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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 75.7
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
... ... @@ -178,6 +178,8 @@
178 178  * Smart Cities
179 179  * Smart Factory
180 180  
190 +
191 +
181 181  == 1.5 Hardware Variants ==
182 182  
183 183  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -191,6 +191,8 @@
191 191  * 1 x Counting Port
192 192  )))
193 193  
205 +
206 +
194 194  = 2. Power ON Device =
195 195  
196 196  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.
... ... @@ -202,6 +202,7 @@
202 202  [[image:1653297104069-180.png]]
203 203  
204 204  
218 +
205 205  = 3. Operation Mode =
206 206  
207 207  == 3.1 How it works? ==
... ... @@ -216,6 +216,8 @@
216 216  
217 217  )))
218 218  
233 +
234 +
219 219  == 3.2 Example to join LoRaWAN network ==
220 220  
221 221  (((
... ... @@ -257,6 +257,7 @@
257 257  [[image:1653298044601-602.png||height="405" width="709"]]
258 258  
259 259  
276 +
260 260  == 3.3 Uplink Payload ==
261 261  
262 262  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -268,6 +268,8 @@
268 268  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
269 269  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
270 270  
288 +
289 +
271 271  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
272 272  
273 273  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -303,6 +303,7 @@
303 303  * [1] RO1 relay channel is close and the RO1 LED is ON.
304 304  * [0] RO2 relay channel is open and RO2 LED is OFF;
305 305  
325 +
306 306  **LT22222-L:**
307 307  
308 308  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -318,6 +318,8 @@
318 318  ** DO1 is high in case there is load between DO1 and V+.
319 319  ** DO1 LED is off in both case
320 320  
341 +
342 +
321 321  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
322 322  
323 323  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -411,6 +411,7 @@
411 411  )))
412 412  
413 413  
436 +
414 414  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
415 415  
416 416  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -455,6 +455,8 @@
455 455  
456 456  )))
457 457  
481 +
482 +
458 458  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
459 459  
460 460  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -536,6 +536,7 @@
536 536  )))
537 537  
538 538  
564 +
539 539  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
540 540  
541 541  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -580,6 +580,8 @@
580 580  
581 581  )))
582 582  
609 +
610 +
583 583  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
584 584  
585 585  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -606,6 +606,7 @@
606 606  
607 607  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
608 608  
637 +
609 609  (% style="color:#4f81bd" %)**Trigger base on current**:
610 610  
611 611  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -614,6 +614,7 @@
614 614  
615 615  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
616 616  
646 +
617 617  (% style="color:#4f81bd" %)**Trigger base on DI status**:
618 618  
619 619  DI status trigger Flag.
... ... @@ -701,6 +701,7 @@
701 701  When device got this command, it will send the MOD6 payload.
702 702  
703 703  
734 +
704 704  === 3.3.7 Payload Decoder ===
705 705  
706 706  (((
... ... @@ -709,6 +709,8 @@
709 709  
710 710  )))
711 711  
743 +
744 +
712 712  == 3.4 ​Configure LT via AT or Downlink ==
713 713  
714 714  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -717,15 +717,18 @@
717 717  There are two kinds of Commands:
718 718  )))
719 719  
720 -* (% 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]]
721 721  
722 722  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
723 723  
757 +
758 +
724 724  === 3.4.1 Common Commands ===
725 725  
726 726  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]]
727 727  
728 728  
764 +
729 729  === 3.4.2 Sensor related commands ===
730 730  
731 731  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -749,6 +749,7 @@
749 749  )))
750 750  
751 751  
788 +
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -770,6 +770,7 @@
770 770  )))
771 771  
772 772  
810 +
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
775 775  * AT Command:
... ... @@ -786,9 +786,10 @@
786 786  **Example**: 0x08FF, ask device to send an Uplink
787 787  
788 788  
827 +
789 789  ==== 3.4.2.4 Enable Trigger Mode ====
790 790  
791 -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"]]
792 792  
793 793  * AT Command:
794 794  
... ... @@ -809,6 +809,7 @@
809 809  )))
810 810  
811 811  
851 +
812 812  ==== 3.4.2.5 Poll trigger settings ====
813 813  
814 814  Poll trigger settings,
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825 825  )))
826 826  
827 827  
868 +
828 828  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
829 829  
830 830  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -848,6 +848,7 @@
848 848  )))
849 849  
850 850  
892 +
851 851  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
852 852  
853 853  Set DI1 or DI3(for LT-33222-L) trigger.
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875 875  )))
876 876  
877 877  
920 +
878 878  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
879 879  
880 880  Set DI2 trigger.
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902 902  )))
903 903  
904 904  
948 +
905 905  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
906 906  
907 -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"]]
908 908  
909 909  * AT Command:
910 910  
... ... @@ -917,19 +917,20 @@
917 917  
918 918  (% class="box infomessage" %)
919 919  (((
920 -**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"]]**
921 921  )))
922 922  
923 923  
968 +
924 924  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
925 925  
926 -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"]]
927 927  
928 928  * AT Command:
929 929  
930 930  (% class="box infomessage" %)
931 931  (((
932 -**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"]]**
933 933  )))
934 934  
935 935  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -936,10 +936,11 @@
936 936  
937 937  (% class="box infomessage" %)
938 938  (((
939 -**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"]] **
940 940  )))
941 941  
942 942  
988 +
943 943  ==== 3.4.2.11 Trigger – Set minimum interval ====
944 944  
945 945  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1133,13 +1133,13 @@
1133 1133  
1134 1134  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1135 1135  
1136 -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"]]
1137 1137  
1138 1138  * AT Command:
1139 1139  
1140 1140  (% class="box infomessage" %)
1141 1141  (((
1142 -**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"]]**
1143 1143  )))
1144 1144  
1145 1145  * Downlink Payload (prefix 0xA5):
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1234 1234  
1235 1235  [[image:image-20220524094641-12.png||height="402" width="718"]]
1236 1236  
1283 +
1237 1237  **Step 3**: Create an account or log in Mydevices.
1238 1238  
1239 1239  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1857,6 +1857,11 @@
1857 1857  (((
1858 1858  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.
1859 1859  
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 +
1860 1860  
1861 1861  )))
1862 1862