<
From version < 77.46 >
edited by Xiaoling
on 2022/06/10 09:03
To version < 77.57 >
edited by Xiaoling
on 2022/06/10 09:09
>
Change comment: There is no comment for this version

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... ... @@ -1434,8 +1434,9 @@
1434 1434  
1435 1435  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1436 1436  
1437 -**AC2 = (IN2 voltage )/12**
1438 1438  
1438 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1439 +
1439 1439  [[image:1653357592296-182.png]]
1440 1440  
1441 1441  Example to connect a 4~~20mA sensor
... ... @@ -1442,17 +1442,18 @@
1442 1442  
1443 1443  We take the wind speed sensor as an example for reference only.
1444 1444  
1445 -Specifications of the wind speed sensor:
1446 1446  
1447 -Red:12~~24v
1447 +**Specifications of the wind speed sensor:**
1448 1448  
1449 -Yellow:4~~20mA
1449 +Red:  12~~24v
1450 1450  
1451 -Black:GND
1451 +Yellow:  4~~20mA
1452 1452  
1453 +Black:  GND
1453 1453  
1454 -Connection diagram:
1455 1455  
1456 +**Connection diagram:**
1457 +
1456 1456  [[image:1653357640609-758.png]]
1457 1457  
1458 1458  [[image:1653357648330-671.png||height="155" width="733"]]
... ... @@ -1484,6 +1484,7 @@
1484 1484  
1485 1485  [[image:1653358238933-385.png]]
1486 1486  
1489 +
1487 1487  (((
1488 1488  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:
1489 1489  )))
... ... @@ -1490,6 +1490,7 @@
1490 1490  
1491 1491  [[image:1653358355238-883.png]]
1492 1492  
1496 +
1493 1493  (((
1494 1494  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1495 1495  )))
... ... @@ -1687,7 +1687,9 @@
1687 1687  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1688 1688  
1689 1689  (((
1690 -If device has not joined network yet:
1694 +
1695 +
1696 +**If device has not joined network yet:**
1691 1691  )))
1692 1692  
1693 1693  (((
... ... @@ -1712,7 +1712,7 @@
1712 1712  
1713 1713  
1714 1714  (((
1715 -If device already joined network:
1721 +**If device already joined network:**
1716 1716  )))
1717 1717  
1718 1718  (((
... ... @@ -1730,7 +1730,9 @@
1730 1730  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1731 1731  
1732 1732  (((
1733 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1739 +
1740 +
1741 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1734 1734  )))
1735 1735  
1736 1736  (((
... ... @@ -1738,7 +1738,7 @@
1738 1738  )))
1739 1739  
1740 1740  (((
1741 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1749 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1742 1742  )))
1743 1743  
1744 1744  (((
... ... @@ -1746,39 +1746,41 @@
1746 1746  )))
1747 1747  
1748 1748  (((
1749 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1757 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1761 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1765 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1758 1758  )))
1759 1759  
1760 1760  (((
1761 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1769 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1773 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1777 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1781 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1785 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1789 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1790 +
1791 +
1782 1782  )))
1783 1783  
1784 1784  (((
... ... @@ -1801,7 +1801,6 @@
1801 1801  )))
1802 1802  
1803 1803  
1804 -
1805 1805  === 4.2.3 Change to Class A ===
1806 1806  
1807 1807  If sensor JOINED
... ... @@ -1841,6 +1841,7 @@
1841 1841  
1842 1842  [[image:image-20220524104033-15.png]]
1843 1843  
1853 +
1844 1844  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1845 1845  
1846 1846  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1983,7 +1983,6 @@
1983 1983  * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1984 1984  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1985 1985  
1986 -
1987 1987  = 8. Packing Info =
1988 1988  
1989 1989  
... ... @@ -2001,7 +2001,6 @@
2001 2001  * Package Size / pcs : 14.5 x 8 x 5 cm
2002 2002  * Weight / pcs : 170g
2003 2003  
2004 -
2005 2005  = 9. Support =
2006 2006  
2007 2007  * (((
... ... @@ -2011,7 +2011,6 @@
2011 2011  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2012 2012  )))
2013 2013  
2014 -
2015 2015  = 10. Reference​​​​​ =
2016 2016  
2017 2017  * 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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