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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 75.6
edited by Xiaoling
on 2022/06/01 17:27
Change comment: There is no comment for this version
To version 77.28
edited by Xiaoling
on 2022/06/10 08:41
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -11,6 +11,9 @@
11 11  
12 12  
13 13  
14 +
15 +
16 +
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -48,6 +48,8 @@
48 48  == 1.2  Specifications ==
49 49  
50 50  (((
54 +
55 +
51 51  **Hardware System:**
52 52  )))
53 53  
... ... @@ -70,6 +70,7 @@
70 70  )))
71 71  )))
72 72  
78 +
73 73  (((
74 74  **Interface for Model: LT22222-L:**
75 75  )))
... ... @@ -93,6 +93,7 @@
93 93  Power Input 7~~ 24V DC. 
94 94  )))
95 95  
102 +
96 96  (((
97 97  **LoRa Spec:**
98 98  )))
... ... @@ -157,6 +157,8 @@
157 157  
158 158  )))
159 159  
167 +
168 +
160 160  == 1.3 Features ==
161 161  
162 162  * LoRaWAN Class A & Class C protocol
... ... @@ -167,6 +167,8 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
179 +
180 +
170 170  == 1.4  Applications ==
171 171  
172 172  * Smart Buildings & Home Automation
... ... @@ -176,6 +176,8 @@
176 176  * Smart Cities
177 177  * Smart Factory
178 178  
190 +
191 +
179 179  == 1.5 Hardware Variants ==
180 180  
181 181  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -189,6 +189,8 @@
189 189  * 1 x Counting Port
190 190  )))
191 191  
205 +
206 +
192 192  = 2. Power ON Device =
193 193  
194 194  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.
... ... @@ -200,6 +200,7 @@
200 200  [[image:1653297104069-180.png]]
201 201  
202 202  
218 +
203 203  = 3. Operation Mode =
204 204  
205 205  == 3.1 How it works? ==
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214 214  
215 215  )))
216 216  
233 +
234 +
217 217  == 3.2 Example to join LoRaWAN network ==
218 218  
219 219  (((
... ... @@ -255,6 +255,7 @@
255 255  [[image:1653298044601-602.png||height="405" width="709"]]
256 256  
257 257  
276 +
258 258  == 3.3 Uplink Payload ==
259 259  
260 260  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -266,6 +266,8 @@
266 266  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
267 267  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
268 268  
288 +
289 +
269 269  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
270 270  
271 271  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -301,6 +301,7 @@
301 301  * [1] RO1 relay channel is close and the RO1 LED is ON.
302 302  * [0] RO2 relay channel is open and RO2 LED is OFF;
303 303  
325 +
304 304  **LT22222-L:**
305 305  
306 306  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -316,6 +316,8 @@
316 316  ** DO1 is high in case there is load between DO1 and V+.
317 317  ** DO1 LED is off in both case
318 318  
341 +
342 +
319 319  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
320 320  
321 321  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -409,6 +409,7 @@
409 409  )))
410 410  
411 411  
436 +
412 412  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
413 413  
414 414  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -453,6 +453,8 @@
453 453  
454 454  )))
455 455  
481 +
482 +
456 456  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
457 457  
458 458  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -534,6 +534,7 @@
534 534  )))
535 535  
536 536  
564 +
537 537  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
538 538  
539 539  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -578,6 +578,8 @@
578 578  
579 579  )))
580 580  
609 +
610 +
581 581  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
582 582  
583 583  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -604,6 +604,7 @@
604 604  
605 605  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
606 606  
637 +
607 607  (% style="color:#4f81bd" %)**Trigger base on current**:
608 608  
609 609  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -612,6 +612,7 @@
612 612  
613 613  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
614 614  
646 +
615 615  (% style="color:#4f81bd" %)**Trigger base on DI status**:
616 616  
617 617  DI status trigger Flag.
... ... @@ -699,6 +699,7 @@
699 699  When device got this command, it will send the MOD6 payload.
700 700  
701 701  
734 +
702 702  === 3.3.7 Payload Decoder ===
703 703  
704 704  (((
... ... @@ -707,6 +707,8 @@
707 707  
708 708  )))
709 709  
743 +
744 +
710 710  == 3.4 ​Configure LT via AT or Downlink ==
711 711  
712 712  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -715,15 +715,18 @@
715 715  There are two kinds of Commands:
716 716  )))
717 717  
718 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
753 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
719 719  
720 720  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
721 721  
757 +
758 +
722 722  === 3.4.1 Common Commands ===
723 723  
724 724  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]]
725 725  
726 726  
764 +
727 727  === 3.4.2 Sensor related commands ===
728 728  
729 729  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -747,6 +747,7 @@
747 747  )))
748 748  
749 749  
788 +
750 750  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
751 751  
752 752  Set work mode.
... ... @@ -768,6 +768,7 @@
768 768  )))
769 769  
770 770  
810 +
771 771  ==== 3.4.2.3 Poll an uplink ====
772 772  
773 773  * AT Command:
... ... @@ -784,9 +784,10 @@
784 784  **Example**: 0x08FF, ask device to send an Uplink
785 785  
786 786  
827 +
787 787  ==== 3.4.2.4 Enable Trigger Mode ====
788 788  
789 -Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
830 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
790 790  
791 791  * AT Command:
792 792  
... ... @@ -807,6 +807,7 @@
807 807  )))
808 808  
809 809  
851 +
810 810  ==== 3.4.2.5 Poll trigger settings ====
811 811  
812 812  Poll trigger settings,
... ... @@ -823,6 +823,7 @@
823 823  )))
824 824  
825 825  
868 +
826 826  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
827 827  
828 828  Enable Disable DI1/DI2/DI2 as trigger,
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846 846  )))
847 847  
848 848  
892 +
849 849  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
850 850  
851 851  Set DI1 or DI3(for LT-33222-L) trigger.
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873 873  )))
874 874  
875 875  
920 +
876 876  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
877 877  
878 878  Set DI2 trigger.
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900 900  )))
901 901  
902 902  
948 +
903 903  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
904 904  
905 -Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
951 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
906 906  
907 907  * AT Command:
908 908  
... ... @@ -915,19 +915,20 @@
915 915  
916 916  (% class="box infomessage" %)
917 917  (((
918 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
964 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
919 919  )))
920 920  
921 921  
968 +
922 922  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
923 923  
924 -Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
971 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
925 925  
926 926  * AT Command:
927 927  
928 928  (% class="box infomessage" %)
929 929  (((
930 -**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
977 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
931 931  )))
932 932  
933 933  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -934,10 +934,11 @@
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
937 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
984 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
938 938  )))
939 939  
940 940  
988 +
941 941  ==== 3.4.2.11 Trigger – Set minimum interval ====
942 942  
943 943  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1131,13 +1131,13 @@
1131 1131  
1132 1132  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1133 1133  
1134 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1182 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1135 1135  
1136 1136  * AT Command:
1137 1137  
1138 1138  (% class="box infomessage" %)
1139 1139  (((
1140 -**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1188 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1141 1141  )))
1142 1142  
1143 1143  * Downlink Payload (prefix 0xA5):
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1232 1232  
1233 1233  [[image:image-20220524094641-12.png||height="402" width="718"]]
1234 1234  
1283 +
1235 1235  **Step 3**: Create an account or log in Mydevices.
1236 1236  
1237 1237  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1855,6 +1855,11 @@
1855 1855  (((
1856 1856  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1857 1857  
1907 +
1908 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1909 +
1910 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1911 +
1858 1858  
1859 1859  )))
1860 1860