Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 113.2 >
edited by Xiaoling
on 2023/04/24 11:51
To version < 90.1 >
edited by Bei Jinggeng
on 2022/07/19 11:07
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -20,10 +20,8 @@
20 20  (((
21 21  
22 22  
23 -(((
24 24  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.
25 25  )))
26 -)))
27 27  
28 28  (((
29 29  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -38,13 +38,11 @@
38 38  )))
39 39  
40 40  (((
41 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
39 +1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 42  )))
43 43  
44 44  (((
45 45  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
46 -
47 -
48 48  )))
49 49  
50 50  (((
... ... @@ -53,16 +53,17 @@
53 53  
54 54  )))
55 55  
52 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
59 59  
60 60  
61 -(% style="color:#037691" %)**Hardware System:**
58 +**Hardware System:**
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
62 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -83,7 +83,7 @@
83 83  (((
84 84  
85 85  
86 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
83 +**Interface for Model: LT22222-L:**
87 87  )))
88 88  
89 89  * (((
... ... @@ -108,7 +108,7 @@
108 108  (((
109 109  
110 110  
111 -(% style="color:#037691" %)**LoRa Spec:**
108 +**LoRa Spec:**
112 112  )))
113 113  
114 114  * (((
... ... @@ -174,45 +174,28 @@
174 174  
175 175  == 1.3 Features ==
176 176  
177 -
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
176 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 192  == 1.4  Applications ==
193 193  
194 -
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 207  == 1.5 Hardware Variants ==
208 208  
209 -
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
193 +(% border="1" style="background-color:#f7faff; width:500px" %)
194 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
195 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -223,25 +223,20 @@
223 223  
224 224  = 2. Power ON Device =
225 225  
226 -
227 -(((
228 228  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.
229 -)))
230 230  
231 231  (((
232 232  PWR will on when device is properly powered.
233 -
234 -
235 235  )))
236 236  
237 237  [[image:1653297104069-180.png]]
238 238  
239 239  
215 +
240 240  = 3. Operation Mode =
241 241  
242 242  == 3.1 How it works? ==
243 243  
244 -
245 245  (((
246 246  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 (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**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. 
247 247  )))
... ... @@ -253,11 +253,8 @@
253 253  
254 254  == 3.2 Example to join LoRaWAN network ==
255 255  
256 -
257 257  (((
258 258  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. 
259 -
260 -
261 261  )))
262 262  
263 263  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -265,8 +265,6 @@
265 265  
266 266  (((
267 267  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:
268 -
269 -
270 270  )))
271 271  
272 272  (((
... ... @@ -282,29 +282,26 @@
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
284 284  
285 -**Add APP EUI in the application.**
255 +Add APP EUI in the application.
286 286  
287 287  [[image:1653297955910-247.png||height="321" width="716"]]
288 288  
289 289  
290 -**Add APP KEY and DEV EUI**
260 +Add APP KEY and DEV EUI
291 291  
292 292  [[image:1653298023685-319.png]]
293 293  
294 294  
295 -
296 296  (((
297 297  (% style="color:blue" %)**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.
298 -
299 -
300 300  )))
301 301  
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
272 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 -
308 308  There are five working modes + one interrupt mode on LT for different type application:
309 309  
310 310  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -316,10 +316,7 @@
316 316  
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 -
320 -(((
321 321  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
322 -)))
323 323  
324 324  [[image:image-20220523174024-3.png]]
325 325  
... ... @@ -335,7 +335,7 @@
335 335  * DI is for digital input. DIx=1: high or float, DIx=0: low.
336 336  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
337 337  
338 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
302 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
339 339  
340 340  For example if payload is: [[image:image-20220523175847-2.png]]
341 341  
... ... @@ -373,9 +373,7 @@
373 373  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374 374  
375 375  
376 -(((
377 377  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
378 -)))
379 379  
380 380  (((
381 381  Total : 11 bytes payload
... ... @@ -395,7 +395,7 @@
395 395  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
396 396  
397 397  (((
398 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
360 +(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
399 399  )))
400 400  
401 401  (((
... ... @@ -407,22 +407,16 @@
407 407  (% class="box infomessage" %)
408 408  (((
409 409  (((
410 -(((
411 411  **AT+MOD=2**
412 -)))
413 413  
414 -(((
415 415  **ATZ**
416 416  )))
417 417  )))
418 -)))
419 419  
420 420  (((
421 421  
422 422  
423 423  (% style="color:#4f81bd" %)**AT Commands for counting:**
424 -
425 -
426 426  )))
427 427  
428 428  (((
... ... @@ -443,9 +443,9 @@
443 443  )))
444 444  
445 445  
402 +
446 446  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
447 447  
448 -
449 449  **LT22222-L**: This mode the DI1 is used as a counting pin.
450 450  
451 451  [[image:image-20220523181246-5.png]]
... ... @@ -463,7 +463,7 @@
463 463  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
464 464  
465 465  (((
466 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
422 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
467 467  )))
468 468  
469 469  
... ... @@ -474,15 +474,11 @@
474 474  (% class="box infomessage" %)
475 475  (((
476 476  (((
477 -(((
478 478  **AT+MOD=3**
479 -)))
480 480  
481 -(((
482 482  **ATZ**
483 483  )))
484 484  )))
485 -)))
486 486  
487 487  (((
488 488  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -489,16 +489,13 @@
489 489  )))
490 490  
491 491  
444 +
492 492  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
493 493  
494 494  
495 -(((
496 496  **LT22222-L**: This mode the DI1 is used as a counting pin.
497 -)))
498 498  
499 -(((
500 500  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.
501 -)))
502 502  
503 503  [[image:image-20220523181903-8.png]]
504 504  
... ... @@ -514,7 +514,7 @@
514 514  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
515 515  
516 516  (((
517 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
466 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
518 518  )))
519 519  
520 520  (((
... ... @@ -526,17 +526,14 @@
526 526  (% class="box infomessage" %)
527 527  (((
528 528  (((
529 -(((
530 530  **AT+MOD=4**
531 -)))
532 532  
533 -(((
534 534  **ATZ**
535 535  )))
536 536  )))
537 -)))
538 538  
539 539  
485 +
540 540  (((
541 541  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
542 542  )))
... ... @@ -557,6 +557,7 @@
557 557  )))
558 558  
559 559  
506 +
560 560  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
561 561  
562 562  
... ... @@ -577,7 +577,7 @@
577 577  )))
578 578  
579 579  (((
580 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
527 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
581 581  )))
582 582  
583 583  (((
... ... @@ -589,15 +589,11 @@
589 589  (% class="box infomessage" %)
590 590  (((
591 591  (((
592 -(((
593 593  **AT+MOD=5**
594 -)))
595 595  
596 -(((
597 597  **ATZ**
598 598  )))
599 599  )))
600 -)))
601 601  
602 602  (((
603 603  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -604,6 +604,7 @@
604 604  )))
605 605  
606 606  
550 +
607 607  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
608 608  
609 609  
... ... @@ -626,7 +626,6 @@
626 626  
627 627  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
628 628  
629 -
630 630  **Example:**
631 631  
632 632  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -639,7 +639,6 @@
639 639  
640 640  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
641 641  
642 -
643 643  **Example:**
644 644  
645 645  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -706,7 +706,6 @@
706 706  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
707 707  
708 708  
709 -
710 710  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
711 711  
712 712  [[image:image-20220524090249-3.png]]
... ... @@ -740,51 +740,46 @@
740 740  When device got this command, it will send the MOD6 payload.
741 741  
742 742  
684 +
743 743  === 3.3.7 Payload Decoder ===
744 744  
745 745  (((
746 746  
747 747  
748 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
690 +**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/]]
691 +
692 +
749 749  )))
750 750  
751 751  
752 752  == 3.4 ​Configure LT via AT or Downlink ==
753 753  
754 -
755 -(((
756 756  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
757 -)))
758 758  
759 759  (((
760 -(((
761 761  There are two kinds of Commands:
762 762  )))
763 -)))
764 764  
765 -* (% style="color:blue" %)**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]]
704 +* (% 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]]
766 766  
767 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
706 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
768 768  
769 769  === 3.4.1 Common Commands ===
770 770  
771 -
772 -(((
773 773  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]]
774 -)))
775 775  
776 776  
713 +
777 777  === 3.4.2 Sensor related commands ===
778 778  
779 779  
780 780  ==== 3.4.2.1 Set Transmit Interval ====
781 781  
782 -
783 783  Set device uplink interval.
784 784  
785 785  * (% style="color:#037691" %)**AT Command:**
786 786  
787 -(% style="color:blue" %)**AT+TDC=N **
723 +**AT+TDC=N **
788 788  
789 789  
790 790  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -792,18 +792,18 @@
792 792  
793 793  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
794 794  
795 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
731 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
796 796  
797 797  
798 798  
735 +
799 799  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
800 800  
801 -
802 802  Set work mode.
803 803  
804 804  * (% style="color:#037691" %)**AT Command:**
805 805  
806 -(% style="color:blue" %)**AT+MOD=N  **
742 +**AT+MOD=N  **
807 807  
808 808  
809 809  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -811,13 +811,13 @@
811 811  
812 812  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
813 813  
814 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
750 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
815 815  
816 816  
817 817  
754 +
818 818  ==== 3.4.2.3 Poll an uplink ====
819 819  
820 -
821 821  * (% style="color:#037691" %)**AT Command:**
822 822  
823 823  There is no AT Command to poll uplink
... ... @@ -825,36 +825,35 @@
825 825  
826 826  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
827 827  
828 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
764 +**0x08 FF     **~/~/ Poll an uplink
829 829  
830 -
831 831  **Example**: 0x08FF, ask device to send an Uplink
832 832  
833 833  
834 834  
770 +
835 835  ==== 3.4.2.4 Enable Trigger Mode ====
836 836  
837 -
838 838  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
839 839  
840 840  * (% style="color:#037691" %)**AT Command:**
841 841  
842 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
777 +**AT+ADDMOD6=1 or 0**
843 843  
844 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
779 +1: Enable Trigger Mode
845 845  
846 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
781 +0: Disable Trigger Mode
847 847  
848 848  
849 849  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
850 850  
851 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
786 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
852 852  
853 853  
854 854  
790 +
855 855  ==== 3.4.2.5 Poll trigger settings ====
856 856  
857 -
858 858  Poll trigger settings,
859 859  
860 860  * (% style="color:#037691" %)**AT Command:**
... ... @@ -864,18 +864,18 @@
864 864  
865 865  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
866 866  
867 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
802 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
868 868  
869 869  
870 870  
806 +
871 871  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
872 872  
873 -
874 874  Enable Disable DI1/DI2/DI2 as trigger,
875 875  
876 876  * (% style="color:#037691" %)**AT Command:**
877 877  
878 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
813 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
879 879  
880 880  
881 881  **Example:**
... ... @@ -884,22 +884,22 @@
884 884  
885 885  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
886 886  
887 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
822 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
888 888  
889 889  
890 890  
826 +
891 891  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
892 892  
893 -
894 894  Set DI1 or DI3(for LT-33222-L) trigger.
895 895  
896 896  * (% style="color:#037691" %)**AT Command:**
897 897  
898 -(% style="color:blue" %)**AT+TRIG1=a,b**
833 +**AT+TRIG1=a,b**
899 899  
900 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
835 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
901 901  
902 -(% style="color:red" %)**b :** (%%)delay timing.
837 +b : delay timing.
903 903  
904 904  
905 905  **Example:**
... ... @@ -908,25 +908,22 @@
908 908  
909 909  
910 910  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
846 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
911 911  
912 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
913 -
914 -
915 -
916 916  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
917 917  
918 -
919 919  Set DI2 trigger.
920 920  
921 921  * (% style="color:#037691" %)**AT Command:**
922 922  
923 -(% style="color:blue" %)**AT+TRIG2=a,b**
854 +**AT+TRIG2=a,b**
924 924  
925 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
926 926  
927 -(% style="color:red" %)**b :** (%%)delay timing.
857 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
928 928  
859 +b : delay timing.
929 929  
861 +
930 930  **Example:**
931 931  
932 932  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -934,67 +934,67 @@
934 934  
935 935  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
936 936  
937 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
869 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
938 938  
939 939  
940 940  
873 +
941 941  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
942 942  
943 -
944 944  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
945 945  
946 946  * (% style="color:#037691" %)**AT Command**
947 947  
948 -(% style="color:blue" %)**AT+ACLIM**
880 +**AT+ACLIM**
949 949  
950 950  
951 951  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
952 952  
953 -(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
885 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
954 954  
955 955  
956 956  
889 +
957 957  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
958 958  
959 -
960 960  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
961 961  
962 962  * (% style="color:#037691" %)**AT Command**
963 963  
964 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
896 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
965 965  
966 966  
967 967  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
968 968  
969 -(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
901 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
970 970  
971 971  
972 972  
905 +
973 973  ==== 3.4.2.11 Trigger – Set minimum interval ====
974 974  
975 -
976 976  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
977 977  
978 978  * (% style="color:#037691" %)**AT Command**
979 979  
980 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
912 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
981 981  
982 982  
983 983  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
984 984  
985 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
917 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
986 986  
987 987  (((
988 988  
989 989  
990 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
922 +(% style="color:red" %)Note: ATDC setting must be more than 5min
991 991  )))
992 992  
993 993  
994 994  
927 +
995 995  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
996 996  
997 -
998 998  * (% style="color:#037691" %)**AT Command**
999 999  
1000 1000  There is no AT Command to control Digital Output
... ... @@ -1001,7 +1001,7 @@
1001 1001  
1002 1002  
1003 1003  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1004 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
936 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1005 1005  
1006 1006  (((
1007 1007  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1014,18 +1014,18 @@
1014 1014  [[image:image-20220524092754-5.png]]
1015 1015  
1016 1016  (((
1017 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
949 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1018 1018  )))
1019 1019  
1020 1020  (((
1021 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
953 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1022 1022  )))
1023 1023  
1024 1024  
1025 1025  
958 +
1026 1026  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1027 1027  
1028 -
1029 1029  * (% style="color:#037691" %)**AT Command**
1030 1030  
1031 1031  There is no AT Command to control Digital Output
... ... @@ -1033,7 +1033,7 @@
1033 1033  
1034 1034  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1035 1035  
1036 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
968 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1037 1037  
1038 1038  
1039 1039  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1062,21 +1062,13 @@
1062 1062  [[image:image-20220524093351-8.png]]
1063 1063  
1064 1064  
1065 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
997 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1066 1066  
1067 1067   Latching time. Unit: ms
1068 1068  
1001 +Device will upload a packet if downlink code executes successfully.
1069 1069  
1070 -(% style="color:red" %)**Note: **
1071 1071  
1072 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1073 -
1074 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1075 -
1076 -
1077 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1078 -
1079 -
1080 1080  **Example payload:**
1081 1081  
1082 1082  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1097,8 +1097,8 @@
1097 1097  
1098 1098  
1099 1099  
1100 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1101 1101  
1025 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1102 1102  
1103 1103  * (% style="color:#037691" %)**AT Command:**
1104 1104  
... ... @@ -1107,7 +1107,7 @@
1107 1107  
1108 1108  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1109 1109  
1110 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1034 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1111 1111  
1112 1112  
1113 1113  (((
... ... @@ -1122,13 +1122,13 @@
1122 1122  [[image:image-20220524093724-9.png]]
1123 1123  )))
1124 1124  
1125 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1049 +Device will upload a packet if downlink code executes successfully.
1126 1126  
1127 1127  
1128 1128  
1053 +
1129 1129  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1130 1130  
1131 -
1132 1132  * (% style="color:#037691" %)**AT Command:**
1133 1133  
1134 1134  There is no AT Command to control Relay Output
... ... @@ -1136,7 +1136,7 @@
1136 1136  
1137 1137  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1138 1138  
1139 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1063 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1140 1140  
1141 1141  
1142 1142  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1152,25 +1152,17 @@
1152 1152  
1153 1153  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1154 1154  
1155 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1079 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1156 1156  
1157 1157  
1158 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1082 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1159 1159  
1084 +Device will upload a packet if downlink code executes successfully.
1160 1160  
1161 -(% style="color:red" %)**Note:**
1162 1162  
1163 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1164 -
1165 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1166 -
1167 -
1168 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1169 -
1170 -
1171 1171  **Example payload:**
1172 1172  
1173 -**~1. 05 01 11 07 D0**
1089 +**~1. 05 01 11 07 D**
1174 1174  
1175 1175  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1176 1176  
... ... @@ -1188,180 +1188,82 @@
1188 1188  
1189 1189  
1190 1190  
1107 +
1191 1191  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1192 1192  
1193 -
1194 1194  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1195 1195  
1196 1196  * (% style="color:#037691" %)**AT Command:**
1197 1197  
1198 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1114 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 1199  
1200 1200  
1201 1201  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1202 1202  
1203 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1119 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1204 1204  
1205 1205  
1206 1206  
1123 +
1207 1207  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1208 1208  
1209 -
1210 1210  * (% style="color:#037691" %)**AT Command:**
1211 1211  
1212 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1128 +**AT+SETCNT=aa,(bb cc dd ee) **
1213 1213  
1214 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1130 +aa: 1: Set count1,
1215 1215  
1216 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1132 +2: Set count2,
1217 1217  
1134 +3: Set AV1 count
1218 1218  
1136 +Bb cc dd ee: number to be set
1137 +
1138 +
1219 1219  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1220 1220  
1221 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1141 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1222 1222  
1223 1223  
1224 1224  
1145 +
1225 1225  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1226 1226  
1227 -
1228 1228  Clear counting for counting mode
1229 1229  
1230 1230  * (% style="color:#037691" %)**AT Command:**
1231 1231  
1232 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1152 +**AT+CLRCOUNT ** ~/~/ clear all counting
1233 1233  
1234 1234  
1235 1235  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1236 1236  
1237 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1157 +**0x A6 01    ** ~/~/ clear all counting
1238 1238  
1239 1239  
1240 1240  
1161 +
1241 1241  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1242 1242  
1243 -
1244 1244  * (% style="color:#037691" %)**AT Command:**
1245 1245  
1246 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1166 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1247 1247  
1248 1248  
1249 1249  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1250 1250  
1251 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1171 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1252 1252  
1253 1253  (((
1254 1254  range: aa bb cc:0 to 16777215,  (unit:second)
1255 -)))
1256 1256  
1257 -
1258 -
1259 -==== 3.4.2.20 Reset save RO DO state ====
1260 -
1261 -
1262 -* (% style="color:#037691" %)**AT Command:**
1263 -
1264 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1265 -
1266 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1267 -
1268 -
1269 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1270 -
1271 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1272 -
1273 -
1274 -
1275 -==== 3.4.2.21 Encrypted payload ====
1276 -
1277 -
1278 -* (% style="color:#037691" %)**AT Command:**
1279 -
1280 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1281 -
1282 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1283 -
1284 -
1285 -
1286 -==== 3.4.2.22 Get sensor value ====
1287 -
1288 -
1289 -* (% style="color:#037691" %)**AT Command:**
1290 -
1291 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1292 -
1293 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1294 -
1295 -
1296 -
1297 -==== 3.4.2.23 Resets the downlink packet count ====
1298 -
1299 -
1300 -* (% style="color:#037691" %)**AT Command:**
1301 -
1302 -(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1303 -
1304 -(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1305 -
1306 -
1307 -
1308 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1309 -
1310 -
1311 -* (% style="color:#037691" %)**AT Command:**
1312 -
1313 -(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1314 -
1315 -(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1316 -
1317 -
1318 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1319 -
1320 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1321 -
1322 -
1323 -
1324 -==== 3.4.2.25 Copy downlink to uplink ====
1325 -
1326 -
1327 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1328 -
1329 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1330 -
1331 -Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1332 -
1333 -
1334 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1335 -
1336 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1337 -
1338 -
1339 -
1340 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1341 -
1342 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1343 -
1344 -
1345 -
1346 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1347 -
1348 -
1349 -* (((
1350 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1351 -
1352 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1353 -
1354 1354  
1355 1355  )))
1356 1356  
1357 -**Example：**
1358 1358  
1359 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1360 1360  
1361 -
1362 1362  == 3.5 Integrate with Mydevice ==
1363 1363  
1364 -
1365 1365  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:
1366 1366  
1367 1367  (((
... ... @@ -1370,8 +1370,6 @@
1370 1370  
1371 1371  (((
1372 1372  (% style="color:blue" %)**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:
1373 -
1374 -
1375 1375  )))
1376 1376  
1377 1377  [[image:image-20220719105525-1.png||height="377" width="677"]]
... ... @@ -1408,19 +1408,19 @@
1408 1408  [[image:image-20220524094909-5.png||height="341" width="734"]]
1409 1409  
1410 1410  
1227 +
1411 1411  == 3.6 Interface Detail ==
1412 1412  
1413 1413  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1414 1414  
1415 -
1416 1416  Support NPN Type sensor
1417 1417  
1418 1418  [[image:1653356991268-289.png]]
1419 1419  
1420 1420  
1237 +
1421 1421  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1422 1422  
1423 -
1424 1424  (((
1425 1425  The DI port of LT-22222-L can support NPN or PNP output sensor.
1426 1426  )))
... ... @@ -1427,9 +1427,7 @@
1427 1427  
1428 1428  (((
1429 1429  (((
1430 -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.
1431 -
1432 -
1246 +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
1433 1433  )))
1434 1434  )))
1435 1435  
... ... @@ -1454,10 +1454,10 @@
1454 1454  )))
1455 1455  
1456 1456  * (((
1457 -Connect sensor's output to DI1-
1271 +Connect sensor’s output to DI1-
1458 1458  )))
1459 1459  * (((
1460 -Connect sensor's VCC to DI1+.
1274 +Connect sensor’s VCC to DI1+.
1461 1461  )))
1462 1462  
1463 1463  (((
... ... @@ -1465,11 +1465,11 @@
1465 1465  )))
1466 1466  
1467 1467  (((
1468 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1282 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1469 1469  )))
1470 1470  
1471 1471  (((
1472 -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.
1286 +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.
1473 1473  )))
1474 1474  
1475 1475  (((
... ... @@ -1485,10 +1485,10 @@
1485 1485  )))
1486 1486  
1487 1487  * (((
1488 -Connect sensor's output to DI1+
1302 +Connect sensor’s output to DI1+
1489 1489  )))
1490 1490  * (((
1491 -Connect sensor's GND DI1-.
1305 +Connect sensor’s GND DI1-.
1492 1492  )))
1493 1493  
1494 1494  (((
... ... @@ -1516,10 +1516,10 @@
1516 1516  )))
1517 1517  
1518 1518  * (((
1519 -Connect sensor's output to DI1+ with a serial 50K resistor
1333 +Connect sensor’s output to DI1+ with a serial 50K resistor
1520 1520  )))
1521 1521  * (((
1522 -Connect sensor's GND DI1-.
1336 +Connect sensor’s GND DI1-.
1523 1523  )))
1524 1524  
1525 1525  (((
... ... @@ -1535,19 +1535,17 @@
1535 1535  )))
1536 1536  
1537 1537  
1352 +
1538 1538  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1539 1539  
1355 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1540 1540  
1541 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1542 -
1543 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1544 -
1545 1545  [[image:1653357531600-905.png]]
1546 1546  
1547 1547  
1360 +
1548 1548  === 3.6.4 Analog Input Interface ===
1549 1549  
1550 -
1551 1551  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:
1552 1552  
1553 1553  
... ... @@ -1560,13 +1560,13 @@
1560 1560  We take the wind speed sensor as an example for reference only.
1561 1561  
1562 1562  
1563 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1375 +**Specifications of the wind speed sensor:**
1564 1564  
1565 -(% style="color:red" %)**Red:  12~~24v**
1377 +Red:  12~~24v
1566 1566  
1567 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1379 +Yellow:  4~~20mA
1568 1568  
1569 -**Black:  GND**
1381 +Black:  GND
1570 1570  
1571 1571  
1572 1572  **Connection diagram:**
... ... @@ -1576,40 +1576,31 @@
1576 1576  [[image:1653357648330-671.png||height="155" width="733"]]
1577 1577  
1578 1578  
1391 +
1579 1579  === 3.6.5 Relay Output ===
1580 1580  
1581 -
1582 1582  (((
1583 -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:
1584 -
1585 -**Note**: RO pins go to Open(NO) when device is power off.
1395 +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:
1586 1586  )))
1587 1587  
1588 1588  [[image:image-20220524100215-9.png]]
1589 1589  
1590 -
1591 1591  [[image:image-20220524100215-10.png||height="382" width="723"]]
1592 1592  
1593 1593  
1403 +
1594 1594  == 3.7 LEDs Indicators ==
1595 1595  
1596 -
1597 1597  [[image:image-20220524100748-11.png]]
1598 1598  
1599 1599  
1409 +
1600 1600  = 4. Use AT Command =
1601 1601  
1602 1602  == 4.1 Access AT Command ==
1603 1603  
1604 -
1605 -(((
1606 1606  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1607 -)))
1608 1608  
1609 -(((
1610 -
1611 -)))
1612 -
1613 1613  [[image:1653358238933-385.png]]
1614 1614  
1615 1615  
... ... @@ -1637,7 +1637,7 @@
1637 1637  )))
1638 1638  
1639 1639  (((
1640 -AT+<CMD>=?       :  Get the value
1443 +AT+<CMD>=?       : Get the value
1641 1641  )))
1642 1642  
1643 1643  (((
... ... @@ -1665,11 +1665,11 @@
1665 1665  )))
1666 1666  
1667 1667  (((
1668 -AT+APPSKEY:  Get or Set the Application Session Key
1471 +AT+APPSKEY: Get or Set the Application Session Key
1669 1669  )))
1670 1670  
1671 1671  (((
1672 -AT+APPEUI:  Get or Set the Application EUI
1475 +AT+APPEUI: Get or Set the Application EUI
1673 1673  )))
1674 1674  
1675 1675  (((
... ... @@ -1681,7 +1681,7 @@
1681 1681  )))
1682 1682  
1683 1683  (((
1684 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1487 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1685 1685  )))
1686 1686  
1687 1687  (((
... ... @@ -1717,7 +1717,7 @@
1717 1717  )))
1718 1718  
1719 1719  (((
1720 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1523 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1721 1721  )))
1722 1722  
1723 1723  (((
... ... @@ -1761,7 +1761,7 @@
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -AT+VER:  Get current image version and Frequency Band
1567 +AT+VER: Get current image version and Frequency Band
1765 1765  )))
1766 1766  
1767 1767  (((
... ... @@ -1769,7 +1769,7 @@
1769 1769  )))
1770 1770  
1771 1771  (((
1772 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1575 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1773 1773  )))
1774 1774  
1775 1775  (((
... ... @@ -1809,6 +1809,7 @@
1809 1809  )))
1810 1810  
1811 1811  
1615 +
1812 1812  == 4.2 Common AT Command Sequence ==
1813 1813  
1814 1814  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1816,101 +1816,98 @@
1816 1816  (((
1817 1817  
1818 1818  
1819 -(((
1820 -(% style="color:blue" %)**If device has not joined network yet:**
1623 +**If device has not joined network yet:**
1821 1821  )))
1822 -)))
1823 1823  
1824 1824  (((
1825 -(% style="background-color:#dcdcdc" %)**123456**
1627 +(% style="background-color:#dcdcdc" %)123456
1826 1826  )))
1827 1827  
1828 1828  (((
1829 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1631 +(% style="background-color:#dcdcdc" %)AT+FDR
1830 1830  )))
1831 1831  
1832 1832  (((
1833 -(% style="background-color:#dcdcdc" %)**123456**
1635 +(% style="background-color:#dcdcdc" %)123456
1834 1834  )))
1835 1835  
1836 1836  (((
1837 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1639 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1838 1838  )))
1839 1839  
1840 1840  (((
1841 -(% style="background-color:#dcdcdc" %)**ATZ**
1643 +(% style="background-color:#dcdcdc" %)ATZ
1842 1842  )))
1843 1843  
1844 1844  
1845 1845  (((
1846 -(% style="color:blue" %)**If device already joined network:**
1648 +**If device already joined network:**
1847 1847  )))
1848 1848  
1849 1849  (((
1850 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1652 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% style="background-color:#dcdcdc" %)**ATZ**
1656 +(% style="background-color:#dcdcdc" %)ATZ
1855 1855  )))
1856 1856  
1857 1857  
1660 +
1858 1858  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1859 1859  
1860 1860  (((
1861 1861  
1862 1862  
1863 -(((
1864 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1666 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1865 1865  )))
1866 -)))
1867 1867  
1868 1868  (((
1869 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1670 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1870 1870  )))
1871 1871  
1872 1872  (((
1873 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1674 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1874 1874  )))
1875 1875  
1876 1876  (((
1877 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1678 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1878 1878  )))
1879 1879  
1880 1880  (((
1881 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1682 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1882 1882  )))
1883 1883  
1884 1884  (((
1885 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1686 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1886 1886  )))
1887 1887  
1888 1888  (((
1889 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1690 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1890 1890  )))
1891 1891  
1892 1892  (((
1893 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1694 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1894 1894  )))
1895 1895  
1896 1896  (((
1897 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1698 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1898 1898  )))
1899 1899  
1900 1900  (((
1901 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1702 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1706 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1906 1906  )))
1907 1907  
1908 1908  (((
1909 -(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1710 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1714 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1914 1914  
1915 1915  
1916 1916  )))
... ... @@ -1920,16 +1920,10 @@
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1924 -
1925 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1926 -
1927 -**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1928 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1929 -
1930 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1931 -
1932 -
1724 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1725 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1726 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1727 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1933 1933  )))
1934 1934  
1935 1935  (((
... ... @@ -1940,30 +1940,19 @@
1940 1940  
1941 1941  )))
1942 1942  
1738 +
1943 1943  === 4.2.3 Change to Class A ===
1944 1944  
1741 +If sensor JOINED
1742 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1743 +ATZ
1945 1945  
1946 -(((
1947 -(% style="color:blue" %)**If sensor JOINED:**
1948 1948  
1949 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1950 -ATZ**
1951 -)))
1746 += 5. FAQ =
1952 1952  
1748 +== 5.1 How to upgrade the image? ==
1953 1953  
1954 -= 5. Case Study =
1955 1955  
1956 -== 5.1 Counting how many objects pass in Flow Line ==
1957 -
1958 -
1959 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1960 -
1961 -
1962 -= 6. FAQ =
1963 -
1964 -== 6.1 How to upgrade the image? ==
1965 -
1966 -
1967 1967  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1968 1968  
1969 1969  * Support new features
... ... @@ -1977,38 +1977,31 @@
1977 1977  
1978 1978  (((
1979 1979  (% style="color:blue" %)**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]].
1980 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1764 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1981 1981  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1982 1982  
1983 1983  
1984 -(((
1985 1985  (% style="color:blue" %)**For LT-22222-L**(%%):
1986 1986  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1987 1987  )))
1988 1988  
1989 -
1990 -)))
1991 -
1992 1992   [[image:image-20220524103407-12.png]]
1993 1993  
1994 -
1995 1995  [[image:image-20220524103429-13.png]]
1996 1996  
1997 -
1998 1998  [[image:image-20220524104033-15.png]]
1999 1999  
2000 2000  
2001 2001  (% 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:
2002 2002  
2003 -
2004 2004  [[image:1653360054704-518.png||height="186" width="745"]]
2005 2005  
2006 2006  
2007 2007  (((
2008 2008  (((
2009 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2010 -
2011 2011  
1787 +
1788 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2012 2012  )))
2013 2013  )))
2014 2014  
... ... @@ -2019,9 +2019,7 @@
2019 2019  (((
2020 2020  
2021 2021  
2022 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2023 -
2024 -
1799 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2025 2025  )))
2026 2026  
2027 2027  (((
... ... @@ -2039,39 +2039,33 @@
2039 2039  )))
2040 2040  
2041 2041  (((
2042 -(% style="color:blue" %)**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.
2043 -
2044 -
1817 +(% 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.
2045 2045  )))
2046 2046  
2047 2047  (((
2048 2048  [[image:1653360231087-571.png||height="401" width="727"]]
2049 -
2050 -
2051 2051  )))
2052 2052  
2053 2053  (((
2054 -(% 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.**
1825 +(% 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.
2055 2055  )))
2056 2056  
2057 2057  
2058 -
2059 2059  (((
2060 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2061 -
2062 -
1830 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2063 2063  )))
2064 2064  
2065 2065  (((
2066 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2067 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2068 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2069 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2070 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2071 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2072 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2073 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2074 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1834 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1835 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1836 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1837 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1838 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1839 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1840 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1841 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1842 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1843 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2075 2075  )))
2076 2076  
2077 2077  
... ... @@ -2082,25 +2082,22 @@
2082 2082  [[image:1653360498588-932.png||height="485" width="726"]]
2083 2083  
2084 2084  
2085 -== 6.4 Can I see counting event in Serial? ==
1854 +== 5.4 Can I see counting event in Serial? ==
2086 2086  
2087 -
2088 2088  (((
2089 -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.
1857 +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.
2090 2090  
2091 2091  
2092 -== 6.5 Can i use point to point communication for LT-22222-L? ==
1860 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2093 2093  
1862 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2094 2094  
2095 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2096 -
2097 2097  
2098 2098  )))
2099 2099  
2100 2100  (((
2101 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1868 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2102 2102  
2103 -
2104 2104  If the device is not shut down, but directly powered off.
2105 2105  
2106 2106  It will default that this is a power-off state.
... ... @@ -2110,29 +2110,12 @@
2110 2110  After restart, the status before power failure will be read from flash.
2111 2111  
2112 2112  
2113 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2114 -
2115 -
2116 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2117 -
2118 -
2119 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2120 -
2121 -
2122 -== 6.8 Can LT22222-L save RO state? ==
2123 -
2124 -
2125 -Firmware version needs to be no less than 1.6.0.
2126 -
2127 -
2128 -= 7. Trouble Shooting =
1879 += 6. Trouble Shooting =
2129 2129  )))
2130 2130  
2131 2131  (((
2132 2132  (((
2133 -== 7.1 Downlink doesn't work, how to solve it? ==
2134 -
2135 -
1884 +== 6.1 Downlink doesn't work, how to solve it? ==
2136 2136  )))
2137 2137  )))
2138 2138  
... ... @@ -2143,9 +2143,7 @@
2143 2143  (((
2144 2144  
2145 2145  
2146 -== 7.2 Have trouble to upload image. ==
2147 -
2148 -
1895 +== 6.2 Have trouble to upload image. ==
2149 2149  )))
2150 2150  
2151 2151  (((
... ... @@ -2155,9 +2155,7 @@
2155 2155  (((
2156 2156  
2157 2157  
2158 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2159 -
2160 -
1905 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2161 2161  )))
2162 2162  
2163 2163  (((
... ... @@ -2165,7 +2165,7 @@
2165 2165  )))
2166 2166  
2167 2167  
2168 -= 8. Order Info =
1913 += 7. Order Info =
2169 2169  
2170 2170  
2171 2171  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2182,9 +2182,10 @@
2182 2182  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2183 2183  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2184 2184  
2185 -= 9. Packing Info =
2186 2186  
1931 += 8. Packing Info =
2187 2187  
1933 +
2188 2188  **Package Includes**:
2189 2189  
2190 2190  * LT-22222-L I/O Controller x 1
... ... @@ -2199,8 +2199,8 @@
2199 2199  * Package Size / pcs : 14.5 x 8 x 5 cm
2200 2200  * Weight / pcs : 170g
2201 2201  
2202 -= 10. Support =
2203 2203  
1949 += 9. Support =
2204 2204  
2205 2205  * (((
2206 2206  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.
... ... @@ -2207,16 +2207,11 @@
2207 2207  )))
2208 2208  * (((
2209 2209  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]]
2210 -
2211 -
2212 -
2213 2213  )))
2214 2214  
2215 -= 11. Reference​​​​​ =
1958 += 10. Reference​​​​​ =
2216 2216  
2217 -
2218 2218  * 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]]
2219 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1961 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1962 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2220 2220  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2221 -
2222 -
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