Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.15 >
edited by Xiaoling
on 2022/06/01 17:41
To version < 77.26 >
edited by Xiaoling
on 2022/06/10 08:41
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... ... @@ -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  )))
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93 93  Power Input 7~~ 24V DC. 
94 94  )))
95 95  
102 +
96 96  (((
97 97  **LoRa Spec:**
98 98  )))
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157 157  
158 158  )))
159 159  
167 +
168 +
160 160  == 1.3 Features ==
161 161  
162 162  * LoRaWAN Class A & Class C protocol
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206 206  [[image:1653297104069-180.png]]
207 207  
208 208  
218 +
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
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220 220  
221 221  )))
222 222  
233 +
234 +
223 223  == 3.2 Example to join LoRaWAN network ==
224 224  
225 225  (((
... ... @@ -261,6 +261,7 @@
261 261  [[image:1653298044601-602.png||height="405" width="709"]]
262 262  
263 263  
276 +
264 264  == 3.3 Uplink Payload ==
265 265  
266 266  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -309,6 +309,7 @@
309 309  * [1] RO1 relay channel is close and the RO1 LED is ON.
310 310  * [0] RO2 relay channel is open and RO2 LED is OFF;
311 311  
325 +
312 312  **LT22222-L:**
313 313  
314 314  * [1] DI2 channel is high input and DI2 LED is ON;
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419 419  )))
420 420  
421 421  
436 +
422 422  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
423 423  
424 424  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -463,6 +463,8 @@
463 463  
464 464  )))
465 465  
481 +
482 +
466 466  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
467 467  
468 468  **LT22222-L**: This mode the DI1 is used as a counting pin.
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544 544  )))
545 545  
546 546  
564 +
547 547  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
548 548  
549 549  **LT22222-L**: This mode the DI1 is used as a counting pin.
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588 588  
589 589  )))
590 590  
609 +
610 +
591 591  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
592 592  
593 593  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
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711 711  When device got this command, it will send the MOD6 payload.
712 712  
713 713  
734 +
714 714  === 3.3.7 Payload Decoder ===
715 715  
716 716  (((
... ... @@ -719,6 +719,8 @@
719 719  
720 720  )))
721 721  
743 +
744 +
722 722  == 3.4 ​Configure LT via AT or Downlink ==
723 723  
724 724  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -731,11 +731,14 @@
731 731  
732 732  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
733 733  
757 +
758 +
734 734  === 3.4.1 Common Commands ===
735 735  
736 736  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]]
737 737  
738 738  
764 +
739 739  === 3.4.2 Sensor related commands ===
740 740  
741 741  ==== 3.4.2.1 Set Transmit Interval ====
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759 759  )))
760 760  
761 761  
788 +
762 762  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
763 763  
764 764  Set work mode.
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780 780  )))
781 781  
782 782  
810 +
783 783  ==== 3.4.2.3 Poll an uplink ====
784 784  
785 785  * AT Command:
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796 796  **Example**: 0x08FF, ask device to send an Uplink
797 797  
798 798  
827 +
799 799  ==== 3.4.2.4 Enable Trigger Mode ====
800 800  
801 801  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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819 819  )))
820 820  
821 821  
851 +
822 822  ==== 3.4.2.5 Poll trigger settings ====
823 823  
824 824  Poll trigger settings,
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835 835  )))
836 836  
837 837  
868 +
838 838  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
839 839  
840 840  Enable Disable DI1/DI2/DI2 as trigger,
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858 858  )))
859 859  
860 860  
892 +
861 861  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
862 862  
863 863  Set DI1 or DI3(for LT-33222-L) trigger.
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885 885  )))
886 886  
887 887  
920 +
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
890 890  Set DI2 trigger.
... ... @@ -912,6 +912,7 @@
912 912  )))
913 913  
914 914  
948 +
915 915  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
916 916  
917 917  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1149,7 +1149,7 @@
1149 1149  
1150 1150  (% class="box infomessage" %)
1151 1151  (((
1152 -**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]]**
1186 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1153 1153  )))
1154 1154  
1155 1155  * Downlink Payload (prefix 0xA5):
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1244 1244  
1245 1245  [[image:image-20220524094641-12.png||height="402" width="718"]]
1246 1246  
1281 +
1247 1247  **Step 3**: Create an account or log in Mydevices.
1248 1248  
1249 1249  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1867,6 +1867,11 @@
1867 1867  (((
1868 1868  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.
1869 1869  
1905 +
1906 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1907 +
1908 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1909 +
1870 1870  
1871 1871  )))
1872 1872  

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