Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 102.4 >
edited by Xiaoling
on 2022/10/29 10:05
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
... ... @@ -15,16 +15,13 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 22  
23 23  
24 -(((
25 25  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.
26 26  )))
27 -)))
28 28  
29 29  (((
30 30  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.
... ... @@ -39,7 +39,7 @@
39 39  )))
40 40  
41 41  (((
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.
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.
43 43  )))
44 44  
45 45  (((
... ... @@ -60,7 +60,7 @@
60 60  (((
61 61  
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
60 +**Hardware System:**
64 64  )))
65 65  
66 66  * (((
... ... @@ -85,7 +85,7 @@
85 85  (((
86 86  
87 87  
88 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 +**Interface for Model: LT22222-L:**
89 89  )))
90 90  
91 91  * (((
... ... @@ -110,7 +110,7 @@
110 110  (((
111 111  
112 112  
113 -(% style="color:#037691" %)**LoRa Spec:**
110 +**LoRa Spec:**
114 114  )))
115 115  
116 116  * (((
... ... @@ -180,7 +180,7 @@
180 180  
181 181  * LoRaWAN Class A & Class C protocol
182 182  * Optional Customized LoRa Protocol
183 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
180 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
184 184  * AT Commands to change parameters
185 185  * Remote configure parameters via LoRa Downlink
186 186  * Firmware upgradable via program port
... ... @@ -189,6 +189,7 @@
189 189  
190 190  
191 191  
189 +
192 192  == 1.4  Applications ==
193 193  
194 194  
... ... @@ -202,6 +202,7 @@
202 202  
203 203  
204 204  
203 +
205 205  == 1.5 Hardware Variants ==
206 206  
207 207  
... ... @@ -218,17 +218,14 @@
218 218  
219 219  
220 220  
220 +
221 221  = 2. Power ON Device =
222 222  
223 223  
224 -(((
225 225  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 -)))
227 227  
228 228  (((
229 229  PWR will on when device is properly powered.
230 -
231 -
232 232  )))
233 233  
234 234  [[image:1653297104069-180.png]]
... ... @@ -237,7 +237,6 @@
237 237  
238 238  = 3. Operation Mode =
239 239  
240 -
241 241  == 3.1 How it works? ==
242 242  
243 243  
... ... @@ -282,21 +282,18 @@
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
284 284  
285 -**Add APP EUI in the application.**
280 +Add APP EUI in the application.
286 286  
287 287  [[image:1653297955910-247.png||height="321" width="716"]]
288 288  
289 289  
290 -**Add APP KEY and DEV EUI**
285 +Add APP KEY and DEV EUI
291 291  
292 292  [[image:1653298023685-319.png]]
293 293  
294 294  
295 -
296 296  (((
297 297  (% 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 -
300 300  )))
301 301  
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -305,7 +305,6 @@
305 305  
306 306  == 3.3 Uplink Payload ==
307 307  
308 -
309 309  There are five working modes + one interrupt mode on LT for different type application:
310 310  
311 311  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -317,10 +317,7 @@
317 317  
318 318  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
319 319  
320 -
321 -(((
322 322  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
323 -)))
324 324  
325 325  [[image:image-20220523174024-3.png]]
326 326  
... ... @@ -336,7 +336,7 @@
336 336  * DI is for digital input. DIx=1: high or float, DIx=0: low.
337 337  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
338 338  
339 -(% 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
340 340  
341 341  For example if payload is: [[image:image-20220523175847-2.png]]
342 342  
... ... @@ -374,9 +374,7 @@
374 374  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
375 375  
376 376  
377 -(((
378 378  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
379 -)))
380 380  
381 381  (((
382 382  Total : 11 bytes payload
... ... @@ -396,7 +396,7 @@
396 396  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
397 397  
398 398  (((
399 -(% 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.
400 400  )))
401 401  
402 402  (((
... ... @@ -408,22 +408,16 @@
408 408  (% class="box infomessage" %)
409 409  (((
410 410  (((
411 -(((
412 412  **AT+MOD=2**
413 -)))
414 414  
415 -(((
416 416  **ATZ**
417 417  )))
418 418  )))
419 -)))
420 420  
421 421  (((
422 422  
423 423  
424 424  (% style="color:#4f81bd" %)**AT Commands for counting:**
425 -
426 -
427 427  )))
428 428  
429 429  (((
... ... @@ -447,7 +447,6 @@
447 447  
448 448  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
449 449  
450 -
451 451  **LT22222-L**: This mode the DI1 is used as a counting pin.
452 452  
453 453  [[image:image-20220523181246-5.png]]
... ... @@ -465,7 +465,7 @@
465 465  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
466 466  
467 467  (((
468 -(% 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.
469 469  )))
470 470  
471 471  
... ... @@ -476,15 +476,11 @@
476 476  (% class="box infomessage" %)
477 477  (((
478 478  (((
479 -(((
480 480  **AT+MOD=3**
481 -)))
482 482  
483 -(((
484 484  **ATZ**
485 485  )))
486 486  )))
487 -)))
488 488  
489 489  (((
490 490  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -495,13 +495,9 @@
495 495  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
496 496  
497 497  
498 -(((
499 499  **LT22222-L**: This mode the DI1 is used as a counting pin.
500 -)))
501 501  
502 -(((
503 503  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 -)))
505 505  
506 506  [[image:image-20220523181903-8.png]]
507 507  
... ... @@ -517,7 +517,7 @@
517 517  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
518 518  
519 519  (((
520 -(% 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.
521 521  )))
522 522  
523 523  (((
... ... @@ -529,17 +529,14 @@
529 529  (% class="box infomessage" %)
530 530  (((
531 531  (((
532 -(((
533 533  **AT+MOD=4**
534 -)))
535 535  
536 -(((
537 537  **ATZ**
538 538  )))
539 539  )))
540 -)))
541 541  
542 542  
510 +
543 543  (((
544 544  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
545 545  )))
... ... @@ -581,7 +581,7 @@
581 581  )))
582 582  
583 583  (((
584 -(% 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.
585 585  )))
586 586  
587 587  (((
... ... @@ -593,15 +593,11 @@
593 593  (% class="box infomessage" %)
594 594  (((
595 595  (((
596 -(((
597 597  **AT+MOD=5**
598 -)))
599 599  
600 -(((
601 601  **ATZ**
602 602  )))
603 603  )))
604 -)))
605 605  
606 606  (((
607 607  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -631,7 +631,6 @@
631 631  
632 632  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
633 633  
634 -
635 635  **Example:**
636 636  
637 637  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)
... ... @@ -644,7 +644,6 @@
644 644  
645 645  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
646 646  
647 -
648 648  **Example:**
649 649  
650 650  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -663,7 +663,6 @@
663 663  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
664 664  
665 665  
666 -
667 667  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
668 668  
669 669  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -712,7 +712,6 @@
712 712  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
713 713  
714 714  
715 -
716 716  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
717 717  
718 718  [[image:image-20220524090249-3.png]]
... ... @@ -724,7 +724,6 @@
724 724  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
725 725  
726 726  
727 -
728 728  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
729 729  
730 730  [[image:image-20220524090456-4.png]]
... ... @@ -738,7 +738,6 @@
738 738  00000101: Means both DI1 and DI2 trigger are enabled.
739 739  
740 740  
741 -
742 742  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
743 743  
744 744  Downlink command to poll MOD6 status:
... ... @@ -754,37 +754,27 @@
754 754  (((
755 755  
756 756  
757 -**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 +
758 758  )))
759 759  
760 760  
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 -
782 782  === 3.4.1 Common Commands ===
783 783  
784 -
785 -(((
786 786  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 -)))
788 788  
789 789  
790 790  
... ... @@ -793,12 +793,11 @@
793 793  
794 794  ==== 3.4.2.1 Set Transmit Interval ====
795 795  
796 -
797 797  Set device uplink interval.
798 798  
799 799  * (% style="color:#037691" %)**AT Command:**
800 800  
801 -(% style="color:blue" %)**AT+TDC=N **
748 +**AT+TDC=N **
802 802  
803 803  
804 804  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -806,18 +806,18 @@
806 806  
807 807  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
808 808  
809 -(% 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)**
810 810  
811 811  
812 812  
760 +
813 813  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
814 814  
815 -
816 816  Set work mode.
817 817  
818 818  * (% style="color:#037691" %)**AT Command:**
819 819  
820 -(% style="color:blue" %)**AT+MOD=N  **
767 +**AT+MOD=N  **
821 821  
822 822  
823 823  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -825,13 +825,13 @@
825 825  
826 826  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
827 827  
828 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
775 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
829 829  
830 830  
831 831  
779 +
832 832  ==== 3.4.2.3 Poll an uplink ====
833 833  
834 -
835 835  * (% style="color:#037691" %)**AT Command:**
836 836  
837 837  There is no AT Command to poll uplink
... ... @@ -839,30 +839,29 @@
839 839  
840 840  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
841 841  
842 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
789 +**0x08 FF     **~/~/ Poll an uplink
843 843  
844 -
845 845  **Example**: 0x08FF, ask device to send an Uplink
846 846  
847 847  
848 848  
795 +
849 849  ==== 3.4.2.4 Enable Trigger Mode ====
850 850  
851 -
852 852  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
853 853  
854 854  * (% style="color:#037691" %)**AT Command:**
855 855  
856 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
802 +**AT+ADDMOD6=1 or 0**
857 857  
858 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
804 +1: Enable Trigger Mode
859 859  
860 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
806 +0: Disable Trigger Mode
861 861  
862 862  
863 863  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
864 864  
865 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
811 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
866 866  
867 867  
868 868  
... ... @@ -869,7 +869,6 @@
869 869  
870 870  ==== 3.4.2.5 Poll trigger settings ====
871 871  
872 -
873 873  Poll trigger settings,
874 874  
875 875  * (% style="color:#037691" %)**AT Command:**
... ... @@ -879,18 +879,18 @@
879 879  
880 880  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
881 881  
882 -(% 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
883 883  
884 884  
885 885  
831 +
886 886  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
887 887  
888 -
889 889  Enable Disable DI1/DI2/DI2 as trigger,
890 890  
891 891  * (% style="color:#037691" %)**AT Command:**
892 892  
893 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
838 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
894 894  
895 895  
896 896  **Example:**
... ... @@ -899,22 +899,22 @@
899 899  
900 900  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
901 901  
902 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
847 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
903 903  
904 904  
905 905  
851 +
906 906  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
907 907  
908 -
909 909  Set DI1 or DI3(for LT-33222-L) trigger.
910 910  
911 911  * (% style="color:#037691" %)**AT Command:**
912 912  
913 -(% style="color:blue" %)**AT+TRIG1=a,b**
858 +**AT+TRIG1=a,b**
914 914  
915 -(% 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).
916 916  
917 -(% style="color:red" %)**b :** (%%)delay timing.
862 +b : delay timing.
918 918  
919 919  
920 920  **Example:**
... ... @@ -923,25 +923,22 @@
923 923  
924 924  
925 925  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
871 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
926 926  
927 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
928 -
929 -
930 -
931 931  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
932 932  
933 -
934 934  Set DI2 trigger.
935 935  
936 936  * (% style="color:#037691" %)**AT Command:**
937 937  
938 -(% style="color:blue" %)**AT+TRIG2=a,b**
879 +**AT+TRIG2=a,b**
939 939  
940 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
941 941  
942 -(% style="color:red" %)**b :** (%%)delay timing.
882 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
943 943  
884 +b : delay timing.
944 944  
886 +
945 945  **Example:**
946 946  
947 947  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -949,67 +949,67 @@
949 949  
950 950  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
951 951  
952 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
894 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
953 953  
954 954  
955 955  
898 +
956 956  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
957 957  
958 -
959 959  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
960 960  
961 961  * (% style="color:#037691" %)**AT Command**
962 962  
963 -(% style="color:blue" %)**AT+ACLIM**
905 +**AT+ACLIM**
964 964  
965 965  
966 966  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
967 967  
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"]]
910 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
969 969  
970 970  
971 971  
914 +
972 972  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
973 973  
974 -
975 975  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
976 976  
977 977  * (% style="color:#037691" %)**AT Command**
978 978  
979 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
921 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
980 980  
981 981  
982 982  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
983 983  
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"]]
926 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985 985  
986 986  
987 987  
930 +
988 988  ==== 3.4.2.11 Trigger – Set minimum interval ====
989 989  
990 -
991 991  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
992 992  
993 993  * (% style="color:#037691" %)**AT Command**
994 994  
995 -(% 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.
996 996  
997 997  
998 998  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
999 999  
1000 -(% 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)
1001 1001  
1002 1002  (((
1003 1003  
1004 1004  
1005 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
947 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1006 1006  )))
1007 1007  
1008 1008  
1009 1009  
952 +
1010 1010  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1011 1011  
1012 -
1013 1013  * (% style="color:#037691" %)**AT Command**
1014 1014  
1015 1015  There is no AT Command to control Digital Output
... ... @@ -1016,7 +1016,7 @@
1016 1016  
1017 1017  
1018 1018  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1019 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
961 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1020 1020  
1021 1021  (((
1022 1022  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1029,18 +1029,18 @@
1029 1029  [[image:image-20220524092754-5.png]]
1030 1030  
1031 1031  (((
1032 -(% 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.
1033 1033  )))
1034 1034  
1035 1035  (((
1036 -(% 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.
1037 1037  )))
1038 1038  
1039 1039  
1040 1040  
983 +
1041 1041  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1042 1042  
1043 -
1044 1044  * (% style="color:#037691" %)**AT Command**
1045 1045  
1046 1046  There is no AT Command to control Digital Output
... ... @@ -1048,7 +1048,7 @@
1048 1048  
1049 1049  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1050 1050  
1051 -(% 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
1052 1052  
1053 1053  
1054 1054  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1077,11 +1077,11 @@
1077 1077  [[image:image-20220524093351-8.png]]
1078 1078  
1079 1079  
1080 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1022 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1081 1081  
1082 1082   Latching time. Unit: ms
1083 1083  
1084 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1026 +Device will upload a packet if downlink code executes successfully.
1085 1085  
1086 1086  
1087 1087  **Example payload:**
... ... @@ -1104,9 +1104,9 @@
1104 1104  
1105 1105  
1106 1106  
1049 +
1107 1107  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1108 1108  
1109 -
1110 1110  * (% style="color:#037691" %)**AT Command:**
1111 1111  
1112 1112  There is no AT Command to control Relay Output
... ... @@ -1114,7 +1114,7 @@
1114 1114  
1115 1115  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1116 1116  
1117 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1059 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1118 1118  
1119 1119  
1120 1120  (((
... ... @@ -1129,7 +1129,7 @@
1129 1129  [[image:image-20220524093724-9.png]]
1130 1130  )))
1131 1131  
1132 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1074 +Device will upload a packet if downlink code executes successfully.
1133 1133  
1134 1134  
1135 1135  
... ... @@ -1136,7 +1136,6 @@
1136 1136  
1137 1137  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1138 1138  
1139 -
1140 1140  * (% style="color:#037691" %)**AT Command:**
1141 1141  
1142 1142  There is no AT Command to control Relay Output
... ... @@ -1144,7 +1144,7 @@
1144 1144  
1145 1145  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1146 1146  
1147 -(% 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
1148 1148  
1149 1149  
1150 1150  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1160,12 +1160,12 @@
1160 1160  
1161 1161  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1162 1162  
1163 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1104 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1164 1164  
1165 1165  
1166 -(% 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
1167 1167  
1168 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1109 +Device will upload a packet if downlink code executes successfully.
1169 1169  
1170 1170  
1171 1171  **Example payload:**
... ... @@ -1188,183 +1188,82 @@
1188 1188  
1189 1189  
1190 1190  
1132 +
1191 1191  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1192 1192  
1193 -
1194 1194  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1195 1195  
1196 1196  * (% style="color:#037691" %)**AT Command:**
1197 1197  
1198 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1139 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 1199  
1200 1200  
1201 1201  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1202 1202  
1203 -(% 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
1204 1204  
1205 1205  
1206 1206  
1148 +
1207 1207  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1208 1208  
1209 -
1210 1210  * (% style="color:#037691" %)**AT Command:**
1211 1211  
1212 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1153 +**AT+SETCNT=aa,(bb cc dd ee) **
1213 1213  
1214 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1155 +aa: 1: Set count1,
1215 1215  
1216 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1157 +2: Set count2,
1217 1217  
1159 +3: Set AV1 count
1218 1218  
1161 +Bb cc dd ee: number to be set
1162 +
1163 +
1219 1219  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1220 1220  
1221 -(% 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)
1222 1222  
1223 1223  
1224 1224  
1170 +
1225 1225  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1226 1226  
1227 -
1228 1228  Clear counting for counting mode
1229 1229  
1230 1230  * (% style="color:#037691" %)**AT Command:**
1231 1231  
1232 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1177 +**AT+CLRCOUNT ** ~/~/ clear all counting
1233 1233  
1234 1234  
1235 1235  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1236 1236  
1237 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1182 +**0x A6 01    ** ~/~/ clear all counting
1238 1238  
1239 1239  
1240 1240  
1186 +
1241 1241  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1242 1242  
1243 -
1244 1244  * (% style="color:#037691" %)**AT Command:**
1245 1245  
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)
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)
1247 1247  
1248 1248  
1249 1249  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1250 1250  
1251 -(% 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,
1252 1252  
1253 1253  (((
1254 1254  range: aa bb cc:0 to 16777215,  (unit:second)
1255 -)))
1256 1256  
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 -
1356 1356  
1357 1357  )))
1358 1358  
1359 -**Example：**
1360 1360  
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"]]
1362 1362  
1363 -
1364 -
1365 1365  == 3.5 Integrate with Mydevice ==
1366 1366  
1367 -
1368 1368  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:
1369 1369  
1370 1370  (((
... ... @@ -1373,8 +1373,6 @@
1373 1373  
1374 1374  (((
1375 1375  (% 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 -
1378 1378  )))
1379 1379  
1380 1380  [[image:image-20220719105525-1.png||height="377" width="677"]]
... ... @@ -1414,10 +1414,8 @@
1414 1414  
1415 1415  == 3.6 Interface Detail ==
1416 1416  
1417 -
1418 1418  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1419 1419  
1420 -
1421 1421  Support NPN Type sensor
1422 1422  
1423 1423  [[image:1653356991268-289.png]]
... ... @@ -1426,7 +1426,6 @@
1426 1426  
1427 1427  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1428 1428  
1429 -
1430 1430  (((
1431 1431  The DI port of LT-22222-L can support NPN or PNP output sensor.
1432 1432  )))
... ... @@ -1433,9 +1433,7 @@
1433 1433  
1434 1434  (((
1435 1435  (((
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 -
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
1439 1439  )))
1440 1440  )))
1441 1441  
... ... @@ -1460,10 +1460,10 @@
1460 1460  )))
1461 1461  
1462 1462  * (((
1463 -Connect sensor's output to DI1-
1296 +Connect sensor’s output to DI1-
1464 1464  )))
1465 1465  * (((
1466 -Connect sensor's VCC to DI1+.
1299 +Connect sensor’s VCC to DI1+.
1467 1467  )))
1468 1468  
1469 1469  (((
... ... @@ -1471,17 +1471,15 @@
1471 1471  )))
1472 1472  
1473 1473  (((
1474 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1307 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1475 1475  )))
1476 1476  
1477 1477  (((
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.
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.
1479 1479  )))
1480 1480  
1481 1481  (((
1482 1482  
1483 -
1484 -
1485 1485  )))
1486 1486  
1487 1487  (((
... ... @@ -1493,10 +1493,10 @@
1493 1493  )))
1494 1494  
1495 1495  * (((
1496 -Connect sensor's output to DI1+
1327 +Connect sensor’s output to DI1+
1497 1497  )))
1498 1498  * (((
1499 -Connect sensor's GND DI1-.
1330 +Connect sensor’s GND DI1-.
1500 1500  )))
1501 1501  
1502 1502  (((
... ... @@ -1513,8 +1513,6 @@
1513 1513  
1514 1514  (((
1515 1515  
1516 -
1517 -
1518 1518  )))
1519 1519  
1520 1520  (((
... ... @@ -1526,10 +1526,10 @@
1526 1526  )))
1527 1527  
1528 1528  * (((
1529 -Connect sensor's output to DI1+ with a serial 50K resistor
1358 +Connect sensor’s output to DI1+ with a serial 50K resistor
1530 1530  )))
1531 1531  * (((
1532 -Connect sensor's GND DI1-.
1361 +Connect sensor’s GND DI1-.
1533 1533  )))
1534 1534  
1535 1535  (((
... ... @@ -1548,7 +1548,6 @@
1548 1548  
1549 1549  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1550 1550  
1551 -
1552 1552  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1553 1553  
1554 1554  [[image:1653357531600-905.png]]
... ... @@ -1557,7 +1557,6 @@
1557 1557  
1558 1558  === 3.6.4 Analog Input Interface ===
1559 1559  
1560 -
1561 1561  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:
1562 1562  
1563 1563  
... ... @@ -1570,13 +1570,13 @@
1570 1570  We take the wind speed sensor as an example for reference only.
1571 1571  
1572 1572  
1573 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1400 +**Specifications of the wind speed sensor:**
1574 1574  
1575 -**Red:  12~~24v**
1402 +Red:  12~~24v
1576 1576  
1577 -**Yellow:  4~~20mA**
1404 +Yellow:  4~~20mA
1578 1578  
1579 -**Black:  GND**
1406 +Black:  GND
1580 1580  
1581 1581  
1582 1582  **Connection diagram:**
... ... @@ -1589,7 +1589,6 @@
1589 1589  
1590 1590  === 3.6.5 Relay Output ===
1591 1591  
1592 -
1593 1593  (((
1594 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 1595  )))
... ... @@ -1596,7 +1596,6 @@
1596 1596  
1597 1597  [[image:image-20220524100215-9.png]]
1598 1598  
1599 -
1600 1600  [[image:image-20220524100215-10.png||height="382" width="723"]]
1601 1601  
1602 1602  
... ... @@ -1603,7 +1603,6 @@
1603 1603  
1604 1604  == 3.7 LEDs Indicators ==
1605 1605  
1606 -
1607 1607  [[image:image-20220524100748-11.png]]
1608 1608  
1609 1609  
... ... @@ -1610,18 +1610,10 @@
1610 1610  
1611 1611  = 4. Use AT Command =
1612 1612  
1613 -
1614 1614  == 4.1 Access AT Command ==
1615 1615  
1616 -
1617 -(((
1618 1618  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 -)))
1620 1620  
1621 -(((
1622 -
1623 -)))
1624 -
1625 1625  [[image:1653358238933-385.png]]
1626 1626  
1627 1627  
... ... @@ -1649,7 +1649,7 @@
1649 1649  )))
1650 1650  
1651 1651  (((
1652 -AT+<CMD>=?       :  Get the value
1468 +AT+<CMD>=?       : Get the value
1653 1653  )))
1654 1654  
1655 1655  (((
... ... @@ -1677,11 +1677,11 @@
1677 1677  )))
1678 1678  
1679 1679  (((
1680 -AT+APPSKEY:  Get or Set the Application Session Key
1496 +AT+APPSKEY: Get or Set the Application Session Key
1681 1681  )))
1682 1682  
1683 1683  (((
1684 -AT+APPEUI:  Get or Set the Application EUI
1500 +AT+APPEUI: Get or Set the Application EUI
1685 1685  )))
1686 1686  
1687 1687  (((
... ... @@ -1693,7 +1693,7 @@
1693 1693  )))
1694 1694  
1695 1695  (((
1696 -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)  
1697 1697  )))
1698 1698  
1699 1699  (((
... ... @@ -1729,7 +1729,7 @@
1729 1729  )))
1730 1730  
1731 1731  (((
1732 -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)
1733 1733  )))
1734 1734  
1735 1735  (((
... ... @@ -1773,7 +1773,7 @@
1773 1773  )))
1774 1774  
1775 1775  (((
1776 -AT+VER:  Get current image version and Frequency Band
1592 +AT+VER: Get current image version and Frequency Band
1777 1777  )))
1778 1778  
1779 1779  (((
... ... @@ -1781,7 +1781,7 @@
1781 1781  )))
1782 1782  
1783 1783  (((
1784 -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)
1785 1785  )))
1786 1786  
1787 1787  (((
... ... @@ -1824,48 +1824,45 @@
1824 1824  
1825 1825  == 4.2 Common AT Command Sequence ==
1826 1826  
1827 -
1828 1828  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1829 1829  
1830 1830  (((
1831 1831  
1832 1832  
1833 -(((
1834 -(% style="color:blue" %)**If device has not joined network yet:**
1648 +**If device has not joined network yet:**
1835 1835  )))
1836 -)))
1837 1837  
1838 1838  (((
1839 -(% style="background-color:#dcdcdc" %)**123456**
1652 +(% style="background-color:#dcdcdc" %)123456
1840 1840  )))
1841 1841  
1842 1842  (((
1843 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1656 +(% style="background-color:#dcdcdc" %)AT+FDR
1844 1844  )))
1845 1845  
1846 1846  (((
1847 -(% style="background-color:#dcdcdc" %)**123456**
1660 +(% style="background-color:#dcdcdc" %)123456
1848 1848  )))
1849 1849  
1850 1850  (((
1851 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1664 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1852 1852  )))
1853 1853  
1854 1854  (((
1855 -(% style="background-color:#dcdcdc" %)**ATZ**
1668 +(% style="background-color:#dcdcdc" %)ATZ
1856 1856  )))
1857 1857  
1858 1858  
1859 1859  (((
1860 -(% style="color:blue" %)**If device already joined network:**
1673 +**If device already joined network:**
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1677 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1865 1865  )))
1866 1866  
1867 1867  (((
1868 -(% style="background-color:#dcdcdc" %)**ATZ**
1681 +(% style="background-color:#dcdcdc" %)ATZ
1869 1869  )))
1870 1870  
1871 1871  
... ... @@ -1875,57 +1875,55 @@
1875 1875  (((
1876 1876  
1877 1877  
1878 -(((
1879 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1691 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1880 1880  )))
1881 -)))
1882 1882  
1883 1883  (((
1884 -(% 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
1885 1885  )))
1886 1886  
1887 1887  (((
1888 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1699 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% 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
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1707 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% 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
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1715 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1905 1905  )))
1906 1906  
1907 1907  (((
1908 -(% 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
1909 1909  )))
1910 1910  
1911 1911  (((
1912 -(% 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
1913 1913  )))
1914 1914  
1915 1915  (((
1916 -(% 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)
1917 1917  )))
1918 1918  
1919 1919  (((
1920 -(% 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
1921 1921  )))
1922 1922  
1923 1923  (((
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.
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.
1925 1925  )))
1926 1926  
1927 1927  (((
1928 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1739 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1929 1929  
1930 1930  
1931 1931  )))
... ... @@ -1935,16 +1935,10 @@
1935 1935  )))
1936 1936  
1937 1937  (((
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 -
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
1948 1948  )))
1949 1949  
1950 1950  (((
... ... @@ -1958,19 +1958,13 @@
1958 1958  
1959 1959  === 4.2.3 Change to Class A ===
1960 1960  
1766 +If sensor JOINED
1767 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1768 +ATZ
1961 1961  
1962 -(((
1963 -(% style="color:blue" %)**If sensor JOINED:**
1964 1964  
1965 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1966 -ATZ**
1967 -)))
1968 -
1969 -
1970 -
1971 1971  = 5. FAQ =
1972 1972  
1973 -
1974 1974  == 5.1 How to upgrade the image? ==
1975 1975  
1976 1976  
... ... @@ -1987,18 +1987,14 @@
1987 1987  
1988 1988  (((
1989 1989  (% 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]].
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]].
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/]].
1991 1991  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1992 1992  
1993 1993  
1994 -(((
1995 1995  (% style="color:blue" %)**For LT-22222-L**(%%):
1996 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.
1997 1997  )))
1998 1998  
1999 -
2000 -)))
2001 -
2002 2002   [[image:image-20220524103407-12.png]]
2003 2003  
2004 2004  [[image:image-20220524103429-13.png]]
... ... @@ -2008,7 +2008,6 @@
2008 2008  
2009 2009  (% 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:
2010 2010  
2011 -
2012 2012  [[image:1653360054704-518.png||height="186" width="745"]]
2013 2013  
2014 2014  
... ... @@ -2017,8 +2017,6 @@
2017 2017  
2018 2018  
2019 2019  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2020 -
2021 -
2022 2022  )))
2023 2023  )))
2024 2024  
... ... @@ -2029,10 +2029,7 @@
2029 2029  (((
2030 2030  
2031 2031  
2032 -
2033 2033  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2034 -
2035 -
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  
... ... @@ -2093,21 +2093,16 @@
2093 2093  [[image:1653360498588-932.png||height="485" width="726"]]
2094 2094  
2095 2095  
2096 -
2097 2097  == 5.4 Can I see counting event in Serial? ==
2098 2098  
2099 -
2100 2100  (((
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.
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.
2102 2102  
2103 2103  
2104 -
2105 2105  == 5.5 Can i use point to point communication for LT-22222-L? ==
2106 2106  
1887 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2107 2107  
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 -
2111 2111  
2112 2112  )))
2113 2113  
... ... @@ -2114,7 +2114,6 @@
2114 2114  (((
2115 2115  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2116 2116  
2117 -
2118 2118  If the device is not shut down, but directly powered off.
2119 2119  
2120 2120  It will default that this is a power-off state.
... ... @@ -2124,27 +2124,12 @@
2124 2124  After restart, the status before power failure will be read from flash.
2125 2125  
2126 2126  
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 -
2138 2138  = 6. Trouble Shooting =
2139 -
2140 -
2141 2141  )))
2142 2142  
2143 2143  (((
2144 2144  (((
2145 2145  == 6.1 Downlink doesn't work, how to solve it? ==
2146 -
2147 -
2148 2148  )))
2149 2149  )))
2150 2150  
... ... @@ -2155,10 +2155,7 @@
2155 2155  (((
2156 2156  
2157 2157  
2158 -
2159 2159  == 6.2 Have trouble to upload image. ==
2160 -
2161 -
2162 2162  )))
2163 2163  
2164 2164  (((
... ... @@ -2168,10 +2168,7 @@
2168 2168  (((
2169 2169  
2170 2170  
2171 -
2172 2172  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2173 -
2174 -
2175 2175  )))
2176 2176  
2177 2177  (((
... ... @@ -2179,7 +2179,6 @@
2179 2179  )))
2180 2180  
2181 2181  
2182 -
2183 2183  = 7. Order Info =
2184 2184  
2185 2185  
... ... @@ -2197,9 +2197,6 @@
2197 2197  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2198 2198  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2199 2199  
2200 -
2201 -
2202 -
2203 2203  = 8. Packing Info =
2204 2204  
2205 2205  
... ... @@ -2217,26 +2217,18 @@
2217 2217  * Package Size / pcs : 14.5 x 8 x 5 cm
2218 2218  * Weight / pcs : 170g
2219 2219  
2220 -
2221 -
2222 -
2223 2223  = 9. Support =
2224 2224  
2225 -
2226 2226  * (((
2227 2227  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.
2228 2228  )))
2229 2229  * (((
2230 2230  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]]
2231 -
2232 -
2233 -
2234 -
2235 2235  )))
2236 2236  
2237 2237  = 10. Reference​​​​​ =
2238 2238  
2239 -
2240 2240  * 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]]
2241 -* [[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/]]
2242 2242  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
image-20221006170630-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
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