40  
41 41  (((
42 42  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
43 43  )))
44 44  
45 45  (((
... ... @@ -48,6 +48,7 @@
48 48  
49 49  )))
50 50  
54 +
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
... ... @@ -76,6 +76,8 @@
76 76  )))
77 77  
78 78  (((
83 +
84 +
79 79  **Interface for Model: LT22222-L:**
80 80  )))
81 81  
... ... @@ -99,6 +99,8 @@
99 99  )))
100 100  
101 101  (((
108 +
109 +
102 102  **LoRa Spec:**
103 103  )))
104 104  
... ... @@ -159,11 +159,14 @@
159 159  * (((
160 160  Packet engine up to 256 bytes with CRC.
161 161  
170 +
171 +
162 162  
163 163  )))
164 164  
165 165  == 1.3 Features ==
166 166  
177 +
167 167  * LoRaWAN Class A & Class C protocol
168 168  * Optional Customized LoRa Protocol
169 169  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -172,8 +172,10 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
186 +
175 175  == 1.4  Applications ==
176 176  
189 +
177 177  * Smart Buildings & Home Automation
178 178  * Logistics and Supply Chain Management
179 179  * Smart Metering
... ... @@ -181,8 +181,10 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
197 +
184 184  == 1.5 Hardware Variants ==
185 185  
200 +
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
187 187  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
188 188  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -194,10 +194,9 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
197 -
198 -
199 199  = 2. Power ON Device =
200 200  
214 +
201 201  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.
202 202  
203 203  (((
... ... @@ -212,19 +212,24 @@
212 212  
213 213  == 3.1 How it works? ==
214 214  
229 +
215 215  (((
216 -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. 
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 (% 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. 
217 217  )))
218 218  
219 219  (((
220 -In case user cant 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.
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.
221 221  )))
222 222  
223 223  
239 +
224 224  == 3.2 Example to join LoRaWAN network ==
225 225  
242 +
226 226  (((
227 227  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. 
245 +
246 +
228 228  )))
229 229  
230 230  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -232,6 +232,8 @@
232 232  
233 233  (((
234 234  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:
254 +
255 +
235 235  )))
236 236  
237 237  (((
... ... @@ -257,6 +257,7 @@
257 257  [[image:1653298023685-319.png]]
258 258  
259 259  
281 +
260 260  (((
261 261  (% 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.
262 262  )))
... ... @@ -267,19 +267,20 @@
267 267  
268 268  == 3.3 Uplink Payload ==
269 269  
292 +
270 270  There are five working modes + one interrupt mode on LT for different type application:
271 271  
272 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
273 -* **MOD2**: Double DI Counting + DO + RO
274 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
275 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
276 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
277 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
295 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
296 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
297 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
298 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
299 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
300 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
278 278  
279 279  
280 -
281 281  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
282 282  
305 +
283 283  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
284 284  
285 285  [[image:image-20220523174024-3.png]]
... ... @@ -316,7 +316,6 @@
316 316  * [1] RO1 relay channel is close and the RO1 LED is ON.
317 317  * [0] RO2 relay channel is open and RO2 LED is OFF;
318 318  
319 -
320 320  **LT22222-L:**
321 321  
322 322  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -333,7 +333,6 @@
333 333  ** DO1 LED is off in both case
334 334  
335 335  
336 -
337 337  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338 338  
339 339  
... ... @@ -370,12 +370,7 @@
370 370  (((
371 371  (((
372 372  **AT+MOD=2**
373 -)))
374 -)))
375 375  
376 -(% class="box infomessage" %)
377 -(((
378 -(((
379 379  **ATZ**
380 380  )))
381 381  )))
... ... @@ -388,59 +388,33 @@
388 388  
389 389  (((
390 390  **For LT22222-L:**
391 -)))
392 392  
393 -(% class="box infomessage" %)
394 -(((
395 -(((
396 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
397 -)))
398 -)))
399 399  
400 -(% class="box infomessage" %)
401 -(((
402 -(((
403 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
404 -)))
405 -)))
409 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -(((
410 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
411 -)))
412 -)))
411 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
413 413  
414 -(% class="box infomessage" %)
415 -(((
416 -(((
417 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418 -)))
419 -)))
413 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
420 420  
421 -(% class="box infomessage" %)
422 -(((
423 -(((
424 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
425 -)))
426 -)))
415 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
427 427  
428 -(% class="box infomessage" %)
429 -(((
430 -(((
431 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
417 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
418 +
419 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
432 432  )))
433 -)))
434 434  
435 435  
436 436  
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
426 +
439 439  **LT22222-L**: This mode the DI1 is used as a counting pin.
440 440  
441 441  [[image:image-20220523181246-5.png]]
442 442  
443 443  (((
432 +
433 +
444 444  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
445 445  )))
446 446  
... ... @@ -454,6 +454,7 @@
454 454  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
455 455  )))
456 456  
447 +
457 457  (((
458 458  **To use counting mode, please run:**
459 459  )))
... ... @@ -462,12 +462,7 @@
462 462  (((
463 463  (((
464 464  **AT+MOD=3**
465 -)))
466 -)))
467 467  
468 -(% class="box infomessage" %)
469 -(((
470 -(((
471 471  **ATZ**
472 472  )))
473 473  )))
... ... @@ -474,11 +474,10 @@
474 474  
475 475  (((
476 476  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
477 -
478 -
479 479  )))
480 480  
481 481  
466 +
482 482  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
483 483  
484 484  
... ... @@ -513,20 +513,13 @@
513 513  (((
514 514  (((
515 515  **AT+MOD=4**
516 -)))
517 -)))
518 518  
519 -(% class="box infomessage" %)
520 -(((
521 -(((
522 522  **ATZ**
523 523  )))
524 524  )))
525 525  
526 -(((
527 -
528 -)))
529 529  
507 +
530 530  (((
531 531  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
532 532  )))
... ... @@ -535,35 +535,16 @@
535 535  
536 536  
537 537  **Plus below command for AVI1 Counting:**
538 -)))
539 539  
540 -(% class="box infomessage" %)
541 -(((
542 -(((
543 -**AT+SETCNT=3,60   (set AVI Count to 60)**
544 -)))
545 -)))
546 546  
547 -(% class="box infomessage" %)
548 -(((
549 -(((
550 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
551 -)))
552 -)))
518 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
553 553  
554 -(% class="box infomessage" %)
555 -(((
556 -(((
557 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
558 -)))
559 -)))
520 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 560  
561 -(% class="box infomessage" %)
562 -(((
563 -(((
564 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
522 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
523 +
524 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
565 565  )))
566 -)))
567 567  
568 568  
569 569  
... ... @@ -600,12 +600,7 @@
600 600  (((
601 601  (((
602 602  **AT+MOD=5**
603 -)))
604 -)))
605 605  
606 -(% class="box infomessage" %)
607 -(((
608 -(((
609 609  **ATZ**
610 610  )))
611 611  )))
... ... @@ -623,8 +623,8 @@
623 623  
624 624  For example, if user has configured below commands:
625 625  
626 -* **AT+MOD=1 ** **~-~->** The normal working mode
627 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
580 +* **AT+MOD=1 ** **~-~->**  The normal working mode
581 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
628 628  
629 629  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
630 630  
... ... @@ -631,8 +631,8 @@
631 631  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
632 632  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.**
633 633  
588 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
634 634  
635 -**AT Command to set Trigger Condition**:
636 636  
637 637  (% style="color:#4f81bd" %)**Trigger base on voltage**:
638 638  
... ... @@ -668,7 +668,7 @@
668 668  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
669 669  
670 670  
671 -**Downlink Command to set Trigger Condition:**
625 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
672 672  
673 673  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
674 674  
... ... @@ -711,7 +711,6 @@
711 711  
712 712  * Each bits shows if the corresponding trigger has been configured.
713 713  
714 -
715 715  **Example:**
716 716  
717 717  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -723,7 +723,6 @@
723 723  
724 724  * Each bits shows which status has been trigger on this uplink.
725 725  
726 -
727 727  **Example:**
728 728  
729 729  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -735,7 +735,6 @@
735 735  
736 736  * Each bits shows which status has been trigger on this uplink.
737 737  
738 -
739 739  **Example:**
740 740  
741 741  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -758,9 +758,7 @@
758 758  (((
759 759  
760 760  
761 -**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/]]
762 -
763 -
712 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
764 764  )))
765 765  
766 766  
... ... @@ -767,6 +767,7 @@
767 767  
768 768  == 3.4 ​Configure LT via AT or Downlink ==
769 769  
719 +
770 770  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
771 771  
772 772  (((
... ... @@ -778,8 +778,10 @@
778 778  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
779 779  
780 780  
731 +
781 781  === 3.4.1 Common Commands ===
782 782  
734 +
783 783  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]]
784 784  
785 785  
... ... @@ -786,80 +786,72 @@
786 786  
787 787  === 3.4.2 Sensor related commands ===
788 788  
741 +
789 789  ==== 3.4.2.1 Set Transmit Interval ====
790 790  
744 +
791 791  Set device uplink interval.
792 792  
793 -* AT Command:
747 +* (% style="color:#037691" %)**AT Command:**
794 794  
795 -(% class="box infomessage" %)
796 -(((
797 797  **AT+TDC=N **
798 -)))
799 799  
751 +
800 800  **Example: **AT+TDC=30000. Means set interval to 30 seconds
801 801  
802 802  
803 -* Downlink Payload (prefix 0x01):
755 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
804 804  
805 -(% class="box infomessage" %)
806 -(((
807 807  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
808 -)))
809 809  
810 810  
811 811  
761 +
812 812  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
813 813  
764 +
814 814  Set work mode.
815 815  
816 -* AT Command:
767 +* (% style="color:#037691" %)**AT Command:**
817 817  
818 -(% class="box infomessage" %)
819 -(((
820 820  **AT+MOD=N  **
821 -)))
822 822  
771 +
823 823  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
824 824  
825 825  
826 -* Downlink Payload (prefix 0x0A):
775 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
827 827  
828 -(% class="box infomessage" %)
829 -(((
830 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
831 -)))
777 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
832 832  
833 833  
834 834  
781 +
835 835  ==== 3.4.2.3 Poll an uplink ====
836 836  
837 -* AT Command:
838 838  
785 +* (% style="color:#037691" %)**AT Command:**
786 +
839 839  There is no AT Command to poll uplink
840 840  
841 841  
842 -* Downlink Payload (prefix 0x08):
790 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
843 843  
844 -(% class="box infomessage" %)
845 -(((
846 -**0x08 FF     ~/~/ Poll an uplink,**
847 -)))
792 +**0x08 FF     **~/~/ Poll an uplink
848 848  
849 849  **Example**: 0x08FF, ask device to send an Uplink
850 850  
851 851  
852 852  
798 +
853 853  ==== 3.4.2.4 Enable Trigger Mode ====
854 854  
801 +
855 855  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
856 856  
857 -* AT Command:
804 +* (% style="color:#037691" %)**AT Command:**
858 858  
859 -(% class="box infomessage" %)
860 -(((
861 861  **AT+ADDMOD6=1 or 0**
862 -)))
863 863  
864 864  1: Enable Trigger Mode
865 865  
... ... @@ -866,43 +866,38 @@
866 866  0: Disable Trigger Mode
867 867  
868 868  
869 -* Downlink Payload (prefix 0x0A 06):
813 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
870 870  
871 -(% class="box infomessage" %)
872 -(((
873 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
874 -)))
815 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
875 875  
876 876  
877 877  
819 +
878 878  ==== 3.4.2.5 Poll trigger settings ====
879 879  
822 +
880 880  Poll trigger settings,
881 881  
882 -* AT Command:
825 +* (% style="color:#037691" %)**AT Command:**
883 883  
884 884  There is no AT Command for this feature.
885 885  
886 886  
887 -* Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
888 888  
889 -(% class="box infomessage" %)
890 -(((
891 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
892 -)))
832 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
893 893  
894 894  
895 895  
836 +
896 896  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
897 897  
839 +
898 898  Enable Disable DI1/DI2/DI2 as trigger,
899 899  
900 -* AT Command:
842 +* (% style="color:#037691" %)**AT Command:**
901 901  
902 -(% class="box infomessage" %)
903 -(((
904 904  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
905 -)))
906 906  
907 907  
908 908  **Example:**
... ... @@ -909,25 +909,21 @@
909 909  
910 910  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
911 911  
912 -* Downlink Payload (prefix 0xAA 02):
851 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
913 913  
914 -(% class="box infomessage" %)
915 -(((
916 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
917 -)))
853 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
918 918  
919 919  
920 920  
857 +
921 921  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
922 922  
860 +
923 923  Set DI1 or DI3(for LT-33222-L) trigger.
924 924  
925 -* AT Command:
863 +* (% style="color:#037691" %)**AT Command:**
926 926  
927 -(% class="box infomessage" %)
928 -(((
929 929  **AT+TRIG1=a,b**
930 -)))
931 931  
932 932  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
933 933  
... ... @@ -939,26 +939,20 @@
939 939  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
940 940  
941 941  
942 -* Downlink Payload (prefix 0x09 01 ):
877 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
878 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
943 943  
944 -(% class="box infomessage" %)
945 -(((
946 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
947 -)))
948 948  
949 -
950 -
951 951  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
952 952  
883 +
953 953  Set DI2 trigger.
954 954  
955 -* AT Command:
886 +* (% style="color:#037691" %)**AT Command:**
956 956  
957 -(% class="box infomessage" %)
958 -(((
959 959  **AT+TRIG2=a,b**
960 -)))
961 961  
890 +
962 962  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
963 963  
964 964  b : delay timing.
... ... @@ -969,93 +969,82 @@
969 969  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
970 970  
971 971  
972 -* Downlink Payload (prefix 0x09 02 ):
901 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
973 973  
974 -(% class="box infomessage" %)
975 -(((
976 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
977 -)))
903 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
978 978  
979 979  
980 980  
907 +
981 981  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
982 982  
910 +
983 983  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
984 984  
985 -* AT Command:
913 +* (% style="color:#037691" %)**AT Command**
986 986  
987 -(% class="box infomessage" %)
988 -(((
989 -**AT+ACLIM. **
990 -)))
915 +**AT+ACLIM**
991 991  
992 992  
993 -* Downlink Payload (prefix 0xAA 01 ):
918 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
994 994  
995 -(% class="box infomessage" %)
996 -(((
997 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
998 -)))
920 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
999 999  
1000 1000  
1001 1001  
924 +
1002 1002  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1003 1003  
927 +
1004 1004  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005 1005  
1006 -* AT Command:
930 +* (% style="color:#037691" %)**AT Command**
1007 1007  
1008 -(% class="box infomessage" %)
1009 -(((
1010 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1011 -)))
932 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1012 1012  
1013 1013  
1014 -* Downlink Payload (prefix 0xAA 00 ):
935 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1015 1015  
1016 -(% class="box infomessage" %)
1017 -(((
1018 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1019 -)))
937 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1020 1020  
1021 1021  
1022 1022  
941 +
1023 1023  ==== 3.4.2.11 Trigger – Set minimum interval ====
1024 1024  
1025 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1026 1026  
1027 -* AT Command:
945 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1028 1028  
1029 -(% class="box infomessage" %)
1030 -(((
1031 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1032 -)))
947 +* (% style="color:#037691" %)**AT Command**
1033 1033  
949 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1034 1034  
1035 -* Downlink Payload (prefix 0xAC ):
1036 1036  
1037 -(% class="box infomessage" %)
952 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
953 +
954 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
955 +
1038 1038  (((
1039 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
957 +
958 +
959 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1040 1040  )))
1041 1041  
1042 1042  
1043 1043  
964 +
1044 1044  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1045 1045  
1046 -* AT Command:
1047 1047  
968 +* (% style="color:#037691" %)**AT Command**
969 +
1048 1048  There is no AT Command to control Digital Output
1049 1049  
1050 1050  
1051 -* Downlink Payload (prefix 0x02):
973 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
974 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1052 1052  
1053 -(% class="box infomessage" %)
1054 1054  (((
1055 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1056 -)))
1057 -
1058 -(((
1059 1059  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1060 1060  )))
1061 1061  
... ... @@ -1075,22 +1075,20 @@
1075 1075  
1076 1076  
1077 1077  
996 +
1078 1078  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1079 1079  
1080 -* AT Command:
1081 1081  
1000 +* (% style="color:#037691" %)**AT Command**
1001 +
1082 1082  There is no AT Command to control Digital Output
1083 1083  
1084 1084  
1085 -* Downlink Payload (prefix 0xA9):
1005 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1086 1086  
1087 -(% class="box infomessage" %)
1088 -(((
1089 -(((
1090 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1091 -)))
1092 -)))
1007 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1093 1093  
1009 +
1094 1094  This is to control the digital output time of DO pin. Include four bytes:
1095 1095  
1096 1096  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1144,20 +1144,20 @@
1144 1144  
1145 1145  
1146 1146  
1063 +
1147 1147  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1148 1148  
1149 -* AT Command:
1150 1150  
1067 +* (% style="color:#037691" %)**AT Command:**
1068 +
1151 1151  There is no AT Command to control Relay Output
1152 1152  
1153 1153  
1154 -* Downlink Payload (prefix 0x03):
1072 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1155 1155  
1156 -(% class="box infomessage" %)
1157 -(((
1158 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1159 -)))
1074 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1160 1160  
1076 +
1161 1161  (((
1162 1162  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1163 1163  )))
... ... @@ -1174,20 +1174,20 @@
1174 1174  
1175 1175  
1176 1176  
1093 +
1177 1177  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1178 1178  
1179 -* AT Command:
1180 1180  
1097 +* (% style="color:#037691" %)**AT Command:**
1098 +
1181 1181  There is no AT Command to control Relay Output
1182 1182  
1183 1183  
1184 -* Downlink Payload (prefix 0x05):
1102 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1185 1185  
1186 -(% class="box infomessage" %)
1187 -(((
1188 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1189 -)))
1104 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1190 1190  
1106 +
1191 1191  This is to control the relay output time of relay. Include four bytes:
1192 1192  
1193 1193  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1201,7 +1201,7 @@
1201 1201  
1202 1202  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1203 1203  
1204 -[[image:image-20220524093831-10.png]]
1120 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1205 1205  
1206 1206  
1207 1207  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1211,53 +1211,48 @@
1211 1211  
1212 1212  **Example payload:**
1213 1213  
1214 -**~1. 05 01 11 07 D0**
1130 +**~1. 05 01 11 07 D**
1215 1215  
1216 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1132 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1217 1217  
1218 1218  **2. 05 01 10 07 D0**
1219 1219  
1220 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1136 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1221 1221  
1222 1222  **3. 05 00 01 07 D0**
1223 1223  
1224 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1140 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1225 1225  
1226 1226  **4. 05 00 00 07 D0**
1227 1227  
1228 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1144 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1229 1229  
1230 1230  
1231 1231  
1148 +
1232 1232  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1233 1233  
1151 +
1234 1234  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1235 1235  
1236 -* AT Command:
1154 +* (% style="color:#037691" %)**AT Command:**
1237 1237  
1238 -(% class="box infomessage" %)
1239 -(((
1240 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1241 -)))
1156 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1242 1242  
1243 1243  
1244 -* Downlink Payload (prefix 0xA5):
1159 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1245 1245  
1246 -(% class="box infomessage" %)
1247 -(((
1248 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1249 -)))
1161 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1250 1250  
1251 1251  
1252 1252  
1165 +
1253 1253  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1254 1254  
1255 -* AT Command:
1256 1256  
1257 -(% class="box infomessage" %)
1258 -(((
1169 +* (% style="color:#037691" %)**AT Command:**
1170 +
1259 1259  **AT+SETCNT=aa,(bb cc dd ee) **
1260 -)))
1261 1261  
1262 1262  aa: 1: Set count1,
1263 1263  
... ... @@ -1268,51 +1268,42 @@
1268 1268  Bb cc dd ee: number to be set
1269 1269  
1270 1270  
1271 -* Downlink Payload (prefix 0xA8):
1182 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1272 1272  
1273 -(% class="box infomessage" %)
1274 -(((
1275 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1276 -)))
1184 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1277 1277  
1278 1278  
1279 1279  
1188 +
1280 1280  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1281 1281  
1191 +
1282 1282  Clear counting for counting mode
1283 1283  
1284 -* AT Command:
1194 +* (% style="color:#037691" %)**AT Command:**
1285 1285  
1286 -(% class="box infomessage" %)
1287 -(((
1288 -**AT+CLRCOUNT ~/~/ clear all counting**
1289 -)))
1196 +**AT+CLRCOUNT ** ~/~/ clear all counting
1290 1290  
1291 -* Downlink Payload (prefix 0xA6):
1292 1292  
1293 -(% class="box infomessage" %)
1294 -(((
1295 -**0x A6 01     ~/~/ clear all counting,**
1296 -)))
1199 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1297 1297  
1201 +**0x A6 01    ** ~/~/ clear all counting
1298 1298  
1299 1299  
1204 +
1205 +
1300 1300  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1301 1301  
1302 -* AT Command:
1303 1303  
1304 -(% class="box infomessage" %)
1305 -(((
1306 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1307 -)))
1209 +* (% style="color:#037691" %)**AT Command:**
1308 1308  
1309 -* Downlink Payload (prefix 0xA7):
1211 +**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 1310  
1311 -(% class="box infomessage" %)
1312 -(((
1313 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1314 -)))
1315 1315  
1214 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1215 +
1216 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1217 +
1316 1316  (((
1317 1317  range: aa bb cc:0 to 16777215,  (unit:second)
1318 1318  
... ... @@ -1320,8 +1320,10 @@
1320 1320  )))
1321 1321  
1322 1322  
1225 +
1323 1323  == 3.5 Integrate with Mydevice ==
1324 1324  
1228 +
1325 1325  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:
1326 1326  
1327 1327  (((
... ... @@ -1330,14 +1330,15 @@
1330 1330  
1331 1331  (((
1332 1332  (% 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:
1237 +
1238 +
1333 1333  )))
1334 1334  
1335 -[[image:1653356737703-362.png||height="232" width="732"]]
1241 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1336 1336  
1337 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1338 1338  
1339 1339  
1340 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1245 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1341 1341  
1342 1342  
1343 1343  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1370,8 +1370,10 @@
1370 1370  
1371 1371  == 3.6 Interface Detail ==
1372 1372  
1278 +
1373 1373  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1374 1374  
1281 +
1375 1375  Support NPN Type sensor
1376 1376  
1377 1377  [[image:1653356991268-289.png]]
... ... @@ -1380,6 +1380,7 @@
1380 1380  
1381 1381  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1382 1382  
1290 +
1383 1383  (((
1384 1384  The DI port of LT-22222-L can support NPN or PNP output sensor.
1385 1385  )))
... ... @@ -1386,7 +1386,9 @@
1386 1386  
1387 1387  (((
1388 1388  (((
1389 -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
1297 +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.
1298 +
1299 +
1390 1390  )))
1391 1391  )))
1392 1392  
... ... @@ -1431,6 +1431,8 @@
1431 1431  
1432 1432  (((
1433 1433  
1344 +
1345 +
1434 1434  )))
1435 1435  
1436 1436  (((
... ... @@ -1462,6 +1462,8 @@
1462 1462  
1463 1463  (((
1464 1464  
1377 +
1378 +
1465 1465  )))
1466 1466  
1467 1467  (((
... ... @@ -1495,6 +1495,7 @@
1495 1495  
1496 1496  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1497 1497  
1412 +
1498 1498  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1499 1499  
1500 1500  [[image:1653357531600-905.png]]
... ... @@ -1503,6 +1503,7 @@
1503 1503  
1504 1504  === 3.6.4 Analog Input Interface ===
1505 1505  
1421 +
1506 1506  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:
1507 1507  
1508 1508  
... ... @@ -1534,6 +1534,7 @@
1534 1534  
1535 1535  === 3.6.5 Relay Output ===
1536 1536  
1453 +
1537 1537  (((
1538 1538  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:
1539 1539  )))
... ... @@ -1546,13 +1546,17 @@
1546 1546  
1547 1547  == 3.7 LEDs Indicators ==
1548 1548  
1466 +
1549 1549  [[image:image-20220524100748-11.png]]
1550 1550  
1551 1551  
1470 +
1552 1552  = 4. Use AT Command =
1553 1553  
1473 +
1554 1554  == 4.1 Access AT Command ==
1555 1555  
1476 +
1556 1556  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.
1557 1557  
1558 1558  [[image:1653358238933-385.png]]
... ... @@ -1751,8 +1751,6 @@
1751 1751  
1752 1752  (((
1753 1753  AT+CFG: Print all settings
1754 -
1755 -
1756 1756  )))
1757 1757  
1758 1758  
... ... @@ -1759,6 +1759,7 @@
1759 1759  
1760 1760  == 4.2 Common AT Command Sequence ==
1761 1761  
1681 +
1762 1762  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1763 1763  
1764 1764  (((
... ... @@ -1798,8 +1798,6 @@
1798 1798  
1799 1799  (((
1800 1800  (% style="background-color:#dcdcdc" %)ATZ
1801 -
1802 -
1803 1803  )))
1804 1804  
1805 1805  
... ... @@ -1884,13 +1884,16 @@
1884 1884  
1885 1885  === 4.2.3 Change to Class A ===
1886 1886  
1805 +
1887 1887  If sensor JOINED
1888 1888  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1889 1889  ATZ
1890 1890  
1891 1891  
1811 +
1892 1892  = 5. FAQ =
1893 1893  
1814 +
1894 1894  == 5.1 How to upgrade the image? ==
1895 1895  
1896 1896  
... ... @@ -1912,7 +1912,9 @@
1912 1912  
1913 1913  
1914 1914  (% style="color:blue" %)**For LT-22222-L**(%%):
1915 -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.
1836 +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.
1837 +
1838 +
1916 1916  )))
1917 1917  
1918 1918   [[image:image-20220524103407-12.png]]
... ... @@ -1924,6 +1924,7 @@
1924 1924  
1925 1925  (% 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:
1926 1926  
1850 +
1927 1927  [[image:1653360054704-518.png||height="186" width="745"]]
1928 1928  
1929 1929  
... ... @@ -1932,6 +1932,8 @@
1932 1932  
1933 1933  
1934 1934  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1859 +
1860 +
1935 1935  )))
1936 1936  )))
1937 1937  
... ... @@ -1942,7 +1942,10 @@
1942 1942  (((
1943 1943  
1944 1944  
1871 +
1945 1945  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1873 +
1874 +
1946 1946  )))
1947 1947  
1948 1948  (((
... ... @@ -1960,7 +1960,7 @@
1960 1960  )))
1961 1961  
1962 1962  (((
1963 -(% 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.
1892 +(% 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.
1964 1964  )))
1965 1965  
1966 1966  (((
... ... @@ -1968,12 +1968,12 @@
1968 1968  )))
1969 1969  
1970 1970  (((
1971 -(% 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.
1900 +(% 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.**
1972 1972  )))
1973 1973  
1974 1974  
1975 1975  (((
1976 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1905 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1977 1977  )))
1978 1978  
1979 1979  (((
... ... @@ -1997,26 +1997,46 @@
1997 1997  [[image:1653360498588-932.png||height="485" width="726"]]
1998 1998  
1999 1999  
1929 +
2000 2000  == 5.4 Can I see counting event in Serial? ==
2001 2001  
1932 +
2002 2002  (((
2003 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesnt support AT+DEBUG. User can update to latest firmware first.
1934 +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.
2004 2004  
2005 2005  
1937 +
2006 2006  == 5.5 Can i use point to point communication for LT-22222-L? ==
2007 2007  
1940 +
2008 2008  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1942 +
1943 +
1944 +
2009 2009  )))
2010 2010  
2011 2011  (((
2012 -
1948 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2013 2013  
1950 +
1951 +If the device is not shut down, but directly powered off.
1952 +
1953 +It will default that this is a power-off state.
1954 +
1955 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
1956 +
1957 +After restart, the status before power failure will be read from flash.
1958 +
1959 +
1960 +
2014 2014  = 6. Trouble Shooting =
2015 2015  )))
2016 2016  
2017 2017  (((
2018 2018  (((
2019 -== 6.1 Downlink doesn’t work, how to solve it? ==
1966 +== 6.1 Downlink doesn't work, how to solve it? ==
1967 +
1968 +
2020 2020  )))
2021 2021  )))
2022 2022  
... ... @@ -2027,7 +2027,10 @@
2027 2027  (((
2028 2028  
2029 2029  
1979 +
2030 2030  == 6.2 Have trouble to upload image. ==
1981 +
1982 +
2031 2031  )))
2032 2032  
2033 2033  (((
... ... @@ -2037,7 +2037,10 @@
2037 2037  (((
2038 2038  
2039 2039  
2040 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1992 +
1993 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1994 +
1995 +
2041 2041  )))
2042 2042  
2043 2043  (((
... ... @@ -2051,19 +2051,20 @@
2051 2051  
2052 2052  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2053 2053  
2054 -
2055 2055  (% style="color:#4f81bd" %)**XXX:**
2056 2056  
2057 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2058 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2059 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2060 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2061 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2062 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2063 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2064 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2065 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2011 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2012 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2013 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2014 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2015 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2016 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2017 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2018 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2019 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2066 2066  
2021 +
2022 +
2067 2067  = 8. Packing Info =
2068 2068  
2069 2069  
... ... @@ -2081,18 +2081,28 @@
2081 2081  * Package Size / pcs : 14.5 x 8 x 5 cm
2082 2082  * Weight / pcs : 170g
2083 2083  
2040 +
2041 +
2084 2084  = 9. Support =
2085 2085  
2044 +
2086 2086  * (((
2087 2087  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.
2088 2088  )))
2089 2089  * (((
2090 2090  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]]
2050 +
2051 +
2052 +
2053 +
2054 +
2091 2091  )))
2092 2092  
2093 2093  = 10. Reference​​​​​ =
2094 2094  
2059 +
2095 2095  * 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]]
2096 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2097 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2061 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2098 2098  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2063 +
2064 +
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