Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.2 >
edited by Xiaoling
on 2023/05/17 10:45
To version < 112.2 >
edited by Xiaoling
on 2023/03/31 09:35
>
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... ... @@ -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:
... ... @@ -318,44 +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 -
328 -voltage
329 -)))|(((
330 -AVI2
331 -
332 -voltage
333 -)))|(((
334 -ACI1
335 -
336 -Current
337 -)))|(((
338 -ACI2
339 -
340 -Current
341 -)))|DIDORO*|(((
342 -Reserve
343 -
344 -
345 -)))|MOD
307 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
346 346  )))
347 347  
310 +[[image:image-20220523174024-3.png]]
348 348  
349 349  (((
350 350  
351 351  
352 352  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
353 -
354 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
355 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
356 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
357 357  )))
358 358  
318 +[[image:image-20220523174254-4.png]]
359 359  
360 360  * RO is for relay. ROx=1 : close，ROx=0 always open.
361 361  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -1144,7 +1144,7 @@
1144 1144  )))
1145 1145  
1146 1146  (((
1147 -[[image:image-20230426161322-1.png]]
1107 +[[image:image-20220524093724-9.png]]
1148 1148  )))
1149 1149  
1150 1150  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1563,9 +1563,9 @@
1563 1563  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1564 1564  
1565 1565  
1566 -(% 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.
1567 1567  
1568 -(% 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.
1569 1569  
1570 1570  [[image:1653357531600-905.png]]
1571 1571  
... ... @@ -1587,9 +1587,9 @@
1587 1587  
1588 1588  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1589 1589  
1590 -(% style="color:red" %)**Red:  12~~24v**
1550 +**Red:  12~~24v**
1591 1591  
1592 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1552 +**Yellow:  4~~20mA**
1593 1593  
1594 1594  **Black:  GND**
1595 1595  
... ... @@ -1952,7 +1952,7 @@
1952 1952  **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?
1953 1953  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1954 1954  
1955 -**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**
1956 1956  
1957 1957  
1958 1958  )))
... ... @@ -2016,10 +2016,8 @@
2016 2016  
2017 2017   [[image:image-20220524103407-12.png]]
2018 2018  
2019 -
2020 2020  [[image:image-20220524103429-13.png]]
2021 2021  
2022 -
2023 2023  [[image:image-20220524104033-15.png]]
2024 2024  
2025 2025  
... ... @@ -2107,20 +2107,14 @@
2107 2107  [[image:1653360498588-932.png||height="485" width="726"]]
2108 2108  
2109 2109  
2110 -== 6.4 How to change the uplink interval？ ==
2068 +== 6.4 Can I see counting event in Serial? ==
2111 2111  
2112 2112  
2113 -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/]]
2114 -
2115 -
2116 -== 6.5 Can I see counting event in Serial? ==
2117 -
2118 -
2119 2119  (((
2120 2120  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.
2121 2121  
2122 2122  
2123 -== 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? ==
2124 2124  
2125 2125  
2126 2126  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]].
... ... @@ -2129,7 +2129,7 @@
2129 2129  )))
2130 2130  
2131 2131  (((
2132 -== 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? ==
2133 2133  
2134 2134  
2135 2135  If the device is not shut down, but directly powered off.
... ... @@ -2141,7 +2141,7 @@
2141 2141  After restart, the status before power failure will be read from flash.
2142 2142  
2143 2143  
2144 -== 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? ==
2145 2145  
2146 2146  
2147 2147  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2150,7 +2150,7 @@
2150 2150  [[image:image-20221006170630-1.png||height="610" width="945"]]
2151 2151  
2152 2152  
2153 -== 6.9 Can LT22222-L save RO state? ==
2105 +== 6.8 Can LT22222-L save RO state? ==
2154 2154  
2155 2155  
2156 2156  Firmware version needs to be no less than 1.6.0.
... ... @@ -2249,3 +2249,5 @@
2249 2249  * 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]]
2250 2250  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2251 2251  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2204 +
2205 +
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