<
From version < 77.57 >
edited by Xiaoling
on 2022/06/10 09:09
To version < 77.52 >
edited by Xiaoling
on 2022/06/10 09:06
>
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Summary

Details

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Content
... ... @@ -1434,9 +1434,8 @@
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**
1437 1437  
1438 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1439 -
1440 1440  [[image:1653357592296-182.png]]
1441 1441  
1442 1442  Example to connect a 4~~20mA sensor
... ... @@ -1443,18 +1443,17 @@
1443 1443  
1444 1444  We take the wind speed sensor as an example for reference only.
1445 1445  
1445 +Specifications of the wind speed sensor:
1446 1446  
1447 -**Specifications of the wind speed sensor:**
1447 +Red:12~~24v
1448 1448  
1449 -Red:  12~~24v
1449 +Yellow:4~~20mA
1450 1450  
1451 -Yellow:  4~~20mA
1451 +Black:GND
1452 1452  
1453 -Black:  GND
1454 1454  
1454 +Connection diagram:
1455 1455  
1456 -**Connection diagram:**
1457 -
1458 1458  [[image:1653357640609-758.png]]
1459 1459  
1460 1460  [[image:1653357648330-671.png||height="155" width="733"]]
... ... @@ -1486,7 +1486,6 @@
1486 1486  
1487 1487  [[image:1653358238933-385.png]]
1488 1488  
1489 -
1490 1490  (((
1491 1491  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:
1492 1492  )))
... ... @@ -1493,7 +1493,6 @@
1493 1493  
1494 1494  [[image:1653358355238-883.png]]
1495 1495  
1496 -
1497 1497  (((
1498 1498  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/]]
1499 1499  )))
... ... @@ -1993,6 +1993,7 @@
1993 1993  * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1994 1994  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1995 1995  
1992 +
1996 1996  = 8. Packing Info =
1997 1997  
1998 1998  
... ... @@ -2010,6 +2010,7 @@
2010 2010  * Package Size / pcs : 14.5 x 8 x 5 cm
2011 2011  * Weight / pcs : 170g
2012 2012  
2010 +
2013 2013  = 9. Support =
2014 2014  
2015 2015  * (((
... ... @@ -2019,6 +2019,7 @@
2019 2019  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]]
2020 2020  )))
2021 2021  
2020 +
2022 2022  = 10. Reference​​​​​ =
2023 2023  
2024 2024  * 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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