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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.31
edited by Xiaoling
on 2022/06/20 13:35
Change comment: There is no comment for this version
To version 90.2
edited by Xiaoling
on 2022/08/18 11:36
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:**
... ... @@ -42,6 +42,8 @@
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -181,8 +181,13 @@
181 181  * Firmware upgradable via program port
182 182  * Counting
183 183  
186 +
187 +
188 +
189 +
184 184  == 1.4  Applications ==
185 185  
192 +
186 186  * Smart Buildings & Home Automation
187 187  * Logistics and Supply Chain Management
188 188  * Smart Metering
... ... @@ -190,8 +190,13 @@
190 190  * Smart Cities
191 191  * Smart Factory
192 192  
200 +
201 +
202 +
203 +
193 193  == 1.5 Hardware Variants ==
194 194  
206 +
195 195  (% border="1" style="background-color:#f7faff; width:500px" %)
196 196  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
197 197  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -205,8 +205,10 @@
205 205  
206 206  
207 207  
220 +
208 208  = 2. Power ON Device =
209 209  
223 +
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.
211 211  
212 212  (((
... ... @@ -221,19 +221,24 @@
221 221  
222 222  == 3.1 How it works? ==
223 223  
238 +
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. 
240 +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.
244 +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  
248 +
233 233  == 3.2 Example to join LoRaWAN network ==
234 234  
251 +
235 235  (((
236 236  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
254 +
255 +
237 237  )))
238 238  
239 239  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -241,6 +241,8 @@
241 241  
242 242  (((
243 243  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
263 +
264 +
244 244  )))
245 245  
246 246  (((
... ... @@ -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
302 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
303 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
304 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
305 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
306 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
307 +* (% 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  (((
435 +
436 +
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  
450 +
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
583 +* **AT+MOD=1 ** **~-~->**  The normal working mode
584 +* **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  
... ... @@ -564,9 +564,9 @@
564 564  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
565 565  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.**
566 566  
567 -
568 568  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
569 569  
593 +
570 570  (% style="color:#4f81bd" %)**Trigger base on voltage**:
571 571  
572 572  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -714,6 +714,7 @@
714 714  
715 715  === 3.4.2 Sensor related commands ===
716 716  
741 +
717 717  ==== 3.4.2.1 Set Transmit Interval ====
718 718  
719 719  Set device uplink interval.
... ... @@ -747,7 +747,7 @@
747 747  
748 748  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
749 749  
750 -(% style="color:#037691" %)**​​​​​​​**(%%)**0x0A aa    ** ~/~/ Same as AT+MOD=aa
775 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
751 751  
752 752  
753 753  
... ... @@ -767,16 +767,14 @@
767 767  
768 768  
769 769  
795 +
770 770  ==== 3.4.2.4 Enable Trigger Mode ====
771 771  
772 772  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
773 773  
774 -* (% style="color:#037691" %)AT Command:
800 +* (% style="color:#037691" %)**AT Command:**
775 775  
776 -(% class="box infomessage" %)
777 -(((
778 778  **AT+ADDMOD6=1 or 0**
779 -)))
780 780  
781 781  1: Enable Trigger Mode
782 782  
... ... @@ -783,38 +783,34 @@
783 783  0: Disable Trigger Mode
784 784  
785 785  
786 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
809 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
787 787  
788 -(% class="box infomessage" %)
789 -(((
790 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
791 -)))
811 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
792 792  
793 793  
794 794  
815 +
795 795  ==== 3.4.2.5 Poll trigger settings ====
796 796  
797 797  Poll trigger settings,
798 798  
799 -* (% style="color:#037691" %)AT Command:
820 +* (% style="color:#037691" %)**AT Command:**
800 800  
801 801  There is no AT Command for this feature.
802 802  
803 803  
804 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
825 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
805 805  
806 -(% class="box infomessage" %)
807 -(((
808 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
809 -)))
827 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
810 810  
811 811  
812 812  
831 +
813 813  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
814 814  
815 815  Enable Disable DI1/DI2/DI2 as trigger,
816 816  
817 -* (% style="color:#037691" %)AT Command:
836 +* (% style="color:#037691" %)**AT Command:**
818 818  
819 819  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
820 820  
... ... @@ -823,7 +823,7 @@
823 823  
824 824  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
825 825  
826 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
845 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
827 827  
828 828  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
829 829  
... ... @@ -834,7 +834,7 @@
834 834  
835 835  Set DI1 or DI3(for LT-33222-L) trigger.
836 836  
837 -* (% style="color:#037691" %)AT Command:
856 +* (% style="color:#037691" %)**AT Command:**
838 838  
839 839  **AT+TRIG1=a,b**
840 840  
... ... @@ -851,7 +851,6 @@
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 -
855 855  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
856 856  
857 857  Set DI2 trigger.
... ... @@ -912,11 +912,11 @@
912 912  
913 913  ==== 3.4.2.11 Trigger – Set minimum interval ====
914 914  
915 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
933 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
916 916  
917 917  * (% style="color:#037691" %)**AT Command**
918 918  
919 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
937 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
920 920  
921 921  
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -923,9 +923,15 @@
923 923  
924 924  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
925 925  
944 +(((
945 +
926 926  
947 +(% style="color:red" %)Note: ATDC setting must be more than 5min
948 +)))
927 927  
928 928  
951 +
952 +
929 929  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
930 930  
931 931  * (% style="color:#037691" %)**AT Command**
... ... @@ -1077,7 +1077,7 @@
1077 1077  
1078 1078  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1079 1079  
1080 -[[image:image-20220524093831-10.png]]
1104 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1081 1081  
1082 1082  
1083 1083  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1087,21 +1087,21 @@
1087 1087  
1088 1088  **Example payload:**
1089 1089  
1090 -**~1. 05 01 11 07 D0**
1114 +**~1. 05 01 11 07 D**
1091 1091  
1092 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1116 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1093 1093  
1094 1094  **2. 05 01 10 07 D0**
1095 1095  
1096 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1120 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1097 1097  
1098 1098  **3. 05 00 01 07 D0**
1099 1099  
1100 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1124 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1101 1101  
1102 1102  **4. 05 00 00 07 D0**
1103 1103  
1104 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1128 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1105 1105  
1106 1106  
1107 1107  
... ... @@ -1126,7 +1126,7 @@
1126 1126  
1127 1127  * (% style="color:#037691" %)**AT Command:**
1128 1128  
1129 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1153 +**AT+SETCNT=aa,(bb cc dd ee) **
1130 1130  
1131 1131  aa: 1: Set count1,
1132 1132  
... ... @@ -1150,7 +1150,7 @@
1150 1150  
1151 1151  * (% style="color:#037691" %)**AT Command:**
1152 1152  
1153 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1177 +**AT+CLRCOUNT ** ~/~/ clear all counting
1154 1154  
1155 1155  
1156 1156  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1191,12 +1191,11 @@
1191 1191  (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1192 1192  )))
1193 1193  
1194 -[[image:1653356737703-362.png||height="232" width="732"]]
1218 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1195 1195  
1196 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1197 1197  
1198 1198  
1199 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1222 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1200 1200  
1201 1201  
1202 1202  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1408,6 +1408,7 @@
1408 1408  [[image:image-20220524100748-11.png]]
1409 1409  
1410 1410  
1434 +
1411 1411  = 4. Use AT Command =
1412 1412  
1413 1413  == 4.1 Access AT Command ==
... ... @@ -1610,8 +1610,6 @@
1610 1610  
1611 1611  (((
1612 1612  AT+CFG: Print all settings
1613 -
1614 -
1615 1615  )))
1616 1616  
1617 1617  
... ... @@ -1657,8 +1657,6 @@
1657 1657  
1658 1658  (((
1659 1659  (% style="background-color:#dcdcdc" %)ATZ
1660 -
1661 -
1662 1662  )))
1663 1663  
1664 1664  
... ... @@ -1771,7 +1771,7 @@
1771 1771  
1772 1772  
1773 1773  (% style="color:blue" %)**For LT-22222-L**(%%):
1774 -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.
1794 +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.
1775 1775  )))
1776 1776  
1777 1777   [[image:image-20220524103407-12.png]]
... ... @@ -1865,6 +1865,8 @@
1865 1865  == 5.5 Can i use point to point communication for LT-22222-L? ==
1866 1866  
1867 1867  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1888 +
1889 +
1868 1868  )))
1869 1869  
1870 1870  (((
... ... @@ -1878,12 +1878,13 @@
1878 1878  
1879 1879  After restart, the status before power failure will be read from flash.
1880 1880  
1903 +
1881 1881  = 6. Trouble Shooting =
1882 1882  )))
1883 1883  
1884 1884  (((
1885 1885  (((
1886 -== 6.1 Downlink doesn’t work, how to solve it? ==
1909 +== 6.1 Downlink doesn't work, how to solve it? ==
1887 1887  )))
1888 1888  )))
1889 1889  
... ... @@ -1904,7 +1904,7 @@
1904 1904  (((
1905 1905  
1906 1906  
1907 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1930 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1908 1908  )))
1909 1909  
1910 1910  (((
... ... @@ -1912,24 +1912,22 @@
1912 1912  )))
1913 1913  
1914 1914  
1915 -
1916 1916  = 7. Order Info =
1917 1917  
1918 1918  
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
1945 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
1946 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
1947 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
1948 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
1949 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
1950 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
1951 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
1952 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
1953 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1933 1933  
1934 1934  = 8. Packing Info =
1935 1935  
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