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1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
5 +1. Introduction
6 +11. What is LT Series I/O Controller
6 6  
7 7  
8 -
9 -= 1.Introduction =
10 -
11 -== 1.1 What is LT Series I/O Controller ==
12 -
13 -(((
14 14  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.
15 -)))
16 16  
17 -(((
11 +
18 18  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
19 -)))
20 20  
21 -(((
14 +
22 22  The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
23 -)))
24 24  
25 -(((
26 26  The use environment includes:
27 -)))
28 28  
29 -(((
30 30  1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
31 -)))
32 32  
33 -(((
34 34  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
35 -)))
36 36  
37 -(((
38 -[[image:1653295757274-912.png]]
39 -)))
40 40  
41 -== 1.2  Specifications ==
24 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
42 42  
26 +
27 +
28 +
29 +1.
30 +11. Specifications
31 +
43 43  **Hardware System:**
44 44  
45 45  * STM32L072CZT6 MCU
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46 46  * SX1276/78 Wireless Chip
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
38 +
39 +*
49 49  ** 20dB Transmit: 34mA@12v
50 50  
42 +
43 +**Interface for Model: LT33222-L:**
44 +
45 +* 3 x Digital Input ( Detect Low signal , Max, 6V)
46 +* 3 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
47 +* 2 x Relay Output (5A@250VAC / 30VDC)
48 +* 2 x 0~~20mA Analog Input (res:0.01mA)
49 +* 2 x 0~~30V Analog Input (res:0.01v)
50 +* Power Input 7~~ 24V DC.
51 +*
52 +
51 51  **Interface for Model: LT22222-L:**
52 52  
53 53  * 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
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57 57  * 2 x 0~~30V Analog Input (res:0.01v)
58 58  * Power Input 7~~ 24V DC.
59 59  
62 +
60 60  **LoRa Spec:**
61 61  
62 62  * Frequency Range:
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78 78  * Automatic RF Sense and CAD with ultra-fast AFC.
79 79  * Packet engine up to 256 bytes with CRC.
80 80  
81 -== 1.3 Features ==
82 82  
85 +*
86 +*1. Features
83 83  * LoRaWAN Class A & Class C protocol
84 84  * Optional Customized LoRa Protocol
85 85  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
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88 88  * Firmware upgradable via program port
89 89  * Counting
90 90  
91 -== 1.4  Applications ==
92 92  
96 +
97 +*
98 +*1. Applications
93 93  * Smart Buildings & Home Automation
94 94  * Logistics and Supply Chain Management
95 95  * Smart Metering
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97 97  * Smart Cities
98 98  * Smart Factory
99 99  
100 -== 1.5 Hardware Variants ==
101 101  
102 -(% border="1" style="background-color:#f7faff; width:540px" %)
103 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
107 +
108 +
109 +1.
110 +11. Hardware Variants
111 +
112 +
113 +|**Model**|**Photo**|**Description**
114 +|**LT33222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]]|(((
115 +* 3 x Digital Input
116 +* 3 x Digital Output
117 +* 2 x Relay Output (5A@250VAC / 30VDC)
118 +* 2 x 0~~20mA Analog Input (res:0.01mA)
119 +* 2 x 0~~30V Analog Input (res:0.01v)
120 +* 1 x Counting Port
121 +)))
122 +
123 +
124 +|**Model**|**Photo**|**Description**
125 +|**LT22222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.jpg]]|(((
105 105  * 2 x Digital Input (Bi-direction)
106 106  * 2 x Digital Output
107 107  * 2 x Relay Output (5A@250VAC / 30VDC)
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110 110  * 1 x Counting Port
111 111  )))
112 112  
113 -2.
114 114  
135 +
136 +1.
137 +11. Firmware Change log
138 +
139 +[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
140 +
141 +http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
142 +
143 +
144 +**Change log:**
145 +
146 +[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog]]
147 +
148 +
149 +
150 +1. Power ON Device
151 +
152 +
115 115  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.
116 116  
117 117  PWR will on when device is properly powered.
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