Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 102.5 >
edited by Xiaoling
on 2022/10/29 10:07
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
... ... @@ -188,6 +188,8 @@
188 188  
189 189  
190 190  
188 +
189 +
191 191  == 1.4  Applications ==
192 192  
193 193  
... ... @@ -200,6 +200,8 @@
200 200  
201 201  
202 202  
202 +
203 +
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
... ... @@ -216,17 +216,14 @@
216 216  
217 217  
218 218  
220 +
219 219  = 2. Power ON Device =
220 220  
221 221  
222 -(((
223 223  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.
224 -)))
225 225  
226 226  (((
227 227  PWR will on when device is properly powered.
228 -
229 -
230 230  )))
231 231  
232 232  [[image:1653297104069-180.png]]
... ... @@ -235,7 +235,6 @@
235 235  
236 236  = 3. Operation Mode =
237 237  
238 -
239 239  == 3.1 How it works? ==
240 240  
241 241  
... ... @@ -280,21 +280,18 @@
280 280  
281 281  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
282 282  
283 -**Add APP EUI in the application.**
280 +Add APP EUI in the application.
284 284  
285 285  [[image:1653297955910-247.png||height="321" width="716"]]
286 286  
287 287  
288 -**Add APP KEY and DEV EUI**
285 +Add APP KEY and DEV EUI
289 289  
290 290  [[image:1653298023685-319.png]]
291 291  
292 292  
293 -
294 294  (((
295 295  (% 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.
296 -
297 -
298 298  )))
299 299  
300 300  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -303,7 +303,6 @@
303 303  
304 304  == 3.3 Uplink Payload ==
305 305  
306 -
307 307  There are five working modes + one interrupt mode on LT for different type application:
308 308  
309 309  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -313,15 +313,9 @@
313 313  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
314 314  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
315 315  
316 -
317 -
318 -
319 319  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
320 320  
321 -
322 -(((
323 323  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
324 -)))
325 325  
326 326  [[image:image-20220523174024-3.png]]
327 327  
... ... @@ -337,7 +337,7 @@
337 337  * DI is for digital input. DIx=1: high or float, DIx=0: low.
338 338  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
339 339  
340 -(% 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
341 341  
342 342  For example if payload is: [[image:image-20220523175847-2.png]]
343 343  
... ... @@ -372,15 +372,10 @@
372 372  ** DO1 is high in case there is load between DO1 and V+.
373 373  ** DO1 LED is off in both case
374 374  
375 -
376 -
377 -
378 378  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
379 379  
380 380  
381 -(((
382 382  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
383 -)))
384 384  
385 385  (((
386 386  Total : 11 bytes payload
... ... @@ -400,7 +400,7 @@
400 400  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
401 401  
402 402  (((
403 -(% 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.
404 404  )))
405 405  
406 406  (((
... ... @@ -412,22 +412,16 @@
412 412  (% class="box infomessage" %)
413 413  (((
414 414  (((
415 -(((
416 416  **AT+MOD=2**
417 -)))
418 418  
419 -(((
420 420  **ATZ**
421 421  )))
422 422  )))
423 -)))
424 424  
425 425  (((
426 426  
427 427  
428 428  (% style="color:#4f81bd" %)**AT Commands for counting:**
429 -
430 -
431 431  )))
432 432  
433 433  (((
... ... @@ -451,7 +451,6 @@
451 451  
452 452  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
453 453  
454 -
455 455  **LT22222-L**: This mode the DI1 is used as a counting pin.
456 456  
457 457  [[image:image-20220523181246-5.png]]
... ... @@ -469,7 +469,7 @@
469 469  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
470 470  
471 471  (((
472 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
447 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
473 473  )))
474 474  
475 475  
... ... @@ -480,15 +480,11 @@
480 480  (% class="box infomessage" %)
481 481  (((
482 482  (((
483 -(((
484 484  **AT+MOD=3**
485 -)))
486 486  
487 -(((
488 488  **ATZ**
489 489  )))
490 490  )))
491 -)))
492 492  
493 493  (((
494 494  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -499,13 +499,9 @@
499 499  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
500 500  
501 501  
502 -(((
503 503  **LT22222-L**: This mode the DI1 is used as a counting pin.
504 -)))
505 505  
506 -(((
507 507  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.
508 -)))
509 509  
510 510  [[image:image-20220523181903-8.png]]
511 511  
... ... @@ -521,7 +521,7 @@
521 521  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
522 522  
523 523  (((
524 -(% 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.
525 525  )))
526 526  
527 527  (((
... ... @@ -533,17 +533,14 @@
533 533  (% class="box infomessage" %)
534 534  (((
535 535  (((
536 -(((
537 537  **AT+MOD=4**
538 -)))
539 539  
540 -(((
541 541  **ATZ**
542 542  )))
543 543  )))
544 -)))
545 545  
546 546  
510 +
547 547  (((
548 548  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
549 549  )))
... ... @@ -585,7 +585,7 @@
585 585  )))
586 586  
587 587  (((
588 -(% 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.
589 589  )))
590 590  
591 591  (((
... ... @@ -597,15 +597,11 @@
597 597  (% class="box infomessage" %)
598 598  (((
599 599  (((
600 -(((
601 601  **AT+MOD=5**
602 -)))
603 603  
604 -(((
605 605  **ATZ**
606 606  )))
607 607  )))
608 -)))
609 609  
610 610  (((
611 611  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -635,7 +635,6 @@
635 635  
636 636  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
637 637  
638 -
639 639  **Example:**
640 640  
641 641  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)
... ... @@ -648,7 +648,6 @@
648 648  
649 649  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
650 650  
651 -
652 652  **Example:**
653 653  
654 654  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -667,7 +667,6 @@
667 667  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
668 668  
669 669  
670 -
671 671  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
672 672  
673 673  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -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]]
... ... @@ -728,7 +728,6 @@
728 728  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
729 729  
730 730  
731 -
732 732  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
733 733  
734 734  [[image:image-20220524090456-4.png]]
... ... @@ -742,7 +742,6 @@
742 742  00000101: Means both DI1 and DI2 trigger are enabled.
743 743  
744 744  
745 -
746 746  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
747 747  
748 748  Downlink command to poll MOD6 status:
... ... @@ -758,36 +758,27 @@
758 758  (((
759 759  
760 760  
761 -**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 +
762 762  )))
763 763  
764 764  
765 -
766 766  == 3.4 ​Configure LT via AT or Downlink ==
767 767  
768 -
769 -(((
770 770  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
771 -)))
772 772  
773 773  (((
774 -(((
775 775  There are two kinds of Commands:
776 776  )))
777 -)))
778 778  
779 -* (% 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]]
780 780  
781 -* (% 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:
782 782  
783 -
784 -
785 785  === 3.4.1 Common Commands ===
786 786  
787 -
788 -(((
789 789  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]]
790 -)))
791 791  
792 792  
793 793  
... ... @@ -796,12 +796,11 @@
796 796  
797 797  ==== 3.4.2.1 Set Transmit Interval ====
798 798  
799 -
800 800  Set device uplink interval.
801 801  
802 802  * (% style="color:#037691" %)**AT Command:**
803 803  
804 -(% style="color:blue" %)**AT+TDC=N **
748 +**AT+TDC=N **
805 805  
806 806  
807 807  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -809,18 +809,18 @@
809 809  
810 810  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
811 811  
812 -(% 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)**
813 813  
814 814  
815 815  
760 +
816 816  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
817 817  
818 -
819 819  Set work mode.
820 820  
821 821  * (% style="color:#037691" %)**AT Command:**
822 822  
823 -(% style="color:blue" %)**AT+MOD=N  **
767 +**AT+MOD=N  **
824 824  
825 825  
826 826  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -828,13 +828,13 @@
828 828  
829 829  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
830 830  
831 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
775 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
832 832  
833 833  
834 834  
779 +
835 835  ==== 3.4.2.3 Poll an uplink ====
836 836  
837 -
838 838  * (% style="color:#037691" %)**AT Command:**
839 839  
840 840  There is no AT Command to poll uplink
... ... @@ -842,30 +842,29 @@
842 842  
843 843  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
844 844  
845 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
789 +**0x08 FF     **~/~/ Poll an uplink
846 846  
847 -
848 848  **Example**: 0x08FF, ask device to send an Uplink
849 849  
850 850  
851 851  
795 +
852 852  ==== 3.4.2.4 Enable Trigger Mode ====
853 853  
854 -
855 855  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
856 856  
857 857  * (% style="color:#037691" %)**AT Command:**
858 858  
859 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
802 +**AT+ADDMOD6=1 or 0**
860 860  
861 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
804 +1: Enable Trigger Mode
862 862  
863 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
806 +0: Disable Trigger Mode
864 864  
865 865  
866 866  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
867 867  
868 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
811 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
869 869  
870 870  
871 871  
... ... @@ -872,7 +872,6 @@
872 872  
873 873  ==== 3.4.2.5 Poll trigger settings ====
874 874  
875 -
876 876  Poll trigger settings,
877 877  
878 878  * (% style="color:#037691" %)**AT Command:**
... ... @@ -882,18 +882,18 @@
882 882  
883 883  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
884 884  
885 -(% 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
886 886  
887 887  
888 888  
831 +
889 889  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
890 890  
891 -
892 892  Enable Disable DI1/DI2/DI2 as trigger,
893 893  
894 894  * (% style="color:#037691" %)**AT Command:**
895 895  
896 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
838 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
897 897  
898 898  
899 899  **Example:**
... ... @@ -902,22 +902,22 @@
902 902  
903 903  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
904 904  
905 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
847 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
906 906  
907 907  
908 908  
851 +
909 909  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
910 910  
911 -
912 912  Set DI1 or DI3(for LT-33222-L) trigger.
913 913  
914 914  * (% style="color:#037691" %)**AT Command:**
915 915  
916 -(% style="color:blue" %)**AT+TRIG1=a,b**
858 +**AT+TRIG1=a,b**
917 917  
918 -(% 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).
919 919  
920 -(% style="color:red" %)**b :** (%%)delay timing.
862 +b : delay timing.
921 921  
922 922  
923 923  **Example:**
... ... @@ -926,25 +926,22 @@
926 926  
927 927  
928 928  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
871 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
929 929  
930 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
931 -
932 -
933 -
934 934  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
935 935  
936 -
937 937  Set DI2 trigger.
938 938  
939 939  * (% style="color:#037691" %)**AT Command:**
940 940  
941 -(% style="color:blue" %)**AT+TRIG2=a,b**
879 +**AT+TRIG2=a,b**
942 942  
943 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
944 944  
945 -(% style="color:red" %)**b :** (%%)delay timing.
882 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
946 946  
884 +b : delay timing.
947 947  
886 +
948 948  **Example:**
949 949  
950 950  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -952,67 +952,67 @@
952 952  
953 953  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
954 954  
955 -(% 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)
956 956  
957 957  
958 958  
898 +
959 959  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
960 960  
961 -
962 962  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
963 963  
964 964  * (% style="color:#037691" %)**AT Command**
965 965  
966 -(% style="color:blue" %)**AT+ACLIM**
905 +**AT+ACLIM**
967 967  
968 968  
969 969  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
970 970  
971 -(% 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"]]
972 972  
973 973  
974 974  
914 +
975 975  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
976 976  
977 -
978 978  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
979 979  
980 980  * (% style="color:#037691" %)**AT Command**
981 981  
982 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
921 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
983 983  
984 984  
985 985  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
986 986  
987 -(% 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"]]
988 988  
989 989  
990 990  
930 +
991 991  ==== 3.4.2.11 Trigger – Set minimum interval ====
992 992  
993 -
994 994  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
995 995  
996 996  * (% style="color:#037691" %)**AT Command**
997 997  
998 -(% 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.
999 999  
1000 1000  
1001 1001  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1002 1002  
1003 -(% 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)
1004 1004  
1005 1005  (((
1006 1006  
1007 1007  
1008 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
947 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1009 1009  )))
1010 1010  
1011 1011  
1012 1012  
952 +
1013 1013  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1014 1014  
1015 -
1016 1016  * (% style="color:#037691" %)**AT Command**
1017 1017  
1018 1018  There is no AT Command to control Digital Output
... ... @@ -1019,7 +1019,7 @@
1019 1019  
1020 1020  
1021 1021  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1022 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
961 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1023 1023  
1024 1024  (((
1025 1025  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1032,18 +1032,18 @@
1032 1032  [[image:image-20220524092754-5.png]]
1033 1033  
1034 1034  (((
1035 -(% 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.
1036 1036  )))
1037 1037  
1038 1038  (((
1039 -(% 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.
1040 1040  )))
1041 1041  
1042 1042  
1043 1043  
983 +
1044 1044  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1045 1045  
1046 -
1047 1047  * (% style="color:#037691" %)**AT Command**
1048 1048  
1049 1049  There is no AT Command to control Digital Output
... ... @@ -1051,7 +1051,7 @@
1051 1051  
1052 1052  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1053 1053  
1054 -(% 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
1055 1055  
1056 1056  
1057 1057  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1080,11 +1080,11 @@
1080 1080  [[image:image-20220524093351-8.png]]
1081 1081  
1082 1082  
1083 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1022 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1084 1084  
1085 1085   Latching time. Unit: ms
1086 1086  
1087 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1026 +Device will upload a packet if downlink code executes successfully.
1088 1088  
1089 1089  
1090 1090  **Example payload:**
... ... @@ -1107,9 +1107,9 @@
1107 1107  
1108 1108  
1109 1109  
1049 +
1110 1110  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1111 1111  
1112 -
1113 1113  * (% style="color:#037691" %)**AT Command:**
1114 1114  
1115 1115  There is no AT Command to control Relay Output
... ... @@ -1117,7 +1117,7 @@
1117 1117  
1118 1118  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1119 1119  
1120 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1059 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1121 1121  
1122 1122  
1123 1123  (((
... ... @@ -1132,7 +1132,7 @@
1132 1132  [[image:image-20220524093724-9.png]]
1133 1133  )))
1134 1134  
1135 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1074 +Device will upload a packet if downlink code executes successfully.
1136 1136  
1137 1137  
1138 1138  
... ... @@ -1139,7 +1139,6 @@
1139 1139  
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:
... ... @@ -1163,12 +1163,12 @@
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  
1171 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1109 +Device will upload a packet if downlink code executes successfully.
1172 1172  
1173 1173  
1174 1174  **Example payload:**
... ... @@ -1191,183 +1191,82 @@
1191 1191  
1192 1192  
1193 1193  
1132 +
1194 1194  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1195 1195  
1196 -
1197 1197  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1198 1198  
1199 1199  * (% style="color:#037691" %)**AT Command:**
1200 1200  
1201 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1139 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1202 1202  
1203 1203  
1204 1204  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1205 1205  
1206 -(% 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
1207 1207  
1208 1208  
1209 1209  
1148 +
1210 1210  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1211 1211  
1212 -
1213 1213  * (% style="color:#037691" %)**AT Command:**
1214 1214  
1215 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1153 +**AT+SETCNT=aa,(bb cc dd ee) **
1216 1216  
1217 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1155 +aa: 1: Set count1,
1218 1218  
1219 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1157 +2: Set count2,
1220 1220  
1159 +3: Set AV1 count
1221 1221  
1161 +Bb cc dd ee: number to be set
1162 +
1163 +
1222 1222  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1223 1223  
1224 -(% 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)
1225 1225  
1226 1226  
1227 1227  
1170 +
1228 1228  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1229 1229  
1230 -
1231 1231  Clear counting for counting mode
1232 1232  
1233 1233  * (% style="color:#037691" %)**AT Command:**
1234 1234  
1235 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1177 +**AT+CLRCOUNT ** ~/~/ clear all counting
1236 1236  
1237 1237  
1238 1238  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1239 1239  
1240 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1182 +**0x A6 01    ** ~/~/ clear all counting
1241 1241  
1242 1242  
1243 1243  
1186 +
1244 1244  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1245 1245  
1246 -
1247 1247  * (% style="color:#037691" %)**AT Command:**
1248 1248  
1249 -(% 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)
1250 1250  
1251 1251  
1252 1252  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1253 1253  
1254 -(% 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,
1255 1255  
1256 1256  (((
1257 1257  range: aa bb cc:0 to 16777215,  (unit:second)
1258 -)))
1259 1259  
1260 -
1261 -
1262 -==== 3.4.2.20 Reset save DR DO state ====
1263 -
1264 -
1265 -* (% style="color:#037691" %)**AT Command:**
1266 -
1267 -(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1268 -
1269 -(% 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.
1270 -
1271 -
1272 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1273 -
1274 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1275 -
1276 -
1277 -
1278 -==== 3.4.2.21 Encrypted payload ====
1279 -
1280 -
1281 -* (% style="color:#037691" %)**AT Command:**
1282 -
1283 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1284 -
1285 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1286 -
1287 -
1288 -
1289 -==== 3.4.2.22 Get sensor value ====
1290 -
1291 -
1292 -* (% style="color:#037691" %)**AT Command:**
1293 -
1294 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1295 -
1296 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1297 -
1298 -
1299 -
1300 -==== 3.4.2.23 Resets the downlink packet count ====
1301 -
1302 -
1303 -* (% style="color:#037691" %)**AT Command:**
1304 -
1305 -(% 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)
1306 -
1307 -(% 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.
1308 -
1309 -
1310 -
1311 -
1312 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1313 -
1314 -
1315 -* (% style="color:#037691" %)**AT Command:**
1316 -
1317 -(% 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)
1318 -
1319 -(% 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.
1320 -
1321 -
1322 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1323 -
1324 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1325 -
1326 -
1327 -
1328 -
1329 -==== 3.4.2.25 Copy downlink to uplink ====
1330 -
1331 -
1332 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1333 -
1334 -(% 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.
1335 -
1336 -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.
1337 -
1338 -
1339 -[[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"]]
1340 -
1341 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1342 -
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-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1346 -
1347 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1348 -
1349 -
1350 -
1351 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1352 -
1353 -
1354 -* (((
1355 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1356 -
1357 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1358 -
1359 1359  
1360 1360  )))
1361 1361  
1362 -**Example：**
1363 1363  
1364 -[[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"]]
1365 1365  
1366 -
1367 -
1368 1368  == 3.5 Integrate with Mydevice ==
1369 1369  
1370 -
1371 1371  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:
1372 1372  
1373 1373  (((
... ... @@ -1376,8 +1376,6 @@
1376 1376  
1377 1377  (((
1378 1378  (% 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:
1379 -
1380 -
1381 1381  )))
1382 1382  
1383 1383  [[image:image-20220719105525-1.png||height="377" width="677"]]
... ... @@ -1417,10 +1417,8 @@
1417 1417  
1418 1418  == 3.6 Interface Detail ==
1419 1419  
1420 -
1421 1421  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1422 1422  
1423 -
1424 1424  Support NPN Type sensor
1425 1425  
1426 1426  [[image:1653356991268-289.png]]
... ... @@ -1429,7 +1429,6 @@
1429 1429  
1430 1430  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1431 1431  
1432 -
1433 1433  (((
1434 1434  The DI port of LT-22222-L can support NPN or PNP output sensor.
1435 1435  )))
... ... @@ -1436,9 +1436,7 @@
1436 1436  
1437 1437  (((
1438 1438  (((
1439 -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.
1440 -
1441 -
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
1442 1442  )))
1443 1443  )))
1444 1444  
... ... @@ -1463,10 +1463,10 @@
1463 1463  )))
1464 1464  
1465 1465  * (((
1466 -Connect sensor's output to DI1-
1296 +Connect sensor’s output to DI1-
1467 1467  )))
1468 1468  * (((
1469 -Connect sensor's VCC to DI1+.
1299 +Connect sensor’s VCC to DI1+.
1470 1470  )))
1471 1471  
1472 1472  (((
... ... @@ -1474,17 +1474,15 @@
1474 1474  )))
1475 1475  
1476 1476  (((
1477 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1307 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1478 1478  )))
1479 1479  
1480 1480  (((
1481 -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.
1482 1482  )))
1483 1483  
1484 1484  (((
1485 1485  
1486 -
1487 -
1488 1488  )))
1489 1489  
1490 1490  (((
... ... @@ -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  (((
... ... @@ -1516,8 +1516,6 @@
1516 1516  
1517 1517  (((
1518 1518  
1519 -
1520 -
1521 1521  )))
1522 1522  
1523 1523  (((
... ... @@ -1529,10 +1529,10 @@
1529 1529  )))
1530 1530  
1531 1531  * (((
1532 -Connect sensor's output to DI1+ with a serial 50K resistor
1358 +Connect sensor’s output to DI1+ with a serial 50K resistor
1533 1533  )))
1534 1534  * (((
1535 -Connect sensor's GND DI1-.
1361 +Connect sensor’s GND DI1-.
1536 1536  )))
1537 1537  
1538 1538  (((
... ... @@ -1551,7 +1551,6 @@
1551 1551  
1552 1552  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1553 1553  
1554 -
1555 1555  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1556 1556  
1557 1557  [[image:1653357531600-905.png]]
... ... @@ -1560,7 +1560,6 @@
1560 1560  
1561 1561  === 3.6.4 Analog Input Interface ===
1562 1562  
1563 -
1564 1564  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:
1565 1565  
1566 1566  
... ... @@ -1573,13 +1573,13 @@
1573 1573  We take the wind speed sensor as an example for reference only.
1574 1574  
1575 1575  
1576 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1400 +**Specifications of the wind speed sensor:**
1577 1577  
1578 -**Red:  12~~24v**
1402 +Red:  12~~24v
1579 1579  
1580 -**Yellow:  4~~20mA**
1404 +Yellow:  4~~20mA
1581 1581  
1582 -**Black:  GND**
1406 +Black:  GND
1583 1583  
1584 1584  
1585 1585  **Connection diagram:**
... ... @@ -1592,7 +1592,6 @@
1592 1592  
1593 1593  === 3.6.5 Relay Output ===
1594 1594  
1595 -
1596 1596  (((
1597 1597  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:
1598 1598  )))
... ... @@ -1599,7 +1599,6 @@
1599 1599  
1600 1600  [[image:image-20220524100215-9.png]]
1601 1601  
1602 -
1603 1603  [[image:image-20220524100215-10.png||height="382" width="723"]]
1604 1604  
1605 1605  
... ... @@ -1606,7 +1606,6 @@
1606 1606  
1607 1607  == 3.7 LEDs Indicators ==
1608 1608  
1609 -
1610 1610  [[image:image-20220524100748-11.png]]
1611 1611  
1612 1612  
... ... @@ -1613,18 +1613,10 @@
1613 1613  
1614 1614  = 4. Use AT Command =
1615 1615  
1616 -
1617 1617  == 4.1 Access AT Command ==
1618 1618  
1619 -
1620 -(((
1621 1621  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.
1622 -)))
1623 1623  
1624 -(((
1625 -
1626 -)))
1627 -
1628 1628  [[image:1653358238933-385.png]]
1629 1629  
1630 1630  
... ... @@ -1652,7 +1652,7 @@
1652 1652  )))
1653 1653  
1654 1654  (((
1655 -AT+<CMD>=?       :  Get the value
1468 +AT+<CMD>=?       : Get the value
1656 1656  )))
1657 1657  
1658 1658  (((
... ... @@ -1680,11 +1680,11 @@
1680 1680  )))
1681 1681  
1682 1682  (((
1683 -AT+APPSKEY:  Get or Set the Application Session Key
1496 +AT+APPSKEY: Get or Set the Application Session Key
1684 1684  )))
1685 1685  
1686 1686  (((
1687 -AT+APPEUI:  Get or Set the Application EUI
1500 +AT+APPEUI: Get or Set the Application EUI
1688 1688  )))
1689 1689  
1690 1690  (((
... ... @@ -1696,7 +1696,7 @@
1696 1696  )))
1697 1697  
1698 1698  (((
1699 -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)  
1700 1700  )))
1701 1701  
1702 1702  (((
... ... @@ -1732,7 +1732,7 @@
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -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)
1736 1736  )))
1737 1737  
1738 1738  (((
... ... @@ -1776,7 +1776,7 @@
1776 1776  )))
1777 1777  
1778 1778  (((
1779 -AT+VER:  Get current image version and Frequency Band
1592 +AT+VER: Get current image version and Frequency Band
1780 1780  )))
1781 1781  
1782 1782  (((
... ... @@ -1784,7 +1784,7 @@
1784 1784  )))
1785 1785  
1786 1786  (((
1787 -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)
1788 1788  )))
1789 1789  
1790 1790  (((
... ... @@ -1827,48 +1827,45 @@
1827 1827  
1828 1828  == 4.2 Common AT Command Sequence ==
1829 1829  
1830 -
1831 1831  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1832 1832  
1833 1833  (((
1834 1834  
1835 1835  
1836 -(((
1837 -(% style="color:blue" %)**If device has not joined network yet:**
1648 +**If device has not joined network yet:**
1838 1838  )))
1839 -)))
1840 1840  
1841 1841  (((
1842 -(% style="background-color:#dcdcdc" %)**123456**
1652 +(% style="background-color:#dcdcdc" %)123456
1843 1843  )))
1844 1844  
1845 1845  (((
1846 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1656 +(% style="background-color:#dcdcdc" %)AT+FDR
1847 1847  )))
1848 1848  
1849 1849  (((
1850 -(% style="background-color:#dcdcdc" %)**123456**
1660 +(% style="background-color:#dcdcdc" %)123456
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1664 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1855 1855  )))
1856 1856  
1857 1857  (((
1858 -(% style="background-color:#dcdcdc" %)**ATZ**
1668 +(% style="background-color:#dcdcdc" %)ATZ
1859 1859  )))
1860 1860  
1861 1861  
1862 1862  (((
1863 -(% style="color:blue" %)**If device already joined network:**
1673 +**If device already joined network:**
1864 1864  )))
1865 1865  
1866 1866  (((
1867 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1677 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1868 1868  )))
1869 1869  
1870 1870  (((
1871 -(% style="background-color:#dcdcdc" %)**ATZ**
1681 +(% style="background-color:#dcdcdc" %)ATZ
1872 1872  )))
1873 1873  
1874 1874  
... ... @@ -1878,57 +1878,55 @@
1878 1878  (((
1879 1879  
1880 1880  
1881 -(((
1882 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1691 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1883 1883  )))
1884 -)))
1885 1885  
1886 1886  (((
1887 -(% 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
1888 1888  )))
1889 1889  
1890 1890  (((
1891 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1699 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -(% 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
1896 1896  )))
1897 1897  
1898 1898  (((
1899 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1707 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1900 1900  )))
1901 1901  
1902 1902  (((
1903 -(% 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
1904 1904  )))
1905 1905  
1906 1906  (((
1907 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1715 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1908 1908  )))
1909 1909  
1910 1910  (((
1911 -(% 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
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -(% 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
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -(% 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)
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% 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
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -(% 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.
1928 1928  )))
1929 1929  
1930 1930  (((
1931 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1739 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1932 1932  
1933 1933  
1934 1934  )))
... ... @@ -1938,16 +1938,10 @@
1938 1938  )))
1939 1939  
1940 1940  (((
1941 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1942 -
1943 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1944 -
1945 -**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?
1946 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1947 -
1948 -**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**
1949 -
1950 -
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
1951 1951  )))
1952 1952  
1953 1953  (((
... ... @@ -1961,19 +1961,13 @@
1961 1961  
1962 1962  === 4.2.3 Change to Class A ===
1963 1963  
1766 +If sensor JOINED
1767 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1768 +ATZ
1964 1964  
1965 -(((
1966 -(% style="color:blue" %)**If sensor JOINED:**
1967 1967  
1968 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1969 -ATZ**
1970 -)))
1971 -
1972 -
1973 -
1974 1974  = 5. FAQ =
1975 1975  
1976 -
1977 1977  == 5.1 How to upgrade the image? ==
1978 1978  
1979 1979  
... ... @@ -1990,18 +1990,14 @@
1990 1990  
1991 1991  (((
1992 1992  (% 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]].
1993 -(% 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/]].
1994 1994  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1995 1995  
1996 1996  
1997 -(((
1998 1998  (% style="color:blue" %)**For LT-22222-L**(%%):
1999 1999  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.
2000 2000  )))
2001 2001  
2002 -
2003 -)))
2004 -
2005 2005   [[image:image-20220524103407-12.png]]
2006 2006  
2007 2007  [[image:image-20220524103429-13.png]]
... ... @@ -2011,7 +2011,6 @@
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  
... ... @@ -2020,8 +2020,6 @@
2020 2020  
2021 2021  
2022 2022  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2023 -
2024 -
2025 2025  )))
2026 2026  )))
2027 2027  
... ... @@ -2032,10 +2032,7 @@
2032 2032  (((
2033 2033  
2034 2034  
2035 -
2036 2036  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2037 -
2038 -
2039 2039  )))
2040 2040  
2041 2041  (((
... ... @@ -2053,39 +2053,33 @@
2053 2053  )))
2054 2054  
2055 2055  (((
2056 -(% 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.
2057 -
2058 -
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.
2059 2059  )))
2060 2060  
2061 2061  (((
2062 2062  [[image:1653360231087-571.png||height="401" width="727"]]
2063 -
2064 -
2065 2065  )))
2066 2066  
2067 2067  (((
2068 -(% 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.
2069 2069  )))
2070 2070  
2071 2071  
2072 -
2073 2073  (((
2074 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2075 -
2076 -
1855 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2077 2077  )))
2078 2078  
2079 2079  (((
2080 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2081 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2082 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2083 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2084 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2085 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2086 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2087 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2088 -(% 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
2089 2089  )))
2090 2090  
2091 2091  
... ... @@ -2096,21 +2096,16 @@
2096 2096  [[image:1653360498588-932.png||height="485" width="726"]]
2097 2097  
2098 2098  
2099 -
2100 2100  == 5.4 Can I see counting event in Serial? ==
2101 2101  
2102 -
2103 2103  (((
2104 -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.
2105 2105  
2106 2106  
2107 -
2108 2108  == 5.5 Can i use point to point communication for LT-22222-L? ==
2109 2109  
1887 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2110 2110  
2111 -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]].
2112 -
2113 -
2114 2114  
2115 2115  )))
2116 2116  
... ... @@ -2117,7 +2117,6 @@
2117 2117  (((
2118 2118  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2119 2119  
2120 -
2121 2121  If the device is not shut down, but directly powered off.
2122 2122  
2123 2123  It will default that this is a power-off state.
... ... @@ -2127,27 +2127,12 @@
2127 2127  After restart, the status before power failure will be read from flash.
2128 2128  
2129 2129  
2130 -
2131 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2132 -
2133 -
2134 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2135 -
2136 -
2137 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2138 -
2139 -
2140 -
2141 2141  = 6. Trouble Shooting =
2142 -
2143 -
2144 2144  )))
2145 2145  
2146 2146  (((
2147 2147  (((
2148 2148  == 6.1 Downlink doesn't work, how to solve it? ==
2149 -
2150 -
2151 2151  )))
2152 2152  )))
2153 2153  
... ... @@ -2158,10 +2158,7 @@
2158 2158  (((
2159 2159  
2160 2160  
2161 -
2162 2162  == 6.2 Have trouble to upload image. ==
2163 -
2164 -
2165 2165  )))
2166 2166  
2167 2167  (((
... ... @@ -2171,10 +2171,7 @@
2171 2171  (((
2172 2172  
2173 2173  
2174 -
2175 2175  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2176 -
2177 -
2178 2178  )))
2179 2179  
2180 2180  (((
... ... @@ -2182,7 +2182,6 @@
2182 2182  )))
2183 2183  
2184 2184  
2185 -
2186 2186  = 7. Order Info =
2187 2187  
2188 2188  
... ... @@ -2200,8 +2200,6 @@
2200 2200  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2201 2201  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2202 2202  
2203 -
2204 -
2205 2205  = 8. Packing Info =
2206 2206  
2207 2207  
... ... @@ -2219,25 +2219,18 @@
2219 2219  * Package Size / pcs : 14.5 x 8 x 5 cm
2220 2220  * Weight / pcs : 170g
2221 2221  
2222 -
2223 -
2224 2224  = 9. Support =
2225 2225  
2226 -
2227 2227  * (((
2228 2228  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.
2229 2229  )))
2230 2230  * (((
2231 2231  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]]
2232 -
2233 -
2234 -
2235 -
2236 2236  )))
2237 2237  
2238 2238  = 10. Reference​​​​​ =
2239 2239  
2240 -
2241 2241  * 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]]
2242 -* [[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/]]
2243 2243  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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