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4 4  **LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 +**Table of Contents:**
7 7  
9 +{{toc/}}
8 8  
11 +
12 +
13 +
9 9  = 1.Introduction =
10 10  
11 11  == 1.1 What is LT Series I/O Controller ==
... ... @@ -330,11 +330,8 @@
330 330  
331 331  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
332 332  
338 +[[image:image-20220523181903-8.png]]
333 333  
334 -(% border="1" style="background-color:#f7faff; width:601px" %)
335 -|(% style="width:111px" %)Size(bytes)|(% style="width:85px" %)4|(% style="width:130px" %)4|(% style="width:92px" %)1|(% style="width:94px" %)1|(% style="width:86px" %)1
336 -|(% style="width:111px" %)Value|(% style="width:85px" %)COUNT1|(% style="width:130px" %)AVI1 Counting|(% style="width:92px" %)DIDORO*|(% style="width:94px" %)Reserve|(% style="width:86px" %)MOD
337 -
338 338  (((
339 339  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
340 340  )))
... ... @@ -345,96 +345,84 @@
345 345  * FIRST: Indicate this is the first packet after join network.
346 346  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
347 347  
348 -Note: DO3 is not valid for LT-22222-L.
350 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
349 349  
352 +**To use this mode, please run:**
350 350  
351 -To use this mode, please run:
354 +(% class="box infomessage" %)
355 +(((
356 +**AT+MOD=4**
357 +)))
352 352  
353 -AT+MOD=4
359 +(% class="box infomessage" %)
360 +(((
361 +**ATZ**
362 +)))
354 354  
355 -ATZ
356 356  
357 -
358 -
359 359  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
360 360  
361 -Plus below command for AVI1 Counting:
367 +**Plus below command for AVI1 Counting:**
362 362  
363 -AT+SETCNT=3,60   (set AVI Count to 60)
369 +(% class="box infomessage" %)
370 +(((
371 +**AT+SETCNT=3,60   (set AVI Count to 60)**
372 +)))
364 364  
365 -AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
374 +(% class="box infomessage" %)
375 +(((
376 +**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 +)))
366 366  
367 -AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
379 +(% class="box infomessage" %)
380 +(((
381 +**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 +)))
368 368  
369 -AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
384 +(% class="box infomessage" %)
385 +(((
386 +**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 +)))
370 370  
389 +=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
371 371  
372 -
373 -1.
374 -11.
375 -111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
376 -
377 -**LT33222-L**: This mode the DI3 is used as a counting pin.
378 -
379 379  **LT22222-L**: This mode the DI1 is used as a counting pin.
380 380  
393 +[[image:image-20220523182334-9.png]]
381 381  
382 -(% border="1" style="background-color:#f7faff" %)
383 -|Size(bytes)|2|2|2|2|1|1|1
384 -|Value|(((
385 -AVI1
395 +(((
396 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397 +)))
386 386  
387 -voltage
388 -)))|(((
389 -AVI2
390 390  
391 -voltage
392 -)))|(((
393 -ACI1
394 -
395 -Current
396 -)))|COUNT1|DIDORO*|(((
397 -Reserve
398 -
399 -
400 -)))|MOD
401 -
402 -**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
403 -
404 -(% border="1" style="background-color:#f7faff" %)
405 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
406 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
407 -
408 408  * RO is for relay. ROx=1 : close，ROx=0 always open.
409 409  * FIRST: Indicate this is the first packet after join network.
410 410  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
411 411  
412 -Note: DO3 is not valid for LT-22222-L.
404 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
413 413  
406 +**To use this mode, please run:**
414 414  
415 -To use this mode, please run:
408 +(% class="box infomessage" %)
409 +(((
410 +**AT+MOD=5**
411 +)))
416 416  
417 -AT+MOD=5
413 +(% class="box infomessage" %)
414 +(((
415 +**ATZ**
416 +)))
418 418  
419 -ATZ
420 -
421 -
422 422  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
423 423  
420 +=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
424 424  
422 +(% style="color:#4F81BD" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
425 425  
426 -
427 -
428 -1.
429 -11.
430 -111. AT+ADDMOD=6. (Trigger Mode, Optional)
431 -
432 -**This mode is an optional mode for trigger purpose. It can run together with other mode.**
433 -
434 434  For example, if user has configured below commands:
435 435  
436 -* AT+MOD=1   à The normal working mode
437 -* AT+ADDMOD6=1    à Enable trigger
426 +* AT+MOD=1   --> The normal working mode
427 +* AT+ADDMOD6=1    --> Enable trigger
438 438  
439 439  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
440 440  
... ... @@ -648,8 +648,8 @@
648 648  When device got this command, it will send the MOD6 payload.
649 649  
650 650  
651 -1.
652 -11.
641 +1.
642 +11.
653 653  111. Payload Decoder
654 654  
655 655  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
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660 660  
661 661  
662 662  
663 -1.
653 +1.
664 664  11. ​Configure LT via AT or Downlink
665 665  
666 666  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
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671 671  
672 672  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
673 673  
674 -1.
675 -11.
664 +1.
665 +11.
676 676  111. Common Commands:
677 677  
678 678  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
679 679  
680 680  
681 -1.
682 -11.
671 +1.
672 +11.
683 683  111. Sensor related commands:
684 684  
685 685  ==== Set Transmit Interval ====
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1138 1138  
1139 1139  
1140 1140  
1141 -1.
1131 +1.
1142 1142  11. Integrate with Mydevice
1143 1143  
1144 1144  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:
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1196 1196  
1197 1197  
1198 1198  1.
1199 -11.
1189 +11.
1200 1200  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1201 1201  
1202 1202  The DI port of LT-22222-L can support NPN or PNP output sensor.
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1250 1250  If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1251 1251  
1252 1252  
1253 -1.
1254 -11.
1243 +1.
1244 +11.
1255 1255  111. Digital Output Port: DO1/DO2 /DO3
1256 1256  
1257 1257  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
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1262 1262  
1263 1263  
1264 1264  1.
1265 -11.
1255 +11.
1266 1266  111. Analog Input Interface
1267 1267  
1268 1268  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:
... ... @@ -1295,7 +1295,7 @@
1295 1295  
1296 1296  
1297 1297  1.
1298 -11.
1288 +11.
1299 1299  111. Relay Output
1300 1300  
1301 1301  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
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1455 1455  
1456 1456  
1457 1457  
1458 -1.
1448 +1.
1459 1459  11. Common AT Command Sequence
1460 1460  111. Multi-channel ABP mode (Use with SX1301/LG308)
1461 1461  
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1478 1478  
1479 1479  ATZ
1480 1480  
1481 -1.
1482 -11.
1471 +1.
1472 +11.
1483 1483  111. Single-channel ABP mode (Use with LG01/LG02)
1484 1484  
1485 1485  123456   Enter Password to have AT access.
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1519 1519  
1520 1520  
1521 1521  1.
1522 -11.
1512 +11.
1523 1523  111. Change to Class A
1524 1524  
1525 1525  If sensor JOINED
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1534 1534  
1535 1535  1. FAQ
1536 1536  
1537 -1.
1527 +1.
1538 1538  11. How to upgrade the image?
1539 1539  
1540 1540  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1593,7 +1593,7 @@
1593 1593  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1594 1594  
1595 1595  
1596 -1.
1586 +1.
1597 1597  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1598 1598  
1599 1599  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1652,7 +1652,7 @@
1652 1652  [[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]]
1653 1653  
1654 1654  
1655 -1.
1645 +1.
1656 1656  11. Have trouble to upload image.
1657 1657  
1658 1658  See this link for trouble shooting:
... ... @@ -1660,7 +1660,7 @@
1660 1660  [[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]]
1661 1661  
1662 1662  
1663 -1.
1653 +1.
1664 1664  11. Why I can’t join TTN in US915 /AU915 bands?
1665 1665  
1666 1666  It might be about the channels mapping. Please see this link for detail:
image-20220523182334-9.png
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