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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.41
edited by Xiaoling
on 2022/06/25 15:18
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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294 294  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
295 295  
296 296  
297 -
298 -
299 -
300 -
301 301  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
302 302  
303 303  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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336 336  * [1] RO1 relay channel is close and the RO1 LED is ON.
337 337  * [0] RO2 relay channel is open and RO2 LED is OFF;
338 338  
339 -
340 340  **LT22222-L:**
341 341  
342 342  * [1] DI2 channel is high input and DI2 LED is ON;
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353 353  ** DO1 LED is off in both case
354 354  
355 355  
356 -
357 -
358 -
359 -
360 360  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
361 361  
362 362  
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725 725  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
726 726  
727 727  
728 -
729 -
730 -
731 -
732 732  === 3.4.1 Common Commands ===
733 733  
734 734  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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867 867  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
868 868  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
869 869  
870 -
871 -
872 872  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
873 873  
874 874  Set DI2 trigger.
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940 940  
941 941  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
942 942  
922 +(((
923 +
943 943  
925 +(% style="color:red" %)Note: ATDC setting must be more than 5min
926 +)))
944 944  
945 945  
929 +
946 946  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
947 947  
948 948  * (% style="color:#037691" %)**AT Command**
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1929 1929  )))
1930 1930  
1931 1931  
1932 -
1933 1933  = 7. Order Info =
1934 1934  
1935 -
1936 1936  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1937 1937  
1938 1938  
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1948 1948  * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1949 1949  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1950 1950  
1951 -
1952 -
1953 1953  = 8. Packing Info =
1954 1954  
1955 1955  
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1967 1967  * Package Size / pcs : 14.5 x 8 x 5 cm
1968 1968  * Weight / pcs : 170g
1969 1969  
1970 -
1971 -
1972 1972  = 9. Support =
1973 1973  
1974 1974  * (((