Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.39 >
edited by Xiaoling
on 2022/06/25 15:12
To version < 85.1 >
edited by Bei Jinggeng
on 2022/07/14 13:57
>
Change comment: Uploaded new attachment "image-20220714135731-1.png", version {1}

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
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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  
... ... @@ -181,10 +181,6 @@
181 181  * Firmware upgradable via program port
182 182  * Counting
183 183  
184 -
185 -
186 -
187 -
188 188  == 1.4  Applications ==
189 189  
190 190  * Smart Buildings & Home Automation
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194 194  * Smart Cities
195 195  * Smart Factory
196 196  
197 -
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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211 211  * 1 x Counting Port
212 212  )))
213 213  
214 -
215 -
216 216  = 2. Power ON Device =
217 217  
218 218  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.
... ... @@ -230,11 +230,11 @@
230 230  == 3.1 How it works? ==
231 231  
232 232  (((
233 -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. 
234 234  )))
235 235  
236 236  (((
237 -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.
238 238  )))
239 239  
240 240  
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286 286  
287 287  There are five working modes + one interrupt mode on LT for different type application:
288 288  
289 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
290 -* **MOD2**: Double DI Counting + DO + RO
291 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
292 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
293 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
294 -* **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
295 295  
296 296  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
297 297  
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419 419  [[image:image-20220523181246-5.png]]
420 420  
421 421  (((
410 +
411 +
422 422  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
423 423  )))
424 424  
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432 432  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
433 433  )))
434 434  
425 +
435 435  (((
436 436  **To use counting mode, please run:**
437 437  )))
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564 564  
565 565  For example, if user has configured below commands:
566 566  
567 -* **AT+MOD=1 ** **~-~->** The normal working mode
568 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
558 +* **AT+MOD=1 ** **~-~->**  The normal working mode
559 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
569 569  
570 570  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
571 571  
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574 574  
575 575  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
576 576  
568 +
577 577  (% style="color:#4f81bd" %)**Trigger base on voltage**:
578 578  
579 579  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
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721 721  
722 722  === 3.4.2 Sensor related commands ===
723 723  
716 +
724 724  ==== 3.4.2.1 Set Transmit Interval ====
725 725  
726 726  Set device uplink interval.
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774 774  
775 775  
776 776  
770 +
777 777  ==== 3.4.2.4 Enable Trigger Mode ====
778 778  
779 779  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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851 851  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
852 852  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
853 853  
854 -
855 -
856 856  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
857 857  
858 858  Set DI2 trigger.
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924 924  
925 925  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
926 926  
919 +(((
920 +
927 927  
922 +(% style="color:red" %)Note: ATDC setting must be more than 5min
923 +)))
928 928  
929 929  
926 +
927 +
930 930  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
931 931  
932 932  * (% style="color:#037691" %)**AT Command**
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1769 1769  
1770 1770  
1771 1771  (% style="color:blue" %)**For LT-22222-L**(%%):
1772 -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.
1773 1773  )))
1774 1774  
1775 1775   [[image:image-20220524103407-12.png]]
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1884 1884  
1885 1885  (((
1886 1886  (((
1887 -== 6.1 Downlink doesn’t work, how to solve it? ==
1885 +== 6.1 Downlink doesn't work, how to solve it? ==
1888 1888  )))
1889 1889  )))
1890 1890  
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1905 1905  (((
1906 1906  
1907 1907  
1908 -== 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? ==
1909 1909  )))
1910 1910  
1911 1911  (((
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1913 1913  )))
1914 1914  
1915 1915  
1916 -
1917 1917  = 7. Order Info =
1918 1918  
1919 1919  
1920 1920  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1921 1921  
1922 -
1923 1923  (% style="color:#4f81bd" %)**XXX:**
1924 1924  
1925 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1926 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1927 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1928 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1929 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1930 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1931 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1932 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1933 -* (% 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
1934 1934  
1935 1935  
1936 1936  
1933 +
1934 +
1937 1937  = 8. Packing Info =
1938 1938  
1939 1939  
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1953 1953  
1954 1954  
1955 1955  
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 +)))
1963 1963  
1964 1964  
1965 1965  
1966 -
1967 -)))
1968 1968  
1969 1969  = 10. Reference​​​​​ =
1970 1970  
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