Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 22.3 >
edited by Xiaoling
on 2022/05/23 18:26
To version < 13.4 >
edited by Xiaoling
on 2022/05/23 17:49
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -43,7 +43,7 @@
43 43  **Hardware System:**
44 44  
45 45  * STM32L072CZT6 MCU
46 -* SX1276/78 Wireless Chip 
46 +* SX1276/78 Wireless Chip
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
49 49  ** 20dB Transmit: 34mA@12v
... ... @@ -55,7 +55,7 @@
55 55  * 2 x Relay Output (5A@250VAC / 30VDC)
56 56  * 2 x 0~~20mA Analog Input (res:0.01mA)
57 57  * 2 x 0~~30V Analog Input (res:0.01v)
58 -* Power Input 7~~ 24V DC. 
58 +* Power Input 7~~ 24V DC.
59 59  
60 60  **LoRa Spec:**
61 61  
... ... @@ -99,7 +99,7 @@
99 99  
100 100  == 1.5 Hardware Variants ==
101 101  
102 -(% border="1" style="background-color:#f7faff; width:500px" %)
102 +(% border="1" cellpadding="2" style="background-color:#f7faff; width:540px" %)
103 103  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 104  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
105 105  * 2 x Digital Input (Bi-direction)
... ... @@ -122,7 +122,7 @@
122 122  
123 123  = 3. Operation Mode =
124 124  
125 -== 3.1 How it works? ==
125 +== 3.1 How it works? ==
126 126  
127 127  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
128 128  
... ... @@ -130,7 +130,7 @@
130 130  
131 131  3.2 Example to join LoRaWAN network
132 132  
133 -This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
133 +This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
134 134  
135 135  [[image:image-20220523172350-1.png||height="266" width="864"]]
136 136  
... ... @@ -153,7 +153,7 @@
153 153  
154 154  Add APP EUI in the application.
155 155  
156 -[[image:1653297955910-247.png||height="321" width="716"]]
156 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
157 157  
158 158  Add APP KEY and DEV EUI
159 159  
... ... @@ -165,7 +165,7 @@
165 165  
166 166  [[image:1653298044601-602.png||height="405" width="709"]]
167 167  
168 -== 3.3 Uplink Payload ==
168 +== [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]3.3 Uplink Payload ==
169 169  
170 170  There are five working modes + one interrupt mode on LT for different type application:
171 171  
... ... @@ -182,10 +182,9 @@
182 182  
183 183  [[image:image-20220523174024-3.png]]
184 184  
185 -(((
186 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
187 -)))
188 188  
186 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
187 +
189 189  [[image:image-20220523174254-4.png]]
190 190  
191 191  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -192,12 +192,13 @@
192 192  * DI is for digital input. DIx=1: high or float, DIx=0: low.
193 193  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
194 194  
195 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
194 +Note: DI3 and DO3 bit are not valid for LT-22222-L
196 196  
197 -For example if payload is: [[image:image-20220523175847-2.png]]
198 198  
199 -**The value for the interface is:  **
197 +For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
200 200  
199 +The value for the interface is:
200 +
201 201  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
202 202  
203 203  AVI2 channel voltage is 0x04AC/1000=1.196V
... ... @@ -211,11 +211,18 @@
211 211  * [1] RO1 relay channel is close and the RO1 LED is ON.
212 212  * [0] RO2 relay channel is open and RO2 LED is OFF;
213 213  
214 -**LT22222-L:**
214 +LT33222-L:
215 215  
216 +* [1] DI3 channel is high input and DI3 LED is OFF;
217 +* [0] DI2 channel is low input;
218 +* [1] DI1 channel is high input and DI1 LED is OFF;
219 +
220 +LT22222-L:
221 +
216 216  * [1] DI2 channel is high input and DI2 LED is ON;
217 217  * [0] DI1 channel is low input;
218 218  
225 +
219 219  * [0] DO3 channel output state
220 220  ** DO3 is float in case no load between DO3 and V+.;
221 221  ** DO3 is high in case there is load between DO3 and V+.
... ... @@ -226,190 +226,238 @@
226 226  ** DO1 is high in case there is load between DO1 and V+.
227 227  ** DO1 LED is off in both case
228 228  
229 -=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
230 230  
237 +
238 +1.
239 +11.
240 +111. AT+MOD=2, (Double DI Counting)
241 +
242 +**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
243 +
231 231  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
232 232  
246 +
233 233  Total : 11 bytes payload
234 234  
235 -[[image:image-20220523180452-3.png]]
249 +(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
250 +|Size(bytes)|4|4|1|1|1
251 +|Value|COUNT1|COUNT2 |DIDORO*|(((
252 +Reserve
236 236  
237 -(((
238 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
239 -)))
254 +
255 +)))|MOD
240 240  
241 -[[image:image-20220523180506-4.png]]
242 242  
258 +**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
259 +
260 +(% border="1" style="background-color:#f7faff" %)
261 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
262 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
263 +
243 243  * RO is for relay. ROx=1 : close，ROx=0 always open.
244 244  * FIRST: Indicate this is the first packet after join network.
245 245  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
246 246  
247 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
268 +Note: DO3 bit is not valid for LT-22222-L.
248 248  
249 -**To use counting mode, please run:**
250 250  
251 -(% class="box infomessage" %)
252 -(((
253 -**AT+MOD=2**
254 -)))
271 +To use counting mode, please run:
255 255  
256 -(% class="box infomessage" %)
257 -(((
258 -**ATZ**
259 -)))
273 +AT+MOD=2
260 260  
261 -(% style="color:#4f81bd" %)**AT Commands for counting:**
275 +ATZ
262 262  
277 +
278 +AT Commands for counting:
279 +
280 +**For LT33222-L:**
281 +
282 +AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
283 +
284 +AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
285 +
286 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
287 +
288 +
263 263  **For LT22222-L:**
264 264  
265 -(% class="box infomessage" %)
266 -(((
267 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
268 -)))
291 +AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
269 269  
270 -(% class="box infomessage" %)
271 -(((
272 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
273 -)))
293 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
274 274  
275 -(% class="box infomessage" %)
276 -(((
277 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
278 -)))
295 +AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
279 279  
280 -(% class="box infomessage" %)
281 -(((
282 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
283 -)))
297 +AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
284 284  
285 -(% class="box infomessage" %)
286 -(((
287 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
288 -)))
289 289  
290 -(% class="box infomessage" %)
291 -(((
292 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
293 -)))
300 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
294 294  
295 -=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
302 +AT+SETCNT=2,60   (Set COUNT2 value to 60)
296 296  
304 +
305 +**For both LT22222-L & LT33222-L**:
306 +
307 +AT+CLRCOUNT clear all countings
308 +
309 +AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
310 +
311 +
312 +
313 +1.
314 +11.
315 +111. AT+MOD=3, Single DI Counting + 2 x ACI
316 +
317 +**LT33222-L**: This mode the DI3 is used as a counting pin.
318 +
297 297  **LT22222-L**: This mode the DI1 is used as a counting pin.
298 298  
299 -[[image:image-20220523181246-5.png]]
300 300  
301 -(((
302 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
303 -)))
322 +(% border="1" style="background-color:#f7faff" %)
323 +|Size(bytes)|4|2|2|1|1|1
324 +|Value|COUNT1|(((
325 +ACI1
304 304  
305 -[[image:image-20220523181301-6.png]]
327 +Current
328 +)))|(((
329 +ACI2
306 306  
331 +Current
332 +)))|DIDORO*|Reserve|MOD
333 +
334 +
335 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
336 +
337 +(% border="1" style="background-color:#f7faff" %)
338 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
339 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
340 +
307 307  * RO is for relay. ROx=1 : close，ROx=0 always open.
308 308  * FIRST: Indicate this is the first packet after join network.
309 309  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
310 310  
311 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
345 +Note: DO3 is not valid for LT-22222-L.
312 312  
313 -**To use counting mode, please run:**
314 314  
315 -(% class="box infomessage" %)
316 -(((
317 -**AT+MOD=3**
318 -)))
348 +To use counting mode, please run:
319 319  
320 -(% class="box infomessage" %)
321 -(((
322 -**ATZ**
323 -)))
350 +AT+MOD=3
324 324  
352 +ATZ
353 +
354 +
325 325  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
326 326  
327 -=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
328 328  
358 +
359 +
360 +1.
361 +11.
362 +111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
363 +
364 +**LT33222-L**: This mode the DI3 is used as a counting pin.
365 +
329 329  **LT22222-L**: This mode the DI1 is used as a counting pin.
330 330  
368 +
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  
333 -[[image:image-20220523181903-8.png]]
334 334  
335 -(((
336 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
337 -)))
372 +(% border="1" style="background-color:#f7faff" %)
373 +|Size(bytes)|4|4|1|1|1
374 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
375 +Reserve
338 338  
339 -[[image:image-20220523181727-7.png]]
377 +
378 +)))|MOD
340 340  
380 +
381 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
382 +
383 +(% border="1" style="background-color:#f7faff" %)
384 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
385 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
386 +
341 341  * RO is for relay. ROx=1 : close，ROx=0 always open.
342 342  * FIRST: Indicate this is the first packet after join network.
343 343  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
344 344  
345 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
391 +Note: DO3 is not valid for LT-22222-L.
346 346  
347 -**To use this mode, please run:**
348 348  
349 -(% class="box infomessage" %)
350 -(((
351 -**AT+MOD=4**
352 -)))
394 +To use this mode, please run:
353 353  
354 -(% class="box infomessage" %)
355 -(((
356 -**ATZ**
357 -)))
396 +AT+MOD=4
358 358  
398 +ATZ
359 359  
400 +
401 +
360 360  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
361 361  
362 -**Plus below command for AVI1 Counting:**
404 +Plus below command for AVI1 Counting:
363 363  
364 -(% class="box infomessage" %)
365 -(((
366 -**AT+SETCNT=3,60   (set AVI Count to 60)**
367 -)))
406 +AT+SETCNT=3,60   (set AVI Count to 60)
368 368  
369 -(% class="box infomessage" %)
370 -(((
371 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
372 -)))
408 +AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
373 373  
374 -(% class="box infomessage" %)
375 -(((
376 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
377 -)))
410 +AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
378 378  
379 -(% class="box infomessage" %)
380 -(((
381 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
382 -)))
412 +AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
383 383  
384 -=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
385 385  
415 +
416 +1.
417 +11.
418 +111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
419 +
420 +
421 +**LT33222-L**: This mode the DI3 is used as a counting pin.
422 +
386 386  **LT22222-L**: This mode the DI1 is used as a counting pin.
387 387  
388 -[[image:image-20220523182334-9.png]]
389 389  
390 -(((
391 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
392 -)))
426 +(% border="1" style="background-color:#f7faff" %)
427 +|Size(bytes)|2|2|2|2|1|1|1
428 +|Value|(((
429 +AVI1
393 393  
431 +voltage
432 +)))|(((
433 +AVI2
394 394  
435 +voltage
436 +)))|(((
437 +ACI1
438 +
439 +Current
440 +)))|COUNT1|DIDORO*|(((
441 +Reserve
442 +
443 +
444 +)))|MOD
445 +
446 +
447 +
448 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
449 +
450 +(% border="1" style="background-color:#f7faff" %)
451 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
452 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
453 +
395 395  * RO is for relay. ROx=1 : close，ROx=0 always open.
396 396  * FIRST: Indicate this is the first packet after join network.
397 397  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
398 398  
399 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
458 +Note: DO3 is not valid for LT-22222-L.
400 400  
401 -**To use this mode, please run:**
402 402  
403 -(% class="box infomessage" %)
404 -(((
405 -**AT+MOD=5**
406 -)))
461 +To use this mode, please run:
407 407  
408 -(% class="box infomessage" %)
409 -(((
410 -**ATZ**
411 -)))
463 +AT+MOD=5
412 412  
465 +ATZ
466 +
467 +
413 413  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
414 414  
415 415  
... ... @@ -416,10 +416,11 @@
416 416  
417 417  
418 418  
419 -1.
420 -11.
474 +1.
475 +11.
421 421  111. AT+ADDMOD=6. (Trigger Mode, Optional)
422 422  
478 +
423 423  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
424 424  
425 425  For example, if user has configured below commands:
... ... @@ -427,11 +427,13 @@
427 427  * AT+MOD=1   à The normal working mode
428 428  * AT+ADDMOD6=1    à Enable trigger
429 429  
486 +
430 430  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
431 431  
432 432  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
433 433  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN **CONFIRMED data type.**
434 434  
492 +
435 435  **AT Command to set Trigger Condition**:
436 436  
437 437  **Trigger base on voltage**:
... ... @@ -522,6 +522,8 @@
522 522  (6)
523 523  )))
524 524  
583 +
584 +
525 525  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
526 526  
527 527  (% border="1" style="background-color:#f7faff" %)
... ... @@ -639,10 +639,11 @@
639 639  When device got this command, it will send the MOD6 payload.
640 640  
641 641  
642 -1.
643 -11.
702 +1.
703 +11.
644 644  111. Payload Decoder
645 645  
706 +
646 646  **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/]]
647 647  
648 648  
... ... @@ -651,7 +651,7 @@
651 651  
652 652  
653 653  
654 -1.
715 +1.
655 655  11. ​Configure LT via AT or Downlink
656 656  
657 657  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -662,17 +662,20 @@
662 662  
663 663  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
664 664  
665 -1.
666 -11.
726 +
727 +1.
728 +11.
667 667  111. Common Commands:
668 668  
731 +
669 669  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
670 670  
671 671  
672 -1.
673 -11.
735 +1.
736 +11.
674 674  111. Sensor related commands:
675 675  
739 +
676 676  ==== Set Transmit Interval ====
677 677  
678 678  Set device uplink interval.
... ... @@ -916,6 +916,7 @@
916 916  |0x00|DO1 set to high
917 917  |0x11|DO1 NO Action
918 918  
983 +
919 919  **Fourth Byte**: Control Method and Ports status:
920 920  
921 921  (% border="1" style="background-color:#f7faff" %)
... ... @@ -924,6 +924,7 @@
924 924  |0x00|DO2 set to high
925 925  |0x11|DO2 NO Action
926 926  
992 +
927 927  **Fifth Byte**: Control Method and Ports status:
928 928  
929 929  (% border="1" style="background-color:#f7faff" %)
... ... @@ -1028,6 +1028,7 @@
1028 1028  |0x02|RO1 to NC, RO2 No Action
1029 1029  |0x12|RO1 to NO, RO2 No Action
1030 1030  
1097 +
1031 1031  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1032 1032  
1033 1033  Device will upload a packet if downlink code executes successfully.
... ... @@ -1129,9 +1129,10 @@
1129 1129  
1130 1130  
1131 1131  
1132 -1.
1199 +1.
1133 1133  11. Integrate with Mydevice
1134 1134  
1202 +
1135 1135  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:
1136 1136  
1137 1137  
... ... @@ -1176,7 +1176,7 @@
1176 1176  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1177 1177  
1178 1178  
1179 -1.
1247 +1.
1180 1180  11. Interface Detail
1181 1181  111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1182 1182  
... ... @@ -1186,8 +1186,8 @@
1186 1186  
1187 1187  
1188 1188  
1189 -1.
1190 -11.
1257 +1.
1258 +11.
1191 1191  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1192 1192  
1193 1193  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1229,7 +1229,7 @@
1229 1229  
1230 1230  **Example3**: Connect to a 220v high active sensor.公司测试一下
1231 1231  
1232 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1300 +Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 
1233 1233  
1234 1234  * Connect sensor’s output to DI1+ with a serial 50K resistor
1235 1235  * Connect sensor’s GND DI1-.
... ... @@ -1241,8 +1241,8 @@
1241 1241  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.
1242 1242  
1243 1243  
1244 -1.
1245 -11.
1312 +1.
1313 +11.
1246 1246  111. Digital Output Port: DO1/DO2 /DO3
1247 1247  
1248 1248  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1252,8 +1252,8 @@
1252 1252  
1253 1253  
1254 1254  
1255 -1.
1256 -11.
1323 +1.
1324 +11.
1257 1257  111. Analog Input Interface
1258 1258  
1259 1259  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:
... ... @@ -1285,8 +1285,8 @@
1285 1285  
1286 1286  
1287 1287  
1288 -1.
1289 -11.
1356 +1.
1357 +11.
1290 1290  111. Relay Output
1291 1291  
1292 1292  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:
... ... @@ -1300,9 +1300,10 @@
1300 1300  
1301 1301  
1302 1302  
1303 -1.
1371 +1.
1304 1304  11. LEDs Indicators
1305 1305  
1374 +
1306 1306  (% border="1" style="background-color:#f7faff" %)
1307 1307  |**LEDs**|**Feature**
1308 1308  |**PWR**|Always on if there is power
... ... @@ -1337,6 +1337,9 @@
1337 1337  |**RO1**|
1338 1338  |**RO2**|
1339 1339  
1409 +
1410 +
1411 +
1340 1340  1. Use AT Command
1341 1341  11. Access AT Command
1342 1342  
... ... @@ -1446,7 +1446,7 @@
1446 1446  
1447 1447  
1448 1448  
1449 -1.
1521 +1.
1450 1450  11. Common AT Command Sequence
1451 1451  111. Multi-channel ABP mode (Use with SX1301/LG308)
1452 1452  
... ... @@ -1469,8 +1469,8 @@
1469 1469  
1470 1470  ATZ
1471 1471  
1472 -1.
1473 -11.
1544 +1.
1545 +11.
1474 1474  111. Single-channel ABP mode (Use with LG01/LG02)
1475 1475  
1476 1476  123456   Enter Password to have AT access.
... ... @@ -1509,10 +1509,11 @@
1509 1509  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1510 1510  
1511 1511  
1512 -1.
1513 -11.
1584 +1.
1585 +11.
1514 1514  111. Change to Class A
1515 1515  
1588 +
1516 1516  If sensor JOINED
1517 1517  
1518 1518  AT+CLASS=A
... ... @@ -1525,7 +1525,8 @@
1525 1525  
1526 1526  1. FAQ
1527 1527  
1528 -1.
1601 +
1602 +1.
1529 1529  11. How to upgrade the image?
1530 1530  
1531 1531  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1534,6 +1534,7 @@
1534 1534  * For bug fix
1535 1535  * Change LoRaWAN bands.
1536 1536  
1611 +
1537 1537  Below shows the hardware connection for how to upload an image to the LT:
1538 1538  
1539 1539  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
... ... @@ -1578,13 +1578,13 @@
1578 1578  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1579 1579  
1580 1580  
1581 -1.
1656 +1.
1582 1582  11. How to change the LoRa Frequency Bands/Region?
1583 1583  
1584 1584  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1585 1585  
1586 1586  
1587 -1.
1662 +1.
1588 1588  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1589 1589  
1590 1590  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1627,7 +1627,7 @@
1627 1627  
1628 1628  
1629 1629  
1630 -1.
1705 +1.
1631 1631  11. Can I see counting event in Serial?
1632 1632  
1633 1633  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
... ... @@ -1643,7 +1643,7 @@
1643 1643  [[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]]
1644 1644  
1645 1645  
1646 -1.
1721 +1.
1647 1647  11. Have trouble to upload image.
1648 1648  
1649 1649  See this link for trouble shooting:
... ... @@ -1651,7 +1651,7 @@
1651 1651  [[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]]
1652 1652  
1653 1653  
1654 -1.
1729 +1.
1655 1655  11. Why I can’t join TTN in US915 /AU915 bands?
1656 1656  
1657 1657  It might be about the channels mapping. Please see this link for detail:
... ... @@ -1663,6 +1663,7 @@
1663 1663  
1664 1664  1. Order Info
1665 1665  
1741 +
1666 1666  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1667 1667  
1668 1668  **XXX:**
... ... @@ -1677,6 +1677,7 @@
1677 1677  * **IN865**: LT with frequency bands IN865
1678 1678  * **CN779**: LT with frequency bands CN779
1679 1679  
1756 +
1680 1680  1. Packing Info
1681 1681  
1682 1682  **Package Includes**:
... ... @@ -1686,6 +1686,7 @@
1686 1686  * Bracket for controller x1
1687 1687  * Program cable x 1
1688 1688  
1766 +
1689 1689  **Dimension and weight**:
1690 1690  
1691 1691  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1693,6 +1693,7 @@
1693 1693  * Package Size / pcs : 14.5 x 8 x 5 cm
1694 1694  * Weight / pcs : 170g
1695 1695  
1774 +
1696 1696  1. Support
1697 1697  
1698 1698  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
image-20220523175754-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -3.8 KB
Content
image-20220523175847-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -2.0 KB
Content
image-20220523180452-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -4.5 KB
Content
image-20220523180506-4.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -4.5 KB
Content
image-20220523181246-5.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -5.5 KB
Content
image-20220523181301-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -4.6 KB
Content
image-20220523181727-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -4.8 KB
Content
image-20220523181903-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -4.9 KB
Content
image-20220523182334-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -6.4 KB
Content

Applications

Navigation

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