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16	16	== 1.1 What is LT Series I/O Controller ==
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18	18	(((
19		-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.
	19	+The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
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24	24	)))
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27		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
	27	+The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
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167	167	* Firmware upgradable via program port
168	168	* Counting
169	169
170		-
171		-
172	172	== 1.4  Applications ==
173	173
174	174	* Smart Buildings & Home Automation
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178	178	* Smart Cities
179	179	* Smart Factory
180	180
181		-
182		-
183	183	== 1.5 Hardware Variants ==
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185	185	(% border="1" style="background-color:#f7faff; width:500px" %)
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193	193	* 1 x Counting Port
194	194	)))
195	195
196		-
197		-
198	198	= 2. Power ON Device =
199	199
200	200	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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272	272	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273	273	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274	274
275		-
276		-
277	277	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
278	278
279	279	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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324	324	** DO1 is high in case there is load between DO1 and V+.
325	325	** DO1 LED is off in both case
326	326
327		-
328		-
329	329	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
330	330
331	331	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
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614	614
615	615	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
616	616
617		-
618	618	(% style="color:#4f81bd" %)**Trigger base on current**:
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620	620	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
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624	624	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
625	625
626		-
627	627	(% style="color:#4f81bd" %)**Trigger base on DI status**:
628	628
629	629	DI status trigger Flag.