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19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22		-
23		-
24	24	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.
25	25	)))
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165	165	)))
166	166	* (((
167	167	Packet engine up to 256 bytes with CRC.
	166	+)))
168	168
169	169
170	170
171		-
172		-)))
173		-
174	174	== 1.3 Features ==
175	175
176	176	* LoRaWAN Class A & Class C protocol
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181	181	* Firmware upgradable via program port
182	182	* Counting
183	183
	180	+
	181	+
184	184	== 1.4  Applications ==
185	185
186	186	* Smart Buildings & Home Automation
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190	190	* Smart Cities
191	191	* Smart Factory
192	192
	191	+
	192	+
193	193	== 1.5 Hardware Variants ==
194	194
195	195	(% border="1" style="background-color:#f7faff; width:500px" %)
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203	203	* 1 x Counting Port
204	204	)))
205	205
	206	+
	207	+
206	206	= 2. Power ON Device =
207	207
208	208	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.
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2004	2004	)))
2005	2005
2006	2006	(((
2007		-== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2009	+
2008	2008
2009		-If the device is not shut down, but directly powered off.
2010		-
2011		-It will default that this is a power-off state.
2012		-
2013		-In modes 2 to 5, DO RO status and pulse count are saved in flash.
2014		-
2015		-After restart, the status before power failure will be read from flash.
2016		-
2017	2017	= 6. Trouble Shooting =
2018	2018	)))
2019	2019