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Author

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1		-XWiki.pradeeka
	1	+XWiki.Edwin

Content

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19	19
20	20	= 1.Introduction =
21	21
22		-== 1.1 What is the LT-22222-L I/O Controller? ==
	22	+== 1.1 What is LT Series I/O Controller ==
23	23
24	24	(((
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	26	+
25	25	(((
26		-(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
	28	+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.
	29	+)))
	30	+)))
27	27
28		-The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
	32	+(((
	33	+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, building automation, and so on.
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	36	+(((
	37	+The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
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33		-With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
	41	+The use environment includes:
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35	35
36	36	(((
37		-(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
38		-The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
	45	+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.
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41	41	(((
42		-(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
43		-(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
	49	+2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44	44
45		-* (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
46		-* (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
47		-* (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Setup your own private LoRaWAN network.
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64	64	** 20dB Transmit: 34mA@12v
65	65	* Operating Temperature: -40 ~~ 85 Degree, No Dew
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	71	+
67	67	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
68	68
69	69	* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
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73	73	* 2 x 0~~30V Analog Input (res:0.01v)
74	74	* Power Input 7~~ 24V DC.
75	75
	81	+
76	76	(% style="color:#037691" %)**LoRa Spec:**
77	77
78	78	* Frequency Range:
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130	130	* 1 x Counting Port
131	131	)))
132	132
133		-= 2. Powering ON the Device =
	139	+= 2. Power ON Device =
134	134
135		-(% style="line-height:1.38" %)
136		-(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)The LT-22222-L controller can be powered by a 7–24V DC power source.
	141	+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.
137	137
138		-* (% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)Connect VIN to Power Input V+ and GND to Power Input V- to power the LT-22222-L controller.
139		-* (% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)Connect the positive wire of the power supply to the VIN screw terminal and the negative wire to the GND screw terminal.
	143	+PWR will on when device is properly powered.
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141		-(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)The power indicator (PWR) LED will turn on when the device is properly powered.
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143		-
144	144	[[image:1653297104069-180.png]]
145	145
146	146
147	147	= 3. Operation Mode =
148	148
149		-== 3.1 How does it work? ==
	150	+== 3.1 How it works? ==
150	150
151		-(((
152		-The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
153	153
154		-For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
	153	+(((
	154	+The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
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158		-In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
	158	+In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
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1571	1571	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1572	1572	|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1573	1573	|**PWR**|Always on if there is power
	1574	+|**SYS**|(((
	1575	+After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
	1576	+)))
1574	1574	|**TX**|(((
1575	1575	(((
1576	1576	Device boot: TX blinks 5 times.
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1585	1585	)))
1586	1586	)))
1587	1587	|**RX**|RX blinks once when receive a packet.
1588		-|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1589		-|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1590		-|**DI1**|(((
1591		-For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
	1591	+|**DO1**|
	1592	+|**DO2**|
	1593	+|**DO3**|
	1594	+|**DI2**|(((
	1595	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1592	1592	)))
1593	1593	|**DI2**|(((
1594		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1598	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
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1596		-|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1597		-|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
	1600	+|**DI2**|(((
	1601	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1602	+)))
	1603	+|**RO1**|
	1604	+|**RO2**|
1598	1598
1599	1599	= 4. Use AT Command =
1600	1600