Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.11 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 68.19 >
edited by Xiaoling
on 2022/05/25 15:28
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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.
... ... @@ -338,6 +338,7 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
325 +
341 341  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
342 342  
343 343  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -626,7 +626,6 @@
626 626  
627 627  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
628 628  
629 -
630 630  (% style="color:#4f81bd" %)**Trigger base on current**:
631 631  
632 632  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -635,7 +635,6 @@
635 635  
636 636  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
637 637  
638 -
639 639  (% style="color:#4f81bd" %)**Trigger base on DI status**:
640 640  
641 641  DI status trigger Flag.
... ... @@ -739,10 +739,11 @@
739 739  There are two kinds of Commands:
740 740  )))
741 741  
742 -* (% 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
743 743  
744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745 745  
729 +
746 746  === 3.4.1 Common Commands ===
747 747  
748 748  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]]
... ... @@ -810,7 +810,7 @@
810 810  
811 811  ==== 3.4.2.4 Enable Trigger Mode ====
812 812  
813 -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]]
814 814  
815 815  * AT Command:
816 816  
... ... @@ -926,7 +926,7 @@
926 926  
927 927  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
928 928  
929 -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]]
930 930  
931 931  * AT Command:
932 932  
... ... @@ -939,19 +939,19 @@
939 939  
940 940  (% class="box infomessage" %)
941 941  (((
942 -**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]]**
943 943  )))
944 944  
945 945  
946 946  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
947 947  
948 -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]]
949 949  
950 950  * AT Command:
951 951  
952 952  (% class="box infomessage" %)
953 953  (((
954 -**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]]**
955 955  )))
956 956  
957 957  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -958,7 +958,7 @@
958 958  
959 959  (% class="box infomessage" %)
960 960  (((
961 -**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]] **
962 962  )))
963 963  
964 964  
... ... @@ -1155,13 +1155,13 @@
1155 1155  
1156 1156  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1157 1157  
1158 -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]]
1159 1159  
1160 1160  * AT Command:
1161 1161  
1162 1162  (% class="box infomessage" %)
1163 1163  (((
1164 -**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]]**
1165 1165  )))
1166 1166  
1167 1167  * Downlink Payload (prefix 0xA5):
... ... @@ -1256,7 +1256,6 @@
1256 1256  
1257 1257  [[image:image-20220524094641-12.png||height="402" width="718"]]
1258 1258  
1259 -
1260 1260  **Step 3**: Create an account or log in Mydevices.
1261 1261  
1262 1262  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1303,103 +1303,50 @@
1303 1303  [[image:1653357170703-587.png]]
1304 1304  
1305 1305  (((
1306 -(((
1307 1307  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1308 1308  )))
1309 -)))
1310 1310  
1311 -(((
1312 -
1313 -)))
1314 1314  
1315 -(((
1316 1316  **Example1**: Connect to a Low active sensor.
1317 -)))
1318 1318  
1319 -(((
1320 1320  This type of sensor will output a low signal GND when active.
1321 -)))
1322 1322  
1323 -* (((
1324 -Connect sensor’s output to DI1-
1325 -)))
1326 -* (((
1327 -Connect sensor’s VCC to DI1+.
1328 -)))
1297 +* Connect sensor’s output to DI1-
1298 +* Connect sensor’s VCC to DI1+.
1329 1329  
1330 -(((
1331 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1332 -)))
1300 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1333 1333  
1334 -(((
1335 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1336 -)))
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.**
1337 1337  
1338 -(((
1339 -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.
1340 -)))
1304 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1341 1341  
1342 -(((
1343 -
1344 -)))
1345 1345  
1346 -(((
1347 1347  **Example2**: Connect to a High active sensor.
1348 -)))
1349 1349  
1350 -(((
1351 1351  This type of sensor will output a high signal (example 24v) when active.
1352 -)))
1353 1353  
1354 -* (((
1355 -Connect sensor’s output to DI1+
1356 -)))
1357 -* (((
1358 -Connect sensor’s GND DI1-.
1359 -)))
1311 +* Connect sensor’s output to DI1+
1312 +* Connect sensor’s GND DI1-.
1360 1360  
1361 -(((
1362 1362  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1363 -)))
1364 1364  
1365 -(((
1366 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1367 -)))
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.**
1368 1368  
1369 -(((
1370 -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.
1371 -)))
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.
1372 1372  
1373 -(((
1374 -
1375 -)))
1376 1376  
1377 -(((
1378 1378  **Example3**: Connect to a 220v high active sensor.
1379 -)))
1380 1380  
1381 -(((
1382 1382  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1383 -)))
1384 1384  
1385 -* (((
1386 -Connect sensor’s output to DI1+ with a serial 50K resistor
1387 -)))
1388 -* (((
1389 -Connect sensor’s GND DI1-.
1390 -)))
1325 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1326 +* Connect sensor’s GND DI1-.
1391 1391  
1392 -(((
1393 1393  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1394 -)))
1395 1395  
1396 -(((
1397 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1398 -)))
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.**
1399 1399  
1400 -(((
1401 -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.
1402 -)))
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.
1403 1403  
1404 1404  
1405 1405  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
... ... @@ -1880,11 +1880,6 @@
1880 1880  (((
1881 1881  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.
1882 1882  
1883 -
1884 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1885 -
1886 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1887 -
1888 1888  
1889 1889  )))
1890 1890  
... ... @@ -1899,8 +1899,10 @@
1899 1899  )))
1900 1900  
1901 1901  (((
1902 -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:
1903 1903  
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 +
1904 1904  
1905 1905  )))
1906 1906  
... ... @@ -1909,7 +1909,9 @@
1909 1909  )))
1910 1910  
1911 1911  (((
1912 -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/]]
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1921,7 +1921,9 @@
1921 1921  )))
1922 1922  
1923 1923  (((
1924 -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]]
1925 1925  )))
1926 1926  
1927 1927  (((
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