Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.3 >
edited by Xiaoling
on 2023/06/08 17:13
To version < 114.1 >
edited by Xiaoling
on 2023/04/25 17:33
>
Change comment: Uploaded new attachment "image-20230425173351-1.png", version {1}

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, 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, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -189,8 +189,6 @@
189 189  
190 190  * Counting
191 191  
192 -
193 -
194 194  == 1.4  Applications ==
195 195  
196 196  
... ... @@ -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"]]
284 +[[image:1653297924498-393.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
327 +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  
330 +[[image:image-20220523174024-3.png]]
331 +
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  
338 +[[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  
379 +
380 +
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 -
392 +[[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.
395 +(((
396 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
428 428  )))
429 429  
399 +[[image:image-20220523180506-4.png]]
400 +
401 +* 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 -|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
489 -|Value|COUNT1|(((
490 -ACI1 Current
491 -)))|(((
492 -ACI2 Current
493 -)))|DIDORO*|Reserve|MOD
459 +[[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  
467 +[[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.
... ... @@ -543,25 +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 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
549 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
550 -Reserve
551 -
552 -
553 -)))|MOD
554 554  )))
555 555  
511 +[[image:image-20220523181903-8.png]]
556 556  
513 +
557 557  (((
558 558  (% 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
563 563  )))
564 564  
518 +[[image:image-20220523181727-7.png]]
565 565  
566 566  * RO is for relay. ROx=1 : close，ROx=0 always open.
567 567  * FIRST: Indicate this is the first packet after join network.
... ... @@ -616,29 +616,12 @@
616 616  
617 617  **LT22222-L**: This mode the DI1 is used as a counting pin.
618 618  
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
573 +[[image:image-20220523182334-9.png]]
633 633  
634 634  (((
635 635  
636 636  
637 637  (% 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
642 642  )))
643 643  
644 644  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -763,51 +763,12 @@
763 763  
764 764  MOD6 Payload : total 11 bytes payload
765 765  
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 -)))
703 +[[image:image-20220524085923-1.png]]
781 781  
705 +
782 782  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
783 783  
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 -)))
708 +[[image:image-20220524090106-2.png]]
811 811  
812 812  * Each bits shows if the corresponding trigger has been configured.
813 813  
... ... @@ -816,35 +816,10 @@
816 816  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
817 817  
818 818  
717 +
819 819  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
820 820  
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 -)))
720 +[[image:image-20220524090249-3.png]]
848 848  
849 849  * Each bits shows which status has been trigger on this uplink.
850 850  
... ... @@ -855,9 +855,7 @@
855 855  
856 856  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
857 857  
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
731 +[[image:image-20220524090456-4.png]]
861 861  
862 862  * Each bits shows which status has been trigger on this uplink.
863 863  
... ... @@ -903,6 +903,8 @@
903 903  
904 904  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
905 905  
777 +
778 +
906 906  === 3.4.1 Common Commands ===
907 907  
908 908  
... ... @@ -1145,14 +1145,9 @@
1145 1145  
1146 1146  (((
1147 1147  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
1154 1154  )))
1155 1155  
1023 +[[image:image-20220524092754-5.png]]
1156 1156  
1157 1157  (((
1158 1158  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1190,31 +1190,24 @@
1190 1190  
1191 1191  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1192 1192  
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 +[[image:image-20220524093238-6.png]]
1198 1198  
1063 +
1199 1199  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1200 1200  
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 +[[image:image-20220524093328-7.png]]
1206 1206  
1068 +
1207 1207  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1208 1208  
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 +[[image:image-20220524093351-8.png]]
1214 1214  
1215 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1216 1216  
1074 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1217 1217  
1076 + Latching time. Unit: ms
1077 +
1078 +
1218 1218  (% style="color:red" %)**Note: **
1219 1219  
1220 1220   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1264,21 +1264,10 @@
1264 1264  
1265 1265  (((
1266 1266  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
1278 1278  )))
1279 1279  
1280 1280  (((
1281 -
1131 +[[image:image-20220524093724-9.png]]
1282 1282  )))
1283 1283  
1284 1284  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1542,7 +1542,7 @@
1542 1542  
1543 1543  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1544 1544  
1545 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1395 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1546 1546  
1547 1547  Search under The things network
1548 1548  
... ... @@ -1727,6 +1727,7 @@
1727 1727  
1728 1728  **Black:  GND**
1729 1729  
1580 +
1730 1730  **Connection diagram:**
1731 1731  
1732 1732  [[image:1653357640609-758.png]]
... ... @@ -1734,22 +1734,6 @@
1734 1734  [[image:1653357648330-671.png||height="155" width="733"]]
1735 1735  
1736 1736  
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 -
1753 1753  === 3.6.5 Relay Output ===
1754 1754  
1755 1755  
... ... @@ -1768,41 +1768,9 @@
1768 1768  == 3.7 LEDs Indicators ==
1769 1769  
1770 1770  
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 +[[image:image-20220524100748-11.png]]
1781 1781  
1782 -(((
1783 -Successful join network: TX ON for 5 seconds.
1784 -)))
1785 1785  
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 -
1806 1806  = 4. Use AT Command =
1807 1807  
1808 1808  == 4.1 Access AT Command ==
... ... @@ -2288,20 +2288,14 @@
2288 2288  [[image:1653360498588-932.png||height="485" width="726"]]
2289 2289  
2290 2290  
2291 -== 6.4 How to change the uplink interval？ ==
2094 +== 6.4 Can I see counting event in Serial? ==
2292 2292  
2293 2293  
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 -
2300 2300  (((
2301 2301  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.
2302 2302  
2303 2303  
2304 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2101 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2305 2305  
2306 2306  
2307 2307  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]].
... ... @@ -2310,7 +2310,7 @@
2310 2310  )))
2311 2311  
2312 2312  (((
2313 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2110 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2314 2314  
2315 2315  
2316 2316  If the device is not shut down, but directly powered off.
... ... @@ -2322,7 +2322,7 @@
2322 2322  After restart, the status before power failure will be read from flash.
2323 2323  
2324 2324  
2325 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2122 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2326 2326  
2327 2327  
2328 2328  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2331,7 +2331,7 @@
2331 2331  [[image:image-20221006170630-1.png||height="610" width="945"]]
2332 2332  
2333 2333  
2334 -== 6.9 Can LT22222-L save RO state? ==
2131 +== 6.8 Can LT22222-L save RO state? ==
2335 2335  
2336 2336  
2337 2337  Firmware version needs to be no less than 1.6.0.
... ... @@ -2394,6 +2394,8 @@
2394 2394  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2395 2395  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2396 2396  
2194 +
2195 +
2397 2397  = 9. Packing Info =
2398 2398  
2399 2399  
... ... @@ -2411,6 +2411,8 @@
2411 2411  * Package Size / pcs : 14.5 x 8 x 5 cm
2412 2412  * Weight / pcs : 170g
2413 2413  
2213 +
2214 +
2414 2414  = 10. Support =
2415 2415  
2416 2416  
... ... @@ -2418,7 +2418,7 @@
2418 2418  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.
2419 2419  )))
2420 2420  * (((
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 +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]]
2422 2422  
2423 2423  
2424 2424  
... ... @@ -2430,3 +2430,5 @@
2430 2430  * 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]]
2431 2431  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2432 2432  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2234 +
2235 +
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