Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 101.4 >
edited by Xiaoling
on 2022/10/25 15:24
To version < 97.2 >
edited by Xiaoling
on 2022/09/12 09:21
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -21,10 +21,8 @@
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.
... ... @@ -188,6 +188,7 @@
188 188  
189 189  
190 190  
189 +
191 191  == 1.4  Applications ==
192 192  
193 193  
... ... @@ -200,6 +200,7 @@
200 200  
201 201  
202 202  
202 +
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
... ... @@ -216,12 +216,11 @@
216 216  
217 217  
218 218  
219 +
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.
... ... @@ -280,12 +280,12 @@
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.**
282 +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**
287 +Add APP KEY and DEV EUI
289 289  
290 290  [[image:1653298023685-319.png]]
291 291  
... ... @@ -293,8 +293,6 @@
293 293  
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"]]
... ... @@ -315,12 +315,11 @@
315 315  
316 316  
317 317  
315 +
318 318  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
319 319  
320 320  
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  
... ... @@ -336,6 +336,8 @@
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  
335 +
336 +
339 339  (% 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]]
... ... @@ -356,6 +356,8 @@
356 356  * [1] RO1 relay channel is close and the RO1 LED is ON.
357 357  * [0] RO2 relay channel is open and RO2 LED is OFF;
358 358  
357 +
358 +
359 359  **LT22222-L:**
360 360  
361 361  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -373,12 +373,12 @@
373 373  
374 374  
375 375  
376 +
377 +
376 376  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
377 377  
378 378  
379 -(((
380 380  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
381 -)))
382 382  
383 383  (((
384 384  Total : 11 bytes payload
... ... @@ -410,15 +410,11 @@
410 410  (% class="box infomessage" %)
411 411  (((
412 412  (((
413 -(((
414 414  **AT+MOD=2**
415 -)))
416 416  
417 -(((
418 418  **ATZ**
419 419  )))
420 420  )))
421 -)))
422 422  
423 423  (((
424 424  
... ... @@ -478,15 +478,11 @@
478 478  (% class="box infomessage" %)
479 479  (((
480 480  (((
481 -(((
482 482  **AT+MOD=3**
483 -)))
484 484  
485 -(((
486 486  **ATZ**
487 487  )))
488 488  )))
489 -)))
490 490  
491 491  (((
492 492  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -497,13 +497,9 @@
497 497  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
498 498  
499 499  
500 -(((
501 501  **LT22222-L**: This mode the DI1 is used as a counting pin.
502 -)))
503 503  
504 -(((
505 505  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.
506 -)))
507 507  
508 508  [[image:image-20220523181903-8.png]]
509 509  
... ... @@ -531,17 +531,14 @@
531 531  (% class="box infomessage" %)
532 532  (((
533 533  (((
534 -(((
535 535  **AT+MOD=4**
536 -)))
537 537  
538 -(((
539 539  **ATZ**
540 540  )))
541 541  )))
542 -)))
543 543  
544 544  
529 +
545 545  (((
546 546  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
547 547  )))
... ... @@ -595,15 +595,11 @@
595 595  (% class="box infomessage" %)
596 596  (((
597 597  (((
598 -(((
599 599  **AT+MOD=5**
600 -)))
601 601  
602 -(((
603 603  **ATZ**
604 604  )))
605 605  )))
606 -)))
607 607  
608 608  (((
609 609  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -621,11 +621,16 @@
621 621  * **AT+MOD=1 ** **~-~->**  The normal working mode
622 622  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
623 623  
605 +
606 +
624 624  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
625 625  
626 626  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
627 627  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.**
628 628  
612 +
613 +
614 +
629 629  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
630 630  
631 631  
... ... @@ -709,6 +709,8 @@
709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
698 +
699 +
712 712  **Example:**
713 713  
714 714  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -721,6 +721,8 @@
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
712 +
713 +
724 724  **Example:**
725 725  
726 726  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -733,6 +733,8 @@
733 733  
734 734  * Each bits shows which status has been trigger on this uplink.
735 735  
726 +
727 +
736 736  **Example:**
737 737  
738 738  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -751,12 +751,13 @@
751 751  
752 752  
753 753  
746 +
754 754  === 3.3.7 Payload Decoder ===
755 755  
756 756  (((
757 757  
758 758  
759 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
760 760  )))
761 761  
762 762  
... ... @@ -764,15 +764,11 @@
764 764  == 3.4 ​Configure LT via AT or Downlink ==
765 765  
766 766  
767 -(((
768 768  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
769 -)))
770 770  
771 771  (((
772 -(((
773 773  There are two kinds of Commands:
774 774  )))
775 -)))
776 776  
777 777  * (% 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]]
778 778  
... ... @@ -784,9 +784,7 @@
784 784  === 3.4.1 Common Commands ===
785 785  
786 786  
787 -(((
788 788  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]]
789 -)))
790 790  
791 791  
792 792  
... ... @@ -932,6 +932,9 @@
932 932  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
933 933  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
934 934  
922 +
923 +
924 +
935 935  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
936 936  
937 937  
... ... @@ -1171,7 +1171,7 @@
1171 1171  
1172 1172  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1173 1173  
1174 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1175 1175  
1176 1176  
1177 1177  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1357,13 +1357,10 @@
1357 1357  
1358 1358  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.
1359 1359  
1360 -
1361 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-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1362 1362  
1363 1363  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1364 1364  
1365 -
1366 -
1367 1367  [[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"]]
1368 1368  
1369 1369  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1376,7 +1376,7 @@
1376 1376  * (((
1377 1377  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1378 1378  
1379 -**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1366 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1380 1380  
1381 1381  
1382 1382  )))
... ... @@ -1498,11 +1498,11 @@
1498 1498  )))
1499 1499  
1500 1500  (((
1501 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1502 1502  )))
1503 1503  
1504 1504  (((
1505 -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.
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.
1506 1506  )))
1507 1507  
1508 1508  (((
... ... @@ -1597,13 +1597,13 @@
1597 1597  We take the wind speed sensor as an example for reference only.
1598 1598  
1599 1599  
1600 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1587 +**Specifications of the wind speed sensor:**
1601 1601  
1602 -**Red:  12~~24v**
1589 +Red:  12~~24v
1603 1603  
1604 -**Yellow:  4~~20mA**
1591 +Yellow:  4~~20mA
1605 1605  
1606 -**Black:  GND**
1593 +Black:  GND
1607 1607  
1608 1608  
1609 1609  **Connection diagram:**
... ... @@ -1641,14 +1641,8 @@
1641 1641  == 4.1 Access AT Command ==
1642 1642  
1643 1643  
1644 -(((
1645 1645  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.
1646 -)))
1647 1647  
1648 -(((
1649 -
1650 -)))
1651 -
1652 1652  [[image:1653358238933-385.png]]
1653 1653  
1654 1654  
... ... @@ -1676,7 +1676,7 @@
1676 1676  )))
1677 1677  
1678 1678  (((
1679 -AT+<CMD>=?       :  Get the value
1660 +AT+<CMD>=?       : Get the value
1680 1680  )))
1681 1681  
1682 1682  (((
... ... @@ -1704,11 +1704,11 @@
1704 1704  )))
1705 1705  
1706 1706  (((
1707 -AT+APPSKEY:  Get or Set the Application Session Key
1688 +AT+APPSKEY: Get or Set the Application Session Key
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -AT+APPEUI:  Get or Set the Application EUI
1692 +AT+APPEUI: Get or Set the Application EUI
1712 1712  )))
1713 1713  
1714 1714  (((
... ... @@ -1720,7 +1720,7 @@
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1704 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1724 1724  )))
1725 1725  
1726 1726  (((
... ... @@ -1756,7 +1756,7 @@
1756 1756  )))
1757 1757  
1758 1758  (((
1759 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1740 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1760 1760  )))
1761 1761  
1762 1762  (((
... ... @@ -1800,7 +1800,7 @@
1800 1800  )))
1801 1801  
1802 1802  (((
1803 -AT+VER:  Get current image version and Frequency Band
1784 +AT+VER: Get current image version and Frequency Band
1804 1804  )))
1805 1805  
1806 1806  (((
... ... @@ -1808,7 +1808,7 @@
1808 1808  )))
1809 1809  
1810 1810  (((
1811 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1792 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1812 1812  )))
1813 1813  
1814 1814  (((
... ... @@ -1857,42 +1857,40 @@
1857 1857  (((
1858 1858  
1859 1859  
1860 -(((
1861 -(% style="color:blue" %)**If device has not joined network yet:**
1841 +**If device has not joined network yet:**
1862 1862  )))
1863 -)))
1864 1864  
1865 1865  (((
1866 -(% style="background-color:#dcdcdc" %)**123456**
1845 +(% style="background-color:#dcdcdc" %)123456
1867 1867  )))
1868 1868  
1869 1869  (((
1870 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1849 +(% style="background-color:#dcdcdc" %)AT+FDR
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -(% style="background-color:#dcdcdc" %)**123456**
1853 +(% style="background-color:#dcdcdc" %)123456
1875 1875  )))
1876 1876  
1877 1877  (((
1878 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1857 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1879 1879  )))
1880 1880  
1881 1881  (((
1882 -(% style="background-color:#dcdcdc" %)**ATZ**
1861 +(% style="background-color:#dcdcdc" %)ATZ
1883 1883  )))
1884 1884  
1885 1885  
1886 1886  (((
1887 -(% style="color:blue" %)**If device already joined network:**
1866 +**If device already joined network:**
1888 1888  )))
1889 1889  
1890 1890  (((
1891 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1870 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -(% style="background-color:#dcdcdc" %)**ATZ**
1874 +(% style="background-color:#dcdcdc" %)ATZ
1896 1896  )))
1897 1897  
1898 1898  
... ... @@ -1902,57 +1902,55 @@
1902 1902  (((
1903 1903  
1904 1904  
1905 -(((
1906 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1884 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1907 1907  )))
1908 -)))
1909 1909  
1910 1910  (((
1911 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1888 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1892 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1896 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1900 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1904 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1928 1928  )))
1929 1929  
1930 1930  (((
1931 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1908 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1932 1932  )))
1933 1933  
1934 1934  (((
1935 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1912 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1936 1936  )))
1937 1937  
1938 1938  (((
1939 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1916 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1940 1940  )))
1941 1941  
1942 1942  (((
1943 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1920 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1944 1944  )))
1945 1945  
1946 1946  (((
1947 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1924 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1948 1948  )))
1949 1949  
1950 1950  (((
1951 -(% 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 +(% 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.
1952 1952  )))
1953 1953  
1954 1954  (((
1955 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1932 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1956 1956  
1957 1957  
1958 1958  )))
... ... @@ -1962,15 +1962,11 @@
1962 1962  )))
1963 1963  
1964 1964  (((
1965 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
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
1966 1966  
1967 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1968 -
1969 -**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?
1970 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1971 -
1972 -**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**
1973 -
1974 1974  
1975 1975  )))
1976 1976  
... ... @@ -1986,15 +1986,12 @@
1986 1986  === 4.2.3 Change to Class A ===
1987 1987  
1988 1988  
1989 -(((
1990 -(% style="color:blue" %)If sensor JOINED:
1962 +If sensor JOINED
1963 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1964 +ATZ
1991 1991  
1992 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1993 -ATZ**
1994 -)))
1995 1995  
1996 1996  
1997 -
1998 1998  = 5. FAQ =
1999 1999  
2000 2000  
... ... @@ -2018,10 +2018,8 @@
2018 2018  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2019 2019  
2020 2020  
2021 -(((
2022 2022  (% style="color:blue" %)**For LT-22222-L**(%%):
2023 2023  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.
2024 -)))
2025 2025  
2026 2026  
2027 2027  )))
... ... @@ -2102,15 +2102,16 @@
2102 2102  )))
2103 2103  
2104 2104  (((
2105 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2106 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2107 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2108 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2109 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2110 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2111 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2112 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2113 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
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
2114 2114  )))
2115 2115  
2116 2116  
... ... @@ -2153,16 +2153,6 @@
2153 2153  
2154 2154  
2155 2155  
2156 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2157 -
2158 -
2159 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2160 -
2161 -
2162 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2163 -
2164 -
2165 -
2166 2166  = 6. Trouble Shooting =
2167 2167  
2168 2168  
... ... @@ -2227,6 +2227,7 @@
2227 2227  
2228 2228  
2229 2229  
2189 +
2230 2230  = 8. Packing Info =
2231 2231  
2232 2232  
... ... @@ -2246,6 +2246,7 @@
2246 2246  
2247 2247  
2248 2248  
2209 +
2249 2249  = 9. Support =
2250 2250  
2251 2251  
... ... @@ -2266,3 +2266,5 @@
2266 2266  * 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]]
2267 2267  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2268 2268  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
image-20221006170630-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
Size
... ... @@ -1,1 +1,0 @@
1 -486.5 KB
Content
image-20221008095908-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -41.8 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0