Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.1 >
edited by Bei Jinggeng
on 2022/06/28 13:36
To version < 84.1 >
edited by Xiaoling
on 2022/06/29 18:01
>
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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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  
... ... @@ -181,7 +181,6 @@
181 181  * Firmware upgradable via program port
182 182  * Counting
183 183  
184 -
185 185  == 1.4  Applications ==
186 186  
187 187  * Smart Buildings & Home Automation
... ... @@ -191,7 +191,6 @@
191 191  * Smart Cities
192 192  * Smart Factory
193 193  
194 -
195 195  == 1.5 Hardware Variants ==
196 196  
197 197  (% border="1" style="background-color:#f7faff; width:500px" %)
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222 222  == 3.1 How it works? ==
223 223  
224 224  (((
225 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
221 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
226 226  )))
227 227  
228 228  (((
229 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
225 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
230 230  )))
231 231  
232 232  
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278 278  
279 279  There are five working modes + one interrupt mode on LT for different type application:
280 280  
281 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282 -* **MOD2**: Double DI Counting + DO + RO
283 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
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
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  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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340 340  ** DO1 is high in case there is load between DO1 and V+.
341 341  ** DO1 LED is off in both case
342 342  
343 -
344 -
345 345  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
346 346  
347 347  
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415 415  [[image:image-20220523181246-5.png]]
416 416  
417 417  (((
410 +
411 +
418 418  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
419 419  )))
420 420  
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428 428  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
429 429  )))
430 430  
425 +
431 431  (((
432 432  **To use counting mode, please run:**
433 433  )))
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560 560  
561 561  For example, if user has configured below commands:
562 562  
563 -* **AT+MOD=1 ** **~-~->** The normal working mode
564 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
558 +* **AT+MOD=1 ** **~-~->**  The normal working mode
559 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
565 565  
566 566  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
567 567  
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570 570  
571 571  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
572 572  
568 +
573 573  (% style="color:#4f81bd" %)**Trigger base on voltage**:
574 574  
575 575  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
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709 709  
710 710  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
711 711  
712 -
713 -
714 714  === 3.4.1 Common Commands ===
715 715  
716 716  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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719 719  
720 720  === 3.4.2 Sensor related commands ===
721 721  
716 +
722 722  ==== 3.4.2.1 Set Transmit Interval ====
723 723  
724 724  Set device uplink interval.
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772 772  
773 773  
774 774  
770 +
775 775  ==== 3.4.2.4 Enable Trigger Mode ====
776 776  
777 777  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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928 928  
929 929  
930 930  
927 +
931 931  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
932 932  
933 933  * (% style="color:#037691" %)**AT Command**
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1770 1770  
1771 1771  
1772 1772  (% style="color:blue" %)**For LT-22222-L**(%%):
1773 -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.
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.
1774 1774  )))
1775 1775  
1776 1776   [[image:image-20220524103407-12.png]]
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1885 1885  
1886 1886  (((
1887 1887  (((
1888 -== 6.1 Downlink doesn’t work, how to solve it? ==
1885 +== 6.1 Downlink doesn't work, how to solve it? ==
1889 1889  )))
1890 1890  )))
1891 1891  
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1906 1906  (((
1907 1907  
1908 1908  
1909 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1906 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1910 1910  )))
1911 1911  
1912 1912  (((
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1916 1916  
1917 1917  = 7. Order Info =
1918 1918  
1916 +
1919 1919  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1920 1920  
1921 -
1922 1922  (% style="color:#4f81bd" %)**XXX:**
1923 1923  
1924 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1925 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1926 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1927 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1928 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1929 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1930 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1931 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1932 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
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
1933 1933  
1931 +
1932 +
1933 +
1934 +
1934 1934  = 8. Packing Info =
1935 1935  
1936 1936  
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1948 1948  * Package Size / pcs : 14.5 x 8 x 5 cm
1949 1949  * Weight / pcs : 170g
1950 1950  
1952 +
1953 +
1954 +
1955 +
1951 1951  = 9. Support =
1952 1952  
1953 1953  * (((
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1955 1955  )))
1956 1956  * (((
1957 1957  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 +)))
1958 1958  
1959 1959  
1960 1960  
1961 -
1962 -)))
1963 1963  
1964 1964  = 10. Reference​​​​​ =
1965 1965  

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