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 < 128.6 >
edited by Xiaoling
on 2023/11/17 08:50
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
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1 -XWiki.pradeeka
1 +XWiki.Xiaoling
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -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.
24 +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.
25 +)))
26 +)))
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.
28 +(((
29 +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  )))
31 +
32 +(((
33 +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.
37 +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.
41 +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:
45 +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.
47 +
50 50  )))
51 51  
52 52  (((
... ... @@ -57,69 +57,164 @@
57 57  
58 58  == 1.2 Specifications ==
59 59  
58 +(((
59 +
60 +
60 60  (% style="color:#037691" %)**Hardware System:**
62 +)))
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
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
68 68  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
82 +
83 +(((
84 +
85 +
69 69  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
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. 
89 +* (((
90 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 +)))
92 +* (((
93 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 +)))
95 +* (((
96 +2 x Relay Output (5A@250VAC / 30VDC)
97 +)))
98 +* (((
99 +2 x 0~~20mA Analog Input (res:0.01mA)
100 +)))
101 +* (((
102 +2 x 0~~30V Analog Input (res:0.01v)
103 +)))
104 +* (((
105 +Power Input 7~~ 24V DC. 
106 +)))
77 77  
108 +(((
109 +
110 +
78 78  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
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.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
98 98  
119 +* (((
120 +Band 1 (HF): 862 ~~ 1020 Mhz
121 +)))
122 +* (((
123 +Band 2 (LF): 410 ~~ 528 Mhz
124 +)))
125 +)))
126 +* (((
127 +168 dB maximum link budget.
128 +)))
129 +* (((
130 ++20 dBm - 100 mW constant RF output vs.
131 +)))
132 +* (((
133 ++14 dBm high efficiency PA.
134 +)))
135 +* (((
136 +Programmable bit rate up to 300 kbps.
137 +)))
138 +* (((
139 +High sensitivity: down to -148 dBm.
140 +)))
141 +* (((
142 +Bullet-proof front end: IIP3 = -12.5 dBm.
143 +)))
144 +* (((
145 +Excellent blocking immunity.
146 +)))
147 +* (((
148 +Low RX current of 10.3 mA, 200 nA register retention.
149 +)))
150 +* (((
151 +Fully integrated synthesizer with a resolution of 61 Hz.
152 +)))
153 +* (((
154 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 +)))
156 +* (((
157 +Built-in bit synchronizer for clock recovery.
158 +)))
159 +* (((
160 +Preamble detection.
161 +)))
162 +* (((
163 +127 dB Dynamic Range RSSI.
164 +)))
165 +* (((
166 +Automatic RF Sense and CAD with ultra-fast AFC.
167 +)))
168 +* (((
169 +Packet engine up to 256 bytes with CRC.
170 +
171 +
172 +
173 +)))
174 +
99 99  == 1.3 Features ==
100 100  
177 +
101 101  * LoRaWAN Class A & Class C protocol
179 +
102 102  * Optional Customized LoRa Protocol
181 +
103 103  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
104 104  * AT Commands to change parameters
185 +
105 105  * Remote configure parameters via LoRa Downlink
187 +
106 106  * Firmware upgradable via program port
189 +
107 107  * Counting
108 108  
192 +
193 +
109 109  == 1.4 Applications ==
110 110  
196 +
111 111  * Smart Buildings & Home Automation
198 +
112 112  * Logistics and Supply Chain Management
200 +
113 113  * Smart Metering
202 +
114 114  * Smart Agriculture
204 +
115 115  * Smart Cities
206 +
116 116  * Smart Factory
117 117  
209 +
210 +
118 118  == 1.5 Hardware Variants ==
119 119  
120 120  
121 121  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
122 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
215 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
123 123  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
124 124  (% style="text-align:center" %)
125 125  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -132,12 +132,21 @@
132 132  * 1 x Counting Port
133 133  )))
134 134  
228 +
229 +
135 135  = 2. Power ON Device =
136 136  
232 +
233 +(((
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.
235 +)))
138 138  
237 +(((
139 139  PWR will on when device is properly powered.
140 140  
240 +
241 +)))
242 +
141 141  [[image:1653297104069-180.png]]
142 142  
143 143  
... ... @@ -222,6 +222,8 @@
222 222  
223 223  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
224 224  
327 +
328 +
225 225  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
226 226  
227 227  
... ... @@ -229,7 +229,7 @@
229 229  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
230 230  
231 231  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
232 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
336 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
233 233  |Value|(((
234 234  AVI1 voltage
235 235  )))|(((
... ... @@ -290,6 +290,8 @@
290 290  ** DO1 is high in case there is load between DO1 and V+.
291 291  ** DO1 LED is off in both case
292 292  
397 +
398 +
293 293  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
294 294  
295 295  
... ... @@ -301,7 +301,7 @@
301 301  Total : 11 bytes payload
302 302  
303 303  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
304 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
410 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
305 305  |Value|COUNT1|COUNT2 |DIDORO*|(((
306 306  Reserve
307 307  )))|MOD
... ... @@ -368,7 +368,7 @@
368 368  **LT22222-L**: This mode the DI1 is used as a counting pin.
369 369  
370 370  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
371 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
477 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
372 372  |Value|COUNT1|(((
373 373  ACI1 Current
374 374  )))|(((
... ... @@ -421,7 +421,7 @@
421 421  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
422 422  
423 423  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
424 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
530 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
425 425  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
426 426  Reserve
427 427  )))|MOD
... ... @@ -481,7 +481,7 @@
481 481  **LT22222-L**: This mode the DI1 is used as a counting pin.
482 482  
483 483  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
484 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
590 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
485 485  |Value|(((
486 486  AVI1 voltage
487 487  )))|(((
... ... @@ -617,7 +617,7 @@
617 617  MOD6 Payload : total 11 bytes payload
618 618  
619 619  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
620 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
726 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
621 621  |Value|(((
622 622  TRI_A FLAG
623 623  )))|(((
... ... @@ -736,6 +736,8 @@
736 736  
737 737  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
738 738  
845 +
846 +
739 739  === 3.4.1 Common Commands ===
740 740  
741 741  
... ... @@ -945,7 +945,7 @@
945 945  01: Low,  00: High ,  11: No action
946 946  
947 947  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
948 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1056 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
949 949  |02  01  00  11|Low|High|No Action
950 950  |02  00  11  01|High|No Action|Low
951 951  |02  11  01  00|No Action|Low|High
... ... @@ -988,7 +988,7 @@
988 988  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
989 989  
990 990  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
991 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1099 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
992 992  |0x01|DO1 set to low
993 993  |0x00|DO1 set to high
994 994  |0x11|DO1 NO Action
... ... @@ -996,7 +996,7 @@
996 996  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
997 997  
998 998  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
999 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1107 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1000 1000  |0x01|DO2 set to low
1001 1001  |0x00|DO2 set to high
1002 1002  |0x11|DO2 NO Action
... ... @@ -1004,7 +1004,7 @@
1004 1004  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1005 1005  
1006 1006  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1007 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1115 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1008 1008  |0x01|DO3 set to low
1009 1009  |0x00|DO3 set to high
1010 1010  |0x11|DO3 NO Action
... ... @@ -1059,10 +1059,10 @@
1059 1059  )))
1060 1060  
1061 1061  (((
1062 -00: Close ,  01: Open , 11: No action
1170 +01: Close ,  00: Open , 11: No action
1063 1063  
1064 1064  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1065 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1173 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1066 1066  |03  00  11|Open|No Action
1067 1067  |03  01  11|Close|No Action
1068 1068  |03  11  00|No Action|Open
... ... @@ -1485,11 +1485,7 @@
1485 1485  
1486 1486  [[image:image-20230616235145-1.png]]
1487 1487  
1488 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1489 1489  
1490 -[[image:image-20240219115718-1.png]]
1491 -
1492 -
1493 1493  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1494 1494  
1495 1495  
... ... @@ -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**
1671 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1672 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1569 1569  |**PWR**|Always on if there is power
1674 +|**SYS**|(((
1675 +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.
1676 +)))
1570 1570  |**TX**|(((
1571 1571  (((
1572 1572  Device boot: TX blinks 5 times.
... ... @@ -1581,17 +1581,23 @@
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
1691 +|**DO1**|
1692 +|**DO2**|
1693 +|**DO3**|
1694 +|**DI2**|(((
1695 +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
1698 +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
1700 +|**DI2**|(((
1701 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1702 +)))
1703 +|**RO1**|
1704 +|**RO2**|
1594 1594  
1706 +
1707 +
1595 1595  = 4. Use AT Command =
1596 1596  
1597 1597  == 4.1 Access AT Command ==
... ... @@ -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  
1717 +(((
1718 +
1719 +)))
1720 +
1604 1604  [[image:1653358238933-385.png]]
1605 1605  
1606 1606  
... ... @@ -2195,6 +2195,8 @@
2195 2195  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2196 2196  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2197 2197  
2315 +
2316 +
2198 2198  = 9. Packing Info =
2199 2199  
2200 2200  
... ... @@ -2212,6 +2212,8 @@
2212 2212  * Package Size / pcs : 14.5 x 8 x 5 cm
2213 2213  * Weight / pcs : 170g
2214 2214  
2334 +
2335 +
2215 2215  = 10. Support =
2216 2216  
2217 2217  
... ... @@ -2231,3 +2231,5 @@
2231 2231  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2232 2232  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2233 2233  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2355 +
2356 +
image-20240219115718-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
Size
... ... @@ -1,1 +1,0 @@
1 -27.7 KB
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