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From version < 66.30 >
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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  
... ... @@ -1180,21 +1180,18 @@
1180 1180  
1181 1181  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:
1182 1182  
1183 -(((
1184 1184  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1185 -)))
1186 1186  
1187 -(((
1188 1188  **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:
1189 -)))
1190 1190  
1191 1191  [[image:1653356737703-362.png||height="232" width="732"]]
1192 1192  
1193 1193  [[image:image-20220524094641-11.png||height="390" width="723"]]
1194 1194  
1043 +
1195 1195  [[image:image-20220524094641-12.png||height="402" width="718"]]
1196 1196  
1197 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1198 1198  
1199 1199  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1200 1200  
... ... @@ -1204,6 +1204,7 @@
1204 1204  
1205 1205  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1206 1206  
1056 +
1207 1207  [[image:image-20220524094909-1.png||height="335" width="729"]]
1208 1208  
1209 1209  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1214,6 +1214,10 @@
1214 1214  
1215 1215  [[image:image-20220524094909-5.png||height="341" width="734"]]
1216 1216  
1067 +
1068 +
1069 +
1070 +
1217 1217  == 3.6 Interface Detail ==
1218 1218  
1219 1219  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1229,10 +1229,8 @@
1229 1229  )))
1230 1230  
1231 1231  (((
1232 -(((
1233 1233  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
1234 1234  )))
1235 -)))
1236 1236  
1237 1237  [[image:1653357170703-587.png]]
1238 1238  
... ... @@ -1250,7 +1250,7 @@
1250 1250  
1251 1251  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1252 1252  
1253 -[[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.
1254 1254  
1255 1255  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1256 1256  
... ... @@ -1264,9 +1264,9 @@
1264 1264  
1265 1265  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1266 1266  
1267 -[[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.**
1268 1268  
1269 -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.
1270 1270  
1271 1271  
1272 1272  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1278,7 +1278,7 @@
1278 1278  
1279 1279  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1280 1280  
1281 - [[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.**
1282 1282  
1283 1283  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.
1284 1284  
... ... @@ -1337,9 +1337,7 @@
1337 1337  
1338 1338  [[image:1653358238933-385.png]]
1339 1339  
1340 -(((
1341 1341  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:
1342 -)))
1343 1343  
1344 1344  [[image:1653358355238-883.png]]
1345 1345  
... ... @@ -1661,13 +1661,11 @@
1661 1661  Below shows the hardware connection for how to upload an image to the LT:
1662 1662  * [[image:1653359603330-121.png]]
1663 1663  
1664 -(((
1665 1665  **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]].
1666 1666  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1667 1667  **Step3: **Open flashloader; choose the correct COM port to update.
1668 1668  **For LT-22222-L**:
1669 1669  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.
1670 -)))
1671 1671  
1672 1672   [[image:image-20220524103407-12.png]]
1673 1673  
... ... @@ -1706,6 +1706,10 @@
1706 1706  )))
1707 1707  
1708 1708  (((
1557 +
1558 +)))
1559 +
1560 +(((
1709 1709  (% 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.
1710 1710  )))
1711 1711  
... ... @@ -1713,15 +1713,10 @@
1713 1713  [[image:1653360231087-571.png||height="401" width="727"]]
1714 1714  )))
1715 1715  
1716 -(((
1717 1717  (% 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.
1718 -)))
1719 1719  
1720 -(((
1721 1721  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1722 -)))
1723 1723  
1724 -(((
1725 1725  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1726 1726  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1727 1727  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1732,11 +1732,8 @@
1732 1732  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1733 1733  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1734 1734  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1735 -)))
1736 1736  
1737 -(((
1738 1738  As shown in below:
1739 -)))
1740 1740  
1741 1741  [[image:1653360498588-932.png||height="485" width="726"]]
1742 1742  
... ... @@ -1747,7 +1747,7 @@
1747 1747  )))
1748 1748  
1749 1749  (((
1750 -= 6. Trouble Shooting =
1594 += 6. Trouble Shooting     =
1751 1751  )))
1752 1752  
1753 1753  (((
... ... @@ -1795,85 +1795,68 @@
1795 1795  )))
1796 1796  
1797 1797  (((
1798 -(((
1799 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1642 +**LT-22222-L-XXX:**
1800 1800  )))
1801 -)))
1802 1802  
1803 1803  (((
1804 -(((
1805 -(% style="color:#4f81bd" %)**XXX:**
1646 +**XXX:**
1806 1806  )))
1807 -)))
1808 1808  
1809 -(((
1810 1810  * (((
1811 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1650 +**EU433**: LT with frequency bands EU433
1812 1812  )))
1652 +* (((
1653 +**EU868**: LT with frequency bands EU868
1813 1813  )))
1814 -
1815 -(((
1816 1816  * (((
1817 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1656 +**KR920**: LT with frequency bands KR920
1818 1818  )))
1658 +* (((
1659 +**CN470**: LT with frequency bands CN470
1819 1819  )))
1820 -
1821 -(((
1822 1822  * (((
1823 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1662 +**AS923**: LT with frequency bands AS923
1824 1824  )))
1664 +* (((
1665 +**AU915**: LT with frequency bands AU915
1825 1825  )))
1826 -
1827 -(((
1828 1828  * (((
1829 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1668 +**US915**: LT with frequency bands US915
1830 1830  )))
1831 -)))
1832 -
1833 -(((
1834 1834  * (((
1835 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1671 +**IN865**: LT with frequency bands IN865
1836 1836  )))
1837 -)))
1838 1838  
1839 1839  (((
1840 -* (((
1841 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1675 +* **CN779**: LT with frequency bands CN779
1676 +
1677 += 8. Packing Info =
1842 1842  )))
1843 -)))
1844 1844  
1845 1845  (((
1846 -* (((
1847 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1681 +(((
1682 +**Package Includes**:
1848 1848  )))
1849 1849  )))
1850 1850  
1851 -(((
1852 1852  * (((
1853 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1687 +(((
1688 +LT I/O Controller x 1
1854 1854  )))
1855 1855  )))
1856 -
1857 -(((
1858 1858  * (((
1859 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1692 +(((
1693 +Stick Antenna for LoRa RF part x 1
1860 1860  )))
1861 -
1862 -= 8. Packing Info =
1863 1863  )))
1864 -
1696 +* (((
1865 1865  (((
1866 -(((
1867 -**Package Includes**:
1698 +Bracket for controller x1
1868 1868  )))
1869 1869  )))
1870 -
1701 +* (((
1871 1871  (((
1872 -(((
1873 -* LT-22222-L I/O Controller x 1
1874 -* Stick Antenna for LoRa RF part x 1
1875 -* Bracket for controller x1
1876 -* Program cable x 1
1703 +Program cable x 1
1877 1877  )))
1878 1878  )))
1879 1879  
... ... @@ -1911,16 +1911,4 @@
1911 1911  (((
1912 1912   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1913 1913  )))
1914 -
1915 -(((
1916 -= 10. Reference​​​​​ =
1917 -
1918 -* Product Page:
1919 -
1920 -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]]
1921 -
1922 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1923 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1924 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1925 1925  )))
1926 -)))

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