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

From version 82.12
edited by Xiaoling
on 2022/06/20 11:44
Change comment: There is no comment for this version
To version 101.3
edited by Xiaoling
on 2022/10/25 15:22
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -16,13 +16,16 @@
16 16  
17 17  = 1.Introduction =
18 18  
18 +
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 22  
23 23  
24 +(((
24 24  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 25  )))
27 +)))
26 26  
27 27  (((
28 28  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -37,11 +37,13 @@
37 37  )))
38 38  
39 39  (((
40 -1) If users area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 +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.
47 +
48 +
45 45  )))
46 46  
47 47  (((
... ... @@ -56,7 +56,7 @@
56 56  (((
57 57  
58 58  
59 -**Hardware System:**
63 +(% 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:**
88 +(% 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:**
113 +(% style="color:#037691" %)**LoRa Spec:**
110 110  )))
111 111  
112 112  * (((
... ... @@ -173,18 +173,18 @@
173 173  
174 174  == 1.3 Features ==
175 175  
180 +
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
183 +* 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
182 182  * Counting
183 183  
184 -
185 -
186 186  == 1.4  Applications ==
187 187  
191 +
188 188  * Smart Buildings & Home Automation
189 189  * Logistics and Supply Chain Management
190 190  * Smart Metering
... ... @@ -192,10 +192,9 @@
192 192  * Smart Cities
193 193  * Smart Factory
194 194  
195 -
196 -
197 197  == 1.5 Hardware Variants ==
198 198  
201 +
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" %)(((
... ... @@ -207,13 +207,17 @@
207 207  * 1 x Counting Port
208 208  )))
209 209  
210 -
211 211  = 2. Power ON Device =
212 212  
215 +
216 +(((
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.
218 +)))
214 214  
215 215  (((
216 216  PWR will on when device is properly powered.
222 +
223 +
217 217  )))
218 218  
219 219  [[image:1653297104069-180.png]]
... ... @@ -222,21 +222,27 @@
222 222  
223 223  = 3. Operation Mode =
224 224  
232 +
225 225  == 3.1 How it works? ==
226 226  
235 +
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. 
237 +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 cant set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
241 +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  
245 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
248 +
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. 
251 +
252 +
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:
260 +
261 +
247 247  )))
248 248  
249 249  (((
... ... @@ -259,18 +259,21 @@
259 259  
260 260  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
261 261  
262 -Add APP EUI in the application.
277 +**Add APP EUI in the application.**
263 263  
264 264  [[image:1653297955910-247.png||height="321" width="716"]]
265 265  
266 266  
267 -Add APP KEY and DEV EUI
282 +**Add APP KEY and DEV EUI**
268 268  
269 269  [[image:1653298023685-319.png]]
270 270  
271 271  
287 +
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.
290 +
291 +
274 274  )))
275 275  
276 276  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -279,20 +279,22 @@
279 279  
280 280  == 3.3 Uplink Payload ==
281 281  
300 +
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
303 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
304 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
305 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
306 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
307 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
308 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 -
292 -
293 293  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
294 294  
312 +
313 +(((
295 295  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
315 +)))
296 296  
297 297  [[image:image-20220523174024-3.png]]
298 298  
... ... @@ -308,7 +308,7 @@
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
331 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
312 312  
313 313  For example if payload is: [[image:image-20220523175847-2.png]]
314 314  
... ... @@ -343,12 +343,12 @@
343 343  ** DO1 is high in case there is load between DO1 and V+.
344 344  ** DO1 LED is off in both case
345 345  
346 -
347 -
348 348  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
349 349  
350 350  
369 +(((
351 351  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
371 +)))
352 352  
353 353  (((
354 354  Total : 11 bytes payload
... ... @@ -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.
391 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
372 372  )))
373 373  
374 374  (((
... ... @@ -380,48 +380,53 @@
380 380  (% class="box infomessage" %)
381 381  (((
382 382  (((
403 +(((
383 383  **AT+MOD=2**
405 +)))
384 384  
407 +(((
385 385  **ATZ**
386 386  )))
387 387  )))
411 +)))
388 388  
389 389  (((
390 390  
391 391  
392 392  (% style="color:#4f81bd" %)**AT Commands for counting:**
417 +
418 +
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 ) **
425 +(% 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) **
427 +(% 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 ) **
429 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
409 409  
410 -**AT+SETCNT=1,6  (Set COUNT1 value to 60)**
431 +(% 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)**
433 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
434 +
435 +(% 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  
442 +
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  (((
448 +
449 +
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.
460 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
436 436  )))
437 437  
463 +
438 438  (((
439 439  **To use counting mode, please run:**
440 440  )))
... ... @@ -442,11 +442,15 @@
442 442  (% class="box infomessage" %)
443 443  (((
444 444  (((
471 +(((
445 445  **AT+MOD=3**
473 +)))
446 446  
475 +(((
447 447  **ATZ**
448 448  )))
449 449  )))
479 +)))
450 450  
451 451  (((
452 452  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -457,9 +457,13 @@
457 457  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
458 458  
459 459  
490 +(((
460 460  **LT22222-L**: This mode the DI1 is used as a counting pin.
492 +)))
461 461  
494 +(((
462 462  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
496 +)))
463 463  
464 464  [[image:image-20220523181903-8.png]]
465 465  
... ... @@ -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.
512 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
479 479  )))
480 480  
481 481  (((
... ... @@ -487,14 +487,17 @@
487 487  (% class="box infomessage" %)
488 488  (((
489 489  (((
524 +(((
490 490  **AT+MOD=4**
526 +)))
491 491  
528 +(((
492 492  **ATZ**
493 493  )))
494 494  )))
532 +)))
495 495  
496 496  
497 -
498 498  (((
499 499  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
500 500  )))
... ... @@ -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)**
545 +(% 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)**
547 +(% 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)**
549 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
550 +
551 +(% 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  
555 +
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.
576 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
543 543  )))
544 544  
545 545  (((
... ... @@ -551,11 +551,15 @@
551 551  (% class="box infomessage" %)
552 552  (((
553 553  (((
588 +(((
554 554  **AT+MOD=5**
590 +)))
555 555  
592 +(((
556 556  **ATZ**
557 557  )))
558 558  )))
596 +)))
559 559  
560 560  (((
561 561  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -570,8 +570,8 @@
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
611 +* **AT+MOD=1 ** **~-~->**  The normal working mode
612 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
575 575  
576 576  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
577 577  
... ... @@ -580,10 +580,12 @@
580 580  
581 581  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
582 582  
621 +
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  
626 +
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  
639 +
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  
658 +
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**
... ... @@ -662,6 +662,7 @@
662 662  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
663 663  
664 664  
707 +
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]]
... ... @@ -673,6 +673,7 @@
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]]
... ... @@ -686,6 +686,7 @@
686 686  00000101: Means both DI1 and DI2 trigger are enabled.
687 687  
688 688  
733 +
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:
... ... @@ -696,113 +696,112 @@
696 696  
697 697  
698 698  
744 +
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 -
750 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
707 707  )))
708 708  
709 709  
754 +
710 710  == 3.4 ​Configure LT via AT or Downlink ==
711 711  
757 +
758 +(((
712 712  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
760 +)))
713 713  
714 714  (((
763 +(((
715 715  There are two kinds of Commands:
716 716  )))
766 +)))
717 717  
718 718  * (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
719 719  
720 720  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
721 721  
722 -
723 -
724 724  === 3.4.1 Common Commands ===
725 725  
774 +
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]]
777 +)))
727 727  
728 728  
729 729  
730 730  === 3.4.2 Sensor related commands ===
731 731  
783 +
732 732  ==== 3.4.2.1 Set Transmit Interval ====
733 733  
786 +
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  
793 +
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  
803 +
755 755  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756 756  
806 +
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  
813 +
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 -)))
819 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
775 775  
776 776  
777 777  
823 +
778 778  ==== 3.4.2.3 Poll an uplink ====
779 779  
780 -* (% style="color:#037691" %)AT Command:
781 781  
827 +* (% style="color:#037691" %)**AT Command:**
828 +
782 782  There is no AT Command to poll uplink
783 783  
784 784  
785 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
832 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -**0x08 FF     ~/~/ Poll an uplink,**
790 -)))
834 +**0x08 FF     **~/~/ Poll an uplink
791 791  
836 +
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
795 795  
841 +
796 796  ==== 3.4.2.4 Enable Trigger Mode ====
797 797  
844 +
798 798  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
799 799  
800 -* (% style="color:#037691" %)AT Command:
847 +* (% 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):
856 +* (% 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 -)))
858 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
818 818  
819 819  
820 820  
862 +
821 821  ==== 3.4.2.5 Poll trigger settings ====
822 822  
865 +
823 823  Poll trigger settings,
824 824  
825 -* (% style="color:#037691" %)AT Command:
868 +* (% 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):
873 +* (% 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 -)))
875 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
836 836  
837 837  
838 838  
879 +
839 839  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
840 840  
882 +
841 841  Enable Disable DI1/DI2/DI2 as trigger,
842 842  
843 -* (% style="color:#037691" %)AT Command:
885 +* (% 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:**
... ... @@ -852,25 +852,21 @@
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):
894 +* (% 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 -)))
896 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
861 861  
862 862  
863 863  
900 +
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
903 +
866 866  Set DI1 or DI3(for LT-33222-L) trigger.
867 867  
868 -* (% style="color:#037691" %)AT Command:
906 +* (% style="color:#037691" %)**AT Command:**
869 869  
870 -(% class="box infomessage" %)
871 -(((
872 872  **AT+TRIG1=a,b**
873 -)))
874 874  
875 875  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
876 876  
... ... @@ -882,26 +882,19 @@
882 882  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
883 883  
884 884  
885 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
920 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
921 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
886 886  
887 -(% class="box infomessage" %)
888 -(((
889 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
890 -)))
891 -
892 -
893 -
894 894  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
895 895  
925 +
896 896  Set DI2 trigger.
897 897  
898 -* (% style="color:#037691" %)AT Command:
928 +* (% style="color:#037691" %)**AT Command:**
899 899  
900 -(% class="box infomessage" %)
901 -(((
902 902  **AT+TRIG2=a,b**
903 -)))
904 904  
932 +
905 905  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
906 906  
907 907  b : delay timing.
... ... @@ -912,93 +912,82 @@
912 912  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
913 913  
914 914  
915 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
943 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
916 916  
917 -(% class="box infomessage" %)
918 -(((
919 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
920 -)))
945 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
921 921  
922 922  
923 923  
949 +
924 924  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925 925  
952 +
926 926  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
927 927  
928 -* (% style="color:#037691" %)AT Command:
955 +* (% style="color:#037691" %)**AT Command**
929 929  
930 -(% class="box infomessage" %)
931 -(((
932 -**AT+ACLIM. **
933 -)))
957 +**AT+ACLIM**
934 934  
935 935  
936 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
960 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
937 937  
938 -(% class="box infomessage" %)
939 -(((
940 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
941 -)))
962 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942 942  
943 943  
944 944  
966 +
945 945  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
946 946  
969 +
947 947  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
948 948  
949 -* (% style="color:#037691" %)AT Command:
972 +* (% style="color:#037691" %)**AT Command**
950 950  
951 -(% class="box infomessage" %)
952 -(((
953 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 -)))
974 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
955 955  
956 956  
957 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
977 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
958 958  
959 -(% class="box infomessage" %)
960 -(((
961 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
962 -)))
979 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
963 963  
964 964  
965 965  
983 +
966 966  ==== 3.4.2.11 Trigger – Set minimum interval ====
967 967  
968 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
969 969  
970 -* (% style="color:#037691" %)AT Command:
987 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
971 971  
972 -(% class="box infomessage" %)
973 -(((
974 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
975 -)))
989 +* (% style="color:#037691" %)**AT Command**
976 976  
991 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
977 977  
978 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
979 979  
980 -(% class="box infomessage" %)
994 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
995 +
996 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
997 +
981 981  (((
982 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
999 +
1000 +
1001 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
983 983  )))
984 984  
985 985  
986 986  
1006 +
987 987  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
988 988  
989 -* (% style="color:#037691" %)AT Command:
990 990  
1010 +* (% style="color:#037691" %)**AT Command**
1011 +
991 991  There is no AT Command to control Digital Output
992 992  
993 993  
994 -* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
1015 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1016 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
995 995  
996 -(% class="box infomessage" %)
997 997  (((
998 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
999 -)))
1000 -
1001 -(((
1002 1002  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1003 1003  )))
1004 1004  
... ... @@ -1009,31 +1009,29 @@
1009 1009  [[image:image-20220524092754-5.png]]
1010 1010  
1011 1011  (((
1012 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1029 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1013 1013  )))
1014 1014  
1015 1015  (((
1016 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1033 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1017 1017  )))
1018 1018  
1019 1019  
1020 1020  
1038 +
1021 1021  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1022 1022  
1023 -* (% style="color:#037691" %)AT Command:
1024 1024  
1042 +* (% style="color:#037691" %)**AT Command**
1043 +
1025 1025  There is no AT Command to control Digital Output
1026 1026  
1027 1027  
1028 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1047 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1029 1029  
1030 -(% class="box infomessage" %)
1031 -(((
1032 -(((
1033 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1034 -)))
1035 -)))
1049 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1036 1036  
1051 +
1037 1037  This is to control the digital output time of DO pin. Include four bytes:
1038 1038  
1039 1039  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1060,11 +1060,11 @@
1060 1060  [[image:image-20220524093351-8.png]]
1061 1061  
1062 1062  
1063 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1078 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1064 1064  
1065 1065   Latching time. Unit: ms
1066 1066  
1067 -Device will upload a packet if downlink code executes successfully.
1082 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1068 1068  
1069 1069  
1070 1070  **Example payload:**
... ... @@ -1087,20 +1087,20 @@
1087 1087  
1088 1088  
1089 1089  
1105 +
1090 1090  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1091 1091  
1092 -* (% style="color:#037691" %)AT Command:
1093 1093  
1109 +* (% style="color:#037691" %)**AT Command:**
1110 +
1094 1094  There is no AT Command to control Relay Output
1095 1095  
1096 1096  
1097 -* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1114 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1098 1098  
1099 -(% class="box infomessage" %)
1100 -(((
1101 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1102 -)))
1116 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1103 1103  
1118 +
1104 1104  (((
1105 1105  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1106 1106  )))
... ... @@ -1113,24 +1113,24 @@
1113 1113  [[image:image-20220524093724-9.png]]
1114 1114  )))
1115 1115  
1116 -Device will upload a packet if downlink code executes successfully.
1131 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1117 1117  
1118 1118  
1119 1119  
1135 +
1120 1120  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1121 1121  
1122 -* (% style="color:#037691" %)AT Command:
1123 1123  
1139 +* (% style="color:#037691" %)**AT Command:**
1140 +
1124 1124  There is no AT Command to control Relay Output
1125 1125  
1126 1126  
1127 -* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1144 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1128 1128  
1129 -(% class="box infomessage" %)
1130 -(((
1131 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1132 -)))
1146 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1133 1133  
1148 +
1134 1134  This is to control the relay output time of relay. Include four bytes:
1135 1135  
1136 1136  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1144,63 +1144,57 @@
1144 1144  
1145 1145  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1146 1146  
1147 -[[image:image-20220524093831-10.png]]
1162 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1148 1148  
1149 1149  
1150 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1165 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1151 1151  
1152 -Device will upload a packet if downlink code executes successfully.
1167 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1153 1153  
1154 1154  
1155 1155  **Example payload:**
1156 1156  
1157 -**~1. 05 01 11 07 D0**
1172 +**~1. 05 01 11 07 D**
1158 1158  
1159 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1174 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1160 1160  
1161 1161  **2. 05 01 10 07 D0**
1162 1162  
1163 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1178 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1164 1164  
1165 1165  **3. 05 00 01 07 D0**
1166 1166  
1167 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1182 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1168 1168  
1169 1169  **4. 05 00 00 07 D0**
1170 1170  
1171 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1186 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1172 1172  
1173 1173  
1174 1174  
1175 1175  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1176 1176  
1192 +
1177 1177  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1178 1178  
1179 -* (% style="color:#037691" %)AT Command:
1195 +* (% style="color:#037691" %)**AT Command:**
1180 1180  
1181 -(% class="box infomessage" %)
1182 -(((
1183 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1184 -)))
1197 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1185 1185  
1186 1186  
1187 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1200 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1188 1188  
1189 -(% class="box infomessage" %)
1190 -(((
1191 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1192 -)))
1202 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1193 1193  
1194 1194  
1195 1195  
1206 +
1196 1196  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1197 1197  
1198 -* (% style="color:#037691" %)AT Command:
1199 1199  
1200 -(% class="box infomessage" %)
1201 -(((
1210 +* (% style="color:#037691" %)**AT Command:**
1211 +
1202 1202  **AT+SETCNT=aa,(bb cc dd ee) **
1203 -)))
1204 1204  
1205 1205  aa: 1: Set count1,
1206 1206  
... ... @@ -1211,22 +1211,21 @@
1211 1211  Bb cc dd ee: number to be set
1212 1212  
1213 1213  
1214 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1223 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1215 1215  
1216 -(% class="box infomessage" %)
1217 -(((
1218 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1219 -)))
1225 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1220 1220  
1221 1221  
1222 1222  
1229 +
1223 1223  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1224 1224  
1232 +
1225 1225  Clear counting for counting mode
1226 1226  
1227 1227  * (% style="color:#037691" %)**AT Command:**
1228 1228  
1229 -(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1237 +**AT+CLRCOUNT ** ~/~/ clear all counting
1230 1230  
1231 1231  
1232 1232  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1235,8 +1235,10 @@
1235 1235  
1236 1236  
1237 1237  
1246 +
1238 1238  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1239 1239  
1249 +
1240 1240  * (% style="color:#037691" %)**AT Command:**
1241 1241  
1242 1242  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1249,12 +1249,127 @@
1249 1249  (((
1250 1250  range: aa bb cc:0 to 16777215,  (unit:second)
1251 1251  
1262 +
1263 +
1252 1252  
1253 1253  )))
1254 1254  
1267 +==== 3.4.2.20 Reset save DR DO state ====
1255 1255  
1269 +
1270 +* (% style="color:#037691" %)**AT Command:**
1271 +
1272 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1273 +
1274 +**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.
1275 +
1276 +
1277 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1278 +
1279 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1280 +
1281 +(((
1282 +
1283 +
1284 +
1285 +
1286 +==== 3.4.2.21 Encrypted payload ====
1287 +
1288 +
1289 +* (% style="color:#037691" %)**AT Command:**
1290 +
1291 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1292 +
1293 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1294 +
1295 +
1296 +
1297 +
1298 +==== 3.4.2.22 Get sensor value ====
1299 +
1300 +
1301 +* (% style="color:#037691" %)**AT Command:**
1302 +
1303 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1304 +
1305 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1306 +
1307 +
1308 +
1309 +
1310 +==== 3.4.2.23 Resets the downlink packet count ====
1311 +
1312 +
1313 +* (% style="color:#037691" %)**AT Command:**
1314 +
1315 +**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)
1316 +
1317 +**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.
1318 +
1319 +
1320 +
1321 +
1322 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1323 +
1324 +
1325 +* (% style="color:#037691" %)**AT Command:**
1326 +
1327 + **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)
1328 +
1329 + **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.
1330 +
1331 +
1332 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1333 +
1334 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1335 +
1336 +
1337 +
1338 +
1339 +==== 3.4.2.25 Copy downlink to uplink ====
1340 +
1341 +
1342 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1343 +
1344 + **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.
1345 +
1346 +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.
1347 +
1348 +
1349 +[[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"]]
1350 +
1351 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1352 +
1353 +
1354 +
1355 +[[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"]]
1356 +
1357 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1358 +
1359 +
1360 +
1361 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1362 +
1363 +
1364 +* (((
1365 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1366 +
1367 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1368 +
1369 +
1370 +)))
1371 +
1372 +**Example:**
1373 +
1374 +[[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"]]
1375 +
1376 +
1377 +
1378 +)))
1379 +
1256 1256  == 3.5 Integrate with Mydevice ==
1257 1257  
1382 +
1258 1258  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:
1259 1259  
1260 1260  (((
... ... @@ -1263,14 +1263,15 @@
1263 1263  
1264 1264  (((
1265 1265  (% 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:
1391 +
1392 +
1266 1266  )))
1267 1267  
1268 -[[image:1653356737703-362.png||height="232" width="732"]]
1395 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1269 1269  
1270 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1271 1271  
1272 1272  
1273 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1399 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1274 1274  
1275 1275  
1276 1276  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1303,8 +1303,10 @@
1303 1303  
1304 1304  == 3.6 Interface Detail ==
1305 1305  
1432 +
1306 1306  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1307 1307  
1435 +
1308 1308  Support NPN Type sensor
1309 1309  
1310 1310  [[image:1653356991268-289.png]]
... ... @@ -1313,6 +1313,7 @@
1313 1313  
1314 1314  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1315 1315  
1444 +
1316 1316  (((
1317 1317  The DI port of LT-22222-L can support NPN or PNP output sensor.
1318 1318  )))
... ... @@ -1319,7 +1319,9 @@
1319 1319  
1320 1320  (((
1321 1321  (((
1322 -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 +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.
1452 +
1453 +
1323 1323  )))
1324 1324  )))
1325 1325  
... ... @@ -1344,10 +1344,10 @@
1344 1344  )))
1345 1345  
1346 1346  * (((
1347 -Connect sensors output to DI1-
1478 +Connect sensor's output to DI1-
1348 1348  )))
1349 1349  * (((
1350 -Connect sensors VCC to DI1+.
1481 +Connect sensor's VCC to DI1+.
1351 1351  )))
1352 1352  
1353 1353  (((
... ... @@ -1355,15 +1355,17 @@
1355 1355  )))
1356 1356  
1357 1357  (((
1358 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1489 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1359 1359  )))
1360 1360  
1361 1361  (((
1362 -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.
1493 +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.
1363 1363  )))
1364 1364  
1365 1365  (((
1366 1366  
1498 +
1499 +
1367 1367  )))
1368 1368  
1369 1369  (((
... ... @@ -1375,10 +1375,10 @@
1375 1375  )))
1376 1376  
1377 1377  * (((
1378 -Connect sensors output to DI1+
1511 +Connect sensor's output to DI1+
1379 1379  )))
1380 1380  * (((
1381 -Connect sensors GND DI1-.
1514 +Connect sensor's GND DI1-.
1382 1382  )))
1383 1383  
1384 1384  (((
... ... @@ -1395,6 +1395,8 @@
1395 1395  
1396 1396  (((
1397 1397  
1531 +
1532 +
1398 1398  )))
1399 1399  
1400 1400  (((
... ... @@ -1406,10 +1406,10 @@
1406 1406  )))
1407 1407  
1408 1408  * (((
1409 -Connect sensors output to DI1+ with a serial 50K resistor
1544 +Connect sensor's output to DI1+ with a serial 50K resistor
1410 1410  )))
1411 1411  * (((
1412 -Connect sensors GND DI1-.
1547 +Connect sensor's GND DI1-.
1413 1413  )))
1414 1414  
1415 1415  (((
... ... @@ -1428,6 +1428,7 @@
1428 1428  
1429 1429  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1430 1430  
1566 +
1431 1431  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1432 1432  
1433 1433  [[image:1653357531600-905.png]]
... ... @@ -1436,6 +1436,7 @@
1436 1436  
1437 1437  === 3.6.4 Analog Input Interface ===
1438 1438  
1575 +
1439 1439  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:
1440 1440  
1441 1441  
... ... @@ -1448,13 +1448,13 @@
1448 1448  We take the wind speed sensor as an example for reference only.
1449 1449  
1450 1450  
1451 -**Specifications of the wind speed sensor:**
1588 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1452 1452  
1453 -Red:  12~~24v
1590 +**Red:  12~~24v**
1454 1454  
1455 -Yellow:  4~~20mA
1592 +**Yellow:  4~~20mA**
1456 1456  
1457 -Black:  GND
1594 +**Black:  GND**
1458 1458  
1459 1459  
1460 1460  **Connection diagram:**
... ... @@ -1467,6 +1467,7 @@
1467 1467  
1468 1468  === 3.6.5 Relay Output ===
1469 1469  
1607 +
1470 1470  (((
1471 1471  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:
1472 1472  )))
... ... @@ -1473,6 +1473,7 @@
1473 1473  
1474 1474  [[image:image-20220524100215-9.png]]
1475 1475  
1614 +
1476 1476  [[image:image-20220524100215-10.png||height="382" width="723"]]
1477 1477  
1478 1478  
... ... @@ -1479,15 +1479,25 @@
1479 1479  
1480 1480  == 3.7 LEDs Indicators ==
1481 1481  
1621 +
1482 1482  [[image:image-20220524100748-11.png]]
1483 1483  
1484 1484  
1625 +
1485 1485  = 4. Use AT Command =
1486 1486  
1628 +
1487 1487  == 4.1 Access AT Command ==
1488 1488  
1631 +
1632 +(((
1489 1489  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.
1634 +)))
1490 1490  
1636 +(((
1637 +
1638 +)))
1639 +
1491 1491  [[image:1653358238933-385.png]]
1492 1492  
1493 1493  
... ... @@ -1515,7 +1515,7 @@
1515 1515  )))
1516 1516  
1517 1517  (((
1518 -AT+<CMD>=?       : Get the value
1667 +AT+<CMD>=?       :  Get the value
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1543,11 +1543,11 @@
1543 1543  )))
1544 1544  
1545 1545  (((
1546 -AT+APPSKEY: Get or Set the Application Session Key
1695 +AT+APPSKEY:  Get or Set the Application Session Key
1547 1547  )))
1548 1548  
1549 1549  (((
1550 -AT+APPEUI: Get or Set the Application EUI
1699 +AT+APPEUI:  Get or Set the Application EUI
1551 1551  )))
1552 1552  
1553 1553  (((
... ... @@ -1559,7 +1559,7 @@
1559 1559  )))
1560 1560  
1561 1561  (((
1562 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1711 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1563 1563  )))
1564 1564  
1565 1565  (((
... ... @@ -1595,7 +1595,7 @@
1595 1595  )))
1596 1596  
1597 1597  (((
1598 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1747 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1599 1599  )))
1600 1600  
1601 1601  (((
... ... @@ -1639,7 +1639,7 @@
1639 1639  )))
1640 1640  
1641 1641  (((
1642 -AT+VER: Get current image version and Frequency Band
1791 +AT+VER:  Get current image version and Frequency Band
1643 1643  )))
1644 1644  
1645 1645  (((
... ... @@ -1647,7 +1647,7 @@
1647 1647  )))
1648 1648  
1649 1649  (((
1650 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1799 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1651 1651  )))
1652 1652  
1653 1653  (((
... ... @@ -1684,8 +1684,6 @@
1684 1684  
1685 1685  (((
1686 1686  AT+CFG: Print all settings
1687 -
1688 -
1689 1689  )))
1690 1690  
1691 1691  
... ... @@ -1692,47 +1692,48 @@
1692 1692  
1693 1693  == 4.2 Common AT Command Sequence ==
1694 1694  
1842 +
1695 1695  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1696 1696  
1697 1697  (((
1698 1698  
1699 1699  
1700 -**If device has not joined network yet:**
1848 +(((
1849 +(% style="color:blue" %)**If device has not joined network yet:**
1701 1701  )))
1851 +)))
1702 1702  
1703 1703  (((
1704 -(% style="background-color:#dcdcdc" %)123456
1854 +(% style="background-color:#dcdcdc" %)**123456**
1705 1705  )))
1706 1706  
1707 1707  (((
1708 -(% style="background-color:#dcdcdc" %)AT+FDR
1858 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1709 1709  )))
1710 1710  
1711 1711  (((
1712 -(% style="background-color:#dcdcdc" %)123456
1862 +(% style="background-color:#dcdcdc" %)**123456**
1713 1713  )))
1714 1714  
1715 1715  (((
1716 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1866 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1717 1717  )))
1718 1718  
1719 1719  (((
1720 -(% style="background-color:#dcdcdc" %)ATZ
1870 +(% style="background-color:#dcdcdc" %)**ATZ**
1721 1721  )))
1722 1722  
1723 1723  
1724 1724  (((
1725 -**If device already joined network:**
1875 +(% style="color:blue" %)**If device already joined network:**
1726 1726  )))
1727 1727  
1728 1728  (((
1729 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1879 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1730 1730  )))
1731 1731  
1732 1732  (((
1733 -(% style="background-color:#dcdcdc" %)ATZ
1734 -
1735 -
1883 +(% style="background-color:#dcdcdc" %)**ATZ**
1736 1736  )))
1737 1737  
1738 1738  
... ... @@ -1742,55 +1742,57 @@
1742 1742  (((
1743 1743  
1744 1744  
1745 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1893 +(((
1894 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1746 1746  )))
1896 +)))
1747 1747  
1748 1748  (((
1749 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1899 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1903 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1907 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1758 1758  )))
1759 1759  
1760 1760  (((
1761 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1911 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1915 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1919 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1923 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1927 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1931 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1782 1782  )))
1783 1783  
1784 1784  (((
1785 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1935 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1786 1786  )))
1787 1787  
1788 1788  (((
1789 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1939 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1790 1790  )))
1791 1791  
1792 1792  (((
1793 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1943 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1794 1794  
1795 1795  
1796 1796  )))
... ... @@ -1800,10 +1800,16 @@
1800 1800  )))
1801 1801  
1802 1802  (((
1803 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1804 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1805 -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.
1806 -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
1953 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1954 +
1955 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1956 +
1957 +**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?
1958 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1959 +
1960 +**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**
1961 +
1962 +
1807 1807  )))
1808 1808  
1809 1809  (((
... ... @@ -1817,13 +1817,19 @@
1817 1817  
1818 1818  === 4.2.3 Change to Class A ===
1819 1819  
1820 -If sensor JOINED
1821 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1822 -ATZ
1823 1823  
1977 +(((
1978 +(% style="color:blue" %)If sensor JOINED:
1824 1824  
1980 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1981 +ATZ**
1982 +)))
1983 +
1984 +
1985 +
1825 1825  = 5. FAQ =
1826 1826  
1988 +
1827 1827  == 5.1 How to upgrade the image? ==
1828 1828  
1829 1829  
... ... @@ -1840,14 +1840,18 @@
1840 1840  
1841 1841  (((
1842 1842  (% 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]].
1843 -(% 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/]].
2005 +(% 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]].
1844 1844  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1845 1845  
1846 1846  
2009 +(((
1847 1847  (% style="color:blue" %)**For LT-22222-L**(%%):
1848 -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.
2011 +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.
1849 1849  )))
1850 1850  
2014 +
2015 +)))
2016 +
1851 1851   [[image:image-20220524103407-12.png]]
1852 1852  
1853 1853  [[image:image-20220524103429-13.png]]
... ... @@ -1857,6 +1857,7 @@
1857 1857  
1858 1858  (% 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:
1859 1859  
2026 +
1860 1860  [[image:1653360054704-518.png||height="186" width="745"]]
1861 1861  
1862 1862  
... ... @@ -1865,6 +1865,8 @@
1865 1865  
1866 1866  
1867 1867  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2035 +
2036 +
1868 1868  )))
1869 1869  )))
1870 1870  
... ... @@ -1875,7 +1875,10 @@
1875 1875  (((
1876 1876  
1877 1877  
2047 +
1878 1878  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2049 +
2050 +
1879 1879  )))
1880 1880  
1881 1881  (((
... ... @@ -1888,38 +1888,45 @@
1888 1888  (((
1889 1889  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1890 1890  
2063 +
1891 1891  
1892 1892  )))
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% 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.
2069 +(% 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.
2070 +
2071 +
1897 1897  )))
1898 1898  
1899 1899  (((
1900 1900  [[image:1653360231087-571.png||height="401" width="727"]]
2076 +
2077 +
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% 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.
2081 +(% 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.**
1905 1905  )))
1906 1906  
1907 1907  
2085 +
1908 1908  (((
1909 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2087 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2088 +
2089 +
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1914 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1915 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1916 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1917 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1918 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1919 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1920 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1921 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1922 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2093 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2094 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2095 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2096 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2097 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2098 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2099 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2100 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2101 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1923 1923  )))
1924 1924  
1925 1925  
... ... @@ -1930,20 +1930,28 @@
1930 1930  [[image:1653360498588-932.png||height="485" width="726"]]
1931 1931  
1932 1932  
2112 +
1933 1933  == 5.4 Can I see counting event in Serial? ==
1934 1934  
2115 +
1935 1935  (((
1936 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesnt support AT+DEBUG. User can update to latest firmware first.
2117 +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.
1937 1937  
1938 1938  
2120 +
1939 1939  == 5.5 Can i use point to point communication for LT-22222-L? ==
1940 1940  
2123 +
1941 1941  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2125 +
2126 +
2127 +
1942 1942  )))
1943 1943  
1944 1944  (((
1945 1945  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1946 1946  
2133 +
1947 1947  If the device is not shut down, but directly powered off.
1948 1948  
1949 1949  It will default that this is a power-off state.
... ... @@ -1952,12 +1952,28 @@
1952 1952  
1953 1953  After restart, the status before power failure will be read from flash.
1954 1954  
2142 +
2143 +
2144 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2145 +
2146 +
2147 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2148 +
2149 +
2150 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2151 +
2152 +
2153 +
1955 1955  = 6. Trouble Shooting =
2155 +
2156 +
1956 1956  )))
1957 1957  
1958 1958  (((
1959 1959  (((
1960 -== 6.1 Downlink doesn’t work, how to solve it? ==
2161 +== 6.1 Downlink doesn't work, how to solve it? ==
2162 +
2163 +
1961 1961  )))
1962 1962  )))
1963 1963  
... ... @@ -1968,7 +1968,10 @@
1968 1968  (((
1969 1969  
1970 1970  
2174 +
1971 1971  == 6.2 Have trouble to upload image. ==
2176 +
2177 +
1972 1972  )))
1973 1973  
1974 1974  (((
... ... @@ -1978,7 +1978,10 @@
1978 1978  (((
1979 1979  
1980 1980  
1981 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2187 +
2188 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2189 +
2190 +
1982 1982  )))
1983 1983  
1984 1984  (((
... ... @@ -1992,19 +1992,20 @@
1992 1992  
1993 1993  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1994 1994  
1995 -
1996 1996  (% style="color:#4f81bd" %)**XXX:**
1997 1997  
1998 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1999 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2000 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2002 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2003 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2004 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2005 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2006 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2206 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2207 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2208 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2209 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2210 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2211 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2212 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2213 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2214 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2007 2007  
2216 +
2217 +
2008 2008  = 8. Packing Info =
2009 2009  
2010 2010  
... ... @@ -2022,18 +2022,25 @@
2022 2022  * Package Size / pcs : 14.5 x 8 x 5 cm
2023 2023  * Weight / pcs : 170g
2024 2024  
2235 +
2236 +
2025 2025  = 9. Support =
2026 2026  
2239 +
2027 2027  * (((
2028 2028  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.
2029 2029  )))
2030 2030  * (((
2031 2031  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]]
2245 +
2246 +
2247 +
2248 +
2032 2032  )))
2033 2033  
2034 2034  = 10. Reference​​​​​ =
2035 2035  
2253 +
2036 2036  * 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]]
2037 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2038 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2255 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2039 2039  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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