Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 117.1 >
edited by Bei Jinggeng
on 2023/04/26 16:20
To version < 122.5 >
edited by Xiaoling
on 2023/06/08 17:15
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -190,6 +190,7 @@
190 190  * Counting
191 191  
192 192  
193 +
193 193  == 1.4  Applications ==
194 194  
195 195  
... ... @@ -206,6 +206,7 @@
206 206  * Smart Factory
207 207  
208 208  
210 +
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
... ... @@ -224,6 +224,7 @@
224 224  )))
225 225  
226 226  
229 +
227 227  = 2. Power ON Device =
228 228  
229 229  
... ... @@ -280,7 +280,7 @@
280 280  Each LT is shipped with a sticker with the default device EUI as below:
281 281  )))
282 282  
283 -[[image:image-20230425173427-2.png]]
286 +[[image:image-20230425173427-2.png||height="246" width="530"]]
284 284  
285 285  
286 286  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -311,28 +311,50 @@
311 311  There are five working modes + one interrupt mode on LT for different type application:
312 312  
313 313  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
317 +
314 314  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
319 +
315 315  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
321 +
316 316  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
323 +
317 317  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
325 +
318 318  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
319 319  
328 +
329 +
320 320  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
321 321  
322 322  
323 323  (((
324 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
334 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
335 +
336 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
337 +|(% 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**
338 +|Value|(((
339 +AVI1 voltage
340 +)))|(((
341 +AVI2 voltage
342 +)))|(((
343 +ACI1 Current
344 +)))|(((
345 +ACI2 Current
346 +)))|DIDORO*|(((
347 +Reserve
348 +)))|MOD
325 325  )))
326 326  
327 -[[image:image-20220523174024-3.png]]
328 -
329 329  (((
330 330  
331 331  
332 332  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
355 +
356 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
357 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
358 +|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
333 333  )))
334 334  
335 -[[image:image-20220523174254-4.png]]
336 336  
337 337  * RO is for relay. ROx=1 : close，ROx=0 always open.
338 338  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -382,18 +382,26 @@
382 382  
383 383  (((
384 384  Total : 11 bytes payload
410 +
411 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
412 +|(% 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**
413 +|Value|COUNT1|COUNT2 |DIDORO*|(((
414 +Reserve
415 +)))|MOD
385 385  )))
386 386  
387 -[[image:image-20220523180452-3.png]]
388 -
389 -
390 390  (((
419 +
420 +
391 391  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
392 -)))
393 393  
394 -[[image:image-20220523180506-4.png]]
423 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
424 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
425 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
395 395  
396 -* RO is for relay. ROx=1 : close，ROx=0 always open.
427 +RO is for relay. ROx=1 : close，ROx=0 always open.
428 +)))
429 +
397 397  * FIRST: Indicate this is the first packet after join network.
398 398  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
399 399  
... ... @@ -451,15 +451,24 @@
451 451  
452 452  **LT22222-L**: This mode the DI1 is used as a counting pin.
453 453  
454 -[[image:image-20220523181246-5.png]]
487 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
488 +|(% 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**
489 +|Value|COUNT1|(((
490 +ACI1 Current
491 +)))|(((
492 +ACI2 Current
493 +)))|DIDORO*|Reserve|MOD
455 455  
456 456  (((
457 457  
458 458  
459 459  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
499 +
500 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
501 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
502 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
460 460  )))
461 461  
462 -[[image:image-20220523181301-6.png]]
463 463  
464 464  * RO is for relay. ROx=1 : close，ROx=0 always open.
465 465  * FIRST: Indicate this is the first packet after join network.
... ... @@ -501,16 +501,22 @@
501 501  
502 502  (((
503 503  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.
546 +
547 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
548 +|(% 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**
549 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
550 +Reserve)))|MOD
504 504  )))
505 505  
506 -[[image:image-20220523181903-8.png]]
507 507  
508 -
509 509  (((
510 510  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
556 +
557 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
558 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
559 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
511 511  )))
512 512  
513 -[[image:image-20220523181727-7.png]]
514 514  
515 515  * RO is for relay. ROx=1 : close，ROx=0 always open.
516 516  * FIRST: Indicate this is the first packet after join network.
... ... @@ -565,12 +565,29 @@
565 565  
566 566  **LT22222-L**: This mode the DI1 is used as a counting pin.
567 567  
568 -[[image:image-20220523182334-9.png]]
616 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
617 +|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
618 +|Value|(((
619 +AVI1
620 +voltage
621 +)))|(((
622 +AVI2
623 +voltage
624 +)))|(((
625 +ACI1
626 +Current
627 +)))|COUNT1|DIDORO*|(((
628 +Reserve
629 +)))|MOD
569 569  
570 570  (((
571 571  
572 572  
573 573  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
635 +
636 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
637 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
638 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
574 574  )))
575 575  
576 576  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -695,12 +695,51 @@
695 695  
696 696  MOD6 Payload : total 11 bytes payload
697 697  
698 -[[image:image-20220524085923-1.png]]
763 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
764 +|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
765 +|Value|(((
766 +TRI_A
767 +FLAG
768 +)))|(((
769 +TRI_A
770 +Status
771 +)))|(((
772 +TRI_DI
773 +FLAG+STA
774 +)))|Reserve|Enable/Disable MOD6|(((
775 +MOD
776 +(6)
777 +)))
699 699  
700 -
701 701  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
702 702  
703 -[[image:image-20220524090106-2.png]]
781 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
782 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
783 +|(((
784 +AV1_
785 +LOW
786 +)))|(((
787 +AV1_
788 +HIGH
789 +)))|(((
790 +AV2_
791 +LOW
792 +)))|(((
793 +AV2_
794 +HIGH
795 +)))|(((
796 +AC1_
797 +LOW
798 +)))|(((
799 +AC1_
800 +HIGH
801 +)))|(((
802 +AC2_
803 +LOW
804 +)))|(((
805 +AC2_
806 +HIGH
807 +)))
704 704  
705 705  * Each bits shows if the corresponding trigger has been configured.
706 706  
... ... @@ -709,10 +709,35 @@
709 709  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
710 710  
711 711  
712 -
713 713  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
714 714  
715 -[[image:image-20220524090249-3.png]]
818 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
819 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
820 +|(((
821 +AV1_
822 +LOW
823 +)))|(((
824 +AV1_
825 +HIGH
826 +)))|(((
827 +AV2_
828 +LOW
829 +)))|(((
830 +AV2_
831 +HIGH
832 +)))|(((
833 +AC1_
834 +LOW
835 +)))|(((
836 +AC1_
837 +HIGH
838 +)))|(((
839 +AC2_
840 +LOW
841 +)))|(((
842 +AC2_
843 +HIGH
844 +)))
716 716  
717 717  * Each bits shows which status has been trigger on this uplink.
718 718  
... ... @@ -723,7 +723,9 @@
723 723  
724 724  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
725 725  
726 -[[image:image-20220524090456-4.png]]
855 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
856 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
857 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
727 727  
728 728  * Each bits shows which status has been trigger on this uplink.
729 729  
... ... @@ -1011,9 +1011,14 @@
1011 1011  
1012 1012  (((
1013 1013  01: Low,  00: High ,  11: No action
1145 +
1146 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1147 +|(% 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**
1148 +|02  01  00  11|Low|High|No Action
1149 +|02  00  11  01|High|No Action|Low
1150 +|02  11  01  00|No Action|Low|High
1014 1014  )))
1015 1015  
1016 -[[image:image-20220524092754-5.png]]
1017 1017  
1018 1018  (((
1019 1019  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1051,24 +1051,31 @@
1051 1051  
1052 1052  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1053 1053  
1054 -[[image:image-20220524093238-6.png]]
1190 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1191 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1192 +|0x01|DO1 set to low
1193 +|0x00|DO1 set to high
1194 +|0x11|DO1 NO Action
1055 1055  
1056 -
1057 1057  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1058 1058  
1059 -[[image:image-20220524093328-7.png]]
1198 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1199 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1200 +|0x01|DO2 set to low
1201 +|0x00|DO2 set to high
1202 +|0x11|DO2 NO Action
1060 1060  
1061 -
1062 1062  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1063 1063  
1064 -[[image:image-20220524093351-8.png]]
1206 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1207 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1208 +|0x01|DO3 set to low
1209 +|0x00|DO3 set to high
1210 +|0x11|DO3 NO Action
1065 1065  
1212 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1066 1066  
1067 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1068 1068  
1069 - Latching time. Unit: ms
1070 -
1071 -
1072 1072  (% style="color:red" %)**Note: **
1073 1073  
1074 1074   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1118,10 +1118,21 @@
1118 1118  
1119 1119  (((
1120 1120  01: Close ,  00: Open , 11: No action
1264 +
1265 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1266 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1267 +|03  00  11|Open|No Action
1268 +|03  01  11|Close|No Action
1269 +|03  11  00|No Action|Open
1270 +|03  11  01|No Action|Close
1271 +|03  00  00|Open|Open
1272 +|03  01  01|Close|Close
1273 +|03  01  00|Close|Open
1274 +|03  00  01|Open|Close
1121 1121  )))
1122 1122  
1123 1123  (((
1124 -[[image:image-20230426161322-1.png]]
1278 +
1125 1125  )))
1126 1126  
1127 1127  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1385,7 +1385,7 @@
1385 1385  
1386 1386  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1387 1387  
1388 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1542 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1389 1389  
1390 1390  Search under The things network
1391 1391  
... ... @@ -1570,7 +1570,6 @@
1570 1570  
1571 1571  **Black:  GND**
1572 1572  
1573 -
1574 1574  **Connection diagram:**
1575 1575  
1576 1576  [[image:1653357640609-758.png]]
... ... @@ -1578,6 +1578,22 @@
1578 1578  [[image:1653357648330-671.png||height="155" width="733"]]
1579 1579  
1580 1580  
1734 +Example connected to a regulated power supply to measure voltage
1735 +
1736 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1737 +
1738 +[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1739 +
1740 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1741 +
1742 +
1743 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1744 +
1745 +(% style="color:red" %)**Red:  12~~24v**
1746 +
1747 +**Black:  GND**
1748 +
1749 +
1581 1581  === 3.6.5 Relay Output ===
1582 1582  
1583 1583  
... ... @@ -1596,9 +1596,41 @@
1596 1596  == 3.7 LEDs Indicators ==
1597 1597  
1598 1598  
1599 -[[image:image-20220524100748-11.png]]
1768 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1769 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1770 +|**PWR**|Always on if there is power
1771 +|**SYS**|(((
1772 +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.
1773 +)))
1774 +|**TX**|(((
1775 +(((
1776 +Device boot: TX blinks 5 times.
1777 +)))
1600 1600  
1779 +(((
1780 +Successful join network: TX ON for 5 seconds.
1781 +)))
1601 1601  
1783 +(((
1784 +Transmit a LoRa packet: TX blinks once
1785 +)))
1786 +)))
1787 +|**RX**|RX blinks once when receive a packet.
1788 +|**DO1**|
1789 +|**DO2**|
1790 +|**DO3**|
1791 +|**DI2**|(((
1792 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1793 +)))
1794 +|**DI2**|(((
1795 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1796 +)))
1797 +|**DI2**|(((
1798 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1799 +)))
1800 +|**RO1**|
1801 +|**RO2**|
1802 +
1602 1602  = 4. Use AT Command =
1603 1603  
1604 1604  == 4.1 Access AT Command ==
... ... @@ -2084,14 +2084,20 @@
2084 2084  [[image:1653360498588-932.png||height="485" width="726"]]
2085 2085  
2086 2086  
2087 -== 6.4 Can I see counting event in Serial? ==
2288 +== 6.4 How to change the uplink interval？ ==
2088 2088  
2089 2089  
2291 +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/]]
2292 +
2293 +
2294 +== 6.5 Can I see counting event in Serial? ==
2295 +
2296 +
2090 2090  (((
2091 2091  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.
2092 2092  
2093 2093  
2094 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2301 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2095 2095  
2096 2096  
2097 2097  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2100,7 +2100,7 @@
2100 2100  )))
2101 2101  
2102 2102  (((
2103 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2310 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2104 2104  
2105 2105  
2106 2106  If the device is not shut down, but directly powered off.
... ... @@ -2112,7 +2112,7 @@
2112 2112  After restart, the status before power failure will be read from flash.
2113 2113  
2114 2114  
2115 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2322 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2116 2116  
2117 2117  
2118 2118  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2121,7 +2121,7 @@
2121 2121  [[image:image-20221006170630-1.png||height="610" width="945"]]
2122 2122  
2123 2123  
2124 -== 6.8 Can LT22222-L save RO state? ==
2331 +== 6.9 Can LT22222-L save RO state? ==
2125 2125  
2126 2126  
2127 2127  Firmware version needs to be no less than 1.6.0.
... ... @@ -2184,7 +2184,6 @@
2184 2184  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 2185  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2186 2186  
2187 -
2188 2188  = 9. Packing Info =
2189 2189  
2190 2190  
... ... @@ -2202,7 +2202,6 @@
2202 2202  * Package Size / pcs : 14.5 x 8 x 5 cm
2203 2203  * Weight / pcs : 170g
2204 2204  
2205 -
2206 2206  = 10. Support =
2207 2207  
2208 2208  
... ... @@ -2210,7 +2210,7 @@
2210 2210  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.
2211 2211  )))
2212 2212  * (((
2213 -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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2418 +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 [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2214 2214  
2215 2215  
2216 2216  
... ... @@ -2222,4 +2222,3 @@
2222 2222  * 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]]
2223 2223  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2224 2224  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2225 -
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