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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  (((
25 -(((
26 -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.
25 +
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.
27 +(((
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 29  )))
30 30  )))
31 31  
32 32  (((
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.
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.
34 34  )))
35 35  
36 -> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
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.
38 +)))
37 37  
38 38  (((
39 -You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
41 +The use environment includes:
42 +)))
40 40  
41 -* 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.
42 -* 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.
43 -* Setup your own private LoRaWAN network.
44 +(((
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.
46 +)))
44 44  
45 -> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48 +(((
49 +2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
50 +
51 +
46 46  )))
47 47  
48 48  (((
... ... @@ -58,10 +58,11 @@
58 58  * STM32L072xxxx MCU
59 59  * SX1276/78 Wireless Chip 
60 60  * Power Consumption:
61 -** Idle: 4mA@12v
62 -** 20dB Transmit: 34mA@12v
63 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
64 64  
68 +* Idle: 4mA@12v
69 +* 20dB Transmit: [[34mA@12v>>mailto:34mA@12v]]
70 +
71 +
65 65  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
66 66  
67 67  * 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
... ... @@ -71,44 +71,101 @@
71 71  * 2 x 0~~30V Analog Input (res:0.01v)
72 72  * Power Input 7~~ 24V DC. 
73 73  
81 +
74 74  (% style="color:#037691" %)**LoRa Spec:**
75 75  
76 -* Frequency Range:
77 -** Band 1 (HF): 862 ~~ 1020 Mhz
78 -** Band 2 (LF): 410 ~~ 528 Mhz
79 -* 168 dB maximum link budget.
80 -* +20 dBm - 100 mW constant RF output vs.
81 -* +14 dBm high efficiency PA.
82 -* Programmable bit rate up to 300 kbps.
83 -* High sensitivity: down to -148 dBm.
84 -* Bullet-proof front end: IIP3 = -12.5 dBm.
85 -* Excellent blocking immunity.
86 -* Low RX current of 10.3 mA, 200 nA register retention.
87 -* Fully integrated synthesizer with a resolution of 61 Hz.
88 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 -* Built-in bit synchronizer for clock recovery.
90 -* Preamble detection.
91 -* 127 dB Dynamic Range RSSI.
92 -* Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC.
94 94  
85 +* (((
86 +(((
87 +Frequency Range:
88 +)))
89 +
90 +* (((
91 +Band 1 (HF): 862 ~~ 1020 Mhz
92 +)))
93 +* (((
94 +Band 2 (LF): 410 ~~ 528 Mhz
95 +)))
96 +)))
97 +* (((
98 +168 dB maximum link budget.
99 +)))
100 +* (((
101 ++20 dBm - 100 mW constant RF output vs.
102 +)))
103 +* (((
104 ++14 dBm high efficiency PA.
105 +)))
106 +* (((
107 +Programmable bit rate up to 300 kbps.
108 +)))
109 +* (((
110 +High sensitivity: down to -148 dBm.
111 +)))
112 +* (((
113 +Bullet-proof front end: IIP3 = -12.5 dBm.
114 +)))
115 +* (((
116 +Excellent blocking immunity.
117 +)))
118 +* (((
119 +Low RX current of 10.3 mA, 200 nA register retention.
120 +)))
121 +* (((
122 +Fully integrated synthesizer with a resolution of 61 Hz.
123 +)))
124 +* (((
125 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
126 +)))
127 +* (((
128 +Built-in bit synchronizer for clock recovery.
129 +)))
130 +* (((
131 +Preamble detection.
132 +)))
133 +* (((
134 +127 dB Dynamic Range RSSI.
135 +)))
136 +* (((
137 +Automatic RF Sense and CAD with ultra-fast AFC.
138 +)))
139 +* (((
140 +Packet engine up to 256 bytes with CRC.
141 +
142 +
143 +
144 +)))
145 +
95 95  == 1.3 Features ==
96 96  
148 +
97 97  * LoRaWAN Class A & Class C protocol
150 +
98 98  * Optional Customized LoRa Protocol
152 +
99 99  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
154 +
100 100  * AT Commands to change parameters
156 +
101 101  * Remote configure parameters via LoRa Downlink
158 +
102 102  * Firmware upgradable via program port
160 +
103 103  * Counting
104 104  
105 105  == 1.4 Applications ==
106 106  
165 +
107 107  * Smart Buildings & Home Automation
167 +
108 108  * Logistics and Supply Chain Management
169 +
109 109  * Smart Metering
171 +
110 110  * Smart Agriculture
173 +
111 111  * Smart Cities
175 +
112 112  * Smart Factory
113 113  
114 114  == 1.5 Hardware Variants ==
... ... @@ -128,75 +128,41 @@
128 128  * 1 x Counting Port
129 129  )))
130 130  
131 -= 2. Assembling the Device =
195 += 2. Power ON Device =
132 132  
133 -== 2.1 What is included in the package? ==
134 134  
135 -The package includes the following items:
198 +(((
199 +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.
200 +)))
136 136  
137 -* 1 x LT-22222-L I/O Controller
138 -* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 -* 1 x bracket for wall mounting
140 -* 1 x programming cable
202 +(((
203 +PWR will on when device is properly powered.
141 141  
142 -Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
205 +
206 +)))
143 143  
144 -== 2.2 Terminals ==
145 -
146 -Upper screw terminal block (from left to right):
147 -
148 -(% style="width:634px" %)
149 -|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 -|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 -|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 -|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 -|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 -|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 -|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
156 -
157 -Lower screw terminal block (from left to right):
158 -
159 -(% style="width:633px" %)
160 -|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 -|(% style="width:296px" %)RO1-2|(% style="width:334px" %)
162 -|(% style="width:296px" %)RO1-1|(% style="width:334px" %)
163 -|(% style="width:296px" %)RO2-2|(% style="width:334px" %)
164 -|(% style="width:296px" %)RO2-1|(% style="width:334px" %)
165 -|(% style="width:296px" %)DI2+|(% style="width:334px" %)
166 -|(% style="width:296px" %)DI2-|(% style="width:334px" %)
167 -|(% style="width:296px" %)DI1+|(% style="width:334px" %)
168 -|(% style="width:296px" %)DI1-|(% style="width:334px" %)
169 -|(% style="width:296px" %)DO2|(% style="width:334px" %)
170 -|(% style="width:296px" %)DO1|(% style="width:334px" %)
171 -
172 -== 2.3 Powering ==
173 -
174 -(% style="line-height:1.38" %)
175 -(% 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 LT-22222-L I/O Controller can be powered by a 7–24V DC power source.(%%) Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. (% 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 power indicator (PWR) LED will turn on when the device is properly powered.
176 -
177 -
178 178  [[image:1653297104069-180.png]]
179 179  
180 180  
181 181  = 3. Operation Mode =
182 182  
183 -== 3.1 How does it work? ==
213 +== 3.1 How it works? ==
184 184  
185 -(((
186 -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.
187 187  
188 -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. 
216 +(((
217 +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. 
189 189  )))
190 190  
191 191  (((
192 -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.
221 +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.
193 193  )))
194 194  
195 195  
196 -== 3.2 Joining the LoRaWAN network server ==
225 +== 3.2 Example to join LoRaWAN network ==
197 197  
227 +
198 198  (((
199 -The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
229 +This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
200 200  
201 201  
202 202  )))
... ... @@ -1604,6 +1604,9 @@
1604 1604  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1605 1605  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1606 1606  |**PWR**|Always on if there is power
1637 +|**SYS**|(((
1638 +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.
1639 +)))
1607 1607  |**TX**|(((
1608 1608  (((
1609 1609  Device boot: TX blinks 5 times.
... ... @@ -1618,16 +1618,20 @@
1618 1618  )))
1619 1619  )))
1620 1620  |**RX**|RX blinks once when receive a packet.
1621 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1622 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1623 -|**DI1**|(((
1624 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1654 +|**DO1**|
1655 +|**DO2**|
1656 +|**DO3**|
1657 +|**DI2**|(((
1658 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1625 1625  )))
1626 1626  |**DI2**|(((
1627 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1661 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1628 1628  )))
1629 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1630 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1663 +|**DI2**|(((
1664 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1665 +)))
1666 +|**RO1**|
1667 +|**RO2**|
1631 1631  
1632 1632  = 4. Use AT Command =
1633 1633  

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