Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 137.2 >
edited by Dilisi S
on 2024/10/30 02:28
To version < 131.1 >
edited by Mengting Qiu
on 2024/03/04 14:47
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.pradeeka
1 +XWiki.ting
Content
... ... @@ -25,28 +25,30 @@
25 25  
26 26  
27 27  (((
28 -(% 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. The LT-22222-L simplifies and enhances I/O monitoring and controlling.
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 +)))
29 29  
30 -The Dragino LT-22222-L I/O Controller 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.
31 31  )))
35 +
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.
32 32  )))
33 33  
34 34  (((
35 -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:
36 36  )))
37 37  
38 38  (((
39 -(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
40 -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.
41 41  )))
42 42  
43 43  (((
44 -(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
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" %)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.
46 46  
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" %)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.
48 -* (% 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.
49 -* (% 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.
51 +
50 50  )))
51 51  
52 52  (((
... ... @@ -57,62 +57,153 @@
57 57  
58 58  == 1.2 Specifications ==
59 59  
62 +(((
63 +
64 +
60 60  (% style="color:#037691" %)**Hardware System:**
66 +)))
61 61  
62 -* STM32L072xxxx MCU
63 -* SX1276/78 Wireless Chip 
64 -* Power Consumption:
65 -** Idle: 4mA@12v
66 -** 20dB Transmit: 34mA@12v
67 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
68 +* (((
69 +STM32L072xxxx MCU
70 +)))
71 +* (((
72 +SX1276/78 Wireless Chip 
73 +)))
74 +* (((
75 +(((
76 +Power Consumption:
77 +)))
68 68  
79 +* (((
80 +Idle: 4mA@12v
81 +)))
82 +* (((
83 +20dB Transmit: 34mA@12v
84 +)))
85 +)))
86 +
87 +(((
88 +
89 +
69 69  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
91 +)))
70 70  
71 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
72 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
73 -* 2 x Relay Output (5A@250VAC / 30VDC)
74 -* 2 x 0~~20mA Analog Input (res:0.01mA)
75 -* 2 x 0~~30V Analog Input (res:0.01v)
76 -* Power Input 7~~ 24V DC. 
93 +* (((
94 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
95 +)))
96 +* (((
97 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
98 +)))
99 +* (((
100 +2 x Relay Output (5A@250VAC / 30VDC)
101 +)))
102 +* (((
103 +2 x 0~~20mA Analog Input (res:0.01mA)
104 +)))
105 +* (((
106 +2 x 0~~30V Analog Input (res:0.01v)
107 +)))
108 +* (((
109 +Power Input 7~~ 24V DC. 
110 +)))
77 77  
112 +(((
113 +
114 +
78 78  (% style="color:#037691" %)**LoRa Spec:**
116 +)))
79 79  
80 -* Frequency Range:
81 -** Band 1 (HF): 862 ~~ 1020 Mhz
82 -** Band 2 (LF): 410 ~~ 528 Mhz
83 -* 168 dB maximum link budget.
84 -* +20 dBm - 100 mW constant RF output vs.
85 -* +14 dBm high efficiency PA.
86 -* Programmable bit rate up to 300 kbps.
87 -* High sensitivity: down to -148 dBm.
88 -* Bullet-proof front end: IIP3 = -12.5 dBm.
89 -* Excellent blocking immunity.
90 -* Low RX current of 10.3 mA, 200 nA register retention.
91 -* Fully integrated synthesizer with a resolution of 61 Hz.
92 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
93 -* Built-in bit synchronizer for clock recovery.
94 -* Preamble detection.
95 -* 127 dB Dynamic Range RSSI.
96 -* Automatic RF Sense and CAD with ultra-fast AFC.
97 -* Packet engine up to 256 bytes with CRC.
118 +* (((
119 +(((
120 +Frequency Range:
121 +)))
98 98  
123 +* (((
124 +Band 1 (HF): 862 ~~ 1020 Mhz
125 +)))
126 +* (((
127 +Band 2 (LF): 410 ~~ 528 Mhz
128 +)))
129 +)))
130 +* (((
131 +168 dB maximum link budget.
132 +)))
133 +* (((
134 ++20 dBm - 100 mW constant RF output vs.
135 +)))
136 +* (((
137 ++14 dBm high efficiency PA.
138 +)))
139 +* (((
140 +Programmable bit rate up to 300 kbps.
141 +)))
142 +* (((
143 +High sensitivity: down to -148 dBm.
144 +)))
145 +* (((
146 +Bullet-proof front end: IIP3 = -12.5 dBm.
147 +)))
148 +* (((
149 +Excellent blocking immunity.
150 +)))
151 +* (((
152 +Low RX current of 10.3 mA, 200 nA register retention.
153 +)))
154 +* (((
155 +Fully integrated synthesizer with a resolution of 61 Hz.
156 +)))
157 +* (((
158 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
159 +)))
160 +* (((
161 +Built-in bit synchronizer for clock recovery.
162 +)))
163 +* (((
164 +Preamble detection.
165 +)))
166 +* (((
167 +127 dB Dynamic Range RSSI.
168 +)))
169 +* (((
170 +Automatic RF Sense and CAD with ultra-fast AFC.
171 +)))
172 +* (((
173 +Packet engine up to 256 bytes with CRC.
174 +
175 +
176 +
177 +)))
178 +
99 99  == 1.3 Features ==
100 100  
181 +
101 101  * LoRaWAN Class A & Class C protocol
183 +
102 102  * Optional Customized LoRa Protocol
185 +
103 103  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
187 +
104 104  * AT Commands to change parameters
189 +
105 105  * Remote configure parameters via LoRa Downlink
191 +
106 106  * Firmware upgradable via program port
193 +
107 107  * Counting
108 108  
109 109  == 1.4 Applications ==
110 110  
198 +
111 111  * Smart Buildings & Home Automation
200 +
112 112  * Logistics and Supply Chain Management
202 +
113 113  * Smart Metering
204 +
114 114  * Smart Agriculture
206 +
115 115  * Smart Cities
208 +
116 116  * Smart Factory
117 117  
118 118  == 1.5 Hardware Variants ==
... ... @@ -134,10 +134,17 @@
134 134  
135 135  = 2. Power ON Device =
136 136  
230 +
231 +(((
137 137  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.
233 +)))
138 138  
235 +(((
139 139  PWR will on when device is properly powered.
140 140  
238 +
239 +)))
240 +
141 141  [[image:1653297104069-180.png]]
142 142  
143 143  
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1063 1063  
1064 1064  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1065 1065  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1066 -|03  00  11|Open|No Action
1067 -|03  01  11|Close|No Action
1068 -|03  11  00|No Action|Open
1069 -|03  11  01|No Action|Close
1070 -|03  00  00|Open|Open
1071 -|03  01  01|Close|Close
1072 -|03  01  00|Close|Open
1073 -|03  00  01|Open|Close
1166 +|03  00  11|Close|No Action
1167 +|03  01  11|Open|No Action
1168 +|03  11  00|No Action|Close
1169 +|03  11  01|No Action|Open
1170 +|03  00  00|Close|Close
1171 +|03  01  01|Open|Open
1172 +|03  01  00|Open|Close
1173 +|03  00  01|Close|Open
1074 1074  )))
1075 1075  
1076 1076  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1564,9 +1564,12 @@
1564 1564  == 3.7 LEDs Indicators ==
1565 1565  
1566 1566  
1567 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1568 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1667 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1668 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:470px" %)**Feature**
1569 1569  |**PWR**|Always on if there is power
1670 +|**SYS**|(((
1671 +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.
1672 +)))
1570 1570  |**TX**|(((
1571 1571  (((
1572 1572  Device boot: TX blinks 5 times.
... ... @@ -1581,16 +1581,20 @@
1581 1581  )))
1582 1582  )))
1583 1583  |**RX**|RX blinks once when receive a packet.
1584 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1585 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1586 -|**DI1**|(((
1587 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1687 +|**DO1**|
1688 +|**DO2**|
1689 +|**DO3**|
1690 +|**DI2**|(((
1691 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1588 1588  )))
1589 1589  |**DI2**|(((
1590 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1694 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1591 1591  )))
1592 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1593 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1696 +|**DI2**|(((
1697 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1698 +)))
1699 +|**RO1**|
1700 +|**RO2**|
1594 1594  
1595 1595  = 4. Use AT Command =
1596 1596  
... ... @@ -1601,6 +1601,10 @@
1601 1601  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1602 1602  )))
1603 1603  
1711 +(((
1712 +
1713 +)))
1714 +
1604 1604  [[image:1653358238933-385.png]]
1605 1605  
1606 1606  

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