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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.38
edited by Xiaoling
on 2022/06/25 15:11
Change comment: There is no comment for this version
To version 83.2
edited by Xiaoling
on 2022/06/29 17:17
Change comment: There is no comment for this version

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1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
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167 167  Packet engine up to 256 bytes with CRC.
168 168  
169 169  
170 -
171 171  
172 172  )))
173 173  
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183 183  
184 184  
185 185  
186 -
187 -
188 188  == 1.4  Applications ==
189 189  
190 190  * Smart Buildings & Home Automation
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196 196  
197 197  
198 198  
199 -
200 -
201 201  == 1.5 Hardware Variants ==
202 202  
203 203  (% border="1" style="background-color:#f7faff; width:500px" %)
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212 212  )))
213 213  
214 214  
209 +
215 215  = 2. Power ON Device =
216 216  
217 217  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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292 292  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
293 293  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
294 294  
290 +
295 295  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
296 296  
297 297  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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345 345  ** DO1 is high in case there is load between DO1 and V+.
346 346  ** DO1 LED is off in both case
347 347  
344 +
348 348  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
349 349  
350 350  
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712 712  
713 713  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
714 714  
712 +
715 715  === 3.4.1 Common Commands ===
716 716  
717 717  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]]
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850 850  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
851 851  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
852 852  
853 -
854 -
855 855  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
856 856  
857 857  Set DI2 trigger.
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923 923  
924 924  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
925 925  
922 +(((
923 +
926 926  
925 +(% style="color:red" %)Note: ATDC setting must be more than 5min
926 +)))
927 927  
928 928  
929 +
929 929  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
930 930  
931 931  * (% style="color:#037691" %)**AT Command**
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1912 1912  )))
1913 1913  
1914 1914  
1915 -
1916 1916  = 7. Order Info =
1917 1917  
1918 -
1919 1919  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1920 1920  
1921 1921  
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1931 1931  * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1932 1932  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1933 1933  
1934 -
1935 -
1936 1936  = 8. Packing Info =
1937 1937  
1938 1938  
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1950 1950  * Package Size / pcs : 14.5 x 8 x 5 cm
1951 1951  * Weight / pcs : 170g
1952 1952  
1953 -
1954 -
1955 1955  = 9. Support =
1956 1956  
1957 1957  * (((