Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.3 >
edited by Xiaoling
on 2023/05/17 10:48
To version < 112.2 >
edited by Xiaoling
on 2023/03/31 09:35
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 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.
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, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -176,17 +176,11 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 192  == 1.4  Applications ==
... ... @@ -193,26 +193,18 @@
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% 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:334px" %)**Description**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
199 +(% border="1" style="background-color:#f7faff; width:500px" %)
200 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
201 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
266 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -318,38 +318,18 @@
318 318  
319 319  
320 320  (((
321 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
322 -
323 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324 -|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
325 -|Value|(((
326 -AVI1
327 -voltage
328 -)))|(((
329 -AVI2
330 -voltage
331 -)))|(((
332 -ACI1
333 -Current
334 -)))|(((
335 -ACI2
336 -Current
337 -)))|DIDORO*|(((
338 -Reserve
339 -)))|MOD
307 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
340 340  )))
341 341  
310 +[[image:image-20220523174024-3.png]]
342 342  
343 343  (((
344 344  
345 345  
346 346  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 -
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
351 351  )))
352 352  
318 +[[image:image-20220523174254-4.png]]
353 353  
354 354  * RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -1138,7 +1138,7 @@
1138 1138  )))
1139 1139  
1140 1140  (((
1141 -[[image:image-20230426161322-1.png]]
1107 +[[image:image-20220524093724-9.png]]
1142 1142  )))
1143 1143  
1144 1144  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1557,9 +1557,9 @@
1557 1557  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1558 1558  
1559 1559  
1560 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1526 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1561 1561  
1562 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1528 +Note: DO pins go to float when device is power off.
1563 1563  
1564 1564  [[image:1653357531600-905.png]]
1565 1565  
... ... @@ -1581,9 +1581,9 @@
1581 1581  
1582 1582  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1583 1583  
1584 -(% style="color:red" %)**Red:  12~~24v**
1550 +**Red:  12~~24v**
1585 1585  
1586 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1552 +**Yellow:  4~~20mA**
1587 1587  
1588 1588  **Black:  GND**
1589 1589  
... ... @@ -1946,7 +1946,7 @@
1946 1946  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1947 1947  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1948 1948  
1949 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1915 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1950 1950  
1951 1951  
1952 1952  )))
... ... @@ -2010,10 +2010,8 @@
2010 2010  
2011 2011   [[image:image-20220524103407-12.png]]
2012 2012  
2013 -
2014 2014  [[image:image-20220524103429-13.png]]
2015 2015  
2016 -
2017 2017  [[image:image-20220524104033-15.png]]
2018 2018  
2019 2019  
... ... @@ -2101,20 +2101,14 @@
2101 2101  [[image:1653360498588-932.png||height="485" width="726"]]
2102 2102  
2103 2103  
2104 -== 6.4 How to change the uplink interval？ ==
2068 +== 6.4 Can I see counting event in Serial? ==
2105 2105  
2106 2106  
2107 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2108 -
2109 -
2110 -== 6.5 Can I see counting event in Serial? ==
2111 -
2112 -
2113 2113  (((
2114 2114  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2115 2115  
2116 2116  
2117 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2075 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2118 2118  
2119 2119  
2120 2120  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2123,7 +2123,7 @@
2123 2123  )))
2124 2124  
2125 2125  (((
2126 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2084 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2127 2127  
2128 2128  
2129 2129  If the device is not shut down, but directly powered off.
... ... @@ -2135,7 +2135,7 @@
2135 2135  After restart, the status before power failure will be read from flash.
2136 2136  
2137 2137  
2138 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2096 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2139 2139  
2140 2140  
2141 2141  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2144,7 +2144,7 @@
2144 2144  [[image:image-20221006170630-1.png||height="610" width="945"]]
2145 2145  
2146 2146  
2147 -== 6.9 Can LT22222-L save RO state? ==
2105 +== 6.8 Can LT22222-L save RO state? ==
2148 2148  
2149 2149  
2150 2150  Firmware version needs to be no less than 1.6.0.
... ... @@ -2243,3 +2243,5 @@
2243 2243  * 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]]
2244 2244  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2245 2245  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2204 +
2205 +
image-20230424115112-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -27.1 KB
Content
image-20230425173351-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -207.8 KB
Content
image-20230425173427-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -150.1 KB
Content
image-20230426161322-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -15.2 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0