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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  (((
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167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 -
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
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178 178  * Smart Cities
179 179  * Smart Factory
180 180  
181 -
182 -
183 183  == 1.5 Hardware Variants ==
184 184  
185 185  (% border="1" style="background-color:#f7faff; width:500px" %)
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1282 1282  [[image:1653357170703-587.png]]
1283 1283  
1284 1284  (((
1285 -(((
1286 1286  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1287 1287  )))
1288 -)))
1289 1289  
1290 -(((
1291 -
1292 -)))
1293 1293  
1294 -(((
1295 1295  **Example1**: Connect to a Low active sensor.
1296 -)))
1297 1297  
1298 -(((
1299 1299  This type of sensor will output a low signal GND when active.
1300 -)))
1301 1301  
1302 -* (((
1303 -Connect sensor’s output to DI1-
1304 -)))
1305 -* (((
1306 -Connect sensor’s VCC to DI1+.
1307 -)))
1289 +* Connect sensor’s output to DI1-
1290 +* Connect sensor’s VCC to DI1+.
1308 1308  
1309 -(((
1310 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1311 -)))
1292 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1312 1312  
1313 -(((
1314 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1315 -)))
1294 +[[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.**
1316 1316  
1317 -(((
1318 -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.
1319 -)))
1296 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1320 1320  
1321 -(((
1322 -
1323 -)))
1324 1324  
1325 -(((
1326 1326  **Example2**: Connect to a High active sensor.
1327 -)))
1328 1328  
1329 -(((
1330 1330  This type of sensor will output a high signal (example 24v) when active.
1331 -)))
1332 1332  
1333 -* (((
1334 -Connect sensor’s output to DI1+
1335 -)))
1336 -* (((
1337 -Connect sensor’s GND DI1-.
1338 -)))
1303 +* Connect sensor’s output to DI1+
1304 +* Connect sensor’s GND DI1-.
1339 1339  
1340 -(((
1341 1341  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1342 -)))
1343 1343  
1344 -(((
1345 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1346 -)))
1308 +[[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.**
1347 1347  
1348 -(((
1349 -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.
1350 -)))
1310 +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.
1351 1351  
1352 -(((
1353 -
1354 -)))
1355 1355  
1356 -(((
1357 1357  **Example3**: Connect to a 220v high active sensor.
1358 -)))
1359 1359  
1360 -(((
1361 1361  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1362 -)))
1363 1363  
1364 -* (((
1365 -Connect sensor’s output to DI1+ with a serial 50K resistor
1366 -)))
1367 -* (((
1368 -Connect sensor’s GND DI1-.
1369 -)))
1317 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1318 +* Connect sensor’s GND DI1-.
1370 1370  
1371 -(((
1372 1372  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1373 -)))
1374 1374  
1375 -(((
1376 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1377 -)))
1322 + [[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.**
1378 1378  
1379 -(((
1380 -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.
1381 -)))
1324 +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.
1382 1382  
1383 1383  
1384 1384  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
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