Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.7 >
edited by Xiaoling
on 2022/06/01 17:27
To version < 77.7 >
edited by Xiaoling
on 2022/06/10 08:38
>
Change comment: There is no comment for this version

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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  )))
... ... @@ -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? ==
... ... @@ -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  
623 +
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  
632 +
617 617  (% style="color:#4f81bd" %)**Trigger base on DI status**:
618 618  
619 619  DI status trigger Flag.
... ... @@ -717,7 +717,7 @@
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
736 +* (% 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  
... ... @@ -788,7 +788,7 @@
788 788  
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]]
807 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
792 792  
793 793  * AT Command:
794 794  
... ... @@ -904,7 +904,7 @@
904 904  
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]]
923 +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 +917,19 @@
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]]**
936 +**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  
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]]
942 +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]]**
948 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
933 933  )))
934 934  
935 935  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -936,7 +936,7 @@
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]] **
955 +**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  
... ... @@ -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]]
1152 +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]]**
1158 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1143 1143  )))
1144 1144  
1145 1145  * Downlink Payload (prefix 0xA5):
... ... @@ -1234,6 +1234,7 @@
1234 1234  
1235 1235  [[image:image-20220524094641-12.png||height="402" width="718"]]
1236 1236  
1253 +
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  
1877 +
1878 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1879 +
1880 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1881 +
1860 1860  
1861 1861  )))
1862 1862  

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