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 < 82.37 >
edited by Xiaoling
on 2022/06/20 13:59
>
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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 **
4 4  
5 5  
6 6  **Table of Contents:**
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166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
170 +
169 169  
170 170  )))
171 171  
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201 201  * 1 x Counting Port
202 202  )))
203 203  
206 +
207 +
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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218 218  == 3.1 How it works? ==
219 219  
220 220  (((
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. 
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. 
222 222  )))
223 223  
224 224  (((
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.
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.
226 226  )))
227 227  
228 228  
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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
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
283 283  
284 284  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
285 285  
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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
559 +* **AT+MOD=1 ** **~-~->** The normal working mode
560 +* **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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563 563  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
564 564  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
565 565  
567 +
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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799 799  
800 800  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
801 801  
802 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
801 +**0xAB 06  **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
803 803  
804 804  
805 805  
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845 845  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
846 846  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
847 847  
847 +
848 +
849 +
848 848  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
849 849  
850 850  Set DI2 trigger.
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909 909  
910 910  * (% style="color:#037691" %)**AT Command**
911 911  
912 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
914 +**AT+ATDC=5  ** Device won't response the second trigger within 5 minute after the first trigger.
913 913  
914 914  
915 915  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
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916 916  
917 917  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
918 918  
919 -(((
920 -
921 921  
922 -(% style="color:red" %)Note: ATDC setting must be more than 5min
923 -)))
924 924  
925 925  
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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1149 1149  
1150 1150  * (% style="color:#037691" %)**AT Command:**
1151 1151  
1152 -**AT+CLRCOUNT ** ~/~/ clear all counting
1148 +(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1153 1153  
1154 1154  
1155 1155  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
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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.
1766 +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? ==
1881 +== 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? ==
1902 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1907 1907  )))
1908 1908  
1909 1909  (((
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1911 1911  )))
1912 1912  
1913 1913  
1910 +
1914 1914  = 7. Order Info =
1915 1915  
1916 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 1931  
1932 1932  
1933 1933  
1934 -
1935 1935  = 8. Packing Info =
1936 1936  
1937 1937  
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1952 1952  
1953 1953  
1954 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  
1962 +
1963 +)))
1967 1967  
1968 1968  = 10. Reference​​​​​ =
1969 1969  
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