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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... ... @@ -1,7 +1,6 @@ 1 1 (% style="text-align:center" %) 2 2 [[image:image-20220523163353-1.jpeg||height="604" width="500"]] 3 3 4 -**LT-22222-L LoRa IO Controller User Manual ** 5 5 6 6 7 7 **Table of Contents:** ... ... @@ -19,6 +19,8 @@ 19 19 == 1.1 What is LT Series I/O Controller == 20 20 21 21 ((( 21 + 22 + 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 ... ... @@ -40,6 +40,8 @@ 40 40 41 41 ((( 42 42 2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless. 44 + 45 + 43 43 ))) 44 44 45 45 ((( ... ... @@ -48,6 +48,7 @@ 48 48 49 49 ))) 50 50 54 + 51 51 == 1.2 Specifications == 52 52 53 53 ((( ... ... @@ -76,6 +76,8 @@ 76 76 ))) 77 77 78 78 ((( 83 + 84 + 79 79 **Interface for Model: LT22222-L:** 80 80 ))) 81 81 ... ... @@ -99,6 +99,8 @@ 99 99 ))) 100 100 101 101 ((( 108 + 109 + 102 102 **LoRa Spec:** 103 103 ))) 104 104 ... ... @@ -159,11 +159,14 @@ 159 159 * ((( 160 160 Packet engine up to 256 bytes with CRC. 161 161 170 + 171 + 162 162 163 163 ))) 164 164 165 165 == 1.3 Features == 166 166 177 + 167 167 * LoRaWAN Class A & Class C protocol 168 168 * Optional Customized LoRa Protocol 169 169 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865 ... ... @@ -172,8 +172,12 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 186 + 187 + 188 + 175 175 == 1.4 Applications == 176 176 191 + 177 177 * Smart Buildings & Home Automation 178 178 * Logistics and Supply Chain Management 179 179 * Smart Metering ... ... @@ -181,8 +181,12 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 199 + 200 + 201 + 184 184 == 1.5 Hardware Variants == 185 185 204 + 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) 187 187 |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description** 188 188 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)((( ... ... @@ -194,8 +194,11 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 216 + 217 + 197 197 = 2. Power ON Device = 198 198 220 + 199 199 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. 200 200 201 201 ((( ... ... @@ -210,14 +210,13 @@ 210 210 211 211 == 3.1 How it works? == 212 212 235 + 213 213 ((( 214 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED**will be on for 1 second.237 +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. 215 215 ))) 216 216 217 217 ((( 218 -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. 219 - 220 - 241 +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. 221 221 ))) 222 222 223 223 ... ... @@ -224,18 +224,24 @@ 224 224 225 225 == 3.2 Example to join LoRaWAN network == 226 226 248 + 227 227 ((( 228 228 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. 251 + 252 + 229 229 ))) 230 230 231 231 [[image:image-20220523172350-1.png||height="266" width="864"]] 232 232 257 + 233 233 ((( 234 234 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: 260 + 261 + 235 235 ))) 236 236 237 237 ((( 238 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller. 265 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller. 239 239 ))) 240 240 241 241 ((( ... ... @@ -244,6 +244,7 @@ 244 244 245 245 [[image:1653297924498-393.png]] 246 246 274 + 247 247 Input these keys in the LoRaWAN Server portal. Below is TTN screen shot: 248 248 249 249 Add APP EUI in the application. ... ... @@ -256,8 +256,9 @@ 256 256 [[image:1653298023685-319.png]] 257 257 258 258 287 + 259 259 ((( 260 -**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. 289 +(% 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. 261 261 ))) 262 262 263 263 [[image:1653298044601-602.png||height="405" width="709"]] ... ... @@ -266,22 +266,29 @@ 266 266 267 267 == 3.3 Uplink Payload == 268 268 298 + 269 269 There are five working modes + one interrupt mode on LT for different type application: 270 270 271 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO 272 -* **MOD2**: Double DI Counting + DO + RO 273 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO 274 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO 275 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 276 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 301 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO 302 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO 303 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO 304 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO 305 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 306 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 277 277 308 + 309 + 310 + 278 278 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 279 279 313 + 280 280 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. 281 281 282 282 [[image:image-20220523174024-3.png]] 283 283 284 284 ((( 319 + 320 + 285 285 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 286 286 ))) 287 287 ... ... @@ -295,6 +295,7 @@ 295 295 296 296 For example if payload is: [[image:image-20220523175847-2.png]] 297 297 334 + 298 298 **The value for the interface is: ** 299 299 300 300 AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V ... ... @@ -310,6 +310,7 @@ 310 310 * [1] RO1 relay channel is close and the RO1 LED is ON. 311 311 * [0] RO2 relay channel is open and RO2 LED is OFF; 312 312 350 + 313 313 **LT22222-L:** 314 314 315 315 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -325,8 +325,12 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 366 + 367 + 368 + 328 328 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 329 329 371 + 330 330 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 331 331 332 332 ((( ... ... @@ -335,6 +335,7 @@ 335 335 336 336 [[image:image-20220523180452-3.png]] 337 337 380 + 338 338 ((( 339 339 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 340 340 ))) ... ... @@ -350,6 +350,8 @@ 350 350 ))) 351 351 352 352 ((( 396 + 397 + 353 353 **To use counting mode, please run:** 354 354 ))) 355 355 ... ... @@ -357,75 +357,46 @@ 357 357 ((( 358 358 ((( 359 359 **AT+MOD=2** 360 -))) 361 -))) 362 362 363 -(% class="box infomessage" %) 364 -((( 365 -((( 366 366 **ATZ** 367 367 ))) 368 368 ))) 369 369 370 370 ((( 411 + 412 + 371 371 (% style="color:#4f81bd" %)**AT Commands for counting:** 372 372 ))) 373 373 374 374 ((( 375 375 **For LT22222-L:** 376 -))) 377 377 378 -(% class="box infomessage" %) 379 -((( 380 -((( 381 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 382 -))) 383 -))) 384 384 385 -(% class="box infomessage" %) 386 -((( 387 -((( 388 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 389 -))) 390 -))) 420 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (set DI1 port to trigger on low level, valid signal is 100ms) ** 391 391 392 -(% class="box infomessage" %) 393 -((( 394 -((( 395 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 396 -))) 397 -))) 422 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (set DI1 port to trigger on high level, valid signal is 100ms ) ** 398 398 399 -(% class="box infomessage" %) 400 -((( 401 -((( 402 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 403 -))) 404 -))) 424 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (set DI2 port to trigger on low level, valid signal is 100ms) ** 405 405 406 -(% class="box infomessage" %) 407 -((( 408 -((( 409 -**AT+SETCNT=1,60 (Set COUNT1 value to 60)** 410 -))) 411 -))) 426 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (set DI2 port to trigger on high level, valid signal is 100ms ) ** 412 412 413 -(% class="box infomessage" %) 414 -((( 415 -((( 416 -**AT+SETCNT=2,60 (Set COUNT2 value to 60)** 428 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (Set COUNT1 value to 60)** 429 + 430 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)** (Set COUNT2 value to 60)** 417 417 ))) 418 -))) 419 419 420 420 421 421 422 422 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 423 423 437 + 424 424 **LT22222-L**: This mode the DI1 is used as a counting pin. 425 425 426 426 [[image:image-20220523181246-5.png]] 427 427 428 428 ((( 443 + 444 + 429 429 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 430 430 ))) 431 431 ... ... @@ -439,6 +439,7 @@ 439 439 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 440 440 ))) 441 441 458 + 442 442 ((( 443 443 **To use counting mode, please run:** 444 444 ))) ... ... @@ -447,12 +447,7 @@ 447 447 ((( 448 448 ((( 449 449 **AT+MOD=3** 450 -))) 451 -))) 452 452 453 -(% class="box infomessage" %) 454 -((( 455 -((( 456 456 **ATZ** 457 457 ))) 458 458 ))) ... ... @@ -459,8 +459,6 @@ 459 459 460 460 ((( 461 461 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 462 - 463 - 464 464 ))) 465 465 466 466 ... ... @@ -467,6 +467,7 @@ 467 467 468 468 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 469 469 480 + 470 470 **LT22222-L**: This mode the DI1 is used as a counting pin. 471 471 472 472 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. ... ... @@ -473,6 +473,7 @@ 473 473 474 474 [[image:image-20220523181903-8.png]] 475 475 487 + 476 476 ((( 477 477 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 478 478 ))) ... ... @@ -488,6 +488,8 @@ 488 488 ))) 489 489 490 490 ((( 503 + 504 + 491 491 **To use this mode, please run:** 492 492 ))) 493 493 ... ... @@ -495,65 +495,44 @@ 495 495 ((( 496 496 ((( 497 497 **AT+MOD=4** 498 -))) 499 -))) 500 500 501 -(% class="box infomessage" %) 502 -((( 503 -((( 504 504 **ATZ** 505 505 ))) 506 506 ))) 507 507 508 -((( 509 - 510 -))) 511 511 518 + 512 512 ((( 513 513 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 514 514 ))) 515 515 516 516 ((( 524 + 525 + 517 517 **Plus below command for AVI1 Counting:** 518 -))) 519 519 520 -(% class="box infomessage" %) 521 -((( 522 -((( 523 -**AT+SETCNT=3,60 (set AVI Count to 60)** 524 -))) 525 -))) 526 526 527 -(% class="box infomessage" %) 528 -((( 529 -((( 530 -**AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 531 -))) 532 -))) 529 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** (set AVI Count to 60)** 533 533 534 -(% class="box infomessage" %) 535 -((( 536 -((( 537 -**AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 538 -))) 539 -))) 531 +(% 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=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 533 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)** (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 534 + 535 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 545 545 ))) 546 -))) 547 547 548 548 549 549 550 550 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 551 551 542 + 552 552 **LT22222-L**: This mode the DI1 is used as a counting pin. 553 553 554 554 [[image:image-20220523182334-9.png]] 555 555 556 556 ((( 548 + 549 + 557 557 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 558 558 ))) 559 559 ... ... @@ -568,6 +568,8 @@ 568 568 ))) 569 569 570 570 ((( 564 + 565 + 571 571 **To use this mode, please run:** 572 572 ))) 573 573 ... ... @@ -575,12 +575,7 @@ 575 575 ((( 576 576 ((( 577 577 **AT+MOD=5** 578 -))) 579 -))) 580 580 581 -(% class="box infomessage" %) 582 -((( 583 -((( 584 584 **ATZ** 585 585 ))) 586 586 ))) ... ... @@ -587,8 +587,6 @@ 587 587 588 588 ((( 589 589 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 590 - 591 - 592 592 ))) 593 593 594 594 ... ... @@ -595,12 +595,13 @@ 595 595 596 596 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 597 597 586 + 598 598 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 599 599 600 600 For example, if user has configured below commands: 601 601 602 -* **AT+MOD=1 ** **~-~->** The normal working mode 603 -* **AT+ADDMOD6=1** **~-~->** Enable trigger 591 +* **AT+MOD=1 ** **~-~->** The normal working mode 592 +* **AT+ADDMOD6=1** **~-~->** Enable trigger 604 604 605 605 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 606 606 ... ... @@ -607,8 +607,8 @@ 607 607 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 608 608 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.** 609 609 599 +(% style="color:#037691" %)**AT Command to set Trigger Condition**: 610 610 611 -**AT Command to set Trigger Condition**: 612 612 613 613 (% style="color:#4f81bd" %)**Trigger base on voltage**: 614 614 ... ... @@ -621,6 +621,7 @@ 621 621 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 622 622 623 623 613 + 624 624 (% style="color:#4f81bd" %)**Trigger base on current**: 625 625 626 626 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -630,6 +630,7 @@ 630 630 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 631 631 632 632 623 + 633 633 (% style="color:#4f81bd" %)**Trigger base on DI status**: 634 634 635 635 DI status trigger Flag. ... ... @@ -636,12 +636,13 @@ 636 636 637 637 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 638 638 630 + 639 639 **Example:** 640 640 641 641 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 642 642 643 643 644 -**Downlink Command to set Trigger Condition** 636 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:** 645 645 646 646 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 647 647 ... ... @@ -670,6 +670,7 @@ 670 670 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 671 671 672 672 665 + 673 673 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 674 674 675 675 MOD6 Payload : total 11 bytes payload ... ... @@ -683,7 +683,6 @@ 683 683 684 684 * Each bits shows if the corresponding trigger has been configured. 685 685 686 - 687 687 **Example:** 688 688 689 689 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -695,7 +695,6 @@ 695 695 696 696 * Each bits shows which status has been trigger on this uplink. 697 697 698 - 699 699 **Example:** 700 700 701 701 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -707,7 +707,6 @@ 707 707 708 708 * Each bits shows which status has been trigger on this uplink. 709 709 710 - 711 711 **Example:** 712 712 713 713 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -728,6 +728,8 @@ 728 728 === 3.3.7 Payload Decoder === 729 729 730 730 ((( 721 + 722 + 731 731 **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/]] 732 732 733 733 ... ... @@ -734,9 +734,9 @@ 734 734 ))) 735 735 736 736 737 - 738 738 == 3.4 Configure LT via AT or Downlink == 739 739 731 + 740 740 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands 741 741 742 742 ((( ... ... @@ -749,8 +749,10 @@ 749 749 750 750 751 751 744 + 752 752 === 3.4.1 Common Commands === 753 753 747 + 754 754 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]] 755 755 756 756 ... ... @@ -757,80 +757,72 @@ 757 757 758 758 === 3.4.2 Sensor related commands === 759 759 754 + 760 760 ==== 3.4.2.1 Set Transmit Interval ==== 761 761 757 + 762 762 Set device uplink interval. 763 763 764 -* AT Command: 760 +* (% style="color:#037691" %)**AT Command:** 765 765 766 -(% class="box infomessage" %) 767 -((( 768 768 **AT+TDC=N ** 769 -))) 770 770 764 + 771 771 **Example: **AT+TDC=30000. Means set interval to 30 seconds 772 772 773 773 774 -* Downlink Payload (prefix 0x01): 768 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):** 775 775 776 -(% class="box infomessage" %) 777 -((( 778 778 **0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** 779 -))) 780 780 781 781 782 782 774 + 783 783 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 784 784 777 + 785 785 Set work mode. 786 786 787 -* AT Command: 780 +* (% style="color:#037691" %)**AT Command:** 788 788 789 -(% class="box infomessage" %) 790 -((( 791 791 **AT+MOD=N ** 792 -))) 793 793 784 + 794 794 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 795 795 796 796 797 -* Downlink Payload (prefix 0x0A): 788 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 798 798 799 -(% class="box infomessage" %) 800 -((( 801 -**0x0A aa ~/~/ Same as AT+MOD=aa** 802 -))) 790 +**0x0A aa ** ~/~/ Same as AT+MOD=aa 803 803 804 804 805 805 794 + 806 806 ==== 3.4.2.3 Poll an uplink ==== 807 807 808 -* AT Command: 809 809 798 +* (% style="color:#037691" %)**AT Command:** 799 + 810 810 There is no AT Command to poll uplink 811 811 812 812 813 -* Downlink Payload (prefix 0x08): 803 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):** 814 814 815 -(% class="box infomessage" %) 816 -((( 817 -**0x08 FF ~/~/ Poll an uplink,** 818 -))) 805 +**0x08 FF **~/~/ Poll an uplink 819 819 820 820 **Example**: 0x08FF, ask device to send an Uplink 821 821 822 822 823 823 811 + 824 824 ==== 3.4.2.4 Enable Trigger Mode ==== 825 825 814 + 826 826 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 827 827 828 -* AT Command: 817 +* (% style="color:#037691" %)**AT Command:** 829 829 830 -(% class="box infomessage" %) 831 -((( 832 832 **AT+ADDMOD6=1 or 0** 833 -))) 834 834 835 835 1: Enable Trigger Mode 836 836 ... ... @@ -837,43 +837,38 @@ 837 837 0: Disable Trigger Mode 838 838 839 839 840 -* Downlink Payload (prefix 0x0A 06): 826 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** 841 841 842 -(% class="box infomessage" %) 843 -((( 844 -**0x0A 06 aa ~/~/ Same as AT+ADDMOD6=aa,** 845 -))) 828 +**0x0A 06 aa ** ~/~/ Same as AT+ADDMOD6=aa 846 846 847 847 848 848 832 + 849 849 ==== 3.4.2.5 Poll trigger settings ==== 850 850 835 + 851 851 Poll trigger settings, 852 852 853 -* AT Command: 838 +* (% style="color:#037691" %)**AT Command:** 854 854 855 855 There is no AT Command for this feature. 856 856 857 857 858 -* Downlink Payload (prefix 0x AB 06): 843 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):** 859 859 860 -(% class="box infomessage" %) 861 -((( 862 -**0xAB 06 ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command** 863 -))) 845 +**0xAB 06 **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command 864 864 865 865 866 866 849 + 867 867 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 868 868 852 + 869 869 Enable Disable DI1/DI2/DI2 as trigger, 870 870 871 -* AT Command: 855 +* (% style="color:#037691" %)**AT Command:** 872 872 873 -(% class="box infomessage" %) 874 -((( 875 875 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 876 -))) 877 877 878 878 879 879 **Example:** ... ... @@ -880,25 +880,21 @@ 880 880 881 881 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 882 882 883 -* Downlink Payload (prefix 0xAA 02): 864 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):** 884 884 885 -(% class="box infomessage" %) 886 -((( 887 -**0xAA 02 aa bb ~/~/ Same as AT+DTRI=aa,bb** 888 -))) 866 +**0xAA 02 aa bb **~/~/ Same as AT+DTRI=aa,bb 889 889 890 890 891 891 870 + 892 892 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 893 893 873 + 894 894 Set DI1 or DI3(for LT-33222-L) trigger. 895 895 896 -* AT Command: 876 +* (% style="color:#037691" %)**AT Command:** 897 897 898 -(% class="box infomessage" %) 899 -((( 900 900 **AT+TRIG1=a,b** 901 -))) 902 902 903 903 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 904 904 ... ... @@ -910,26 +910,22 @@ 910 910 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 911 911 912 912 913 -* Downlink Payload (prefix 0x09 01 ): 890 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 891 +* **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 914 914 915 -(% class="box infomessage" %) 916 -((( 917 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 918 -))) 919 919 920 920 921 921 922 922 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 923 923 898 + 924 924 Set DI2 trigger. 925 925 926 -* AT Command: 901 +* (% style="color:#037691" %)**AT Command:** 927 927 928 -(% class="box infomessage" %) 929 -((( 930 930 **AT+TRIG2=a,b** 931 -))) 932 932 905 + 933 933 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 934 934 935 935 b : delay timing. ... ... @@ -940,93 +940,82 @@ 940 940 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 941 941 942 942 943 -* Downlink Payload (prefix 0x09 02 ): 916 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** 944 944 945 -(% class="box infomessage" %) 946 -((( 947 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 948 -))) 918 +**0x09 02 aa bb cc **~/~/ same as AT+TRIG1=aa,0x(bb cc) 949 949 950 950 951 951 922 + 952 952 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 953 953 925 + 954 954 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 955 955 956 -* AT Command :928 +* (% style="color:#037691" %)**AT Command** 957 957 958 -(% class="box infomessage" %) 959 -((( 960 -**AT+ACLIM. ** 961 -))) 930 +**AT+ACLIM** 962 962 963 963 964 -* Downlink Payload (prefix 0xAA 01 ) :933 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** 965 965 966 -(% class="box infomessage" %) 967 -((( 968 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 969 -))) 935 +**0x AA 01 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 970 970 971 971 972 972 939 + 973 973 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 974 974 942 + 975 975 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 976 976 977 -* AT Command :945 +* (% style="color:#037691" %)**AT Command** 978 978 979 -(% class="box infomessage" %) 980 -((( 981 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 982 -))) 947 +**AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 983 983 984 984 985 -* Downlink Payload (prefix 0xAA 00 ) :950 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** 986 986 987 -(% class="box infomessage" %) 988 -((( 989 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ** 990 -))) 952 +**0x AA 00 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 991 991 992 992 993 993 956 + 994 994 ==== 3.4.2.11 Trigger – Set minimum interval ==== 995 995 996 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. 997 997 998 - *ATCommand:960 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 999 999 1000 -(% class="box infomessage" %) 1001 -((( 1002 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 1003 -))) 962 +* (% style="color:#037691" %)**AT Command** 1004 1004 964 +**AT+ATDC=5 ** Device won't response the second trigger within 5 minute after the first trigger. 1005 1005 1006 -* Downlink Payload (prefix 0xAC ): 1007 1007 1008 -(% class="box infomessage" %) 967 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** 968 + 969 +**0x AC aa bb ** ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min) 970 + 1009 1009 ((( 1010 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)** 972 + 973 + 974 +(% style="color:red" %)Note: ATDC setting must be more than 5min 1011 1011 ))) 1012 1012 1013 1013 1014 1014 979 + 1015 1015 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1016 1016 1017 -* AT Command: 1018 1018 983 +* (% style="color:#037691" %)**AT Command** 984 + 1019 1019 There is no AT Command to control Digital Output 1020 1020 1021 1021 1022 -* Downlink Payload (prefix 0x02): 988 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)** 989 +* **0x02 aa bb cc **~/~/ Set DO1/DO2/DO3 output 1023 1023 1024 -(% class="box infomessage" %) 1025 1025 ((( 1026 -**0x02 aa bb cc ~/~/ Set DO1/DO2/DO3 output** 1027 -))) 1028 - 1029 -((( 1030 1030 If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low. 1031 1031 ))) 1032 1032 ... ... @@ -1046,22 +1046,20 @@ 1046 1046 1047 1047 1048 1048 1011 + 1049 1049 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1050 1050 1051 -* AT Command: 1052 1052 1015 +* (% style="color:#037691" %)**AT Command** 1016 + 1053 1053 There is no AT Command to control Digital Output 1054 1054 1055 1055 1056 -* Downlink Payload (prefix 0xA9) :1020 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)** 1057 1057 1058 -(% class="box infomessage" %) 1059 -((( 1060 -((( 1061 -**0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 1062 -))) 1063 -))) 1022 +**0xA9 aa bb cc **~/~/ Set DO1/DO2/DO3 output with time control 1064 1064 1024 + 1065 1065 This is to control the digital output time of DO pin. Include four bytes: 1066 1066 1067 1067 (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9) ... ... @@ -1115,20 +1115,20 @@ 1115 1115 1116 1116 1117 1117 1078 + 1118 1118 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1119 1119 1120 -* AT Command: 1121 1121 1082 +* (% style="color:#037691" %)**AT Command:** 1083 + 1122 1122 There is no AT Command to control Relay Output 1123 1123 1124 1124 1125 -* Downlink Payload (prefix 0x03): 1087 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):** 1126 1126 1127 -(% class="box infomessage" %) 1128 -((( 1129 -**0x03 aa bb ~/~/ Set RO1/RO2 output** 1130 -))) 1089 +**0x03 aa bb **~/~/ Set RO1/RO2 output 1131 1131 1091 + 1132 1132 ((( 1133 1133 If payload = 0x030100, it means set RO1 to close and RO2 to open. 1134 1134 ))) ... ... @@ -1145,20 +1145,20 @@ 1145 1145 1146 1146 1147 1147 1108 + 1148 1148 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1149 1149 1150 -* AT Command: 1151 1151 1112 +* (% style="color:#037691" %)**AT Command:** 1113 + 1152 1152 There is no AT Command to control Relay Output 1153 1153 1154 1154 1155 -* Downlink Payload (prefix 0x05): 1117 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):** 1156 1156 1157 -(% class="box infomessage" %) 1158 -((( 1159 -**0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control:** 1160 -))) 1119 +**0x05 aa bb cc dd **~/~/ Set RO1/RO2 relay with time control 1161 1161 1121 + 1162 1162 This is to control the relay output time of relay. Include four bytes: 1163 1163 1164 1164 (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05) ... ... @@ -1172,7 +1172,7 @@ 1172 1172 1173 1173 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1174 1174 1175 -[[image:image-20220 524093831-10.png]]1135 +[[image:image-20220714135731-1.png||height="406" width="627"]] 1176 1176 1177 1177 1178 1178 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms ... ... @@ -1182,53 +1182,48 @@ 1182 1182 1183 1183 **Example payload:** 1184 1184 1185 -**~1. 05 01 11 07 D 0**1145 +**~1. 05 01 11 07 D** 1186 1186 1187 -Relay1 and Relay 2 will be set to N O, last 2 seconds, then change back to original state.1147 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state. 1188 1188 1189 1189 **2. 05 01 10 07 D0** 1190 1190 1191 -Relay1 will change to N O, Relay2 will change to NC, last 2 seconds, then both change back to original state.1151 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state. 1192 1192 1193 1193 **3. 05 00 01 07 D0** 1194 1194 1195 -Relay1 will change to N C, Relay2 will change to NO, last 2 seconds, then relay change to NO,C.1155 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO. 1196 1196 1197 1197 **4. 05 00 00 07 D0** 1198 1198 1199 -Relay 1 & relay2 will change to N C, last 2 seconds, then both change to NO.1159 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC. 1200 1200 1201 1201 1202 1202 1163 + 1203 1203 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1204 1204 1166 + 1205 1205 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1206 1206 1207 -* AT Command: 1169 +* (% style="color:#037691" %)**AT Command:** 1208 1208 1209 -(% class="box infomessage" %) 1210 -((( 1211 -**AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1212 -))) 1171 +**AT+VOLMAX ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1213 1213 1214 1214 1215 -* Downlink Payload (prefix 0xA5): 1174 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):** 1216 1216 1217 -(% class="box infomessage" %) 1218 -((( 1219 -**0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** 1220 -))) 1176 +**0xA5 aa bb cc **~/~/ Same as AT+VOLMAX=(aa bb),cc 1221 1221 1222 1222 1223 1223 1180 + 1224 1224 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1225 1225 1226 -* AT Command: 1227 1227 1228 -(% class="box infomessage" %)1229 - (((1184 +* (% style="color:#037691" %)**AT Command:** 1185 + 1230 1230 **AT+SETCNT=aa,(bb cc dd ee) ** 1231 -))) 1232 1232 1233 1233 aa: 1: Set count1, 1234 1234 ... ... @@ -1239,51 +1239,42 @@ 1239 1239 Bb cc dd ee: number to be set 1240 1240 1241 1241 1242 -* Downlink Payload (prefix 0xA8): 1197 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):** 1243 1243 1244 -(% class="box infomessage" %) 1245 -((( 1246 -**0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** 1247 -))) 1199 +**0x A8 aa bb cc dd ee **~/~/ same as AT+SETCNT=aa,(bb cc dd ee) 1248 1248 1249 1249 1250 1250 1203 + 1251 1251 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1252 1252 1206 + 1253 1253 Clear counting for counting mode 1254 1254 1255 -* AT Command: 1209 +* (% style="color:#037691" %)**AT Command:** 1256 1256 1257 -(% class="box infomessage" %) 1258 -((( 1259 -**AT+CLRCOUNT ~/~/ clear all counting** 1260 -))) 1211 +**AT+CLRCOUNT ** ~/~/ clear all counting 1261 1261 1262 -* Downlink Payload (prefix 0xA6): 1263 1263 1264 -(% class="box infomessage" %) 1265 -((( 1266 -**0x A6 01 ~/~/ clear all counting,** 1267 -))) 1214 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):** 1268 1268 1216 +**0x A6 01 ** ~/~/ clear all counting 1269 1269 1270 1270 1219 + 1220 + 1271 1271 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1272 1272 1273 -* AT Command: 1274 1274 1275 -(% class="box infomessage" %) 1276 -((( 1277 -**AT+COUTIME=60 ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)** 1278 -))) 1224 +* (% style="color:#037691" %)**AT Command:** 1279 1279 1280 -* DownlinkPayload(prefix0xA7):1226 +**AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) 1281 1281 1282 -(% class="box infomessage" %) 1283 -((( 1284 -**0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc,** 1285 -))) 1286 1286 1229 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):** 1230 + 1231 +**0x A7 aa bb cc **~/~/ same as AT+COUTIME =aa bb cc, 1232 + 1287 1287 ((( 1288 1288 range: aa bb cc:0 to 16777215, (unit:second) 1289 1289 ... ... @@ -1291,8 +1291,10 @@ 1291 1291 ))) 1292 1292 1293 1293 1240 + 1294 1294 == 3.5 Integrate with Mydevice == 1295 1295 1243 + 1296 1296 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: 1297 1297 1298 1298 ((( ... ... @@ -1301,14 +1301,15 @@ 1301 1301 1302 1302 ((( 1303 1303 (% 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: 1252 + 1253 + 1304 1304 ))) 1305 1305 1306 -[[image:1 653356737703-362.png||height="232" width="732"]]1256 +[[image:image-20220719105525-1.png||height="377" width="677"]] 1307 1307 1308 -[[image:image-20220524094641-11.png||height="390" width="723"]] 1309 1309 1310 1310 1311 -[[image:image-20220 524094641-12.png||height="402" width="718"]]1260 +[[image:image-20220719110247-2.png||height="388" width="683"]] 1312 1312 1313 1313 1314 1314 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. ... ... @@ -1341,8 +1341,10 @@ 1341 1341 1342 1342 == 3.6 Interface Detail == 1343 1343 1293 + 1344 1344 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1345 1345 1296 + 1346 1346 Support NPN Type sensor 1347 1347 1348 1348 [[image:1653356991268-289.png]] ... ... @@ -1351,6 +1351,7 @@ 1351 1351 1352 1352 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1353 1353 1305 + 1354 1354 ((( 1355 1355 The DI port of LT-22222-L can support NPN or PNP output sensor. 1356 1356 ))) ... ... @@ -1357,7 +1357,9 @@ 1357 1357 1358 1358 ((( 1359 1359 ((( 1360 -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 1312 +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. 1313 + 1314 + 1361 1361 ))) 1362 1362 ))) 1363 1363 ... ... @@ -1402,6 +1402,8 @@ 1402 1402 1403 1403 ((( 1404 1404 1359 + 1360 + 1405 1405 ))) 1406 1406 1407 1407 ((( ... ... @@ -1433,6 +1433,8 @@ 1433 1433 1434 1434 ((( 1435 1435 1392 + 1393 + 1436 1436 ))) 1437 1437 1438 1438 ((( ... ... @@ -1466,6 +1466,7 @@ 1466 1466 1467 1467 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1468 1468 1427 + 1469 1469 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1470 1470 1471 1471 [[image:1653357531600-905.png]] ... ... @@ -1474,6 +1474,7 @@ 1474 1474 1475 1475 === 3.6.4 Analog Input Interface === 1476 1476 1436 + 1477 1477 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: 1478 1478 1479 1479 ... ... @@ -1505,6 +1505,7 @@ 1505 1505 1506 1506 === 3.6.5 Relay Output === 1507 1507 1468 + 1508 1508 ((( 1509 1509 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: 1510 1510 ))) ... ... @@ -1517,13 +1517,17 @@ 1517 1517 1518 1518 == 3.7 LEDs Indicators == 1519 1519 1481 + 1520 1520 [[image:image-20220524100748-11.png]] 1521 1521 1522 1522 1485 + 1523 1523 = 4. Use AT Command = 1524 1524 1488 + 1525 1525 == 4.1 Access AT Command == 1526 1526 1491 + 1527 1527 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. 1528 1528 1529 1529 [[image:1653358238933-385.png]] ... ... @@ -1722,8 +1722,6 @@ 1722 1722 1723 1723 ((( 1724 1724 AT+CFG: Print all settings 1725 - 1726 - 1727 1727 ))) 1728 1728 1729 1729 ... ... @@ -1730,6 +1730,7 @@ 1730 1730 1731 1731 == 4.2 Common AT Command Sequence == 1732 1732 1696 + 1733 1733 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1734 1734 1735 1735 ((( ... ... @@ -1769,8 +1769,6 @@ 1769 1769 1770 1770 ((( 1771 1771 (% style="background-color:#dcdcdc" %)ATZ 1772 - 1773 - 1774 1774 ))) 1775 1775 1776 1776 ... ... @@ -1855,13 +1855,16 @@ 1855 1855 1856 1856 === 4.2.3 Change to Class A === 1857 1857 1820 + 1858 1858 If sensor JOINED 1859 1859 (% style="background-color:#dcdcdc" %)AT+CLASS=A 1860 1860 ATZ 1861 1861 1862 1862 1826 + 1863 1863 = 5. FAQ = 1864 1864 1829 + 1865 1865 == 5.1 How to upgrade the image? == 1866 1866 1867 1867 ... ... @@ -1883,7 +1883,9 @@ 1883 1883 1884 1884 1885 1885 (% style="color:blue" %)**For LT-22222-L**(%%): 1886 -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. 1851 +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. 1852 + 1853 + 1887 1887 ))) 1888 1888 1889 1889 [[image:image-20220524103407-12.png]] ... ... @@ -1895,6 +1895,7 @@ 1895 1895 1896 1896 (% 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: 1897 1897 1865 + 1898 1898 [[image:1653360054704-518.png||height="186" width="745"]] 1899 1899 1900 1900 ... ... @@ -1903,6 +1903,8 @@ 1903 1903 1904 1904 1905 1905 == 5.2 How to change the LoRa Frequency Bands/Region? == 1874 + 1875 + 1906 1906 ))) 1907 1907 ))) 1908 1908 ... ... @@ -1913,7 +1913,10 @@ 1913 1913 ((( 1914 1914 1915 1915 1886 + 1916 1916 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1888 + 1889 + 1917 1917 ))) 1918 1918 1919 1919 ((( ... ... @@ -1931,7 +1931,7 @@ 1931 1931 ))) 1932 1932 1933 1933 ((( 1934 -(% 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.1907 +(% 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. 1935 1935 ))) 1936 1936 1937 1937 ((( ... ... @@ -1939,12 +1939,12 @@ 1939 1939 ))) 1940 1940 1941 1941 ((( 1942 -(% 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. 1915 +(% 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.** 1943 1943 ))) 1944 1944 1945 1945 1946 1946 ((( 1947 -(% style="color: #4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:1920 +(% style="color:blue" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1948 1948 ))) 1949 1949 1950 1950 ((( ... ... @@ -1968,26 +1968,46 @@ 1968 1968 [[image:1653360498588-932.png||height="485" width="726"]] 1969 1969 1970 1970 1944 + 1971 1971 == 5.4 Can I see counting event in Serial? == 1972 1972 1947 + 1973 1973 ((( 1974 -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.1949 +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. 1975 1975 1976 1976 1952 + 1977 1977 == 5.5 Can i use point to point communication for LT-22222-L? == 1978 1978 1955 + 1979 1979 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1957 + 1958 + 1959 + 1980 1980 ))) 1981 1981 1982 1982 ((( 1983 - 1963 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1984 1984 1965 + 1966 +If the device is not shut down, but directly powered off. 1967 + 1968 +It will default that this is a power-off state. 1969 + 1970 +In modes 2 to 5, DO RO status and pulse count are saved in flash. 1971 + 1972 +After restart, the status before power failure will be read from flash. 1973 + 1974 + 1975 + 1985 1985 = 6. Trouble Shooting = 1986 1986 ))) 1987 1987 1988 1988 ((( 1989 1989 ((( 1990 -== 6.1 Downlink doesn’t work, how to solve it? == 1981 +== 6.1 Downlink doesn't work, how to solve it? == 1982 + 1983 + 1991 1991 ))) 1992 1992 ))) 1993 1993 ... ... @@ -1998,7 +1998,10 @@ 1998 1998 ((( 1999 1999 2000 2000 1994 + 2001 2001 == 6.2 Have trouble to upload image. == 1996 + 1997 + 2002 2002 ))) 2003 2003 2004 2004 ((( ... ... @@ -2008,7 +2008,10 @@ 2008 2008 ((( 2009 2009 2010 2010 2011 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2007 + 2008 +== 6.3 Why I can't join TTN in US915 /AU915 bands? == 2009 + 2010 + 2012 2012 ))) 2013 2013 2014 2014 ((( ... ... @@ -2022,19 +2022,22 @@ 2022 2022 2023 2023 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 2024 2024 2025 - 2026 2026 (% style="color:#4f81bd" %)**XXX:** 2027 2027 2028 -* (% style="color: #4f81bd" %)**EU433**(%%): LT with frequency bands EU4332029 -* (% style="color: #4f81bd" %)**EU868**(%%): LT with frequency bands EU8682030 -* (% style="color: #4f81bd" %)**KR920**(%%): LT with frequency bands KR9202031 -* (% style="color: #4f81bd" %)**CN470**(%%): LT with frequency bands CN4702032 -* (% style="color: #4f81bd" %)**AS923**(%%): LT with frequency bands AS9232033 -* (% style="color: #4f81bd" %)**AU915**(%%): LT with frequency bands AU9152034 -* (% style="color: #4f81bd" %)**US915**(%%): LT with frequency bands US9152035 -* (% style="color: #4f81bd" %)**IN865**(%%): LT with frequency bands IN8652036 -* (% style="color: #4f81bd" %)**CN779**(%%): LT with frequency bands CN7792026 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433 2027 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868 2028 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920 2029 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470 2030 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923 2031 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915 2032 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915 2033 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2034 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2037 2037 2036 + 2037 + 2038 + 2039 + 2038 2038 = 8. Packing Info = 2039 2039 2040 2040 ... ... @@ -2052,18 +2052,31 @@ 2052 2052 * Package Size / pcs : 14.5 x 8 x 5 cm 2053 2053 * Weight / pcs : 170g 2054 2054 2057 + 2058 + 2059 + 2060 + 2055 2055 = 9. Support = 2056 2056 2063 + 2057 2057 * ((( 2058 2058 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. 2059 2059 ))) 2060 2060 * ((( 2061 2061 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]] 2069 + 2070 + 2071 + 2072 + 2073 + 2062 2062 ))) 2063 2063 2064 2064 = 10. Reference = 2065 2065 2078 + 2066 2066 * 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]] 2067 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2068 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2080 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 2069 2069 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2082 + 2083 + 2084 +
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