Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.10 >
edited by Xiaoling
on 2022/06/29 17:30
To version < 102.4 >
edited by Xiaoling
on 2022/10/29 10:05
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,13 +15,16 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
21 21  
22 22  
24 +(((
23 23  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.
24 24  )))
27 +)))
25 25  
26 26  (((
27 27  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.
... ... @@ -36,11 +36,13 @@
36 36  )))
37 37  
38 38  (((
39 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
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.
40 40  )))
41 41  
42 42  (((
43 43  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
47 +
48 +
44 44  )))
45 45  
46 46  (((
... ... @@ -55,7 +55,7 @@
55 55  (((
56 56  
57 57  
58 -**Hardware System:**
63 +(% style="color:#037691" %)**Hardware System:**
59 59  )))
60 60  
61 61  * (((
... ... @@ -80,7 +80,7 @@
80 80  (((
81 81  
82 82  
83 -**Interface for Model: LT22222-L:**
88 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
84 84  )))
85 85  
86 86  * (((
... ... @@ -105,7 +105,7 @@
105 105  (((
106 106  
107 107  
108 -**LoRa Spec:**
113 +(% style="color:#037691" %)**LoRa Spec:**
109 109  )))
110 110  
111 111  * (((
... ... @@ -166,21 +166,27 @@
166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
174 +
169 169  
170 170  )))
171 171  
172 172  == 1.3 Features ==
173 173  
180 +
174 174  * LoRaWAN Class A & Class C protocol
175 175  * Optional Customized LoRa Protocol
176 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
183 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
177 177  * AT Commands to change parameters
178 178  * Remote configure parameters via LoRa Downlink
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
189 +
190 +
191 +
182 182  == 1.4  Applications ==
183 183  
194 +
184 184  * Smart Buildings & Home Automation
185 185  * Logistics and Supply Chain Management
186 186  * Smart Metering
... ... @@ -188,8 +188,12 @@
188 188  * Smart Cities
189 189  * Smart Factory
190 190  
202 +
203 +
204 +
191 191  == 1.5 Hardware Variants ==
192 192  
207 +
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
194 194  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
195 195  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -201,12 +201,19 @@
201 201  * 1 x Counting Port
202 202  )))
203 203  
219 +
220 +
204 204  = 2. Power ON Device =
205 205  
223 +
224 +(((
206 206  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.
226 +)))
207 207  
208 208  (((
209 209  PWR will on when device is properly powered.
230 +
231 +
210 210  )))
211 211  
212 212  [[image:1653297104069-180.png]]
... ... @@ -215,8 +215,10 @@
215 215  
216 216  = 3. Operation Mode =
217 217  
240 +
218 218  == 3.1 How it works? ==
219 219  
243 +
220 220  (((
221 221  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. 
222 222  )))
... ... @@ -226,10 +226,14 @@
226 226  )))
227 227  
228 228  
253 +
229 229  == 3.2 Example to join LoRaWAN network ==
230 230  
256 +
231 231  (((
232 232  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. 
259 +
260 +
233 233  )))
234 234  
235 235  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -237,6 +237,8 @@
237 237  
238 238  (((
239 239  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:
268 +
269 +
240 240  )))
241 241  
242 242  (((
... ... @@ -252,18 +252,21 @@
252 252  
253 253  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
254 254  
255 -Add APP EUI in the application.
285 +**Add APP EUI in the application.**
256 256  
257 257  [[image:1653297955910-247.png||height="321" width="716"]]
258 258  
259 259  
260 -Add APP KEY and DEV EUI
290 +**Add APP KEY and DEV EUI**
261 261  
262 262  [[image:1653298023685-319.png]]
263 263  
264 264  
295 +
265 265  (((
266 266  (% 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.
298 +
299 +
267 267  )))
268 268  
269 269  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -272,6 +272,7 @@
272 272  
273 273  == 3.3 Uplink Payload ==
274 274  
308 +
275 275  There are five working modes + one interrupt mode on LT for different type application:
276 276  
277 277  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -281,11 +281,12 @@
281 281  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 282  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
284 -
285 -
286 286  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
287 287  
320 +
321 +(((
288 288  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
323 +)))
289 289  
290 290  [[image:image-20220523174024-3.png]]
291 291  
... ... @@ -301,7 +301,7 @@
301 301  * DI is for digital input. DIx=1: high or float, DIx=0: low.
302 302  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
303 303  
304 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
339 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
305 305  
306 306  For example if payload is: [[image:image-20220523175847-2.png]]
307 307  
... ... @@ -321,8 +321,6 @@
321 321  * [1] RO1 relay channel is close and the RO1 LED is ON.
322 322  * [0] RO2 relay channel is open and RO2 LED is OFF;
323 323  
324 -
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,12 +338,12 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  
377 +(((
346 346  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
379 +)))
347 347  
348 348  (((
349 349  Total : 11 bytes payload
... ... @@ -363,7 +363,7 @@
363 363  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
364 364  
365 365  (((
366 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
399 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
367 367  )))
368 368  
369 369  (((
... ... @@ -375,16 +375,22 @@
375 375  (% class="box infomessage" %)
376 376  (((
377 377  (((
411 +(((
378 378  **AT+MOD=2**
413 +)))
379 379  
415 +(((
380 380  **ATZ**
381 381  )))
382 382  )))
419 +)))
383 383  
384 384  (((
385 385  
386 386  
387 387  (% style="color:#4f81bd" %)**AT Commands for counting:**
425 +
426 +
388 388  )))
389 389  
390 390  (((
... ... @@ -408,6 +408,7 @@
408 408  
409 409  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
410 410  
450 +
411 411  **LT22222-L**: This mode the DI1 is used as a counting pin.
412 412  
413 413  [[image:image-20220523181246-5.png]]
... ... @@ -425,7 +425,7 @@
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.
468 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
429 429  )))
430 430  
431 431  
... ... @@ -436,11 +436,15 @@
436 436  (% class="box infomessage" %)
437 437  (((
438 438  (((
479 +(((
439 439  **AT+MOD=3**
481 +)))
440 440  
483 +(((
441 441  **ATZ**
442 442  )))
443 443  )))
487 +)))
444 444  
445 445  (((
446 446  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -451,9 +451,13 @@
451 451  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
452 452  
453 453  
498 +(((
454 454  **LT22222-L**: This mode the DI1 is used as a counting pin.
500 +)))
455 455  
502 +(((
456 456  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.
504 +)))
457 457  
458 458  [[image:image-20220523181903-8.png]]
459 459  
... ... @@ -469,7 +469,7 @@
469 469  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
470 470  
471 471  (((
472 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
520 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
473 473  )))
474 474  
475 475  (((
... ... @@ -481,14 +481,17 @@
481 481  (% class="box infomessage" %)
482 482  (((
483 483  (((
532 +(((
484 484  **AT+MOD=4**
534 +)))
485 485  
536 +(((
486 486  **ATZ**
487 487  )))
488 488  )))
540 +)))
489 489  
490 490  
491 -
492 492  (((
493 493  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
494 494  )))
... ... @@ -530,7 +530,7 @@
530 530  )))
531 531  
532 532  (((
533 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
584 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
534 534  )))
535 535  
536 536  (((
... ... @@ -542,11 +542,15 @@
542 542  (% class="box infomessage" %)
543 543  (((
544 544  (((
596 +(((
545 545  **AT+MOD=5**
598 +)))
546 546  
600 +(((
547 547  **ATZ**
548 548  )))
549 549  )))
604 +)))
550 550  
551 551  (((
552 552  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -569,7 +569,6 @@
569 569  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
570 570  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
571 571  
572 -
573 573  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
574 574  
575 575  
... ... @@ -577,6 +577,7 @@
577 577  
578 578  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
579 579  
634 +
580 580  **Example:**
581 581  
582 582  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)
... ... @@ -589,6 +589,7 @@
589 589  
590 590  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
591 591  
647 +
592 592  **Example:**
593 593  
594 594  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -607,6 +607,7 @@
607 607  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
608 608  
609 609  
666 +
610 610  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
611 611  
612 612  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -655,6 +655,7 @@
655 655  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
656 656  
657 657  
715 +
658 658  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
659 659  
660 660  [[image:image-20220524090249-3.png]]
... ... @@ -666,6 +666,7 @@
666 666  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
667 667  
668 668  
727 +
669 669  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
670 670  
671 671  [[image:image-20220524090456-4.png]]
... ... @@ -679,6 +679,7 @@
679 679  00000101: Means both DI1 and DI2 trigger are enabled.
680 680  
681 681  
741 +
682 682  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
683 683  
684 684  Downlink command to poll MOD6 status:
... ... @@ -694,41 +694,51 @@
694 694  (((
695 695  
696 696  
697 -**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/]]
698 -
699 -
757 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
700 700  )))
701 701  
702 702  
761 +
703 703  == 3.4 ​Configure LT via AT or Downlink ==
704 704  
764 +
765 +(((
705 705  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
767 +)))
706 706  
707 707  (((
770 +(((
708 708  There are two kinds of Commands:
709 709  )))
773 +)))
710 710  
711 -* (% 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]]
775 +* (% 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]]
712 712  
713 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
777 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
714 714  
715 715  
716 716  
781 +
717 717  === 3.4.1 Common Commands ===
718 718  
784 +
785 +(((
719 719  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]]
787 +)))
720 720  
721 721  
722 722  
723 723  === 3.4.2 Sensor related commands ===
724 724  
793 +
725 725  ==== 3.4.2.1 Set Transmit Interval ====
726 726  
796 +
727 727  Set device uplink interval.
728 728  
729 729  * (% style="color:#037691" %)**AT Command:**
730 730  
731 -**AT+TDC=N **
801 +(% style="color:blue" %)**AT+TDC=N **
732 732  
733 733  
734 734  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -736,18 +736,18 @@
736 736  
737 737  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
738 738  
739 -**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
809 +(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
740 740  
741 741  
742 742  
743 -
744 744  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
745 745  
815 +
746 746  Set work mode.
747 747  
748 748  * (% style="color:#037691" %)**AT Command:**
749 749  
750 -**AT+MOD=N  **
820 +(% style="color:blue" %)**AT+MOD=N  **
751 751  
752 752  
753 753  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -755,13 +755,13 @@
755 755  
756 756  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
757 757  
758 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
828 +(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
759 759  
760 760  
761 761  
762 -
763 763  ==== 3.4.2.3 Poll an uplink ====
764 764  
834 +
765 765  * (% style="color:#037691" %)**AT Command:**
766 766  
767 767  There is no AT Command to poll uplink
... ... @@ -769,8 +769,9 @@
769 769  
770 770  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
771 771  
772 -**0x08 FF     **~/~/ Poll an uplink
842 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
773 773  
844 +
774 774  **Example**: 0x08FF, ask device to send an Uplink
775 775  
776 776  
... ... @@ -777,20 +777,21 @@
777 777  
778 778  ==== 3.4.2.4 Enable Trigger Mode ====
779 779  
851 +
780 780  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
781 781  
782 782  * (% style="color:#037691" %)**AT Command:**
783 783  
784 -**AT+ADDMOD6=1 or 0**
856 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
785 785  
786 -1: Enable Trigger Mode
858 +(% style="color:red" %)**1:** (%%)Enable Trigger Mode
787 787  
788 -0: Disable Trigger Mode
860 +(% style="color:red" %)**0: **(%%)Disable Trigger Mode
789 789  
790 790  
791 791  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
792 792  
793 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
865 +(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
794 794  
795 795  
796 796  
... ... @@ -797,6 +797,7 @@
797 797  
798 798  ==== 3.4.2.5 Poll trigger settings ====
799 799  
872 +
800 800  Poll trigger settings,
801 801  
802 802  * (% style="color:#037691" %)**AT Command:**
... ... @@ -806,18 +806,18 @@
806 806  
807 807  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
808 808  
809 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
882 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
810 810  
811 811  
812 812  
813 -
814 814  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
815 815  
888 +
816 816  Enable Disable DI1/DI2/DI2 as trigger,
817 817  
818 818  * (% style="color:#037691" %)**AT Command:**
819 819  
820 -**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
893 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
821 821  
822 822  
823 823  **Example:**
... ... @@ -826,22 +826,22 @@
826 826  
827 827  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
828 828  
829 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
902 +(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
830 830  
831 831  
832 832  
833 -
834 834  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
835 835  
908 +
836 836  Set DI1 or DI3(for LT-33222-L) trigger.
837 837  
838 838  * (% style="color:#037691" %)**AT Command:**
839 839  
840 -**AT+TRIG1=a,b**
913 +(% style="color:blue" %)**AT+TRIG1=a,b**
841 841  
842 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
915 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
843 843  
844 -b : delay timing.
917 +(% style="color:red" %)**b :** (%%)delay timing.
845 845  
846 846  
847 847  **Example:**
... ... @@ -850,22 +850,25 @@
850 850  
851 851  
852 852  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
853 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
854 854  
927 +(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
928 +
929 +
930 +
855 855  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
856 856  
933 +
857 857  Set DI2 trigger.
858 858  
859 859  * (% style="color:#037691" %)**AT Command:**
860 860  
861 -**AT+TRIG2=a,b**
938 +(% style="color:blue" %)**AT+TRIG2=a,b**
862 862  
940 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
863 863  
864 -a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
942 +(% style="color:red" %)**b :** (%%)delay timing.
865 865  
866 -b : delay timing.
867 867  
868 -
869 869  **Example:**
870 870  
871 871  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -873,60 +873,60 @@
873 873  
874 874  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
875 875  
876 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
952 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
877 877  
878 878  
879 879  
880 -
881 881  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
882 882  
958 +
883 883  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
884 884  
885 885  * (% style="color:#037691" %)**AT Command**
886 886  
887 -**AT+ACLIM**
963 +(% style="color:blue" %)**AT+ACLIM**
888 888  
889 889  
890 890  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
891 891  
892 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
968 +(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893 893  
894 894  
895 895  
896 -
897 897  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
898 898  
974 +
899 899  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
900 900  
901 901  * (% style="color:#037691" %)**AT Command**
902 902  
903 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
979 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
904 904  
905 905  
906 906  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
907 907  
908 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
984 +(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
909 909  
910 910  
911 911  
912 -
913 913  ==== 3.4.2.11 Trigger – Set minimum interval ====
914 914  
990 +
915 915  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
916 916  
917 917  * (% style="color:#037691" %)**AT Command**
918 918  
919 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
995 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
920 920  
921 921  
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
923 923  
924 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1000 +(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
925 925  
926 926  (((
927 927  
928 928  
929 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1005 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
930 930  )))
931 931  
932 932  
... ... @@ -933,6 +933,7 @@
933 933  
934 934  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
935 935  
1012 +
936 936  * (% style="color:#037691" %)**AT Command**
937 937  
938 938  There is no AT Command to control Digital Output
... ... @@ -939,7 +939,7 @@
939 939  
940 940  
941 941  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
942 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1019 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
943 943  
944 944  (((
945 945  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -952,18 +952,18 @@
952 952  [[image:image-20220524092754-5.png]]
953 953  
954 954  (((
955 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1032 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
956 956  )))
957 957  
958 958  (((
959 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1036 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
960 960  )))
961 961  
962 962  
963 963  
964 -
965 965  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
966 966  
1043 +
967 967  * (% style="color:#037691" %)**AT Command**
968 968  
969 969  There is no AT Command to control Digital Output
... ... @@ -971,7 +971,7 @@
971 971  
972 972  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
973 973  
974 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1051 +(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
975 975  
976 976  
977 977  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1000,11 +1000,11 @@
1000 1000  [[image:image-20220524093351-8.png]]
1001 1001  
1002 1002  
1003 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1004 1004  
1005 1005   Latching time. Unit: ms
1006 1006  
1007 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1008 1008  
1009 1009  
1010 1010  **Example payload:**
... ... @@ -1027,9 +1027,9 @@
1027 1027  
1028 1028  
1029 1029  
1030 -
1031 1031  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1032 1032  
1109 +
1033 1033  * (% style="color:#037691" %)**AT Command:**
1034 1034  
1035 1035  There is no AT Command to control Relay Output
... ... @@ -1037,7 +1037,7 @@
1037 1037  
1038 1038  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1039 1039  
1040 -**0x03 aa bb     **~/~/ Set RO1/RO2 output
1117 +(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1041 1041  
1042 1042  
1043 1043  (((
... ... @@ -1052,7 +1052,7 @@
1052 1052  [[image:image-20220524093724-9.png]]
1053 1053  )))
1054 1054  
1055 -Device will upload a packet if downlink code executes successfully.
1132 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1056 1056  
1057 1057  
1058 1058  
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1061 1061  
1139 +
1062 1062  * (% style="color:#037691" %)**AT Command:**
1063 1063  
1064 1064  There is no AT Command to control Relay Output
... ... @@ -1066,7 +1066,7 @@
1066 1066  
1067 1067  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1068 1068  
1069 -**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1147 +(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1070 1070  
1071 1071  
1072 1072  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1082,110 +1082,211 @@
1082 1082  
1083 1083  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1084 1084  
1085 -[[image:image-20220524093831-10.png]]
1163 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1086 1086  
1087 1087  
1088 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1166 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1089 1089  
1090 -Device will upload a packet if downlink code executes successfully.
1168 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1091 1091  
1092 1092  
1093 1093  **Example payload:**
1094 1094  
1095 -**~1. 05 01 11 07 D0**
1173 +**~1. 05 01 11 07 D**
1096 1096  
1097 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1175 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1098 1098  
1099 1099  **2. 05 01 10 07 D0**
1100 1100  
1101 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1179 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1102 1102  
1103 1103  **3. 05 00 01 07 D0**
1104 1104  
1105 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1183 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1106 1106  
1107 1107  **4. 05 00 00 07 D0**
1108 1108  
1109 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1187 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1110 1110  
1111 1111  
1112 1112  
1113 -
1114 1114  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1115 1115  
1193 +
1116 1116  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1117 1117  
1118 1118  * (% style="color:#037691" %)**AT Command:**
1119 1119  
1120 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1198 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1121 1121  
1122 1122  
1123 1123  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1124 1124  
1125 -**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1203 +(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1126 1126  
1127 1127  
1128 1128  
1129 -
1130 1130  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1131 1131  
1209 +
1132 1132  * (% style="color:#037691" %)**AT Command:**
1133 1133  
1134 -**AT+SETCNT=aa,(bb cc dd ee) **
1212 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1135 1135  
1136 -aa: 1: Set count1,
1214 +(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1137 1137  
1138 -2: Set count2,
1216 +(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1139 1139  
1140 -3: Set AV1 count
1141 1141  
1142 -Bb cc dd ee: number to be set
1143 -
1144 -
1145 1145  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1146 1146  
1147 -**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1221 +(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1148 1148  
1149 1149  
1150 1150  
1151 -
1152 1152  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1153 1153  
1227 +
1154 1154  Clear counting for counting mode
1155 1155  
1156 1156  * (% style="color:#037691" %)**AT Command:**
1157 1157  
1158 -**AT+CLRCOUNT ** ~/~/ clear all counting
1232 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1159 1159  
1160 1160  
1161 1161  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1162 1162  
1163 -**0x A6 01    ** ~/~/ clear all counting
1237 +(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1164 1164  
1165 1165  
1166 1166  
1167 -
1168 1168  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1169 1169  
1243 +
1170 1170  * (% style="color:#037691" %)**AT Command:**
1171 1171  
1172 -**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1246 +(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1173 1173  
1174 1174  
1175 1175  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1176 1176  
1177 -**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1251 +(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1178 1178  
1179 1179  (((
1180 1180  range: aa bb cc:0 to 16777215,  (unit:second)
1255 +)))
1181 1181  
1257 +
1258 +
1259 +==== 3.4.2.20 Reset save DR DO state ====
1260 +
1261 +
1262 +* (% style="color:#037691" %)**AT Command:**
1263 +
1264 +(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1265 +
1266 +(% style="color:blue" %)**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.
1267 +
1268 +
1269 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1270 +
1271 +(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1272 +
1273 +
1274 +
1275 +==== 3.4.2.21 Encrypted payload ====
1276 +
1277 +
1278 +* (% style="color:#037691" %)**AT Command:**
1279 +
1280 +(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1281 +
1282 +(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1283 +
1284 +
1285 +
1286 +==== 3.4.2.22 Get sensor value ====
1287 +
1288 +
1289 +* (% style="color:#037691" %)**AT Command:**
1290 +
1291 +(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1292 +
1293 +(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1294 +
1295 +
1296 +
1297 +==== 3.4.2.23 Resets the downlink packet count ====
1298 +
1299 +
1300 +* (% style="color:#037691" %)**AT Command:**
1301 +
1302 +(% style="color:blue" %)**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)
1303 +
1304 +(% style="color:blue" %)**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.
1305 +
1306 +
1307 +
1308 +
1309 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1310 +
1311 +
1312 +* (% style="color:#037691" %)**AT Command:**
1313 +
1314 +(% style="color:blue" %)**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)
1315 +
1316 +(% style="color:blue" %)**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.
1317 +
1318 +
1319 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1320 +
1321 +(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1322 +
1323 +
1324 +
1325 +
1326 +==== 3.4.2.25 Copy downlink to uplink ====
1327 +
1328 +
1329 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1330 +
1331 +(% style="color:blue" %)**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.
1332 +
1333 +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.
1334 +
1335 +
1336 +[[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"]]
1337 +
1338 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1339 +
1340 +
1341 +
1342 +[[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"]]
1343 +
1344 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1345 +
1346 +
1347 +
1348 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1349 +
1350 +
1351 +* (((
1352 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1353 +
1354 +(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1355 +
1182 1182  
1183 1183  )))
1184 1184  
1359 +**Example：**
1185 1185  
1361 +[[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"]]
1186 1186  
1363 +
1364 +
1187 1187  == 3.5 Integrate with Mydevice ==
1188 1188  
1367 +
1189 1189  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:
1190 1190  
1191 1191  (((
... ... @@ -1194,14 +1194,15 @@
1194 1194  
1195 1195  (((
1196 1196  (% 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:
1376 +
1377 +
1197 1197  )))
1198 1198  
1199 -[[image:1653356737703-362.png||height="232" width="732"]]
1380 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1200 1200  
1201 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1202 1202  
1203 1203  
1204 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1384 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1205 1205  
1206 1206  
1207 1207  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1234,8 +1234,10 @@
1234 1234  
1235 1235  == 3.6 Interface Detail ==
1236 1236  
1417 +
1237 1237  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1238 1238  
1420 +
1239 1239  Support NPN Type sensor
1240 1240  
1241 1241  [[image:1653356991268-289.png]]
... ... @@ -1244,6 +1244,7 @@
1244 1244  
1245 1245  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1246 1246  
1429 +
1247 1247  (((
1248 1248  The DI port of LT-22222-L can support NPN or PNP output sensor.
1249 1249  )))
... ... @@ -1250,7 +1250,9 @@
1250 1250  
1251 1251  (((
1252 1252  (((
1253 -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
1436 +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.
1437 +
1438 +
1254 1254  )))
1255 1255  )))
1256 1256  
... ... @@ -1275,10 +1275,10 @@
1275 1275  )))
1276 1276  
1277 1277  * (((
1278 -Connect sensor’s output to DI1-
1463 +Connect sensor's output to DI1-
1279 1279  )))
1280 1280  * (((
1281 -Connect sensor’s VCC to DI1+.
1466 +Connect sensor's VCC to DI1+.
1282 1282  )))
1283 1283  
1284 1284  (((
... ... @@ -1286,15 +1286,17 @@
1286 1286  )))
1287 1287  
1288 1288  (((
1289 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1474 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1290 1290  )))
1291 1291  
1292 1292  (((
1293 -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.
1478 +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.
1294 1294  )))
1295 1295  
1296 1296  (((
1297 1297  
1483 +
1484 +
1298 1298  )))
1299 1299  
1300 1300  (((
... ... @@ -1306,10 +1306,10 @@
1306 1306  )))
1307 1307  
1308 1308  * (((
1309 -Connect sensor’s output to DI1+
1496 +Connect sensor's output to DI1+
1310 1310  )))
1311 1311  * (((
1312 -Connect sensor’s GND DI1-.
1499 +Connect sensor's GND DI1-.
1313 1313  )))
1314 1314  
1315 1315  (((
... ... @@ -1326,6 +1326,8 @@
1326 1326  
1327 1327  (((
1328 1328  
1516 +
1517 +
1329 1329  )))
1330 1330  
1331 1331  (((
... ... @@ -1337,10 +1337,10 @@
1337 1337  )))
1338 1338  
1339 1339  * (((
1340 -Connect sensor’s output to DI1+ with a serial 50K resistor
1529 +Connect sensor's output to DI1+ with a serial 50K resistor
1341 1341  )))
1342 1342  * (((
1343 -Connect sensor’s GND DI1-.
1532 +Connect sensor's GND DI1-.
1344 1344  )))
1345 1345  
1346 1346  (((
... ... @@ -1359,6 +1359,7 @@
1359 1359  
1360 1360  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1361 1361  
1551 +
1362 1362  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1363 1363  
1364 1364  [[image:1653357531600-905.png]]
... ... @@ -1367,6 +1367,7 @@
1367 1367  
1368 1368  === 3.6.4 Analog Input Interface ===
1369 1369  
1560 +
1370 1370  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:
1371 1371  
1372 1372  
... ... @@ -1379,13 +1379,13 @@
1379 1379  We take the wind speed sensor as an example for reference only.
1380 1380  
1381 1381  
1382 -**Specifications of the wind speed sensor:**
1573 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1383 1383  
1384 -Red:  12~~24v
1575 +**Red:  12~~24v**
1385 1385  
1386 -Yellow:  4~~20mA
1577 +**Yellow:  4~~20mA**
1387 1387  
1388 -Black:  GND
1579 +**Black:  GND**
1389 1389  
1390 1390  
1391 1391  **Connection diagram:**
... ... @@ -1398,6 +1398,7 @@
1398 1398  
1399 1399  === 3.6.5 Relay Output ===
1400 1400  
1592 +
1401 1401  (((
1402 1402  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:
1403 1403  )))
... ... @@ -1404,6 +1404,7 @@
1404 1404  
1405 1405  [[image:image-20220524100215-9.png]]
1406 1406  
1599 +
1407 1407  [[image:image-20220524100215-10.png||height="382" width="723"]]
1408 1408  
1409 1409  
... ... @@ -1410,6 +1410,7 @@
1410 1410  
1411 1411  == 3.7 LEDs Indicators ==
1412 1412  
1606 +
1413 1413  [[image:image-20220524100748-11.png]]
1414 1414  
1415 1415  
... ... @@ -1416,10 +1416,18 @@
1416 1416  
1417 1417  = 4. Use AT Command =
1418 1418  
1613 +
1419 1419  == 4.1 Access AT Command ==
1420 1420  
1616 +
1617 +(((
1421 1421  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.
1619 +)))
1422 1422  
1621 +(((
1622 +
1623 +)))
1624 +
1423 1423  [[image:1653358238933-385.png]]
1424 1424  
1425 1425  
... ... @@ -1447,7 +1447,7 @@
1447 1447  )))
1448 1448  
1449 1449  (((
1450 -AT+<CMD>=?       : Get the value
1652 +AT+<CMD>=?       :  Get the value
1451 1451  )))
1452 1452  
1453 1453  (((
... ... @@ -1475,11 +1475,11 @@
1475 1475  )))
1476 1476  
1477 1477  (((
1478 -AT+APPSKEY: Get or Set the Application Session Key
1680 +AT+APPSKEY:  Get or Set the Application Session Key
1479 1479  )))
1480 1480  
1481 1481  (((
1482 -AT+APPEUI: Get or Set the Application EUI
1684 +AT+APPEUI:  Get or Set the Application EUI
1483 1483  )))
1484 1484  
1485 1485  (((
... ... @@ -1491,7 +1491,7 @@
1491 1491  )))
1492 1492  
1493 1493  (((
1494 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1696 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1495 1495  )))
1496 1496  
1497 1497  (((
... ... @@ -1527,7 +1527,7 @@
1527 1527  )))
1528 1528  
1529 1529  (((
1530 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1732 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1531 1531  )))
1532 1532  
1533 1533  (((
... ... @@ -1571,7 +1571,7 @@
1571 1571  )))
1572 1572  
1573 1573  (((
1574 -AT+VER: Get current image version and Frequency Band
1776 +AT+VER:  Get current image version and Frequency Band
1575 1575  )))
1576 1576  
1577 1577  (((
... ... @@ -1579,7 +1579,7 @@
1579 1579  )))
1580 1580  
1581 1581  (((
1582 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1784 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1583 1583  )))
1584 1584  
1585 1585  (((
... ... @@ -1622,45 +1622,48 @@
1622 1622  
1623 1623  == 4.2 Common AT Command Sequence ==
1624 1624  
1827 +
1625 1625  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1626 1626  
1627 1627  (((
1628 1628  
1629 1629  
1630 -**If device has not joined network yet:**
1833 +(((
1834 +(% style="color:blue" %)**If device has not joined network yet:**
1631 1631  )))
1836 +)))
1632 1632  
1633 1633  (((
1634 -(% style="background-color:#dcdcdc" %)123456
1839 +(% style="background-color:#dcdcdc" %)**123456**
1635 1635  )))
1636 1636  
1637 1637  (((
1638 -(% style="background-color:#dcdcdc" %)AT+FDR
1843 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1639 1639  )))
1640 1640  
1641 1641  (((
1642 -(% style="background-color:#dcdcdc" %)123456
1847 +(% style="background-color:#dcdcdc" %)**123456**
1643 1643  )))
1644 1644  
1645 1645  (((
1646 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1851 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1647 1647  )))
1648 1648  
1649 1649  (((
1650 -(% style="background-color:#dcdcdc" %)ATZ
1855 +(% style="background-color:#dcdcdc" %)**ATZ**
1651 1651  )))
1652 1652  
1653 1653  
1654 1654  (((
1655 -**If device already joined network:**
1860 +(% style="color:blue" %)**If device already joined network:**
1656 1656  )))
1657 1657  
1658 1658  (((
1659 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1864 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1660 1660  )))
1661 1661  
1662 1662  (((
1663 -(% style="background-color:#dcdcdc" %)ATZ
1868 +(% style="background-color:#dcdcdc" %)**ATZ**
1664 1664  )))
1665 1665  
1666 1666  
... ... @@ -1670,55 +1670,57 @@
1670 1670  (((
1671 1671  
1672 1672  
1673 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1878 +(((
1879 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1674 1674  )))
1881 +)))
1675 1675  
1676 1676  (((
1677 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1884 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1678 1678  )))
1679 1679  
1680 1680  (((
1681 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1888 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1682 1682  )))
1683 1683  
1684 1684  (((
1685 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1892 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1686 1686  )))
1687 1687  
1688 1688  (((
1689 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1896 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1690 1690  )))
1691 1691  
1692 1692  (((
1693 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1900 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1694 1694  )))
1695 1695  
1696 1696  (((
1697 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1904 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1698 1698  )))
1699 1699  
1700 1700  (((
1701 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1908 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1702 1702  )))
1703 1703  
1704 1704  (((
1705 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1912 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1706 1706  )))
1707 1707  
1708 1708  (((
1709 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1916 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1710 1710  )))
1711 1711  
1712 1712  (((
1713 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1920 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1714 1714  )))
1715 1715  
1716 1716  (((
1717 -(% 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.
1924 +(% 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.
1718 1718  )))
1719 1719  
1720 1720  (((
1721 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1928 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1722 1722  
1723 1723  
1724 1724  )))
... ... @@ -1728,10 +1728,16 @@
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1732 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1733 -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.
1734 -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
1938 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1939 +
1940 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1941 +
1942 +**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?
1943 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1944 +
1945 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1946 +
1947 +
1735 1735  )))
1736 1736  
1737 1737  (((
... ... @@ -1745,13 +1745,19 @@
1745 1745  
1746 1746  === 4.2.3 Change to Class A ===
1747 1747  
1748 -If sensor JOINED
1749 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1750 -ATZ
1751 1751  
1962 +(((
1963 +(% style="color:blue" %)**If sensor JOINED:**
1752 1752  
1965 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1966 +ATZ**
1967 +)))
1968 +
1969 +
1970 +
1753 1753  = 5. FAQ =
1754 1754  
1973 +
1755 1755  == 5.1 How to upgrade the image? ==
1756 1756  
1757 1757  
... ... @@ -1768,14 +1768,18 @@
1768 1768  
1769 1769  (((
1770 1770  (% 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]].
1771 -(% 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/]].
1990 +(% 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]].
1772 1772  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1773 1773  
1774 1774  
1994 +(((
1775 1775  (% style="color:blue" %)**For LT-22222-L**(%%):
1776 -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.
1996 +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.
1777 1777  )))
1778 1778  
1999 +
2000 +)))
2001 +
1779 1779   [[image:image-20220524103407-12.png]]
1780 1780  
1781 1781  [[image:image-20220524103429-13.png]]
... ... @@ -1785,6 +1785,7 @@
1785 1785  
1786 1786  (% 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:
1787 1787  
2011 +
1788 1788  [[image:1653360054704-518.png||height="186" width="745"]]
1789 1789  
1790 1790  
... ... @@ -1793,6 +1793,8 @@
1793 1793  
1794 1794  
1795 1795  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2020 +
2021 +
1796 1796  )))
1797 1797  )))
1798 1798  
... ... @@ -1803,7 +1803,10 @@
1803 1803  (((
1804 1804  
1805 1805  
2032 +
1806 1806  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2034 +
2035 +
1807 1807  )))
1808 1808  
1809 1809  (((
... ... @@ -1821,33 +1821,39 @@
1821 1821  )))
1822 1822  
1823 1823  (((
1824 -(% 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.
2053 +(% 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.
2054 +
2055 +
1825 1825  )))
1826 1826  
1827 1827  (((
1828 1828  [[image:1653360231087-571.png||height="401" width="727"]]
2060 +
2061 +
1829 1829  )))
1830 1830  
1831 1831  (((
1832 -(% 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.
2065 +(% 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.**
1833 1833  )))
1834 1834  
1835 1835  
2069 +
1836 1836  (((
1837 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2071 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2072 +
2073 +
1838 1838  )))
1839 1839  
1840 1840  (((
1841 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1842 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1843 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1844 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1845 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1846 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1847 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1848 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1849 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1850 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2077 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2078 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2079 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2080 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2081 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2082 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2083 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2084 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2085 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1851 1851  )))
1852 1852  
1853 1853  
... ... @@ -1858,16 +1858,21 @@
1858 1858  [[image:1653360498588-932.png||height="485" width="726"]]
1859 1859  
1860 1860  
2096 +
1861 1861  == 5.4 Can I see counting event in Serial? ==
1862 1862  
2099 +
1863 1863  (((
1864 -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.
2101 +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.
1865 1865  
1866 1866  
2104 +
1867 1867  == 5.5 Can i use point to point communication for LT-22222-L? ==
1868 1868  
1869 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1870 1870  
2108 +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]].
2109 +
2110 +
1871 1871  
1872 1872  )))
1873 1873  
... ... @@ -1874,6 +1874,7 @@
1874 1874  (((
1875 1875  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1876 1876  
2117 +
1877 1877  If the device is not shut down, but directly powered off.
1878 1878  
1879 1879  It will default that this is a power-off state.
... ... @@ -1883,12 +1883,27 @@
1883 1883  After restart, the status before power failure will be read from flash.
1884 1884  
1885 1885  
2127 +
2128 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2129 +
2130 +
2131 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2132 +
2133 +
2134 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2135 +
2136 +
2137 +
1886 1886  = 6. Trouble Shooting =
2139 +
2140 +
1887 1887  )))
1888 1888  
1889 1889  (((
1890 1890  (((
1891 -== 6.1 Downlink doesn’t work, how to solve it? ==
2145 +== 6.1 Downlink doesn't work, how to solve it? ==
2146 +
2147 +
1892 1892  )))
1893 1893  )))
1894 1894  
... ... @@ -1899,7 +1899,10 @@
1899 1899  (((
1900 1900  
1901 1901  
2158 +
1902 1902  == 6.2 Have trouble to upload image. ==
2160 +
2161 +
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1909,7 +1909,10 @@
1909 1909  (((
1910 1910  
1911 1911  
1912 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2171 +
2172 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2173 +
2174 +
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1917,23 +1917,27 @@
1917 1917  )))
1918 1918  
1919 1919  
2182 +
1920 1920  = 7. Order Info =
1921 1921  
2185 +
1922 1922  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1923 1923  
1924 -
1925 1925  (% style="color:#4f81bd" %)**XXX:**
1926 1926  
1927 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1928 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1929 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1930 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1931 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1932 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1933 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1934 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1935 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2190 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2191 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2192 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2193 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2194 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2195 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2196 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2197 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2198 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1936 1936  
2200 +
2201 +
2202 +
1937 1937  = 8. Packing Info =
1938 1938  
1939 1939  
... ... @@ -1951,8 +1951,12 @@
1951 1951  * Package Size / pcs : 14.5 x 8 x 5 cm
1952 1952  * Weight / pcs : 170g
1953 1953  
2220 +
2221 +
2222 +
1954 1954  = 9. Support =
1955 1955  
2225 +
1956 1956  * (((
1957 1957  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.
1958 1958  )))
... ... @@ -1966,7 +1966,7 @@
1966 1966  
1967 1967  = 10. Reference​​​​​ =
1968 1968  
2239 +
1969 1969  * 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]]
1970 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1971 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2241 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1972 1972  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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