Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.6 >
edited by Xiaoling
on 2022/06/10 08:38
To version < 68.24 >
edited by Xiaoling
on 2022/05/31 11:10
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... ... @@ -11,15 +11,12 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
25 25  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31 31  )))
32 32  
33 33  (((
... ... @@ -51,8 +51,6 @@
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
54 -
55 -
56 56  **Hardware System:**
57 57  )))
58 58  
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  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.
... ... @@ -619,7 +619,6 @@
619 619  
620 620  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
621 621  
622 -
623 623  (% style="color:#4f81bd" %)**Trigger base on current**:
624 624  
625 625  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -628,7 +628,6 @@
628 628  
629 629  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
630 630  
631 -
632 632  (% style="color:#4f81bd" %)**Trigger base on DI status**:
633 633  
634 634  DI status trigger Flag.
... ... @@ -732,7 +732,7 @@
732 732  There are two kinds of Commands:
733 733  )))
734 734  
735 -* (% 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]]
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
736 736  
737 737  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
738 738  
... ... @@ -803,7 +803,7 @@
803 803  
804 804  ==== 3.4.2.4 Enable Trigger Mode ====
805 805  
806 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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]]
807 807  
808 808  * AT Command:
809 809  
... ... @@ -919,7 +919,7 @@
919 919  
920 920  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
921 921  
922 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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]]
923 923  
924 924  * AT Command:
925 925  
... ... @@ -932,19 +932,19 @@
932 932  
933 933  (% class="box infomessage" %)
934 934  (((
935 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
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]]**
936 936  )))
937 937  
938 938  
939 939  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
940 940  
941 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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]]
942 942  
943 943  * AT Command:
944 944  
945 945  (% class="box infomessage" %)
946 946  (((
947 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
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]]**
948 948  )))
949 949  
950 950  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -951,7 +951,7 @@
951 951  
952 952  (% class="box infomessage" %)
953 953  (((
954 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
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]] **
955 955  )))
956 956  
957 957  
... ... @@ -1148,13 +1148,13 @@
1148 1148  
1149 1149  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1150 1150  
1151 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
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]]
1152 1152  
1153 1153  * AT Command:
1154 1154  
1155 1155  (% class="box infomessage" %)
1156 1156  (((
1157 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
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]]**
1158 1158  )))
1159 1159  
1160 1160  * Downlink Payload (prefix 0xA5):
... ... @@ -1249,7 +1249,6 @@
1249 1249  
1250 1250  [[image:image-20220524094641-12.png||height="402" width="718"]]
1251 1251  
1252 -
1253 1253  **Step 3**: Create an account or log in Mydevices.
1254 1254  
1255 1255  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1296,103 +1296,50 @@
1296 1296  [[image:1653357170703-587.png]]
1297 1297  
1298 1298  (((
1299 -(((
1300 1300  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1301 1301  )))
1302 -)))
1303 1303  
1304 -(((
1305 -
1306 -)))
1307 1307  
1308 -(((
1309 1309  **Example1**: Connect to a Low active sensor.
1310 -)))
1311 1311  
1312 -(((
1313 1313  This type of sensor will output a low signal GND when active.
1314 -)))
1315 1315  
1316 -* (((
1317 -Connect sensor’s output to DI1-
1318 -)))
1319 -* (((
1320 -Connect sensor’s VCC to DI1+.
1321 -)))
1289 +* Connect sensor’s output to DI1-
1290 +* Connect sensor’s VCC to DI1+.
1322 1322  
1323 -(((
1324 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1325 -)))
1292 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1326 1326  
1327 -(((
1328 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1329 -)))
1294 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1330 1330  
1331 -(((
1332 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1333 -)))
1296 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1334 1334  
1335 -(((
1336 -
1337 -)))
1338 1338  
1339 -(((
1340 1340  **Example2**: Connect to a High active sensor.
1341 -)))
1342 1342  
1343 -(((
1344 1344  This type of sensor will output a high signal (example 24v) when active.
1345 -)))
1346 1346  
1347 -* (((
1348 -Connect sensor’s output to DI1+
1349 -)))
1350 -* (((
1351 -Connect sensor’s GND DI1-.
1352 -)))
1303 +* Connect sensor’s output to DI1+
1304 +* Connect sensor’s GND DI1-.
1353 1353  
1354 -(((
1355 1355  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1356 -)))
1357 1357  
1358 -(((
1359 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1360 -)))
1308 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1361 1361  
1362 -(((
1363 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1364 -)))
1310 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1365 1365  
1366 -(((
1367 -
1368 -)))
1369 1369  
1370 -(((
1371 1371  **Example3**: Connect to a 220v high active sensor.
1372 -)))
1373 1373  
1374 -(((
1375 1375  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1376 -)))
1377 1377  
1378 -* (((
1379 -Connect sensor’s output to DI1+ with a serial 50K resistor
1380 -)))
1381 -* (((
1382 -Connect sensor’s GND DI1-.
1383 -)))
1317 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1318 +* Connect sensor’s GND DI1-.
1384 1384  
1385 -(((
1386 1386  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1387 -)))
1388 1388  
1389 -(((
1390 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1391 -)))
1322 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1392 1392  
1393 -(((
1394 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1395 -)))
1324 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1396 1396  
1397 1397  
1398 1398  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
... ... @@ -1873,11 +1873,6 @@
1873 1873  (((
1874 1874  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.
1875 1875  
1876 -
1877 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1878 -
1879 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1880 -
1881 1881  
1882 1882  )))
1883 1883  
... ... @@ -1892,8 +1892,10 @@
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1819 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>LoRaWAN Communication Debug||anchor="H5.1Howitwork"]]
1896 1896  
1821 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1822 +
1897 1897  
1898 1898  )))
1899 1899  
... ... @@ -1902,7 +1902,9 @@
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1831 +See this link for trouble shooting:
1832 +
1833 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1906 1906  )))
1907 1907  
1908 1908  (((
... ... @@ -1914,7 +1914,9 @@
1914 1914  )))
1915 1915  
1916 1916  (((
1917 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1845 +It might be about the channels mapping. Please see this link for detail:
1846 +
1847 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1918 1918  )))
1919 1919  
1920 1920  (((
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