Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -45,114 +45,44 @@ 45 45 46 46 == 1.2 Specifications == 47 47 48 -((( 49 49 **Hardware System:** 50 -))) 51 51 52 -* ((( 53 -STM32L072CZT6 MCU 54 -))) 55 -* ((( 56 -SX1276/78 Wireless Chip 57 -))) 58 -* ((( 59 -((( 60 -Power Consumption: 61 -))) 50 +* STM32L072CZT6 MCU 51 +* SX1276/78 Wireless Chip 52 +* Power Consumption: 53 +** Idle: 4mA@12v 54 +** 20dB Transmit: 34mA@12v 62 62 63 -* ((( 64 -Idle: 4mA@12v 65 -))) 66 -* ((( 67 -20dB Transmit: 34mA@12v 68 -))) 69 -))) 70 - 71 -((( 72 72 **Interface for Model: LT22222-L:** 73 -))) 74 74 75 -* ((( 76 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 77 -))) 78 -* ((( 79 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 80 -))) 81 -* ((( 82 -2 x Relay Output (5A@250VAC / 30VDC) 83 -))) 84 -* ((( 85 -2 x 0~~20mA Analog Input (res:0.01mA) 86 -))) 87 -* ((( 88 -2 x 0~~30V Analog Input (res:0.01v) 89 -))) 90 -* ((( 91 -Power Input 7~~ 24V DC. 92 -))) 58 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 59 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 60 +* 2 x Relay Output (5A@250VAC / 30VDC) 61 +* 2 x 0~~20mA Analog Input (res:0.01mA) 62 +* 2 x 0~~30V Analog Input (res:0.01v) 63 +* Power Input 7~~ 24V DC. 93 93 94 -((( 95 95 **LoRa Spec:** 96 -))) 97 97 98 -* ((( 99 -((( 100 -Frequency Range: 101 -))) 67 +* Frequency Range: 68 +** Band 1 (HF): 862 ~~ 1020 Mhz 69 +** Band 2 (LF): 410 ~~ 528 Mhz 70 +* 168 dB maximum link budget. 71 +* +20 dBm - 100 mW constant RF output vs. 72 +* +14 dBm high efficiency PA. 73 +* Programmable bit rate up to 300 kbps. 74 +* High sensitivity: down to -148 dBm. 75 +* Bullet-proof front end: IIP3 = -12.5 dBm. 76 +* Excellent blocking immunity. 77 +* Low RX current of 10.3 mA, 200 nA register retention. 78 +* Fully integrated synthesizer with a resolution of 61 Hz. 79 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 80 +* Built-in bit synchronizer for clock recovery. 81 +* Preamble detection. 82 +* 127 dB Dynamic Range RSSI. 83 +* Automatic RF Sense and CAD with ultra-fast AFC. 84 +* Packet engine up to 256 bytes with CRC. 102 102 103 -* ((( 104 -Band 1 (HF): 862 ~~ 1020 Mhz 105 -))) 106 -* ((( 107 -Band 2 (LF): 410 ~~ 528 Mhz 108 -))) 109 -))) 110 -* ((( 111 -168 dB maximum link budget. 112 -))) 113 -* ((( 114 -+20 dBm - 100 mW constant RF output vs. 115 -))) 116 -* ((( 117 -+14 dBm high efficiency PA. 118 -))) 119 -* ((( 120 -Programmable bit rate up to 300 kbps. 121 -))) 122 -* ((( 123 -High sensitivity: down to -148 dBm. 124 -))) 125 -* ((( 126 -Bullet-proof front end: IIP3 = -12.5 dBm. 127 -))) 128 -* ((( 129 -Excellent blocking immunity. 130 -))) 131 -* ((( 132 -Low RX current of 10.3 mA, 200 nA register retention. 133 -))) 134 -* ((( 135 -Fully integrated synthesizer with a resolution of 61 Hz. 136 -))) 137 -* ((( 138 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 139 -))) 140 -* ((( 141 -Built-in bit synchronizer for clock recovery. 142 -))) 143 -* ((( 144 -Preamble detection. 145 -))) 146 -* ((( 147 -127 dB Dynamic Range RSSI. 148 -))) 149 -* ((( 150 -Automatic RF Sense and CAD with ultra-fast AFC. 151 -))) 152 -* ((( 153 -Packet engine up to 256 bytes with CRC. 154 -))) 155 - 156 156 == 1.3 Features == 157 157 158 158 * LoRaWAN Class A & Class C protocol ... ... @@ -199,21 +199,13 @@ 199 199 200 200 == 3.1 How it works? == 201 201 202 -((( 203 203 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. 204 -))) 205 205 206 -((( 207 207 In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices. 208 -))) 209 209 210 -((( 211 211 3.2 Example to join LoRaWAN network 212 -))) 213 213 214 -((( 215 215 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. 216 -))) 217 217 218 218 [[image:image-20220523172350-1.png||height="266" width="864"]] 219 219 ... ... @@ -313,9 +313,7 @@ 313 313 314 314 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 315 315 316 -((( 317 317 Total : 11 bytes payload 318 -))) 319 319 320 320 [[image:image-20220523180452-3.png]] 321 321 ... ... @@ -329,77 +329,53 @@ 329 329 * FIRST: Indicate this is the first packet after join network. 330 330 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 331 331 332 -((( 333 333 (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L. 334 -))) 335 335 336 -((( 337 337 **To use counting mode, please run:** 338 -))) 339 339 340 340 (% class="box infomessage" %) 341 341 ((( 342 -((( 343 343 **AT+MOD=2** 344 344 ))) 345 -))) 346 346 347 347 (% class="box infomessage" %) 348 348 ((( 349 -((( 350 350 **ATZ** 351 351 ))) 352 -))) 353 353 354 -((( 355 355 (% style="color:#4f81bd" %)**AT Commands for counting:** 356 -))) 357 357 358 -((( 359 359 **For LT22222-L:** 360 -))) 361 361 362 362 (% class="box infomessage" %) 363 363 ((( 364 -((( 365 365 **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 366 366 ))) 367 -))) 368 368 369 369 (% class="box infomessage" %) 370 370 ((( 371 -((( 372 372 **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 373 373 ))) 374 -))) 375 375 376 376 (% class="box infomessage" %) 377 377 ((( 378 -((( 379 379 **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 380 380 ))) 381 -))) 382 382 383 383 (% class="box infomessage" %) 384 384 ((( 385 -((( 386 386 **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 387 387 ))) 388 -))) 389 389 390 390 (% class="box infomessage" %) 391 391 ((( 392 -((( 393 393 **AT+SETCNT=1,60 (Set COUNT1 value to 60)** 394 394 ))) 395 -))) 396 396 397 397 (% class="box infomessage" %) 398 398 ((( 399 -((( 400 400 **AT+SETCNT=2,60 (Set COUNT2 value to 60)** 401 401 ))) 402 -))) 403 403 404 404 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 405 405 ... ... @@ -417,31 +417,21 @@ 417 417 * FIRST: Indicate this is the first packet after join network. 418 418 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 419 419 420 -((( 421 421 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 422 -))) 423 423 424 -((( 425 425 **To use counting mode, please run:** 426 -))) 427 427 428 428 (% class="box infomessage" %) 429 429 ((( 430 -((( 431 431 **AT+MOD=3** 432 432 ))) 433 -))) 434 434 435 435 (% class="box infomessage" %) 436 436 ((( 437 -((( 438 438 **ATZ** 439 439 ))) 440 -))) 441 441 442 -((( 443 443 Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 444 -))) 445 445 446 446 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 447 447 ... ... @@ -461,67 +461,44 @@ 461 461 * FIRST: Indicate this is the first packet after join network. 462 462 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 463 463 464 -((( 465 465 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 466 -))) 467 467 468 -((( 469 469 **To use this mode, please run:** 470 -))) 471 471 472 472 (% class="box infomessage" %) 473 473 ((( 474 -((( 475 475 **AT+MOD=4** 476 476 ))) 477 -))) 478 478 479 479 (% class="box infomessage" %) 480 480 ((( 481 -((( 482 482 **ATZ** 483 483 ))) 484 -))) 485 485 486 -((( 487 - 488 -))) 489 489 490 -((( 491 491 Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 492 -))) 493 493 494 -((( 495 495 **Plus below command for AVI1 Counting:** 496 -))) 497 497 498 498 (% class="box infomessage" %) 499 499 ((( 500 -((( 501 501 **AT+SETCNT=3,60 (set AVI Count to 60)** 502 502 ))) 503 -))) 504 504 505 505 (% class="box infomessage" %) 506 506 ((( 507 -((( 508 508 **AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 509 509 ))) 510 -))) 511 511 512 512 (% class="box infomessage" %) 513 513 ((( 514 -((( 515 515 **AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 516 516 ))) 517 -))) 518 518 519 519 (% class="box infomessage" %) 520 520 ((( 521 -((( 522 522 **AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 523 523 ))) 524 -))) 525 525 526 526 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 527 527 ... ... @@ -535,35 +535,23 @@ 535 535 536 536 * RO is for relay. ROx=1 : close,ROx=0 always open. 537 537 * FIRST: Indicate this is the first packet after join network. 538 -* ((( 539 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 540 -))) 401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 541 541 542 -((( 543 543 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 544 -))) 545 545 546 -((( 547 547 **To use this mode, please run:** 548 -))) 549 549 550 550 (% class="box infomessage" %) 551 551 ((( 552 -((( 553 553 **AT+MOD=5** 554 554 ))) 555 -))) 556 556 557 557 (% class="box infomessage" %) 558 558 ((( 559 -((( 560 560 **ATZ** 561 561 ))) 562 -))) 563 563 564 -((( 565 565 Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 566 -))) 567 567 568 568 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 569 569 ... ... @@ -971,10 +971,8 @@ 971 971 972 972 (% class="box infomessage" %) 973 973 ((( 974 -((( 975 975 **0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 976 976 ))) 977 -))) 978 978 979 979 This is to control the digital output time of DO pin. Include four bytes: 980 980 ... ... @@ -1191,6 +1191,7 @@ 1191 1191 1192 1192 [[image:image-20220524094641-11.png||height="390" width="723"]] 1193 1193 1043 + 1194 1194 [[image:image-20220524094641-12.png||height="402" width="718"]] 1195 1195 1196 1196 **Step 3**: Create an account or log in Mydevices. ... ... @@ -1249,7 +1249,7 @@ 1249 1249 1250 1250 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1251 1251 1252 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]= DI1+ / 1K.**1102 + //IF// = DI1+ / 1K. 1253 1253 1254 1254 If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal. 1255 1255 ... ... @@ -1263,9 +1263,9 @@ 1263 1263 1264 1264 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1265 1265 1266 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1116 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1267 1267 1268 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1118 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1269 1269 1270 1270 1271 1271 **Example3**: Connect to a 220v high active sensor. ... ... @@ -1277,7 +1277,7 @@ 1277 1277 1278 1278 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1279 1279 1280 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1130 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1281 1281 1282 1282 If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K. = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely. 1283 1283 ... ... @@ -1734,7 +1734,7 @@ 1734 1734 ))) 1735 1735 1736 1736 ((( 1737 -= 6. Trouble Shooting = 1587 += 6. Trouble Shooting = 1738 1738 ))) 1739 1739 1740 1740 ((( ... ... @@ -1832,7 +1832,7 @@ 1832 1832 1833 1833 ((( 1834 1834 ((( 1835 -* LT -22222-LI/O Controller x 11685 +* LT I/O Controller x 1 1836 1836 * Stick Antenna for LoRa RF part x 1 1837 1837 * Bracket for controller x1 1838 1838 * Program cable x 1