Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 113.3 >
edited by Xiaoling
on 2023/04/24 14:39
To version < 111.2 >
edited by Xiaoling
on 2023/01/29 11:26
>
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Summary

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... ... @@ -176,32 +176,23 @@
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  
186 +
187 +
192 192  == 1.4  Applications ==
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  
... ... @@ -209,12 +209,9 @@
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
212 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 -|(% 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**
214 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 -(% style="text-align:center" %)
216 -[[image:image-20230424115112-1.png||height="106" width="58"]]
217 -)))|(% style="width:334px" %)(((
203 +(% border="1" style="background-color:#f7faff; width:500px" %)
204 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
205 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
218 218  * 2 x Digital Input (Bi-direction)
219 219  * 2 x Digital Output
220 220  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -1547,9 +1547,9 @@
1547 1547  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1548 1548  
1549 1549  
1550 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1538 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1551 1551  
1552 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1540 +Note: DO pins go to float when device is power off.
1553 1553  
1554 1554  [[image:1653357531600-905.png]]
1555 1555  
... ... @@ -1571,9 +1571,9 @@
1571 1571  
1572 1572  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1573 1573  
1574 -(% style="color:red" %)**Red:  12~~24v**
1562 +**Red:  12~~24v**
1575 1575  
1576 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1564 +**Yellow:  4~~20mA**
1577 1577  
1578 1578  **Black:  GND**
1579 1579  
... ... @@ -1936,7 +1936,7 @@
1936 1936  **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?
1937 1937  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1938 1938  
1939 -**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.**
1927 +**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**
1940 1940  
1941 1941  
1942 1942  )))
... ... @@ -1960,19 +1960,11 @@
1960 1960  )))
1961 1961  
1962 1962  
1963 -= 5. Case Study =
1951 += 5. FAQ =
1964 1964  
1965 -== 5.1 Counting how many objects pass in Flow Line ==
1953 +== 5.1 How to upgrade the image? ==
1966 1966  
1967 1967  
1968 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1969 -
1970 -
1971 -= 6. FAQ =
1972 -
1973 -== 6.1 How to upgrade the image? ==
1974 -
1975 -
1976 1976  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1977 1977  
1978 1978  * Support new features
... ... @@ -2000,10 +2000,8 @@
2000 2000  
2001 2001   [[image:image-20220524103407-12.png]]
2002 2002  
2003 -
2004 2004  [[image:image-20220524103429-13.png]]
2005 2005  
2006 -
2007 2007  [[image:image-20220524104033-15.png]]
2008 2008  
2009 2009  
... ... @@ -2015,7 +2015,7 @@
2015 2015  
2016 2016  (((
2017 2017  (((
2018 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1996 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2019 2019  
2020 2020  
2021 2021  )))
... ... @@ -2028,7 +2028,7 @@
2028 2028  (((
2029 2029  
2030 2030  
2031 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2009 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2032 2032  
2033 2033  
2034 2034  )))
... ... @@ -2091,7 +2091,7 @@
2091 2091  [[image:1653360498588-932.png||height="485" width="726"]]
2092 2092  
2093 2093  
2094 -== 6.4 Can I see counting event in Serial? ==
2072 +== 5.4 Can I see counting event in Serial? ==
2095 2095  
2096 2096  
2097 2097  (((
... ... @@ -2098,7 +2098,7 @@
2098 2098  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.
2099 2099  
2100 2100  
2101 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2079 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2102 2102  
2103 2103  
2104 2104  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]].
... ... @@ -2107,7 +2107,7 @@
2107 2107  )))
2108 2108  
2109 2109  (((
2110 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2088 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2111 2111  
2112 2112  
2113 2113  If the device is not shut down, but directly powered off.
... ... @@ -2119,7 +2119,7 @@
2119 2119  After restart, the status before power failure will be read from flash.
2120 2120  
2121 2121  
2122 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2100 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2123 2123  
2124 2124  
2125 2125  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2128,18 +2128,18 @@
2128 2128  [[image:image-20221006170630-1.png||height="610" width="945"]]
2129 2129  
2130 2130  
2131 -== 6.8 Can LT22222-L save RO state? ==
2109 +== 5.8 Can LT22222-L save RO state? ==
2132 2132  
2133 2133  
2134 2134  Firmware version needs to be no less than 1.6.0.
2135 2135  
2136 2136  
2137 -= 7. Trouble Shooting =
2115 += 6. Trouble Shooting =
2138 2138  )))
2139 2139  
2140 2140  (((
2141 2141  (((
2142 -== 7.1 Downlink doesn't work, how to solve it? ==
2120 +== 6.1 Downlink doesn't work, how to solve it? ==
2143 2143  
2144 2144  
2145 2145  )))
... ... @@ -2152,7 +2152,7 @@
2152 2152  (((
2153 2153  
2154 2154  
2155 -== 7.2 Have trouble to upload image. ==
2133 +== 6.2 Have trouble to upload image. ==
2156 2156  
2157 2157  
2158 2158  )))
... ... @@ -2164,7 +2164,7 @@
2164 2164  (((
2165 2165  
2166 2166  
2167 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2145 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2168 2168  
2169 2169  
2170 2170  )))
... ... @@ -2174,7 +2174,7 @@
2174 2174  )))
2175 2175  
2176 2176  
2177 -= 8. Order Info =
2155 += 7. Order Info =
2178 2178  
2179 2179  
2180 2180  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2193,7 +2193,7 @@
2193 2193  
2194 2194  
2195 2195  
2196 -= 9. Packing Info =
2174 += 8. Packing Info =
2197 2197  
2198 2198  
2199 2199  **Package Includes**:
... ... @@ -2212,7 +2212,7 @@
2212 2212  
2213 2213  
2214 2214  
2215 -= 10. Support =
2193 += 9. Support =
2216 2216  
2217 2217  
2218 2218  * (((
... ... @@ -2225,7 +2225,7 @@
2225 2225  
2226 2226  )))
2227 2227  
2228 -= 11. Reference​​​​​ =
2206 += 10. Reference​​​​​ =
2229 2229  
2230 2230  
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]]
image-20230424115112-1.png
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