Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 23.2 >
edited by Xiaoling
on 2022/05/24 08:43
To version < 14.1 >
edited by Xiaoling
on 2022/05/23 17:57
>
Change comment: Uploaded new attachment "image-20220523175754-1.png", version {1}

Summary

Details

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Content
... ... @@ -4,13 +4,8 @@
4 4  **LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 -**Table of Contents:**
8 8  
9 -{{toc/}}
10 10  
11 -
12 -
13 -
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -187,9 +187,7 @@
187 187  
188 188  [[image:image-20220523174024-3.png]]
189 189  
190 -(((
191 191  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
192 -)))
193 193  
194 194  [[image:image-20220523174254-4.png]]
195 195  
... ... @@ -197,12 +197,13 @@
197 197  * DI is for digital input. DIx=1: high or float, DIx=0: low.
198 198  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
199 199  
200 -(% 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
201 201  
202 -For example if payload is: [[image:image-20220523175847-2.png]]
203 203  
204 -**The value for the interface is:  **
196 +For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
205 205  
198 +The value for the interface is: 
199 +
206 206  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
207 207  
208 208  AVI2 channel voltage is 0x04AC/1000=1.196V
... ... @@ -216,8 +216,14 @@
216 216  * [1] RO1 relay channel is close and the RO1 LED is ON.
217 217  * [0] RO2 relay channel is open and RO2 LED is OFF;
218 218  
219 -**LT22222-L:**
213 +LT33222-L:
220 220  
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 +
221 221  * [1] DI2 channel is high input and DI2 LED is ON;
222 222  * [0] DI1 channel is low input;
223 223  
... ... @@ -231,194 +231,242 @@
231 231  ** DO1 is high in case there is load between DO1 and V+.
232 232  ** DO1 LED is off in both case
233 233  
234 -=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
235 235  
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 +
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
243 +
238 238  Total : 11 bytes payload
239 239  
240 -[[image:image-20220523180452-3.png]]
246 +(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
247 +|Size(bytes)|4|4|1|1|1
248 +|Value|COUNT1|COUNT2 |DIDORO*|(((
249 +Reserve
241 241  
242 -(((
243 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
244 -)))
251 +
252 +)))|MOD
245 245  
246 -[[image:image-20220523180506-4.png]]
254 +**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
247 247  
256 +(% border="1" style="background-color:#f7faff" %)
257 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
258 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
259 +
248 248  * RO is for relay. ROx=1 : close，ROx=0 always open.
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
252 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
264 +Note: DO3 bit is not valid for LT-22222-L.
253 253  
254 -**To use counting mode, please run:**
255 255  
256 -(% class="box infomessage" %)
257 -(((
258 -**AT+MOD=2**
259 -)))
267 +To use counting mode, please run:
260 260  
261 -(% class="box infomessage" %)
262 -(((
263 -**ATZ**
264 -)))
269 +AT+MOD=2
265 265  
266 -(% style="color:#4f81bd" %)**AT Commands for counting:**
271 +ATZ
267 267  
273 +
274 +AT Commands for counting:
275 +
276 +**For LT33222-L:**
277 +
278 +AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
279 +
280 +AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
281 +
282 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
283 +
284 +
268 268  **For LT22222-L:**
269 269  
270 -(% class="box infomessage" %)
271 -(((
272 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 -)))
287 +AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
274 274  
275 -(% class="box infomessage" %)
276 -(((
277 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 -)))
289 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
279 279  
280 -(% class="box infomessage" %)
281 -(((
282 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 -)))
291 +AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
284 284  
285 -(% class="box infomessage" %)
286 -(((
287 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 -)))
293 +AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
289 289  
290 -(% class="box infomessage" %)
291 -(((
292 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 -)))
294 294  
295 -(% class="box infomessage" %)
296 -(((
297 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 -)))
296 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
299 299  
300 -=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
298 +AT+SETCNT=2,60   (Set COUNT2 value to 60)
301 301  
300 +
301 +**For both LT22222-L & LT33222-L**:
302 +
303 +AT+CLRCOUNT clear all countings
304 +
305 +AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
306 +
307 +
308 +
309 +1.
310 +11.
311 +111. AT+MOD=3, Single DI Counting + 2 x ACI
312 +
313 +**LT33222-L**: This mode the DI3 is used as a counting pin.
314 +
302 302  **LT22222-L**: This mode the DI1 is used as a counting pin.
303 303  
304 -[[image:image-20220523181246-5.png]]
305 305  
306 -(((
307 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
308 -)))
318 +(% border="1" style="background-color:#f7faff" %)
319 +|Size(bytes)|4|2|2|1|1|1
320 +|Value|COUNT1|(((
321 +ACI1
309 309  
310 -[[image:image-20220523181301-6.png]]
323 +Current
324 +)))|(((
325 +ACI2
311 311  
327 +Current
328 +)))|DIDORO*|Reserve|MOD
329 +
330 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
331 +
332 +(% border="1" style="background-color:#f7faff" %)
333 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
334 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
335 +
312 312  * RO is for relay. ROx=1 : close，ROx=0 always open.
313 313  * FIRST: Indicate this is the first packet after join network.
314 314  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315 315  
316 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
340 +Note: DO3 is not valid for LT-22222-L.
317 317  
318 -**To use counting mode, please run:**
319 319  
320 -(% class="box infomessage" %)
321 -(((
322 -**AT+MOD=3**
323 -)))
343 +To use counting mode, please run:
324 324  
325 -(% class="box infomessage" %)
326 -(((
327 -**ATZ**
328 -)))
345 +AT+MOD=3
329 329  
347 +ATZ
348 +
349 +
330 330  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
331 331  
332 -=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
353 +
354 +
355 +1.
356 +11.
357 +111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
358 +
359 +**LT33222-L**: This mode the DI3 is used as a counting pin.
360 +
334 334  **LT22222-L**: This mode the DI1 is used as a counting pin.
335 335  
363 +
336 336  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.
337 337  
338 -[[image:image-20220523181903-8.png]]
339 339  
340 -(((
341 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
342 -)))
367 +(% border="1" style="background-color:#f7faff" %)
368 +|Size(bytes)|4|4|1|1|1
369 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
370 +Reserve
343 343  
344 -[[image:image-20220523181727-7.png]]
372 +
373 +)))|MOD
345 345  
375 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
376 +
377 +(% border="1" style="background-color:#f7faff" %)
378 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
379 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
380 +
346 346  * RO is for relay. ROx=1 : close，ROx=0 always open.
347 347  * FIRST: Indicate this is the first packet after join network.
348 348  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349 349  
350 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
385 +Note: DO3 is not valid for LT-22222-L.
351 351  
352 -**To use this mode, please run:**
353 353  
354 -(% class="box infomessage" %)
355 -(((
356 -**AT+MOD=4**
357 -)))
388 +To use this mode, please run:
358 358  
359 -(% class="box infomessage" %)
360 -(((
361 -**ATZ**
362 -)))
390 +AT+MOD=4
363 363  
392 +ATZ
364 364  
394 +
395 +
365 365  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
366 366  
367 -**Plus below command for AVI1 Counting:**
398 +Plus below command for AVI1 Counting:
368 368  
369 -(% class="box infomessage" %)
370 -(((
371 -**AT+SETCNT=3,60   (set AVI Count to 60)**
372 -)))
400 +AT+SETCNT=3,60   (set AVI Count to 60)
373 373  
374 -(% class="box infomessage" %)
375 -(((
376 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 -)))
402 +AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
378 378  
379 -(% class="box infomessage" %)
380 -(((
381 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 -)))
404 +AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
383 383  
384 -(% class="box infomessage" %)
385 -(((
386 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 -)))
406 +AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
388 388  
389 -=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390 390  
409 +
410 +1.
411 +11.
412 +111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
413 +
414 +**LT33222-L**: This mode the DI3 is used as a counting pin.
415 +
391 391  **LT22222-L**: This mode the DI1 is used as a counting pin.
392 392  
393 -[[image:image-20220523182334-9.png]]
394 394  
395 -(((
396 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397 -)))
419 +(% border="1" style="background-color:#f7faff" %)
420 +|Size(bytes)|2|2|2|2|1|1|1
421 +|Value|(((
422 +AVI1
398 398  
424 +voltage
425 +)))|(((
426 +AVI2
399 399  
428 +voltage
429 +)))|(((
430 +ACI1
431 +
432 +Current
433 +)))|COUNT1|DIDORO*|(((
434 +Reserve
435 +
436 +
437 +)))|MOD
438 +
439 +
440 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
441 +
442 +(% border="1" style="background-color:#f7faff" %)
443 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
444 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
445 +
400 400  * RO is for relay. ROx=1 : close，ROx=0 always open.
401 401  * FIRST: Indicate this is the first packet after join network.
402 402  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
403 403  
404 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
450 +Note: DO3 is not valid for LT-22222-L.
405 405  
406 -**To use this mode, please run:**
407 407  
408 -(% class="box infomessage" %)
409 -(((
410 -**AT+MOD=5**
411 -)))
453 +To use this mode, please run:
412 412  
413 -(% class="box infomessage" %)
414 -(((
415 -**ATZ**
416 -)))
455 +AT+MOD=5
417 417  
457 +ATZ
458 +
459 +
418 418  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
419 419  
420 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
421 421  
463 +
464 +
465 +
466 +1.
467 +11.
468 +111. AT+ADDMOD=6. (Trigger Mode, Optional)
469 +
422 422  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
423 423  
424 424  For example, if user has configured below commands:
... ... @@ -521,6 +521,7 @@
521 521  (6)
522 522  )))
523 523  
572 +
524 524  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
525 525  
526 526  (% border="1" style="background-color:#f7faff" %)
... ... @@ -638,8 +638,8 @@
638 638  When device got this command, it will send the MOD6 payload.
639 639  
640 640  
641 -1.
642 -11.
690 +1.
691 +11.
643 643  111. Payload Decoder
644 644  
645 645  **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/]]
... ... @@ -650,7 +650,7 @@
650 650  
651 651  
652 652  
653 -1.
702 +1.
654 654  11. ​Configure LT via AT or Downlink
655 655  
656 656  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -661,15 +661,15 @@
661 661  
662 662  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
663 663  
664 -1.
665 -11.
713 +1.
714 +11.
666 666  111. Common Commands:
667 667  
668 668  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
669 669  
670 670  
671 -1.
672 -11.
720 +1.
721 +11.
673 673  111. Sensor related commands:
674 674  
675 675  ==== Set Transmit Interval ====
... ... @@ -1128,7 +1128,7 @@
1128 1128  
1129 1129  
1130 1130  
1131 -1.
1180 +1.
1132 1132  11. Integrate with Mydevice
1133 1133  
1134 1134  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:
... ... @@ -1186,7 +1186,7 @@
1186 1186  
1187 1187  
1188 1188  1.
1189 -11.
1238 +11.
1190 1190  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1191 1191  
1192 1192  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1240,8 +1240,8 @@
1240 1240  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.
1241 1241  
1242 1242  
1243 -1.
1244 -11.
1292 +1.
1293 +11.
1245 1245  111. Digital Output Port: DO1/DO2 /DO3
1246 1246  
1247 1247  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1252,7 +1252,7 @@
1252 1252  
1253 1253  
1254 1254  1.
1255 -11.
1304 +11.
1256 1256  111. Analog Input Interface
1257 1257  
1258 1258  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:
... ... @@ -1285,7 +1285,7 @@
1285 1285  
1286 1286  
1287 1287  1.
1288 -11.
1337 +11.
1289 1289  111. Relay Output
1290 1290  
1291 1291  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:
... ... @@ -1336,6 +1336,8 @@
1336 1336  |**RO1**|
1337 1337  |**RO2**|
1338 1338  
1388 +
1389 +
1339 1339  1. Use AT Command
1340 1340  11. Access AT Command
1341 1341  
... ... @@ -1445,7 +1445,7 @@
1445 1445  
1446 1446  
1447 1447  
1448 -1.
1499 +1.
1449 1449  11. Common AT Command Sequence
1450 1450  111. Multi-channel ABP mode (Use with SX1301/LG308)
1451 1451  
... ... @@ -1468,8 +1468,8 @@
1468 1468  
1469 1469  ATZ
1470 1470  
1471 -1.
1472 -11.
1522 +1.
1523 +11.
1473 1473  111. Single-channel ABP mode (Use with LG01/LG02)
1474 1474  
1475 1475  123456   Enter Password to have AT access.
... ... @@ -1509,7 +1509,7 @@
1509 1509  
1510 1510  
1511 1511  1.
1512 -11.
1563 +11.
1513 1513  111. Change to Class A
1514 1514  
1515 1515  If sensor JOINED
... ... @@ -1524,7 +1524,7 @@
1524 1524  
1525 1525  1. FAQ
1526 1526  
1527 -1.
1578 +1.
1528 1528  11. How to upgrade the image?
1529 1529  
1530 1530  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1583,7 +1583,7 @@
1583 1583  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1584 1584  
1585 1585  
1586 -1.
1637 +1.
1587 1587  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1588 1588  
1589 1589  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1642,7 +1642,7 @@
1642 1642  [[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]]
1643 1643  
1644 1644  
1645 -1.
1696 +1.
1646 1646  11. Have trouble to upload image.
1647 1647  
1648 1648  See this link for trouble shooting:
... ... @@ -1650,7 +1650,7 @@
1650 1650  [[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]]
1651 1651  
1652 1652  
1653 -1.
1704 +1.
1654 1654  11. Why I can’t join TTN in US915 /AU915 bands?
1655 1655  
1656 1656  It might be about the channels mapping. Please see this link for detail:
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