Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 75.18 >
edited by Xiaoling
on 2022/06/01 17:48
To version < 68.20 >
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16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
19 -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.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -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.
28 28  )))
29 29  
30 30  (((
... ... @@ -192,6 +192,7 @@
192 192  )))
193 193  
194 194  
195 +
195 195  = 2. Power ON Device =
196 196  
197 197  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.
... ... @@ -305,6 +305,7 @@
305 305  * [1] RO1 relay channel is close and the RO1 LED is ON.
306 306  * [0] RO2 relay channel is open and RO2 LED is OFF;
307 307  
309 +
308 308  **LT22222-L:**
309 309  
310 310  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -609,7 +609,6 @@
609 609  
610 610  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
611 611  
612 -
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>
... ... @@ -618,7 +618,6 @@
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  
621 -
622 622  (% style="color:#4f81bd" %)**Trigger base on DI status**:
623 623  
624 624  DI status trigger Flag.
... ... @@ -722,10 +722,11 @@
722 722  There are two kinds of Commands:
723 723  )))
724 724  
725 -* (% 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 +* (% 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
726 726  
727 727  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
728 728  
729 +
729 729  === 3.4.1 Common Commands ===
730 730  
731 731  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]]
... ... @@ -793,7 +793,7 @@
793 793  
794 794  ==== 3.4.2.4 Enable Trigger Mode ====
795 795  
796 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
797 +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]]
797 797  
798 798  * AT Command:
799 799  
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909 909  
910 910  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
911 911  
912 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
913 +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]]
913 913  
914 914  * AT Command:
915 915  
... ... @@ -922,19 +922,19 @@
922 922  
923 923  (% class="box infomessage" %)
924 924  (((
925 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
926 +**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]]**
926 926  )))
927 927  
928 928  
929 929  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
930 930  
931 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
932 +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]]
932 932  
933 933  * AT Command:
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
937 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
938 +**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]]**
938 938  )))
939 939  
940 940  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -941,7 +941,7 @@
941 941  
942 942  (% class="box infomessage" %)
943 943  (((
944 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
945 +**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]] **
945 945  )))
946 946  
947 947  
... ... @@ -1138,13 +1138,13 @@
1138 1138  
1139 1139  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1140 1140  
1141 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1142 +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]]
1142 1142  
1143 1143  * AT Command:
1144 1144  
1145 1145  (% class="box infomessage" %)
1146 1146  (((
1147 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1148 +**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]]**
1148 1148  )))
1149 1149  
1150 1150  * Downlink Payload (prefix 0xA5):
... ... @@ -1239,7 +1239,6 @@
1239 1239  
1240 1240  [[image:image-20220524094641-12.png||height="402" width="718"]]
1241 1241  
1242 -
1243 1243  **Step 3**: Create an account or log in Mydevices.
1244 1244  
1245 1245  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1286,103 +1286,50 @@
1286 1286  [[image:1653357170703-587.png]]
1287 1287  
1288 1288  (((
1289 -(((
1290 1290  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1291 1291  )))
1292 -)))
1293 1293  
1294 -(((
1295 -
1296 -)))
1297 1297  
1298 -(((
1299 1299  **Example1**: Connect to a Low active sensor.
1300 -)))
1301 1301  
1302 -(((
1303 1303  This type of sensor will output a low signal GND when active.
1304 -)))
1305 1305  
1306 -* (((
1307 -Connect sensor’s output to DI1-
1308 -)))
1309 -* (((
1310 -Connect sensor’s VCC to DI1+.
1311 -)))
1297 +* Connect sensor’s output to DI1-
1298 +* Connect sensor’s VCC to DI1+.
1312 1312  
1313 -(((
1314 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1315 -)))
1300 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1316 1316  
1317 -(((
1318 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1319 -)))
1302 +[[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.**
1320 1320  
1321 -(((
1322 -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.
1323 -)))
1304 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1324 1324  
1325 -(((
1326 -
1327 -)))
1328 1328  
1329 -(((
1330 1330  **Example2**: Connect to a High active sensor.
1331 -)))
1332 1332  
1333 -(((
1334 1334  This type of sensor will output a high signal (example 24v) when active.
1335 -)))
1336 1336  
1337 -* (((
1338 -Connect sensor’s output to DI1+
1339 -)))
1340 -* (((
1341 -Connect sensor’s GND DI1-.
1342 -)))
1311 +* Connect sensor’s output to DI1+
1312 +* Connect sensor’s GND DI1-.
1343 1343  
1344 -(((
1345 1345  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1346 -)))
1347 1347  
1348 -(((
1349 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1350 -)))
1316 +[[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.**
1351 1351  
1352 -(((
1353 -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.
1354 -)))
1318 +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:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1355 1355  
1356 -(((
1357 -
1358 -)))
1359 1359  
1360 -(((
1361 1361  **Example3**: Connect to a 220v high active sensor.
1362 -)))
1363 1363  
1364 -(((
1365 1365  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1366 -)))
1367 1367  
1368 -* (((
1369 -Connect sensor’s output to DI1+ with a serial 50K resistor
1370 -)))
1371 -* (((
1372 -Connect sensor’s GND DI1-.
1373 -)))
1325 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1326 +* Connect sensor’s GND DI1-.
1374 1374  
1375 -(((
1376 1376  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1377 -)))
1378 1378  
1379 -(((
1380 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1381 -)))
1330 + [[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.**
1382 1382  
1383 -(((
1384 -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.
1385 -)))
1332 +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.
1386 1386  
1387 1387  
1388 1388  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
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1877 1877  )))
1878 1878  
1879 1879  (((
1880 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1827 +Please see this link for how to debug:
1881 1881  
1829 +[[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]]
1830 +
1882 1882  
1883 1883  )))
1884 1884  
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1887 1887  )))
1888 1888  
1889 1889  (((
1890 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1839 +See this link for trouble shooting:
1840 +
1841 +[[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/]]
1891 1891  )))
1892 1892  
1893 1893  (((
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1899 1899  )))
1900 1900  
1901 1901  (((
1902 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1853 +It might be about the channels mapping. Please see this link for detail:
1854 +
1855 +[[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]]
1903 1903  )))
1904 1904  
1905 1905  (((
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