Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.9 >
edited by Xiaoling
on 2022/06/01 17:28
To version < 77.12 >
edited by Xiaoling
on 2022/06/10 08:39
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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
... ... @@ -206,6 +206,7 @@
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? ==
... ... @@ -220,6 +220,8 @@
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:
... ... @@ -272,6 +272,8 @@
272 272  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273 273  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274 274  
288 +
289 +
275 275  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
276 276  
277 277  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -307,6 +307,7 @@
307 307  * [1] RO1 relay channel is close and the RO1 LED is ON.
308 308  * [0] RO2 relay channel is open and RO2 LED is OFF;
309 309  
325 +
310 310  **LT22222-L:**
311 311  
312 312  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -322,6 +322,8 @@
322 322  ** DO1 is high in case there is load between DO1 and V+.
323 323  ** DO1 LED is off in both case
324 324  
341 +
342 +
325 325  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
326 326  
327 327  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -610,6 +610,7 @@
610 610  
611 611  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
612 612  
631 +
613 613  (% style="color:#4f81bd" %)**Trigger base on current**:
614 614  
615 615  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -618,6 +618,7 @@
618 618  
619 619  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
620 620  
640 +
621 621  (% style="color:#4f81bd" %)**Trigger base on DI status**:
622 622  
623 623  DI status trigger Flag.
... ... @@ -721,7 +721,7 @@
721 721  There are two kinds of Commands:
722 722  )))
723 723  
724 -* (% 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
744 +* (% 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]]
725 725  
726 726  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
727 727  
... ... @@ -792,7 +792,7 @@
792 792  
793 793  ==== 3.4.2.4 Enable Trigger Mode ====
794 794  
795 -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]]
815 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
796 796  
797 797  * AT Command:
798 798  
... ... @@ -908,7 +908,7 @@
908 908  
909 909  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
910 910  
911 -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]]
931 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
912 912  
913 913  * AT Command:
914 914  
... ... @@ -921,19 +921,19 @@
921 921  
922 922  (% class="box infomessage" %)
923 923  (((
924 -**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]]**
944 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
925 925  )))
926 926  
927 927  
928 928  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
929 929  
930 -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]]
950 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
931 931  
932 932  * AT Command:
933 933  
934 934  (% class="box infomessage" %)
935 935  (((
936 -**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]]**
956 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
937 937  )))
938 938  
939 939  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -940,7 +940,7 @@
940 940  
941 941  (% class="box infomessage" %)
942 942  (((
943 -**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]] **
963 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
944 944  )))
945 945  
946 946  
... ... @@ -1137,13 +1137,13 @@
1137 1137  
1138 1138  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1139 1139  
1140 -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]]
1160 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1141 1141  
1142 1142  * AT Command:
1143 1143  
1144 1144  (% class="box infomessage" %)
1145 1145  (((
1146 -**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]]**
1166 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1147 1147  )))
1148 1148  
1149 1149  * Downlink Payload (prefix 0xA5):
... ... @@ -1238,6 +1238,7 @@
1238 1238  
1239 1239  [[image:image-20220524094641-12.png||height="402" width="718"]]
1240 1240  
1261 +
1241 1241  **Step 3**: Create an account or log in Mydevices.
1242 1242  
1243 1243  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1861,6 +1861,11 @@
1861 1861  (((
1862 1862  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.
1863 1863  
1885 +
1886 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1887 +
1888 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1889 +
1864 1864  
1865 1865  )))
1866 1866  

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0