Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 57.4 >
edited by Xiaoling
on 2022/05/24 10:24
To version < 57.2 >
edited by Xiaoling
on 2022/05/24 10:14
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1116,9 +1116,9 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1120 1120  
1121 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,7 +1130,7 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1134 1134  
1135 1135  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.
1136 1136  
... ... @@ -1379,69 +1379,73 @@
1379 1379  AT+CFG: Print all settings
1380 1380  )))
1381 1381  
1382 -== 4.2 Common AT Command Sequence ==
1383 1383  
1384 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1385 1385  
1384 +1.
1385 +11. Common AT Command Sequence
1386 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1387 +
1386 1386  If device has not joined network yet:
1387 1387  
1388 -(% style="background-color:#dcdcdc" %)123456
1390 +123456
1389 1389  
1390 -(% style="background-color:#dcdcdc" %)AT+FDR
1392 +AT+FDR
1391 1391  
1392 -(% style="background-color:#dcdcdc" %)123456
1394 +123456
1393 1393  
1394 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1396 +AT+NJM=0
1395 1395  
1396 -(% style="background-color:#dcdcdc" %)ATZ
1398 +ATZ
1397 1397  
1398 1398  
1399 1399  If device already joined network:
1400 1400  
1401 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1403 +AT+NJM=0
1402 1402  
1403 -(% style="background-color:#dcdcdc" %)ATZ
1405 +ATZ
1404 1404  
1405 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1407 +1.
1408 +11.
1409 +111. Single-channel ABP mode (Use with LG01/LG02)
1406 1406  
1407 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1411 +123456   Enter Password to have AT access.
1408 1408  
1409 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1413 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1410 1410  
1411 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1415 +123456   Enter Password to have AT access.
1412 1412  
1413 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1417 +AT+CLASS=C Set to work in CLASS C
1414 1414  
1415 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1419 +AT+NJM=0 Set to ABP mode
1416 1416  
1417 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1421 +AT+ADR=0 Set the Adaptive Data Rate Off
1418 1418  
1419 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1423 +AT+DR=5  Set Data Rate
1420 1420  
1421 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1425 +AT+TDC=60000  Set transmit interval to 60 seconds
1422 1422  
1423 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1427 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1424 1424  
1425 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1429 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1426 1426  
1427 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1431 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1428 1428  
1429 -(% 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.
1433 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1430 1430  
1431 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1435 +ATZ          Reset MCU
1432 1432  
1433 -(% style="color:red" %)**Note:**
1437 +**Note:**
1434 1434  
1435 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1436 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1437 -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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1438 -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
1439 +1. Make sure the device is set to ABP mode in the IoT Server.
1440 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1441 +1. 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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1442 +1. 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
1439 1439  
1440 1440  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1441 1441  
1442 1442  
1443 1443  1.
1444 -11.
1448 +11.
1445 1445  111. Change to Class A
1446 1446  
1447 1447  If sensor JOINED
... ... @@ -1456,7 +1456,7 @@
1456 1456  
1457 1457  1. FAQ
1458 1458  
1459 -1.
1463 +1.
1460 1460  11. How to upgrade the image?
1461 1461  
1462 1462  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1515,7 +1515,7 @@
1515 1515  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1516 1516  
1517 1517  
1518 -1.
1522 +1.
1519 1519  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1520 1520  
1521 1521  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1574,7 +1574,7 @@
1574 1574  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1575 1575  
1576 1576  
1577 -1.
1581 +1.
1578 1578  11. Have trouble to upload image.
1579 1579  
1580 1580  See this link for trouble shooting:
... ... @@ -1582,7 +1582,7 @@
1582 1582  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1583 1583  
1584 1584  
1585 -1.
1589 +1.
1586 1586  11. Why I can’t join TTN in US915 /AU915 bands?
1587 1587  
1588 1588  It might be about the channels mapping. Please see this link for detail:

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0