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19	19	== 1.1 What is LT Series I/O Controller ==
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22	22	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.
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163	163	)))
164	164	* (((
165	165	Packet engine up to 256 bytes with CRC.
166		-)))
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	172	+)))
	173	+
170	170	== 1.3 Features ==
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172	172	* LoRaWAN Class A & Class C protocol
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	186	+
182	182	== 1.4  Applications ==
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184	184	* Smart Buildings & Home Automation
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	198	+
193	193	== 1.5 Hardware Variants ==
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195	195	(% border="1" style="background-color:#f7faff; width:500px" %)
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203	203	* 1 x Counting Port
204	204	)))
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206		-
207		-
208	208	= 2. Power ON Device =
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210	210	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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2006	2006	)))
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2009		-
	2013	+== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
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	2015	+If the device is not shut down, but directly powered off.
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	2017	+It will default that this is a power-off state.
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	2019	+In modes 2 to 5, DO RO status and pulse count are saved in flash.
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	2021	+After restart, the status before power failure will be read from flash.
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2011	2011	= 6. Trouble Shooting =
2012	2012	)))
2013	2013