Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.4 >
edited by Xiaoling
on 2022/05/31 11:37
To version < 68.19 >
edited by Xiaoling
on 2022/05/25 15:28
>
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... ... @@ -167,6 +167,7 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 +
170 170  == 1.4  Applications ==
171 171  
172 172  * Smart Buildings & Home Automation
... ... @@ -176,6 +176,7 @@
176 176  * Smart Cities
177 177  * Smart Factory
178 178  
180 +
179 179  == 1.5 Hardware Variants ==
180 180  
181 181  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -189,6 +189,8 @@
189 189  * 1 x Counting Port
190 190  )))
191 191  
194 +
195 +
192 192  = 2. Power ON Device =
193 193  
194 194  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.
... ... @@ -266,6 +266,7 @@
266 266  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
267 267  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
268 268  
273 +
269 269  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
270 270  
271 271  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -301,6 +301,7 @@
301 301  * [1] RO1 relay channel is close and the RO1 LED is ON.
302 302  * [0] RO2 relay channel is open and RO2 LED is OFF;
303 303  
309 +
304 304  **LT22222-L:**
305 305  
306 306  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -316,6 +316,7 @@
316 316  ** DO1 is high in case there is load between DO1 and V+.
317 317  ** DO1 LED is off in both case
318 318  
325 +
319 319  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
320 320  
321 321  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -719,6 +719,7 @@
719 719  
720 720  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
721 721  
729 +
722 722  === 3.4.1 Common Commands ===
723 723  
724 724  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]]
... ... @@ -1278,103 +1278,50 @@
1278 1278  [[image:1653357170703-587.png]]
1279 1279  
1280 1280  (((
1281 -(((
1282 1282  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1283 1283  )))
1284 -)))
1285 1285  
1286 -(((
1287 -
1288 -)))
1289 1289  
1290 -(((
1291 1291  **Example1**: Connect to a Low active sensor.
1292 -)))
1293 1293  
1294 -(((
1295 1295  This type of sensor will output a low signal GND when active.
1296 -)))
1297 1297  
1298 -* (((
1299 -Connect sensor’s output to DI1-
1300 -)))
1301 -* (((
1302 -Connect sensor’s VCC to DI1+.
1303 -)))
1297 +* Connect sensor’s output to DI1-
1298 +* Connect sensor’s VCC to DI1+.
1304 1304  
1305 -(((
1306 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1307 -)))
1300 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1308 1308  
1309 -(((
1310 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1311 -)))
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.**
1312 1312  
1313 -(((
1314 -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.
1315 -)))
1304 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1316 1316  
1317 -(((
1318 -
1319 -)))
1320 1320  
1321 -(((
1322 1322  **Example2**: Connect to a High active sensor.
1323 -)))
1324 1324  
1325 -(((
1326 1326  This type of sensor will output a high signal (example 24v) when active.
1327 -)))
1328 1328  
1329 -* (((
1330 -Connect sensor’s output to DI1+
1331 -)))
1332 -* (((
1333 -Connect sensor’s GND DI1-.
1334 -)))
1311 +* Connect sensor’s output to DI1+
1312 +* Connect sensor’s GND DI1-.
1335 1335  
1336 -(((
1337 1337  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1338 -)))
1339 1339  
1340 -(((
1341 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1342 -)))
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.**
1343 1343  
1344 -(((
1345 -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.
1346 -)))
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.
1347 1347  
1348 -(((
1349 -
1350 -)))
1351 1351  
1352 -(((
1353 1353  **Example3**: Connect to a 220v high active sensor.
1354 -)))
1355 1355  
1356 -(((
1357 1357  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1358 -)))
1359 1359  
1360 -* (((
1361 -Connect sensor’s output to DI1+ with a serial 50K resistor
1362 -)))
1363 -* (((
1364 -Connect sensor’s GND DI1-.
1365 -)))
1325 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1326 +* Connect sensor’s GND DI1-.
1366 1366  
1367 -(((
1368 1368  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1369 -)))
1370 1370  
1371 -(((
1372 - [[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.**
1373 -)))
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.**
1374 1374  
1375 -(((
1376 1376  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.
1377 -)))
1378 1378  
1379 1379  
1380 1380  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
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1869 1869  )))
1870 1870  
1871 1871  (((
1872 -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:
1873 1873  
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 +
1874 1874  
1875 1875  )))
1876 1876  
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1879 1879  )))
1880 1880  
1881 1881  (((
1882 -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/]]
1883 1883  )))
1884 1884  
1885 1885  (((
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1891 1891  )))
1892 1892  
1893 1893  (((
1894 -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]]
1895 1895  )))
1896 1896  
1897 1897  (((
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