Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -19,6 +19,8 @@ 19 19 == 1.1 What is LT Series I/O Controller == 20 20 21 21 ((( 22 + 23 + 22 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. 23 23 ))) 24 24 ... ... @@ -48,6 +48,7 @@ 48 48 49 49 ))) 50 50 53 + 51 51 == 1.2 Specifications == 52 52 53 53 ((( ... ... @@ -75,8 +75,9 @@ 75 75 ))) 76 76 ))) 77 77 78 - 79 79 ((( 82 + 83 + 80 80 **Interface for Model: LT22222-L:** 81 81 ))) 82 82 ... ... @@ -99,8 +99,9 @@ 99 99 Power Input 7~~ 24V DC. 100 100 ))) 101 101 102 - 103 103 ((( 107 + 108 + 104 104 **LoRa Spec:** 105 105 ))) 106 106 ... ... @@ -161,11 +161,11 @@ 161 161 * ((( 162 162 Packet engine up to 256 bytes with CRC. 163 163 169 + 170 + 164 164 165 165 ))) 166 166 167 - 168 - 169 169 == 1.3 Features == 170 170 171 171 * LoRaWAN Class A & Class C protocol ... ... @@ -203,7 +203,6 @@ 203 203 ))) 204 204 205 205 206 - 207 207 = 2. Power ON Device = 208 208 209 209 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. ... ... @@ -226,12 +226,9 @@ 226 226 227 227 ((( 228 228 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. 229 - 230 - 231 231 ))) 232 232 233 233 234 - 235 235 == 3.2 Example to join LoRaWAN network == 236 236 237 237 ((( ... ... @@ -240,12 +240,13 @@ 240 240 241 241 [[image:image-20220523172350-1.png||height="266" width="864"]] 242 242 244 + 243 243 ((( 244 244 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: 245 245 ))) 246 246 247 247 ((( 248 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller. 250 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller. 249 249 ))) 250 250 251 251 ((( ... ... @@ -254,6 +254,7 @@ 254 254 255 255 [[image:1653297924498-393.png]] 256 256 259 + 257 257 Input these keys in the LoRaWAN Server portal. Below is TTN screen shot: 258 258 259 259 Add APP EUI in the application. ... ... @@ -267,7 +267,7 @@ 267 267 268 268 269 269 ((( 270 -**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. 273 +(% 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. 271 271 ))) 272 272 273 273 [[image:1653298044601-602.png||height="405" width="709"]] ... ... @@ -285,6 +285,8 @@ 285 285 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 286 286 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 287 287 291 + 292 + 288 288 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 289 289 290 290 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -292,6 +292,8 @@ 292 292 [[image:image-20220523174024-3.png]] 293 293 294 294 ((( 300 + 301 + 295 295 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 296 296 ))) 297 297 ... ... @@ -305,6 +305,7 @@ 305 305 306 306 For example if payload is: [[image:image-20220523175847-2.png]] 307 307 315 + 308 308 **The value for the interface is: ** 309 309 310 310 AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V ... ... @@ -335,8 +335,11 @@ 335 335 ** DO1 is high in case there is load between DO1 and V+. 336 336 ** DO1 LED is off in both case 337 337 346 + 347 + 338 338 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 339 339 350 + 340 340 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 341 341 342 342 ((( ... ... @@ -345,6 +345,7 @@ 345 345 346 346 [[image:image-20220523180452-3.png]] 347 347 359 + 348 348 ((( 349 349 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 350 350 ))) ... ... @@ -360,6 +360,8 @@ 360 360 ))) 361 361 362 362 ((( 375 + 376 + 363 363 **To use counting mode, please run:** 364 364 ))) 365 365 ... ... @@ -367,17 +367,14 @@ 367 367 ((( 368 368 ((( 369 369 **AT+MOD=2** 370 -))) 371 -))) 372 372 373 -(% class="box infomessage" %) 374 -((( 375 -((( 376 376 **ATZ** 377 377 ))) 378 378 ))) 379 379 380 380 ((( 390 + 391 + 381 381 (% style="color:#4f81bd" %)**AT Commands for counting:** 382 382 ))) 383 383 ... ... @@ -389,45 +389,21 @@ 389 389 ((( 390 390 ((( 391 391 **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 392 -))) 393 -))) 394 394 395 -(% class="box infomessage" %) 396 -((( 397 -((( 398 398 **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 399 -))) 400 -))) 401 401 402 -(% class="box infomessage" %) 403 -((( 404 -((( 405 405 **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 406 -))) 407 -))) 408 408 409 -(% class="box infomessage" %) 410 -((( 411 -((( 412 412 **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 413 -))) 414 -))) 415 415 416 -(% class="box infomessage" %) 417 -((( 418 -((( 419 419 **AT+SETCNT=1,60 (Set COUNT1 value to 60)** 420 -))) 421 -))) 422 422 423 -(% class="box infomessage" %) 424 -((( 425 -((( 426 426 **AT+SETCNT=2,60 (Set COUNT2 value to 60)** 427 427 ))) 428 428 ))) 429 429 430 430 417 + 431 431 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 432 432 433 433 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -456,12 +456,7 @@ 456 456 ((( 457 457 ((( 458 458 **AT+MOD=3** 459 -))) 460 -))) 461 461 462 -(% class="box infomessage" %) 463 -((( 464 -((( 465 465 **ATZ** 466 466 ))) 467 467 ))) ... ... @@ -468,12 +468,13 @@ 468 468 469 469 ((( 470 470 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 471 - 472 - 473 473 ))) 474 474 455 + 456 + 475 475 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 476 476 459 + 477 477 **LT22222-L**: This mode the DI1 is used as a counting pin. 478 478 479 479 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. ... ... @@ -480,6 +480,7 @@ 480 480 481 481 [[image:image-20220523181903-8.png]] 482 482 466 + 483 483 ((( 484 484 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 485 485 ))) ... ... @@ -495,6 +495,8 @@ 495 495 ))) 496 496 497 497 ((( 482 + 483 + 498 498 **To use this mode, please run:** 499 499 ))) 500 500 ... ... @@ -502,25 +502,20 @@ 502 502 ((( 503 503 ((( 504 504 **AT+MOD=4** 505 -))) 506 -))) 507 507 508 -(% class="box infomessage" %) 509 -((( 510 -((( 511 511 **ATZ** 512 512 ))) 513 513 ))) 514 514 515 -((( 516 - 517 -))) 518 518 497 + 519 519 ((( 520 520 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 521 521 ))) 522 522 523 523 ((( 503 + 504 + 524 524 **Plus below command for AVI1 Counting:** 525 525 ))) 526 526 ... ... @@ -527,28 +527,13 @@ 527 527 (% class="box infomessage" %) 528 528 ((( 529 529 ((( 530 -**AT+SETCNT=3,60 (set AVI Count to 60)** 531 -))) 532 -))) 511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** (set AVI Count to 60)** 533 533 534 -(% class="box infomessage" %) 535 -((( 536 -((( 537 -**AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 538 -))) 539 -))) 513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)** (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 540 540 541 -(% class="box infomessage" %) 542 -((( 543 -((( 544 -**AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 545 -))) 546 -))) 515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)** (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 547 547 548 -(% class="box infomessage" %) 549 -((( 550 -((( 551 -**AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 517 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 552 552 ))) 553 553 ))) 554 554 ... ... @@ -555,11 +555,14 @@ 555 555 556 556 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 557 557 524 + 558 558 **LT22222-L**: This mode the DI1 is used as a counting pin. 559 559 560 560 [[image:image-20220523182334-9.png]] 561 561 562 562 ((( 530 + 531 + 563 563 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 564 564 ))) 565 565 ... ... @@ -574,6 +574,8 @@ 574 574 ))) 575 575 576 576 ((( 546 + 547 + 577 577 **To use this mode, please run:** 578 578 ))) 579 579 ... ... @@ -581,12 +581,7 @@ 581 581 ((( 582 582 ((( 583 583 **AT+MOD=5** 584 -))) 585 -))) 586 586 587 -(% class="box infomessage" %) 588 -((( 589 -((( 590 590 **ATZ** 591 591 ))) 592 592 ))) ... ... @@ -593,12 +593,13 @@ 593 593 594 594 ((( 595 595 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 596 - 597 - 598 598 ))) 599 599 564 + 565 + 600 600 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 601 601 568 + 602 602 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 603 603 604 604 For example, if user has configured below commands: ... ... @@ -611,7 +611,7 @@ 611 611 1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type 612 612 1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.** 613 613 614 -**AT Command to set Trigger Condition**: 581 +(% style="color:#037691" %)**AT Command to set Trigger Condition**: 615 615 616 616 (% style="color:#4f81bd" %)**Trigger base on voltage**: 617 617 ... ... @@ -624,6 +624,7 @@ 624 624 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 625 625 626 626 594 + 627 627 (% style="color:#4f81bd" %)**Trigger base on current**: 628 628 629 629 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -633,6 +633,7 @@ 633 633 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 634 634 635 635 604 + 636 636 (% style="color:#4f81bd" %)**Trigger base on DI status**: 637 637 638 638 DI status trigger Flag. ... ... @@ -639,12 +639,13 @@ 639 639 640 640 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 641 641 611 + 642 642 **Example:** 643 643 644 644 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 645 645 646 646 647 -**Downlink Command to set Trigger Condition** 617 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:** 648 648 649 649 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 650 650 ... ... @@ -662,14 +662,18 @@ 662 662 663 663 Yy4 yy4: AC2 or AV2 high limit. 664 664 635 + 665 665 **Example1**: AA 00 13 88 00 00 00 00 00 00 666 666 667 667 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 668 668 640 + 669 669 **Example2**: AA 02 01 00 670 670 671 671 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 672 672 645 + 646 + 673 673 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 674 674 675 675 MOD6 Payload : total 11 bytes payload ... ... @@ -676,6 +676,7 @@ 676 676 677 677 [[image:image-20220524085923-1.png]] 678 678 653 + 679 679 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 680 680 681 681 [[image:image-20220524090106-2.png]] ... ... @@ -720,14 +720,18 @@ 720 720 When device got this command, it will send the MOD6 payload. 721 721 722 722 698 + 723 723 === 3.3.7 Payload Decoder === 724 724 725 725 ((( 702 + 703 + 726 726 **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/]] 727 727 728 728 729 729 ))) 730 730 709 + 731 731 == 3.4 Configure LT via AT or Downlink == 732 732 733 733 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -740,11 +740,14 @@ 740 740 741 741 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 742 742 722 + 723 + 743 743 === 3.4.1 Common Commands === 744 744 745 745 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]] 746 746 747 747 729 + 748 748 === 3.4.2 Sensor related commands === 749 749 750 750 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -751,7 +751,7 @@ 751 751 752 752 Set device uplink interval. 753 753 754 -* AT Command: 736 +* (% style="color:#037691" %)**AT Command:** 755 755 756 756 (% class="box infomessage" %) 757 757 ((( ... ... @@ -760,8 +760,9 @@ 760 760 761 761 **Example: **AT+TDC=30000. Means set interval to 30 seconds 762 762 763 -* Downlink Payload (prefix 0x01): 764 764 746 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):** 747 + 765 765 (% class="box infomessage" %) 766 766 ((( 767 767 **0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** ... ... @@ -768,11 +768,12 @@ 768 768 ))) 769 769 770 770 754 + 771 771 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 772 772 773 773 Set work mode. 774 774 775 -* AT Command: 759 +* (% style="color:#037691" %)**AT Command:** 776 776 777 777 (% class="box infomessage" %) 778 778 ((( ... ... @@ -781,8 +781,9 @@ 781 781 782 782 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 783 783 784 -* Downlink Payload (prefix 0x0A): 785 785 769 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 770 + 786 786 (% class="box infomessage" %) 787 787 ((( 788 788 **0x0A aa ~/~/ Same as AT+MOD=aa** ... ... @@ -789,14 +789,16 @@ 789 789 ))) 790 790 791 791 777 + 792 792 ==== 3.4.2.3 Poll an uplink ==== 793 793 794 -* AT Command: 780 +* (% style="color:#037691" %)AT Command: 795 795 796 796 There is no AT Command to poll uplink 797 797 798 -* Downlink Payload (prefix 0x08): 799 799 785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08): 786 + 800 800 (% class="box infomessage" %) 801 801 ((( 802 802 **0x08 FF ~/~/ Poll an uplink,** ... ... @@ -805,11 +805,12 @@ 805 805 **Example**: 0x08FF, ask device to send an Uplink 806 806 807 807 795 + 808 808 ==== 3.4.2.4 Enable Trigger Mode ==== 809 809 810 810 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 811 811 812 -* AT Command: 800 +* (% style="color:#037691" %)AT Command: 813 813 814 814 (% class="box infomessage" %) 815 815 ((( ... ... @@ -820,8 +820,9 @@ 820 820 821 821 0: Disable Trigger Mode 822 822 823 -* Downlink Payload (prefix 0x0A 06): 824 824 812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06): 813 + 825 825 (% class="box infomessage" %) 826 826 ((( 827 827 **0x0A 06 aa ~/~/ Same as AT+ADDMOD6=aa,** ... ... @@ -828,16 +828,18 @@ 828 828 ))) 829 829 830 830 820 + 831 831 ==== 3.4.2.5 Poll trigger settings ==== 832 832 833 833 Poll trigger settings, 834 834 835 -* AT Command: 825 +* (% style="color:#037691" %)AT Command: 836 836 837 837 There is no AT Command for this feature. 838 838 839 -* Downlink Payload (prefix 0x AB 06): 840 840 830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06): 831 + 841 841 (% class="box infomessage" %) 842 842 ((( 843 843 **0xAB 06 ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command** ... ... @@ -844,11 +844,12 @@ 844 844 ))) 845 845 846 846 838 + 847 847 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 848 848 849 849 Enable Disable DI1/DI2/DI2 as trigger, 850 850 851 -* AT Command: 843 +* (% style="color:#037691" %)AT Command: 852 852 853 853 (% class="box infomessage" %) 854 854 ((( ... ... @@ -855,11 +855,12 @@ 855 855 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 856 856 ))) 857 857 850 + 858 858 **Example:** 859 859 860 860 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 861 861 862 -* Downlink Payload (prefix 0xAA 02): 855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02): 863 863 864 864 (% class="box infomessage" %) 865 865 ((( ... ... @@ -867,11 +867,12 @@ 867 867 ))) 868 868 869 869 863 + 870 870 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 871 871 872 872 Set DI1 or DI3(for LT-33222-L) trigger. 873 873 874 -* AT Command: 868 +* (% style="color:#037691" %)AT Command: 875 875 876 876 (% class="box infomessage" %) 877 877 ((( ... ... @@ -882,12 +882,14 @@ 882 882 883 883 b : delay timing. 884 884 879 + 885 885 **Example:** 886 886 887 887 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 888 888 889 -* Downlink Payload (prefix 0x09 01 ): 890 890 885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ): 886 + 891 891 (% class="box infomessage" %) 892 892 ((( 893 893 **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** ... ... @@ -894,11 +894,12 @@ 894 894 ))) 895 895 896 896 893 + 897 897 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 898 898 899 899 Set DI2 trigger. 900 900 901 -* AT Command: 898 +* (% style="color:#037691" %)AT Command: 902 902 903 903 (% class="box infomessage" %) 904 904 ((( ... ... @@ -909,12 +909,14 @@ 909 909 910 910 b : delay timing. 911 911 909 + 912 912 **Example:** 913 913 914 914 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 915 915 916 -* Downlink Payload (prefix 0x09 02 ): 917 917 915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ): 916 + 918 918 (% class="box infomessage" %) 919 919 ((( 920 920 **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** ... ... @@ -921,11 +921,12 @@ 921 921 ))) 922 922 923 923 923 + 924 924 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 925 925 926 926 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 927 927 928 -* AT Command: 928 +* (% style="color:#037691" %)AT Command: 929 929 930 930 (% class="box infomessage" %) 931 931 ((( ... ... @@ -932,8 +932,9 @@ 932 932 **AT+ACLIM. ** 933 933 ))) 934 934 935 -* Downlink Payload (prefix 0xAA 01 ): 936 936 936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ): 937 + 937 937 (% class="box infomessage" %) 938 938 ((( 939 939 **0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** ... ... @@ -940,11 +940,12 @@ 940 940 ))) 941 941 942 942 944 + 943 943 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 944 944 945 945 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 946 946 947 -* AT Command: 949 +* (% style="color:#037691" %)AT Command: 948 948 949 949 (% class="box infomessage" %) 950 950 ((( ... ... @@ -951,8 +951,9 @@ 951 951 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 952 952 ))) 953 953 954 -* Downlink Payload (prefix 0xAA 00 ): 955 955 957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ): 958 + 956 956 (% class="box infomessage" %) 957 957 ((( 958 958 **0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ** ... ... @@ -959,11 +959,12 @@ 959 959 ))) 960 960 961 961 965 + 962 962 ==== 3.4.2.11 Trigger – Set minimum interval ==== 963 963 964 964 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. 965 965 966 -* AT Command: 970 +* (% style="color:#037691" %)AT Command: 967 967 968 968 (% class="box infomessage" %) 969 969 ((( ... ... @@ -970,8 +970,9 @@ 970 970 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 971 971 ))) 972 972 973 -* Downlink Payload (prefix 0xAC ): 974 974 978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ): 979 + 975 975 (% class="box infomessage" %) 976 976 ((( 977 977 **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)** ... ... @@ -978,14 +978,16 @@ 978 978 ))) 979 979 980 980 986 + 981 981 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 982 982 983 -* AT Command: 989 +* (% style="color:#037691" %)AT Command: 984 984 985 985 There is no AT Command to control Digital Output 986 986 987 -* Downlink Payload (prefix 0x02): 988 988 994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02): 995 + 989 989 (% class="box infomessage" %) 990 990 ((( 991 991 **0x02 aa bb cc ~/~/ Set DO1/DO2/DO3 output** ... ... @@ -1010,14 +1010,16 @@ 1010 1010 ))) 1011 1011 1012 1012 1020 + 1013 1013 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1014 1014 1015 -* AT Command: 1023 +* (% style="color:#037691" %)AT Command: 1016 1016 1017 1017 There is no AT Command to control Digital Output 1018 1018 1019 -* Downlink Payload (prefix 0xA9): 1020 1020 1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9): 1029 + 1021 1021 (% class="box infomessage" %) 1022 1022 ((( 1023 1023 ((( ... ... @@ -1035,18 +1035,22 @@ 1035 1035 1036 1036 00: DO pins will change to an inverter state after timeout 1037 1037 1047 + 1038 1038 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1039 1039 1040 1040 [[image:image-20220524093238-6.png]] 1041 1041 1052 + 1042 1042 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1043 1043 1044 1044 [[image:image-20220524093328-7.png]] 1045 1045 1057 + 1046 1046 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1047 1047 1048 1048 [[image:image-20220524093351-8.png]] 1049 1049 1062 + 1050 1050 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1051 1051 1052 1052 Latching time. Unit: ms ... ... @@ -1053,6 +1053,7 @@ 1053 1053 1054 1054 Device will upload a packet if downlink code executes successfully. 1055 1055 1069 + 1056 1056 **Example payload:** 1057 1057 1058 1058 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1072,14 +1072,16 @@ 1072 1072 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 1073 1073 1074 1074 1075 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1076 1076 1077 - *ATCommand:1090 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1078 1078 1092 +* (% style="color:#037691" %)AT Command: 1093 + 1079 1079 There is no AT Command to control Relay Output 1080 1080 1081 -* Downlink Payload (prefix 0x03): 1082 1082 1097 +* (% style="color:#037691" %)Downlink Payload (prefix 0x03): 1098 + 1083 1083 (% class="box infomessage" %) 1084 1084 ((( 1085 1085 **0x03 aa bb ~/~/ Set RO1/RO2 output** ... ... @@ -1100,14 +1100,16 @@ 1100 1100 Device will upload a packet if downlink code executes successfully. 1101 1101 1102 1102 1119 + 1103 1103 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1104 1104 1105 -* AT Command: 1122 +* (% style="color:#037691" %)AT Command: 1106 1106 1107 1107 There is no AT Command to control Relay Output 1108 1108 1109 -* Downlink Payload (prefix 0x05): 1110 1110 1127 +* (% style="color:#037691" %)Downlink Payload (prefix 0x05): 1128 + 1111 1111 (% class="box infomessage" %) 1112 1112 ((( 1113 1113 **0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control:** ... ... @@ -1123,14 +1123,17 @@ 1123 1123 1124 1124 00: Relays will change to an inverter state after timeout 1125 1125 1144 + 1126 1126 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1127 1127 1128 1128 [[image:image-20220524093831-10.png]] 1129 1129 1149 + 1130 1130 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1131 1131 1132 1132 Device will upload a packet if downlink code executes successfully. 1133 1133 1154 + 1134 1134 **Example payload:** 1135 1135 1136 1136 **~1. 05 01 11 07 D0** ... ... @@ -1150,11 +1150,12 @@ 1150 1150 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1151 1151 1152 1152 1174 + 1153 1153 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1154 1154 1155 1155 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1156 1156 1157 -* AT Command: 1179 +* (% style="color:#037691" %)AT Command: 1158 1158 1159 1159 (% class="box infomessage" %) 1160 1160 ((( ... ... @@ -1161,8 +1161,9 @@ 1161 1161 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1162 1162 ))) 1163 1163 1164 -* Downlink Payload (prefix 0xA5): 1165 1165 1187 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA5): 1188 + 1166 1166 (% class="box infomessage" %) 1167 1167 ((( 1168 1168 **0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** ... ... @@ -1169,9 +1169,10 @@ 1169 1169 ))) 1170 1170 1171 1171 1195 + 1172 1172 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1173 1173 1174 -* AT Command: 1198 +* (% style="color:#037691" %)AT Command: 1175 1175 1176 1176 (% class="box infomessage" %) 1177 1177 ((( ... ... @@ -1186,8 +1186,9 @@ 1186 1186 1187 1187 Bb cc dd ee: number to be set 1188 1188 1189 -* Downlink Payload (prefix 0xA8): 1190 1190 1214 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA8): 1215 + 1191 1191 (% class="box infomessage" %) 1192 1192 ((( 1193 1193 **0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** ... ... @@ -1194,11 +1194,12 @@ 1194 1194 ))) 1195 1195 1196 1196 1222 + 1197 1197 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1198 1198 1199 1199 Clear counting for counting mode 1200 1200 1201 -* AT Command: 1227 +* (% style="color:#037691" %)AT Command: 1202 1202 1203 1203 (% class="box infomessage" %) 1204 1204 ((( ... ... @@ -1205,7 +1205,7 @@ 1205 1205 **AT+CLRCOUNT ~/~/ clear all counting** 1206 1206 ))) 1207 1207 1208 -* Downlink Payload (prefix 0xA6): 1234 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA6): 1209 1209 1210 1210 (% class="box infomessage" %) 1211 1211 ((( ... ... @@ -1213,9 +1213,10 @@ 1213 1213 ))) 1214 1214 1215 1215 1242 + 1216 1216 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1217 1217 1218 -* AT Command: 1245 +* (% style="color:#037691" %)AT Command: 1219 1219 1220 1220 (% class="box infomessage" %) 1221 1221 ((( ... ... @@ -1222,7 +1222,7 @@ 1222 1222 **AT+COUTIME=60 ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)** 1223 1223 ))) 1224 1224 1225 -* Downlink Payload (prefix 0xA7): 1252 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA7): 1226 1226 1227 1227 (% class="box infomessage" %) 1228 1228 ((( ... ... @@ -1235,16 +1235,17 @@ 1235 1235 1236 1236 ))) 1237 1237 1265 + 1238 1238 == 3.5 Integrate with Mydevice == 1239 1239 1240 1240 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: 1241 1241 1242 1242 ((( 1243 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1271 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1244 1244 ))) 1245 1245 1246 1246 ((( 1247 -**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 +(% 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: 1248 1248 ))) 1249 1249 1250 1250 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1251,12 +1251,13 @@ 1251 1251 1252 1252 [[image:image-20220524094641-11.png||height="390" width="723"]] 1253 1253 1282 + 1254 1254 [[image:image-20220524094641-12.png||height="402" width="718"]] 1255 1255 1256 1256 1257 -**Step 3**: Create an account or log in Mydevices. 1286 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. 1258 1258 1259 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1288 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1260 1260 1261 1261 Search under The things network 1262 1262 ... ... @@ -1263,19 +1263,25 @@ 1263 1263 [[image:1653356838789-523.png||height="337" width="740"]] 1264 1264 1265 1265 1295 + 1266 1266 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1267 1267 1268 1268 [[image:image-20220524094909-1.png||height="335" width="729"]] 1269 1269 1300 + 1270 1270 [[image:image-20220524094909-2.png||height="337" width="729"]] 1271 1271 1303 + 1272 1272 [[image:image-20220524094909-3.png||height="338" width="727"]] 1273 1273 1306 + 1274 1274 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1275 1275 1309 + 1276 1276 [[image:image-20220524094909-5.png||height="341" width="734"]] 1277 1277 1278 1278 1313 + 1279 1279 == 3.6 Interface Detail == 1280 1280 1281 1281 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1285,6 +1285,7 @@ 1285 1285 [[image:1653356991268-289.png]] 1286 1286 1287 1287 1323 + 1288 1288 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1289 1289 1290 1290 ((( ... ... @@ -1310,7 +1310,7 @@ 1310 1310 ))) 1311 1311 1312 1312 ((( 1313 -**Example1**: Connect to a Low active sensor. 1349 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1314 1314 ))) 1315 1315 1316 1316 ((( ... ... @@ -1341,7 +1341,7 @@ 1341 1341 ))) 1342 1342 1343 1343 ((( 1344 -**Example2**: Connect to a High active sensor. 1380 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1345 1345 ))) 1346 1346 1347 1347 ((( ... ... @@ -1372,7 +1372,7 @@ 1372 1372 ))) 1373 1373 1374 1374 ((( 1375 -**Example3**: Connect to a 220v high active sensor. 1411 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1376 1376 ))) 1377 1377 1378 1378 ((( ... ... @@ -1399,6 +1399,7 @@ 1399 1399 ))) 1400 1400 1401 1401 1438 + 1402 1402 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1403 1403 1404 1404 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1406,12 +1406,14 @@ 1406 1406 [[image:1653357531600-905.png]] 1407 1407 1408 1408 1446 + 1409 1409 === 3.6.4 Analog Input Interface === 1410 1410 1411 1411 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: 1412 1412 1413 -**AC2 = (IN2 voltage )/12** 1414 1414 1452 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1453 + 1415 1415 [[image:1653357592296-182.png]] 1416 1416 1417 1417 Example to connect a 4~~20mA sensor ... ... @@ -1418,22 +1418,24 @@ 1418 1418 1419 1419 We take the wind speed sensor as an example for reference only. 1420 1420 1421 -Specifications of the wind speed sensor: 1422 1422 1423 - Red:12~~24v1461 +**Specifications of the wind speed sensor:** 1424 1424 1425 - Yellow:4~~20mA1463 +Red: 12~~24v 1426 1426 1427 - Black:GND1465 +Yellow: 4~~20mA 1428 1428 1467 +Black: GND 1429 1429 1430 -Connection diagram: 1431 1431 1470 +**Connection diagram:** 1471 + 1432 1432 [[image:1653357640609-758.png]] 1433 1433 1434 1434 [[image:1653357648330-671.png||height="155" width="733"]] 1435 1435 1436 1436 1477 + 1437 1437 === 3.6.5 Relay Output === 1438 1438 1439 1439 ((( ... ... @@ -1445,6 +1445,7 @@ 1445 1445 [[image:image-20220524100215-10.png||height="382" width="723"]] 1446 1446 1447 1447 1489 + 1448 1448 == 3.7 LEDs Indicators == 1449 1449 1450 1450 [[image:image-20220524100748-11.png]] ... ... @@ -1458,6 +1458,7 @@ 1458 1458 1459 1459 [[image:1653358238933-385.png]] 1460 1460 1503 + 1461 1461 ((( 1462 1462 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: 1463 1463 ))) ... ... @@ -1464,6 +1464,7 @@ 1464 1464 1465 1465 [[image:1653358355238-883.png]] 1466 1466 1510 + 1467 1467 ((( 1468 1468 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/]] 1469 1469 ))) ... ... @@ -1654,12 +1654,16 @@ 1654 1654 1655 1655 ))) 1656 1656 1701 + 1702 + 1657 1657 == 4.2 Common AT Command Sequence == 1658 1658 1659 1659 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1660 1660 1661 1661 ((( 1662 -If device has not joined network yet: 1708 + 1709 + 1710 +**If device has not joined network yet:** 1663 1663 ))) 1664 1664 1665 1665 ((( ... ... @@ -1684,7 +1684,7 @@ 1684 1684 1685 1685 1686 1686 ((( 1687 -If device already joined network: 1735 +**If device already joined network:** 1688 1688 ))) 1689 1689 1690 1690 ((( ... ... @@ -1697,10 +1697,14 @@ 1697 1697 1698 1698 ))) 1699 1699 1748 + 1749 + 1700 1700 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1701 1701 1702 1702 ((( 1703 -(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1753 + 1754 + 1755 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1704 1704 ))) 1705 1705 1706 1706 ((( ... ... @@ -1708,7 +1708,7 @@ 1708 1708 ))) 1709 1709 1710 1710 ((( 1711 -(% style="background-color:#dcdcdc" %) 123456(%%) 1763 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1712 1712 ))) 1713 1713 1714 1714 ((( ... ... @@ -1716,39 +1716,41 @@ 1716 1716 ))) 1717 1717 1718 1718 ((( 1719 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1771 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1720 1720 ))) 1721 1721 1722 1722 ((( 1723 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1775 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1724 1724 ))) 1725 1725 1726 1726 ((( 1727 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1779 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1728 1728 ))) 1729 1729 1730 1730 ((( 1731 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1783 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1732 1732 ))) 1733 1733 1734 1734 ((( 1735 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1787 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1736 1736 ))) 1737 1737 1738 1738 ((( 1739 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1791 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1740 1740 ))) 1741 1741 1742 1742 ((( 1743 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1795 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1744 1744 ))) 1745 1745 1746 1746 ((( 1747 -(% 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. 1799 +(% 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. 1748 1748 ))) 1749 1749 1750 1750 ((( 1751 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1803 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1804 + 1805 + 1752 1752 ))) 1753 1753 1754 1754 ((( ... ... @@ -1770,6 +1770,7 @@ 1770 1770 1771 1771 ))) 1772 1772 1827 + 1773 1773 === 4.2.3 Change to Class A === 1774 1774 1775 1775 If sensor JOINED ... ... @@ -1781,19 +1781,25 @@ 1781 1781 1782 1782 == 5.1 How to upgrade the image? == 1783 1783 1839 + 1784 1784 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1785 1785 1786 1786 * Support new features 1787 1787 * For bug fix 1788 1788 * Change LoRaWAN bands. 1845 + 1789 1789 Below shows the hardware connection for how to upload an image to the LT: 1790 -* [[image:1653359603330-121.png]] 1791 1791 1848 +[[image:1653359603330-121.png]] 1849 + 1850 + 1792 1792 ((( 1793 -**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]]. 1794 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1795 -**Step3: **Open flashloader; choose the correct COM port to update. 1796 -**For LT-22222-L**: 1852 +(% 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]]. 1853 +(% 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/]]. 1854 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1855 + 1856 + 1857 +(% style="color:blue" %)**For LT-22222-L**(%%): 1797 1797 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. 1798 1798 ))) 1799 1799 ... ... @@ -1803,6 +1803,7 @@ 1803 1803 1804 1804 [[image:image-20220524104033-15.png]] 1805 1805 1867 + 1806 1806 (% 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: 1807 1807 1808 1808 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1810,6 +1810,8 @@ 1810 1810 1811 1811 ((( 1812 1812 ((( 1875 + 1876 + 1813 1813 == 5.2 How to change the LoRa Frequency Bands/Region? == 1814 1814 ))) 1815 1815 ))) ... ... @@ -1816,11 +1816,11 @@ 1816 1816 1817 1817 ((( 1818 1818 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1819 - 1820 - 1821 1821 ))) 1822 1822 1823 1823 ((( 1886 + 1887 + 1824 1824 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1825 1825 ))) 1826 1826 ... ... @@ -1833,6 +1833,8 @@ 1833 1833 ((( 1834 1834 ((( 1835 1835 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1900 + 1901 + 1836 1836 ))) 1837 1837 ))) 1838 1838 ... ... @@ -1848,23 +1848,25 @@ 1848 1848 (% 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. 1849 1849 ))) 1850 1850 1917 + 1851 1851 ((( 1852 1852 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1853 1853 ))) 1854 1854 1855 1855 ((( 1856 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1857 -(% style="background-color:#dcdcdc" %)AT+FDR 1858 -(% style="background-color:#dcdcdc" %)123456 1859 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1860 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1861 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1862 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1863 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1864 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1865 -(% style="background-color:#dcdcdc" %)ATZ 1923 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1924 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1925 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1926 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1927 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1928 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1929 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1930 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1931 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1932 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1866 1866 ))) 1867 1867 1935 + 1868 1868 ((( 1869 1869 As shown in below: 1870 1870 ))) ... ... @@ -1881,11 +1881,19 @@ 1881 1881 == 5.5 Can i use point to point communication for LT-22222-L? == 1882 1882 1883 1883 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1884 - 1885 - 1886 1886 ))) 1887 1887 1888 1888 ((( 1955 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1956 + 1957 +If the device is not shut down, but directly powered off. 1958 + 1959 +It will default that this is a power-off state. 1960 + 1961 +In modes 2 to 5, DO RO status and pulse count are saved in flash. 1962 + 1963 +After restart, the status before power failure will be read from flash. 1964 + 1889 1889 = 6. Trouble Shooting = 1890 1890 ))) 1891 1891 ... ... @@ -1897,11 +1897,11 @@ 1897 1897 1898 1898 ((( 1899 1899 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1900 - 1901 - 1902 1902 ))) 1903 1903 1904 1904 ((( 1979 + 1980 + 1905 1905 == 6.2 Have trouble to upload image. == 1906 1906 ))) 1907 1907 ... ... @@ -1911,9 +1911,7 @@ 1911 1911 1912 1912 ((( 1913 1913 1914 -))) 1915 1915 1916 -((( 1917 1917 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1918 1918 ))) 1919 1919 ... ... @@ -1921,147 +1921,55 @@ 1921 1921 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1922 1922 ))) 1923 1923 1924 -((( 1925 - 1926 -))) 1927 1927 1928 - (((1999 + 1929 1929 = 7. Order Info = 1930 -))) 1931 1931 1932 -((( 1933 -((( 2002 + 1934 1934 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1935 -))) 1936 -))) 1937 1937 1938 -((( 1939 -((( 2005 + 1940 1940 (% style="color:#4f81bd" %)**XXX:** 1941 -))) 1942 -))) 1943 1943 1944 -((( 1945 -* ((( 1946 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1947 -))) 1948 -))) 2008 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2009 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2010 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2011 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2012 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2013 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2014 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2015 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2016 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1949 1949 1950 -((( 1951 -* ((( 1952 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1953 -))) 1954 -))) 1955 - 1956 -((( 1957 -* ((( 1958 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1959 -))) 1960 -))) 1961 - 1962 -((( 1963 -* ((( 1964 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1965 -))) 1966 -))) 1967 - 1968 -((( 1969 -* ((( 1970 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1971 -))) 1972 -))) 1973 - 1974 -((( 1975 -* ((( 1976 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1977 -))) 1978 -))) 1979 - 1980 -((( 1981 -* ((( 1982 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1983 -))) 1984 -))) 1985 - 1986 -((( 1987 -* ((( 1988 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1989 -))) 1990 -))) 1991 - 1992 -((( 1993 -* ((( 1994 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1995 - 1996 - 1997 -))) 1998 - 1999 1999 = 8. Packing Info = 2000 -))) 2001 2001 2002 -((( 2003 -((( 2020 + 2004 2004 **Package Includes**: 2005 -))) 2006 -))) 2007 2007 2008 -((( 2009 -((( 2010 2010 * LT-22222-L I/O Controller x 1 2011 2011 * Stick Antenna for LoRa RF part x 1 2012 2012 * Bracket for controller x1 2013 2013 * Program cable x 1 2014 -))) 2015 -))) 2016 2016 2017 -((( 2018 -((( 2019 2019 **Dimension and weight**: 2020 -))) 2021 -))) 2022 2022 2023 -((( 2024 -((( 2025 2025 * Device Size: 13.5 x 7 x 3 cm 2026 2026 * Device Weight: 105g 2027 2027 * Package Size / pcs : 14.5 x 8 x 5 cm 2028 2028 * Weight / pcs : 170g 2029 2029 2030 - 2031 -))) 2032 -))) 2033 - 2034 -((( 2035 2035 = 9. Support = 2036 -))) 2037 2037 2038 2038 * ((( 2039 -((( 2040 2040 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. 2041 2041 ))) 2042 -))) 2043 2043 * ((( 2044 -((( 2045 -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 2041 +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]] 2046 2046 ))) 2047 -))) 2048 2048 2049 -((( 2050 -((( 2051 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2052 - 2053 - 2054 -))) 2055 - 2056 -((( 2057 2057 = 10. Reference = 2058 2058 2059 -* Product Page: 2060 - 2061 -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]] 2062 - 2046 +* 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]] 2063 2063 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2064 2064 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2065 2065 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2066 -))) 2067 -)))