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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 133.1
edited by Edwin Chen
on 2024/05/08 22:27
Change comment: There is no comment for this version
To version 126.20
edited by Xiaoling
on 2023/06/19 16:20
Change comment: There is no comment for this version

Summary

Details

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Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -57,31 +57,64 @@
57 57  
58 58  )))
59 59  
60 -== 1.2 Specifications ==
56 +== 1.2  Specifications ==
61 61  
58 +(((
59 +
60 +
62 62  (% style="color:#037691" %)**Hardware System:**
62 +)))
63 63  
64 -* STM32L072xxxx MCU
65 -* SX1276/78 Wireless Chip 
66 -* Power Consumption:
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
67 67  
68 -* Idle: 4mA@12v
69 -* 20dB Transmit: [[34mA@12v>>mailto:34mA@12v]]
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
70 70  
83 +(((
84 +
71 71  
72 72  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
73 73  
74 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
75 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
76 -* 2 x Relay Output (5A@250VAC / 30VDC)
77 -* 2 x 0~~20mA Analog Input (res:0.01mA)
78 -* 2 x 0~~30V Analog Input (res:0.01v)
79 -* Power Input 7~~ 24V DC. 
89 +* (((
90 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 +)))
92 +* (((
93 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 +)))
95 +* (((
96 +2 x Relay Output (5A@250VAC / 30VDC)
97 +)))
98 +* (((
99 +2 x 0~~20mA Analog Input (res:0.01mA)
100 +)))
101 +* (((
102 +2 x 0~~30V Analog Input (res:0.01v)
103 +)))
104 +* (((
105 +Power Input 7~~ 24V DC. 
106 +)))
80 80  
108 +(((
109 +
81 81  
82 82  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
83 83  
84 -
85 85  * (((
86 86  (((
87 87  Frequency Range:
... ... @@ -160,7 +160,7 @@
160 160  
161 161  * Counting
162 162  
163 -== 1.4 Applications ==
192 +== 1.4  Applications ==
164 164  
165 165  
166 166  * Smart Buildings & Home Automation
... ... @@ -175,11 +175,12 @@
175 175  
176 176  * Smart Factory
177 177  
207 +
178 178  == 1.5 Hardware Variants ==
179 179  
180 180  
181 181  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
182 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
212 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
183 183  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
184 184  (% style="text-align:center" %)
185 185  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -263,6 +263,7 @@
263 263  [[image:1653298023685-319.png]]
264 264  
265 265  
296 +
266 266  (((
267 267  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
268 268  
... ... @@ -296,7 +296,7 @@
296 296  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
297 297  
298 298  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
299 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
330 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
300 300  |Value|(((
301 301  AVI1 voltage
302 302  )))|(((
... ... @@ -318,7 +318,7 @@
318 318  |RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
319 319  )))
320 320  
321 -* RO is for relay. ROx=1 : close, ROx=0 always open.
352 +* RO is for relay. ROx=1 : close，ROx=0 always open.
322 322  * DI is for digital input. DIx=1: high or float, DIx=0: low.
323 323  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
324 324  
... ... @@ -329,7 +329,7 @@
329 329  
330 330  **The value for the interface is:  **
331 331  
332 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
363 +AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
333 333  
334 334  AVI2 channel voltage is 0x04AC/1000=1.196V
335 335  
... ... @@ -357,6 +357,7 @@
357 357  ** DO1 is high in case there is load between DO1 and V+.
358 358  ** DO1 LED is off in both case
359 359  
391 +
360 360  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
361 361  
362 362  
... ... @@ -368,7 +368,7 @@
368 368  Total : 11 bytes payload
369 369  
370 370  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
371 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
403 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
372 372  |Value|COUNT1|COUNT2 |DIDORO*|(((
373 373  Reserve
374 374  )))|MOD
... ... @@ -381,7 +381,7 @@
381 381  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
382 382  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
383 383  
384 -RO is for relay. ROx=1 : close , ROx=0 always open.
416 +RO is for relay. ROx=1 : close，ROx=0 always open.
385 385  )))
386 386  
387 387  * FIRST: Indicate this is the first packet after join network.
... ... @@ -389,8 +389,6 @@
389 389  
390 390  (((
391 391  (% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
392 -
393 -
394 394  )))
395 395  
396 396  (((
... ... @@ -397,6 +397,7 @@
397 397  **To use counting mode, please run:**
398 398  )))
399 399  
430 +
400 400  (((
401 401  (% class="box infomessage" %)
402 402  (((
... ... @@ -435,7 +435,7 @@
435 435  **LT22222-L**: This mode the DI1 is used as a counting pin.
436 436  
437 437  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
438 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
469 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
439 439  |Value|COUNT1|(((
440 440  ACI1 Current
441 441  )))|(((
... ... @@ -450,7 +450,7 @@
450 450  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
451 451  )))
452 452  
453 -* RO is for relay. ROx=1 : close, ROx=0 always open.
484 +* RO is for relay. ROx=1 : close，ROx=0 always open.
454 454  * FIRST: Indicate this is the first packet after join network.
455 455  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
456 456  
... ... @@ -488,7 +488,7 @@
488 488  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
489 489  
490 490  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
491 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
522 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
492 492  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
493 493  Reserve
494 494  )))|MOD
... ... @@ -502,7 +502,7 @@
502 502  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
503 503  )))
504 504  
505 -* RO is for relay. ROx=1 : close, ROx=0 always open.
536 +* RO is for relay. ROx=1 : close，ROx=0 always open.
506 506  * FIRST: Indicate this is the first packet after join network.
507 507  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
508 508  
... ... @@ -548,7 +548,7 @@
548 548  **LT22222-L**: This mode the DI1 is used as a counting pin.
549 549  
550 550  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
551 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
582 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
552 552  |Value|(((
553 553  AVI1 voltage
554 554  )))|(((
... ... @@ -567,7 +567,7 @@
567 567  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
568 568  )))
569 569  
570 -* RO is for relay. ROx=1 : close, ROx=0 always open.
601 +* RO is for relay. ROx=1 : close，ROx=0 always open.
571 571  * FIRST: Indicate this is the first packet after join network.
572 572  * (((
573 573  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -610,6 +610,7 @@
610 610  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
611 611  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
612 612  
644 +
613 613  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
614 614  
615 615  
... ... @@ -684,7 +684,7 @@
684 684  MOD6 Payload : total 11 bytes payload
685 685  
686 686  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
687 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
719 +|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
688 688  |Value|(((
689 689  TRI_A FLAG
690 690  )))|(((
... ... @@ -1012,7 +1012,7 @@
1012 1012  01: Low,  00: High ,  11: No action
1013 1013  
1014 1014  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1015 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1047 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1016 1016  |02  01  00  11|Low|High|No Action
1017 1017  |02  00  11  01|High|No Action|Low
1018 1018  |02  11  01  00|No Action|Low|High
... ... @@ -1055,7 +1055,7 @@
1055 1055  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1056 1056  
1057 1057  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1058 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1090 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1059 1059  |0x01|DO1 set to low
1060 1060  |0x00|DO1 set to high
1061 1061  |0x11|DO1 NO Action
... ... @@ -1063,7 +1063,7 @@
1063 1063  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1064 1064  
1065 1065  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1066 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1098 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1067 1067  |0x01|DO2 set to low
1068 1068  |0x00|DO2 set to high
1069 1069  |0x11|DO2 NO Action
... ... @@ -1071,7 +1071,7 @@
1071 1071  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1072 1072  
1073 1073  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1074 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1106 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1075 1075  |0x01|DO3 set to low
1076 1076  |0x00|DO3 set to high
1077 1077  |0x11|DO3 NO Action
... ... @@ -1108,7 +1108,7 @@
1108 1108  
1109 1109  
1110 1110  
1111 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1143 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1112 1112  
1113 1113  
1114 1114  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1126,10 +1126,10 @@
1126 1126  )))
1127 1127  
1128 1128  (((
1129 -00: Close ,  01: Open , 11: No action
1161 +01: Close ,  00: Open , 11: No action
1130 1130  
1131 1131  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1132 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1164 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1133 1133  |03  00  11|Open|No Action
1134 1134  |03  01  11|Close|No Action
1135 1135  |03  11  00|No Action|Open
... ... @@ -1400,6 +1400,7 @@
1400 1400  [[image:1653356838789-523.png||height="337" width="740"]]
1401 1401  
1402 1402  
1435 +
1403 1403  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1404 1404  
1405 1405  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1552,11 +1552,8 @@
1552 1552  
1553 1553  [[image:image-20230616235145-1.png]]
1554 1554  
1555 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1556 1556  
1557 -[[image:image-20240219115718-1.png]]
1558 1558  
1559 -
1560 1560  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1561 1561  
1562 1562  
... ... @@ -1631,8 +1631,8 @@
1631 1631  == 3.7 LEDs Indicators ==
1632 1632  
1633 1633  
1634 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1635 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1664 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1665 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1636 1636  |**PWR**|Always on if there is power
1637 1637  |**SYS**|(((
1638 1638  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.
... ... @@ -1675,6 +1675,10 @@
1675 1675  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.
1676 1676  )))
1677 1677  
1708 +(((
1709 +
1710 +)))
1711 +
1678 1678  [[image:1653358238933-385.png]]
1679 1679  
1680 1680  
... ... @@ -1993,6 +1993,7 @@
1993 1993  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1994 1994  
1995 1995  **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.**
2030 +
1996 1996  )))
1997 1997  
1998 1998  (((
... ... @@ -2061,6 +2061,7 @@
2061 2061  
2062 2062  (% 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:
2063 2063  
2099 +
2064 2064  [[image:1653360054704-518.png||height="186" width="745"]]
2065 2065  
2066 2066  
... ... @@ -2124,21 +2124,13 @@
2124 2124  
2125 2125  (((
2126 2126  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2127 -
2128 2128  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2129 -
2130 2130  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2131 -
2132 2132  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2133 -
2134 2134  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2135 -
2136 2136  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2137 -
2138 2138  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2139 -
2140 2140  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2141 -
2142 2142  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2143 2143  )))
2144 2144  
... ... @@ -2150,7 +2150,7 @@
2150 2150  [[image:1653360498588-932.png||height="485" width="726"]]
2151 2151  
2152 2152  
2153 -== 6.4 How to change the uplink interval? ==
2181 +== 6.4 How to change the uplink interval？ ==
2154 2154  
2155 2155  
2156 2156  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
... ... @@ -2199,12 +2199,6 @@
2199 2199  Firmware version needs to be no less than 1.6.0.
2200 2200  
2201 2201  
2202 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2203 -
2204 -
2205 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2206 -
2207 -
2208 2208  = 7. Trouble Shooting =
2209 2209  )))
2210 2210  
... ... @@ -2245,13 +2245,6 @@
2245 2245  )))
2246 2246  
2247 2247  
2248 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2249 -
2250 -
2251 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2252 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2253 -
2254 -
2255 2255  = 8. Order Info =
2256 2256  
2257 2257  
... ... @@ -2305,3 +2305,5 @@
2305 2305  * 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]]
2306 2306  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2307 2307  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2323 +
2324 +
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