Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 116.1 >
edited by Bei Jinggeng
on 2023/04/26 16:13
To version < 112.1 >
edited by Edwin Chen
on 2023/03/30 16:18
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
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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  
193 -
194 194  == 1.4  Applications ==
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 209  
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
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:334px" %)**Description**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
201 +(% border="1" style="background-color:#f7faff; width:500px" %)
202 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -226,7 +226,6 @@
226 226  )))
227 227  
228 228  
229 -
230 230  = 2. Power ON Device =
231 231  
232 232  
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png]]
269 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -1546,9 +1546,9 @@
1546 1546  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1547 1547  
1548 1548  
1549 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1532 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1550 1550  
1551 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1534 +Note: DO pins go to float when device is power off.
1552 1552  
1553 1553  [[image:1653357531600-905.png]]
1554 1554  
... ... @@ -1570,9 +1570,9 @@
1570 1570  
1571 1571  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1572 1572  
1573 -(% style="color:red" %)**Red:  12~~24v**
1556 +**Red:  12~~24v**
1574 1574  
1575 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1558 +**Yellow:  4~~20mA**
1576 1576  
1577 1577  **Black:  GND**
1578 1578  
... ... @@ -1935,7 +1935,7 @@
1935 1935  **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?
1936 1936  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1937 1937  
1938 -**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.**
1921 +**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**
1939 1939  
1940 1940  
1941 1941  )))
... ... @@ -1967,9 +1967,9 @@
1967 1967  Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1968 1968  
1969 1969  
1970 -= 6. FAQ =
1953 += 5. FAQ =
1971 1971  
1972 -== 6.1 How to upgrade the image? ==
1955 +== 5.1 How to upgrade the image? ==
1973 1973  
1974 1974  
1975 1975  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
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1999 1999  
2000 2000   [[image:image-20220524103407-12.png]]
2001 2001  
2002 -
2003 2003  [[image:image-20220524103429-13.png]]
2004 2004  
2005 -
2006 2006  [[image:image-20220524104033-15.png]]
2007 2007  
2008 2008  
... ... @@ -2014,7 +2014,7 @@
2014 2014  
2015 2015  (((
2016 2016  (((
2017 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1998 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2018 2018  
2019 2019  
2020 2020  )))
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2027 2027  (((
2028 2028  
2029 2029  
2030 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2011 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2031 2031  
2032 2032  
2033 2033  )))
... ... @@ -2090,7 +2090,7 @@
2090 2090  [[image:1653360498588-932.png||height="485" width="726"]]
2091 2091  
2092 2092  
2093 -== 6.4 Can I see counting event in Serial? ==
2074 +== 5.4 Can I see counting event in Serial? ==
2094 2094  
2095 2095  
2096 2096  (((
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2097 2097  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.
2098 2098  
2099 2099  
2100 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2081 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2101 2101  
2102 2102  
2103 2103  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]].
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2106 2106  )))
2107 2107  
2108 2108  (((
2109 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2090 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2110 2110  
2111 2111  
2112 2112  If the device is not shut down, but directly powered off.
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2118 2118  After restart, the status before power failure will be read from flash.
2119 2119  
2120 2120  
2121 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2102 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2122 2122  
2123 2123  
2124 2124  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
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2127 2127  [[image:image-20221006170630-1.png||height="610" width="945"]]
2128 2128  
2129 2129  
2130 -== 6.8 Can LT22222-L save RO state? ==
2111 +== 5.8 Can LT22222-L save RO state? ==
2131 2131  
2132 2132  
2133 2133  Firmware version needs to be no less than 1.6.0.
2134 2134  
2135 2135  
2136 -= 7. Trouble Shooting =
2117 += 6. Trouble Shooting =
2137 2137  )))
2138 2138  
2139 2139  (((
2140 2140  (((
2141 -== 7.1 Downlink doesn't work, how to solve it? ==
2122 +== 6.1 Downlink doesn't work, how to solve it? ==
2142 2142  
2143 2143  
2144 2144  )))
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2151 2151  (((
2152 2152  
2153 2153  
2154 -== 7.2 Have trouble to upload image. ==
2135 +== 6.2 Have trouble to upload image. ==
2155 2155  
2156 2156  
2157 2157  )))
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2163 2163  (((
2164 2164  
2165 2165  
2166 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2147 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2167 2167  
2168 2168  
2169 2169  )))
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2173 2173  )))
2174 2174  
2175 2175  
2176 -= 8. Order Info =
2157 += 7. Order Info =
2177 2177  
2178 2178  
2179 2179  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
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2191 2191  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2192 2192  
2193 2193  
2175 += 8. Packing Info =
2194 2194  
2195 -= 9. Packing Info =
2196 2196  
2197 -
2198 2198  **Package Includes**:
2199 2199  
2200 2200  * LT-22222-L I/O Controller x 1
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2210 2210  * Weight / pcs : 170g
2211 2211  
2212 2212  
2193 += 9. Support =
2213 2213  
2214 -= 10. Support =
2215 2215  
2216 -
2217 2217  * (((
2218 2218  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2219 2219  )))
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2224 2224  
2225 2225  )))
2226 2226  
2227 -= 11. Reference​​​​​ =
2206 += 10. Reference​​​​​ =
2228 2228  
2229 2229  
2230 2230  * 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]]
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