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...	...	@@ -189,7 +189,6 @@
189	189	* 1 x Counting Port
190	190	)))
191	191
192		-
193	193	= 2. Power ON Device =
194	194
195	195	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.
...	...	@@ -1279,50 +1279,103 @@
1279	1279	[[image:1653357170703-587.png]]
1280	1280
1281	1281	(((
	1281	+(((
1282	1282	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1283	1283	)))
	1284	+)))
1284	1284
	1286	+(((
	1287	+
	1288	+)))
1285	1285
	1290	+(((
1286	1286	**Example1**: Connect to a Low active sensor.
	1292	+)))
1287	1287
	1294	+(((
1288	1288	This type of sensor will output a low signal GND when active.
	1296	+)))
1289	1289
1290		-* Connect sensor’s output to DI1-
1291		-* Connect sensor’s VCC to DI1+.
	1298	+* (((
	1299	+Connect sensor’s output to DI1-
	1300	+)))
	1301	+* (((
	1302	+Connect sensor’s VCC to DI1+.
	1303	+)))
1292	1292
	1305	+(((
1293	1293	So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
	1307	+)))
1294	1294
1295		-[[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+ / 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	+)))
1296	1296
	1313	+(((
1297	1297	If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
	1315	+)))
1298	1298
	1317	+(((
	1318	+
	1319	+)))
1299	1299
	1321	+(((
1300	1300	**Example2**: Connect to a High active sensor.
	1323	+)))
1301	1301
	1325	+(((
1302	1302	This type of sensor will output a high signal (example 24v) when active.
	1327	+)))
1303	1303
1304		-* Connect sensor’s output to DI1+
1305		-* Connect sensor’s GND DI1-.
	1329	+* (((
	1330	+Connect sensor’s output to DI1+
	1331	+)))
	1332	+* (((
	1333	+Connect sensor’s GND DI1-.
	1334	+)))
1306	1306
	1336	+(((
1307	1307	So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1338	+)))
1308	1308
1309		-[[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+ / 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	+)))
1310	1310
1311		-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:/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	+)))
1312	1312
	1348	+(((
	1349	+
	1350	+)))
1313	1313
	1352	+(((
1314	1314	**Example3**: Connect to a 220v high active sensor.
	1354	+)))
1315	1315
	1356	+(((
1316	1316	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1358	+)))
1317	1317
1318		-* Connect sensor’s output to DI1+ with a serial 50K resistor
1319		-* 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	+)))
1320	1320
	1367	+(((
1321	1321	So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1369	+)))
1322	1322
1323		- [[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.**
	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	+)))
1324	1324
	1375	+(((
1325	1325	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	+)))
1326	1326
1327	1327
1328	1328	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
...	...	@@ -1817,10 +1817,8 @@
1817	1817	)))
1818	1818
1819	1819	(((
1820		-Please see this link for how to debug: [[LoRaWAN Communication Debug>>LoRaWAN Communication Debug||anchor="H5.1Howitwork"]]
	1872	+Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1821	1821
1822		-[[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]]
1823		-
1824	1824
1825	1825	)))
1826	1826
...	...	@@ -1829,9 +1829,7 @@
1829	1829	)))
1830	1830
1831	1831	(((
1832		-See this link for trouble shooting:
1833		-
1834		-[[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]]
1835	1835	)))
1836	1836
1837	1837	(((
...	...	@@ -1843,9 +1843,7 @@
1843	1843	)))
1844	1844
1845	1845	(((
1846		-It might be about the channels mapping. Please see this link for detail:
1847		-
1848		-[[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"]]
1849	1849	)))
1850	1850
1851	1851	(((