Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 85.1 >
edited by Bei Jinggeng
on 2022/07/14 13:57
To version < 83.5 >
edited by Xiaoling
on 2022/06/29 17:24
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
182 +
182 182  == 1.4  Applications ==
183 183  
184 184  * Smart Buildings & Home Automation
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188 188  * Smart Cities
189 189  * Smart Factory
190 190  
192 +
191 191  == 1.5 Hardware Variants ==
192 192  
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
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201 201  * 1 x Counting Port
202 202  )))
203 203  
206 +
204 204  = 2. Power ON Device =
205 205  
206 206  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.
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274 274  
275 275  There are five working modes + one interrupt mode on LT for different type application:
276 276  
277 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
278 -* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
279 -* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
280 -* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
281 -* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 -* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
280 +* **(% style="color:blue" %)MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
281 +* **(% style="color:blue" %)MOD2**(%%): Double DI Counting + DO + RO
282 +* **(% style="color:blue" %)MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
283 +* **(% style="color:blue" %)MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
284 +* **(% style="color:blue" %)MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
285 +* **(% style="color:blue" %)ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
287 +
288 +
284 284  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
285 285  
286 286  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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407 407  [[image:image-20220523181246-5.png]]
408 408  
409 409  (((
410 -
411 -
412 412  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
413 413  )))
414 414  
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422 422  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
423 423  )))
424 424  
425 -
426 426  (((
427 427  **To use counting mode, please run:**
428 428  )))
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555 555  
556 556  For example, if user has configured below commands:
557 557  
558 -* **AT+MOD=1 ** **~-~->**  The normal working mode
559 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
560 +* **AT+MOD=1 ** **~-~->** The normal working mode
561 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
560 560  
561 561  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
562 562  
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565 565  
566 566  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
567 567  
568 -
569 569  (% style="color:#4f81bd" %)**Trigger base on voltage**:
570 570  
571 571  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
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713 713  
714 714  === 3.4.2 Sensor related commands ===
715 715  
716 -
717 717  ==== 3.4.2.1 Set Transmit Interval ====
718 718  
719 719  Set device uplink interval.
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767 767  
768 768  
769 769  
770 -
771 771  ==== 3.4.2.4 Enable Trigger Mode ====
772 772  
773 773  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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924 924  
925 925  
926 926  
927 -
928 928  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
929 929  
930 930  * (% style="color:#037691" %)**AT Command**
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1767 1767  
1768 1768  
1769 1769  (% style="color:blue" %)**For LT-22222-L**(%%):
1770 -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.
1768 +Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1771 1771  )))
1772 1772  
1773 1773   [[image:image-20220524103407-12.png]]
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1882 1882  
1883 1883  (((
1884 1884  (((
1885 -== 6.1 Downlink doesn't work, how to solve it? ==
1883 +== 6.1 Downlink doesn’t work, how to solve it? ==
1886 1886  )))
1887 1887  )))
1888 1888  
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1903 1903  (((
1904 1904  
1905 1905  
1906 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1904 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1907 1907  )))
1908 1908  
1909 1909  (((
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1913 1913  
1914 1914  = 7. Order Info =
1915 1915  
1916 -
1917 1917  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1918 1918  
1916 +
1919 1919  (% style="color:#4f81bd" %)**XXX:**
1920 1920  
1921 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
1922 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
1923 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
1924 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
1925 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
1926 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
1927 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
1928 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
1929 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1919 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1920 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1921 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1922 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1923 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1924 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1925 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1926 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1927 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1930 1930  
1931 -
1932 -
1933 -
1934 -
1935 1935  = 8. Packing Info =
1936 1936  
1937 1937  
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1949 1949  * Package Size / pcs : 14.5 x 8 x 5 cm
1950 1950  * Weight / pcs : 170g
1951 1951  
1952 -
1953 -
1954 -
1955 -
1956 1956  = 9. Support =
1957 1957  
1958 1958  * (((
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1960 1960  )))
1961 1961  * (((
1962 1962  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]]
1963 -)))
1964 1964  
1965 1965  
1966 1966  
1956 +
1957 +)))
1967 1967  
1968 1968  = 10. Reference​​​​​ =
1969 1969  
image-20220714135731-1.png
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