Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 116.1 >
edited by Bei Jinggeng
on 2023/04/26 16:13
To version < 122.4 >
edited by Xiaoling
on 2023/06/08 17:14
>
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  (((
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png]]
286 +[[image:image-20230425173427-2.png||height="246" width="530"]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -314,29 +314,50 @@
314 314  There are five working modes + one interrupt mode on LT for different type application:
315 315  
316 316  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
317 +
317 317  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
319 +
318 318  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
321 +
319 319  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
323 +
320 320  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
325 +
321 321  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
322 322  
323 323  
329 +
324 324  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
325 325  
326 326  
327 327  (((
328 -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
329 329  )))
330 330  
331 -[[image:image-20220523174024-3.png]]
332 -
333 333  (((
334 334  
335 335  
336 336  (% 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
337 337  )))
338 338  
339 -[[image:image-20220523174254-4.png]]
340 340  
341 341  * RO is for relay. ROx=1 : close，ROx=0 always open.
342 342  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -377,7 +377,6 @@
377 377  ** DO1 is high in case there is load between DO1 and V+.
378 378  ** DO1 LED is off in both case
379 379  
380 -
381 381  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
382 382  
383 383  
... ... @@ -387,18 +387,26 @@
387 387  
388 388  (((
389 389  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
390 390  )))
391 391  
392 -[[image:image-20220523180452-3.png]]
393 -
394 -
395 395  (((
419 +
420 +
396 396  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
397 -)))
398 398  
399 -[[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
400 400  
401 -* 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 +
402 402  * FIRST: Indicate this is the first packet after join network.
403 403  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
404 404  
... ... @@ -456,15 +456,24 @@
456 456  
457 457  **LT22222-L**: This mode the DI1 is used as a counting pin.
458 458  
459 -[[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
460 460  
461 461  (((
462 462  
463 463  
464 464  (% 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
465 465  )))
466 466  
467 -[[image:image-20220523181301-6.png]]
468 468  
469 469  * RO is for relay. ROx=1 : close，ROx=0 always open.
470 470  * FIRST: Indicate this is the first packet after join network.
... ... @@ -506,16 +506,25 @@
506 506  
507 507  (((
508 508  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.
509 -)))
510 510  
511 -[[image:image-20220523181903-8.png]]
547 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
548 +|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
549 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
550 +Reserve
512 512  
552 +
553 +)))|MOD
554 +)))
513 513  
556 +
514 514  (((
515 515  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
559 +
560 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
561 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
562 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
516 516  )))
517 517  
518 -[[image:image-20220523181727-7.png]]
519 519  
520 520  * RO is for relay. ROx=1 : close，ROx=0 always open.
521 521  * FIRST: Indicate this is the first packet after join network.
... ... @@ -570,12 +570,29 @@
570 570  
571 571  **LT22222-L**: This mode the DI1 is used as a counting pin.
572 572  
573 -[[image:image-20220523182334-9.png]]
619 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
620 +|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
621 +|Value|(((
622 +AVI1
623 +voltage
624 +)))|(((
625 +AVI2
626 +voltage
627 +)))|(((
628 +ACI1
629 +Current
630 +)))|COUNT1|DIDORO*|(((
631 +Reserve
632 +)))|MOD
574 574  
575 575  (((
576 576  
577 577  
578 578  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
638 +
639 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
640 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
641 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
579 579  )))
580 580  
581 581  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -700,12 +700,51 @@
700 700  
701 701  MOD6 Payload : total 11 bytes payload
702 702  
703 -[[image:image-20220524085923-1.png]]
766 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
767 +|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
768 +|Value|(((
769 +TRI_A
770 +FLAG
771 +)))|(((
772 +TRI_A
773 +Status
774 +)))|(((
775 +TRI_DI
776 +FLAG+STA
777 +)))|Reserve|Enable/Disable MOD6|(((
778 +MOD
779 +(6)
780 +)))
704 704  
705 -
706 706  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
707 707  
708 -[[image:image-20220524090106-2.png]]
784 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
785 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
786 +|(((
787 +AV1_
788 +LOW
789 +)))|(((
790 +AV1_
791 +HIGH
792 +)))|(((
793 +AV2_
794 +LOW
795 +)))|(((
796 +AV2_
797 +HIGH
798 +)))|(((
799 +AC1_
800 +LOW
801 +)))|(((
802 +AC1_
803 +HIGH
804 +)))|(((
805 +AC2_
806 +LOW
807 +)))|(((
808 +AC2_
809 +HIGH
810 +)))
709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
... ... @@ -714,10 +714,35 @@
714 714  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
715 715  
716 716  
717 -
718 718  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
719 719  
720 -[[image:image-20220524090249-3.png]]
821 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
822 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
823 +|(((
824 +AV1_
825 +LOW
826 +)))|(((
827 +AV1_
828 +HIGH
829 +)))|(((
830 +AV2_
831 +LOW
832 +)))|(((
833 +AV2_
834 +HIGH
835 +)))|(((
836 +AC1_
837 +LOW
838 +)))|(((
839 +AC1_
840 +HIGH
841 +)))|(((
842 +AC2_
843 +LOW
844 +)))|(((
845 +AC2_
846 +HIGH
847 +)))
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
... ... @@ -728,7 +728,9 @@
728 728  
729 729  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
730 730  
731 -[[image:image-20220524090456-4.png]]
858 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
859 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
860 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
732 732  
733 733  * Each bits shows which status has been trigger on this uplink.
734 734  
... ... @@ -774,7 +774,6 @@
774 774  
775 775  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
776 776  
777 -
778 778  === 3.4.1 Common Commands ===
779 779  
780 780  
... ... @@ -1017,9 +1017,14 @@
1017 1017  
1018 1018  (((
1019 1019  01: Low,  00: High ,  11: No action
1148 +
1149 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1150 +|(% 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**
1151 +|02  01  00  11|Low|High|No Action
1152 +|02  00  11  01|High|No Action|Low
1153 +|02  11  01  00|No Action|Low|High
1020 1020  )))
1021 1021  
1022 -[[image:image-20220524092754-5.png]]
1023 1023  
1024 1024  (((
1025 1025  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1057,24 +1057,31 @@
1057 1057  
1058 1058  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1059 1059  
1060 -[[image:image-20220524093238-6.png]]
1193 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1194 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1195 +|0x01|DO1 set to low
1196 +|0x00|DO1 set to high
1197 +|0x11|DO1 NO Action
1061 1061  
1062 -
1063 1063  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1064 1064  
1065 -[[image:image-20220524093328-7.png]]
1201 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1202 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1203 +|0x01|DO2 set to low
1204 +|0x00|DO2 set to high
1205 +|0x11|DO2 NO Action
1066 1066  
1067 -
1068 1068  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1069 1069  
1070 -[[image:image-20220524093351-8.png]]
1209 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1210 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1211 +|0x01|DO3 set to low
1212 +|0x00|DO3 set to high
1213 +|0x11|DO3 NO Action
1071 1071  
1215 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1072 1072  
1073 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1074 1074  
1075 - Latching time. Unit: ms
1076 -
1077 -
1078 1078  (% style="color:red" %)**Note: **
1079 1079  
1080 1080   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1124,10 +1124,21 @@
1124 1124  
1125 1125  (((
1126 1126  01: Close ,  00: Open , 11: No action
1267 +
1268 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1269 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1270 +|03  00  11|Open|No Action
1271 +|03  01  11|Close|No Action
1272 +|03  11  00|No Action|Open
1273 +|03  11  01|No Action|Close
1274 +|03  00  00|Open|Open
1275 +|03  01  01|Close|Close
1276 +|03  01  00|Close|Open
1277 +|03  00  01|Open|Close
1127 1127  )))
1128 1128  
1129 1129  (((
1130 -[[image:image-20220524093724-9.png]]
1281 +
1131 1131  )))
1132 1132  
1133 1133  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1391,7 +1391,7 @@
1391 1391  
1392 1392  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1393 1393  
1394 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1545 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1395 1395  
1396 1396  Search under The things network
1397 1397  
... ... @@ -1576,7 +1576,6 @@
1576 1576  
1577 1577  **Black:  GND**
1578 1578  
1579 -
1580 1580  **Connection diagram:**
1581 1581  
1582 1582  [[image:1653357640609-758.png]]
... ... @@ -1584,6 +1584,22 @@
1584 1584  [[image:1653357648330-671.png||height="155" width="733"]]
1585 1585  
1586 1586  
1737 +Example connected to a regulated power supply to measure voltage
1738 +
1739 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1740 +
1741 +[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1742 +
1743 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1744 +
1745 +
1746 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1747 +
1748 +(% style="color:red" %)**Red:  12~~24v**
1749 +
1750 +**Black:  GND**
1751 +
1752 +
1587 1587  === 3.6.5 Relay Output ===
1588 1588  
1589 1589  
... ... @@ -1602,9 +1602,41 @@
1602 1602  == 3.7 LEDs Indicators ==
1603 1603  
1604 1604  
1605 -[[image:image-20220524100748-11.png]]
1771 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1772 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1773 +|**PWR**|Always on if there is power
1774 +|**SYS**|(((
1775 +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.
1776 +)))
1777 +|**TX**|(((
1778 +(((
1779 +Device boot: TX blinks 5 times.
1780 +)))
1606 1606  
1782 +(((
1783 +Successful join network: TX ON for 5 seconds.
1784 +)))
1607 1607  
1786 +(((
1787 +Transmit a LoRa packet: TX blinks once
1788 +)))
1789 +)))
1790 +|**RX**|RX blinks once when receive a packet.
1791 +|**DO1**|
1792 +|**DO2**|
1793 +|**DO3**|
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 +|**DI2**|(((
1801 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1802 +)))
1803 +|**RO1**|
1804 +|**RO2**|
1805 +
1608 1608  = 4. Use AT Command =
1609 1609  
1610 1610  == 4.1 Access AT Command ==
... ... @@ -2090,14 +2090,20 @@
2090 2090  [[image:1653360498588-932.png||height="485" width="726"]]
2091 2091  
2092 2092  
2093 -== 6.4 Can I see counting event in Serial? ==
2291 +== 6.4 How to change the uplink interval？ ==
2094 2094  
2095 2095  
2294 +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/]]
2295 +
2296 +
2297 +== 6.5 Can I see counting event in Serial? ==
2298 +
2299 +
2096 2096  (((
2097 2097  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.
2098 2098  
2099 2099  
2100 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2304 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2101 2101  
2102 2102  
2103 2103  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]].
... ... @@ -2106,7 +2106,7 @@
2106 2106  )))
2107 2107  
2108 2108  (((
2109 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2313 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2110 2110  
2111 2111  
2112 2112  If the device is not shut down, but directly powered off.
... ... @@ -2118,7 +2118,7 @@
2118 2118  After restart, the status before power failure will be read from flash.
2119 2119  
2120 2120  
2121 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2325 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2122 2122  
2123 2123  
2124 2124  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2127,7 +2127,7 @@
2127 2127  [[image:image-20221006170630-1.png||height="610" width="945"]]
2128 2128  
2129 2129  
2130 -== 6.8 Can LT22222-L save RO state? ==
2334 +== 6.9 Can LT22222-L save RO state? ==
2131 2131  
2132 2132  
2133 2133  Firmware version needs to be no less than 1.6.0.
... ... @@ -2190,8 +2190,6 @@
2190 2190  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2191 2191  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2192 2192  
2193 -
2194 -
2195 2195  = 9. Packing Info =
2196 2196  
2197 2197  
... ... @@ -2209,8 +2209,6 @@
2209 2209  * Package Size / pcs : 14.5 x 8 x 5 cm
2210 2210  * Weight / pcs : 170g
2211 2211  
2212 -
2213 -
2214 2214  = 10. Support =
2215 2215  
2216 2216  
... ... @@ -2218,7 +2218,7 @@
2218 2218  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.
2219 2219  )))
2220 2220  * (((
2221 -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]]
2421 +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]]
2222 2222  
2223 2223  
2224 2224  
... ... @@ -2230,5 +2230,3 @@
2230 2230  * 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]]
2231 2231  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2232 2232  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2233 -
2234 -
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