Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 68.19 >
edited by Xiaoling
on 2022/05/25 15:28
To version < 71.3 >
edited by Xiaoling
on 2022/05/31 11:31
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -167,7 +167,6 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 -
171 171  == 1.4  Applications ==
172 172  
173 173  * Smart Buildings & Home Automation
... ... @@ -177,7 +177,6 @@
177 177  * Smart Cities
178 178  * Smart Factory
179 179  
180 -
181 181  == 1.5 Hardware Variants ==
182 182  
183 183  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -191,8 +191,6 @@
191 191  * 1 x Counting Port
192 192  )))
193 193  
194 -
195 -
196 196  = 2. Power ON Device =
197 197  
198 198  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.
... ... @@ -270,7 +270,6 @@
270 270  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
271 271  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
272 272  
273 -
274 274  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
275 275  
276 276  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -306,7 +306,6 @@
306 306  * [1] RO1 relay channel is close and the RO1 LED is ON.
307 307  * [0] RO2 relay channel is open and RO2 LED is OFF;
308 308  
309 -
310 310  **LT22222-L:**
311 311  
312 312  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -322,7 +322,6 @@
322 322  ** DO1 is high in case there is load between DO1 and V+.
323 323  ** DO1 LED is off in both case
324 324  
325 -
326 326  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
327 327  
328 328  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -726,7 +726,6 @@
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 -
730 730  === 3.4.1 Common Commands ===
731 731  
732 732  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]]
... ... @@ -1286,50 +1286,103 @@
1286 1286  [[image:1653357170703-587.png]]
1287 1287  
1288 1288  (((
1281 +(((
1289 1289  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1290 1290  )))
1284 +)))
1291 1291  
1286 +(((
1287 +
1288 +)))
1292 1292  
1290 +(((
1293 1293  **Example1**: Connect to a Low active sensor.
1292 +)))
1294 1294  
1294 +(((
1295 1295  This type of sensor will output a low signal GND when active.
1296 +)))
1296 1296  
1297 -* Connect sensor’s output to DI1-
1298 -* Connect sensor’s VCC to DI1+.
1298 +* (((
1299 +Connect sensor’s output to DI1-
1300 +)))
1301 +* (((
1302 +Connect sensor’s VCC to DI1+.
1303 +)))
1299 1299  
1305 +(((
1300 1300  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1307 +)))
1301 1301  
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.**
1309 +(((
1310 +[[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" height="16" width="18"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1311 +)))
1303 1303  
1313 +(((
1304 1304  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1315 +)))
1305 1305  
1317 +(((
1318 +
1319 +)))
1306 1306  
1321 +(((
1307 1307  **Example2**: Connect to a High active sensor.
1323 +)))
1308 1308  
1325 +(((
1309 1309  This type of sensor will output a high signal (example 24v) when active.
1327 +)))
1310 1310  
1311 -* Connect sensor’s output to DI1+
1312 -* Connect sensor’s GND DI1-.
1329 +* (((
1330 +Connect sensor’s output to DI1+
1331 +)))
1332 +* (((
1333 +Connect sensor’s GND DI1-.
1334 +)))
1313 1313  
1336 +(((
1314 1314  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1338 +)))
1315 1315  
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.**
1340 +(((
1341 +[[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.**
1342 +)))
1317 1317  
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.
1344 +(((
1345 +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.
1346 +)))
1319 1319  
1348 +(((
1349 +
1350 +)))
1320 1320  
1352 +(((
1321 1321  **Example3**: Connect to a 220v high active sensor.
1354 +)))
1322 1322  
1356 +(((
1323 1323  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1358 +)))
1324 1324  
1325 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1326 -* Connect sensor’s GND DI1-.
1360 +* (((
1361 +Connect sensor’s output to DI1+ with a serial 50K resistor
1362 +)))
1363 +* (((
1364 +Connect sensor’s GND DI1-.
1365 +)))
1327 1327  
1367 +(((
1328 1328  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1369 +)))
1329 1329  
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.**
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:image-20220524095628-8.png]]= DI1+ / 51K.**
1373 +)))
1331 1331  
1375 +(((
1332 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.
1377 +)))
1333 1333  
1334 1334  
1335 1335  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
... ... @@ -1824,10 +1824,8 @@
1824 1824  )))
1825 1825  
1826 1826  (((
1827 -Please see this link for how to debug:
1872 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1828 1828  
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 -
1831 1831  
1832 1832  )))
1833 1833  
... ... @@ -1836,9 +1836,7 @@
1836 1836  )))
1837 1837  
1838 1838  (((
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/]]
1882 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1842 1842  )))
1843 1843  
1844 1844  (((
... ... @@ -1850,9 +1850,7 @@
1850 1850  )))
1851 1851  
1852 1852  (((
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]]
1894 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1856 1856  )))
1857 1857  
1858 1858  (((

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