Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 117.2 >
edited by Xiaoling
on 2023/04/26 17:51
To version < 122.6 >
edited by Xiaoling
on 2023/06/08 17:16
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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:
... ... @@ -314,10 +314,15 @@
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  
... ... @@ -326,18 +326,33 @@
326 326  
327 327  
328 328  (((
329 -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
330 330  )))
331 331  
332 -[[image:image-20220523174024-3.png]]
333 -
334 334  (((
335 335  
336 336  
337 337  (% 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
338 338  )))
339 339  
340 -[[image:image-20220523174254-4.png]]
341 341  
342 342  * RO is for relay. ROx=1 : close，ROx=0 always open.
343 343  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -378,8 +378,6 @@
378 378  ** DO1 is high in case there is load between DO1 and V+.
379 379  ** DO1 LED is off in both case
380 380  
381 -
382 -
383 383  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
384 384  
385 385  
... ... @@ -389,18 +389,26 @@
389 389  
390 390  (((
391 391  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
392 392  )))
393 393  
394 -[[image:image-20220523180452-3.png]]
395 -
396 -
397 397  (((
419 +
420 +
398 398  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
399 -)))
400 400  
401 -[[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
402 402  
403 -* 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 +
404 404  * FIRST: Indicate this is the first packet after join network.
405 405  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
406 406  
... ... @@ -458,15 +458,24 @@
458 458  
459 459  **LT22222-L**: This mode the DI1 is used as a counting pin.
460 460  
461 -[[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
462 462  
463 463  (((
464 464  
465 465  
466 466  (% 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
467 467  )))
468 468  
469 -[[image:image-20220523181301-6.png]]
470 470  
471 471  * RO is for relay. ROx=1 : close，ROx=0 always open.
472 472  * FIRST: Indicate this is the first packet after join network.
... ... @@ -508,16 +508,22 @@
508 508  
509 509  (((
510 510  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
511 511  )))
512 512  
513 -[[image:image-20220523181903-8.png]]
514 514  
515 -
516 516  (((
517 517  (% 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
518 518  )))
519 519  
520 -[[image:image-20220523181727-7.png]]
521 521  
522 522  * RO is for relay. ROx=1 : close，ROx=0 always open.
523 523  * FIRST: Indicate this is the first packet after join network.
... ... @@ -572,12 +572,29 @@
572 572  
573 573  **LT22222-L**: This mode the DI1 is used as a counting pin.
574 574  
575 -[[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
576 576  
577 577  (((
578 578  
579 579  
580 580  (% 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
581 581  )))
582 582  
583 583  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -702,12 +702,51 @@
702 702  
703 703  MOD6 Payload : total 11 bytes payload
704 704  
705 -[[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 +)))
706 706  
707 -
708 708  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
709 709  
710 -[[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 +)))
711 711  
712 712  * Each bits shows if the corresponding trigger has been configured.
713 713  
... ... @@ -716,10 +716,35 @@
716 716  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
717 717  
718 718  
719 -
720 720  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
721 721  
722 -[[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 +)))
723 723  
724 724  * Each bits shows which status has been trigger on this uplink.
725 725  
... ... @@ -730,7 +730,9 @@
730 730  
731 731  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
732 732  
733 -[[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
734 734  
735 735  * Each bits shows which status has been trigger on this uplink.
736 736  
... ... @@ -776,8 +776,6 @@
776 776  
777 777  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
778 778  
779 -
780 -
781 781  === 3.4.1 Common Commands ===
782 782  
783 783  
... ... @@ -1020,9 +1020,14 @@
1020 1020  
1021 1021  (((
1022 1022  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
1023 1023  )))
1024 1024  
1025 -[[image:image-20220524092754-5.png]]
1026 1026  
1027 1027  (((
1028 1028  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1060,24 +1060,31 @@
1060 1060  
1061 1061  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1062 1062  
1063 -[[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
1064 1064  
1065 -
1066 1066  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1067 1067  
1068 -[[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
1069 1069  
1070 -
1071 1071  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1072 1072  
1073 -[[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
1074 1074  
1212 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1075 1075  
1076 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1077 1077  
1078 - Latching time. Unit: ms
1079 -
1080 -
1081 1081  (% style="color:red" %)**Note: **
1082 1082  
1083 1083   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1127,10 +1127,21 @@
1127 1127  
1128 1128  (((
1129 1129  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
1130 1130  )))
1131 1131  
1132 1132  (((
1133 -[[image:image-20230426161322-1.png]]
1278 +
1134 1134  )))
1135 1135  
1136 1136  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1394,7 +1394,7 @@
1394 1394  
1395 1395  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1396 1396  
1397 -(% 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" %)
1398 1398  
1399 1399  Search under The things network
1400 1400  
... ... @@ -1579,7 +1579,6 @@
1579 1579  
1580 1580  **Black:  GND**
1581 1581  
1582 -
1583 1583  **Connection diagram:**
1584 1584  
1585 1585  [[image:1653357640609-758.png]]
... ... @@ -1587,6 +1587,22 @@
1587 1587  [[image:1653357648330-671.png||height="155" width="733"]]
1588 1588  
1589 1589  
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 +
1590 1590  === 3.6.5 Relay Output ===
1591 1591  
1592 1592  
... ... @@ -1605,9 +1605,41 @@
1605 1605  == 3.7 LEDs Indicators ==
1606 1606  
1607 1607  
1608 -[[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 +)))
1609 1609  
1779 +(((
1780 +Successful join network: TX ON for 5 seconds.
1781 +)))
1610 1610  
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 +
1611 1611  = 4. Use AT Command =
1612 1612  
1613 1613  == 4.1 Access AT Command ==
... ... @@ -2093,14 +2093,20 @@
2093 2093  [[image:1653360498588-932.png||height="485" width="726"]]
2094 2094  
2095 2095  
2096 -== 6.4 Can I see counting event in Serial? ==
2288 +== 6.4 How to change the uplink interval？ ==
2097 2097  
2098 2098  
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 +
2099 2099  (((
2100 2100  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.
2101 2101  
2102 2102  
2103 -== 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? ==
2104 2104  
2105 2105  
2106 2106  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]].
... ... @@ -2109,7 +2109,7 @@
2109 2109  )))
2110 2110  
2111 2111  (((
2112 -== 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? ==
2113 2113  
2114 2114  
2115 2115  If the device is not shut down, but directly powered off.
... ... @@ -2121,7 +2121,7 @@
2121 2121  After restart, the status before power failure will be read from flash.
2122 2122  
2123 2123  
2124 -== 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? ==
2125 2125  
2126 2126  
2127 2127  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2130,7 +2130,7 @@
2130 2130  [[image:image-20221006170630-1.png||height="610" width="945"]]
2131 2131  
2132 2132  
2133 -== 6.8 Can LT22222-L save RO state? ==
2331 +== 6.9 Can LT22222-L save RO state? ==
2134 2134  
2135 2135  
2136 2136  Firmware version needs to be no less than 1.6.0.
... ... @@ -2193,8 +2193,6 @@
2193 2193  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2194 2194  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2195 2195  
2196 -
2197 -
2198 2198  = 9. Packing Info =
2199 2199  
2200 2200  
... ... @@ -2212,8 +2212,6 @@
2212 2212  * Package Size / pcs : 14.5 x 8 x 5 cm
2213 2213  * Weight / pcs : 170g
2214 2214  
2215 -
2216 -
2217 2217  = 10. Support =
2218 2218  
2219 2219  
... ... @@ -2221,7 +2221,7 @@
2221 2221  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.
2222 2222  )))
2223 2223  * (((
2224 -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]]
2225 2225  
2226 2226  
2227 2227  
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