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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 83.1
edited by Bei Jinggeng
on 2022/06/28 13:36
Change comment: There is no comment for this version
To version 102.2
edited by Xiaoling
on 2022/10/29 09:42
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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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 **
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 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.
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  * (((
... ... @@ -173,9 +173,10 @@
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
... ... @@ -182,8 +182,11 @@
182 182  * Counting
183 183  
184 184  
190 +
191 +
185 185  == 1.4  Applications ==
186 186  
194 +
187 187  * Smart Buildings & Home Automation
188 188  * Logistics and Supply Chain Management
189 189  * Smart Metering
... ... @@ -192,8 +192,11 @@
192 192  * Smart Factory
193 193  
194 194  
203 +
204 +
195 195  == 1.5 Hardware Variants ==
196 196  
207 +
197 197  (% border="1" style="background-color:#f7faff; width:500px" %)
198 198  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
199 199  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -205,12 +205,20 @@
205 205  * 1 x Counting Port
206 206  )))
207 207  
219 +
220 +
221 +
208 208  = 2. Power ON Device =
209 209  
224 +
225 +(((
210 210  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.
227 +)))
211 211  
212 212  (((
213 213  PWR will on when device is properly powered.
231 +
232 +
214 214  )))
215 215  
216 216  [[image:1653297104069-180.png]]
... ... @@ -219,21 +219,27 @@
219 219  
220 220  = 3. Operation Mode =
221 221  
241 +
222 222  == 3.1 How it works? ==
223 223  
244 +
224 224  (((
225 -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. 
246 +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. 
226 226  )))
227 227  
228 228  (((
229 -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.
250 +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.
230 230  )))
231 231  
232 232  
254 +
233 233  == 3.2 Example to join LoRaWAN network ==
234 234  
257 +
235 235  (((
236 236  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. 
260 +
261 +
237 237  )))
238 238  
239 239  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -241,6 +241,8 @@
241 241  
242 242  (((
243 243  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:
269 +
270 +
244 244  )))
245 245  
246 246  (((
... ... @@ -256,18 +256,21 @@
256 256  
257 257  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
258 258  
259 -Add APP EUI in the application.
286 +**Add APP EUI in the application.**
260 260  
261 261  [[image:1653297955910-247.png||height="321" width="716"]]
262 262  
263 263  
264 -Add APP KEY and DEV EUI
291 +**Add APP KEY and DEV EUI**
265 265  
266 266  [[image:1653298023685-319.png]]
267 267  
268 268  
296 +
269 269  (((
270 270  (% 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.
299 +
300 +
271 271  )))
272 272  
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -276,20 +276,25 @@
276 276  
277 277  == 3.3 Uplink Payload ==
278 278  
309 +
279 279  There are five working modes + one interrupt mode on LT for different type application:
280 280  
281 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282 -* **MOD2**: Double DI Counting + DO + RO
283 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
312 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
313 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
314 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
316 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
317 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 288  
289 289  
321 +
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
324 +
325 +(((
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
327 +)))
293 293  
294 294  [[image:image-20220523174024-3.png]]
295 295  
... ... @@ -305,7 +305,7 @@
305 305  * DI is for digital input. DIx=1: high or float, DIx=0: low.
306 306  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
307 307  
308 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
343 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
309 309  
310 310  For example if payload is: [[image:image-20220523175847-2.png]]
311 311  
... ... @@ -342,10 +342,13 @@
342 342  
343 343  
344 344  
380 +
345 345  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
346 346  
347 347  
384 +(((
348 348  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
386 +)))
349 349  
350 350  (((
351 351  Total : 11 bytes payload
... ... @@ -365,7 +365,7 @@
365 365  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
366 366  
367 367  (((
368 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
406 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
369 369  )))
370 370  
371 371  (((
... ... @@ -377,16 +377,22 @@
377 377  (% class="box infomessage" %)
378 378  (((
379 379  (((
418 +(((
380 380  **AT+MOD=2**
420 +)))
381 381  
422 +(((
382 382  **ATZ**
383 383  )))
384 384  )))
426 +)))
385 385  
386 386  (((
387 387  
388 388  
389 389  (% style="color:#4f81bd" %)**AT Commands for counting:**
432 +
433 +
390 390  )))
391 391  
392 392  (((
... ... @@ -410,11 +410,14 @@
410 410  
411 411  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
412 412  
457 +
413 413  **LT22222-L**: This mode the DI1 is used as a counting pin.
414 414  
415 415  [[image:image-20220523181246-5.png]]
416 416  
417 417  (((
463 +
464 +
418 418  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
419 419  )))
420 420  
... ... @@ -425,9 +425,10 @@
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
427 427  (((
428 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
475 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
429 429  )))
430 430  
478 +
431 431  (((
432 432  **To use counting mode, please run:**
433 433  )))
... ... @@ -435,11 +435,15 @@
435 435  (% class="box infomessage" %)
436 436  (((
437 437  (((
486 +(((
438 438  **AT+MOD=3**
488 +)))
439 439  
490 +(((
440 440  **ATZ**
441 441  )))
442 442  )))
494 +)))
443 443  
444 444  (((
445 445  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -450,9 +450,13 @@
450 450  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
451 451  
452 452  
505 +(((
453 453  **LT22222-L**: This mode the DI1 is used as a counting pin.
507 +)))
454 454  
509 +(((
455 455  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.
511 +)))
456 456  
457 457  [[image:image-20220523181903-8.png]]
458 458  
... ... @@ -468,7 +468,7 @@
468 468  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
469 469  
470 470  (((
471 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
527 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
472 472  )))
473 473  
474 474  (((
... ... @@ -480,14 +480,17 @@
480 480  (% class="box infomessage" %)
481 481  (((
482 482  (((
539 +(((
483 483  **AT+MOD=4**
541 +)))
484 484  
543 +(((
485 485  **ATZ**
486 486  )))
487 487  )))
547 +)))
488 488  
489 489  
490 -
491 491  (((
492 492  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
493 493  )))
... ... @@ -529,7 +529,7 @@
529 529  )))
530 530  
531 531  (((
532 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
591 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
533 533  )))
534 534  
535 535  (((
... ... @@ -541,11 +541,15 @@
541 541  (% class="box infomessage" %)
542 542  (((
543 543  (((
603 +(((
544 544  **AT+MOD=5**
605 +)))
545 545  
607 +(((
546 546  **ATZ**
547 547  )))
548 548  )))
611 +)))
549 549  
550 550  (((
551 551  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -560,8 +560,8 @@
560 560  
561 561  For example, if user has configured below commands:
562 562  
563 -* **AT+MOD=1 ** **~-~->** The normal working mode
564 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
626 +* **AT+MOD=1 ** **~-~->**  The normal working mode
627 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
565 565  
566 566  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
567 567  
... ... @@ -570,10 +570,12 @@
570 570  
571 571  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
572 572  
636 +
573 573  (% style="color:#4f81bd" %)**Trigger base on voltage**:
574 574  
575 575  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
576 576  
641 +
577 577  **Example:**
578 578  
579 579  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)
... ... @@ -586,6 +586,7 @@
586 586  
587 587  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
588 588  
654 +
589 589  **Example:**
590 590  
591 591  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -604,6 +604,7 @@
604 604  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
605 605  
606 606  
673 +
607 607  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
608 608  
609 609  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -652,6 +652,7 @@
652 652  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
653 653  
654 654  
722 +
655 655  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
656 656  
657 657  [[image:image-20220524090249-3.png]]
... ... @@ -663,6 +663,7 @@
663 663  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
664 664  
665 665  
734 +
666 666  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
667 667  
668 668  [[image:image-20220524090456-4.png]]
... ... @@ -676,6 +676,7 @@
676 676  00000101: Means both DI1 and DI2 trigger are enabled.
677 677  
678 678  
748 +
679 679  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
680 680  
681 681  Downlink command to poll MOD6 status:
... ... @@ -691,41 +691,50 @@
691 691  (((
692 692  
693 693  
694 -**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/]]
695 -
696 -
764 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
697 697  )))
698 698  
699 699  
768 +
700 700  == 3.4 ​Configure LT via AT or Downlink ==
701 701  
771 +
772 +(((
702 702  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
774 +)))
703 703  
704 704  (((
777 +(((
705 705  There are two kinds of Commands:
706 706  )))
780 +)))
707 707  
708 -* (% 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]]
782 +* (% style="color:blue" %)**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]]
709 709  
710 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
784 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
711 711  
712 712  
713 713  
714 714  === 3.4.1 Common Commands ===
715 715  
790 +
791 +(((
716 716  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]]
793 +)))
717 717  
718 718  
719 719  
720 720  === 3.4.2 Sensor related commands ===
721 721  
799 +
722 722  ==== 3.4.2.1 Set Transmit Interval ====
723 723  
802 +
724 724  Set device uplink interval.
725 725  
726 726  * (% style="color:#037691" %)**AT Command:**
727 727  
728 -**AT+TDC=N **
807 +**(% style="color:blue" %)AT+TDC=N **
729 729  
730 730  
731 731  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -733,7 +733,7 @@
733 733  
734 734  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
735 735  
736 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
815 +**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
737 737  
738 738  
739 739  
... ... @@ -740,11 +740,12 @@
740 740  
741 741  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
742 742  
822 +
743 743  Set work mode.
744 744  
745 745  * (% style="color:#037691" %)**AT Command:**
746 746  
747 -**AT+MOD=N  **
827 +**(% style="color:blue" %)AT+MOD=N  **
748 748  
749 749  
750 750  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -752,7 +752,7 @@
752 752  
753 753  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
754 754  
755 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
835 +**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
756 756  
757 757  
758 758  
... ... @@ -759,6 +759,7 @@
759 759  
760 760  ==== 3.4.2.3 Poll an uplink ====
761 761  
842 +
762 762  * (% style="color:#037691" %)**AT Command:**
763 763  
764 764  There is no AT Command to poll uplink
... ... @@ -766,28 +766,31 @@
766 766  
767 767  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
768 768  
769 -**0x08 FF     **~/~/ Poll an uplink
850 +**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
770 770  
852 +
771 771  **Example**: 0x08FF, ask device to send an Uplink
772 772  
773 773  
774 774  
857 +
775 775  ==== 3.4.2.4 Enable Trigger Mode ====
776 776  
860 +
777 777  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
778 778  
779 779  * (% style="color:#037691" %)**AT Command:**
780 780  
781 -**AT+ADDMOD6=1 or 0**
865 +**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
782 782  
783 -1: Enable Trigger Mode
867 +**(% style="color:red" %)1:** Enable Trigger Mode
784 784  
785 -0: Disable Trigger Mode
869 +**(% style="color:red" %)0: **Disable Trigger Mode
786 786  
787 787  
788 788  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
789 789  
790 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
874 +**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
791 791  
792 792  
793 793  
... ... @@ -794,6 +794,7 @@
794 794  
795 795  ==== 3.4.2.5 Poll trigger settings ====
796 796  
881 +
797 797  Poll trigger settings,
798 798  
799 799  * (% style="color:#037691" %)**AT Command:**
... ... @@ -803,7 +803,7 @@
803 803  
804 804  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
805 805  
806 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
891 +**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
807 807  
808 808  
809 809  
... ... @@ -810,6 +810,7 @@
810 810  
811 811  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
812 812  
898 +
813 813  Enable Disable DI1/DI2/DI2 as trigger,
814 814  
815 815  * (% style="color:#037691" %)**AT Command:**
... ... @@ -823,7 +823,7 @@
823 823  
824 824  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
825 825  
826 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
912 +**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
827 827  
828 828  
829 829  
... ... @@ -830,11 +830,12 @@
830 830  
831 831  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
832 832  
919 +
833 833  Set DI1 or DI3(for LT-33222-L) trigger.
834 834  
835 835  * (% style="color:#037691" %)**AT Command:**
836 836  
837 -**AT+TRIG1=a,b**
924 +**(% style="color:blue" %)AT+TRIG1=a,b**
838 838  
839 839  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
840 840  
... ... @@ -851,6 +851,7 @@
851 851  
852 852  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
853 853  
941 +
854 854  Set DI2 trigger.
855 855  
856 856  * (% style="color:#037691" %)**AT Command:**
... ... @@ -877,6 +877,7 @@
877 877  
878 878  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
879 879  
968 +
880 880  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
881 881  
882 882  * (% style="color:#037691" %)**AT Command**
... ... @@ -893,6 +893,7 @@
893 893  
894 894  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
895 895  
985 +
896 896  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
897 897  
898 898  * (% style="color:#037691" %)**AT Command**
... ... @@ -909,6 +909,7 @@
909 909  
910 910  ==== 3.4.2.11 Trigger – Set minimum interval ====
911 911  
1002 +
912 912  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
913 913  
914 914  * (% style="color:#037691" %)**AT Command**
... ... @@ -923,13 +923,15 @@
923 923  (((
924 924  
925 925  
926 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1017 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
927 927  )))
928 928  
929 929  
930 930  
1022 +
931 931  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
932 932  
1025 +
933 933  * (% style="color:#037691" %)**AT Command**
934 934  
935 935  There is no AT Command to control Digital Output
... ... @@ -949,11 +949,11 @@
949 949  [[image:image-20220524092754-5.png]]
950 950  
951 951  (((
952 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1045 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
953 953  )))
954 954  
955 955  (((
956 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1049 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
957 957  )))
958 958  
959 959  
... ... @@ -961,6 +961,7 @@
961 961  
962 962  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
963 963  
1057 +
964 964  * (% style="color:#037691" %)**AT Command**
965 965  
966 966  There is no AT Command to control Digital Output
... ... @@ -997,11 +997,11 @@
997 997  [[image:image-20220524093351-8.png]]
998 998  
999 999  
1000 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1094 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1001 1001  
1002 1002   Latching time. Unit: ms
1003 1003  
1004 -Device will upload a packet if downlink code executes successfully.
1098 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1005 1005  
1006 1006  
1007 1007  **Example payload:**
... ... @@ -1027,6 +1027,7 @@
1027 1027  
1028 1028  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1029 1029  
1124 +
1030 1030  * (% style="color:#037691" %)**AT Command:**
1031 1031  
1032 1032  There is no AT Command to control Relay Output
... ... @@ -1049,7 +1049,7 @@
1049 1049  [[image:image-20220524093724-9.png]]
1050 1050  )))
1051 1051  
1052 -Device will upload a packet if downlink code executes successfully.
1147 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1053 1053  
1054 1054  
1055 1055  
... ... @@ -1056,6 +1056,7 @@
1056 1056  
1057 1057  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1058 1058  
1154 +
1059 1059  * (% style="color:#037691" %)**AT Command:**
1060 1060  
1061 1061  There is no AT Command to control Relay Output
... ... @@ -1079,37 +1079,37 @@
1079 1079  
1080 1080  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1081 1081  
1082 -[[image:image-20220524093831-10.png]]
1178 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1083 1083  
1084 1084  
1085 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1181 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1086 1086  
1087 -Device will upload a packet if downlink code executes successfully.
1183 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1088 1088  
1089 1089  
1090 1090  **Example payload:**
1091 1091  
1092 -**~1. 05 01 11 07 D0**
1188 +**~1. 05 01 11 07 D**
1093 1093  
1094 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1190 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1095 1095  
1096 1096  **2. 05 01 10 07 D0**
1097 1097  
1098 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1194 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1099 1099  
1100 1100  **3. 05 00 01 07 D0**
1101 1101  
1102 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1198 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1103 1103  
1104 1104  **4. 05 00 00 07 D0**
1105 1105  
1106 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1202 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1107 1107  
1108 1108  
1109 1109  
1110 -
1111 1111  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1112 1112  
1208 +
1113 1113  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1114 1114  
1115 1115  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1126,6 +1126,7 @@
1126 1126  
1127 1127  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1128 1128  
1225 +
1129 1129  * (% style="color:#037691" %)**AT Command:**
1130 1130  
1131 1131  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1148,6 +1148,7 @@
1148 1148  
1149 1149  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1150 1150  
1248 +
1151 1151  Clear counting for counting mode
1152 1152  
1153 1153  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1164,6 +1164,7 @@
1164 1164  
1165 1165  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1166 1166  
1265 +
1167 1167  * (% style="color:#037691" %)**AT Command:**
1168 1168  
1169 1169  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1176,13 +1176,127 @@
1176 1176  (((
1177 1177  range: aa bb cc:0 to 16777215,  (unit:second)
1178 1178  
1278 +
1279 +
1179 1179  
1180 1180  )))
1181 1181  
1283 +==== 3.4.2.20 Reset save DR DO state ====
1182 1182  
1183 1183  
1286 +* (% style="color:#037691" %)**AT Command:**
1287 +
1288 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1289 +
1290 +**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.
1291 +
1292 +
1293 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1294 +
1295 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1296 +
1297 +(((
1298 +
1299 +
1300 +
1301 +
1302 +==== 3.4.2.21 Encrypted payload ====
1303 +
1304 +
1305 +* (% style="color:#037691" %)**AT Command:**
1306 +
1307 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1308 +
1309 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1310 +
1311 +
1312 +
1313 +
1314 +==== 3.4.2.22 Get sensor value ====
1315 +
1316 +
1317 +* (% style="color:#037691" %)**AT Command:**
1318 +
1319 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1320 +
1321 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1322 +
1323 +
1324 +
1325 +
1326 +==== 3.4.2.23 Resets the downlink packet count ====
1327 +
1328 +
1329 +* (% style="color:#037691" %)**AT Command:**
1330 +
1331 +**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)
1332 +
1333 +**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.
1334 +
1335 +
1336 +
1337 +
1338 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1339 +
1340 +
1341 +* (% style="color:#037691" %)**AT Command:**
1342 +
1343 + **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)
1344 +
1345 + **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.
1346 +
1347 +
1348 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1349 +
1350 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1351 +
1352 +
1353 +
1354 +
1355 +==== 3.4.2.25 Copy downlink to uplink ====
1356 +
1357 +
1358 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1359 +
1360 + **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.
1361 +
1362 +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.
1363 +
1364 +
1365 +[[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"]]
1366 +
1367 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1368 +
1369 +
1370 +
1371 +[[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"]]
1372 +
1373 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1374 +
1375 +
1376 +
1377 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1378 +
1379 +
1380 +* (((
1381 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1382 +
1383 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1384 +
1385 +
1386 +)))
1387 +
1388 +**Example：**
1389 +
1390 +[[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"]]
1391 +
1392 +
1393 +
1394 +)))
1395 +
1184 1184  == 3.5 Integrate with Mydevice ==
1185 1185  
1398 +
1186 1186  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:
1187 1187  
1188 1188  (((
... ... @@ -1191,14 +1191,15 @@
1191 1191  
1192 1192  (((
1193 1193  (% 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:
1407 +
1408 +
1194 1194  )))
1195 1195  
1196 -[[image:1653356737703-362.png||height="232" width="732"]]
1411 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1197 1197  
1198 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1199 1199  
1200 1200  
1201 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1415 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1202 1202  
1203 1203  
1204 1204  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1231,8 +1231,10 @@
1231 1231  
1232 1232  == 3.6 Interface Detail ==
1233 1233  
1448 +
1234 1234  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1235 1235  
1451 +
1236 1236  Support NPN Type sensor
1237 1237  
1238 1238  [[image:1653356991268-289.png]]
... ... @@ -1241,6 +1241,7 @@
1241 1241  
1242 1242  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1243 1243  
1460 +
1244 1244  (((
1245 1245  The DI port of LT-22222-L can support NPN or PNP output sensor.
1246 1246  )))
... ... @@ -1247,7 +1247,9 @@
1247 1247  
1248 1248  (((
1249 1249  (((
1250 -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
1467 +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.
1468 +
1469 +
1251 1251  )))
1252 1252  )))
1253 1253  
... ... @@ -1272,10 +1272,10 @@
1272 1272  )))
1273 1273  
1274 1274  * (((
1275 -Connect sensor’s output to DI1-
1494 +Connect sensor's output to DI1-
1276 1276  )))
1277 1277  * (((
1278 -Connect sensor’s VCC to DI1+.
1497 +Connect sensor's VCC to DI1+.
1279 1279  )))
1280 1280  
1281 1281  (((
... ... @@ -1283,15 +1283,17 @@
1283 1283  )))
1284 1284  
1285 1285  (((
1286 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1505 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1287 1287  )))
1288 1288  
1289 1289  (((
1290 -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.
1509 +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.
1291 1291  )))
1292 1292  
1293 1293  (((
1294 1294  
1514 +
1515 +
1295 1295  )))
1296 1296  
1297 1297  (((
... ... @@ -1303,10 +1303,10 @@
1303 1303  )))
1304 1304  
1305 1305  * (((
1306 -Connect sensor’s output to DI1+
1527 +Connect sensor's output to DI1+
1307 1307  )))
1308 1308  * (((
1309 -Connect sensor’s GND DI1-.
1530 +Connect sensor's GND DI1-.
1310 1310  )))
1311 1311  
1312 1312  (((
... ... @@ -1323,6 +1323,8 @@
1323 1323  
1324 1324  (((
1325 1325  
1547 +
1548 +
1326 1326  )))
1327 1327  
1328 1328  (((
... ... @@ -1334,10 +1334,10 @@
1334 1334  )))
1335 1335  
1336 1336  * (((
1337 -Connect sensor’s output to DI1+ with a serial 50K resistor
1560 +Connect sensor's output to DI1+ with a serial 50K resistor
1338 1338  )))
1339 1339  * (((
1340 -Connect sensor’s GND DI1-.
1563 +Connect sensor's GND DI1-.
1341 1341  )))
1342 1342  
1343 1343  (((
... ... @@ -1356,6 +1356,7 @@
1356 1356  
1357 1357  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1358 1358  
1582 +
1359 1359  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1360 1360  
1361 1361  [[image:1653357531600-905.png]]
... ... @@ -1364,6 +1364,7 @@
1364 1364  
1365 1365  === 3.6.4 Analog Input Interface ===
1366 1366  
1591 +
1367 1367  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:
1368 1368  
1369 1369  
... ... @@ -1376,13 +1376,13 @@
1376 1376  We take the wind speed sensor as an example for reference only.
1377 1377  
1378 1378  
1379 -**Specifications of the wind speed sensor:**
1604 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1380 1380  
1381 -Red:  12~~24v
1606 +**Red:  12~~24v**
1382 1382  
1383 -Yellow:  4~~20mA
1608 +**Yellow:  4~~20mA**
1384 1384  
1385 -Black:  GND
1610 +**Black:  GND**
1386 1386  
1387 1387  
1388 1388  **Connection diagram:**
... ... @@ -1395,6 +1395,7 @@
1395 1395  
1396 1396  === 3.6.5 Relay Output ===
1397 1397  
1623 +
1398 1398  (((
1399 1399  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:
1400 1400  )))
... ... @@ -1401,6 +1401,7 @@
1401 1401  
1402 1402  [[image:image-20220524100215-9.png]]
1403 1403  
1630 +
1404 1404  [[image:image-20220524100215-10.png||height="382" width="723"]]
1405 1405  
1406 1406  
... ... @@ -1407,6 +1407,7 @@
1407 1407  
1408 1408  == 3.7 LEDs Indicators ==
1409 1409  
1637 +
1410 1410  [[image:image-20220524100748-11.png]]
1411 1411  
1412 1412  
... ... @@ -1413,10 +1413,18 @@
1413 1413  
1414 1414  = 4. Use AT Command =
1415 1415  
1644 +
1416 1416  == 4.1 Access AT Command ==
1417 1417  
1647 +
1648 +(((
1418 1418  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.
1650 +)))
1419 1419  
1652 +(((
1653 +
1654 +)))
1655 +
1420 1420  [[image:1653358238933-385.png]]
1421 1421  
1422 1422  
... ... @@ -1444,7 +1444,7 @@
1444 1444  )))
1445 1445  
1446 1446  (((
1447 -AT+<CMD>=?       : Get the value
1683 +AT+<CMD>=?       :  Get the value
1448 1448  )))
1449 1449  
1450 1450  (((
... ... @@ -1472,11 +1472,11 @@
1472 1472  )))
1473 1473  
1474 1474  (((
1475 -AT+APPSKEY: Get or Set the Application Session Key
1711 +AT+APPSKEY:  Get or Set the Application Session Key
1476 1476  )))
1477 1477  
1478 1478  (((
1479 -AT+APPEUI: Get or Set the Application EUI
1715 +AT+APPEUI:  Get or Set the Application EUI
1480 1480  )))
1481 1481  
1482 1482  (((
... ... @@ -1488,7 +1488,7 @@
1488 1488  )))
1489 1489  
1490 1490  (((
1491 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1727 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1492 1492  )))
1493 1493  
1494 1494  (((
... ... @@ -1524,7 +1524,7 @@
1524 1524  )))
1525 1525  
1526 1526  (((
1527 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1763 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1528 1528  )))
1529 1529  
1530 1530  (((
... ... @@ -1568,7 +1568,7 @@
1568 1568  )))
1569 1569  
1570 1570  (((
1571 -AT+VER: Get current image version and Frequency Band
1807 +AT+VER:  Get current image version and Frequency Band
1572 1572  )))
1573 1573  
1574 1574  (((
... ... @@ -1576,7 +1576,7 @@
1576 1576  )))
1577 1577  
1578 1578  (((
1579 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1815 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1580 1580  )))
1581 1581  
1582 1582  (((
... ... @@ -1619,45 +1619,48 @@
1619 1619  
1620 1620  == 4.2 Common AT Command Sequence ==
1621 1621  
1858 +
1622 1622  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1623 1623  
1624 1624  (((
1625 1625  
1626 1626  
1627 -**If device has not joined network yet:**
1864 +(((
1865 +(% style="color:blue" %)**If device has not joined network yet:**
1628 1628  )))
1867 +)))
1629 1629  
1630 1630  (((
1631 -(% style="background-color:#dcdcdc" %)123456
1870 +(% style="background-color:#dcdcdc" %)**123456**
1632 1632  )))
1633 1633  
1634 1634  (((
1635 -(% style="background-color:#dcdcdc" %)AT+FDR
1874 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1636 1636  )))
1637 1637  
1638 1638  (((
1639 -(% style="background-color:#dcdcdc" %)123456
1878 +(% style="background-color:#dcdcdc" %)**123456**
1640 1640  )))
1641 1641  
1642 1642  (((
1643 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1882 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1644 1644  )))
1645 1645  
1646 1646  (((
1647 -(% style="background-color:#dcdcdc" %)ATZ
1886 +(% style="background-color:#dcdcdc" %)**ATZ**
1648 1648  )))
1649 1649  
1650 1650  
1651 1651  (((
1652 -**If device already joined network:**
1891 +(% style="color:blue" %)**If device already joined network:**
1653 1653  )))
1654 1654  
1655 1655  (((
1656 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1895 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1657 1657  )))
1658 1658  
1659 1659  (((
1660 -(% style="background-color:#dcdcdc" %)ATZ
1899 +(% style="background-color:#dcdcdc" %)**ATZ**
1661 1661  )))
1662 1662  
1663 1663  
... ... @@ -1667,55 +1667,57 @@
1667 1667  (((
1668 1668  
1669 1669  
1670 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1909 +(((
1910 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1671 1671  )))
1912 +)))
1672 1672  
1673 1673  (((
1674 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1915 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1675 1675  )))
1676 1676  
1677 1677  (((
1678 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1919 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1679 1679  )))
1680 1680  
1681 1681  (((
1682 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1923 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1683 1683  )))
1684 1684  
1685 1685  (((
1686 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1927 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1687 1687  )))
1688 1688  
1689 1689  (((
1690 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1931 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1691 1691  )))
1692 1692  
1693 1693  (((
1694 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1935 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1695 1695  )))
1696 1696  
1697 1697  (((
1698 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1939 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1699 1699  )))
1700 1700  
1701 1701  (((
1702 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1943 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1703 1703  )))
1704 1704  
1705 1705  (((
1706 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1947 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1707 1707  )))
1708 1708  
1709 1709  (((
1710 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1951 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1711 1711  )))
1712 1712  
1713 1713  (((
1714 -(% 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.
1955 +(% 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.
1715 1715  )))
1716 1716  
1717 1717  (((
1718 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1959 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1719 1719  
1720 1720  
1721 1721  )))
... ... @@ -1725,10 +1725,16 @@
1725 1725  )))
1726 1726  
1727 1727  (((
1728 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1729 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1730 -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.
1731 -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
1969 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1970 +
1971 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1972 +
1973 +**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?
1974 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1975 +
1976 +**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**
1977 +
1978 +
1732 1732  )))
1733 1733  
1734 1734  (((
... ... @@ -1742,13 +1742,19 @@
1742 1742  
1743 1743  === 4.2.3 Change to Class A ===
1744 1744  
1745 -If sensor JOINED
1746 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1747 -ATZ
1748 1748  
1993 +(((
1994 +(% style="color:blue" %)If sensor JOINED:
1749 1749  
1996 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1997 +ATZ**
1998 +)))
1999 +
2000 +
2001 +
1750 1750  = 5. FAQ =
1751 1751  
2004 +
1752 1752  == 5.1 How to upgrade the image? ==
1753 1753  
1754 1754  
... ... @@ -1765,14 +1765,18 @@
1765 1765  
1766 1766  (((
1767 1767  (% 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]].
1768 -(% 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/]].
2021 +(% 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]].
1769 1769  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1770 1770  
1771 1771  
2025 +(((
1772 1772  (% style="color:blue" %)**For LT-22222-L**(%%):
1773 -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.
2027 +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.
1774 1774  )))
1775 1775  
2030 +
2031 +)))
2032 +
1776 1776   [[image:image-20220524103407-12.png]]
1777 1777  
1778 1778  [[image:image-20220524103429-13.png]]
... ... @@ -1782,6 +1782,7 @@
1782 1782  
1783 1783  (% 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:
1784 1784  
2042 +
1785 1785  [[image:1653360054704-518.png||height="186" width="745"]]
1786 1786  
1787 1787  
... ... @@ -1790,6 +1790,8 @@
1790 1790  
1791 1791  
1792 1792  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2051 +
2052 +
1793 1793  )))
1794 1794  )))
1795 1795  
... ... @@ -1800,7 +1800,10 @@
1800 1800  (((
1801 1801  
1802 1802  
2063 +
1803 1803  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2065 +
2066 +
1804 1804  )))
1805 1805  
1806 1806  (((
... ... @@ -1813,38 +1813,45 @@
1813 1813  (((
1814 1814  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1815 1815  
2079 +
1816 1816  
1817 1817  )))
1818 1818  )))
1819 1819  
1820 1820  (((
1821 -(% 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.
2085 +(% 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.
2086 +
2087 +
1822 1822  )))
1823 1823  
1824 1824  (((
1825 1825  [[image:1653360231087-571.png||height="401" width="727"]]
2092 +
2093 +
1826 1826  )))
1827 1827  
1828 1828  (((
1829 -(% 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.
2097 +(% 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.**
1830 1830  )))
1831 1831  
1832 1832  
2101 +
1833 1833  (((
1834 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2103 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2104 +
2105 +
1835 1835  )))
1836 1836  
1837 1837  (((
1838 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1839 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1840 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1841 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1842 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1843 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1844 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1845 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1846 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1847 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2109 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2110 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2111 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2112 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2113 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2114 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2115 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2116 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2117 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1848 1848  )))
1849 1849  
1850 1850  
... ... @@ -1855,16 +1855,21 @@
1855 1855  [[image:1653360498588-932.png||height="485" width="726"]]
1856 1856  
1857 1857  
2128 +
1858 1858  == 5.4 Can I see counting event in Serial? ==
1859 1859  
2131 +
1860 1860  (((
1861 -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.
2133 +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.
1862 1862  
1863 1863  
2136 +
1864 1864  == 5.5 Can i use point to point communication for LT-22222-L? ==
1865 1865  
1866 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1867 1867  
2140 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2141 +
2142 +
1868 1868  
1869 1869  )))
1870 1870  
... ... @@ -1871,6 +1871,7 @@
1871 1871  (((
1872 1872  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1873 1873  
2149 +
1874 1874  If the device is not shut down, but directly powered off.
1875 1875  
1876 1876  It will default that this is a power-off state.
... ... @@ -1880,12 +1880,27 @@
1880 1880  After restart, the status before power failure will be read from flash.
1881 1881  
1882 1882  
2159 +
2160 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2161 +
2162 +
2163 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2164 +
2165 +
2166 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2167 +
2168 +
2169 +
1883 1883  = 6. Trouble Shooting =
2171 +
2172 +
1884 1884  )))
1885 1885  
1886 1886  (((
1887 1887  (((
1888 -== 6.1 Downlink doesn’t work, how to solve it? ==
2177 +== 6.1 Downlink doesn't work, how to solve it? ==
2178 +
2179 +
1889 1889  )))
1890 1890  )))
1891 1891  
... ... @@ -1896,7 +1896,10 @@
1896 1896  (((
1897 1897  
1898 1898  
2190 +
1899 1899  == 6.2 Have trouble to upload image. ==
2192 +
2193 +
1900 1900  )))
1901 1901  
1902 1902  (((
... ... @@ -1906,7 +1906,10 @@
1906 1906  (((
1907 1907  
1908 1908  
1909 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2203 +
2204 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2205 +
2206 +
1910 1910  )))
1911 1911  
1912 1912  (((
... ... @@ -1914,22 +1914,23 @@
1914 1914  )))
1915 1915  
1916 1916  
2214 +
1917 1917  = 7. Order Info =
1918 1918  
2217 +
1919 1919  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1920 1920  
1921 -
1922 1922  (% style="color:#4f81bd" %)**XXX:**
1923 1923  
1924 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1925 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1926 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1927 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1928 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1929 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1930 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1931 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1932 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2222 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2223 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2224 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2225 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2226 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2227 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2228 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2229 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2230 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1933 1933  
1934 1934  = 8. Packing Info =
1935 1935  
... ... @@ -1950,6 +1950,7 @@
1950 1950  
1951 1951  = 9. Support =
1952 1952  
2251 +
1953 1953  * (((
1954 1954  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.
1955 1955  )))
... ... @@ -1963,7 +1963,7 @@
1963 1963  
1964 1964  = 10. Reference​​​​​ =
1965 1965  
2265 +
1966 1966  * 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]]
1967 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1968 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2267 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1969 1969  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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