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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 66.28
edited by Xiaoling
on 2022/05/24 14:10
Change comment: There is no comment for this version
To version 32.1
edited by Xiaoling
on 2022/05/24 09:37
Change comment: Uploaded new attachment "image-20220524093724-9.png", version {1}

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
... ... @@ -199,19 +199,13 @@
199 199  
200 200  == 3.1 How it works? ==
201 201  
202 -(((
203 203  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
204 -)))
205 205  
206 -(((
207 -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  
... ... @@ -311,9 +311,7 @@
311 311  
312 312  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
313 313  
314 -(((
315 315  Total : 11 bytes payload
316 -)))
317 317  
318 318  [[image:image-20220523180452-3.png]]
319 319  
... ... @@ -327,77 +327,53 @@
327 327  * FIRST: Indicate this is the first packet after join network.
328 328  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
329 329  
330 -(((
331 331  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
332 -)))
333 333  
334 -(((
335 335  **To use counting mode, please run:**
336 -)))
337 337  
338 338  (% class="box infomessage" %)
339 339  (((
340 -(((
341 341  **AT+MOD=2**
342 342  )))
343 -)))
344 344  
345 345  (% class="box infomessage" %)
346 346  (((
347 -(((
348 348  **ATZ**
349 349  )))
350 -)))
351 351  
352 -(((
353 353  (% style="color:#4f81bd" %)**AT Commands for counting:**
354 -)))
355 355  
356 -(((
357 357  **For LT22222-L:**
358 -)))
359 359  
360 360  (% class="box infomessage" %)
361 361  (((
362 -(((
363 363  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
364 364  )))
365 -)))
366 366  
367 367  (% class="box infomessage" %)
368 368  (((
369 -(((
370 370  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
371 371  )))
372 -)))
373 373  
374 374  (% class="box infomessage" %)
375 375  (((
376 -(((
377 377  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
378 378  )))
379 -)))
380 380  
381 381  (% class="box infomessage" %)
382 382  (((
383 -(((
384 384  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
385 385  )))
386 -)))
387 387  
388 388  (% class="box infomessage" %)
389 389  (((
390 -(((
391 391  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
392 392  )))
393 -)))
394 394  
395 395  (% class="box infomessage" %)
396 396  (((
397 -(((
398 398  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
399 399  )))
400 -)))
401 401  
402 402  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
403 403  
... ... @@ -415,31 +415,21 @@
415 415  * FIRST: Indicate this is the first packet after join network.
416 416  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
417 417  
418 -(((
419 419  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
420 -)))
421 421  
422 -(((
423 423  **To use counting mode, please run:**
424 -)))
425 425  
426 426  (% class="box infomessage" %)
427 427  (((
428 -(((
429 429  **AT+MOD=3**
430 430  )))
431 -)))
432 432  
433 433  (% class="box infomessage" %)
434 434  (((
435 -(((
436 436  **ATZ**
437 437  )))
438 -)))
439 439  
440 -(((
441 -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]].
442 -)))
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
443 443  
444 444  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
445 445  
... ... @@ -459,67 +459,44 @@
459 459  * FIRST: Indicate this is the first packet after join network.
460 460  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
461 461  
462 -(((
463 463  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
464 -)))
465 465  
466 -(((
467 467  **To use this mode, please run:**
468 -)))
469 469  
470 470  (% class="box infomessage" %)
471 471  (((
472 -(((
473 473  **AT+MOD=4**
474 474  )))
475 -)))
476 476  
477 477  (% class="box infomessage" %)
478 478  (((
479 -(((
480 480  **ATZ**
481 481  )))
482 -)))
483 483  
484 -(((
485 -
486 -)))
487 487  
488 -(((
489 -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]].
490 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
491 491  
492 -(((
493 493  **Plus below command for AVI1 Counting:**
494 -)))
495 495  
496 496  (% class="box infomessage" %)
497 497  (((
498 -(((
499 499  **AT+SETCNT=3,60   (set AVI Count to 60)**
500 500  )))
501 -)))
502 502  
503 503  (% class="box infomessage" %)
504 504  (((
505 -(((
506 506  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
507 507  )))
508 -)))
509 509  
510 510  (% class="box infomessage" %)
511 511  (((
512 -(((
513 513  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
514 514  )))
515 -)))
516 516  
517 517  (% class="box infomessage" %)
518 518  (((
519 -(((
520 520  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
521 521  )))
522 -)))
523 523  
524 524  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
525 525  
... ... @@ -533,35 +533,23 @@
533 533  
534 534  * RO is for relay. ROx=1 : close，ROx=0 always open.
535 535  * FIRST: Indicate this is the first packet after join network.
536 -* (((
537 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
538 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
539 539  
540 -(((
541 541  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
542 -)))
543 543  
544 -(((
545 545  **To use this mode, please run:**
546 -)))
547 547  
548 548  (% class="box infomessage" %)
549 549  (((
550 -(((
551 551  **AT+MOD=5**
552 552  )))
553 -)))
554 554  
555 555  (% class="box infomessage" %)
556 556  (((
557 -(((
558 558  **ATZ**
559 559  )))
560 -)))
561 561  
562 -(((
563 -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]].
564 -)))
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
565 565  
566 566  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
567 567  
... ... @@ -610,7 +610,7 @@
610 610  
611 611  **Downlink Command to set Trigger Condition**
612 612  
613 -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]]
614 614  
615 615  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
616 616  
... ... @@ -630,7 +630,7 @@
630 630  
631 631  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
632 632  
633 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
634 634  
635 635  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
636 636  
... ... @@ -969,10 +969,8 @@
969 969  
970 970  (% class="box infomessage" %)
971 971  (((
972 -(((
973 973  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
974 974  )))
975 -)))
976 976  
977 977  This is to control the digital output time of DO pin. Include four bytes:
978 978  
... ... @@ -994,7 +994,11 @@
994 994  
995 995  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
996 996  
997 -[[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
998 998  
999 999  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1000 1000  
... ... @@ -1002,129 +1002,147 @@
1002 1002  
1003 1003  Device will upload a packet if downlink code executes successfully.
1004 1004  
1005 -**Example payload:**
1006 1006  
1007 -**~1. A9 01 01 01 01 07 D0**
1008 1008  
862 +Example payload:
863 +
864 +1. A9 01 01 01 01 07 D0
865 +
1009 1009  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
1010 1010  
1011 -**2. A9 01 00 01 11 07 D0**
1012 1012  
869 +1. A9 01 00 01 11 07 D0
870 +
1013 1013  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
1014 1014  
1015 -**3. A9 00 00 00 00 07 D0**
1016 1016  
874 +1. A9 00 00 00 00 07 D0
875 +
1017 1017  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
1018 1018  
1019 -**4. A9 00 11 01 00 07 D0**
1020 1020  
879 +1. A9 00 11 01 00 07 D0
880 +
1021 1021  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
1022 1022  
1023 1023  
1024 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1025 1025  
885 +
886 +==== Relay ~-~- Control Relay Output RO1/RO2 ====
887 +
1026 1026  * AT Command:
1027 1027  
1028 1028  There is no AT Command to control Relay Output
1029 1029  
892 +
1030 1030  * Downlink Payload (prefix 0x03):
1031 1031  
1032 -(% class="box infomessage" %)
1033 -(((
1034 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1035 -)))
895 +0x03 aa bb     ~/~/ Set RO1/RO2 output
1036 1036  
1037 -(((
1038 1038  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1039 -)))
1040 1040  
1041 -(((
1042 1042  01: Close ,  00: Open , 11: No action
1043 -)))
1044 1044  
1045 -(((
1046 -[[image:image-20220524093724-9.png]]
1047 -)))
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
1048 1048  
1049 1049  Device will upload a packet if downlink code executes successfully.
1050 1050  
1051 1051  
1052 -==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
915 +==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1053 1053  
1054 1054  * AT Command:
1055 1055  
1056 1056  There is no AT Command to control Relay Output
1057 1057  
921 +
1058 1058  * Downlink Payload (prefix 0x05):
1059 1059  
1060 -(% class="box infomessage" %)
1061 -(((
1062 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1063 -)))
924 +0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
1064 1064  
1065 1065  This is to control the relay output time of relay. Include four bytes:
1066 1066  
1067 -(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
928 +**First Byte:** Type code (0x05)
1068 1068  
1069 -(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
930 +**Second Byte(aa)**: Inverter Mode
1070 1070  
1071 1071  01: Relays will change back to original state after timeout.
1072 1072  
1073 1073  00: Relays will change to an inverter state after timeout
1074 1074  
1075 -(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1076 1076  
1077 -[[image:image-20220524093831-10.png]]
937 +**Third Byte(bb)**: Control Method and Ports status:
1078 1078  
1079 -(% 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
1080 1080  
950 +**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
951 +
1081 1081  Device will upload a packet if downlink code executes successfully.
1082 1082  
954 +
955 +
1083 1083  **Example payload:**
1084 1084  
1085 -**~1. 05 01 11 07 D0**
958 +1. 05 01 11 07 D0
1086 1086  
1087 1087  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1088 1088  
1089 -**2. 05 01 10 07 D0**
1090 1090  
963 +1. 05 01 10 07 D0
964 +
1091 1091  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1092 1092  
1093 -**3. 05 00 01 07 D0**
1094 1094  
968 +1. 05 00 01 07 D0
969 +
1095 1095  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1096 1096  
1097 -**4. 05 00 00 07 D0**
1098 1098  
973 +1. 05 00 00 07 D0
974 +
1099 1099  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1100 1100  
1101 1101  
1102 -==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1103 1103  
1104 -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]]
1105 1105  
980 +
981 +
982 +==== Counting ~-~- Voltage threshold counting ====
983 +
984 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
985 +
1106 1106  * AT Command:
1107 1107  
1108 -(% class="box infomessage" %)
1109 -(((
1110 -**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]]**
1111 -)))
988 +AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1112 1112  
990 +
1113 1113  * Downlink Payload (prefix 0xA5):
1114 1114  
1115 -(% class="box infomessage" %)
1116 -(((
1117 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1118 -)))
993 +0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1119 1119  
1120 -==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1121 1121  
996 +==== Counting ~-~- Pre-configure the Count Number ====
997 +
1122 1122  * AT Command:
1123 1123  
1124 -(% class="box infomessage" %)
1125 -(((
1126 -**AT+SETCNT=aa,(bb cc dd ee) **
1127 -)))
1000 +AT+SETCNT=aa,(bb cc dd ee)
1128 1128  
1129 1129  aa: 1: Set count1,
1130 1130  
... ... @@ -1134,108 +1134,115 @@
1134 1134  
1135 1135  Bb cc dd ee: number to be set
1136 1136  
1010 +
1137 1137  * Downlink Payload (prefix 0xA8):
1138 1138  
1139 -(% class="box infomessage" %)
1140 -(((
1141 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1142 -)))
1013 +0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1143 1143  
1144 -==== 3.4.2.18 Counting ~-~- Clear Counting ====
1145 1145  
1016 +
1017 +
1018 +
1019 +==== Counting ~-~- Clear Counting ====
1020 +
1146 1146  Clear counting for counting mode
1147 1147  
1148 1148  * AT Command:
1149 1149  
1150 -(% class="box infomessage" %)
1151 -(((
1152 -**AT+CLRCOUNT ~/~/ clear all counting**
1153 -)))
1025 +AT+CLRCOUNT ~/~/ clear all counting
1154 1154  
1027 +
1155 1155  * Downlink Payload (prefix 0xA6):
1156 1156  
1157 -(% class="box infomessage" %)
1158 -(((
1159 -**0x A6 01     ~/~/ clear all counting,**
1160 -)))
1030 +0x A6 01     ~/~/ clear all counting,
1161 1161  
1162 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1163 1163  
1033 +
1034 +
1035 +==== Counting ~-~- Change counting mode save time ====
1036 +
1164 1164  * AT Command:
1165 1165  
1166 -(% class="box infomessage" %)
1167 -(((
1168 -**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 -)))
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)
1170 1170  
1041 +
1171 1171  * Downlink Payload (prefix 0xA7):
1172 1172  
1173 -(% class="box infomessage" %)
1174 -(((
1175 -**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1176 -)))
1044 +0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1177 1177  
1178 1178  range: aa bb cc:0 to 16777215,  (unit:second)
1179 1179  
1180 -== 3.5 Integrate with Mydevice ==
1181 1181  
1049 +
1050 +
1051 +1.
1052 +11. Integrate with Mydevice
1053 +
1182 1182  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:
1183 1183  
1184 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1185 1185  
1186 -**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:
1057 +Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1187 1187  
1188 -[[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:
1189 1189  
1190 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1191 1191  
1192 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1062 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1193 1193  
1194 -**Step 3**: Create an account or log in Mydevices.
1195 1195  
1196 -**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]]
1197 1197  
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 +
1198 1198  Search under The things network
1199 1199  
1200 -[[image:1653356838789-523.png||height="337" width="740"]]
1078 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1201 1201  
1080 +
1202 1202  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1203 1203  
1204 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1083 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1205 1205  
1206 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1207 1207  
1208 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1086 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1209 1209  
1210 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1211 1211  
1212 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1089 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1213 1213  
1214 -== 3.6 Interface Detail ==
1215 1215  
1216 -=== 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]]
1217 1217  
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 +
1218 1218  Support NPN Type sensor
1219 1219  
1220 -[[image:1653356991268-289.png]]
1104 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1221 1221  
1222 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1223 1223  
1224 -(((
1107 +
1108 +1.
1109 +11.
1110 +111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1111 +
1225 1225  The DI port of LT-22222-L can support NPN or PNP output sensor.
1226 -)))
1227 1227  
1228 -(((
1229 -(((
1230 1230  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
1231 -)))
1232 -)))
1233 1233  
1234 -[[image:1653357170703-587.png]]
1116 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1235 1235  
1236 -(((
1237 1237  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1238 -)))
1239 1239  
1240 1240  
1241 1241  **Example1**: Connect to a Low active sensor.
... ... @@ -1245,11 +1245,11 @@
1245 1245  * Connect sensor’s output to DI1-
1246 1246  * Connect sensor’s VCC to DI1+.
1247 1247  
1248 -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:
1249 1249  
1250 -[[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.
1251 1251  
1252 -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.
1253 1253  
1254 1254  
1255 1255  **Example2**: Connect to a High active sensor.
... ... @@ -1261,12 +1261,12 @@
1261 1261  
1262 1262  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1263 1263  
1264 -[[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.
1265 1265  
1266 -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.
1267 1267  
1268 1268  
1269 -**Example3**: Connect to a 220v high active sensor.
1149 +**Example3**: Connect to a 220v high active sensor.公司测试一下
1270 1270  
1271 1271  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1272 1272  
... ... @@ -1275,24 +1275,34 @@
1275 1275  
1276 1276  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1277 1277  
1278 - [[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.
1279 1279  
1280 -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.
1281 1281  
1282 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1283 1283  
1163 +1.
1164 +11.
1165 +111. Digital Output Port: DO1/DO2 /DO3
1166 +
1284 1284  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1285 1285  
1286 -[[image:1653357531600-905.png]]
1169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1287 1287  
1288 -=== 3.6.4 Analog Input Interface ===
1289 1289  
1172 +
1173 +
1174 +1.
1175 +11.
1176 +111. Analog Input Interface
1177 +
1290 1290  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:
1291 1291  
1292 -**AC2 = (IN2 voltage )/12**
1180 +AC2 = (IN2 voltage )/12
1293 1293  
1294 -[[image:1653357592296-182.png]]
1182 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1295 1295  
1184 +
1185 +
1296 1296  Example to connect a 4~~20mA sensor
1297 1297  
1298 1298  We take the wind speed sensor as an example for reference only.
... ... @@ -1308,616 +1308,423 @@
1308 1308  
1309 1309  Connection diagram:
1310 1310  
1311 -[[image:1653357640609-758.png]]
1201 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1312 1312  
1313 -[[image:1653357648330-671.png||height="155" width="733"]]
1203 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1314 1314  
1315 -=== 3.6.5 Relay Output ===
1316 1316  
1317 -(((
1206 +
1207 +1.
1208 +11.
1209 +111. Relay Output
1210 +
1318 1318  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:
1319 -)))
1320 1320  
1321 -[[image:image-20220524100215-9.png]]
1213 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1322 1322  
1323 -[[image:image-20220524100215-10.png||height="382" width="723"]]
1324 1324  
1325 -== 3.7 LEDs Indicators ==
1216 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1326 1326  
1327 -[[image:image-20220524100748-11.png]]
1328 1328  
1329 -= 4. Use AT Command =
1330 1330  
1331 -== 4.1 Access AT Command ==
1332 1332  
1333 -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.
1334 1334  
1335 -[[image:1653358238933-385.png]]
1222 +1.
1223 +11. LEDs Indicators
1336 1336  
1337 -(((
1338 -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
1339 1339  )))
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
1340 1340  
1341 -[[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
1342 1342  
1248 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1249 +)))
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
1253 +
1254 +For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1255 +)))
1256 +|**RO1**|
1257 +|**RO2**|
1258 +
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 +
1343 1343  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/]]
1344 1344  
1345 -(((
1346 1346  AT+<CMD>?        : Help on <CMD>
1347 -)))
1348 1348  
1349 -(((
1350 1350  AT+<CMD>         : Run <CMD>
1351 -)))
1352 1352  
1353 -(((
1354 1354  AT+<CMD>=<value> : Set the value
1355 -)))
1356 1356  
1357 -(((
1358 1358  AT+<CMD>=?       : Get the value
1359 -)))
1360 1360  
1361 -(((
1362 1362  ATZ: Trig a reset of the MCU
1363 -)))
1364 1364  
1365 -(((
1366 1366  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1367 -)))
1368 1368  
1369 -(((
1370 1370  AT+DEUI: Get or Set the Device EUI
1371 -)))
1372 1372  
1373 -(((
1374 1374  AT+DADDR: Get or Set the Device Address
1375 -)))
1376 1376  
1377 -(((
1378 1378  AT+APPKEY: Get or Set the Application Key
1379 -)))
1380 1380  
1381 -(((
1382 1382  AT+NWKSKEY: Get or Set the Network Session Key
1383 -)))
1384 1384  
1385 -(((
1386 1386  AT+APPSKEY: Get or Set the Application Session Key
1387 -)))
1388 1388  
1389 -(((
1390 1390  AT+APPEUI: Get or Set the Application EUI
1391 -)))
1392 1392  
1393 -(((
1394 1394  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1395 -)))
1396 1396  
1397 -(((
1398 1398  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1399 -)))
1400 1400  
1401 -(((
1402 1402  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1403 -)))
1404 1404  
1405 -(((
1406 1406  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1407 -)))
1408 1408  
1409 -(((
1410 1410  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1411 -)))
1412 1412  
1413 -(((
1414 1414  AT+RX2FQ: Get or Set the Rx2 window frequency
1415 -)))
1416 1416  
1417 -(((
1418 1418  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1419 -)))
1420 1420  
1421 -(((
1422 1422  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1423 -)))
1424 1424  
1425 -(((
1426 1426  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1427 -)))
1428 1428  
1429 -(((
1430 1430  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1431 -)))
1432 1432  
1433 -(((
1434 1434  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1435 -)))
1436 1436  
1437 -(((
1438 1438  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1439 -)))
1440 1440  
1441 -(((
1442 1442  AT+NWKID: Get or Set the Network ID
1443 -)))
1444 1444  
1445 -(((
1446 1446  AT+FCU: Get or Set the Frame Counter Uplink
1447 -)))
1448 1448  
1449 -(((
1450 1450  AT+FCD: Get or Set the Frame Counter Downlink
1451 -)))
1452 1452  
1453 -(((
1454 1454  AT+CLASS: Get or Set the Device Class
1455 -)))
1456 1456  
1457 -(((
1458 1458  AT+JOIN: Join network
1459 -)))
1460 1460  
1461 -(((
1462 1462  AT+NJS: Get OTAA Join Status
1463 -)))
1464 1464  
1465 -(((
1466 1466  AT+SENDB: Send hexadecimal data along with the application port
1467 -)))
1468 1468  
1469 -(((
1470 1470  AT+SEND: Send text data along with the application port
1471 -)))
1472 1472  
1473 -(((
1474 1474  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1475 -)))
1476 1476  
1477 -(((
1478 1478  AT+RECV: Print last received data in raw format
1479 -)))
1480 1480  
1481 -(((
1482 1482  AT+VER: Get current image version and Frequency Band
1483 -)))
1484 1484  
1485 -(((
1486 1486  AT+CFM: Get or Set the confirmation mode (0-1)
1487 -)))
1488 1488  
1489 -(((
1490 1490  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1491 -)))
1492 1492  
1493 -(((
1494 1494  AT+SNR: Get the SNR of the last received packet
1495 -)))
1496 1496  
1497 -(((
1498 1498  AT+RSSI: Get the RSSI of the last received packet
1499 -)))
1500 1500  
1501 -(((
1502 1502  AT+TDC: Get or set the application data transmission interval in ms
1503 -)))
1504 1504  
1505 -(((
1506 1506  AT+PORT: Get or set the application port
1507 -)))
1508 1508  
1509 -(((
1510 1510  AT+DISAT: Disable AT commands
1511 -)))
1512 1512  
1513 -(((
1514 1514  AT+PWORD: Set password, max 9 digits
1515 -)))
1516 1516  
1517 -(((
1518 1518  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1519 -)))
1520 1520  
1521 -(((
1522 1522  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1523 -)))
1524 1524  
1525 -(((
1526 1526  AT+CFG: Print all settings
1527 -)))
1528 1528  
1529 -== 4.2 Common AT Command Sequence ==
1530 1530  
1531 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1532 1532  
1533 -(((
1368 +1.
1369 +11. Common AT Command Sequence
1370 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1371 +
1534 1534  If device has not joined network yet:
1535 -)))
1536 1536  
1537 -(((
1538 -(% style="background-color:#dcdcdc" %)123456
1539 -)))
1374 +123456
1540 1540  
1541 -(((
1542 -(% style="background-color:#dcdcdc" %)AT+FDR
1543 -)))
1376 +AT+FDR
1544 1544  
1545 -(((
1546 -(% style="background-color:#dcdcdc" %)123456
1547 -)))
1378 +123456
1548 1548  
1549 -(((
1550 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1551 -)))
1380 +AT+NJM=0
1552 1552  
1553 -(((
1554 -(% style="background-color:#dcdcdc" %)ATZ
1555 -)))
1382 +ATZ
1556 1556  
1557 1557  
1558 -(((
1559 1559  If device already joined network:
1560 -)))
1561 1561  
1562 -(((
1563 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1564 -)))
1387 +AT+NJM=0
1565 1565  
1566 -(((
1567 -(% style="background-color:#dcdcdc" %)ATZ
1568 -)))
1389 +ATZ
1569 1569  
1570 -=== 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)
1571 1571  
1572 -(((
1573 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1574 -)))
1395 +123456   Enter Password to have AT access.
1575 1575  
1576 -(((
1577 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1578 -)))
1397 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1579 1579  
1580 -(((
1581 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1582 -)))
1399 +123456   Enter Password to have AT access.
1583 1583  
1584 -(((
1585 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1586 -)))
1401 +AT+CLASS=C Set to work in CLASS C
1587 1587  
1588 -(((
1589 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1590 -)))
1403 +AT+NJM=0 Set to ABP mode
1591 1591  
1592 -(((
1593 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1594 -)))
1405 +AT+ADR=0 Set the Adaptive Data Rate Off
1595 1595  
1596 -(((
1597 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1598 -)))
1407 +AT+DR=5  Set Data Rate
1599 1599  
1600 -(((
1601 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1602 -)))
1409 +AT+TDC=60000  Set transmit interval to 60 seconds
1603 1603  
1604 -(((
1605 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1606 -)))
1411 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1607 1607  
1608 -(((
1609 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1610 -)))
1413 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1611 1611  
1612 -(((
1613 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1614 -)))
1415 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1615 1615  
1616 -(((
1617 -(% 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.
1618 -)))
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.
1619 1619  
1620 -(((
1621 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1622 -)))
1419 +ATZ          Reset MCU
1623 1623  
1624 -(((
1625 -(% style="color:red" %)**Note:**
1626 -)))
1421 +**Note:**
1627 1627  
1628 -(((
1629 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1630 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1631 -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.
1632 -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
1633 -)))
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
1634 1634  
1635 -(((
1636 -[[image:1653359097980-169.png||height="188" width="729"]]
1637 -)))
1428 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1638 1638  
1639 -(((
1640 -
1641 -)))
1642 1642  
1643 -=== 4.2.3 Change to Class A ===
1431 +1.
1432 +11.
1433 +111. Change to Class A
1644 1644  
1645 1645  If sensor JOINED
1646 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1436 +
1437 +AT+CLASS=A
1438 +
1647 1647  ATZ
1648 1648  
1649 -= 5. FAQ =
1650 1650  
1651 -== 5.1 How to upgrade the image? ==
1652 1652  
1443 +
1444 +
1445 +1. FAQ
1446 +
1447 +1.
1448 +11. How to upgrade the image?
1449 +
1653 1653  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1654 1654  
1655 1655  * Support new features
1656 1656  * For bug fix
1657 1657  * Change LoRaWAN bands.
1455 +
1658 1658  Below shows the hardware connection for how to upload an image to the LT:
1659 -* [[image:1653359603330-121.png]]
1660 1660  
1661 -(((
1458 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1459 +
1460 +
1662 1662  **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 +
1663 1663  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1464 +
1664 1664  **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 +
1665 1665  **For LT-22222-L**:
1472 +
1666 1666  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
1667 1667  )))
1668 1668  
1669 - [[image:image-20220524103407-12.png]]
1481 +|(((
1482 +
1483 +)))
1670 1670  
1671 -[[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]]
1672 1672  
1673 -[[image:image-20220524104033-15.png]]
1674 1674  
1675 -(% 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:
1676 1676  
1677 -[[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]]
1678 1678  
1679 -(((
1680 -(((
1681 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1682 -)))
1683 -)))
1684 1684  
1685 -(((
1686 -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.
1687 -)))
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]]
1688 1688  
1689 -(((
1690 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1691 -)))
1692 1692  
1693 -(((
1694 -(((
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 +
1695 1695  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1696 -)))
1697 -)))
1698 1698  
1699 -(((
1700 -(((
1701 1701  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1702 -)))
1703 -)))
1704 1704  
1705 -(((
1706 -(% 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.
1707 -)))
1708 1708  
1709 -(((
1710 -[[image:1653360231087-571.png||height="401" width="727"]]
1711 -)))
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.
1712 1712  
1713 -(((
1714 -(% 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.
1715 -)))
1516 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1716 1716  
1717 -(((
1718 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1719 -)))
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.
1720 1720  
1721 -(((
1722 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1723 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1724 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1725 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1726 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1727 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1728 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1729 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1730 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1731 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1732 -)))
1733 1733  
1734 -(((
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 +
1735 1735  As shown in below:
1736 -)))
1737 1737  
1738 -[[image:1653360498588-932.png||height="485" width="726"]]
1545 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1739 1739  
1740 -== 5.4 Can I see counting event in Serial? ==
1741 1741  
1742 -(((
1548 +
1549 +1.
1550 +11. Can I see counting event in Serial?
1551 +
1743 1743  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.
1744 -)))
1745 1745  
1746 -(((
1747 -= 6. Trouble Shooting =
1748 -)))
1749 1749  
1750 -(((
1751 -(((
1752 -== 6.1 Downlink doesn’t work, how to solve it? ==
1753 -)))
1754 -)))
1755 1755  
1756 -(((
1757 -Please see this link for how to debug:
1758 1758  
1759 -[[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/]]
1760 -)))
1557 +1. Trouble Shooting     
1558 +11. Downlink doesn’t work, how to solve it?
1761 1761  
1762 -(((
1560 +Please see this link for how to debug:
1561 +
1763 1763  [[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]]
1764 -)))
1765 1765  
1766 -(((
1767 -== 6.2 Have trouble to upload image. ==
1768 -)))
1769 1769  
1770 -(((
1565 +1.
1566 +11. Have trouble to upload image.
1567 +
1771 1771  See this link for trouble shooting:
1772 -)))
1773 1773  
1774 -(((
1775 1775  [[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]]
1776 -)))
1777 1777  
1778 -(((
1779 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1780 -)))
1781 1781  
1782 -(((
1573 +1.
1574 +11. Why I can’t join TTN in US915 /AU915 bands?
1575 +
1783 1783  It might be about the channels mapping. Please see this link for detail:
1784 -)))
1785 1785  
1786 -(((
1787 1787  [[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]]
1788 -)))
1789 1789  
1790 -(((
1791 -= 7. Order Info =
1792 -)))
1793 1793  
1794 -(((
1795 -(((
1796 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1797 -)))
1798 -)))
1799 1799  
1800 -(((
1801 -(((
1802 -(% style="color:#4f81bd" %)**XXX:**
1803 -)))
1804 -)))
1805 1805  
1806 -(((
1807 -* (((
1808 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1809 -)))
1810 -)))
1583 +1. Order Info
1811 1811  
1812 -(((
1813 -* (((
1814 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1815 -)))
1816 -)))
1585 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1817 1817  
1818 -(((
1819 -* (((
1820 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1821 -)))
1822 -)))
1587 +**XXX:**
1823 1823  
1824 -(((
1825 -* (((
1826 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1827 -)))
1828 -)))
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
1829 1829  
1830 -(((
1831 -* (((
1832 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1833 -)))
1834 -)))
1599 +1. Packing Info
1835 1835  
1836 -(((
1837 -* (((
1838 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1839 -)))
1840 -)))
1841 -
1842 -(((
1843 -* (((
1844 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1845 -)))
1846 -)))
1847 -
1848 -(((
1849 -* (((
1850 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1851 -)))
1852 -)))
1853 -
1854 -(((
1855 -* (((
1856 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1857 -)))
1858 -
1859 -= 8. Packing Info =
1860 -)))
1861 -
1862 -(((
1863 -(((
1864 1864  **Package Includes**:
1865 -)))
1866 -)))
1867 1867  
1868 -(((
1869 -(((
1870 -* LT-22222-L I/O Controller x 1
1603 +* LT I/O Controller x 1
1871 1871  * Stick Antenna for LoRa RF part x 1
1872 1872  * Bracket for controller x1
1873 1873  * Program cable x 1
1874 -)))
1875 -)))
1876 1876  
1877 -(((
1878 -(((
1879 1879  **Dimension and weight**:
1880 -)))
1881 -)))
1882 1882  
1883 -(((
1884 -(((
1885 1885  * Device Size: 13.5 x 7 x 3 cm
1886 1886  * Device Weight: 105g
1887 1887  * Package Size / pcs : 14.5 x 8 x 5 cm
1888 1888  * Weight / pcs : 170g
1889 -)))
1890 -)))
1891 1891  
1892 -(((
1893 -= 9. Support =
1894 -)))
1615 +1. Support
1895 1895  
1896 -* (((
1897 -(((
1898 -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.
1899 -)))
1900 -)))
1901 -* (((
1902 -(((
1903 -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
1904 -)))
1905 -)))
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
1906 1906  
1907 -(((
1908 -(((
1909 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1910 -)))
1911 -
1912 -(((
1913 -= 10. Reference​​​​​ =
1914 -
1915 -* Product Page:
1916 -
1917 -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]]
1918 -
1919 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1920 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1921 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1922 -)))
1923 -)))
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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