Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 114.1 >
edited by Xiaoling
on 2023/04/25 17:33
To version < 122.6 >
edited by Xiaoling
on 2023/06/08 17:16
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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  (((
... ... @@ -189,6 +189,8 @@
189 189  
190 190  * Counting
191 191  
192 +
193 +
192 192  == 1.4  Applications ==
193 193  
194 194  
... ... @@ -281,7 +281,7 @@
281 281  Each LT is shipped with a sticker with the default device EUI as below:
282 282  )))
283 283  
284 -[[image:1653297924498-393.png]]
286 +[[image:image-20230425173427-2.png||height="246" width="530"]]
285 285  
286 286  
287 287  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -312,10 +312,15 @@
312 312  There are five working modes + one interrupt mode on LT for different type application:
313 313  
314 314  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
317 +
315 315  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
319 +
316 316  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
321 +
317 317  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
323 +
318 318  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
325 +
319 319  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
320 320  
321 321  
... ... @@ -324,18 +324,33 @@
324 324  
325 325  
326 326  (((
327 -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
328 328  )))
329 329  
330 -[[image:image-20220523174024-3.png]]
331 -
332 332  (((
333 333  
334 334  
335 335  (% 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
336 336  )))
337 337  
338 -[[image:image-20220523174254-4.png]]
339 339  
340 340  * RO is for relay. ROx=1 : close，ROx=0 always open.
341 341  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -376,8 +376,6 @@
376 376  ** DO1 is high in case there is load between DO1 and V+.
377 377  ** DO1 LED is off in both case
378 378  
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 +506,22 @@
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.
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
509 509  )))
510 510  
511 -[[image:image-20220523181903-8.png]]
512 512  
513 -
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
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
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]]
616 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
617 +|(% 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**
618 +|Value|(((
619 +AVI1
620 +voltage
621 +)))|(((
622 +AVI2
623 +voltage
624 +)))|(((
625 +ACI1
626 +Current
627 +)))|COUNT1|DIDORO*|(((
628 +Reserve
629 +)))|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
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
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]]
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 +)))
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]]
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 +)))
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]]
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 +)))
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]]
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
732 732  
733 733  * Each bits shows which status has been trigger on this uplink.
734 734  
... ... @@ -774,8 +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 -
779 779  === 3.4.1 Common Commands ===
780 780  
781 781  
... ... @@ -1018,9 +1018,14 @@
1018 1018  
1019 1019  (((
1020 1020  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
1021 1021  )))
1022 1022  
1023 -[[image:image-20220524092754-5.png]]
1024 1024  
1025 1025  (((
1026 1026  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1058,24 +1058,31 @@
1058 1058  
1059 1059  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1060 1060  
1061 -[[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
1062 1062  
1063 -
1064 1064  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1065 1065  
1066 -[[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
1067 1067  
1068 -
1069 1069  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1070 1070  
1071 -[[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
1072 1072  
1212 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1073 1073  
1074 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1075 1075  
1076 - Latching time. Unit: ms
1077 -
1078 -
1079 1079  (% style="color:red" %)**Note: **
1080 1080  
1081 1081   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1125,10 +1125,21 @@
1125 1125  
1126 1126  (((
1127 1127  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
1128 1128  )))
1129 1129  
1130 1130  (((
1131 -[[image:image-20220524093724-9.png]]
1278 +
1132 1132  )))
1133 1133  
1134 1134  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1392,7 +1392,7 @@
1392 1392  
1393 1393  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1394 1394  
1395 -(% 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" %)
1396 1396  
1397 1397  Search under The things network
1398 1398  
... ... @@ -1577,7 +1577,6 @@
1577 1577  
1578 1578  **Black:  GND**
1579 1579  
1580 -
1581 1581  **Connection diagram:**
1582 1582  
1583 1583  [[image:1653357640609-758.png]]
... ... @@ -1585,6 +1585,22 @@
1585 1585  [[image:1653357648330-671.png||height="155" width="733"]]
1586 1586  
1587 1587  
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 +
1588 1588  === 3.6.5 Relay Output ===
1589 1589  
1590 1590  
... ... @@ -1603,9 +1603,41 @@
1603 1603  == 3.7 LEDs Indicators ==
1604 1604  
1605 1605  
1606 -[[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 +)))
1607 1607  
1779 +(((
1780 +Successful join network: TX ON for 5 seconds.
1781 +)))
1608 1608  
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 +
1609 1609  = 4. Use AT Command =
1610 1610  
1611 1611  == 4.1 Access AT Command ==
... ... @@ -2091,14 +2091,20 @@
2091 2091  [[image:1653360498588-932.png||height="485" width="726"]]
2092 2092  
2093 2093  
2094 -== 6.4 Can I see counting event in Serial? ==
2288 +== 6.4 How to change the uplink interval？ ==
2095 2095  
2096 2096  
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 +
2097 2097  (((
2098 2098  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.
2099 2099  
2100 2100  
2101 -== 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? ==
2102 2102  
2103 2103  
2104 2104  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]].
... ... @@ -2107,7 +2107,7 @@
2107 2107  )))
2108 2108  
2109 2109  (((
2110 -== 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? ==
2111 2111  
2112 2112  
2113 2113  If the device is not shut down, but directly powered off.
... ... @@ -2119,7 +2119,7 @@
2119 2119  After restart, the status before power failure will be read from flash.
2120 2120  
2121 2121  
2122 -== 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? ==
2123 2123  
2124 2124  
2125 2125  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2128,7 +2128,7 @@
2128 2128  [[image:image-20221006170630-1.png||height="610" width="945"]]
2129 2129  
2130 2130  
2131 -== 6.8 Can LT22222-L save RO state? ==
2331 +== 6.9 Can LT22222-L save RO state? ==
2132 2132  
2133 2133  
2134 2134  Firmware version needs to be no less than 1.6.0.
... ... @@ -2191,8 +2191,6 @@
2191 2191  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2192 2192  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2193 2193  
2194 -
2195 -
2196 2196  = 9. Packing Info =
2197 2197  
2198 2198  
... ... @@ -2210,8 +2210,6 @@
2210 2210  * Package Size / pcs : 14.5 x 8 x 5 cm
2211 2211  * Weight / pcs : 170g
2212 2212  
2213 -
2214 -
2215 2215  = 10. Support =
2216 2216  
2217 2217  
... ... @@ -2219,7 +2219,7 @@
2219 2219  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.
2220 2220  )))
2221 2221  * (((
2222 -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]]
2223 2223  
2224 2224  
2225 2225  
... ... @@ -2231,5 +2231,3 @@
2231 2231  * 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]]
2232 2232  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2233 2233  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2234 -
2235 -
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