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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 101.1
edited by Bei Jinggeng
on 2022/10/08 09:59
Change comment: There is no comment for this version
To version 82.6
edited by Xiaoling
on 2022/06/20 11:17
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
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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 **
4 4  
5 5  
6 6  **Table of Contents:**
... ... @@ -15,7 +15,6 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -37,13 +37,11 @@
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 -
47 47  )))
48 48  
49 49  (((
... ... @@ -58,7 +58,7 @@
58 58  (((
59 59  
60 60  
61 -(% style="color:#037691" %)**Hardware System:**
59 +**Hardware System:**
62 62  )))
63 63  
64 64  * (((
... ... @@ -83,7 +83,7 @@
83 83  (((
84 84  
85 85  
86 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
84 +**Interface for Model: LT22222-L:**
87 87  )))
88 88  
89 89  * (((
... ... @@ -108,7 +108,7 @@
108 108  (((
109 109  
110 110  
111 -(% style="color:#037691" %)**LoRa Spec:**
109 +**LoRa Spec:**
112 112  )))
113 113  
114 114  * (((
... ... @@ -175,10 +175,9 @@
175 175  
176 176  == 1.3 Features ==
177 177  
178 -
179 179  * LoRaWAN Class A & Class C protocol
180 180  * Optional Customized LoRa Protocol
181 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
178 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
182 182  * AT Commands to change parameters
183 183  * Remote configure parameters via LoRa Downlink
184 184  * Firmware upgradable via program port
... ... @@ -185,9 +185,10 @@
185 185  * Counting
186 186  
187 187  
188 -== 1.4  Applications ==
189 189  
190 190  
187 +== 1.4  Applications ==
188 +
191 191  * Smart Buildings & Home Automation
192 192  * Logistics and Supply Chain Management
193 193  * Smart Metering
... ... @@ -196,9 +196,10 @@
196 196  * Smart Factory
197 197  
198 198  
199 -== 1.5 Hardware Variants ==
200 200  
201 201  
199 +== 1.5 Hardware Variants ==
200 +
202 202  (% border="1" style="background-color:#f7faff; width:500px" %)
203 203  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 204  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -213,13 +213,10 @@
213 213  
214 214  = 2. Power ON Device =
215 215  
216 -
217 217  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.
218 218  
219 219  (((
220 220  PWR will on when device is properly powered.
221 -
222 -
223 223  )))
224 224  
225 225  [[image:1653297104069-180.png]]
... ... @@ -228,27 +228,21 @@
228 228  
229 229  = 3. Operation Mode =
230 230  
231 -
232 232  == 3.1 How it works? ==
233 233  
234 -
235 235  (((
236 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
230 +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. 
237 237  )))
238 238  
239 239  (((
240 -In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
234 +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.
241 241  )))
242 242  
243 243  
244 -
245 245  == 3.2 Example to join LoRaWAN network ==
246 246  
247 -
248 248  (((
249 249  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. 
250 -
251 -
252 252  )))
253 253  
254 254  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -256,8 +256,6 @@
256 256  
257 257  (((
258 258  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:
259 -
260 -
261 261  )))
262 262  
263 263  (((
... ... @@ -283,7 +283,6 @@
283 283  [[image:1653298023685-319.png]]
284 284  
285 285  
286 -
287 287  (((
288 288  (% 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.
289 289  )))
... ... @@ -294,20 +294,17 @@
294 294  
295 295  == 3.3 Uplink Payload ==
296 296  
297 -
298 298  There are five working modes + one interrupt mode on LT for different type application:
299 299  
300 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
301 -* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
302 -* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
303 -* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
304 -* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
305 -* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
286 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
287 +* **MOD2**: Double DI Counting + DO + RO
288 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
289 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
290 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
291 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
306 306  
307 -
308 308  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
309 309  
310 -
311 311  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
312 312  
313 313  [[image:image-20220523174024-3.png]]
... ... @@ -324,7 +324,7 @@
324 324  * DI is for digital input. DIx=1: high or float, DIx=0: low.
325 325  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
326 326  
327 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
311 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
328 328  
329 329  For example if payload is: [[image:image-20220523175847-2.png]]
330 330  
... ... @@ -359,8 +359,6 @@
359 359  ** DO1 is high in case there is load between DO1 and V+.
360 360  ** DO1 LED is off in both case
361 361  
362 -
363 -
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
... ... @@ -384,7 +384,7 @@
384 384  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
385 385  
386 386  (((
387 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
369 +(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
388 388  )))
389 389  
390 390  (((
... ... @@ -397,7 +397,12 @@
397 397  (((
398 398  (((
399 399  **AT+MOD=2**
382 +)))
383 +)))
400 400  
385 +(% class="box infomessage" %)
386 +(((
387 +(((
401 401  **ATZ**
402 402  )))
403 403  )))
... ... @@ -406,39 +406,63 @@
406 406  
407 407  
408 408  (% style="color:#4f81bd" %)**AT Commands for counting:**
409 -
410 -
411 411  )))
412 412  
413 413  (((
414 414  **For LT22222-L:**
400 +)))
415 415  
402 +(% class="box infomessage" %)
403 +(((
404 +(((
405 +**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
406 +)))
407 +)))
416 416  
417 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
409 +(% class="box infomessage" %)
410 +(((
411 +(((
412 +**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
413 +)))
414 +)))
418 418  
419 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
416 +(% class="box infomessage" %)
417 +(((
418 +(((
419 +**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
420 +)))
421 +)))
420 420  
421 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
423 +(% class="box infomessage" %)
424 +(((
425 +(((
426 +**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
427 +)))
428 +)))
422 422  
423 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
430 +(% class="box infomessage" %)
431 +(((
432 +(((
433 +**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
434 +)))
435 +)))
424 424  
425 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
426 -
427 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
437 +(% class="box infomessage" %)
438 +(((
439 +(((
440 +**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
428 428  )))
442 +)))
429 429  
430 430  
431 431  
432 432  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
433 433  
434 -
435 435  **LT22222-L**: This mode the DI1 is used as a counting pin.
436 436  
437 437  [[image:image-20220523181246-5.png]]
438 438  
439 439  (((
440 -
441 -
442 442  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
443 443  )))
444 444  
... ... @@ -449,10 +449,9 @@
449 449  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
450 450  
451 451  (((
452 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
463 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
453 453  )))
454 454  
455 -
456 456  (((
457 457  **To use counting mode, please run:**
458 458  )))
... ... @@ -461,7 +461,12 @@
461 461  (((
462 462  (((
463 463  **AT+MOD=3**
474 +)))
475 +)))
464 464  
477 +(% class="box infomessage" %)
478 +(((
479 +(((
465 465  **ATZ**
466 466  )))
467 467  )))
... ... @@ -493,7 +493,7 @@
493 493  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
494 494  
495 495  (((
496 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
511 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
497 497  )))
498 498  
499 499  (((
... ... @@ -506,13 +506,20 @@
506 506  (((
507 507  (((
508 508  **AT+MOD=4**
524 +)))
525 +)))
509 509  
527 +(% class="box infomessage" %)
528 +(((
529 +(((
510 510  **ATZ**
511 511  )))
512 512  )))
513 513  
534 +(((
535 +
536 +)))
514 514  
515 -
516 516  (((
517 517  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
518 518  )))
... ... @@ -521,16 +521,35 @@
521 521  
522 522  
523 523  **Plus below command for AVI1 Counting:**
546 +)))
524 524  
548 +(% class="box infomessage" %)
549 +(((
550 +(((
551 +**AT+SETCNT=3,60   (set AVI Count to 60)**
552 +)))
553 +)))
525 525  
526 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
555 +(% class="box infomessage" %)
556 +(((
557 +(((
558 +**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
559 +)))
560 +)))
527 527  
528 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
562 +(% class="box infomessage" %)
563 +(((
564 +(((
565 +**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
566 +)))
567 +)))
529 529  
530 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
531 -
532 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
569 +(% class="box infomessage" %)
570 +(((
571 +(((
572 +**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
533 533  )))
574 +)))
534 534  
535 535  
536 536  
... ... @@ -554,7 +554,7 @@
554 554  )))
555 555  
556 556  (((
557 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
598 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
558 558  )))
559 559  
560 560  (((
... ... @@ -567,7 +567,12 @@
567 567  (((
568 568  (((
569 569  **AT+MOD=5**
611 +)))
612 +)))
570 570  
614 +(% class="box infomessage" %)
615 +(((
616 +(((
571 571  **ATZ**
572 572  )))
573 573  )))
... ... @@ -585,8 +585,8 @@
585 585  
586 586  For example, if user has configured below commands:
587 587  
588 -* **AT+MOD=1 ** **~-~->**  The normal working mode
589 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
634 +* **AT+MOD=1 ** **~-~->** The normal working mode
635 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
590 590  
591 591  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
592 592  
... ... @@ -593,15 +593,12 @@
593 593  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
594 594  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.**
595 595  
642 +**AT Command to set Trigger Condition**:
596 596  
597 -(% style="color:#037691" %)**AT Command to set Trigger Condition**:
598 -
599 -
600 600  (% style="color:#4f81bd" %)**Trigger base on voltage**:
601 601  
602 602  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
603 603  
604 -
605 605  **Example:**
606 606  
607 607  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)
... ... @@ -614,7 +614,6 @@
614 614  
615 615  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
616 616  
617 -
618 618  **Example:**
619 619  
620 620  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -633,9 +633,8 @@
633 633  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
634 634  
635 635  
678 +**Downlink Command to set Trigger Condition:**
636 636  
637 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
638 -
639 639  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
640 640  
641 641  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
... ... @@ -682,7 +682,6 @@
682 682  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
683 683  
684 684  
685 -
686 686  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
687 687  
688 688  [[image:image-20220524090249-3.png]]
... ... @@ -694,7 +694,6 @@
694 694  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
695 695  
696 696  
697 -
698 698  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
699 699  
700 700  [[image:image-20220524090456-4.png]]
... ... @@ -708,7 +708,6 @@
708 708  00000101: Means both DI1 and DI2 trigger are enabled.
709 709  
710 710  
711 -
712 712  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
713 713  
714 714  Downlink command to poll MOD6 status:
... ... @@ -719,20 +719,19 @@
719 719  
720 720  
721 721  
722 -
723 723  === 3.3.7 Payload Decoder ===
724 724  
725 725  (((
726 726  
727 727  
728 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
765 +**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/]]
766 +
767 +
729 729  )))
730 730  
731 731  
732 -
733 733  == 3.4 ​Configure LT via AT or Downlink ==
734 734  
735 -
736 736  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
737 737  
738 738  (((
... ... @@ -743,10 +743,8 @@
743 743  
744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745 745  
746 -
747 747  === 3.4.1 Common Commands ===
748 748  
749 -
750 750  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]]
751 751  
752 752  
... ... @@ -753,73 +753,80 @@
753 753  
754 754  === 3.4.2 Sensor related commands ===
755 755  
756 -
757 757  ==== 3.4.2.1 Set Transmit Interval ====
758 758  
759 -
760 760  Set device uplink interval.
761 761  
762 -* (% style="color:#037691" %)**AT Command:**
795 +* AT Command:
763 763  
797 +(% class="box infomessage" %)
798 +(((
764 764  **AT+TDC=N **
800 +)))
765 765  
766 -
767 767  **Example: **AT+TDC=30000. Means set interval to 30 seconds
768 768  
769 769  
770 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
805 +* Downlink Payload (prefix 0x01):
771 771  
807 +(% class="box infomessage" %)
808 +(((
772 772  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
810 +)))
773 773  
774 774  
775 775  
776 -
777 777  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
778 778  
779 -
780 780  Set work mode.
781 781  
782 -* (% style="color:#037691" %)**AT Command:**
818 +* AT Command:
783 783  
820 +(% class="box infomessage" %)
821 +(((
784 784  **AT+MOD=N  **
823 +)))
785 785  
786 -
787 787  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
788 788  
789 789  
790 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
828 +* Downlink Payload (prefix 0x0A):
791 791  
792 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
830 +(% class="box infomessage" %)
831 +(((
832 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
833 +)))
793 793  
794 794  
795 795  
796 -
797 797  ==== 3.4.2.3 Poll an uplink ====
798 798  
839 +* AT Command:
799 799  
800 -* (% style="color:#037691" %)**AT Command:**
801 -
802 802  There is no AT Command to poll uplink
803 803  
804 804  
805 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
844 +* Downlink Payload (prefix 0x08):
806 806  
807 -**0x08 FF     **~/~/ Poll an uplink
846 +(% class="box infomessage" %)
847 +(((
848 +**0x08 FF     ~/~/ Poll an uplink,**
849 +)))
808 808  
809 -
810 810  **Example**: 0x08FF, ask device to send an Uplink
811 811  
812 812  
813 813  
814 -
815 815  ==== 3.4.2.4 Enable Trigger Mode ====
816 816  
817 -
818 818  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
819 819  
820 -* (% style="color:#037691" %)**AT Command:**
859 +* AT Command:
821 821  
861 +(% class="box infomessage" %)
862 +(((
822 822  **AT+ADDMOD6=1 or 0**
864 +)))
823 823  
824 824  1: Enable Trigger Mode
825 825  
... ... @@ -826,38 +826,43 @@
826 826  0: Disable Trigger Mode
827 827  
828 828  
829 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
871 +* Downlink Payload (prefix 0x0A 06):
830 830  
831 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
873 +(% class="box infomessage" %)
874 +(((
875 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
876 +)))
832 832  
833 833  
834 834  
835 -
836 836  ==== 3.4.2.5 Poll trigger settings ====
837 837  
838 -
839 839  Poll trigger settings,
840 840  
841 -* (% style="color:#037691" %)**AT Command:**
884 +* AT Command:
842 842  
843 843  There is no AT Command for this feature.
844 844  
845 845  
846 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
889 +* Downlink Payload (prefix 0x AB 06):
847 847  
848 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
891 +(% class="box infomessage" %)
892 +(((
893 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
894 +)))
849 849  
850 850  
851 851  
852 -
853 853  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
854 854  
855 -
856 856  Enable Disable DI1/DI2/DI2 as trigger,
857 857  
858 -* (% style="color:#037691" %)**AT Command:**
902 +* AT Command:
859 859  
904 +(% class="box infomessage" %)
905 +(((
860 860  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
907 +)))
861 861  
862 862  
863 863  **Example:**
... ... @@ -864,21 +864,25 @@
864 864  
865 865  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
866 866  
867 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
914 +* Downlink Payload (prefix 0xAA 02):
868 868  
869 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
916 +(% class="box infomessage" %)
917 +(((
918 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
919 +)))
870 870  
871 871  
872 872  
873 -
874 874  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
875 875  
876 -
877 877  Set DI1 or DI3(for LT-33222-L) trigger.
878 878  
879 -* (% style="color:#037691" %)**AT Command:**
927 +* AT Command:
880 880  
929 +(% class="box infomessage" %)
930 +(((
881 881  **AT+TRIG1=a,b**
932 +)))
882 882  
883 883  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
884 884  
... ... @@ -890,20 +890,26 @@
890 890  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
891 891  
892 892  
893 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
894 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
944 +* Downlink Payload (prefix 0x09 01 ):
895 895  
946 +(% class="box infomessage" %)
947 +(((
948 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
949 +)))
896 896  
897 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
898 898  
899 899  
953 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
954 +
900 900  Set DI2 trigger.
901 901  
902 -* (% style="color:#037691" %)**AT Command:**
957 +* AT Command:
903 903  
959 +(% class="box infomessage" %)
960 +(((
904 904  **AT+TRIG2=a,b**
962 +)))
905 905  
906 -
907 907  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
908 908  
909 909  b : delay timing.
... ... @@ -914,82 +914,93 @@
914 914  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
915 915  
916 916  
917 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
974 +* Downlink Payload (prefix 0x09 02 ):
918 918  
919 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
976 +(% class="box infomessage" %)
977 +(((
978 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
979 +)))
920 920  
921 921  
922 922  
923 -
924 924  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925 925  
926 -
927 927  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
928 928  
929 -* (% style="color:#037691" %)**AT Command**
987 +* AT Command:
930 930  
931 -**AT+ACLIM**
989 +(% class="box infomessage" %)
990 +(((
991 +**AT+ACLIM. **
992 +)))
932 932  
933 933  
934 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
995 +* Downlink Payload (prefix 0xAA 01 ):
935 935  
936 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
997 +(% class="box infomessage" %)
998 +(((
999 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1000 +)))
937 937  
938 938  
939 939  
940 -
941 941  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
942 942  
943 -
944 944  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
945 945  
946 -* (% style="color:#037691" %)**AT Command**
1008 +* AT Command:
947 947  
948 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1010 +(% class="box infomessage" %)
1011 +(((
1012 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1013 +)))
949 949  
950 950  
951 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1016 +* Downlink Payload (prefix 0xAA 00 ):
952 952  
953 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1018 +(% class="box infomessage" %)
1019 +(((
1020 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1021 +)))
954 954  
955 955  
956 956  
957 -
958 958  ==== 3.4.2.11 Trigger – Set minimum interval ====
959 959  
1027 +Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
960 960  
961 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1029 +* AT Command:
962 962  
963 -* (% style="color:#037691" %)**AT Command**
1031 +(% class="box infomessage" %)
1032 +(((
1033 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1034 +)))
964 964  
965 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
966 966  
1037 +* Downlink Payload (prefix 0xAC ):
967 967  
968 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
969 -
970 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
971 -
1039 +(% class="box infomessage" %)
972 972  (((
973 -
974 -
975 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1041 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
976 976  )))
977 977  
978 978  
979 979  
980 -
981 981  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
982 982  
1048 +* AT Command:
983 983  
984 -* (% style="color:#037691" %)**AT Command**
985 -
986 986  There is no AT Command to control Digital Output
987 987  
988 988  
989 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
990 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1053 +* Downlink Payload (prefix 0x02):
991 991  
1055 +(% class="box infomessage" %)
992 992  (((
1057 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1058 +)))
1059 +
1060 +(((
993 993  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
994 994  )))
995 995  
... ... @@ -1000,29 +1000,31 @@
1000 1000  [[image:image-20220524092754-5.png]]
1001 1001  
1002 1002  (((
1003 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1071 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1004 1004  )))
1005 1005  
1006 1006  (((
1007 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1075 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1008 1008  )))
1009 1009  
1010 1010  
1011 1011  
1012 -
1013 1013  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1014 1014  
1082 +* AT Command:
1015 1015  
1016 -* (% style="color:#037691" %)**AT Command**
1017 -
1018 1018  There is no AT Command to control Digital Output
1019 1019  
1020 1020  
1021 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1087 +* Downlink Payload (prefix 0xA9):
1022 1022  
1023 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1089 +(% class="box infomessage" %)
1090 +(((
1091 +(((
1092 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1093 +)))
1094 +)))
1024 1024  
1025 -
1026 1026  This is to control the digital output time of DO pin. Include four bytes:
1027 1027  
1028 1028  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1049,11 +1049,11 @@
1049 1049  [[image:image-20220524093351-8.png]]
1050 1050  
1051 1051  
1052 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1122 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1053 1053  
1054 1054   Latching time. Unit: ms
1055 1055  
1056 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1126 +Device will upload a packet if downlink code executes successfully.
1057 1057  
1058 1058  
1059 1059  **Example payload:**
... ... @@ -1076,20 +1076,20 @@
1076 1076  
1077 1077  
1078 1078  
1079 -
1080 1080  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1081 1081  
1151 +* AT Command:
1082 1082  
1083 -* (% style="color:#037691" %)**AT Command:**
1084 -
1085 1085  There is no AT Command to control Relay Output
1086 1086  
1087 1087  
1088 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1156 +* Downlink Payload (prefix 0x03):
1089 1089  
1090 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1158 +(% class="box infomessage" %)
1159 +(((
1160 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1161 +)))
1091 1091  
1092 -
1093 1093  (((
1094 1094  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1095 1095  )))
... ... @@ -1102,24 +1102,24 @@
1102 1102  [[image:image-20220524093724-9.png]]
1103 1103  )))
1104 1104  
1105 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1175 +Device will upload a packet if downlink code executes successfully.
1106 1106  
1107 1107  
1108 1108  
1109 -
1110 1110  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1111 1111  
1181 +* AT Command:
1112 1112  
1113 -* (% style="color:#037691" %)**AT Command:**
1114 -
1115 1115  There is no AT Command to control Relay Output
1116 1116  
1117 1117  
1118 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1186 +* Downlink Payload (prefix 0x05):
1119 1119  
1120 -**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1188 +(% class="box infomessage" %)
1189 +(((
1190 +**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1191 +)))
1121 1121  
1122 -
1123 1123  This is to control the relay output time of relay. Include four bytes:
1124 1124  
1125 1125  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1133,57 +1133,63 @@
1133 1133  
1134 1134  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1135 1135  
1136 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1206 +[[image:image-20220524093831-10.png]]
1137 1137  
1138 1138  
1139 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1209 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1140 1140  
1141 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1211 +Device will upload a packet if downlink code executes successfully.
1142 1142  
1143 1143  
1144 1144  **Example payload:**
1145 1145  
1146 -**~1. 05 01 11 07 D**
1216 +**~1. 05 01 11 07 D0**
1147 1147  
1148 -Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1218 +Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1149 1149  
1150 1150  **2. 05 01 10 07 D0**
1151 1151  
1152 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1222 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1153 1153  
1154 1154  **3. 05 00 01 07 D0**
1155 1155  
1156 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1226 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1157 1157  
1158 1158  **4. 05 00 00 07 D0**
1159 1159  
1160 -Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1230 +Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1161 1161  
1162 1162  
1163 1163  
1164 1164  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1165 1165  
1166 -
1167 1167  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1168 1168  
1169 -* (% style="color:#037691" %)**AT Command:**
1238 +* AT Command:
1170 1170  
1171 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1240 +(% class="box infomessage" %)
1241 +(((
1242 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1243 +)))
1172 1172  
1173 1173  
1174 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246 +* Downlink Payload (prefix 0xA5):
1175 1175  
1176 -**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1248 +(% class="box infomessage" %)
1249 +(((
1250 +**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1251 +)))
1177 1177  
1178 1178  
1179 1179  
1180 -
1181 1181  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1182 1182  
1257 +* AT Command:
1183 1183  
1184 -* (% style="color:#037691" %)**AT Command:**
1185 -
1259 +(% class="box infomessage" %)
1260 +(((
1186 1186  **AT+SETCNT=aa,(bb cc dd ee) **
1262 +)))
1187 1187  
1188 1188  aa: 1: Set count1,
1189 1189  
... ... @@ -1194,163 +1194,60 @@
1194 1194  Bb cc dd ee: number to be set
1195 1195  
1196 1196  
1197 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1273 +* Downlink Payload (prefix 0xA8):
1198 1198  
1199 -**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1275 +(% class="box infomessage" %)
1276 +(((
1277 +**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1278 +)))
1200 1200  
1201 1201  
1202 1202  
1203 -
1204 1204  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1205 1205  
1206 -
1207 1207  Clear counting for counting mode
1208 1208  
1209 -* (% style="color:#037691" %)**AT Command:**
1286 +* AT Command:
1210 1210  
1211 -**AT+CLRCOUNT ** ~/~/ clear all counting
1288 +(% class="box infomessage" %)
1289 +(((
1290 +**AT+CLRCOUNT ~/~/ clear all counting**
1291 +)))
1212 1212  
1293 +* Downlink Payload (prefix 0xA6):
1213 1213  
1214 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1295 +(% class="box infomessage" %)
1296 +(((
1297 +**0x A6 01     ~/~/ clear all counting,**
1298 +)))
1215 1215  
1216 -**0x A6 01    ** ~/~/ clear all counting
1217 1217  
1218 1218  
1219 -
1220 -
1221 1221  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1222 1222  
1304 +* AT Command:
1223 1223  
1224 -* (% style="color:#037691" %)**AT Command:**
1225 -
1226 -**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1227 -
1228 -
1229 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1230 -
1231 -**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1232 -
1306 +(% class="box infomessage" %)
1233 1233  (((
1234 -range: aa bb cc:0 to 16777215,  (unit:second)
1235 -
1236 -
1237 -
1238 -
1308 +**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1239 1239  )))
1240 1240  
1241 -==== 3.4.2.20 Reset save DR DO state ====
1311 +* Downlink Payload (prefix 0xA7):
1242 1242  
1243 -
1244 -* (% style="color:#037691" %)**AT Command:**
1245 -
1246 -**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1247 -
1248 -**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.
1249 -
1250 -
1251 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1252 -
1253 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1254 -
1313 +(% class="box infomessage" %)
1255 1255  (((
1256 -
1257 -
1258 -
1259 -
1260 -==== 3.4.2.21 Encrypted payload ====
1261 -
1262 -
1263 -* (% style="color:#037691" %)**AT Command:**
1264 -
1265 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1266 -
1267 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1268 -
1269 -
1270 -
1271 -
1272 -==== 3.4.2.22 Get sensor value ====
1273 -
1274 -
1275 -* (% style="color:#037691" %)**AT Command:**
1276 -
1277 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1278 -
1279 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1280 -
1281 -
1282 -
1283 -
1284 -==== 3.4.2.23 Resets the downlink packet count ====
1285 -
1286 -
1287 -* (% style="color:#037691" %)**AT Command:**
1288 -
1289 -**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)
1290 -
1291 -**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.
1292 -
1293 -
1294 -
1295 -
1296 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1297 -
1298 -
1299 -* (% style="color:#037691" %)**AT Command:**
1300 -
1301 - **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)
1302 -
1303 - **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.
1304 -
1305 -
1306 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1307 -
1308 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1309 -
1310 -
1311 -
1312 -
1313 -==== 3.4.2.25 Copy downlink to uplink ====
1314 -
1315 -
1316 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1317 -
1318 - **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.
1319 -
1320 -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.
1321 -
1322 -[[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"]]
1323 -
1324 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1325 -
1326 -[[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"]]
1327 -
1328 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1329 -
1330 -
1331 -
1332 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1333 -
1334 -
1335 -* (((
1336 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1337 -
1338 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1339 -
1340 -
1315 +**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1341 1341  )))
1342 1342  
1343 -**Example：**
1318 +(((
1319 +range: aa bb cc:0 to 16777215,  (unit:second)
1344 1344  
1345 -[[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"]]
1346 -
1347 -
1348 1348  
1349 1349  )))
1350 1350  
1324 +
1351 1351  == 3.5 Integrate with Mydevice ==
1352 1352  
1353 -
1354 1354  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:
1355 1355  
1356 1356  (((
... ... @@ -1359,15 +1359,14 @@
1359 1359  
1360 1360  (((
1361 1361  (% 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:
1362 -
1363 -
1364 1364  )))
1365 1365  
1366 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1337 +[[image:1653356737703-362.png||height="232" width="732"]]
1367 1367  
1339 +[[image:image-20220524094641-11.png||height="390" width="723"]]
1368 1368  
1369 1369  
1370 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1342 +[[image:image-20220524094641-12.png||height="402" width="718"]]
1371 1371  
1372 1372  
1373 1373  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1400,10 +1400,8 @@
1400 1400  
1401 1401  == 3.6 Interface Detail ==
1402 1402  
1403 -
1404 1404  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1405 1405  
1406 -
1407 1407  Support NPN Type sensor
1408 1408  
1409 1409  [[image:1653356991268-289.png]]
... ... @@ -1412,7 +1412,6 @@
1412 1412  
1413 1413  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1414 1414  
1415 -
1416 1416  (((
1417 1417  The DI port of LT-22222-L can support NPN or PNP output sensor.
1418 1418  )))
... ... @@ -1419,9 +1419,7 @@
1419 1419  
1420 1420  (((
1421 1421  (((
1422 -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.
1423 -
1424 -
1391 +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
1425 1425  )))
1426 1426  )))
1427 1427  
... ... @@ -1446,10 +1446,10 @@
1446 1446  )))
1447 1447  
1448 1448  * (((
1449 -Connect sensor's output to DI1-
1416 +Connect sensor’s output to DI1-
1450 1450  )))
1451 1451  * (((
1452 -Connect sensor's VCC to DI1+.
1419 +Connect sensor’s VCC to DI1+.
1453 1453  )))
1454 1454  
1455 1455  (((
... ... @@ -1457,17 +1457,15 @@
1457 1457  )))
1458 1458  
1459 1459  (((
1460 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1427 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1461 1461  )))
1462 1462  
1463 1463  (((
1464 -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.
1431 +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.
1465 1465  )))
1466 1466  
1467 1467  (((
1468 1468  
1469 -
1470 -
1471 1471  )))
1472 1472  
1473 1473  (((
... ... @@ -1479,10 +1479,10 @@
1479 1479  )))
1480 1480  
1481 1481  * (((
1482 -Connect sensor's output to DI1+
1447 +Connect sensor’s output to DI1+
1483 1483  )))
1484 1484  * (((
1485 -Connect sensor's GND DI1-.
1450 +Connect sensor’s GND DI1-.
1486 1486  )))
1487 1487  
1488 1488  (((
... ... @@ -1499,8 +1499,6 @@
1499 1499  
1500 1500  (((
1501 1501  
1502 -
1503 -
1504 1504  )))
1505 1505  
1506 1506  (((
... ... @@ -1512,10 +1512,10 @@
1512 1512  )))
1513 1513  
1514 1514  * (((
1515 -Connect sensor's output to DI1+ with a serial 50K resistor
1478 +Connect sensor’s output to DI1+ with a serial 50K resistor
1516 1516  )))
1517 1517  * (((
1518 -Connect sensor's GND DI1-.
1481 +Connect sensor’s GND DI1-.
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1534,7 +1534,6 @@
1534 1534  
1535 1535  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1536 1536  
1537 -
1538 1538  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1539 1539  
1540 1540  [[image:1653357531600-905.png]]
... ... @@ -1543,7 +1543,6 @@
1543 1543  
1544 1544  === 3.6.4 Analog Input Interface ===
1545 1545  
1546 -
1547 1547  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:
1548 1548  
1549 1549  
... ... @@ -1575,7 +1575,6 @@
1575 1575  
1576 1576  === 3.6.5 Relay Output ===
1577 1577  
1578 -
1579 1579  (((
1580 1580  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:
1581 1581  )))
... ... @@ -1582,7 +1582,6 @@
1582 1582  
1583 1583  [[image:image-20220524100215-9.png]]
1584 1584  
1585 -
1586 1586  [[image:image-20220524100215-10.png||height="382" width="723"]]
1587 1587  
1588 1588  
... ... @@ -1589,17 +1589,13 @@
1589 1589  
1590 1590  == 3.7 LEDs Indicators ==
1591 1591  
1592 -
1593 1593  [[image:image-20220524100748-11.png]]
1594 1594  
1595 1595  
1596 -
1597 1597  = 4. Use AT Command =
1598 1598  
1599 -
1600 1600  == 4.1 Access AT Command ==
1601 1601  
1602 -
1603 1603  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.
1604 1604  
1605 1605  [[image:1653358238933-385.png]]
... ... @@ -1798,6 +1798,8 @@
1798 1798  
1799 1799  (((
1800 1800  AT+CFG: Print all settings
1756 +
1757 +
1801 1801  )))
1802 1802  
1803 1803  
... ... @@ -1804,7 +1804,6 @@
1804 1804  
1805 1805  == 4.2 Common AT Command Sequence ==
1806 1806  
1807 -
1808 1808  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1809 1809  
1810 1810  (((
... ... @@ -1844,6 +1844,8 @@
1844 1844  
1845 1845  (((
1846 1846  (% style="background-color:#dcdcdc" %)ATZ
1803 +
1804 +
1847 1847  )))
1848 1848  
1849 1849  
... ... @@ -1915,8 +1915,6 @@
1915 1915  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1916 1916  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.
1917 1917  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
1918 -
1919 -
1920 1920  )))
1921 1921  
1922 1922  (((
... ... @@ -1930,16 +1930,13 @@
1930 1930  
1931 1931  === 4.2.3 Change to Class A ===
1932 1932  
1933 -
1934 1934  If sensor JOINED
1935 1935  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1936 1936  ATZ
1937 1937  
1938 1938  
1939 -
1940 1940  = 5. FAQ =
1941 1941  
1942 -
1943 1943  == 5.1 How to upgrade the image? ==
1944 1944  
1945 1945  
... ... @@ -1956,14 +1956,12 @@
1956 1956  
1957 1957  (((
1958 1958  (% 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]].
1959 -(% 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]].
1912 +(% 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/]].
1960 1960  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1961 1961  
1962 1962  
1963 1963  (% style="color:blue" %)**For LT-22222-L**(%%):
1964 -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.
1965 -
1966 -
1917 +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.
1967 1967  )))
1968 1968  
1969 1969   [[image:image-20220524103407-12.png]]
... ... @@ -1975,7 +1975,6 @@
1975 1975  
1976 1976  (% 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:
1977 1977  
1978 -
1979 1979  [[image:1653360054704-518.png||height="186" width="745"]]
1980 1980  
1981 1981  
... ... @@ -1984,8 +1984,6 @@
1984 1984  
1985 1985  
1986 1986  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1987 -
1988 -
1989 1989  )))
1990 1990  )))
1991 1991  
... ... @@ -1996,10 +1996,7 @@
1996 1996  (((
1997 1997  
1998 1998  
1999 -
2000 2000  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2001 -
2002 -
2003 2003  )))
2004 2004  
2005 2005  (((
... ... @@ -2012,33 +2012,25 @@
2012 2012  (((
2013 2013  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2014 2014  
2015 -
2016 2016  
2017 2017  )))
2018 2018  )))
2019 2019  
2020 2020  (((
2021 -(% 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.
2022 -
2023 -
1965 +(% 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.
2024 2024  )))
2025 2025  
2026 2026  (((
2027 2027  [[image:1653360231087-571.png||height="401" width="727"]]
2028 -
2029 -
2030 2030  )))
2031 2031  
2032 2032  (((
2033 -(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1973 +(% 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.
2034 2034  )))
2035 2035  
2036 2036  
2037 -
2038 2038  (((
2039 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2040 -
2041 -
1978 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2042 2042  )))
2043 2043  
2044 2044  (((
... ... @@ -2062,28 +2062,20 @@
2062 2062  [[image:1653360498588-932.png||height="485" width="726"]]
2063 2063  
2064 2064  
2065 -
2066 2066  == 5.4 Can I see counting event in Serial? ==
2067 2067  
2068 -
2069 2069  (((
2070 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2005 +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.
2071 2071  
2072 2072  
2073 -
2074 2074  == 5.5 Can i use point to point communication for LT-22222-L? ==
2075 2075  
2076 -
2077 2077  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2078 -
2079 -
2080 -
2081 2081  )))
2082 2082  
2083 2083  (((
2084 2084  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2085 2085  
2086 -
2087 2087  If the device is not shut down, but directly powered off.
2088 2088  
2089 2089  It will default that this is a power-off state.
... ... @@ -2092,26 +2092,12 @@
2092 2092  
2093 2093  After restart, the status before power failure will be read from flash.
2094 2094  
2095 -
2096 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2097 -
2098 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2099 -
2100 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2101 -
2102 -
2103 -
2104 -
2105 2105  = 6. Trouble Shooting =
2106 -
2107 -
2108 2108  )))
2109 2109  
2110 2110  (((
2111 2111  (((
2112 -== 6.1 Downlink doesn't work, how to solve it? ==
2113 -
2114 -
2029 +== 6.1 Downlink doesn’t work, how to solve it? ==
2115 2115  )))
2116 2116  )))
2117 2117  
... ... @@ -2122,10 +2122,7 @@
2122 2122  (((
2123 2123  
2124 2124  
2125 -
2126 2126  == 6.2 Have trouble to upload image. ==
2127 -
2128 -
2129 2129  )))
2130 2130  
2131 2131  (((
... ... @@ -2135,10 +2135,7 @@
2135 2135  (((
2136 2136  
2137 2137  
2138 -
2139 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2140 -
2141 -
2050 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2142 2142  )))
2143 2143  
2144 2144  (((
... ... @@ -2152,19 +2152,19 @@
2152 2152  
2153 2153  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2154 2154  
2064 +
2155 2155  (% style="color:#4f81bd" %)**XXX:**
2156 2156  
2157 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2158 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2159 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2160 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2161 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2162 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2163 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2164 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2165 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2067 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2068 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2069 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2070 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2071 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2072 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2073 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2074 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2075 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2166 2166  
2167 -
2168 2168  = 8. Packing Info =
2169 2169  
2170 2170  
... ... @@ -2182,24 +2182,18 @@
2182 2182  * Package Size / pcs : 14.5 x 8 x 5 cm
2183 2183  * Weight / pcs : 170g
2184 2184  
2185 -
2186 2186  = 9. Support =
2187 2187  
2188 -
2189 2189  * (((
2190 2190  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.
2191 2191  )))
2192 2192  * (((
2193 2193  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]]
2194 -
2195 -
2196 -
2197 -
2198 2198  )))
2199 2199  
2200 2200  = 10. Reference​​​​​ =
2201 2201  
2202 -
2203 2203  * 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]]
2204 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2106 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2107 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2205 2205  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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