Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 57.3 >
edited by Xiaoling
on 2022/05/24 10:19
To version < 58.1 >
edited by Xiaoling
on 2022/05/24 10:24
>
Change comment: Uploaded new attachment "1653359097980-169.png", version {1}

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... ... @@ -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: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:/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: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:/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: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:/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  
... ... @@ -1385,65 +1385,63 @@
1385 1385  
1386 1386  If device has not joined network yet:
1387 1387  
1388 -123456
1388 +(% style="background-color:#dcdcdc" %)123456
1389 1389  
1390 -AT+FDR
1390 +(% style="background-color:#dcdcdc" %)AT+FDR
1391 1391  
1392 -123456
1392 +(% style="background-color:#dcdcdc" %)123456
1393 1393  
1394 -AT+NJM=0
1394 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1395 1395  
1396 -ATZ
1396 +(% style="background-color:#dcdcdc" %)ATZ
1397 1397  
1398 1398  
1399 1399  If device already joined network:
1400 1400  
1401 -AT+NJM=0
1401 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1402 1402  
1403 -ATZ
1403 +(% style="background-color:#dcdcdc" %)ATZ
1404 1404  
1405 -1.
1406 -11.
1407 -111. Single-channel ABP mode (Use with LG01/LG02)
1405 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1408 1408  
1409 -123456   Enter Password to have AT access.
1407 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1410 1410  
1411 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1409 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1412 1412  
1413 -123456   Enter Password to have AT access.
1411 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1414 1414  
1415 -AT+CLASS=C Set to work in CLASS C
1413 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1416 1416  
1417 -AT+NJM=0 Set to ABP mode
1415 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1418 1418  
1419 -AT+ADR=0 Set the Adaptive Data Rate Off
1417 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1420 1420  
1421 -AT+DR=5  Set Data Rate
1419 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1422 1422  
1423 -AT+TDC=60000  Set transmit interval to 60 seconds
1421 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1424 1424  
1425 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1423 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1426 1426  
1427 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1425 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1428 1428  
1429 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1427 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1430 1430  
1431 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
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.
1432 1432  
1433 -ATZ          Reset MCU
1431 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1434 1434  
1435 -**Note:**
1433 +(% style="color:red" %)**Note:**
1436 1436  
1437 -1. Make sure the device is set to ABP mode in the IoT Server.
1438 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1439 -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.
1440 -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
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
1441 1441  
1442 1442  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1443 1443  
1444 1444  
1445 1445  1.
1446 -11.
1444 +11.
1447 1447  111. Change to Class A
1448 1448  
1449 1449  If sensor JOINED
... ... @@ -1458,7 +1458,7 @@
1458 1458  
1459 1459  1. FAQ
1460 1460  
1461 -1.
1459 +1.
1462 1462  11. How to upgrade the image?
1463 1463  
1464 1464  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1517,7 +1517,7 @@
1517 1517  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1518 1518  
1519 1519  
1520 -1.
1518 +1.
1521 1521  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1522 1522  
1523 1523  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1576,7 +1576,7 @@
1576 1576  [[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]]
1577 1577  
1578 1578  
1579 -1.
1577 +1.
1580 1580  11. Have trouble to upload image.
1581 1581  
1582 1582  See this link for trouble shooting:
... ... @@ -1584,7 +1584,7 @@
1584 1584  [[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]]
1585 1585  
1586 1586  
1587 -1.
1585 +1.
1588 1588  11. Why I can’t join TTN in US915 /AU915 bands?
1589 1589  
1590 1590  It might be about the channels mapping. Please see this link for detail:
1653359097980-169.png
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