Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 117.2 >
edited by Xiaoling
on 2023/04/26 17:51
To version < 90.2 >
edited by Xiaoling
on 2022/08/18 11:36
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -20,13 +20,11 @@
20 20  (((
21 21  
22 22  
23 -(((
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  )))
26 -)))
27 27  
28 28  (((
29 -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, building automation, and so on.
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.
30 30  )))
31 31  
32 32  (((
... ... @@ -38,7 +38,7 @@
38 38  )))
39 39  
40 40  (((
41 -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.
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 42  )))
43 43  
44 44  (((
... ... @@ -53,16 +53,17 @@
53 53  
54 54  )))
55 55  
54 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
59 59  
60 60  
61 -(% style="color:#037691" %)**Hardware System:**
60 +**Hardware System:**
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
64 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -83,7 +83,7 @@
83 83  (((
84 84  
85 85  
86 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 +**Interface for Model: LT22222-L:**
87 87  )))
88 88  
89 89  * (((
... ... @@ -108,7 +108,7 @@
108 108  (((
109 109  
110 110  
111 -(% style="color:#037691" %)**LoRa Spec:**
110 +**LoRa Spec:**
112 112  )))
113 113  
114 114  * (((
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
171 +
172 172  
173 173  )))
174 174  
... ... @@ -176,47 +176,37 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
180 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 192  
193 193  
188 +
189 +
194 194  == 1.4  Applications ==
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 209  
210 210  
202 +
203 +
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
207 +(% border="1" style="background-color:#f7faff; width:500px" %)
208 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
209 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -227,22 +227,20 @@
227 227  
228 228  
229 229  
220 +
230 230  = 2. Power ON Device =
231 231  
232 232  
233 -(((
234 234  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.
235 -)))
236 236  
237 237  (((
238 238  PWR will on when device is properly powered.
239 -
240 -
241 241  )))
242 242  
243 243  [[image:1653297104069-180.png]]
244 244  
245 245  
233 +
246 246  = 3. Operation Mode =
247 247  
248 248  == 3.1 How it works? ==
... ... @@ -257,6 +257,7 @@
257 257  )))
258 258  
259 259  
248 +
260 260  == 3.2 Example to join LoRaWAN network ==
261 261  
262 262  
... ... @@ -283,34 +283,31 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png]]
275 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
290 290  
291 -**Add APP EUI in the application.**
280 +Add APP EUI in the application.
292 292  
293 293  [[image:1653297955910-247.png||height="321" width="716"]]
294 294  
295 295  
296 -**Add APP KEY and DEV EUI**
285 +Add APP KEY and DEV EUI
297 297  
298 298  [[image:1653298023685-319.png]]
299 299  
300 300  
301 -
302 302  (((
303 303  (% 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.
304 -
305 -
306 306  )))
307 307  
308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
297 +
311 311  == 3.3 Uplink Payload ==
312 312  
313 -
314 314  There are five working modes + one interrupt mode on LT for different type application:
315 315  
316 316  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -320,14 +320,9 @@
320 320  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
321 321  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
322 322  
323 -
324 -
325 325  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
326 326  
327 -
328 -(((
329 329  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
330 -)))
331 331  
332 332  [[image:image-20220523174024-3.png]]
333 333  
... ... @@ -343,7 +343,7 @@
343 343  * DI is for digital input. DIx=1: high or float, DIx=0: low.
344 344  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
345 345  
346 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
327 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
347 347  
348 348  For example if payload is: [[image:image-20220523175847-2.png]]
349 349  
... ... @@ -378,14 +378,10 @@
378 378  ** DO1 is high in case there is load between DO1 and V+.
379 379  ** DO1 LED is off in both case
380 380  
381 -
382 -
383 383  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
384 384  
385 385  
386 -(((
387 387  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
388 -)))
389 389  
390 390  (((
391 391  Total : 11 bytes payload
... ... @@ -405,7 +405,7 @@
405 405  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
406 406  
407 407  (((
408 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
385 +(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
409 409  )))
410 410  
411 411  (((
... ... @@ -417,22 +417,16 @@
417 417  (% class="box infomessage" %)
418 418  (((
419 419  (((
420 -(((
421 421  **AT+MOD=2**
422 -)))
423 423  
424 -(((
425 425  **ATZ**
426 426  )))
427 427  )))
428 -)))
429 429  
430 430  (((
431 431  
432 432  
433 433  (% style="color:#4f81bd" %)**AT Commands for counting:**
434 -
435 -
436 436  )))
437 437  
438 438  (((
... ... @@ -453,9 +453,9 @@
453 453  )))
454 454  
455 455  
427 +
456 456  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
457 457  
458 -
459 459  **LT22222-L**: This mode the DI1 is used as a counting pin.
460 460  
461 461  [[image:image-20220523181246-5.png]]
... ... @@ -473,7 +473,7 @@
473 473  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
474 474  
475 475  (((
476 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
447 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
477 477  )))
478 478  
479 479  
... ... @@ -484,15 +484,11 @@
484 484  (% class="box infomessage" %)
485 485  (((
486 486  (((
487 -(((
488 488  **AT+MOD=3**
489 -)))
490 490  
491 -(((
492 492  **ATZ**
493 493  )))
494 494  )))
495 -)))
496 496  
497 497  (((
498 498  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -499,16 +499,13 @@
499 499  )))
500 500  
501 501  
469 +
502 502  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
503 503  
504 504  
505 -(((
506 506  **LT22222-L**: This mode the DI1 is used as a counting pin.
507 -)))
508 508  
509 -(((
510 510  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 -)))
512 512  
513 513  [[image:image-20220523181903-8.png]]
514 514  
... ... @@ -524,7 +524,7 @@
524 524  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
525 525  
526 526  (((
527 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
491 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
528 528  )))
529 529  
530 530  (((
... ... @@ -536,17 +536,14 @@
536 536  (% class="box infomessage" %)
537 537  (((
538 538  (((
539 -(((
540 540  **AT+MOD=4**
541 -)))
542 542  
543 -(((
544 544  **ATZ**
545 545  )))
546 546  )))
547 -)))
548 548  
549 549  
510 +
550 550  (((
551 551  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
552 552  )))
... ... @@ -567,6 +567,7 @@
567 567  )))
568 568  
569 569  
531 +
570 570  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
571 571  
572 572  
... ... @@ -587,7 +587,7 @@
587 587  )))
588 588  
589 589  (((
590 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
552 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
591 591  )))
592 592  
593 593  (((
... ... @@ -599,15 +599,11 @@
599 599  (% class="box infomessage" %)
600 600  (((
601 601  (((
602 -(((
603 603  **AT+MOD=5**
604 -)))
605 605  
606 -(((
607 607  **ATZ**
608 608  )))
609 609  )))
610 -)))
611 611  
612 612  (((
613 613  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -614,6 +614,7 @@
614 614  )))
615 615  
616 616  
575 +
617 617  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
618 618  
619 619  
... ... @@ -636,7 +636,6 @@
636 636  
637 637  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
638 638  
639 -
640 640  **Example:**
641 641  
642 642  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)
... ... @@ -649,7 +649,6 @@
649 649  
650 650  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
651 651  
652 -
653 653  **Example:**
654 654  
655 655  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -716,7 +716,6 @@
716 716  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
717 717  
718 718  
719 -
720 720  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
721 721  
722 722  [[image:image-20220524090249-3.png]]
... ... @@ -750,52 +750,46 @@
750 750  When device got this command, it will send the MOD6 payload.
751 751  
752 752  
709 +
753 753  === 3.3.7 Payload Decoder ===
754 754  
755 755  (((
756 756  
757 757  
758 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
715 +**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/]]
716 +
717 +
759 759  )))
760 760  
761 761  
762 762  == 3.4 ​Configure LT via AT or Downlink ==
763 763  
764 -
765 -(((
766 766  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
767 -)))
768 768  
769 769  (((
770 -(((
771 771  There are two kinds of Commands:
772 772  )))
773 -)))
774 774  
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]]
729 +* (% 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]]
776 776  
777 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
731 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
778 778  
779 -
780 -
781 781  === 3.4.1 Common Commands ===
782 782  
783 -
784 -(((
785 785  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]]
786 -)))
787 787  
788 788  
738 +
789 789  === 3.4.2 Sensor related commands ===
790 790  
741 +
791 791  ==== 3.4.2.1 Set Transmit Interval ====
792 792  
793 -
794 794  Set device uplink interval.
795 795  
796 796  * (% style="color:#037691" %)**AT Command:**
797 797  
798 -(% style="color:blue" %)**AT+TDC=N **
748 +**AT+TDC=N **
799 799  
800 800  
801 801  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -803,18 +803,18 @@
803 803  
804 804  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
805 805  
806 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
756 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
807 807  
808 808  
809 809  
760 +
810 810  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
811 811  
812 -
813 813  Set work mode.
814 814  
815 815  * (% style="color:#037691" %)**AT Command:**
816 816  
817 -(% style="color:blue" %)**AT+MOD=N  **
767 +**AT+MOD=N  **
818 818  
819 819  
820 820  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -822,13 +822,13 @@
822 822  
823 823  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
824 824  
825 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
775 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
826 826  
827 827  
828 828  
779 +
829 829  ==== 3.4.2.3 Poll an uplink ====
830 830  
831 -
832 832  * (% style="color:#037691" %)**AT Command:**
833 833  
834 834  There is no AT Command to poll uplink
... ... @@ -836,36 +836,35 @@
836 836  
837 837  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
838 838  
839 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
789 +**0x08 FF     **~/~/ Poll an uplink
840 840  
841 -
842 842  **Example**: 0x08FF, ask device to send an Uplink
843 843  
844 844  
845 845  
795 +
846 846  ==== 3.4.2.4 Enable Trigger Mode ====
847 847  
848 -
849 849  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
850 850  
851 851  * (% style="color:#037691" %)**AT Command:**
852 852  
853 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
802 +**AT+ADDMOD6=1 or 0**
854 854  
855 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
804 +1: Enable Trigger Mode
856 856  
857 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
806 +0: Disable Trigger Mode
858 858  
859 859  
860 860  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
861 861  
862 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
811 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
863 863  
864 864  
865 865  
815 +
866 866  ==== 3.4.2.5 Poll trigger settings ====
867 867  
868 -
869 869  Poll trigger settings,
870 870  
871 871  * (% style="color:#037691" %)**AT Command:**
... ... @@ -875,18 +875,18 @@
875 875  
876 876  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
877 877  
878 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
827 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
879 879  
880 880  
881 881  
831 +
882 882  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
883 883  
884 -
885 885  Enable Disable DI1/DI2/DI2 as trigger,
886 886  
887 887  * (% style="color:#037691" %)**AT Command:**
888 888  
889 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
838 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
890 890  
891 891  
892 892  **Example:**
... ... @@ -895,22 +895,22 @@
895 895  
896 896  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
897 897  
898 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
847 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
899 899  
900 900  
901 901  
851 +
902 902  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
903 903  
904 -
905 905  Set DI1 or DI3(for LT-33222-L) trigger.
906 906  
907 907  * (% style="color:#037691" %)**AT Command:**
908 908  
909 -(% style="color:blue" %)**AT+TRIG1=a,b**
858 +**AT+TRIG1=a,b**
910 910  
911 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
860 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
912 912  
913 -(% style="color:red" %)**b :** (%%)delay timing.
862 +b : delay timing.
914 914  
915 915  
916 916  **Example:**
... ... @@ -919,25 +919,22 @@
919 919  
920 920  
921 921  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
871 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
922 922  
923 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
924 -
925 -
926 -
927 927  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
928 928  
929 -
930 930  Set DI2 trigger.
931 931  
932 932  * (% style="color:#037691" %)**AT Command:**
933 933  
934 -(% style="color:blue" %)**AT+TRIG2=a,b**
879 +**AT+TRIG2=a,b**
935 935  
936 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
937 937  
938 -(% style="color:red" %)**b :** (%%)delay timing.
882 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
939 939  
884 +b : delay timing.
940 940  
886 +
941 941  **Example:**
942 942  
943 943  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -945,67 +945,67 @@
945 945  
946 946  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
947 947  
948 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
894 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
949 949  
950 950  
951 951  
898 +
952 952  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
953 953  
954 -
955 955  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
956 956  
957 957  * (% style="color:#037691" %)**AT Command**
958 958  
959 -(% style="color:blue" %)**AT+ACLIM**
905 +**AT+ACLIM**
960 960  
961 961  
962 962  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
963 963  
964 -(% 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"]]
910 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
965 965  
966 966  
967 967  
914 +
968 968  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
969 969  
970 -
971 971  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
972 972  
973 973  * (% style="color:#037691" %)**AT Command**
974 974  
975 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
921 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
976 976  
977 977  
978 978  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
979 979  
980 -(% 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"]]
926 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
981 981  
982 982  
983 983  
930 +
984 984  ==== 3.4.2.11 Trigger – Set minimum interval ====
985 985  
986 -
987 987  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
988 988  
989 989  * (% style="color:#037691" %)**AT Command**
990 990  
991 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
937 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
992 992  
993 993  
994 994  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
995 995  
996 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
942 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
997 997  
998 998  (((
999 999  
1000 1000  
1001 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
947 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1002 1002  )))
1003 1003  
1004 1004  
1005 1005  
952 +
1006 1006  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1007 1007  
1008 -
1009 1009  * (% style="color:#037691" %)**AT Command**
1010 1010  
1011 1011  There is no AT Command to control Digital Output
... ... @@ -1012,7 +1012,7 @@
1012 1012  
1013 1013  
1014 1014  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1015 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
961 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1016 1016  
1017 1017  (((
1018 1018  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1025,18 +1025,18 @@
1025 1025  [[image:image-20220524092754-5.png]]
1026 1026  
1027 1027  (((
1028 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
974 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1029 1029  )))
1030 1030  
1031 1031  (((
1032 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
978 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1033 1033  )))
1034 1034  
1035 1035  
1036 1036  
983 +
1037 1037  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1038 1038  
1039 -
1040 1040  * (% style="color:#037691" %)**AT Command**
1041 1041  
1042 1042  There is no AT Command to control Digital Output
... ... @@ -1044,7 +1044,7 @@
1044 1044  
1045 1045  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1046 1046  
1047 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
993 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1048 1048  
1049 1049  
1050 1050  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1073,21 +1073,13 @@
1073 1073  [[image:image-20220524093351-8.png]]
1074 1074  
1075 1075  
1076 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1022 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1077 1077  
1078 1078   Latching time. Unit: ms
1079 1079  
1026 +Device will upload a packet if downlink code executes successfully.
1080 1080  
1081 -(% style="color:red" %)**Note: **
1082 1082  
1083 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1084 -
1085 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1086 -
1087 -
1088 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1089 -
1090 -
1091 1091  **Example payload:**
1092 1092  
1093 1093  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1108,8 +1108,8 @@
1108 1108  
1109 1109  
1110 1110  
1111 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1112 1112  
1050 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1113 1113  
1114 1114  * (% style="color:#037691" %)**AT Command:**
1115 1115  
... ... @@ -1118,7 +1118,7 @@
1118 1118  
1119 1119  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1120 1120  
1121 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1059 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1122 1122  
1123 1123  
1124 1124  (((
... ... @@ -1130,16 +1130,16 @@
1130 1130  )))
1131 1131  
1132 1132  (((
1133 -[[image:image-20230426161322-1.png]]
1071 +[[image:image-20220524093724-9.png]]
1134 1134  )))
1135 1135  
1136 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1074 +Device will upload a packet if downlink code executes successfully.
1137 1137  
1138 1138  
1139 1139  
1078 +
1140 1140  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1141 1141  
1142 -
1143 1143  * (% style="color:#037691" %)**AT Command:**
1144 1144  
1145 1145  There is no AT Command to control Relay Output
... ... @@ -1147,7 +1147,7 @@
1147 1147  
1148 1148  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1149 1149  
1150 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1088 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1151 1151  
1152 1152  
1153 1153  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1163,25 +1163,17 @@
1163 1163  
1164 1164  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1165 1165  
1166 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1104 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1167 1167  
1168 1168  
1169 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1107 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1170 1170  
1109 +Device will upload a packet if downlink code executes successfully.
1171 1171  
1172 -(% style="color:red" %)**Note:**
1173 1173  
1174 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1175 -
1176 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1177 -
1178 -
1179 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1180 -
1181 -
1182 1182  **Example payload:**
1183 1183  
1184 -**~1. 05 01 11 07 D0**
1114 +**~1. 05 01 11 07 D**
1185 1185  
1186 1186  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1187 1187  
... ... @@ -1199,180 +1199,82 @@
1199 1199  
1200 1200  
1201 1201  
1132 +
1202 1202  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1203 1203  
1204 -
1205 1205  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1206 1206  
1207 1207  * (% style="color:#037691" %)**AT Command:**
1208 1208  
1209 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1139 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1210 1210  
1211 1211  
1212 1212  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1213 1213  
1214 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1144 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1215 1215  
1216 1216  
1217 1217  
1148 +
1218 1218  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1219 1219  
1220 -
1221 1221  * (% style="color:#037691" %)**AT Command:**
1222 1222  
1223 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1153 +**AT+SETCNT=aa,(bb cc dd ee) **
1224 1224  
1225 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1155 +aa: 1: Set count1,
1226 1226  
1227 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1157 +2: Set count2,
1228 1228  
1159 +3: Set AV1 count
1229 1229  
1161 +Bb cc dd ee: number to be set
1162 +
1163 +
1230 1230  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1231 1231  
1232 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1166 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1233 1233  
1234 1234  
1235 1235  
1170 +
1236 1236  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1237 1237  
1238 -
1239 1239  Clear counting for counting mode
1240 1240  
1241 1241  * (% style="color:#037691" %)**AT Command:**
1242 1242  
1243 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1177 +**AT+CLRCOUNT ** ~/~/ clear all counting
1244 1244  
1245 1245  
1246 1246  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1247 1247  
1248 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1182 +**0x A6 01    ** ~/~/ clear all counting
1249 1249  
1250 1250  
1251 1251  
1186 +
1252 1252  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1253 1253  
1254 -
1255 1255  * (% style="color:#037691" %)**AT Command:**
1256 1256  
1257 -(% 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)
1191 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1258 1258  
1259 1259  
1260 1260  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1261 1261  
1262 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1196 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1263 1263  
1264 1264  (((
1265 1265  range: aa bb cc:0 to 16777215,  (unit:second)
1266 -)))
1267 1267  
1268 -
1269 -
1270 -==== 3.4.2.20 Reset save RO DO state ====
1271 -
1272 -
1273 -* (% style="color:#037691" %)**AT Command:**
1274 -
1275 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1276 -
1277 -(% style="color:blue" %)**AT+RODORESET=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.
1278 -
1279 -
1280 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1281 -
1282 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1283 -
1284 -
1285 -
1286 -==== 3.4.2.21 Encrypted payload ====
1287 -
1288 -
1289 -* (% style="color:#037691" %)**AT Command:**
1290 -
1291 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1292 -
1293 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1294 -
1295 -
1296 -
1297 -==== 3.4.2.22 Get sensor value ====
1298 -
1299 -
1300 -* (% style="color:#037691" %)**AT Command:**
1301 -
1302 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1303 -
1304 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1305 -
1306 -
1307 -
1308 -==== 3.4.2.23 Resets the downlink packet count ====
1309 -
1310 -
1311 -* (% style="color:#037691" %)**AT Command:**
1312 -
1313 -(% 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)
1314 -
1315 -(% 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.
1316 -
1317 -
1318 -
1319 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1320 -
1321 -
1322 -* (% style="color:#037691" %)**AT Command:**
1323 -
1324 -(% 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)
1325 -
1326 -(% 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.
1327 -
1328 -
1329 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1330 -
1331 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1332 -
1333 -
1334 -
1335 -==== 3.4.2.25 Copy downlink to uplink ====
1336 -
1337 -
1338 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1339 -
1340 -(% 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.
1341 -
1342 -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.
1343 -
1344 -
1345 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1346 -
1347 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1348 -
1349 -
1350 -
1351 -[[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"]]
1352 -
1353 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1354 -
1355 -
1356 -
1357 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1358 -
1359 -
1360 -* (((
1361 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1362 -
1363 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1364 -
1365 1365  
1366 1366  )))
1367 1367  
1368 -**Example：**
1369 1369  
1370 -[[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"]]
1371 1371  
1372 -
1373 1373  == 3.5 Integrate with Mydevice ==
1374 1374  
1375 -
1376 1376  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:
1377 1377  
1378 1378  (((
... ... @@ -1381,8 +1381,6 @@
1381 1381  
1382 1382  (((
1383 1383  (% 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:
1384 -
1385 -
1386 1386  )))
1387 1387  
1388 1388  [[image:image-20220719105525-1.png||height="377" width="677"]]
... ... @@ -1419,19 +1419,19 @@
1419 1419  [[image:image-20220524094909-5.png||height="341" width="734"]]
1420 1420  
1421 1421  
1252 +
1422 1422  == 3.6 Interface Detail ==
1423 1423  
1424 1424  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1425 1425  
1426 -
1427 1427  Support NPN Type sensor
1428 1428  
1429 1429  [[image:1653356991268-289.png]]
1430 1430  
1431 1431  
1262 +
1432 1432  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1433 1433  
1434 -
1435 1435  (((
1436 1436  The DI port of LT-22222-L can support NPN or PNP output sensor.
1437 1437  )))
... ... @@ -1438,9 +1438,7 @@
1438 1438  
1439 1439  (((
1440 1440  (((
1441 -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.
1442 -
1443 -
1271 +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
1444 1444  )))
1445 1445  )))
1446 1446  
... ... @@ -1465,10 +1465,10 @@
1465 1465  )))
1466 1466  
1467 1467  * (((
1468 -Connect sensor's output to DI1-
1296 +Connect sensor’s output to DI1-
1469 1469  )))
1470 1470  * (((
1471 -Connect sensor's VCC to DI1+.
1299 +Connect sensor’s VCC to DI1+.
1472 1472  )))
1473 1473  
1474 1474  (((
... ... @@ -1476,11 +1476,11 @@
1476 1476  )))
1477 1477  
1478 1478  (((
1479 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1307 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1480 1480  )))
1481 1481  
1482 1482  (((
1483 -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.
1311 +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.
1484 1484  )))
1485 1485  
1486 1486  (((
... ... @@ -1496,10 +1496,10 @@
1496 1496  )))
1497 1497  
1498 1498  * (((
1499 -Connect sensor's output to DI1+
1327 +Connect sensor’s output to DI1+
1500 1500  )))
1501 1501  * (((
1502 -Connect sensor's GND DI1-.
1330 +Connect sensor’s GND DI1-.
1503 1503  )))
1504 1504  
1505 1505  (((
... ... @@ -1527,10 +1527,10 @@
1527 1527  )))
1528 1528  
1529 1529  * (((
1530 -Connect sensor's output to DI1+ with a serial 50K resistor
1358 +Connect sensor’s output to DI1+ with a serial 50K resistor
1531 1531  )))
1532 1532  * (((
1533 -Connect sensor's GND DI1-.
1361 +Connect sensor’s GND DI1-.
1534 1534  )))
1535 1535  
1536 1536  (((
... ... @@ -1546,19 +1546,17 @@
1546 1546  )))
1547 1547  
1548 1548  
1377 +
1549 1549  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1550 1550  
1380 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1551 1551  
1552 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1553 -
1554 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1555 -
1556 1556  [[image:1653357531600-905.png]]
1557 1557  
1558 1558  
1385 +
1559 1559  === 3.6.4 Analog Input Interface ===
1560 1560  
1561 -
1562 1562  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:
1563 1563  
1564 1564  
... ... @@ -1571,13 +1571,13 @@
1571 1571  We take the wind speed sensor as an example for reference only.
1572 1572  
1573 1573  
1574 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1400 +**Specifications of the wind speed sensor:**
1575 1575  
1576 -(% style="color:red" %)**Red:  12~~24v**
1402 +Red:  12~~24v
1577 1577  
1578 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1404 +Yellow:  4~~20mA
1579 1579  
1580 -**Black:  GND**
1406 +Black:  GND
1581 1581  
1582 1582  
1583 1583  **Connection diagram:**
... ... @@ -1587,40 +1587,31 @@
1587 1587  [[image:1653357648330-671.png||height="155" width="733"]]
1588 1588  
1589 1589  
1416 +
1590 1590  === 3.6.5 Relay Output ===
1591 1591  
1592 -
1593 1593  (((
1594 -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:
1595 -
1596 -**Note**: RO pins go to Open(NO) when device is power off.
1420 +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:
1597 1597  )))
1598 1598  
1599 1599  [[image:image-20220524100215-9.png]]
1600 1600  
1601 -
1602 1602  [[image:image-20220524100215-10.png||height="382" width="723"]]
1603 1603  
1604 1604  
1428 +
1605 1605  == 3.7 LEDs Indicators ==
1606 1606  
1607 -
1608 1608  [[image:image-20220524100748-11.png]]
1609 1609  
1610 1610  
1434 +
1611 1611  = 4. Use AT Command =
1612 1612  
1613 1613  == 4.1 Access AT Command ==
1614 1614  
1615 -
1616 -(((
1617 1617  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.
1618 -)))
1619 1619  
1620 -(((
1621 -
1622 -)))
1623 -
1624 1624  [[image:1653358238933-385.png]]
1625 1625  
1626 1626  
... ... @@ -1648,7 +1648,7 @@
1648 1648  )))
1649 1649  
1650 1650  (((
1651 -AT+<CMD>=?       :  Get the value
1468 +AT+<CMD>=?       : Get the value
1652 1652  )))
1653 1653  
1654 1654  (((
... ... @@ -1676,11 +1676,11 @@
1676 1676  )))
1677 1677  
1678 1678  (((
1679 -AT+APPSKEY:  Get or Set the Application Session Key
1496 +AT+APPSKEY: Get or Set the Application Session Key
1680 1680  )))
1681 1681  
1682 1682  (((
1683 -AT+APPEUI:  Get or Set the Application EUI
1500 +AT+APPEUI: Get or Set the Application EUI
1684 1684  )))
1685 1685  
1686 1686  (((
... ... @@ -1692,7 +1692,7 @@
1692 1692  )))
1693 1693  
1694 1694  (((
1695 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1512 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1696 1696  )))
1697 1697  
1698 1698  (((
... ... @@ -1728,7 +1728,7 @@
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1548 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1732 1732  )))
1733 1733  
1734 1734  (((
... ... @@ -1772,7 +1772,7 @@
1772 1772  )))
1773 1773  
1774 1774  (((
1775 -AT+VER:  Get current image version and Frequency Band
1592 +AT+VER: Get current image version and Frequency Band
1776 1776  )))
1777 1777  
1778 1778  (((
... ... @@ -1780,7 +1780,7 @@
1780 1780  )))
1781 1781  
1782 1782  (((
1783 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1600 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1784 1784  )))
1785 1785  
1786 1786  (((
... ... @@ -1820,6 +1820,7 @@
1820 1820  )))
1821 1821  
1822 1822  
1640 +
1823 1823  == 4.2 Common AT Command Sequence ==
1824 1824  
1825 1825  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1827,101 +1827,98 @@
1827 1827  (((
1828 1828  
1829 1829  
1830 -(((
1831 -(% style="color:blue" %)**If device has not joined network yet:**
1648 +**If device has not joined network yet:**
1832 1832  )))
1833 -)))
1834 1834  
1835 1835  (((
1836 -(% style="background-color:#dcdcdc" %)**123456**
1652 +(% style="background-color:#dcdcdc" %)123456
1837 1837  )))
1838 1838  
1839 1839  (((
1840 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1656 +(% style="background-color:#dcdcdc" %)AT+FDR
1841 1841  )))
1842 1842  
1843 1843  (((
1844 -(% style="background-color:#dcdcdc" %)**123456**
1660 +(% style="background-color:#dcdcdc" %)123456
1845 1845  )))
1846 1846  
1847 1847  (((
1848 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1664 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1849 1849  )))
1850 1850  
1851 1851  (((
1852 -(% style="background-color:#dcdcdc" %)**ATZ**
1668 +(% style="background-color:#dcdcdc" %)ATZ
1853 1853  )))
1854 1854  
1855 1855  
1856 1856  (((
1857 -(% style="color:blue" %)**If device already joined network:**
1673 +**If device already joined network:**
1858 1858  )))
1859 1859  
1860 1860  (((
1861 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1677 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1862 1862  )))
1863 1863  
1864 1864  (((
1865 -(% style="background-color:#dcdcdc" %)**ATZ**
1681 +(% style="background-color:#dcdcdc" %)ATZ
1866 1866  )))
1867 1867  
1868 1868  
1685 +
1869 1869  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1870 1870  
1871 1871  (((
1872 1872  
1873 1873  
1874 -(((
1875 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1691 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1876 1876  )))
1877 -)))
1878 1878  
1879 1879  (((
1880 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1695 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1881 1881  )))
1882 1882  
1883 1883  (((
1884 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1699 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1885 1885  )))
1886 1886  
1887 1887  (((
1888 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1703 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1707 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1711 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1715 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1719 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1905 1905  )))
1906 1906  
1907 1907  (((
1908 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1723 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1909 1909  )))
1910 1910  
1911 1911  (((
1912 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1727 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1913 1913  )))
1914 1914  
1915 1915  (((
1916 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1731 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1917 1917  )))
1918 1918  
1919 1919  (((
1920 -(% 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.
1735 +(% 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.
1921 1921  )))
1922 1922  
1923 1923  (((
1924 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1739 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1925 1925  
1926 1926  
1927 1927  )))
... ... @@ -1931,16 +1931,10 @@
1931 1931  )))
1932 1932  
1933 1933  (((
1934 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1935 -
1936 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1937 -
1938 -**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?
1939 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1940 -
1941 -**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.**
1942 -
1943 -
1749 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1750 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1751 +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.
1752 +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
1944 1944  )))
1945 1945  
1946 1946  (((
... ... @@ -1951,30 +1951,19 @@
1951 1951  
1952 1952  )))
1953 1953  
1763 +
1954 1954  === 4.2.3 Change to Class A ===
1955 1955  
1766 +If sensor JOINED
1767 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1768 +ATZ
1956 1956  
1957 -(((
1958 -(% style="color:blue" %)**If sensor JOINED:**
1959 1959  
1960 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1961 -ATZ**
1962 -)))
1771 += 5. FAQ =
1963 1963  
1773 +== 5.1 How to upgrade the image? ==
1964 1964  
1965 -= 5. Case Study =
1966 1966  
1967 -== 5.1 Counting how many objects pass in Flow Line ==
1968 -
1969 -
1970 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1971 -
1972 -
1973 -= 6. FAQ =
1974 -
1975 -== 6.1 How to upgrade the image? ==
1976 -
1977 -
1978 1978  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1979 1979  
1980 1980  * Support new features
... ... @@ -1988,38 +1988,31 @@
1988 1988  
1989 1989  (((
1990 1990  (% 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]].
1991 -(% 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]].
1789 +(% 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/]].
1992 1992  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1993 1993  
1994 1994  
1995 -(((
1996 1996  (% style="color:blue" %)**For LT-22222-L**(%%):
1997 1997  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.
1998 1998  )))
1999 1999  
2000 -
2001 -)))
2002 -
2003 2003   [[image:image-20220524103407-12.png]]
2004 2004  
2005 -
2006 2006  [[image:image-20220524103429-13.png]]
2007 2007  
2008 -
2009 2009  [[image:image-20220524104033-15.png]]
2010 2010  
2011 2011  
2012 2012  (% 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:
2013 2013  
2014 -
2015 2015  [[image:1653360054704-518.png||height="186" width="745"]]
2016 2016  
2017 2017  
2018 2018  (((
2019 2019  (((
2020 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2021 -
2022 2022  
1812 +
1813 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2023 2023  )))
2024 2024  )))
2025 2025  
... ... @@ -2030,9 +2030,7 @@
2030 2030  (((
2031 2031  
2032 2032  
2033 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2034 -
2035 -
1824 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2036 2036  )))
2037 2037  
2038 2038  (((
... ... @@ -2050,39 +2050,33 @@
2050 2050  )))
2051 2051  
2052 2052  (((
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 -
1842 +(% 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.
2056 2056  )))
2057 2057  
2058 2058  (((
2059 2059  [[image:1653360231087-571.png||height="401" width="727"]]
2060 -
2061 -
2062 2062  )))
2063 2063  
2064 2064  (((
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.**
1850 +(% 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.
2066 2066  )))
2067 2067  
2068 2068  
2069 -
2070 2070  (((
2071 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2072 -
2073 -
1855 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2074 2074  )))
2075 2075  
2076 2076  (((
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
1859 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1860 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1861 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1862 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1863 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1864 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1865 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1866 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1867 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1868 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2086 2086  )))
2087 2087  
2088 2088  
... ... @@ -2093,25 +2093,22 @@
2093 2093  [[image:1653360498588-932.png||height="485" width="726"]]
2094 2094  
2095 2095  
2096 -== 6.4 Can I see counting event in Serial? ==
1879 +== 5.4 Can I see counting event in Serial? ==
2097 2097  
2098 -
2099 2099  (((
2100 -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.
1882 +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 2101  
2102 2102  
2103 -== 6.5 Can i use point to point communication for LT-22222-L? ==
1885 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2104 2104  
1887 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2105 2105  
2106 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2107 -
2108 2108  
2109 2109  )))
2110 2110  
2111 2111  (((
2112 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1893 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2113 2113  
2114 -
2115 2115  If the device is not shut down, but directly powered off.
2116 2116  
2117 2117  It will default that this is a power-off state.
... ... @@ -2121,29 +2121,12 @@
2121 2121  After restart, the status before power failure will be read from flash.
2122 2122  
2123 2123  
2124 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2125 -
2126 -
2127 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2128 -
2129 -
2130 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2131 -
2132 -
2133 -== 6.8 Can LT22222-L save RO state? ==
2134 -
2135 -
2136 -Firmware version needs to be no less than 1.6.0.
2137 -
2138 -
2139 -= 7. Trouble Shooting =
1904 += 6. Trouble Shooting =
2140 2140  )))
2141 2141  
2142 2142  (((
2143 2143  (((
2144 -== 7.1 Downlink doesn't work, how to solve it? ==
2145 -
2146 -
1909 +== 6.1 Downlink doesn't work, how to solve it? ==
2147 2147  )))
2148 2148  )))
2149 2149  
... ... @@ -2154,9 +2154,7 @@
2154 2154  (((
2155 2155  
2156 2156  
2157 -== 7.2 Have trouble to upload image. ==
2158 -
2159 -
1920 +== 6.2 Have trouble to upload image. ==
2160 2160  )))
2161 2161  
2162 2162  (((
... ... @@ -2166,9 +2166,7 @@
2166 2166  (((
2167 2167  
2168 2168  
2169 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2170 -
2171 -
1930 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 2172  )))
2173 2173  
2174 2174  (((
... ... @@ -2176,7 +2176,7 @@
2176 2176  )))
2177 2177  
2178 2178  
2179 -= 8. Order Info =
1938 += 7. Order Info =
2180 2180  
2181 2181  
2182 2182  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2193,11 +2193,9 @@
2193 2193  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2194 2194  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2195 2195  
1955 += 8. Packing Info =
2196 2196  
2197 2197  
2198 -= 9. Packing Info =
2199 -
2200 -
2201 2201  **Package Includes**:
2202 2202  
2203 2203  * LT-22222-L I/O Controller x 1
... ... @@ -2212,24 +2212,18 @@
2212 2212  * Package Size / pcs : 14.5 x 8 x 5 cm
2213 2213  * Weight / pcs : 170g
2214 2214  
1972 += 9. Support =
2215 2215  
2216 -
2217 -= 10. Support =
2218 -
2219 -
2220 2220  * (((
2221 2221  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.
2222 2222  )))
2223 2223  * (((
2224 2224  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2225 -
2226 -
2227 -
2228 2228  )))
2229 2229  
2230 -= 11. Reference​​​​​ =
1981 += 10. Reference​​​​​ =
2231 2231  
2232 -
2233 2233  * 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]]
2234 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1984 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1985 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2235 2235  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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