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From version < 66.29 >
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Summary

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... ... @@ -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
... ... @@ -199,22 +199,17 @@
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 -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 -)))
134 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
209 209  
210 -== 3.2 Example to join LoRaWAN network ==
136 +3.2 Example to join LoRaWAN network
211 211  
212 -(((
213 213  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. 
214 -)))
215 215  
216 216  [[image:image-20220523172350-1.png||height="266" width="864"]]
217 217  
142 +
218 218  (((
219 219  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:
220 220  )))
... ... @@ -310,9 +310,7 @@
310 310  
311 311  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
312 312  
313 -(((
314 314  Total : 11 bytes payload
315 -)))
316 316  
317 317  [[image:image-20220523180452-3.png]]
318 318  
... ... @@ -326,77 +326,53 @@
326 326  * FIRST: Indicate this is the first packet after join network.
327 327  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
328 328  
329 -(((
330 330  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
331 -)))
332 332  
333 -(((
334 334  **To use counting mode, please run:**
335 -)))
336 336  
337 337  (% class="box infomessage" %)
338 338  (((
339 -(((
340 340  **AT+MOD=2**
341 341  )))
342 -)))
343 343  
344 344  (% class="box infomessage" %)
345 345  (((
346 -(((
347 347  **ATZ**
348 348  )))
349 -)))
350 350  
351 -(((
352 352  (% style="color:#4f81bd" %)**AT Commands for counting:**
353 -)))
354 354  
355 -(((
356 356  **For LT22222-L:**
357 -)))
358 358  
359 359  (% class="box infomessage" %)
360 360  (((
361 -(((
362 362  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
363 363  )))
364 -)))
365 365  
366 366  (% class="box infomessage" %)
367 367  (((
368 -(((
369 369  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
370 370  )))
371 -)))
372 372  
373 373  (% class="box infomessage" %)
374 374  (((
375 -(((
376 376  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
377 377  )))
378 -)))
379 379  
380 380  (% class="box infomessage" %)
381 381  (((
382 -(((
383 383  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
384 384  )))
385 -)))
386 386  
387 387  (% class="box infomessage" %)
388 388  (((
389 -(((
390 390  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
391 391  )))
392 -)))
393 393  
394 394  (% class="box infomessage" %)
395 395  (((
396 -(((
397 397  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
398 398  )))
399 -)))
400 400  
401 401  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
402 402  
... ... @@ -414,31 +414,21 @@
414 414  * FIRST: Indicate this is the first packet after join network.
415 415  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
416 416  
417 -(((
418 418  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
419 -)))
420 420  
421 -(((
422 422  **To use counting mode, please run:**
423 -)))
424 424  
425 425  (% class="box infomessage" %)
426 426  (((
427 -(((
428 428  **AT+MOD=3**
429 429  )))
430 -)))
431 431  
432 432  (% class="box infomessage" %)
433 433  (((
434 -(((
435 435  **ATZ**
436 436  )))
437 -)))
438 438  
439 -(((
440 -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]].
441 -)))
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
442 442  
443 443  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
444 444  
... ... @@ -458,67 +458,44 @@
458 458  * FIRST: Indicate this is the first packet after join network.
459 459  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
460 460  
461 -(((
462 462  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
463 -)))
464 464  
465 -(((
466 466  **To use this mode, please run:**
467 -)))
468 468  
469 469  (% class="box infomessage" %)
470 470  (((
471 -(((
472 472  **AT+MOD=4**
473 473  )))
474 -)))
475 475  
476 476  (% class="box infomessage" %)
477 477  (((
478 -(((
479 479  **ATZ**
480 480  )))
481 -)))
482 482  
483 -(((
484 -
485 -)))
486 486  
487 -(((
488 -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]].
489 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
490 490  
491 -(((
492 492  **Plus below command for AVI1 Counting:**
493 -)))
494 494  
495 495  (% class="box infomessage" %)
496 496  (((
497 -(((
498 498  **AT+SETCNT=3,60   (set AVI Count to 60)**
499 499  )))
500 -)))
501 501  
502 502  (% class="box infomessage" %)
503 503  (((
504 -(((
505 505  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
506 506  )))
507 -)))
508 508  
509 509  (% class="box infomessage" %)
510 510  (((
511 -(((
512 512  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
513 513  )))
514 -)))
515 515  
516 516  (% class="box infomessage" %)
517 517  (((
518 -(((
519 519  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
520 520  )))
521 -)))
522 522  
523 523  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
524 524  
... ... @@ -532,35 +532,23 @@
532 532  
533 533  * RO is for relay. ROx=1 : close，ROx=0 always open.
534 534  * FIRST: Indicate this is the first packet after join network.
535 -* (((
536 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
537 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
538 538  
539 -(((
540 540  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
541 -)))
542 542  
543 -(((
544 544  **To use this mode, please run:**
545 -)))
546 546  
547 547  (% class="box infomessage" %)
548 548  (((
549 -(((
550 550  **AT+MOD=5**
551 551  )))
552 -)))
553 553  
554 554  (% class="box infomessage" %)
555 555  (((
556 -(((
557 557  **ATZ**
558 558  )))
559 -)))
560 560  
561 -(((
562 -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]].
563 -)))
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
564 564  
565 565  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
566 566  
... ... @@ -609,7 +609,7 @@
609 609  
610 610  **Downlink Command to set Trigger Condition**
611 611  
612 -Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
466 +Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
613 613  
614 614  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
615 615  
... ... @@ -629,7 +629,7 @@
629 629  
630 630  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
631 631  
632 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
633 633  
634 634  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
635 635  
... ... @@ -968,10 +968,8 @@
968 968  
969 969  (% class="box infomessage" %)
970 970  (((
971 -(((
972 972  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
973 973  )))
974 -)))
975 975  
976 976  This is to control the digital output time of DO pin. Include four bytes:
977 977  
... ... @@ -1188,9 +1188,10 @@
1188 1188  
1189 1189  [[image:image-20220524094641-11.png||height="390" width="723"]]
1190 1190  
1043 +
1191 1191  [[image:image-20220524094641-12.png||height="402" width="718"]]
1192 1192  
1193 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1194 1194  
1195 1195  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1196 1196  
... ... @@ -1200,6 +1200,7 @@
1200 1200  
1201 1201  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1202 1202  
1056 +
1203 1203  [[image:image-20220524094909-1.png||height="335" width="729"]]
1204 1204  
1205 1205  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1210,6 +1210,10 @@
1210 1210  
1211 1211  [[image:image-20220524094909-5.png||height="341" width="734"]]
1212 1212  
1067 +
1068 +
1069 +
1070 +
1213 1213  == 3.6 Interface Detail ==
1214 1214  
1215 1215  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1225,10 +1225,8 @@
1225 1225  )))
1226 1226  
1227 1227  (((
1228 -(((
1229 1229  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
1230 1230  )))
1231 -)))
1232 1232  
1233 1233  [[image:1653357170703-587.png]]
1234 1234  
... ... @@ -1246,7 +1246,7 @@
1246 1246  
1247 1247  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1248 1248  
1249 -[[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.**
1105 + //IF// = DI1+ / 1K.
1250 1250  
1251 1251  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1252 1252  
... ... @@ -1260,9 +1260,9 @@
1260 1260  
1261 1261  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1262 1262  
1263 -[[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.**
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/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.**
1264 1264  
1265 -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.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/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.
1266 1266  
1267 1267  
1268 1268  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1274,7 +1274,7 @@
1274 1274  
1275 1275  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1276 1276  
1277 - [[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.**
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/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.**
1278 1278  
1279 1279  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.
1280 1280  
... ... @@ -1333,9 +1333,7 @@
1333 1333  
1334 1334  [[image:1653358238933-385.png]]
1335 1335  
1336 -(((
1337 1337  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:
1338 -)))
1339 1339  
1340 1340  [[image:1653358355238-883.png]]
1341 1341  
... ... @@ -1657,13 +1657,11 @@
1657 1657  Below shows the hardware connection for how to upload an image to the LT:
1658 1658  * [[image:1653359603330-121.png]]
1659 1659  
1660 -(((
1661 1661  **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]].
1662 1662  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1663 1663  **Step3: **Open flashloader; choose the correct COM port to update.
1664 1664  **For LT-22222-L**:
1665 1665  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.
1666 -)))
1667 1667  
1668 1668   [[image:image-20220524103407-12.png]]
1669 1669  
... ... @@ -1702,6 +1702,10 @@
1702 1702  )))
1703 1703  
1704 1704  (((
1557 +
1558 +)))
1559 +
1560 +(((
1705 1705  (% 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.
1706 1706  )))
1707 1707  
... ... @@ -1709,15 +1709,10 @@
1709 1709  [[image:1653360231087-571.png||height="401" width="727"]]
1710 1710  )))
1711 1711  
1712 -(((
1713 1713  (% 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.
1714 -)))
1715 1715  
1716 -(((
1717 1717  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1718 -)))
1719 1719  
1720 -(((
1721 1721  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1722 1722  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1723 1723  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1728,11 +1728,8 @@
1728 1728  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1729 1729  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1730 1730  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1731 -)))
1732 1732  
1733 -(((
1734 1734  As shown in below:
1735 -)))
1736 1736  
1737 1737  [[image:1653360498588-932.png||height="485" width="726"]]
1738 1738  
... ... @@ -1743,7 +1743,7 @@
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -= 6. Trouble Shooting =
1594 += 6. Trouble Shooting     =
1747 1747  )))
1748 1748  
1749 1749  (((
... ... @@ -1791,85 +1791,68 @@
1791 1791  )))
1792 1792  
1793 1793  (((
1794 -(((
1795 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1642 +**LT-22222-L-XXX:**
1796 1796  )))
1797 -)))
1798 1798  
1799 1799  (((
1800 -(((
1801 -(% style="color:#4f81bd" %)**XXX:**
1646 +**XXX:**
1802 1802  )))
1803 -)))
1804 1804  
1805 -(((
1806 1806  * (((
1807 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1650 +**EU433**: LT with frequency bands EU433
1808 1808  )))
1652 +* (((
1653 +**EU868**: LT with frequency bands EU868
1809 1809  )))
1810 -
1811 -(((
1812 1812  * (((
1813 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1656 +**KR920**: LT with frequency bands KR920
1814 1814  )))
1658 +* (((
1659 +**CN470**: LT with frequency bands CN470
1815 1815  )))
1816 -
1817 -(((
1818 1818  * (((
1819 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1662 +**AS923**: LT with frequency bands AS923
1820 1820  )))
1664 +* (((
1665 +**AU915**: LT with frequency bands AU915
1821 1821  )))
1822 -
1823 -(((
1824 1824  * (((
1825 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1668 +**US915**: LT with frequency bands US915
1826 1826  )))
1827 -)))
1828 -
1829 -(((
1830 1830  * (((
1831 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1671 +**IN865**: LT with frequency bands IN865
1832 1832  )))
1833 -)))
1834 1834  
1835 1835  (((
1836 -* (((
1837 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1675 +* **CN779**: LT with frequency bands CN779
1676 +
1677 += 8. Packing Info =
1838 1838  )))
1839 -)))
1840 1840  
1841 1841  (((
1842 -* (((
1843 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1681 +(((
1682 +**Package Includes**:
1844 1844  )))
1845 1845  )))
1846 1846  
1847 -(((
1848 1848  * (((
1849 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1687 +(((
1688 +LT I/O Controller x 1
1850 1850  )))
1851 1851  )))
1852 -
1853 -(((
1854 1854  * (((
1855 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1692 +(((
1693 +Stick Antenna for LoRa RF part x 1
1856 1856  )))
1857 -
1858 -= 8. Packing Info =
1859 1859  )))
1860 -
1696 +* (((
1861 1861  (((
1862 -(((
1863 -**Package Includes**:
1698 +Bracket for controller x1
1864 1864  )))
1865 1865  )))
1866 -
1701 +* (((
1867 1867  (((
1868 -(((
1869 -* LT-22222-L I/O Controller x 1
1870 -* Stick Antenna for LoRa RF part x 1
1871 -* Bracket for controller x1
1872 -* Program cable x 1
1703 +Program cable x 1
1873 1873  )))
1874 1874  )))
1875 1875  
... ... @@ -1907,16 +1907,4 @@
1907 1907  (((
1908 1908   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1909 1909  )))
1910 -
1911 -(((
1912 -= 10. Reference​​​​​ =
1913 -
1914 -* Product Page:
1915 -
1916 -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]]
1917 -
1918 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1919 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1920 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1921 1921  )))
1922 -)))

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