Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.10 >
edited by Xiaoling
on 2023/06/08 17:27
To version < 117.2 >
edited by Xiaoling
on 2023/04/26 17:51
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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||height="246" width="530"]]
286 +[[image:image-20230425173427-2.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -314,15 +314,10 @@
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 -
318 318  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
319 -
320 320  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
321 -
322 322  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
323 -
324 324  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
325 -
326 326  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
327 327  
328 328  
... ... @@ -331,33 +331,18 @@
331 331  
332 332  
333 333  (((
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 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
349 349  )))
350 350  
332 +[[image:image-20220523174024-3.png]]
333 +
351 351  (((
352 352  
353 353  
354 354  (% 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
359 359  )))
360 360  
340 +[[image:image-20220523174254-4.png]]
361 361  
362 362  * RO is for relay. ROx=1 : close，ROx=0 always open.
363 363  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -398,6 +398,8 @@
398 398  ** DO1 is high in case there is load between DO1 and V+.
399 399  ** DO1 LED is off in both case
400 400  
381 +
382 +
401 401  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
402 402  
403 403  
... ... @@ -407,26 +407,18 @@
407 407  
408 408  (((
409 409  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
416 416  )))
417 417  
418 -(((
419 -
394 +[[image:image-20220523180452-3.png]]
420 420  
421 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
422 422  
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
426 -
427 -RO is for relay. ROx=1 : close，ROx=0 always open.
397 +(((
398 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
428 428  )))
429 429  
401 +[[image:image-20220523180506-4.png]]
402 +
403 +* RO is for relay. ROx=1 : close，ROx=0 always open.
430 430  * FIRST: Indicate this is the first packet after join network.
431 431  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
432 432  
... ... @@ -484,24 +484,15 @@
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
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
461 +[[image:image-20220523181246-5.png]]
494 494  
495 495  (((
496 496  
497 497  
498 498  (% 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
503 503  )))
504 504  
469 +[[image:image-20220523181301-6.png]]
505 505  
506 506  * RO is for relay. ROx=1 : close，ROx=0 always open.
507 507  * FIRST: Indicate this is the first packet after join network.
... ... @@ -543,22 +543,16 @@
543 543  
544 544  (((
545 545  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
551 551  )))
552 552  
513 +[[image:image-20220523181903-8.png]]
553 553  
515 +
554 554  (((
555 555  (% 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
560 560  )))
561 561  
520 +[[image:image-20220523181727-7.png]]
562 562  
563 563  * RO is for relay. ROx=1 : close，ROx=0 always open.
564 564  * FIRST: Indicate this is the first packet after join network.
... ... @@ -613,26 +613,12 @@
613 613  
614 614  **LT22222-L**: This mode the DI1 is used as a counting pin.
615 615  
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 voltage
620 -)))|(((
621 -AVI2 voltage
622 -)))|(((
623 -ACI1 Current
624 -)))|COUNT1|DIDORO*|(((
625 -Reserve
626 -)))|MOD
575 +[[image:image-20220523182334-9.png]]
627 627  
628 628  (((
629 629  
630 630  
631 631  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
632 -
633 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
634 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
635 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
636 636  )))
637 637  
638 638  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -757,39 +757,12 @@
757 757  
758 758  MOD6 Payload : total 11 bytes payload
759 759  
760 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
761 -|(% style="background-color:#D9E2F3;color:#0070C0;width:60px" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0;width:70px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:70px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:110px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:50px" %)**6**|(% style="background-color:#D9E2F3;color:#0070C0;width:110px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:50px" %)**1**
762 -|Value|(((
763 -TRI_A FLAG
764 -)))|(((
765 -TRI_A Status
766 -)))|(((
767 -TRI_DI FLAG+STA
768 -)))|Reserve|Enable/Disable MOD6|(((
769 -MOD(6)
770 -)))
705 +[[image:image-20220524085923-1.png]]
771 771  
707 +
772 772  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
773 773  
774 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
775 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
776 -|(((
777 -AV1_LOW
778 -)))|(((
779 -AV1_HIGH
780 -)))|(((
781 -AV2_LOW
782 -)))|(((
783 -AV2_HIGH
784 -)))|(((
785 -AC1_LOW
786 -)))|(((
787 -AC1_HIGH
788 -)))|(((
789 -AC2_LOW
790 -)))|(((
791 -AC2_HIGH
792 -)))
710 +[[image:image-20220524090106-2.png]]
793 793  
794 794  * Each bits shows if the corresponding trigger has been configured.
795 795  
... ... @@ -798,27 +798,10 @@
798 798  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
799 799  
800 800  
719 +
801 801  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
802 802  
803 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
804 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
805 -|(((
806 -AV1_LOW
807 -)))|(((
808 -AV1_HIGH
809 -)))|(((
810 -AV2_LOW
811 -)))|(((
812 -AV2_HIGH
813 -)))|(((
814 -AC1_LOW
815 -)))|(((
816 -AC1_HIGH
817 -)))|(((
818 -AC2_LOW
819 -)))|(((
820 -AC2_HIGH
821 -)))
722 +[[image:image-20220524090249-3.png]]
822 822  
823 823  * Each bits shows which status has been trigger on this uplink.
824 824  
... ... @@ -829,9 +829,7 @@
829 829  
830 830  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
831 831  
832 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
833 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
834 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
733 +[[image:image-20220524090456-4.png]]
835 835  
836 836  * Each bits shows which status has been trigger on this uplink.
837 837  
... ... @@ -877,6 +877,8 @@
877 877  
878 878  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
879 879  
779 +
780 +
880 880  === 3.4.1 Common Commands ===
881 881  
882 882  
... ... @@ -1119,14 +1119,9 @@
1119 1119  
1120 1120  (((
1121 1121  01: Low,  00: High ,  11: No action
1122 -
1123 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1124 -|(% 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**
1125 -|02  01  00  11|Low|High|No Action
1126 -|02  00  11  01|High|No Action|Low
1127 -|02  11  01  00|No Action|Low|High
1128 1128  )))
1129 1129  
1025 +[[image:image-20220524092754-5.png]]
1130 1130  
1131 1131  (((
1132 1132  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1164,31 +1164,24 @@
1164 1164  
1165 1165  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1166 1166  
1167 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1168 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1169 -|0x01|DO1 set to low
1170 -|0x00|DO1 set to high
1171 -|0x11|DO1 NO Action
1063 +[[image:image-20220524093238-6.png]]
1172 1172  
1065 +
1173 1173  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1174 1174  
1175 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1176 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1177 -|0x01|DO2 set to low
1178 -|0x00|DO2 set to high
1179 -|0x11|DO2 NO Action
1068 +[[image:image-20220524093328-7.png]]
1180 1180  
1070 +
1181 1181  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1182 1182  
1183 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1184 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1185 -|0x01|DO3 set to low
1186 -|0x00|DO3 set to high
1187 -|0x11|DO3 NO Action
1073 +[[image:image-20220524093351-8.png]]
1188 1188  
1189 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1190 1190  
1076 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1191 1191  
1078 + Latching time. Unit: ms
1079 +
1080 +
1192 1192  (% style="color:red" %)**Note: **
1193 1193  
1194 1194   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1238,21 +1238,10 @@
1238 1238  
1239 1239  (((
1240 1240  01: Close ,  00: Open , 11: No action
1241 -
1242 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1243 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1244 -|03  00  11|Open|No Action
1245 -|03  01  11|Close|No Action
1246 -|03  11  00|No Action|Open
1247 -|03  11  01|No Action|Close
1248 -|03  00  00|Open|Open
1249 -|03  01  01|Close|Close
1250 -|03  01  00|Close|Open
1251 -|03  00  01|Open|Close
1252 1252  )))
1253 1253  
1254 1254  (((
1255 -
1133 +[[image:image-20230426161322-1.png]]
1256 1256  )))
1257 1257  
1258 1258  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1516,7 +1516,7 @@
1516 1516  
1517 1517  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1518 1518  
1519 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1397 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1520 1520  
1521 1521  Search under The things network
1522 1522  
... ... @@ -1701,6 +1701,7 @@
1701 1701  
1702 1702  **Black:  GND**
1703 1703  
1582 +
1704 1704  **Connection diagram:**
1705 1705  
1706 1706  [[image:1653357640609-758.png]]
... ... @@ -1708,22 +1708,6 @@
1708 1708  [[image:1653357648330-671.png||height="155" width="733"]]
1709 1709  
1710 1710  
1711 -Example connected to a regulated power supply to measure voltage
1712 -
1713 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1714 -
1715 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1716 -
1717 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1718 -
1719 -
1720 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1721 -
1722 -(% style="color:red" %)**Red:  12~~24v**
1723 -
1724 -**Black:  GND**
1725 -
1726 -
1727 1727  === 3.6.5 Relay Output ===
1728 1728  
1729 1729  
... ... @@ -1742,41 +1742,9 @@
1742 1742  == 3.7 LEDs Indicators ==
1743 1743  
1744 1744  
1745 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1746 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1747 -|**PWR**|Always on if there is power
1748 -|**SYS**|(((
1749 -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.
1750 -)))
1751 -|**TX**|(((
1752 -(((
1753 -Device boot: TX blinks 5 times.
1754 -)))
1608 +[[image:image-20220524100748-11.png]]
1755 1755  
1756 -(((
1757 -Successful join network: TX ON for 5 seconds.
1758 -)))
1759 1759  
1760 -(((
1761 -Transmit a LoRa packet: TX blinks once
1762 -)))
1763 -)))
1764 -|**RX**|RX blinks once when receive a packet.
1765 -|**DO1**|
1766 -|**DO2**|
1767 -|**DO3**|
1768 -|**DI2**|(((
1769 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1770 -)))
1771 -|**DI2**|(((
1772 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1773 -)))
1774 -|**DI2**|(((
1775 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1776 -)))
1777 -|**RO1**|
1778 -|**RO2**|
1779 -
1780 1780  = 4. Use AT Command =
1781 1781  
1782 1782  == 4.1 Access AT Command ==
... ... @@ -2262,20 +2262,14 @@
2262 2262  [[image:1653360498588-932.png||height="485" width="726"]]
2263 2263  
2264 2264  
2265 -== 6.4 How to change the uplink interval？ ==
2096 +== 6.4 Can I see counting event in Serial? ==
2266 2266  
2267 2267  
2268 -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/]]
2269 -
2270 -
2271 -== 6.5 Can I see counting event in Serial? ==
2272 -
2273 -
2274 2274  (((
2275 2275  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.
2276 2276  
2277 2277  
2278 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2103 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2279 2279  
2280 2280  
2281 2281  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]].
... ... @@ -2284,7 +2284,7 @@
2284 2284  )))
2285 2285  
2286 2286  (((
2287 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2112 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2288 2288  
2289 2289  
2290 2290  If the device is not shut down, but directly powered off.
... ... @@ -2296,7 +2296,7 @@
2296 2296  After restart, the status before power failure will be read from flash.
2297 2297  
2298 2298  
2299 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2124 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2300 2300  
2301 2301  
2302 2302  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2305,7 +2305,7 @@
2305 2305  [[image:image-20221006170630-1.png||height="610" width="945"]]
2306 2306  
2307 2307  
2308 -== 6.9 Can LT22222-L save RO state? ==
2133 +== 6.8 Can LT22222-L save RO state? ==
2309 2309  
2310 2310  
2311 2311  Firmware version needs to be no less than 1.6.0.
... ... @@ -2368,6 +2368,8 @@
2368 2368  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2369 2369  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2370 2370  
2196 +
2197 +
2371 2371  = 9. Packing Info =
2372 2372  
2373 2373  
... ... @@ -2385,6 +2385,8 @@
2385 2385  * Package Size / pcs : 14.5 x 8 x 5 cm
2386 2386  * Weight / pcs : 170g
2387 2387  
2215 +
2216 +
2388 2388  = 10. Support =
2389 2389  
2390 2390  
... ... @@ -2392,7 +2392,7 @@
2392 2392  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.
2393 2393  )))
2394 2394  * (((
2395 -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]]
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]]
2396 2396  
2397 2397  
2398 2398  
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