Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 16.1 >
edited by Xiaoling
on 2022/05/23 18:04
To version < 14.1 >
edited by Xiaoling
on 2022/05/23 17:57
>
Change comment: Uploaded new attachment "image-20220523175754-1.png", version {1}

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... ... @@ -190,12 +190,13 @@
190 190  * DI is for digital input. DIx=1: high or float, DIx=0: low.
191 191  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
192 192  
193 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
193 +Note: DI3 and DO3 bit are not valid for LT-22222-L
194 194  
195 -For example if payload is: [[image:image-20220523175847-2.png]]
196 196  
197 -**The value for the interface is:  **
196 +For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
198 198  
198 +The value for the interface is: 
199 +
199 199  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
200 200  
201 201  AVI2 channel voltage is 0x04AC/1000=1.196V
... ... @@ -209,8 +209,14 @@
209 209  * [1] RO1 relay channel is close and the RO1 LED is ON.
210 210  * [0] RO2 relay channel is open and RO2 LED is OFF;
211 211  
212 -**LT22222-L:**
213 +LT33222-L:
213 213  
215 +* [1] DI3 channel is high input and DI3 LED is OFF;
216 +* [0] DI2 channel is low input;
217 +* [1] DI1 channel is high input and DI1 LED is OFF;
218 +
219 +LT22222-L:
220 +
214 214  * [1] DI2 channel is high input and DI2 LED is ON;
215 215  * [0] DI1 channel is low input;
216 216  
... ... @@ -224,10 +224,16 @@
224 224  ** DO1 is high in case there is load between DO1 and V+.
225 225  ** DO1 LED is off in both case
226 226  
227 -=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
228 228  
235 +1.
236 +11.
237 +111. AT+MOD=2, (Double DI Counting)
238 +
239 +**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
240 +
229 229  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
230 230  
243 +
231 231  Total : 11 bytes payload
232 232  
233 233  (% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
... ... @@ -240,7 +240,7 @@
240 240  
241 241  **DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
242 242  
243 -(% border="1" style="background-color:#f7faff; width:500px" %)
256 +(% border="1" style="background-color:#f7faff" %)
244 244  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
245 245  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
246 246  
... ... @@ -293,8 +293,8 @@
293 293  
294 294  
295 295  
296 -1.
297 -11.
309 +1.
310 +11.
298 298  111. AT+MOD=3, Single DI Counting + 2 x ACI
299 299  
300 300  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -339,8 +339,8 @@
339 339  
340 340  
341 341  
342 -1.
343 -11.
355 +1.
356 +11.
344 344  111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
345 345  
346 346  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -394,8 +394,8 @@
394 394  
395 395  
396 396  
397 -1.
398 -11.
410 +1.
411 +11.
399 399  111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
400 400  
401 401  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -423,6 +423,7 @@
423 423  
424 424  )))|MOD
425 425  
439 +
426 426  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
427 427  
428 428  (% border="1" style="background-color:#f7faff" %)
... ... @@ -449,8 +449,8 @@
449 449  
450 450  
451 451  
452 -1.
453 -11.
466 +1.
467 +11.
454 454  111. AT+ADDMOD=6. (Trigger Mode, Optional)
455 455  
456 456  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -555,6 +555,7 @@
555 555  (6)
556 556  )))
557 557  
572 +
558 558  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
559 559  
560 560  (% border="1" style="background-color:#f7faff" %)
... ... @@ -672,8 +672,8 @@
672 672  When device got this command, it will send the MOD6 payload.
673 673  
674 674  
675 -1.
676 -11.
690 +1.
691 +11.
677 677  111. Payload Decoder
678 678  
679 679  **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/]]
... ... @@ -684,7 +684,7 @@
684 684  
685 685  
686 686  
687 -1.
702 +1.
688 688  11. ​Configure LT via AT or Downlink
689 689  
690 690  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -695,15 +695,15 @@
695 695  
696 696  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
697 697  
698 -1.
699 -11.
713 +1.
714 +11.
700 700  111. Common Commands:
701 701  
702 702  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
703 703  
704 704  
705 -1.
706 -11.
720 +1.
721 +11.
707 707  111. Sensor related commands:
708 708  
709 709  ==== Set Transmit Interval ====
... ... @@ -1162,7 +1162,7 @@
1162 1162  
1163 1163  
1164 1164  
1165 -1.
1180 +1.
1166 1166  11. Integrate with Mydevice
1167 1167  
1168 1168  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:
... ... @@ -1220,7 +1220,7 @@
1220 1220  
1221 1221  
1222 1222  1.
1223 -11.
1238 +11.
1224 1224  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1225 1225  
1226 1226  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1274,8 +1274,8 @@
1274 1274  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.
1275 1275  
1276 1276  
1277 -1.
1278 -11.
1292 +1.
1293 +11.
1279 1279  111. Digital Output Port: DO1/DO2 /DO3
1280 1280  
1281 1281  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1286,7 +1286,7 @@
1286 1286  
1287 1287  
1288 1288  1.
1289 -11.
1304 +11.
1290 1290  111. Analog Input Interface
1291 1291  
1292 1292  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:
... ... @@ -1319,7 +1319,7 @@
1319 1319  
1320 1320  
1321 1321  1.
1322 -11.
1337 +11.
1323 1323  111. Relay Output
1324 1324  
1325 1325  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:
... ... @@ -1371,6 +1371,7 @@
1371 1371  |**RO2**|
1372 1372  
1373 1373  
1389 +
1374 1374  1. Use AT Command
1375 1375  11. Access AT Command
1376 1376  
... ... @@ -1480,7 +1480,7 @@
1480 1480  
1481 1481  
1482 1482  
1483 -1.
1499 +1.
1484 1484  11. Common AT Command Sequence
1485 1485  111. Multi-channel ABP mode (Use with SX1301/LG308)
1486 1486  
... ... @@ -1503,8 +1503,8 @@
1503 1503  
1504 1504  ATZ
1505 1505  
1506 -1.
1507 -11.
1522 +1.
1523 +11.
1508 1508  111. Single-channel ABP mode (Use with LG01/LG02)
1509 1509  
1510 1510  123456   Enter Password to have AT access.
... ... @@ -1544,7 +1544,7 @@
1544 1544  
1545 1545  
1546 1546  1.
1547 -11.
1563 +11.
1548 1548  111. Change to Class A
1549 1549  
1550 1550  If sensor JOINED
... ... @@ -1559,7 +1559,7 @@
1559 1559  
1560 1560  1. FAQ
1561 1561  
1562 -1.
1578 +1.
1563 1563  11. How to upgrade the image?
1564 1564  
1565 1565  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1618,7 +1618,7 @@
1618 1618  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1619 1619  
1620 1620  
1621 -1.
1637 +1.
1622 1622  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1623 1623  
1624 1624  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1677,7 +1677,7 @@
1677 1677  [[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]]
1678 1678  
1679 1679  
1680 -1.
1696 +1.
1681 1681  11. Have trouble to upload image.
1682 1682  
1683 1683  See this link for trouble shooting:
... ... @@ -1685,7 +1685,7 @@
1685 1685  [[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]]
1686 1686  
1687 1687  
1688 -1.
1704 +1.
1689 1689  11. Why I can’t join TTN in US915 /AU915 bands?
1690 1690  
1691 1691  It might be about the channels mapping. Please see this link for detail:
image-20220523175847-2.png
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