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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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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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49	49	)))
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	53	+
51	51	== 1.2  Specifications ==
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53	53	(((
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163	163	* (((
164	164	Packet engine up to 256 bytes with CRC.
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	169	+
	170	+
166	166
167	167	)))
168	168
169		-
170		-
171	171	== 1.3 Features ==
172	172
173	173	* LoRaWAN Class A & Class C protocol
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178	178	* Firmware upgradable via program port
179	179	* Counting
180	180
181		-
182		-
183	183	== 1.4  Applications ==
184	184
185	185	* Smart Buildings & Home Automation
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189	189	* Smart Cities
190	190	* Smart Factory
191	191
192		-
193		-
194	194	== 1.5 Hardware Variants ==
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196	196	(% border="1" style="background-color:#f7faff; width:500px" %)
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204	204	* 1 x Counting Port
205	205	)))
206	206
207		-
208	208	= 2. Power ON Device =
209	209
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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285	285	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286	286	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287	287
288		-
289	289	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
290	290
291	291	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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339	339	** DO1 is high in case there is load between DO1 and V+.
340	340	** DO1 LED is off in both case
341	341
342		-
343	343	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
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480	480
481	481	(((
482	482	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
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484		-
485	485	)))
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	482	+
488	488	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
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766	766	)))
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768	768
769		-
770	770	== 3.4 ​Configure LT via AT or Downlink ==
771	771
772	772	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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2010	2010	)))
2011	2011
2012	2012	(((
2013		-
	2007	+== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2014	2014
	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	+
2015	2015	= 6. Trouble Shooting =
2016	2016	)))
2017	2017