Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 112.2 >
edited by Xiaoling
on 2023/03/31 09:35
To version < 118.5 >
edited by Xiaoling
on 2023/05/17 10:51
>
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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, smartphone detection, 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, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -176,11 +176,17 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 +
179 179  * Optional Customized LoRa Protocol
181 +
180 180  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
181 181  * AT Commands to change parameters
185 +
182 182  * Remote configure parameters via LoRa Downlink
187 +
183 183  * Firmware upgradable via program port
189 +
184 184  * Counting
185 185  
186 186  == 1.4  Applications ==
... ... @@ -187,18 +187,26 @@
187 187  
188 188  
189 189  * Smart Buildings & Home Automation
196 +
190 190  * Logistics and Supply Chain Management
198 +
191 191  * Smart Metering
200 +
192 192  * Smart Agriculture
202 +
193 193  * Smart Cities
204 +
194 194  * Smart Factory
195 195  
196 196  == 1.5 Hardware Variants ==
197 197  
198 198  
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" %)(((
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" %)(((
202 202  * 2 x Digital Input (Bi-direction)
203 203  * 2 x Digital Output
204 204  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -263,7 +263,7 @@
263 263  Each LT is shipped with a sticker with the default device EUI as below:
264 264  )))
265 265  
266 -[[image:1653297924498-393.png]]
280 +[[image:image-20230425173427-2.png||height="246" width="530"]]
267 267  
268 268  
269 269  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -304,18 +304,38 @@
304 304  
305 305  
306 306  (((
307 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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
308 308  )))
309 309  
310 -[[image:image-20220523174024-3.png]]
311 311  
312 312  (((
313 313  
314 314  
315 315  (% 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
316 316  )))
317 317  
318 -[[image:image-20220523174254-4.png]]
319 319  
320 320  * RO is for relay. ROx=1 : close，ROx=0 always open.
321 321  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -365,18 +365,28 @@
365 365  
366 366  (((
367 367  Total : 11 bytes payload
368 -)))
369 369  
370 -[[image:image-20220523180452-3.png]]
403 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404 +|Size(bytes)|4|4|1|1|1
405 +|Value|COUNT1|COUNT2 |DIDORO*|(((
406 +Reserve
371 371  
408 +
409 +)))|MOD
410 +)))
372 372  
373 373  (((
413 +
414 +
374 374  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
375 -)))
376 376  
377 -[[image:image-20220523180506-4.png]]
417 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
418 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
419 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
378 378  
379 -* RO is for relay. ROx=1 : close，ROx=0 always open.
421 +RO is for relay. ROx=1 : close，ROx=0 always open.
422 +)))
423 +
380 380  * FIRST: Indicate this is the first packet after join network.
381 381  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
382 382  
... ... @@ -434,6 +434,14 @@
434 434  
435 435  **LT22222-L**: This mode the DI1 is used as a counting pin.
436 436  
481 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
482 +|Size(bytes)|4|2|2|1|1|1
483 +|Value|COUNT1|(((
484 +ACI1 Current
485 +)))|(((
486 +ACI2 Current
487 +)))|DIDORO*|Reserve|MOD
488 +
437 437  [[image:image-20220523181246-5.png]]
438 438  
439 439  (((
... ... @@ -1104,7 +1104,7 @@
1104 1104  )))
1105 1105  
1106 1106  (((
1107 -[[image:image-20220524093724-9.png]]
1159 +[[image:image-20230426161322-1.png]]
1108 1108  )))
1109 1109  
1110 1110  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1523,9 +1523,9 @@
1523 1523  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1524 1524  
1525 1525  
1526 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1578 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1527 1527  
1528 -Note: DO pins go to float when device is power off.
1580 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1529 1529  
1530 1530  [[image:1653357531600-905.png]]
1531 1531  
... ... @@ -1547,9 +1547,9 @@
1547 1547  
1548 1548  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1549 1549  
1550 -**Red:  12~~24v**
1602 +(% style="color:red" %)**Red:  12~~24v**
1551 1551  
1552 -**Yellow:  4~~20mA**
1604 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1553 1553  
1554 1554  **Black:  GND**
1555 1555  
... ... @@ -1912,7 +1912,7 @@
1912 1912  **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?
1913 1913  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1914 1914  
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**
1967 +**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.**
1916 1916  
1917 1917  
1918 1918  )))
... ... @@ -1976,8 +1976,10 @@
1976 1976  
1977 1977   [[image:image-20220524103407-12.png]]
1978 1978  
2031 +
1979 1979  [[image:image-20220524103429-13.png]]
1980 1980  
2034 +
1981 1981  [[image:image-20220524104033-15.png]]
1982 1982  
1983 1983  
... ... @@ -2065,14 +2065,20 @@
2065 2065  [[image:1653360498588-932.png||height="485" width="726"]]
2066 2066  
2067 2067  
2068 -== 6.4 Can I see counting event in Serial? ==
2122 +== 6.4 How to change the uplink interval？ ==
2069 2069  
2070 2070  
2125 +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/]]
2126 +
2127 +
2128 +== 6.5 Can I see counting event in Serial? ==
2129 +
2130 +
2071 2071  (((
2072 2072  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.
2073 2073  
2074 2074  
2075 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2135 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2076 2076  
2077 2077  
2078 2078  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]].
... ... @@ -2081,7 +2081,7 @@
2081 2081  )))
2082 2082  
2083 2083  (((
2084 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2144 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2085 2085  
2086 2086  
2087 2087  If the device is not shut down, but directly powered off.
... ... @@ -2093,7 +2093,7 @@
2093 2093  After restart, the status before power failure will be read from flash.
2094 2094  
2095 2095  
2096 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2156 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2097 2097  
2098 2098  
2099 2099  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2102,7 +2102,7 @@
2102 2102  [[image:image-20221006170630-1.png||height="610" width="945"]]
2103 2103  
2104 2104  
2105 -== 6.8 Can LT22222-L save RO state? ==
2165 +== 6.9 Can LT22222-L save RO state? ==
2106 2106  
2107 2107  
2108 2108  Firmware version needs to be no less than 1.6.0.
... ... @@ -2201,5 +2201,3 @@
2201 2201  * 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]]
2202 2202  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2203 2203  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2204 -
2205 -
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