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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 66.32
edited by Xiaoling
on 2022/05/24 14:16
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To version 32.1
edited by Xiaoling
on 2022/05/24 09:37
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Summary

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
... ... @@ -199,22 +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  
... ... @@ -993,7 +993,11 @@
993 993  
994 994  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
995 995  
996 -[[image:image-20220524093351-8.png]]
848 +(% border="1" style="background-color:#f7faff" %)
849 +|Second Byte|Status
850 +|0x01|DO3 set to low
851 +|0x00|DO3 set to high
852 +|0x11|DO3 NO Action
997 997  
998 998  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
999 999  
... ... @@ -1001,129 +1001,147 @@
1001 1001  
1002 1002  Device will upload a packet if downlink code executes successfully.
1003 1003  
1004 -**Example payload:**
1005 1005  
1006 -**~1. A9 01 01 01 01 07 D0**
1007 1007  
862 +Example payload:
863 +
864 +1. A9 01 01 01 01 07 D0
865 +
1008 1008  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
1009 1009  
1010 -**2. A9 01 00 01 11 07 D0**
1011 1011  
869 +1. A9 01 00 01 11 07 D0
870 +
1012 1012  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
1013 1013  
1014 -**3. A9 00 00 00 00 07 D0**
1015 1015  
874 +1. A9 00 00 00 00 07 D0
875 +
1016 1016  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
1017 1017  
1018 -**4. A9 00 11 01 00 07 D0**
1019 1019  
879 +1. A9 00 11 01 00 07 D0
880 +
1020 1020  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1021 1021  
1022 1022  
1023 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1024 1024  
885 +
886 +==== Relay ~-~- Control Relay Output RO1/RO2 ====
887 +
1025 1025  * AT Command:
1026 1026  
1027 1027  There is no AT Command to control Relay Output
1028 1028  
892 +
1029 1029  * Downlink Payload (prefix 0x03):
1030 1030  
1031 -(% class="box infomessage" %)
1032 -(((
1033 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1034 -)))
895 +0x03 aa bb     ~/~/ Set RO1/RO2 output
1035 1035  
1036 -(((
1037 1037  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1038 -)))
1039 1039  
1040 -(((
1041 1041  01: Close ,  00: Open , 11: No action
1042 -)))
1043 1043  
1044 -(((
1045 -[[image:image-20220524093724-9.png]]
1046 -)))
901 +(% border="1" style="background-color:#f7faff" %)
902 +|Downlink Code|RO1|RO2
903 +|03  00  11|Open|No Action
904 +|03  01  11|Close|No Action
905 +|03  11  00|No Action|Open
906 +|03  11  01|No Action|Close
907 +|03  00  00|Open|Open
908 +|03  01  01|Close|Close
909 +|03  01  00|Close|Open
910 +|03  00  01|Open|Close
1047 1047  
1048 1048  Device will upload a packet if downlink code executes successfully.
1049 1049  
1050 1050  
1051 -==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
915 +==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1052 1052  
1053 1053  * AT Command:
1054 1054  
1055 1055  There is no AT Command to control Relay Output
1056 1056  
921 +
1057 1057  * Downlink Payload (prefix 0x05):
1058 1058  
1059 -(% class="box infomessage" %)
1060 -(((
1061 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1062 -)))
924 +0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
1063 1063  
1064 1064  This is to control the relay output time of relay. Include four bytes:
1065 1065  
1066 -(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
928 +**First Byte:** Type code (0x05)
1067 1067  
1068 -(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
930 +**Second Byte(aa)**: Inverter Mode
1069 1069  
1070 1070  01: Relays will change back to original state after timeout.
1071 1071  
1072 1072  00: Relays will change to an inverter state after timeout
1073 1073  
1074 -(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1075 1075  
1076 -[[image:image-20220524093831-10.png]]
937 +**Third Byte(bb)**: Control Method and Ports status:
1077 1077  
1078 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
939 +(% border="1" style="background-color:#f7faff" %)
940 +|Value|Status
941 +|0x11|RO1 and RO2 to NO
942 +|0x10|RO2 to NO, RO1 to NC
943 +|0x01|RO2 to NC, RO1 to NO
944 +|0x00|RO1 and RO2 to NC.
945 +|0x20|RO1 No Action, RO2 to NC
946 +|0x21|RO1 No Action, RO2 to NO
947 +|0x02|RO1 to NC, RO2 No Action
948 +|0x12|RO1 to NO, RO2 No Action
1079 1079  
950 +**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
951 +
1080 1080  Device will upload a packet if downlink code executes successfully.
1081 1081  
954 +
955 +
1082 1082  **Example payload:**
1083 1083  
1084 -**~1. 05 01 11 07 D0**
958 +1. 05 01 11 07 D0
1085 1085  
1086 1086  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1087 1087  
1088 -**2. 05 01 10 07 D0**
1089 1089  
963 +1. 05 01 10 07 D0
964 +
1090 1090  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1091 1091  
1092 -**3. 05 00 01 07 D0**
1093 1093  
968 +1. 05 00 01 07 D0
969 +
1094 1094  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1095 1095  
1096 -**4. 05 00 00 07 D0**
1097 1097  
973 +1. 05 00 00 07 D0
974 +
1098 1098  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1099 1099  
1100 1100  
1101 -==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1102 1102  
1103 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1104 1104  
980 +
981 +
982 +==== Counting ~-~- Voltage threshold counting ====
983 +
984 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
985 +
1105 1105  * AT Command:
1106 1106  
1107 -(% class="box infomessage" %)
1108 -(((
1109 -**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1110 -)))
988 +AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1111 1111  
990 +
1112 1112  * Downlink Payload (prefix 0xA5):
1113 1113  
1114 -(% class="box infomessage" %)
1115 -(((
1116 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1117 -)))
993 +0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1118 1118  
1119 -==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1120 1120  
996 +==== Counting ~-~- Pre-configure the Count Number ====
997 +
1121 1121  * AT Command:
1122 1122  
1123 -(% class="box infomessage" %)
1124 -(((
1125 -**AT+SETCNT=aa,(bb cc dd ee) **
1126 -)))
1000 +AT+SETCNT=aa,(bb cc dd ee)
1127 1127  
1128 1128  aa: 1: Set count1,
1129 1129  
... ... @@ -1133,114 +1133,115 @@
1133 1133  
1134 1134  Bb cc dd ee: number to be set
1135 1135  
1010 +
1136 1136  * Downlink Payload (prefix 0xA8):
1137 1137  
1138 -(% class="box infomessage" %)
1139 -(((
1140 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1141 -)))
1013 +0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1142 1142  
1143 -==== 3.4.2.18 Counting ~-~- Clear Counting ====
1144 1144  
1016 +
1017 +
1018 +
1019 +==== Counting ~-~- Clear Counting ====
1020 +
1145 1145  Clear counting for counting mode
1146 1146  
1147 1147  * AT Command:
1148 1148  
1149 -(% class="box infomessage" %)
1150 -(((
1151 -**AT+CLRCOUNT ~/~/ clear all counting**
1152 -)))
1025 +AT+CLRCOUNT ~/~/ clear all counting
1153 1153  
1027 +
1154 1154  * Downlink Payload (prefix 0xA6):
1155 1155  
1156 -(% class="box infomessage" %)
1157 -(((
1158 -**0x A6 01     ~/~/ clear all counting,**
1159 -)))
1030 +0x A6 01     ~/~/ clear all counting,
1160 1160  
1161 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1162 1162  
1033 +
1034 +
1035 +==== Counting ~-~- Change counting mode save time ====
1036 +
1163 1163  * AT Command:
1164 1164  
1165 -(% class="box infomessage" %)
1166 -(((
1167 -**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1168 -)))
1039 +AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1169 1169  
1041 +
1170 1170  * Downlink Payload (prefix 0xA7):
1171 1171  
1172 -(% class="box infomessage" %)
1173 -(((
1174 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1175 -)))
1044 +0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1176 1176  
1177 -(((
1178 1178  range: aa bb cc:0 to 16777215,  (unit:second)
1179 -)))
1180 1180  
1181 -== 3.5 Integrate with Mydevice ==
1182 1182  
1049 +
1050 +
1051 +1.
1052 +11. Integrate with Mydevice
1053 +
1183 1183  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:
1184 1184  
1185 -(((
1186 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1187 -)))
1188 1188  
1189 -(((
1190 -**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:
1191 -)))
1057 +Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1192 1192  
1193 -[[image:1653356737703-362.png||height="232" width="732"]]
1059 +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:
1194 1194  
1195 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1196 1196  
1197 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1062 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1198 1198  
1199 -**Step 3**: Create an account or log in Mydevices.
1200 1200  
1201 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1065 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1202 1202  
1067 +
1068 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1069 +
1070 +
1071 +
1072 +Step 3: Create an account or log in Mydevices.
1073 +
1074 +Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1075 +
1203 1203  Search under The things network
1204 1204  
1205 -[[image:1653356838789-523.png||height="337" width="740"]]
1078 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1206 1206  
1080 +
1207 1207  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1208 1208  
1209 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1083 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1210 1210  
1211 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1212 1212  
1213 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1086 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1214 1214  
1215 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1216 1216  
1217 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1089 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1218 1218  
1219 -== 3.6 Interface Detail ==
1220 1220  
1221 -=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1092 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1222 1222  
1094 +
1095 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1096 +
1097 +
1098 +1.
1099 +11. Interface Detail
1100 +111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1101 +
1223 1223  Support NPN Type sensor
1224 1224  
1225 -[[image:1653356991268-289.png]]
1104 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1226 1226  
1227 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1228 1228  
1229 -(((
1107 +
1108 +1.
1109 +11.
1110 +111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1111 +
1230 1230  The DI port of LT-22222-L can support NPN or PNP output sensor.
1231 -)))
1232 1232  
1233 -(((
1234 -(((
1235 1235  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
1236 -)))
1237 -)))
1238 1238  
1239 -[[image:1653357170703-587.png]]
1116 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1240 1240  
1241 -(((
1242 1242  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1243 -)))
1244 1244  
1245 1245  
1246 1246  **Example1**: Connect to a Low active sensor.
... ... @@ -1250,11 +1250,11 @@
1250 1250  * Connect sensor’s output to DI1-
1251 1251  * Connect sensor’s VCC to DI1+.
1252 1252  
1253 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1128 +So when sensor active, the current between NEC2501 pin1 and pin2 is:
1254 1254  
1255 -[[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.**
1130 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1256 1256  
1257 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1132 +If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
1258 1258  
1259 1259  
1260 1260  **Example2**: Connect to a High active sensor.
... ... @@ -1266,12 +1266,12 @@
1266 1266  
1267 1267  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1268 1268  
1269 -[[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.**
1144 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1270 1270  
1271 -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.
1146 +If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
1272 1272  
1273 1273  
1274 -**Example3**: Connect to a 220v high active sensor.
1149 +**Example3**: Connect to a 220v high active sensor.公司测试一下
1275 1275  
1276 1276  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1277 1277  
... ... @@ -1280,24 +1280,34 @@
1280 1280  
1281 1281  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1282 1282  
1283 - [[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.**
1158 + //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1284 1284  
1285 -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.
1160 +If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1286 1286  
1287 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1288 1288  
1163 +1.
1164 +11.
1165 +111. Digital Output Port: DO1/DO2 /DO3
1166 +
1289 1289  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1290 1290  
1291 -[[image:1653357531600-905.png]]
1169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1292 1292  
1293 -=== 3.6.4 Analog Input Interface ===
1294 1294  
1172 +
1173 +
1174 +1.
1175 +11.
1176 +111. Analog Input Interface
1177 +
1295 1295  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:
1296 1296  
1297 -**AC2 = (IN2 voltage )/12**
1180 +AC2 = (IN2 voltage )/12
1298 1298  
1299 -[[image:1653357592296-182.png]]
1182 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1300 1300  
1184 +
1185 +
1301 1301  Example to connect a 4~~20mA sensor
1302 1302  
1303 1303  We take the wind speed sensor as an example for reference only.
... ... @@ -1313,618 +1313,423 @@
1313 1313  
1314 1314  Connection diagram:
1315 1315  
1316 -[[image:1653357640609-758.png]]
1201 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1317 1317  
1318 -[[image:1653357648330-671.png||height="155" width="733"]]
1203 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1319 1319  
1320 -=== 3.6.5 Relay Output ===
1321 1321  
1322 -(((
1206 +
1207 +1.
1208 +11.
1209 +111. Relay Output
1210 +
1323 1323  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:
1324 -)))
1325 1325  
1326 -[[image:image-20220524100215-9.png]]
1213 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1327 1327  
1328 -[[image:image-20220524100215-10.png||height="382" width="723"]]
1329 1329  
1330 -== 3.7 LEDs Indicators ==
1216 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1331 1331  
1332 -[[image:image-20220524100748-11.png]]
1333 1333  
1334 -= 4. Use AT Command =
1335 1335  
1336 -== 4.1 Access AT Command ==
1337 1337  
1338 -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.
1339 1339  
1340 -[[image:1653358238933-385.png]]
1222 +1.
1223 +11. LEDs Indicators
1341 1341  
1342 -(((
1343 -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:
1225 +(% border="1" style="background-color:#f7faff" %)
1226 +|**LEDs**|**Feature**
1227 +|**PWR**|Always on if there is power
1228 +|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1229 +|**TX**|(((
1230 +Device boot: TX blinks 5 times.
1231 +
1232 +Successful join network: TX ON for 5 seconds.
1233 +
1234 +Transmit a LoRa packet: TX blinks once
1344 1344  )))
1236 +|**RX**|RX blinks once when receive a packet.
1237 +|**DO1**|
1238 +|**DO2**|
1239 +|**DO3**|
1240 +|**DI2**|(((
1241 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1345 1345  
1346 -[[image:1653358355238-883.png]]
1243 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1244 +)))
1245 +|**DI2**|(((
1246 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1347 1347  
1348 -(((
1349 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1248 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1350 1350  )))
1250 +|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1251 +|**DI2**|(((
1252 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1351 1351  
1352 -(((
1353 -AT+<CMD>?        : Help on <CMD>
1254 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1354 1354  )))
1256 +|**RO1**|
1257 +|**RO2**|
1355 1355  
1356 -(((
1259 +1. Use AT Command
1260 +11. Access AT Command
1261 +
1262 +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.
1263 +
1264 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1265 +
1266 +
1267 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1268 +
1269 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1270 +
1271 +
1272 +More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1273 +
1274 +AT+<CMD>?        : Help on <CMD>
1275 +
1357 1357  AT+<CMD>         : Run <CMD>
1358 -)))
1359 1359  
1360 -(((
1361 1361  AT+<CMD>=<value> : Set the value
1362 -)))
1363 1363  
1364 -(((
1365 1365  AT+<CMD>=?       : Get the value
1366 -)))
1367 1367  
1368 -(((
1369 1369  ATZ: Trig a reset of the MCU
1370 -)))
1371 1371  
1372 -(((
1373 1373  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1374 -)))
1375 1375  
1376 -(((
1377 1377  AT+DEUI: Get or Set the Device EUI
1378 -)))
1379 1379  
1380 -(((
1381 1381  AT+DADDR: Get or Set the Device Address
1382 -)))
1383 1383  
1384 -(((
1385 1385  AT+APPKEY: Get or Set the Application Key
1386 -)))
1387 1387  
1388 -(((
1389 1389  AT+NWKSKEY: Get or Set the Network Session Key
1390 -)))
1391 1391  
1392 -(((
1393 1393  AT+APPSKEY: Get or Set the Application Session Key
1394 -)))
1395 1395  
1396 -(((
1397 1397  AT+APPEUI: Get or Set the Application EUI
1398 -)))
1399 1399  
1400 -(((
1401 1401  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1402 -)))
1403 1403  
1404 -(((
1405 1405  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1406 -)))
1407 1407  
1408 -(((
1409 1409  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1410 -)))
1411 1411  
1412 -(((
1413 1413  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1414 -)))
1415 1415  
1416 -(((
1417 1417  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1418 -)))
1419 1419  
1420 -(((
1421 1421  AT+RX2FQ: Get or Set the Rx2 window frequency
1422 -)))
1423 1423  
1424 -(((
1425 1425  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1426 -)))
1427 1427  
1428 -(((
1429 1429  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1430 -)))
1431 1431  
1432 -(((
1433 1433  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1434 -)))
1435 1435  
1436 -(((
1437 1437  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1438 -)))
1439 1439  
1440 -(((
1441 1441  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1442 -)))
1443 1443  
1444 -(((
1445 1445  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1446 -)))
1447 1447  
1448 -(((
1449 1449  AT+NWKID: Get or Set the Network ID
1450 -)))
1451 1451  
1452 -(((
1453 1453  AT+FCU: Get or Set the Frame Counter Uplink
1454 -)))
1455 1455  
1456 -(((
1457 1457  AT+FCD: Get or Set the Frame Counter Downlink
1458 -)))
1459 1459  
1460 -(((
1461 1461  AT+CLASS: Get or Set the Device Class
1462 -)))
1463 1463  
1464 -(((
1465 1465  AT+JOIN: Join network
1466 -)))
1467 1467  
1468 -(((
1469 1469  AT+NJS: Get OTAA Join Status
1470 -)))
1471 1471  
1472 -(((
1473 1473  AT+SENDB: Send hexadecimal data along with the application port
1474 -)))
1475 1475  
1476 -(((
1477 1477  AT+SEND: Send text data along with the application port
1478 -)))
1479 1479  
1480 -(((
1481 1481  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1482 -)))
1483 1483  
1484 -(((
1485 1485  AT+RECV: Print last received data in raw format
1486 -)))
1487 1487  
1488 -(((
1489 1489  AT+VER: Get current image version and Frequency Band
1490 -)))
1491 1491  
1492 -(((
1493 1493  AT+CFM: Get or Set the confirmation mode (0-1)
1494 -)))
1495 1495  
1496 -(((
1497 1497  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1498 -)))
1499 1499  
1500 -(((
1501 1501  AT+SNR: Get the SNR of the last received packet
1502 -)))
1503 1503  
1504 -(((
1505 1505  AT+RSSI: Get the RSSI of the last received packet
1506 -)))
1507 1507  
1508 -(((
1509 1509  AT+TDC: Get or set the application data transmission interval in ms
1510 -)))
1511 1511  
1512 -(((
1513 1513  AT+PORT: Get or set the application port
1514 -)))
1515 1515  
1516 -(((
1517 1517  AT+DISAT: Disable AT commands
1518 -)))
1519 1519  
1520 -(((
1521 1521  AT+PWORD: Set password, max 9 digits
1522 -)))
1523 1523  
1524 -(((
1525 1525  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1526 -)))
1527 1527  
1528 -(((
1529 1529  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1530 -)))
1531 1531  
1532 -(((
1533 1533  AT+CFG: Print all settings
1534 -)))
1535 1535  
1536 -== 4.2 Common AT Command Sequence ==
1537 1537  
1538 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1539 1539  
1540 -(((
1368 +1.
1369 +11. Common AT Command Sequence
1370 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1371 +
1541 1541  If device has not joined network yet:
1542 -)))
1543 1543  
1544 -(((
1545 -(% style="background-color:#dcdcdc" %)123456
1546 -)))
1374 +123456
1547 1547  
1548 -(((
1549 -(% style="background-color:#dcdcdc" %)AT+FDR
1550 -)))
1376 +AT+FDR
1551 1551  
1552 -(((
1553 -(% style="background-color:#dcdcdc" %)123456
1554 -)))
1378 +123456
1555 1555  
1556 -(((
1557 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1558 -)))
1380 +AT+NJM=0
1559 1559  
1560 -(((
1561 -(% style="background-color:#dcdcdc" %)ATZ
1562 -)))
1382 +ATZ
1563 1563  
1564 1564  
1565 -(((
1566 1566  If device already joined network:
1567 -)))
1568 1568  
1569 -(((
1570 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1571 -)))
1387 +AT+NJM=0
1572 1572  
1573 -(((
1574 -(% style="background-color:#dcdcdc" %)ATZ
1575 -)))
1389 +ATZ
1576 1576  
1577 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1391 +1.
1392 +11.
1393 +111. Single-channel ABP mode (Use with LG01/LG02)
1578 1578  
1579 -(((
1580 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1581 -)))
1395 +123456   Enter Password to have AT access.
1582 1582  
1583 -(((
1584 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1585 -)))
1397 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1586 1586  
1587 -(((
1588 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1589 -)))
1399 +123456   Enter Password to have AT access.
1590 1590  
1591 -(((
1592 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1593 -)))
1401 +AT+CLASS=C Set to work in CLASS C
1594 1594  
1595 -(((
1596 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1597 -)))
1403 +AT+NJM=0 Set to ABP mode
1598 1598  
1599 -(((
1600 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1601 -)))
1405 +AT+ADR=0 Set the Adaptive Data Rate Off
1602 1602  
1603 -(((
1604 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1605 -)))
1407 +AT+DR=5  Set Data Rate
1606 1606  
1607 -(((
1608 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1609 -)))
1409 +AT+TDC=60000  Set transmit interval to 60 seconds
1610 1610  
1611 -(((
1612 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1613 -)))
1411 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1614 1614  
1615 -(((
1616 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1617 -)))
1413 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1618 1618  
1619 -(((
1620 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1621 -)))
1415 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1622 1622  
1623 -(((
1624 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1625 -)))
1417 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1626 1626  
1627 -(((
1628 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1629 -)))
1419 +ATZ          Reset MCU
1630 1630  
1631 -(((
1632 -(% style="color:red" %)**Note:**
1633 -)))
1421 +**Note:**
1634 1634  
1635 -(((
1636 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1637 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1638 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1639 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1640 -)))
1423 +1. Make sure the device is set to ABP mode in the IoT Server.
1424 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1425 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1426 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1641 1641  
1642 -(((
1643 -[[image:1653359097980-169.png||height="188" width="729"]]
1644 -)))
1428 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1645 1645  
1646 -(((
1647 -
1648 -)))
1649 1649  
1650 -=== 4.2.3 Change to Class A ===
1431 +1.
1432 +11.
1433 +111. Change to Class A
1651 1651  
1652 1652  If sensor JOINED
1653 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1436 +
1437 +AT+CLASS=A
1438 +
1654 1654  ATZ
1655 1655  
1656 -= 5. FAQ =
1657 1657  
1658 -== 5.1 How to upgrade the image? ==
1659 1659  
1443 +
1444 +
1445 +1. FAQ
1446 +
1447 +1.
1448 +11. How to upgrade the image?
1449 +
1660 1660  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1661 1661  
1662 1662  * Support new features
1663 1663  * For bug fix
1664 1664  * Change LoRaWAN bands.
1455 +
1665 1665  Below shows the hardware connection for how to upload an image to the LT:
1666 -* [[image:1653359603330-121.png]]
1667 1667  
1668 -(((
1458 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1459 +
1460 +
1669 1669  **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]].
1462 +
1670 1670  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1464 +
1671 1671  **Step3: **Open flashloader; choose the correct COM port to update.
1466 +
1467 +**For LT-33222-L**:
1468 +
1469 +Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1470 +
1672 1672  **For LT-22222-L**:
1472 +
1673 1673  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.
1474 +
1475 +
1476 +
1477 +|(((
1478 +Board detected
1674 1674  )))
1675 1675  
1676 - [[image:image-20220524103407-12.png]]
1481 +|(((
1482 +
1483 +)))
1677 1677  
1678 -[[image:image-20220524103429-13.png]]
1485 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1679 1679  
1680 -[[image:image-20220524104033-15.png]]
1681 1681  
1682 -(% 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:
1683 1683  
1684 -[[image:1653360054704-518.png||height="186" width="745"]]
1489 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
1685 1685  
1686 -(((
1687 -(((
1688 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1689 -)))
1690 -)))
1691 1691  
1692 -(((
1693 -User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1694 -)))
1492 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
1695 1695  
1696 -(((
1697 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1698 -)))
1699 1699  
1700 -(((
1701 -(((
1495 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1496 +
1497 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1498 +
1499 +
1500 +1.
1501 +11. How to change the LoRa Frequency Bands/Region?
1502 +
1503 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1504 +
1505 +
1506 +1.
1507 +11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1508 +
1702 1702  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1703 -)))
1704 -)))
1705 1705  
1706 -(((
1707 -(((
1708 1708  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1709 -)))
1710 -)))
1711 1711  
1712 -(((
1713 -(% 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.
1714 -)))
1715 1715  
1716 -(((
1717 -[[image:1653360231087-571.png||height="401" width="727"]]
1718 -)))
1514 +**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.
1719 1719  
1720 -(((
1721 -(% 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.
1722 -)))
1516 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1723 1723  
1724 -(((
1725 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1726 -)))
1518 +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.
1727 1727  
1728 -(((
1729 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1730 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1731 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1732 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1733 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1734 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1735 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1736 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1737 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1738 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1739 -)))
1740 1740  
1741 -(((
1521 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1522 +
1523 +123456   Enter Password to have AT access.
1524 +
1525 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1526 +
1527 +123456   Enter Password to have AT access.
1528 +
1529 +AT+NJM=0 Set to ABP mode
1530 +
1531 +AT+ADR=0 Set the Adaptive Data Rate Off
1532 +
1533 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1534 +
1535 +AT+TDC=60000  Set transmit interval to 60 seconds
1536 +
1537 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1538 +
1539 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1540 +
1541 +ATZ                Reset MCU
1542 +
1742 1742  As shown in below:
1743 -)))
1744 1744  
1745 -[[image:1653360498588-932.png||height="485" width="726"]]
1545 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1746 1746  
1747 -== 5.4 Can I see counting event in Serial? ==
1748 1748  
1749 -(((
1548 +
1549 +1.
1550 +11. Can I see counting event in Serial?
1551 +
1750 1750  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.
1751 -)))
1752 1752  
1753 -(((
1754 -= 6. Trouble Shooting =
1755 -)))
1756 1756  
1757 -(((
1758 -(((
1759 -== 6.1 Downlink doesn’t work, how to solve it? ==
1760 -)))
1761 -)))
1762 1762  
1763 -(((
1764 -Please see this link for how to debug:
1765 1765  
1766 -[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1767 -)))
1557 +1. Trouble Shooting     
1558 +11. Downlink doesn’t work, how to solve it?
1768 1768  
1769 -(((
1560 +Please see this link for how to debug:
1561 +
1770 1770  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1771 -)))
1772 1772  
1773 -(((
1774 -== 6.2 Have trouble to upload image. ==
1775 -)))
1776 1776  
1777 -(((
1565 +1.
1566 +11. Have trouble to upload image.
1567 +
1778 1778  See this link for trouble shooting:
1779 -)))
1780 1780  
1781 -(((
1782 1782  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1783 -)))
1784 1784  
1785 -(((
1786 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1787 -)))
1788 1788  
1789 -(((
1573 +1.
1574 +11. Why I can’t join TTN in US915 /AU915 bands?
1575 +
1790 1790  It might be about the channels mapping. Please see this link for detail:
1791 -)))
1792 1792  
1793 -(((
1794 1794  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1795 -)))
1796 1796  
1797 -(((
1798 -= 7. Order Info =
1799 -)))
1800 1800  
1801 -(((
1802 -(((
1803 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1804 -)))
1805 -)))
1806 1806  
1807 -(((
1808 -(((
1809 -(% style="color:#4f81bd" %)**XXX:**
1810 -)))
1811 -)))
1812 1812  
1813 -(((
1814 -* (((
1815 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1816 -)))
1817 -)))
1583 +1. Order Info
1818 1818  
1819 -(((
1820 -* (((
1821 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1822 -)))
1823 -)))
1585 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1824 1824  
1825 -(((
1826 -* (((
1827 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1828 -)))
1829 -)))
1587 +**XXX:**
1830 1830  
1831 -(((
1832 -* (((
1833 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1834 -)))
1835 -)))
1589 +* **EU433**: LT with frequency bands EU433
1590 +* **EU868**: LT with frequency bands EU868
1591 +* **KR920**: LT with frequency bands KR920
1592 +* **CN470**: LT with frequency bands CN470
1593 +* **AS923**: LT with frequency bands AS923
1594 +* **AU915**: LT with frequency bands AU915
1595 +* **US915**: LT with frequency bands US915
1596 +* **IN865**: LT with frequency bands IN865
1597 +* **CN779**: LT with frequency bands CN779
1836 1836  
1837 -(((
1838 -* (((
1839 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1840 -)))
1841 -)))
1599 +1. Packing Info
1842 1842  
1843 -(((
1844 -* (((
1845 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1846 -)))
1847 -)))
1848 -
1849 -(((
1850 -* (((
1851 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1852 -)))
1853 -)))
1854 -
1855 -(((
1856 -* (((
1857 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1858 -)))
1859 -)))
1860 -
1861 -(((
1862 -* (((
1863 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1864 -)))
1865 -
1866 -= 8. Packing Info =
1867 -)))
1868 -
1869 -(((
1870 -(((
1871 1871  **Package Includes**:
1872 -)))
1873 -)))
1874 1874  
1875 -(((
1876 -(((
1877 -* LT-22222-L I/O Controller x 1
1603 +* LT I/O Controller x 1
1878 1878  * Stick Antenna for LoRa RF part x 1
1879 1879  * Bracket for controller x1
1880 1880  * Program cable x 1
1881 -)))
1882 -)))
1883 1883  
1884 -(((
1885 -(((
1886 1886  **Dimension and weight**:
1887 -)))
1888 -)))
1889 1889  
1890 -(((
1891 -(((
1892 1892  * Device Size: 13.5 x 7 x 3 cm
1893 1893  * Device Weight: 105g
1894 1894  * Package Size / pcs : 14.5 x 8 x 5 cm
1895 1895  * Weight / pcs : 170g
1896 -)))
1897 -)))
1898 1898  
1899 -(((
1900 -= 9. Support =
1901 -)))
1615 +1. Support
1902 1902  
1903 -* (((
1904 -(((
1905 -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.
1906 -)))
1907 -)))
1908 -* (((
1909 -(((
1910 -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
1911 -)))
1912 -)))
1617 +* 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.
1618 +* 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
1913 1913  
1914 -(((
1915 -(((
1916 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1917 -)))
1918 -
1919 -(((
1920 -= 10. Reference​​​​​ =
1921 -
1922 -* Product Page:
1923 -
1924 -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]]
1925 -
1926 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1927 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1928 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1929 -)))
1930 -)))
1620 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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