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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 66.30
edited by Xiaoling
on 2022/05/24 14:14
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To version 66.24
edited by Xiaoling
on 2022/05/24 13:58
Change comment: There is no comment for this version

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... ... @@ -207,7 +207,9 @@
207 207  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
208 208  )))
209 209  
210 -== 3.2 Example to join LoRaWAN network ==
210 +(((
211 +3.2 Example to join LoRaWAN network
212 +)))
211 211  
212 212  (((
213 213  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
... ... @@ -215,6 +215,7 @@
215 215  
216 216  [[image:image-20220523172350-1.png||height="266" width="864"]]
217 217  
220 +
218 218  (((
219 219  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
220 220  )))
... ... @@ -968,10 +968,8 @@
968 968  
969 969  (% class="box infomessage" %)
970 970  (((
971 -(((
972 972  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
973 973  )))
974 -)))
975 975  
976 976  This is to control the digital output time of DO pin. Include four bytes:
977 977  
... ... @@ -1180,18 +1180,15 @@
1180 1180  
1181 1181  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1182 1182  
1183 -(((
1184 1184  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1185 -)))
1186 1186  
1187 -(((
1188 1188  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1189 -)))
1190 1190  
1191 1191  [[image:1653356737703-362.png||height="232" width="732"]]
1192 1192  
1193 1193  [[image:image-20220524094641-11.png||height="390" width="723"]]
1194 1194  
1192 +
1195 1195  [[image:image-20220524094641-12.png||height="402" width="718"]]
1196 1196  
1197 1197  **Step 3**: Create an account or log in Mydevices.
... ... @@ -1250,7 +1250,7 @@
1250 1250  
1251 1251  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1252 1252  
1253 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1251 + //IF// = DI1+ / 1K.
1254 1254  
1255 1255  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1256 1256  
... ... @@ -1264,9 +1264,9 @@
1264 1264  
1265 1265  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1266 1266  
1267 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1265 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1268 1268  
1269 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1267 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1270 1270  
1271 1271  
1272 1272  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1278,7 +1278,7 @@
1278 1278  
1279 1279  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1280 1280  
1281 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1279 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1282 1282  
1283 1283  If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1284 1284  
... ... @@ -1337,9 +1337,7 @@
1337 1337  
1338 1338  [[image:1653358238933-385.png]]
1339 1339  
1340 -(((
1341 1341  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1342 -)))
1343 1343  
1344 1344  [[image:1653358355238-883.png]]
1345 1345  
... ... @@ -1661,13 +1661,11 @@
1661 1661  Below shows the hardware connection for how to upload an image to the LT:
1662 1662  * [[image:1653359603330-121.png]]
1663 1663  
1664 -(((
1665 1665  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1666 1666  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1667 1667  **Step3: **Open flashloader; choose the correct COM port to update.
1668 1668  **For LT-22222-L**:
1669 1669  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1670 -)))
1671 1671  
1672 1672   [[image:image-20220524103407-12.png]]
1673 1673  
... ... @@ -1713,15 +1713,10 @@
1713 1713  [[image:1653360231087-571.png||height="401" width="727"]]
1714 1714  )))
1715 1715  
1716 -(((
1717 1717  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1718 -)))
1719 1719  
1720 -(((
1721 1721  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1722 -)))
1723 1723  
1724 -(((
1725 1725  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1726 1726  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1727 1727  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1732,11 +1732,8 @@
1732 1732  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1733 1733  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1734 1734  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1735 -)))
1736 1736  
1737 -(((
1738 1738  As shown in below:
1739 -)))
1740 1740  
1741 1741  [[image:1653360498588-932.png||height="485" width="726"]]
1742 1742  
... ... @@ -1806,58 +1806,33 @@
1806 1806  )))
1807 1807  )))
1808 1808  
1809 -(((
1810 1810  * (((
1811 1811  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1812 1812  )))
1813 -)))
1814 -
1815 -(((
1816 1816  * (((
1817 1817  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1818 1818  )))
1819 -)))
1820 -
1821 -(((
1822 1822  * (((
1823 1823  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1824 1824  )))
1825 -)))
1826 -
1827 -(((
1828 1828  * (((
1829 1829  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1830 1830  )))
1831 -)))
1832 -
1833 -(((
1834 1834  * (((
1835 1835  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1836 1836  )))
1837 -)))
1838 -
1839 -(((
1840 1840  * (((
1841 1841  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1842 1842  )))
1843 -)))
1844 -
1845 -(((
1846 1846  * (((
1847 1847  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1848 1848  )))
1849 -)))
1850 -
1851 -(((
1852 1852  * (((
1853 1853  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1854 1854  )))
1855 -)))
1856 1856  
1857 1857  (((
1858 -* (((
1859 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1860 -)))
1821 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1861 1861  
1862 1862  = 8. Packing Info =
1863 1863  )))