Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 98.1 >
edited by Edwin Chen
on 2022/10/06 17:06
To version < 101.3 >
edited by Xiaoling
on 2022/10/25 15:22
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -21,8 +21,10 @@
21 21  (((
22 22  
23 23  
24 +(((
24 24  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 25  )))
27 +)))
26 26  
27 27  (((
28 28  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -184,9 +184,6 @@
184 184  * Firmware upgradable via program port
185 185  * Counting
186 186  
187 -
188 -
189 -
190 190  == 1.4  Applications ==
191 191  
192 192  
... ... @@ -197,9 +197,6 @@
197 197  * Smart Cities
198 198  * Smart Factory
199 199  
200 -
201 -
202 -
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
... ... @@ -214,13 +214,12 @@
214 214  * 1 x Counting Port
215 215  )))
216 216  
217 -
218 -
219 -
220 220  = 2. Power ON Device =
221 221  
222 222  
216 +(((
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.
218 +)))
224 224  
225 225  (((
226 226  PWR will on when device is properly powered.
... ... @@ -279,12 +279,12 @@
279 279  
280 280  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
281 281  
282 -Add APP EUI in the application.
277 +**Add APP EUI in the application.**
283 283  
284 284  [[image:1653297955910-247.png||height="321" width="716"]]
285 285  
286 286  
287 -Add APP KEY and DEV EUI
282 +**Add APP KEY and DEV EUI**
288 288  
289 289  [[image:1653298023685-319.png]]
290 290  
... ... @@ -292,6 +292,8 @@
292 292  
293 293  (((
294 294  (% 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.
290 +
291 +
295 295  )))
296 296  
297 297  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -310,13 +310,12 @@
310 310  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
311 311  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
312 312  
313 -
314 -
315 -
316 316  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
317 317  
318 318  
313 +(((
319 319  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
315 +)))
320 320  
321 321  [[image:image-20220523174024-3.png]]
322 322  
... ... @@ -332,8 +332,6 @@
332 332  * DI is for digital input. DIx=1: high or float, DIx=0: low.
333 333  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
334 334  
335 -
336 -
337 337  (% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 338  
339 339  For example if payload is: [[image:image-20220523175847-2.png]]
... ... @@ -354,8 +354,6 @@
354 354  * [1] RO1 relay channel is close and the RO1 LED is ON.
355 355  * [0] RO2 relay channel is open and RO2 LED is OFF;
356 356  
357 -
358 -
359 359  **LT22222-L:**
360 360  
361 361  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -371,14 +371,12 @@
371 371  ** DO1 is high in case there is load between DO1 and V+.
372 372  ** DO1 LED is off in both case
373 373  
374 -
375 -
376 -
377 -
378 378  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
379 379  
380 380  
369 +(((
381 381  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
371 +)))
382 382  
383 383  (((
384 384  Total : 11 bytes payload
... ... @@ -410,11 +410,15 @@
410 410  (% class="box infomessage" %)
411 411  (((
412 412  (((
403 +(((
413 413  **AT+MOD=2**
405 +)))
414 414  
407 +(((
415 415  **ATZ**
416 416  )))
417 417  )))
411 +)))
418 418  
419 419  (((
420 420  
... ... @@ -474,11 +474,15 @@
474 474  (% class="box infomessage" %)
475 475  (((
476 476  (((
471 +(((
477 477  **AT+MOD=3**
473 +)))
478 478  
475 +(((
479 479  **ATZ**
480 480  )))
481 481  )))
479 +)))
482 482  
483 483  (((
484 484  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -489,9 +489,13 @@
489 489  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
490 490  
491 491  
490 +(((
492 492  **LT22222-L**: This mode the DI1 is used as a counting pin.
492 +)))
493 493  
494 +(((
494 494  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.
496 +)))
495 495  
496 496  [[image:image-20220523181903-8.png]]
497 497  
... ... @@ -519,14 +519,17 @@
519 519  (% class="box infomessage" %)
520 520  (((
521 521  (((
524 +(((
522 522  **AT+MOD=4**
526 +)))
523 523  
528 +(((
524 524  **ATZ**
525 525  )))
526 526  )))
532 +)))
527 527  
528 528  
529 -
530 530  (((
531 531  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
532 532  )))
... ... @@ -580,11 +580,15 @@
580 580  (% class="box infomessage" %)
581 581  (((
582 582  (((
588 +(((
583 583  **AT+MOD=5**
590 +)))
584 584  
592 +(((
585 585  **ATZ**
586 586  )))
587 587  )))
596 +)))
588 588  
589 589  (((
590 590  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -602,16 +602,11 @@
602 602  * **AT+MOD=1 ** **~-~->**  The normal working mode
603 603  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
604 604  
605 -
606 -
607 607  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
608 608  
609 609  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
610 610  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
611 611  
612 -
613 -
614 -
615 615  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
616 616  
617 617  
... ... @@ -695,8 +695,6 @@
695 695  
696 696  * Each bits shows if the corresponding trigger has been configured.
697 697  
698 -
699 -
700 700  **Example:**
701 701  
702 702  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -709,8 +709,6 @@
709 709  
710 710  * Each bits shows which status has been trigger on this uplink.
711 711  
712 -
713 -
714 714  **Example:**
715 715  
716 716  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -723,8 +723,6 @@
723 723  
724 724  * Each bits shows which status has been trigger on this uplink.
725 725  
726 -
727 -
728 728  **Example:**
729 729  
730 730  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -749,7 +749,7 @@
749 749  (((
750 750  
751 751  
752 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
750 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
753 753  )))
754 754  
755 755  
... ... @@ -757,23 +757,26 @@
757 757  == 3.4 ​Configure LT via AT or Downlink ==
758 758  
759 759  
758 +(((
760 760  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
760 +)))
761 761  
762 762  (((
763 +(((
763 763  There are two kinds of Commands:
764 764  )))
766 +)))
765 765  
766 766  * (% 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]]
767 767  
768 768  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
769 769  
770 -
771 -
772 -
773 773  === 3.4.1 Common Commands ===
774 774  
775 775  
775 +(((
776 776  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]]
777 +)))
777 777  
778 778  
779 779  
... ... @@ -919,9 +919,6 @@
919 919  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
920 920  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
921 921  
922 -
923 -
924 -
925 925  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
926 926  
927 927  
... ... @@ -1161,7 +1161,7 @@
1161 1161  
1162 1162  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1163 1163  
1164 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1162 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1165 1165  
1166 1166  
1167 1167  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1347,10 +1347,13 @@
1347 1347  
1348 1348  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.
1349 1349  
1348 +
1350 1350  [[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"]]
1351 1351  
1352 1352  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 1353  
1353 +
1354 +
1354 1354  [[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"]]
1355 1355  
1356 1356  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1363,7 +1363,7 @@
1363 1363  * (((
1364 1364  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 1365  
1366 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 1367  
1368 1368  
1369 1369  )))
... ... @@ -1485,11 +1485,11 @@
1485 1485  )))
1486 1486  
1487 1487  (((
1488 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1489 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1489 1489  )))
1490 1490  
1491 1491  (((
1492 -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.
1493 +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.
1493 1493  )))
1494 1494  
1495 1495  (((
... ... @@ -1584,13 +1584,13 @@
1584 1584  We take the wind speed sensor as an example for reference only.
1585 1585  
1586 1586  
1587 -**Specifications of the wind speed sensor:**
1588 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1588 1588  
1589 -Red:  12~~24v
1590 +**Red:  12~~24v**
1590 1590  
1591 -Yellow:  4~~20mA
1592 +**Yellow:  4~~20mA**
1592 1592  
1593 -Black:  GND
1594 +**Black:  GND**
1594 1594  
1595 1595  
1596 1596  **Connection diagram:**
... ... @@ -1628,8 +1628,14 @@
1628 1628  == 4.1 Access AT Command ==
1629 1629  
1630 1630  
1632 +(((
1631 1631  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.
1634 +)))
1632 1632  
1636 +(((
1637 +
1638 +)))
1639 +
1633 1633  [[image:1653358238933-385.png]]
1634 1634  
1635 1635  
... ... @@ -1657,7 +1657,7 @@
1657 1657  )))
1658 1658  
1659 1659  (((
1660 -AT+<CMD>=?       : Get the value
1667 +AT+<CMD>=?       :  Get the value
1661 1661  )))
1662 1662  
1663 1663  (((
... ... @@ -1685,11 +1685,11 @@
1685 1685  )))
1686 1686  
1687 1687  (((
1688 -AT+APPSKEY: Get or Set the Application Session Key
1695 +AT+APPSKEY:  Get or Set the Application Session Key
1689 1689  )))
1690 1690  
1691 1691  (((
1692 -AT+APPEUI: Get or Set the Application EUI
1699 +AT+APPEUI:  Get or Set the Application EUI
1693 1693  )))
1694 1694  
1695 1695  (((
... ... @@ -1701,7 +1701,7 @@
1701 1701  )))
1702 1702  
1703 1703  (((
1704 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1711 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1705 1705  )))
1706 1706  
1707 1707  (((
... ... @@ -1737,7 +1737,7 @@
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1747 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1741 1741  )))
1742 1742  
1743 1743  (((
... ... @@ -1781,7 +1781,7 @@
1781 1781  )))
1782 1782  
1783 1783  (((
1784 -AT+VER: Get current image version and Frequency Band
1791 +AT+VER:  Get current image version and Frequency Band
1785 1785  )))
1786 1786  
1787 1787  (((
... ... @@ -1789,7 +1789,7 @@
1789 1789  )))
1790 1790  
1791 1791  (((
1792 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1799 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1793 1793  )))
1794 1794  
1795 1795  (((
... ... @@ -1838,40 +1838,42 @@
1838 1838  (((
1839 1839  
1840 1840  
1841 -**If device has not joined network yet:**
1848 +(((
1849 +(% style="color:blue" %)**If device has not joined network yet:**
1842 1842  )))
1851 +)))
1843 1843  
1844 1844  (((
1845 -(% style="background-color:#dcdcdc" %)123456
1854 +(% style="background-color:#dcdcdc" %)**123456**
1846 1846  )))
1847 1847  
1848 1848  (((
1849 -(% style="background-color:#dcdcdc" %)AT+FDR
1858 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1850 1850  )))
1851 1851  
1852 1852  (((
1853 -(% style="background-color:#dcdcdc" %)123456
1862 +(% style="background-color:#dcdcdc" %)**123456**
1854 1854  )))
1855 1855  
1856 1856  (((
1857 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1866 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1858 1858  )))
1859 1859  
1860 1860  (((
1861 -(% style="background-color:#dcdcdc" %)ATZ
1870 +(% style="background-color:#dcdcdc" %)**ATZ**
1862 1862  )))
1863 1863  
1864 1864  
1865 1865  (((
1866 -**If device already joined network:**
1875 +(% style="color:blue" %)**If device already joined network:**
1867 1867  )))
1868 1868  
1869 1869  (((
1870 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1879 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -(% style="background-color:#dcdcdc" %)ATZ
1883 +(% style="background-color:#dcdcdc" %)**ATZ**
1875 1875  )))
1876 1876  
1877 1877  
... ... @@ -1881,55 +1881,57 @@
1881 1881  (((
1882 1882  
1883 1883  
1884 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1893 +(((
1894 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1885 1885  )))
1896 +)))
1886 1886  
1887 1887  (((
1888 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1899 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1903 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1907 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1911 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1915 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1905 1905  )))
1906 1906  
1907 1907  (((
1908 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1919 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1909 1909  )))
1910 1910  
1911 1911  (((
1912 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1923 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1913 1913  )))
1914 1914  
1915 1915  (((
1916 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1927 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1917 1917  )))
1918 1918  
1919 1919  (((
1920 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1931 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1921 1921  )))
1922 1922  
1923 1923  (((
1924 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1935 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1925 1925  )))
1926 1926  
1927 1927  (((
1928 -(% 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.
1939 +(% 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.
1929 1929  )))
1930 1930  
1931 1931  (((
1932 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1943 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1933 1933  
1934 1934  
1935 1935  )))
... ... @@ -1939,11 +1939,15 @@
1939 1939  )))
1940 1940  
1941 1941  (((
1942 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1943 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1944 -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.
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
1953 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1946 1946  
1955 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1956 +
1957 +**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?
1958 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1959 +
1960 +**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**
1961 +
1947 1947  
1948 1948  )))
1949 1949  
... ... @@ -1959,12 +1959,15 @@
1959 1959  === 4.2.3 Change to Class A ===
1960 1960  
1961 1961  
1962 -If sensor JOINED
1963 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1964 -ATZ
1977 +(((
1978 +(% style="color:blue" %)If sensor JOINED:
1965 1965  
1980 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1981 +ATZ**
1982 +)))
1966 1966  
1967 1967  
1985 +
1968 1968  = 5. FAQ =
1969 1969  
1970 1970  
... ... @@ -1988,8 +1988,10 @@
1988 1988  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1989 1989  
1990 1990  
2009 +(((
1991 1991  (% style="color:blue" %)**For LT-22222-L**(%%):
1992 1992  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.
2012 +)))
1993 1993  
1994 1994  
1995 1995  )))
... ... @@ -2070,16 +2070,15 @@
2070 2070  )))
2071 2071  
2072 2072  (((
2073 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2074 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2075 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2076 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2077 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2078 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2079 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2080 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2081 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2082 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2093 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2094 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2095 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2096 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2097 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2098 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2099 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2100 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2101 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2083 2083  )))
2084 2084  
2085 2085  
... ... @@ -2122,6 +2122,16 @@
2122 2122  
2123 2123  
2124 2124  
2144 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2145 +
2146 +
2147 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2148 +
2149 +
2150 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2151 +
2152 +
2153 +
2125 2125  = 6. Trouble Shooting =
2126 2126  
2127 2127  
... ... @@ -2186,7 +2186,6 @@
2186 2186  
2187 2187  
2188 2188  
2189 -
2190 2190  = 8. Packing Info =
2191 2191  
2192 2192  
... ... @@ -2206,7 +2206,6 @@
2206 2206  
2207 2207  
2208 2208  
2209 -
2210 2210  = 9. Support =
2211 2211  
2212 2212  
... ... @@ -2227,5 +2227,3 @@
2227 2227  * 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]]
2228 2228  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2229 2229  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 -
2231 -
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