Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.27 >
edited by Xiaoling
on 2022/06/20 12:01
To version < 84.1 >
edited by Xiaoling
on 2022/06/29 18:01
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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:**
... ... @@ -167,7 +167,6 @@
167 167  Packet engine up to 256 bytes with CRC.
168 168  
169 169  
170 -
171 171  
172 172  )))
173 173  
... ... @@ -203,8 +203,6 @@
203 203  * 1 x Counting Port
204 204  )))
205 205  
206 -
207 -
208 208  = 2. Power ON Device =
209 209  
210 210  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.
... ... @@ -222,11 +222,11 @@
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  
... ... @@ -278,12 +278,12 @@
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  
288 288  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289 289  
... ... @@ -411,6 +411,8 @@
411 411  [[image:image-20220523181246-5.png]]
412 412  
413 413  (((
410 +
411 +
414 414  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
415 415  )))
416 416  
... ... @@ -424,6 +424,7 @@
424 424  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
425 425  )))
426 426  
425 +
427 427  (((
428 428  **To use counting mode, please run:**
429 429  )))
... ... @@ -556,8 +556,8 @@
556 556  
557 557  For example, if user has configured below commands:
558 558  
559 -* **AT+MOD=1 ** **~-~->** The normal working mode
560 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
558 +* **AT+MOD=1 ** **~-~->**  The normal working mode
559 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
561 561  
562 562  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
563 563  
... ... @@ -566,6 +566,7 @@
566 566  
567 567  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
568 568  
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>
... ... @@ -713,6 +713,7 @@
713 713  
714 714  === 3.4.2 Sensor related commands ===
715 715  
716 +
716 716  ==== 3.4.2.1 Set Transmit Interval ====
717 717  
718 718  Set device uplink interval.
... ... @@ -719,23 +719,19 @@
719 719  
720 720  * (% style="color:#037691" %)**AT Command:**
721 721  
722 -(% class="box infomessage" %)
723 -(((
724 724  **AT+TDC=N **
725 -)))
726 726  
725 +
727 727  **Example: **AT+TDC=30000. Means set interval to 30 seconds
728 728  
729 729  
730 730  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
731 731  
732 -(% class="box infomessage" %)
733 -(((
734 734  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
735 -)))
736 736  
737 737  
738 738  
735 +
739 739  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
740 740  
741 741  Set work mode.
... ... @@ -742,51 +742,42 @@
742 742  
743 743  * (% style="color:#037691" %)**AT Command:**
744 744  
745 -(% class="box infomessage" %)
746 -(((
747 747  **AT+MOD=N  **
748 -)))
749 749  
744 +
750 750  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
751 751  
752 752  
753 753  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
754 754  
755 -(% class="box infomessage" %)
756 -(((
757 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
758 -)))
750 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
759 759  
760 760  
761 761  
754 +
762 762  ==== 3.4.2.3 Poll an uplink ====
763 763  
764 -* (% style="color:#037691" %)AT Command:
757 +* (% style="color:#037691" %)**AT Command:**
765 765  
766 766  There is no AT Command to poll uplink
767 767  
768 768  
769 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
762 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
770 770  
771 -(% class="box infomessage" %)
772 -(((
773 -**0x08 FF     ~/~/ Poll an uplink,**
774 -)))
764 +**0x08 FF     **~/~/ Poll an uplink
775 775  
776 776  **Example**: 0x08FF, ask device to send an Uplink
777 777  
778 778  
779 779  
770 +
780 780  ==== 3.4.2.4 Enable Trigger Mode ====
781 781  
782 782  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
783 783  
784 -* (% style="color:#037691" %)AT Command:
775 +* (% style="color:#037691" %)**AT Command:**
785 785  
786 -(% class="box infomessage" %)
787 -(((
788 788  **AT+ADDMOD6=1 or 0**
789 -)))
790 790  
791 791  1: Enable Trigger Mode
792 792  
... ... @@ -793,38 +793,34 @@
793 793  0: Disable Trigger Mode
794 794  
795 795  
796 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
784 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
797 797  
798 -(% class="box infomessage" %)
799 -(((
800 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
801 -)))
786 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
802 802  
803 803  
804 804  
790 +
805 805  ==== 3.4.2.5 Poll trigger settings ====
806 806  
807 807  Poll trigger settings,
808 808  
809 -* (% style="color:#037691" %)AT Command:
795 +* (% style="color:#037691" %)**AT Command:**
810 810  
811 811  There is no AT Command for this feature.
812 812  
813 813  
814 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
800 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
815 815  
816 -(% class="box infomessage" %)
817 -(((
818 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
819 -)))
802 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
820 820  
821 821  
822 822  
806 +
823 823  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
824 824  
825 825  Enable Disable DI1/DI2/DI2 as trigger,
826 826  
827 -* (% style="color:#037691" %)AT Command:
811 +* (% style="color:#037691" %)**AT Command:**
828 828  
829 829  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
830 830  
... ... @@ -833,7 +833,7 @@
833 833  
834 834  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
835 835  
836 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
820 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
837 837  
838 838  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
839 839  
... ... @@ -844,7 +844,7 @@
844 844  
845 845  Set DI1 or DI3(for LT-33222-L) trigger.
846 846  
847 -* (% style="color:#037691" %)AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
848 848  
849 849  **AT+TRIG1=a,b**
850 850  
... ... @@ -861,7 +861,6 @@
861 861  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
862 862  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
863 863  
864 -
865 865  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
866 866  
867 867  Set DI2 trigger.
... ... @@ -922,11 +922,11 @@
922 922  
923 923  ==== 3.4.2.11 Trigger – Set minimum interval ====
924 924  
925 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
908 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
926 926  
927 927  * (% style="color:#037691" %)**AT Command**
928 928  
929 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
912 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
930 930  
931 931  
932 932  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -933,9 +933,15 @@
933 933  
934 934  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
935 935  
919 +(((
920 +
936 936  
922 +(% style="color:red" %)Note: ATDC setting must be more than 5min
923 +)))
937 937  
938 938  
926 +
927 +
939 939  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
940 940  
941 941  * (% style="color:#037691" %)**AT Command**
... ... @@ -1136,7 +1136,7 @@
1136 1136  
1137 1137  * (% style="color:#037691" %)**AT Command:**
1138 1138  
1139 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1128 +**AT+SETCNT=aa,(bb cc dd ee) **
1140 1140  
1141 1141  aa: 1: Set count1,
1142 1142  
... ... @@ -1160,7 +1160,7 @@
1160 1160  
1161 1161  * (% style="color:#037691" %)**AT Command:**
1162 1162  
1163 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1152 +**AT+CLRCOUNT ** ~/~/ clear all counting
1164 1164  
1165 1165  
1166 1166  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1418,6 +1418,7 @@
1418 1418  [[image:image-20220524100748-11.png]]
1419 1419  
1420 1420  
1410 +
1421 1421  = 4. Use AT Command =
1422 1422  
1423 1423  == 4.1 Access AT Command ==
... ... @@ -1620,8 +1620,6 @@
1620 1620  
1621 1621  (((
1622 1622  AT+CFG: Print all settings
1623 -
1624 -
1625 1625  )))
1626 1626  
1627 1627  
... ... @@ -1667,8 +1667,6 @@
1667 1667  
1668 1668  (((
1669 1669  (% style="background-color:#dcdcdc" %)ATZ
1670 -
1671 -
1672 1672  )))
1673 1673  
1674 1674  
... ... @@ -1781,7 +1781,7 @@
1781 1781  
1782 1782  
1783 1783  (% style="color:blue" %)**For LT-22222-L**(%%):
1784 -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.
1785 1785  )))
1786 1786  
1787 1787   [[image:image-20220524103407-12.png]]
... ... @@ -1875,6 +1875,8 @@
1875 1875  == 5.5 Can i use point to point communication for LT-22222-L? ==
1876 1876  
1877 1877  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1864 +
1865 +
1878 1878  )))
1879 1879  
1880 1880  (((
... ... @@ -1888,12 +1888,13 @@
1888 1888  
1889 1889  After restart, the status before power failure will be read from flash.
1890 1890  
1879 +
1891 1891  = 6. Trouble Shooting =
1892 1892  )))
1893 1893  
1894 1894  (((
1895 1895  (((
1896 -== 6.1 Downlink doesn’t work, how to solve it? ==
1885 +== 6.1 Downlink doesn't work, how to solve it? ==
1897 1897  )))
1898 1898  )))
1899 1899  
... ... @@ -1914,7 +1914,7 @@
1914 1914  (((
1915 1915  
1916 1916  
1917 -== 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? ==
1918 1918  )))
1919 1919  
1920 1920  (((
... ... @@ -1922,25 +1922,27 @@
1922 1922  )))
1923 1923  
1924 1924  
1925 -
1926 1926  = 7. Order Info =
1927 1927  
1928 1928  
1929 1929  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1930 1930  
1931 -
1932 1932  (% style="color:#4f81bd" %)**XXX:**
1933 1933  
1934 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1935 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1936 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1937 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1938 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1939 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1940 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1941 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1942 -* (% 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
1943 1943  
1931 +
1932 +
1933 +
1934 +
1944 1944  = 8. Packing Info =
1945 1945  
1946 1946  
... ... @@ -1958,6 +1958,10 @@
1958 1958  * Package Size / pcs : 14.5 x 8 x 5 cm
1959 1959  * Weight / pcs : 170g
1960 1960  
1952 +
1953 +
1954 +
1955 +
1961 1961  = 9. Support =
1962 1962  
1963 1963  * (((
... ... @@ -1967,6 +1967,9 @@
1967 1967  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]]
1968 1968  )))
1969 1969  
1965 +
1966 +
1967 +
1970 1970  = 10. Reference​​​​​ =
1971 1971  
1972 1972  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]

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