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19	19	== 1.1 What is LT Series I/O Controller ==
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21	21	(((
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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.
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51	51	)))
52	52
53		-
54	54	== 1.2  Specifications ==
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56	56	(((
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167	167	Packet engine up to 256 bytes with CRC.
168	168	)))
169	169
	167	+
170	170	== 1.3 Features ==
171	171
172	172	* LoRaWAN Class A & Class C protocol
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177	177	* Firmware upgradable via program port
178	178	* Counting
179	179
	178	+
180	180	== 1.4  Applications ==
181	181
182	182	* Smart Buildings & Home Automation
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186	186	* Smart Cities
187	187	* Smart Factory
188	188
	188	+
189	189	== 1.5 Hardware Variants ==
190	190
191	191	(% border="1" style="background-color:#f7faff; width:500px" %)
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199	199	* 1 x Counting Port
200	200	)))
201	201
	202	+
202	202	= 2. Power ON Device =
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204	204	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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279	279	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
280	280	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
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	285	+
282	282	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
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284	284	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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332	332	** DO1 is high in case there is load between DO1 and V+.
333	333	** DO1 LED is off in both case
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	341	+
335	335	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
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472	472
473	473	(((
474	474	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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757	757	)))
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	769	+
760	760	== 3.4 ​Configure LT via AT or Downlink ==
761	761
762	762	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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2000	2000	)))
2001	2001
2002	2002	(((
2003		-== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
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2004	2004
2005		-If the device is not shut down, but directly powered off.
2006		-
2007		-It will default that this is a power-off state.
2008		-
2009		-In modes 2 to 5, DO RO status and pulse count are saved in flash.
2010		-
2011		-After restart, the status before power failure will be read from flash.
2012		-
2013	2013	= 6. Trouble Shooting =
2014	2014	)))
2015	2015