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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.19
edited by Xiaoling
on 2022/06/20 11:53
Change comment: There is no comment for this version
To version 97.2
edited by Xiaoling
on 2022/09/12 09:21
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:**
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1.Introduction =
18 18  
18 +
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -37,11 +37,13 @@
37 37  )))
38 38  
39 39  (((
40 -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.
40 +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.
41 41  )))
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.
45 +
46 +
45 45  )))
46 46  
47 47  (((
... ... @@ -56,7 +56,7 @@
56 56  (((
57 57  
58 58  
59 -**Hardware System:**
61 +(% style="color:#037691" %)**Hardware System:**
60 60  )))
61 61  
62 62  * (((
... ... @@ -81,7 +81,7 @@
81 81  (((
82 82  
83 83  
84 -**Interface for Model: LT22222-L:**
86 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 85  )))
86 86  
87 87  * (((
... ... @@ -106,7 +106,7 @@
106 106  (((
107 107  
108 108  
109 -**LoRa Spec:**
111 +(% style="color:#037691" %)**LoRa Spec:**
110 110  )))
111 111  
112 112  * (((
... ... @@ -173,9 +173,10 @@
173 173  
174 174  == 1.3 Features ==
175 175  
178 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
181 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
179 179  * AT Commands to change parameters
180 180  * Remote configure parameters via LoRa Downlink
181 181  * Firmware upgradable via program port
... ... @@ -183,8 +183,10 @@
183 183  
184 184  
185 185  
189 +
186 186  == 1.4  Applications ==
187 187  
192 +
188 188  * Smart Buildings & Home Automation
189 189  * Logistics and Supply Chain Management
190 190  * Smart Metering
... ... @@ -194,8 +194,10 @@
194 194  
195 195  
196 196  
202 +
197 197  == 1.5 Hardware Variants ==
198 198  
205 +
199 199  (% border="1" style="background-color:#f7faff; width:500px" %)
200 200  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
201 201  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -208,12 +208,17 @@
208 208  )))
209 209  
210 210  
218 +
219 +
211 211  = 2. Power ON Device =
212 212  
222 +
213 213  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.
214 214  
215 215  (((
216 216  PWR will on when device is properly powered.
227 +
228 +
217 217  )))
218 218  
219 219  [[image:1653297104069-180.png]]
... ... @@ -222,21 +222,27 @@
222 222  
223 223  = 3. Operation Mode =
224 224  
237 +
225 225  == 3.1 How it works? ==
226 226  
240 +
227 227  (((
228 -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. 
242 +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. 
229 229  )))
230 230  
231 231  (((
232 -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.
246 +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.
233 233  )))
234 234  
235 235  
250 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
253 +
238 238  (((
239 239  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. 
256 +
257 +
240 240  )))
241 241  
242 242  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -244,6 +244,8 @@
244 244  
245 245  (((
246 246  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:
265 +
266 +
247 247  )))
248 248  
249 249  (((
... ... @@ -269,6 +269,7 @@
269 269  [[image:1653298023685-319.png]]
270 270  
271 271  
292 +
272 272  (((
273 273  (% 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.
274 274  )))
... ... @@ -279,19 +279,22 @@
279 279  
280 280  == 3.3 Uplink Payload ==
281 281  
303 +
282 282  There are five working modes + one interrupt mode on LT for different type application:
283 283  
284 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285 -* **MOD2**: Double DI Counting + DO + RO
286 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
306 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
307 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
308 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
309 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
310 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
311 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 291  
292 292  
315 +
293 293  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
294 294  
318 +
295 295  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
296 296  
297 297  [[image:image-20220523174024-3.png]]
... ... @@ -308,8 +308,10 @@
308 308  * DI is for digital input. DIx=1: high or float, DIx=0: low.
309 309  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
310 310  
311 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
312 312  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
313 313  For example if payload is: [[image:image-20220523175847-2.png]]
314 314  
315 315  
... ... @@ -328,6 +328,8 @@
328 328  * [1] RO1 relay channel is close and the RO1 LED is ON.
329 329  * [0] RO2 relay channel is open and RO2 LED is OFF;
330 330  
357 +
358 +
331 331  **LT22222-L:**
332 332  
333 333  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -345,6 +345,8 @@
345 345  
346 346  
347 347  
376 +
377 +
348 348  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
349 349  
350 350  
... ... @@ -368,7 +368,7 @@
368 368  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
369 369  
370 370  (((
371 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
372 372  )))
373 373  
374 374  (((
... ... @@ -390,38 +390,39 @@
390 390  
391 391  
392 392  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
393 393  )))
394 394  
395 395  (((
396 396  **For LT22222-L:**
397 -)))
398 398  
399 -(% class="box infomessage" %)
400 -(((
401 -(((
402 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
403 403  
404 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
431 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
405 405  
406 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
433 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
407 407  
408 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
435 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
409 409  
410 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
437 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
411 411  
412 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
439 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
440 +
441 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
413 413  )))
414 -)))
415 415  
416 416  
417 417  
418 418  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
419 419  
448 +
420 420  **LT22222-L**: This mode the DI1 is used as a counting pin.
421 421  
422 422  [[image:image-20220523181246-5.png]]
423 423  
424 424  (((
454 +
455 +
425 425  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
426 426  )))
427 427  
... ... @@ -432,9 +432,10 @@
432 432  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
433 433  
434 434  (((
435 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
436 436  )))
437 437  
469 +
438 438  (((
439 439  **To use counting mode, please run:**
440 440  )))
... ... @@ -475,7 +475,7 @@
475 475  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
476 476  
477 477  (((
478 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
510 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
479 479  )))
480 480  
481 481  (((
... ... @@ -503,22 +503,19 @@
503 503  
504 504  
505 505  **Plus below command for AVI1 Counting:**
506 -)))
507 507  
508 -(% class="box infomessage" %)
509 -(((
510 -(((
511 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
512 512  
513 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
540 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
514 514  
515 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
542 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
516 516  
517 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
544 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
545 +
546 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
518 518  )))
519 -)))
520 520  
521 521  
550 +
522 522  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
523 523  
524 524  
... ... @@ -539,7 +539,7 @@
539 539  )))
540 540  
541 541  (((
542 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
571 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
543 543  )))
544 544  
545 545  (((
... ... @@ -570,20 +570,27 @@
570 570  
571 571  For example, if user has configured below commands:
572 572  
573 -* **AT+MOD=1 ** **~-~->** The normal working mode
574 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
602 +* **AT+MOD=1 ** **~-~->**  The normal working mode
603 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
575 575  
605 +
606 +
576 576  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
577 577  
578 578  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
579 579  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.**
580 580  
612 +
613 +
614 +
581 581  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
582 582  
617 +
583 583  (% style="color:#4f81bd" %)**Trigger base on voltage**:
584 584  
585 585  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
586 586  
622 +
587 587  **Example:**
588 588  
589 589  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -596,6 +596,7 @@
596 596  
597 597  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
598 598  
635 +
599 599  **Example:**
600 600  
601 601  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -614,6 +614,7 @@
614 614  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
615 615  
616 616  
654 +
617 617  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
618 618  
619 619  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -657,11 +657,14 @@
657 657  
658 658  * Each bits shows if the corresponding trigger has been configured.
659 659  
698 +
699 +
660 660  **Example:**
661 661  
662 662  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
663 663  
664 664  
705 +
665 665  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
666 666  
667 667  [[image:image-20220524090249-3.png]]
... ... @@ -668,11 +668,14 @@
668 668  
669 669  * Each bits shows which status has been trigger on this uplink.
670 670  
712 +
713 +
671 671  **Example:**
672 672  
673 673  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
674 674  
675 675  
719 +
676 676  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
677 677  
678 678  [[image:image-20220524090456-4.png]]
... ... @@ -679,6 +679,8 @@
679 679  
680 680  * Each bits shows which status has been trigger on this uplink.
681 681  
726 +
727 +
682 682  **Example:**
683 683  
684 684  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -686,6 +686,7 @@
686 686  00000101: Means both DI1 and DI2 trigger are enabled.
687 687  
688 688  
735 +
689 689  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
690 690  
691 691  Downlink command to poll MOD6 status:
... ... @@ -696,19 +696,20 @@
696 696  
697 697  
698 698  
746 +
699 699  === 3.3.7 Payload Decoder ===
700 700  
701 701  (((
702 702  
703 703  
704 -**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/]]
705 -
706 -
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
707 707  )))
708 708  
709 709  
756 +
710 710  == 3.4 ​Configure LT via AT or Downlink ==
711 711  
759 +
712 712  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
713 713  
714 714  (((
... ... @@ -721,8 +721,10 @@
721 721  
722 722  
723 723  
772 +
724 724  === 3.4.1 Common Commands ===
725 725  
775 +
726 726  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]]
727 727  
728 728  
... ... @@ -729,80 +729,73 @@
729 729  
730 730  === 3.4.2 Sensor related commands ===
731 731  
782 +
732 732  ==== 3.4.2.1 Set Transmit Interval ====
733 733  
785 +
734 734  Set device uplink interval.
735 735  
736 736  * (% style="color:#037691" %)**AT Command:**
737 737  
738 -(% class="box infomessage" %)
739 -(((
740 740  **AT+TDC=N **
741 -)))
742 742  
792 +
743 743  **Example: **AT+TDC=30000. Means set interval to 30 seconds
744 744  
745 745  
746 746  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
747 747  
748 -(% class="box infomessage" %)
749 -(((
750 750  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 -)))
752 752  
753 753  
754 754  
802 +
755 755  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756 756  
805 +
757 757  Set work mode.
758 758  
759 759  * (% style="color:#037691" %)**AT Command:**
760 760  
761 -(% class="box infomessage" %)
762 -(((
763 763  **AT+MOD=N  **
764 -)))
765 765  
812 +
766 766  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
767 767  
768 768  
769 769  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
770 770  
771 -(% class="box infomessage" %)
772 -(((
773 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
774 -)))
818 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
775 775  
776 776  
777 777  
822 +
778 778  ==== 3.4.2.3 Poll an uplink ====
779 779  
780 -* (% style="color:#037691" %)AT Command:
781 781  
826 +* (% style="color:#037691" %)**AT Command:**
827 +
782 782  There is no AT Command to poll uplink
783 783  
784 784  
785 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
831 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -**0x08 FF     ~/~/ Poll an uplink,**
790 -)))
833 +**0x08 FF     **~/~/ Poll an uplink
791 791  
835 +
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
795 795  
840 +
796 796  ==== 3.4.2.4 Enable Trigger Mode ====
797 797  
843 +
798 798  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
799 799  
800 -* (% style="color:#037691" %)AT Command:
846 +* (% style="color:#037691" %)**AT Command:**
801 801  
802 -(% class="box infomessage" %)
803 -(((
804 804  **AT+ADDMOD6=1 or 0**
805 -)))
806 806  
807 807  1: Enable Trigger Mode
808 808  
... ... @@ -809,43 +809,38 @@
809 809  0: Disable Trigger Mode
810 810  
811 811  
812 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
855 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
813 813  
814 -(% class="box infomessage" %)
815 -(((
816 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 -)))
857 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
818 818  
819 819  
820 820  
861 +
821 821  ==== 3.4.2.5 Poll trigger settings ====
822 822  
864 +
823 823  Poll trigger settings,
824 824  
825 -* (% style="color:#037691" %)AT Command:
867 +* (% style="color:#037691" %)**AT Command:**
826 826  
827 827  There is no AT Command for this feature.
828 828  
829 829  
830 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
872 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
831 831  
832 -(% class="box infomessage" %)
833 -(((
834 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 -)))
874 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
836 836  
837 837  
838 838  
878 +
839 839  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
840 840  
881 +
841 841  Enable Disable DI1/DI2/DI2 as trigger,
842 842  
843 -* (% style="color:#037691" %)AT Command:
884 +* (% style="color:#037691" %)**AT Command:**
844 844  
845 -(% class="box infomessage" %)
846 -(((
847 847  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 -)))
849 849  
850 850  
851 851  **Example:**
... ... @@ -852,20 +852,19 @@
852 852  
853 853  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
854 854  
855 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
893 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
856 856  
857 -(% class="box infomessage" %)
858 -(((
859 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
860 -)))
895 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
861 861  
862 862  
863 863  
899 +
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
902 +
866 866  Set DI1 or DI3(for LT-33222-L) trigger.
867 867  
868 -* (% style="color:#037691" %)AT Command:
905 +* (% style="color:#037691" %)**AT Command:**
869 869  
870 870  **AT+TRIG1=a,b**
871 871  
... ... @@ -880,7 +880,7 @@
880 880  
881 881  
882 882  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
883 -* **0x09 01 aa bb cc  ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
920 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
884 884  
885 885  
886 886  
... ... @@ -887,6 +887,7 @@
887 887  
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
927 +
890 890  Set DI2 trigger.
891 891  
892 892  * (% style="color:#037691" %)**AT Command:**
... ... @@ -906,7 +906,7 @@
906 906  
907 907  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
908 908  
909 -**0x09 02 aa bb cc  **~/~/ same as AT+TRIG1=aa,0x(bb cc)
947 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
910 910  
911 911  
912 912  
... ... @@ -913,6 +913,7 @@
913 913  
914 914  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
915 915  
954 +
916 916  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
917 917  
918 918  * (% style="color:#037691" %)**AT Command**
... ... @@ -922,7 +922,7 @@
922 922  
923 923  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
924 924  
925 -**0x AA 01 aa bb cc dd ee ff gg hh  ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
964 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
926 926  
927 927  
928 928  
... ... @@ -929,6 +929,7 @@
929 929  
930 930  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
931 931  
971 +
932 932  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
933 933  
934 934  * (% style="color:#037691" %)**AT Command**
... ... @@ -938,7 +938,7 @@
938 938  
939 939  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
940 940  
941 -**0x AA 00 aa bb cc dd ee ff gg hh  ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
981 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942 942  
943 943  
944 944  
... ... @@ -945,22 +945,30 @@
945 945  
946 946  ==== 3.4.2.11 Trigger – Set minimum interval ====
947 947  
948 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
949 949  
989 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
990 +
950 950  * (% style="color:#037691" %)**AT Command**
951 951  
952 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
993 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
953 953  
954 954  
955 955  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
956 956  
957 -**0x AC aa bb  ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
998 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
958 958  
1000 +(((
1001 +
959 959  
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1004 +)))
960 960  
961 961  
1007 +
1008 +
962 962  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
963 963  
1011 +
964 964  * (% style="color:#037691" %)**AT Command**
965 965  
966 966  There is no AT Command to control Digital Output
... ... @@ -969,7 +969,6 @@
969 969  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
970 970  * **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
971 971  
972 -
973 973  (((
974 974  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
975 975  )))
... ... @@ -981,11 +981,11 @@
981 981  [[image:image-20220524092754-5.png]]
982 982  
983 983  (((
984 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1031 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
985 985  )))
986 986  
987 987  (((
988 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1035 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
989 989  )))
990 990  
991 991  
... ... @@ -993,6 +993,7 @@
993 993  
994 994  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
995 995  
1043 +
996 996  * (% style="color:#037691" %)**AT Command**
997 997  
998 998  There is no AT Command to control Digital Output
... ... @@ -1029,11 +1029,11 @@
1029 1029  [[image:image-20220524093351-8.png]]
1030 1030  
1031 1031  
1032 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1033 1033  
1034 1034   Latching time. Unit: ms
1035 1035  
1036 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1037 1037  
1038 1038  
1039 1039  **Example payload:**
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1061 1061  
1110 +
1062 1062  * (% style="color:#037691" %)**AT Command:**
1063 1063  
1064 1064  There is no AT Command to control Relay Output
... ... @@ -1081,7 +1081,7 @@
1081 1081  [[image:image-20220524093724-9.png]]
1082 1082  )))
1083 1083  
1084 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1085 1085  
1086 1086  
1087 1087  
... ... @@ -1088,6 +1088,7 @@
1088 1088  
1089 1089  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1090 1090  
1140 +
1091 1091  * (% style="color:#037691" %)**AT Command:**
1092 1092  
1093 1093  There is no AT Command to control Relay Output
... ... @@ -1111,42 +1111,42 @@
1111 1111  
1112 1112  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1113 1113  
1114 -[[image:image-20220524093831-10.png]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1115 1115  
1116 1116  
1117 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1167 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1118 1118  
1119 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1120 1120  
1121 1121  
1122 1122  **Example payload:**
1123 1123  
1124 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1125 1125  
1126 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1176 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1127 1127  
1128 1128  **2. 05 01 10 07 D0**
1129 1129  
1130 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1180 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1131 1131  
1132 1132  **3. 05 00 01 07 D0**
1133 1133  
1134 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1184 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1135 1135  
1136 1136  **4. 05 00 00 07 D0**
1137 1137  
1138 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1188 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1139 1139  
1140 1140  
1141 1141  
1142 -
1143 1143  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1144 1144  
1194 +
1145 1145  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1146 1146  
1147 1147  * (% style="color:#037691" %)**AT Command:**
1148 1148  
1149 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1150 1150  
1151 1151  
1152 1152  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1158,9 +1158,10 @@
1158 1158  
1159 1159  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1160 1160  
1211 +
1161 1161  * (% style="color:#037691" %)**AT Command:**
1162 1162  
1163 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1214 +**AT+SETCNT=aa,(bb cc dd ee) **
1164 1164  
1165 1165  aa: 1: Set count1,
1166 1166  
... ... @@ -1180,11 +1180,12 @@
1180 1180  
1181 1181  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1182 1182  
1234 +
1183 1183  Clear counting for counting mode
1184 1184  
1185 1185  * (% style="color:#037691" %)**AT Command:**
1186 1186  
1187 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1239 +**AT+CLRCOUNT ** ~/~/ clear all counting
1188 1188  
1189 1189  
1190 1190  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1196,6 +1196,7 @@
1196 1196  
1197 1197  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1198 1198  
1251 +
1199 1199  * (% style="color:#037691" %)**AT Command:**
1200 1200  
1201 1201  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1208,13 +1208,124 @@
1208 1208  (((
1209 1209  range: aa bb cc:0 to 16777215,  (unit:second)
1210 1210  
1264 +
1265 +
1211 1211  
1212 1212  )))
1213 1213  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1214 1214  
1215 1215  
1272 +* (% style="color:#037691" %)**AT Command:**
1273 +
1274 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1275 +
1276 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1277 +
1278 +
1279 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1280 +
1281 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1282 +
1283 +(((
1284 +
1285 +
1286 +
1287 +
1288 +==== 3.4.2.21 Encrypted payload ====
1289 +
1290 +
1291 +* (% style="color:#037691" %)**AT Command:**
1292 +
1293 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1294 +
1295 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1296 +
1297 +
1298 +
1299 +
1300 +==== 3.4.2.22 Get sensor value ====
1301 +
1302 +
1303 +* (% style="color:#037691" %)**AT Command:**
1304 +
1305 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1306 +
1307 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1308 +
1309 +
1310 +
1311 +
1312 +==== 3.4.2.23 Resets the downlink packet count ====
1313 +
1314 +
1315 +* (% style="color:#037691" %)**AT Command:**
1316 +
1317 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1318 +
1319 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1320 +
1321 +
1322 +
1323 +
1324 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1325 +
1326 +
1327 +* (% style="color:#037691" %)**AT Command:**
1328 +
1329 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1330 +
1331 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1332 +
1333 +
1334 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1335 +
1336 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1337 +
1338 +
1339 +
1340 +
1341 +==== 3.4.2.25 Copy downlink to uplink ====
1342 +
1343 +
1344 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1345 +
1346 + **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1347 +
1348 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1349 +
1350 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1351 +
1352 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 +
1354 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1355 +
1356 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1357 +
1358 +
1359 +
1360 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1361 +
1362 +
1363 +* (((
1364 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 +
1366 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +
1368 +
1369 +)))
1370 +
1371 +**Example：**
1372 +
1373 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1374 +
1375 +
1376 +
1377 +)))
1378 +
1216 1216  == 3.5 Integrate with Mydevice ==
1217 1217  
1381 +
1218 1218  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:
1219 1219  
1220 1220  (((
... ... @@ -1223,14 +1223,15 @@
1223 1223  
1224 1224  (((
1225 1225  (% 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:
1390 +
1391 +
1226 1226  )))
1227 1227  
1228 -[[image:1653356737703-362.png||height="232" width="732"]]
1394 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1229 1229  
1230 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1231 1231  
1232 1232  
1233 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1398 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1234 1234  
1235 1235  
1236 1236  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1263,8 +1263,10 @@
1263 1263  
1264 1264  == 3.6 Interface Detail ==
1265 1265  
1431 +
1266 1266  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1267 1267  
1434 +
1268 1268  Support NPN Type sensor
1269 1269  
1270 1270  [[image:1653356991268-289.png]]
... ... @@ -1273,6 +1273,7 @@
1273 1273  
1274 1274  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1275 1275  
1443 +
1276 1276  (((
1277 1277  The DI port of LT-22222-L can support NPN or PNP output sensor.
1278 1278  )))
... ... @@ -1279,7 +1279,9 @@
1279 1279  
1280 1280  (((
1281 1281  (((
1282 -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
1450 +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.
1451 +
1452 +
1283 1283  )))
1284 1284  )))
1285 1285  
... ... @@ -1304,10 +1304,10 @@
1304 1304  )))
1305 1305  
1306 1306  * (((
1307 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1308 1308  )))
1309 1309  * (((
1310 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1311 1311  )))
1312 1312  
1313 1313  (((
... ... @@ -1315,15 +1315,17 @@
1315 1315  )))
1316 1316  
1317 1317  (((
1318 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1319 1319  )))
1320 1320  
1321 1321  (((
1322 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1492 +If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1323 1323  )))
1324 1324  
1325 1325  (((
1326 1326  
1497 +
1498 +
1327 1327  )))
1328 1328  
1329 1329  (((
... ... @@ -1335,10 +1335,10 @@
1335 1335  )))
1336 1336  
1337 1337  * (((
1338 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1339 1339  )))
1340 1340  * (((
1341 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1342 1342  )))
1343 1343  
1344 1344  (((
... ... @@ -1355,6 +1355,8 @@
1355 1355  
1356 1356  (((
1357 1357  
1530 +
1531 +
1358 1358  )))
1359 1359  
1360 1360  (((
... ... @@ -1366,10 +1366,10 @@
1366 1366  )))
1367 1367  
1368 1368  * (((
1369 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1370 1370  )))
1371 1371  * (((
1372 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1373 1373  )))
1374 1374  
1375 1375  (((
... ... @@ -1388,6 +1388,7 @@
1388 1388  
1389 1389  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1390 1390  
1565 +
1391 1391  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1392 1392  
1393 1393  [[image:1653357531600-905.png]]
... ... @@ -1396,6 +1396,7 @@
1396 1396  
1397 1397  === 3.6.4 Analog Input Interface ===
1398 1398  
1574 +
1399 1399  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:
1400 1400  
1401 1401  
... ... @@ -1427,6 +1427,7 @@
1427 1427  
1428 1428  === 3.6.5 Relay Output ===
1429 1429  
1606 +
1430 1430  (((
1431 1431  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:
1432 1432  )))
... ... @@ -1433,6 +1433,7 @@
1433 1433  
1434 1434  [[image:image-20220524100215-9.png]]
1435 1435  
1613 +
1436 1436  [[image:image-20220524100215-10.png||height="382" width="723"]]
1437 1437  
1438 1438  
... ... @@ -1439,13 +1439,17 @@
1439 1439  
1440 1440  == 3.7 LEDs Indicators ==
1441 1441  
1620 +
1442 1442  [[image:image-20220524100748-11.png]]
1443 1443  
1444 1444  
1624 +
1445 1445  = 4. Use AT Command =
1446 1446  
1627 +
1447 1447  == 4.1 Access AT Command ==
1448 1448  
1630 +
1449 1449  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.
1450 1450  
1451 1451  [[image:1653358238933-385.png]]
... ... @@ -1644,8 +1644,6 @@
1644 1644  
1645 1645  (((
1646 1646  AT+CFG: Print all settings
1647 -
1648 -
1649 1649  )))
1650 1650  
1651 1651  
... ... @@ -1652,6 +1652,7 @@
1652 1652  
1653 1653  == 4.2 Common AT Command Sequence ==
1654 1654  
1835 +
1655 1655  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1656 1656  
1657 1657  (((
... ... @@ -1691,8 +1691,6 @@
1691 1691  
1692 1692  (((
1693 1693  (% style="background-color:#dcdcdc" %)ATZ
1694 -
1695 -
1696 1696  )))
1697 1697  
1698 1698  
... ... @@ -1764,6 +1764,8 @@
1764 1764  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1765 1765  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1766 1766  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1946 +
1947 +
1767 1767  )))
1768 1768  
1769 1769  (((
... ... @@ -1777,13 +1777,16 @@
1777 1777  
1778 1778  === 4.2.3 Change to Class A ===
1779 1779  
1961 +
1780 1780  If sensor JOINED
1781 1781  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1782 1782  ATZ
1783 1783  
1784 1784  
1967 +
1785 1785  = 5. FAQ =
1786 1786  
1970 +
1787 1787  == 5.1 How to upgrade the image? ==
1788 1788  
1789 1789  
... ... @@ -1800,12 +1800,14 @@
1800 1800  
1801 1801  (((
1802 1802  (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1803 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1987 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1804 1804  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1805 1805  
1806 1806  
1807 1807  (% style="color:blue" %)**For LT-22222-L**(%%):
1808 -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.
1992 +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.
1993 +
1994 +
1809 1809  )))
1810 1810  
1811 1811   [[image:image-20220524103407-12.png]]
... ... @@ -1817,6 +1817,7 @@
1817 1817  
1818 1818  (% 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:
1819 1819  
2006 +
1820 1820  [[image:1653360054704-518.png||height="186" width="745"]]
1821 1821  
1822 1822  
... ... @@ -1825,6 +1825,8 @@
1825 1825  
1826 1826  
1827 1827  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2015 +
2016 +
1828 1828  )))
1829 1829  )))
1830 1830  
... ... @@ -1835,7 +1835,10 @@
1835 1835  (((
1836 1836  
1837 1837  
2027 +
1838 1838  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029 +
2030 +
1839 1839  )))
1840 1840  
1841 1841  (((
... ... @@ -1848,25 +1848,33 @@
1848 1848  (((
1849 1849  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1850 1850  
2043 +
1851 1851  
1852 1852  )))
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% 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.
2049 +(% 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.
2050 +
2051 +
1857 1857  )))
1858 1858  
1859 1859  (((
1860 1860  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% 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.
2061 +(% 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.**
1865 1865  )))
1866 1866  
1867 1867  
2065 +
1868 1868  (((
1869 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2067 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 +
2069 +
1870 1870  )))
1871 1871  
1872 1872  (((
... ... @@ -1890,20 +1890,28 @@
1890 1890  [[image:1653360498588-932.png||height="485" width="726"]]
1891 1891  
1892 1892  
2093 +
1893 1893  == 5.4 Can I see counting event in Serial? ==
1894 1894  
2096 +
1895 1895  (((
1896 -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.
2098 +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.
1897 1897  
1898 1898  
2101 +
1899 1899  == 5.5 Can i use point to point communication for LT-22222-L? ==
1900 1900  
2104 +
1901 1901  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2106 +
2107 +
2108 +
1902 1902  )))
1903 1903  
1904 1904  (((
1905 1905  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1906 1906  
2114 +
1907 1907  If the device is not shut down, but directly powered off.
1908 1908  
1909 1909  It will default that this is a power-off state.
... ... @@ -1912,12 +1912,18 @@
1912 1912  
1913 1913  After restart, the status before power failure will be read from flash.
1914 1914  
2123 +
2124 +
1915 1915  = 6. Trouble Shooting =
2126 +
2127 +
1916 1916  )))
1917 1917  
1918 1918  (((
1919 1919  (((
1920 -== 6.1 Downlink doesn’t work, how to solve it? ==
2132 +== 6.1 Downlink doesn't work, how to solve it? ==
2133 +
2134 +
1921 1921  )))
1922 1922  )))
1923 1923  
... ... @@ -1928,7 +1928,10 @@
1928 1928  (((
1929 1929  
1930 1930  
2145 +
1931 1931  == 6.2 Have trouble to upload image. ==
2147 +
2148 +
1932 1932  )))
1933 1933  
1934 1934  (((
... ... @@ -1938,7 +1938,10 @@
1938 1938  (((
1939 1939  
1940 1940  
1941 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2158 +
2159 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +
2161 +
1942 1942  )))
1943 1943  
1944 1944  (((
... ... @@ -1952,19 +1952,21 @@
1952 1952  
1953 1953  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1954 1954  
1955 -
1956 1956  (% style="color:#4f81bd" %)**XXX:**
1957 1957  
1958 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1959 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1960 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1961 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1962 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1963 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1964 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1965 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1966 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2177 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2178 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2179 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2180 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2181 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2182 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2183 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2184 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1967 1967  
2187 +
2188 +
2189 +
1968 1968  = 8. Packing Info =
1969 1969  
1970 1970  
... ... @@ -1982,18 +1982,28 @@
1982 1982  * Package Size / pcs : 14.5 x 8 x 5 cm
1983 1983  * Weight / pcs : 170g
1984 1984  
2207 +
2208 +
2209 +
1985 1985  = 9. Support =
1986 1986  
2212 +
1987 1987  * (((
1988 1988  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.
1989 1989  )))
1990 1990  * (((
1991 1991  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]]
2218 +
2219 +
2220 +
2221 +
1992 1992  )))
1993 1993  
1994 1994  = 10. Reference​​​​​ =
1995 1995  
2226 +
1996 1996  * 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]]
1997 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1998 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2228 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1999 1999  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
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