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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 77.13
edited by Xiaoling
on 2022/06/10 08:39
Change comment: There is no comment for this version
To version 68.19
edited by Xiaoling
on 2022/05/25 15:28
Change comment: There is no comment for this version

Summary

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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
... ... @@ -177,7 +177,6 @@
177 177  * Counting
178 178  
179 179  
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -188,7 +188,6 @@
188 188  * Smart Factory
189 189  
190 190  
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -215,7 +215,6 @@
215 215  [[image:1653297104069-180.png]]
216 216  
217 217  
218 -
219 219  = 3. Operation Mode =
220 220  
221 221  == 3.1 How it works? ==
... ... @@ -230,8 +230,6 @@
230 230  
231 231  )))
232 232  
233 -
234 -
235 235  == 3.2 Example to join LoRaWAN network ==
236 236  
237 237  (((
... ... @@ -273,7 +273,6 @@
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
274 274  
275 275  
276 -
277 277  == 3.3 Uplink Payload ==
278 278  
279 279  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -286,7 +286,6 @@
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 288  
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -339,7 +339,6 @@
339 339  ** DO1 LED is off in both case
340 340  
341 341  
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -433,7 +433,6 @@
433 433  )))
434 434  
435 435  
436 -
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -629,7 +629,6 @@
629 629  
630 630  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
631 631  
632 -
633 633  (% style="color:#4f81bd" %)**Trigger base on current**:
634 634  
635 635  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -638,7 +638,6 @@
638 638  
639 639  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
640 640  
641 -
642 642  (% style="color:#4f81bd" %)**Trigger base on DI status**:
643 643  
644 644  DI status trigger Flag.
... ... @@ -742,10 +742,11 @@
742 742  There are two kinds of Commands:
743 743  )))
744 744  
745 -* (% 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
746 746  
747 747  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
748 748  
729 +
749 749  === 3.4.1 Common Commands ===
750 750  
751 751  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]]
... ... @@ -813,7 +813,7 @@
813 813  
814 814  ==== 3.4.2.4 Enable Trigger Mode ====
815 815  
816 -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]]
817 817  
818 818  * AT Command:
819 819  
... ... @@ -929,7 +929,7 @@
929 929  
930 930  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
931 931  
932 -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]]
933 933  
934 934  * AT Command:
935 935  
... ... @@ -942,19 +942,19 @@
942 942  
943 943  (% class="box infomessage" %)
944 944  (((
945 -**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]]**
946 946  )))
947 947  
948 948  
949 949  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
950 950  
951 -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]]
952 952  
953 953  * AT Command:
954 954  
955 955  (% class="box infomessage" %)
956 956  (((
957 -**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]]**
958 958  )))
959 959  
960 960  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -961,7 +961,7 @@
961 961  
962 962  (% class="box infomessage" %)
963 963  (((
964 -**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]] **
965 965  )))
966 966  
967 967  
... ... @@ -1158,13 +1158,13 @@
1158 1158  
1159 1159  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1160 1160  
1161 -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]]
1162 1162  
1163 1163  * AT Command:
1164 1164  
1165 1165  (% class="box infomessage" %)
1166 1166  (((
1167 -**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]]**
1168 1168  )))
1169 1169  
1170 1170  * Downlink Payload (prefix 0xA5):
... ... @@ -1259,7 +1259,6 @@
1259 1259  
1260 1260  [[image:image-20220524094641-12.png||height="402" width="718"]]
1261 1261  
1262 -
1263 1263  **Step 3**: Create an account or log in Mydevices.
1264 1264  
1265 1265  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1306,103 +1306,50 @@
1306 1306  [[image:1653357170703-587.png]]
1307 1307  
1308 1308  (((
1309 -(((
1310 1310  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1311 1311  )))
1312 -)))
1313 1313  
1314 -(((
1315 -
1316 -)))
1317 1317  
1318 -(((
1319 1319  **Example1**: Connect to a Low active sensor.
1320 -)))
1321 1321  
1322 -(((
1323 1323  This type of sensor will output a low signal GND when active.
1324 -)))
1325 1325  
1326 -* (((
1327 -Connect sensor’s output to DI1-
1328 -)))
1329 -* (((
1330 -Connect sensor’s VCC to DI1+.
1331 -)))
1297 +* Connect sensor’s output to DI1-
1298 +* Connect sensor’s VCC to DI1+.
1332 1332  
1333 -(((
1334 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1335 -)))
1300 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1336 1336  
1337 -(((
1338 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1339 -)))
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.**
1340 1340  
1341 -(((
1342 -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.
1343 -)))
1304 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1344 1344  
1345 -(((
1346 -
1347 -)))
1348 1348  
1349 -(((
1350 1350  **Example2**: Connect to a High active sensor.
1351 -)))
1352 1352  
1353 -(((
1354 1354  This type of sensor will output a high signal (example 24v) when active.
1355 -)))
1356 1356  
1357 -* (((
1358 -Connect sensor’s output to DI1+
1359 -)))
1360 -* (((
1361 -Connect sensor’s GND DI1-.
1362 -)))
1311 +* Connect sensor’s output to DI1+
1312 +* Connect sensor’s GND DI1-.
1363 1363  
1364 -(((
1365 1365  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1366 -)))
1367 1367  
1368 -(((
1369 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1370 -)))
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.**
1371 1371  
1372 -(((
1373 -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.
1374 -)))
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.
1375 1375  
1376 -(((
1377 -
1378 -)))
1379 1379  
1380 -(((
1381 1381  **Example3**: Connect to a 220v high active sensor.
1382 -)))
1383 1383  
1384 -(((
1385 1385  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1386 -)))
1387 1387  
1388 -* (((
1389 -Connect sensor’s output to DI1+ with a serial 50K resistor
1390 -)))
1391 -* (((
1392 -Connect sensor’s GND DI1-.
1393 -)))
1325 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1326 +* Connect sensor’s GND DI1-.
1394 1394  
1395 -(((
1396 1396  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1397 -)))
1398 1398  
1399 -(((
1400 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1401 -)))
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.**
1402 1402  
1403 -(((
1404 -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.
1405 -)))
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.
1406 1406  
1407 1407  
1408 1408  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
... ... @@ -1883,11 +1883,6 @@
1883 1883  (((
1884 1884  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.
1885 1885  
1886 -
1887 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1888 -
1889 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1890 -
1891 1891  
1892 1892  )))
1893 1893  
... ... @@ -1902,8 +1902,10 @@
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -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:
1906 1906  
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 +
1907 1907  
1908 1908  )))
1909 1909  
... ... @@ -1912,7 +1912,9 @@
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -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/]]
1916 1916  )))
1917 1917  
1918 1918  (((
... ... @@ -1924,7 +1924,9 @@
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -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]]
1928 1928  )))
1929 1929  
1930 1930  (((
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