Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.32
edited by Xiaoling
on 2022/06/10 08:50
Change comment: There is no comment for this version
To version 63.2
edited by Xiaoling
on 2022/05/24 10:40
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,15 +11,12 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
25 25  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31 31  )))
32 32  
33 33  (((
... ... @@ -44,125 +44,48 @@
44 44  
45 45  (((
46 46  [[image:1653295757274-912.png]]
47 -
48 -
49 49  )))
50 50  
51 51  == 1.2  Specifications ==
52 52  
53 -(((
54 -
55 -
56 56  **Hardware System:**
57 -)))
58 58  
59 -* (((
60 -STM32L072CZT6 MCU
61 -)))
62 -* (((
63 -SX1276/78 Wireless Chip 
64 -)))
65 -* (((
66 -(((
67 -Power Consumption:
68 -)))
50 +* STM32L072CZT6 MCU
51 +* SX1276/78 Wireless Chip 
52 +* Power Consumption:
53 +** Idle: 4mA@12v
54 +** 20dB Transmit: 34mA@12v
69 69  
70 -* (((
71 -Idle: 4mA@12v
72 -)))
73 -* (((
74 -20dB Transmit: 34mA@12v
75 -)))
76 -)))
77 -
78 -(((
79 79  **Interface for Model: LT22222-L:**
80 -)))
81 81  
82 -* (((
83 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
84 -)))
85 -* (((
86 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
87 -)))
88 -* (((
89 -2 x Relay Output (5A@250VAC / 30VDC)
90 -)))
91 -* (((
92 -2 x 0~~20mA Analog Input (res:0.01mA)
93 -)))
94 -* (((
95 -2 x 0~~30V Analog Input (res:0.01v)
96 -)))
97 -* (((
98 -Power Input 7~~ 24V DC. 
99 -)))
58 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 +* 2 x Relay Output (5A@250VAC / 30VDC)
61 +* 2 x 0~~20mA Analog Input (res:0.01mA)
62 +* 2 x 0~~30V Analog Input (res:0.01v)
63 +* Power Input 7~~ 24V DC. 
100 100  
101 -(((
102 102  **LoRa Spec:**
103 -)))
104 104  
105 -* (((
106 -(((
107 -Frequency Range:
108 -)))
67 +* Frequency Range:
68 +** Band 1 (HF): 862 ~~ 1020 Mhz
69 +** Band 2 (LF): 410 ~~ 528 Mhz
70 +* 168 dB maximum link budget.
71 +* +20 dBm - 100 mW constant RF output vs.
72 +* +14 dBm high efficiency PA.
73 +* Programmable bit rate up to 300 kbps.
74 +* High sensitivity: down to -148 dBm.
75 +* Bullet-proof front end: IIP3 = -12.5 dBm.
76 +* Excellent blocking immunity.
77 +* Low RX current of 10.3 mA, 200 nA register retention.
78 +* Fully integrated synthesizer with a resolution of 61 Hz.
79 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 +* Built-in bit synchronizer for clock recovery.
81 +* Preamble detection.
82 +* 127 dB Dynamic Range RSSI.
83 +* Automatic RF Sense and CAD with ultra-fast AFC.
84 +* Packet engine up to 256 bytes with CRC.
109 109  
110 -* (((
111 -Band 1 (HF): 862 ~~ 1020 Mhz
112 -)))
113 -* (((
114 -Band 2 (LF): 410 ~~ 528 Mhz
115 -)))
116 -)))
117 -* (((
118 -168 dB maximum link budget.
119 -)))
120 -* (((
121 -+20 dBm - 100 mW constant RF output vs.
122 -)))
123 -* (((
124 -+14 dBm high efficiency PA.
125 -)))
126 -* (((
127 -Programmable bit rate up to 300 kbps.
128 -)))
129 -* (((
130 -High sensitivity: down to -148 dBm.
131 -)))
132 -* (((
133 -Bullet-proof front end: IIP3 = -12.5 dBm.
134 -)))
135 -* (((
136 -Excellent blocking immunity.
137 -)))
138 -* (((
139 -Low RX current of 10.3 mA, 200 nA register retention.
140 -)))
141 -* (((
142 -Fully integrated synthesizer with a resolution of 61 Hz.
143 -)))
144 -* (((
145 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
146 -)))
147 -* (((
148 -Built-in bit synchronizer for clock recovery.
149 -)))
150 -* (((
151 -Preamble detection.
152 -)))
153 -* (((
154 -127 dB Dynamic Range RSSI.
155 -)))
156 -* (((
157 -Automatic RF Sense and CAD with ultra-fast AFC.
158 -)))
159 -* (((
160 -Packet engine up to 256 bytes with CRC.
161 -
162 -
163 -)))
164 -
165 -
166 166  == 1.3 Features ==
167 167  
168 168  * LoRaWAN Class A & Class C protocol
... ... @@ -173,7 +173,6 @@
173 173  * Firmware upgradable via program port
174 174  * Counting
175 175  
176 -
177 177  == 1.4  Applications ==
178 178  
179 179  * Smart Buildings & Home Automation
... ... @@ -183,7 +183,6 @@
183 183  * Smart Cities
184 184  * Smart Factory
185 185  
186 -
187 187  == 1.5 Hardware Variants ==
188 188  
189 189  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -197,7 +197,6 @@
197 197  * 1 x Counting Port
198 198  )))
199 199  
200 -
201 201  = 2. Power ON Device =
202 202  
203 203  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -208,32 +208,21 @@
208 208  
209 209  [[image:1653297104069-180.png]]
210 210  
211 -
212 -
213 213  = 3. Operation Mode =
214 214  
215 215  == 3.1 How it works? ==
216 216  
217 -(((
218 218  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. 
219 -)))
220 220  
221 -(((
222 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
134 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
223 223  
224 -
225 -)))
136 +3.2 Example to join LoRaWAN network
226 226  
227 -
228 -
229 -== 3.2 Example to join LoRaWAN network ==
230 -
231 -(((
232 232  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. 
233 -)))
234 234  
235 235  [[image:image-20220523172350-1.png||height="266" width="864"]]
236 236  
142 +
237 237  (((
238 238  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
239 239  )))
... ... @@ -254,12 +254,10 @@
254 254  
255 255  [[image:1653297955910-247.png||height="321" width="716"]]
256 256  
257 -
258 258  Add APP KEY and DEV EUI
259 259  
260 260  [[image:1653298023685-319.png]]
261 261  
262 -
263 263  (((
264 264  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
265 265  )))
... ... @@ -266,8 +266,6 @@
266 266  
267 267  [[image:1653298044601-602.png||height="405" width="709"]]
268 268  
269 -
270 -
271 271  == 3.3 Uplink Payload ==
272 272  
273 273  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -279,7 +279,6 @@
279 279  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
280 280  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
281 281  
282 -
283 283  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
284 284  
285 285  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -330,14 +330,11 @@
330 330  ** DO1 is high in case there is load between DO1 and V+.
331 331  ** DO1 LED is off in both case
332 332  
333 -
334 334  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
335 335  
336 336  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
337 337  
338 -(((
339 339  Total : 11 bytes payload
340 -)))
341 341  
342 342  [[image:image-20220523180452-3.png]]
343 343  
... ... @@ -351,80 +351,54 @@
351 351  * FIRST: Indicate this is the first packet after join network.
352 352  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
353 353  
354 -(((
355 355  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
356 -)))
357 357  
358 -(((
359 359  **To use counting mode, please run:**
360 -)))
361 361  
362 362  (% class="box infomessage" %)
363 363  (((
364 -(((
365 365  **AT+MOD=2**
366 366  )))
367 -)))
368 368  
369 369  (% class="box infomessage" %)
370 370  (((
371 -(((
372 372  **ATZ**
373 373  )))
374 -)))
375 375  
376 -(((
377 377  (% style="color:#4f81bd" %)**AT Commands for counting:**
378 -)))
379 379  
380 -(((
381 381  **For LT22222-L:**
382 -)))
383 383  
384 384  (% class="box infomessage" %)
385 385  (((
386 -(((
387 387  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
388 388  )))
389 -)))
390 390  
391 391  (% class="box infomessage" %)
392 392  (((
393 -(((
394 394  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
395 395  )))
396 -)))
397 397  
398 398  (% class="box infomessage" %)
399 399  (((
400 -(((
401 401  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
402 402  )))
403 -)))
404 404  
405 405  (% class="box infomessage" %)
406 406  (((
407 -(((
408 408  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
409 409  )))
410 -)))
411 411  
412 412  (% class="box infomessage" %)
413 413  (((
414 -(((
415 415  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
416 416  )))
417 -)))
418 418  
419 419  (% class="box infomessage" %)
420 420  (((
421 -(((
422 422  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
423 423  )))
424 -)))
425 425  
426 -
427 -
428 428  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
429 429  
430 430  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -441,36 +441,22 @@
441 441  * FIRST: Indicate this is the first packet after join network.
442 442  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
443 443  
444 -(((
445 445  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
446 -)))
447 447  
448 -(((
449 449  **To use counting mode, please run:**
450 -)))
451 451  
452 452  (% class="box infomessage" %)
453 453  (((
454 -(((
455 455  **AT+MOD=3**
456 456  )))
457 -)))
458 458  
459 459  (% class="box infomessage" %)
460 460  (((
461 -(((
462 462  **ATZ**
463 463  )))
464 -)))
465 465  
466 -(((
467 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
468 468  
469 -
470 -)))
471 -
472 -
473 -
474 474  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
475 475  
476 476  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -489,70 +489,45 @@
489 489  * FIRST: Indicate this is the first packet after join network.
490 490  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 491  
492 -(((
493 493  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
494 -)))
495 495  
496 -(((
497 497  **To use this mode, please run:**
498 -)))
499 499  
500 500  (% class="box infomessage" %)
501 501  (((
502 -(((
503 503  **AT+MOD=4**
504 504  )))
505 -)))
506 506  
507 507  (% class="box infomessage" %)
508 508  (((
509 -(((
510 510  **ATZ**
511 511  )))
512 -)))
513 513  
514 -(((
515 -
516 -)))
517 517  
518 -(((
519 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
520 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
521 521  
522 -(((
523 523  **Plus below command for AVI1 Counting:**
524 -)))
525 525  
526 526  (% class="box infomessage" %)
527 527  (((
528 -(((
529 529  **AT+SETCNT=3,60   (set AVI Count to 60)**
530 530  )))
531 -)))
532 532  
533 533  (% class="box infomessage" %)
534 534  (((
535 -(((
536 536  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
537 537  )))
538 -)))
539 539  
540 540  (% class="box infomessage" %)
541 541  (((
542 -(((
543 543  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
544 544  )))
545 -)))
546 546  
547 547  (% class="box infomessage" %)
548 548  (((
549 -(((
550 550  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
551 551  )))
552 -)))
553 553  
554 -
555 -
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
558 558  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -565,40 +565,24 @@
565 565  
566 566  * RO is for relay. ROx=1 : close,ROx=0 always open.
567 567  * FIRST: Indicate this is the first packet after join network.
568 -* (((
569 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
570 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
571 571  
572 -(((
573 573  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
574 -)))
575 575  
576 -(((
577 577  **To use this mode, please run:**
578 -)))
579 579  
580 580  (% class="box infomessage" %)
581 581  (((
582 -(((
583 583  **AT+MOD=5**
584 584  )))
585 -)))
586 586  
587 587  (% class="box infomessage" %)
588 588  (((
589 -(((
590 590  **ATZ**
591 591  )))
592 -)))
593 593  
594 -(((
595 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
596 596  
597 -
598 -)))
599 -
600 -
601 -
602 602  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
603 603  
604 604  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -625,7 +625,6 @@
625 625  
626 626  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
627 627  
628 -
629 629  (% style="color:#4f81bd" %)**Trigger base on current**:
630 630  
631 631  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -634,7 +634,6 @@
634 634  
635 635  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
636 636  
637 -
638 638  (% style="color:#4f81bd" %)**Trigger base on DI status**:
639 639  
640 640  DI status trigger Flag.
... ... @@ -648,7 +648,7 @@
648 648  
649 649  **Downlink Command to set Trigger Condition**
650 650  
651 -Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
466 +Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
652 652  
653 653  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
654 654  
... ... @@ -668,7 +668,7 @@
668 668  
669 669  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
670 670  
671 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
672 672  
673 673  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
674 674  
... ... @@ -721,18 +721,12 @@
721 721  
722 722  When device got this command, it will send the MOD6 payload.
723 723  
724 -
725 -
726 726  === 3.3.7 Payload Decoder ===
727 727  
728 728  (((
729 729  **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/]]
730 -
731 -
732 732  )))
733 733  
734 -
735 -
736 736  == 3.4 ​Configure LT via AT or Downlink ==
737 737  
738 738  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -741,17 +741,14 @@
741 741  There are two kinds of Commands:
742 742  )))
743 743  
744 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
553 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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
745 745  
746 746  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
747 747  
748 -
749 749  === 3.4.1 Common Commands ===
750 750  
751 -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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
559 +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: [[End Device AT Commands and Downlink Command>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
752 752  
753 -
754 -
755 755  === 3.4.2 Sensor related commands ===
756 756  
757 757  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -774,8 +774,6 @@
774 774  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
775 775  )))
776 776  
777 -
778 -
779 779  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
780 780  
781 781  Set work mode.
... ... @@ -796,8 +796,6 @@
796 796  **0x0A aa     ~/~/ Same as AT+MOD=aa**
797 797  )))
798 798  
799 -
800 -
801 801  ==== 3.4.2.3 Poll an uplink ====
802 802  
803 803  * AT Command:
... ... @@ -813,11 +813,9 @@
813 813  
814 814  **Example**: 0x08FF, ask device to send an Uplink
815 815  
816 -
817 -
818 818  ==== 3.4.2.4 Enable Trigger Mode ====
819 819  
820 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
620 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
821 821  
822 822  * AT Command:
823 823  
... ... @@ -837,8 +837,6 @@
837 837  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
838 838  )))
839 839  
840 -
841 -
842 842  ==== 3.4.2.5 Poll trigger settings ====
843 843  
844 844  Poll trigger settings,
... ... @@ -854,8 +854,6 @@
854 854  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
855 855  )))
856 856  
857 -
858 -
859 859  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
860 860  
861 861  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -878,8 +878,6 @@
878 878  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
879 879  )))
880 880  
881 -
882 -
883 883  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
884 884  
885 885  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -906,8 +906,6 @@
906 906  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
907 907  )))
908 908  
909 -
910 -
911 911  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
912 912  
913 913  Set DI2 trigger.
... ... @@ -934,11 +934,9 @@
934 934  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
935 935  )))
936 936  
937 -
938 -
939 939  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
940 940  
941 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
731 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
942 942  
943 943  * AT Command:
944 944  
... ... @@ -951,20 +951,18 @@
951 951  
952 952  (% class="box infomessage" %)
953 953  (((
954 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
744 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
955 955  )))
956 956  
957 -
958 -
959 959  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
960 960  
961 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
749 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
962 962  
963 963  * AT Command:
964 964  
965 965  (% class="box infomessage" %)
966 966  (((
967 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
755 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
968 968  )))
969 969  
970 970  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -971,11 +971,9 @@
971 971  
972 972  (% class="box infomessage" %)
973 973  (((
974 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
762 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
975 975  )))
976 976  
977 -
978 -
979 979  ==== 3.4.2.11 Trigger – Set minimum interval ====
980 980  
981 981  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -994,8 +994,6 @@
994 994  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
995 995  )))
996 996  
997 -
998 -
999 999  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1000 1000  
1001 1001  * AT Command:
... ... @@ -1028,7 +1028,6 @@
1028 1028  )))
1029 1029  
1030 1030  
1031 -
1032 1032  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1033 1033  
1034 1034  * AT Command:
... ... @@ -1039,10 +1039,8 @@
1039 1039  
1040 1040  (% class="box infomessage" %)
1041 1041  (((
1042 -(((
1043 1043  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1044 1044  )))
1045 -)))
1046 1046  
1047 1047  This is to control the digital output time of DO pin. Include four bytes:
1048 1048  
... ... @@ -1091,7 +1091,6 @@
1091 1091  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1092 1092  
1093 1093  
1094 -
1095 1095  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1096 1096  
1097 1097  * AT Command:
... ... @@ -1120,7 +1120,6 @@
1120 1120  Device will upload a packet if downlink code executes successfully.
1121 1121  
1122 1122  
1123 -
1124 1124  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1125 1125  
1126 1126  * AT Command:
... ... @@ -1171,16 +1171,15 @@
1171 1171  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1172 1172  
1173 1173  
1174 -
1175 1175  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1176 1176  
1177 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
955 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1178 1178  
1179 1179  * AT Command:
1180 1180  
1181 1181  (% class="box infomessage" %)
1182 1182  (((
1183 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
961 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1184 1184  )))
1185 1185  
1186 1186  * Downlink Payload (prefix 0xA5):
... ... @@ -1190,8 +1190,6 @@
1190 1190  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1191 1191  )))
1192 1192  
1193 -
1194 -
1195 1195  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1196 1196  
1197 1197  * AT Command:
... ... @@ -1216,8 +1216,6 @@
1216 1216  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1217 1217  )))
1218 1218  
1219 -
1220 -
1221 1221  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1222 1222  
1223 1223  Clear counting for counting mode
... ... @@ -1236,8 +1236,6 @@
1236 1236  **0x A6 01     ~/~/ clear all counting,**
1237 1237  )))
1238 1238  
1239 -
1240 -
1241 1241  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1242 1242  
1243 1243  * AT Command:
... ... @@ -1254,35 +1254,25 @@
1254 1254  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1255 1255  )))
1256 1256  
1257 -(((
1258 1258  range: aa bb cc:0 to 16777215,  (unit:second)
1259 1259  
1260 -
1261 -)))
1262 -
1263 -
1264 -
1265 1265  == 3.5 Integrate with Mydevice ==
1266 1266  
1267 1267  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:
1268 1268  
1269 -(((
1270 1270  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1271 -)))
1272 1272  
1273 -(((
1274 1274  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1275 -)))
1276 1276  
1277 1277  [[image:1653356737703-362.png||height="232" width="732"]]
1278 1278  
1279 1279  [[image:image-20220524094641-11.png||height="390" width="723"]]
1280 1280  
1043 +
1281 1281  [[image:image-20220524094641-12.png||height="402" width="718"]]
1282 1282  
1046 +**Step **3: Create an account or log in Mydevices.
1283 1283  
1284 -**Step 3**: Create an account or log in Mydevices.
1285 -
1286 1286  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1287 1287  
1288 1288  Search under The things network
... ... @@ -1289,9 +1289,9 @@
1289 1289  
1290 1290  [[image:1653356838789-523.png||height="337" width="740"]]
1291 1291  
1292 -
1293 1293  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1294 1294  
1056 +
1295 1295  [[image:image-20220524094909-1.png||height="335" width="729"]]
1296 1296  
1297 1297  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1304,6 +1304,8 @@
1304 1304  
1305 1305  
1306 1306  
1069 +
1070 +
1307 1307  == 3.6 Interface Detail ==
1308 1308  
1309 1309  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1312,8 +1312,6 @@
1312 1312  
1313 1313  [[image:1653356991268-289.png]]
1314 1314  
1315 -
1316 -
1317 1317  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1318 1318  
1319 1319  (((
... ... @@ -1321,114 +1321,57 @@
1321 1321  )))
1322 1322  
1323 1323  (((
1324 -(((
1325 1325  Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1326 1326  )))
1327 -)))
1328 1328  
1329 1329  [[image:1653357170703-587.png]]
1330 1330  
1331 1331  (((
1332 -(((
1333 1333  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1334 1334  )))
1335 -)))
1336 1336  
1337 -(((
1338 -
1339 -)))
1340 1340  
1341 -(((
1342 1342  **Example1**: Connect to a Low active sensor.
1343 -)))
1344 1344  
1345 -(((
1346 1346  This type of sensor will output a low signal GND when active.
1347 -)))
1348 1348  
1349 -* (((
1350 -Connect sensor’s output to DI1-
1351 -)))
1352 -* (((
1353 -Connect sensor’s VCC to DI1+.
1354 -)))
1100 +* Connect sensor’s output to DI1-
1101 +* Connect sensor’s VCC to DI1+.
1355 1355  
1356 -(((
1357 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1358 -)))
1103 +So when sensor active, the current between NEC2501 pin1 and pin2 is: ​​
1359 1359  
1360 -(((
1361 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1362 -)))
1105 + //IF// = DI1+ / 1K.
1363 1363  
1364 -(((
1365 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1366 -)))
1107 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1367 1367  
1368 -(((
1369 -
1370 -)))
1371 1371  
1372 -(((
1373 1373  **Example2**: Connect to a High active sensor.
1374 -)))
1375 1375  
1376 -(((
1377 1377  This type of sensor will output a high signal (example 24v) when active.
1378 -)))
1379 1379  
1380 -* (((
1381 -Connect sensor’s output to DI1+
1382 -)))
1383 -* (((
1384 -Connect sensor’s GND DI1-.
1385 -)))
1114 +* Connect sensor’s output to DI1+
1115 +* Connect sensor’s GND DI1-.
1386 1386  
1387 -(((
1388 1388  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1389 -)))
1390 1390  
1391 -(((
1392 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1393 -)))
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:/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:/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.**
1394 1394  
1395 -(((
1396 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1397 -)))
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:/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:/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.
1398 1398  
1399 -(((
1400 -
1401 -)))
1402 1402  
1403 -(((
1404 1404  **Example3**: Connect to a 220v high active sensor.
1405 -)))
1406 1406  
1407 -(((
1408 1408  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1409 -)))
1410 1410  
1411 -* (((
1412 -Connect sensor’s output to DI1+ with a serial 50K resistor
1413 -)))
1414 -* (((
1415 -Connect sensor’s GND DI1-.
1416 -)))
1128 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1129 +* Connect sensor’s GND DI1-.
1417 1417  
1418 -(((
1419 1419  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1420 -)))
1421 1421  
1422 -(((
1423 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1424 -)))
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:/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:/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.**
1425 1425  
1426 -(((
1427 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% 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.
1428 -)))
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.
1429 1429  
1430 -
1431 -
1432 1432  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1433 1433  
1434 1434  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1435,8 +1435,6 @@
1435 1435  
1436 1436  [[image:1653357531600-905.png]]
1437 1437  
1438 -
1439 -
1440 1440  === 3.6.4 Analog Input Interface ===
1441 1441  
1442 1442  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:
... ... @@ -1464,8 +1464,6 @@
1464 1464  
1465 1465  [[image:1653357648330-671.png||height="155" width="733"]]
1466 1466  
1467 -
1468 -
1469 1469  === 3.6.5 Relay Output ===
1470 1470  
1471 1471  (((
... ... @@ -1476,13 +1476,10 @@
1476 1476  
1477 1477  [[image:image-20220524100215-10.png||height="382" width="723"]]
1478 1478  
1479 -
1480 -
1481 1481  == 3.7 LEDs Indicators ==
1482 1482  
1483 1483  [[image:image-20220524100748-11.png]]
1484 1484  
1485 -
1486 1486  = 4. Use AT Command =
1487 1487  
1488 1488  == 4.1 Access AT Command ==
... ... @@ -1491,15 +1491,11 @@
1491 1491  
1492 1492  [[image:1653358238933-385.png]]
1493 1493  
1494 -(((
1495 1495  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1496 -)))
1497 1497  
1498 1498  [[image:1653358355238-883.png]]
1499 1499  
1500 -(((
1501 1501  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1502 -)))
1503 1503  
1504 1504  (((
1505 1505  AT+<CMD>?        : Help on <CMD>
... ... @@ -1683,12 +1683,8 @@
1683 1683  
1684 1684  (((
1685 1685  AT+CFG: Print all settings
1686 -
1687 -
1688 1688  )))
1689 1689  
1690 -
1691 -
1692 1692  == 4.2 Common AT Command Sequence ==
1693 1693  
1694 1694  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1728,12 +1728,8 @@
1728 1728  
1729 1729  (((
1730 1730  (% style="background-color:#dcdcdc" %)ATZ
1731 -
1732 -
1733 1733  )))
1734 1734  
1735 -
1736 -
1737 1737  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1738 1738  
1739 1739  (((
... ... @@ -1807,8 +1807,6 @@
1807 1807  
1808 1808  )))
1809 1809  
1810 -
1811 -
1812 1812  === 4.2.3 Change to Class A ===
1813 1813  
1814 1814  If sensor JOINED
... ... @@ -1815,7 +1815,6 @@
1815 1815  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1816 1816  ATZ
1817 1817  
1818 -
1819 1819  = 5. FAQ =
1820 1820  
1821 1821  == 5.1 How to upgrade the image? ==
... ... @@ -1828,13 +1828,11 @@
1828 1828  Below shows the hardware connection for how to upload an image to the LT:
1829 1829  * [[image:1653359603330-121.png]]
1830 1830  
1831 -(((
1832 1832  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1833 1833  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1834 1834  **Step3: **Open flashloader; choose the correct COM port to update.
1835 1835  **For LT-22222-L**:
1836 1836  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1837 -)))
1838 1838  
1839 1839   [[image:image-20220524103407-12.png]]
1840 1840  
... ... @@ -1842,119 +1842,132 @@
1842 1842  
1843 1843  [[image:image-20220524104033-15.png]]
1844 1844  
1845 -(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1526 +(% style="color:red" %)**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1846 1846  
1847 -[[image:1653360054704-518.png||height="186" width="745"]]
1848 1848  
1849 -
1529 +1. (((
1850 1850  (((
1851 -(((
1852 1852  
1532 +)))
1853 1853  
1854 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1534 +1. (((
1535 +How to change the LoRa Frequency Bands/Region?
1855 1855  )))
1856 1856  )))
1857 1857  
1858 1858  (((
1859 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1860 -
1861 -
1540 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1862 1862  )))
1863 1863  
1864 1864  (((
1865 1865  
1545 +)))
1866 1866  
1867 -
1868 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1547 +1.
1548 +11. (((
1549 +How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1869 1869  )))
1870 1870  
1871 1871  (((
1872 -(((
1873 1873  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1874 1874  )))
1875 -)))
1876 1876  
1877 1877  (((
1878 -(((
1879 1879  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1880 1880  )))
1559 +
1560 +(((
1561 +
1881 1881  )))
1882 1882  
1883 1883  (((
1884 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1565 +**Step1**: Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1885 1885  )))
1886 1886  
1887 1887  (((
1888 -[[image:1653360231087-571.png||height="401" width="727"]]
1569 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1573 +Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1577 +
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1901 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1902 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1903 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1904 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1905 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1906 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1907 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1908 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1909 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1581 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -As shown in below:
1585 +123456   Enter Password to have AT access.
1914 1914  )))
1915 1915  
1916 -[[image:1653360498588-932.png||height="485" width="726"]]
1588 +(((
1589 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1590 +)))
1917 1917  
1592 +(((
1593 +123456   Enter Password to have AT access.
1594 +)))
1918 1918  
1919 -== 5.4 Can I see counting event in Serial? ==
1596 +(((
1597 +AT+NJM=0 Set to ABP mode
1598 +)))
1920 1920  
1921 1921  (((
1922 -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.
1601 +AT+ADR=0 Set the Adaptive Data Rate Off
1602 +)))
1923 1923  
1604 +(((
1605 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1606 +)))
1924 1924  
1925 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1608 +(((
1609 +AT+TDC=60000  Set transmit interval to 60 seconds
1610 +)))
1926 1926  
1927 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1612 +(((
1613 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1614 +)))
1928 1928  
1929 -
1616 +(((
1617 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1930 1930  )))
1931 1931  
1932 1932  (((
1933 -
1621 +ATZ                Reset MCU
1622 +)))
1934 1934  
1935 -= 6. Trouble Shooting =
1624 +(((
1625 +As shown in below:
1936 1936  )))
1937 1937  
1938 1938  (((
1939 -(((
1940 -== 6.1 Downlink doesn’t work, how to solve it? ==
1629 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1941 1941  )))
1942 -)))
1943 1943  
1944 1944  (((
1945 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1633 +
1634 +)))
1946 1946  
1636 +(((
1947 1947  
1948 1948  )))
1949 1949  
1640 +1. (((
1950 1950  (((
1951 1951  
1643 +)))
1952 1952  
1953 -== 6.2 Have trouble to upload image. ==
1645 +1. (((
1646 +Can I see counting event in Serial?
1954 1954  )))
1648 +)))
1955 1955  
1956 1956  (((
1957 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1651 +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.
1958 1958  )))
1959 1959  
1960 1960  (((
... ... @@ -1963,79 +1963,165 @@
1963 1963  
1964 1964  (((
1965 1965  
1660 +)))
1966 1966  
1967 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1662 +(((
1663 +
1968 1968  )))
1969 1969  
1666 +1. (((
1970 1970  (((
1971 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1668 +Trouble Shooting    
1972 1972  )))
1973 1973  
1671 +1. (((
1672 +Downlink doesn’t work, how to solve it?
1673 +)))
1674 +)))
1974 1974  
1676 +(((
1677 +Please see this link for how to debug:
1678 +)))
1975 1975  
1976 -= 7. Order Info =
1680 +(((
1681 +[[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]]
1682 +)))
1977 1977  
1978 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1684 +(((
1685 +
1686 +)))
1979 1979  
1688 +1.
1689 +11. (((
1690 +Have trouble to upload image.
1691 +)))
1980 1980  
1981 -(% style="color:#4f81bd" %)**XXX:**
1693 +(((
1694 +See this link for trouble shooting:
1695 +)))
1982 1982  
1983 -*(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1697 +(((
1698 +[[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]]
1699 +)))
1984 1984  
1985 -*(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1701 +(((
1702 +
1703 +)))
1986 1986  
1987 -*(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1705 +1.
1706 +11. (((
1707 +Why I can’t join TTN in US915 /AU915 bands?
1708 +)))
1988 1988  
1989 -*(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1710 +(((
1711 +It might be about the channels mapping. Please see this link for detail:
1712 +)))
1990 1990  
1991 -*(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1714 +(((
1715 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1716 +)))
1992 1992  
1993 -*(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1718 +(((
1719 +
1720 +)))
1994 1994  
1995 -*(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1722 +(((
1723 +
1724 +)))
1996 1996  
1997 -*(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1726 +(((
1727 +
1728 +)))
1998 1998  
1999 -*(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1730 +1. (((
1731 +Order Info
1732 +)))
2000 2000  
1734 +(((
1735 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1736 +)))
2001 2001  
1738 +(((
1739 +**XXX:**
1740 +)))
2002 2002  
2003 -= 8. Packing Info =
1742 +* (((
1743 +**EU433**: LT with frequency bands EU433
1744 +)))
1745 +* (((
1746 +**EU868**: LT with frequency bands EU868
1747 +)))
1748 +* (((
1749 +**KR920**: LT with frequency bands KR920
1750 +)))
1751 +* (((
1752 +**CN470**: LT with frequency bands CN470
1753 +)))
1754 +* (((
1755 +**AS923**: LT with frequency bands AS923
1756 +)))
1757 +* (((
1758 +**AU915**: LT with frequency bands AU915
1759 +)))
1760 +* (((
1761 +**US915**: LT with frequency bands US915
1762 +)))
1763 +* (((
1764 +**IN865**: LT with frequency bands IN865
1765 +)))
1766 +* (((
1767 +**CN779**: LT with frequency bands CN779
1768 +)))
2004 2004  
1770 +1. (((
1771 +Packing Info
1772 +)))
2005 2005  
1774 +(((
2006 2006  **Package Includes**:
1776 +)))
2007 2007  
2008 -* LT-22222-L I/O Controller x 1
2009 -* Stick Antenna for LoRa RF part x 1
2010 -* Bracket for controller x1
2011 -* Program cable x 1
1778 +* (((
1779 +LT I/O Controller x 1
1780 +)))
1781 +* (((
1782 +Stick Antenna for LoRa RF part x 1
1783 +)))
1784 +* (((
1785 +Bracket for controller x1
1786 +)))
1787 +* (((
1788 +Program cable x 1
1789 +)))
2012 2012  
2013 -
1791 +(((
2014 2014  **Dimension and weight**:
1793 +)))
2015 2015  
2016 -* Device Size: 13.5 x 7 x 3 cm
2017 -* Device Weight: 105g
2018 -* Package Size / pcs : 14.5 x 8 x 5 cm
2019 -* Weight / pcs : 170g
1795 +* (((
1796 +Device Size: 13.5 x 7 x 3 cm
1797 +)))
1798 +* (((
1799 +Device Weight: 105g
1800 +)))
1801 +* (((
1802 +Package Size / pcs : 14.5 x 8 x 5 cm
1803 +)))
1804 +* (((
1805 +Weight / pcs : 170g
1806 +)))
2020 2020  
1808 +1. (((
1809 +Support
1810 +)))
2021 2021  
2022 -= 9. Support =
2023 -
2024 2024  * (((
2025 2025  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.
2026 2026  )))
2027 2027  * (((
2028 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1816 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
2029 2029  )))
2030 2030  
2031 -
2032 -
2033 -= 10. Reference​​​​​ =
2034 -
2035 -* Product Page:
2036 -
2037 -LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2038 -
2039 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2040 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2041 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1819 +(((
1820 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1821 +)))
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