Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.7 >
edited by Xiaoling
on 2023/06/08 17:16
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.
... ... @@ -757,51 +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 -|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
762 -|Value|(((
763 -TRI_A
764 -FLAG
765 -)))|(((
766 -TRI_A
767 -Status
768 -)))|(((
769 -TRI_DI
770 -FLAG+STA
771 -)))|Reserve|Enable/Disable MOD6|(((
772 -MOD
773 -(6)
774 -)))
705 +[[image:image-20220524085923-1.png]]
775 775  
707 +
776 776  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
777 777  
778 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
779 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
780 -|(((
781 -AV1_
782 -LOW
783 -)))|(((
784 -AV1_
785 -HIGH
786 -)))|(((
787 -AV2_
788 -LOW
789 -)))|(((
790 -AV2_
791 -HIGH
792 -)))|(((
793 -AC1_
794 -LOW
795 -)))|(((
796 -AC1_
797 -HIGH
798 -)))|(((
799 -AC2_
800 -LOW
801 -)))|(((
802 -AC2_
803 -HIGH
804 -)))
710 +[[image:image-20220524090106-2.png]]
805 805  
806 806  * Each bits shows if the corresponding trigger has been configured.
807 807  
... ... @@ -810,35 +810,10 @@
810 810  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
811 811  
812 812  
719 +
813 813  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
814 814  
815 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
816 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
817 -|(((
818 -AV1_
819 -LOW
820 -)))|(((
821 -AV1_
822 -HIGH
823 -)))|(((
824 -AV2_
825 -LOW
826 -)))|(((
827 -AV2_
828 -HIGH
829 -)))|(((
830 -AC1_
831 -LOW
832 -)))|(((
833 -AC1_
834 -HIGH
835 -)))|(((
836 -AC2_
837 -LOW
838 -)))|(((
839 -AC2_
840 -HIGH
841 -)))
722 +[[image:image-20220524090249-3.png]]
842 842  
843 843  * Each bits shows which status has been trigger on this uplink.
844 844  
... ... @@ -849,9 +849,7 @@
849 849  
850 850  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
851 851  
852 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
853 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
854 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
733 +[[image:image-20220524090456-4.png]]
855 855  
856 856  * Each bits shows which status has been trigger on this uplink.
857 857  
... ... @@ -897,6 +897,8 @@
897 897  
898 898  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
899 899  
779 +
780 +
900 900  === 3.4.1 Common Commands ===
901 901  
902 902  
... ... @@ -1139,14 +1139,9 @@
1139 1139  
1140 1140  (((
1141 1141  01: Low,  00: High ,  11: No action
1142 -
1143 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1144 -|(% 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**
1145 -|02  01  00  11|Low|High|No Action
1146 -|02  00  11  01|High|No Action|Low
1147 -|02  11  01  00|No Action|Low|High
1148 1148  )))
1149 1149  
1025 +[[image:image-20220524092754-5.png]]
1150 1150  
1151 1151  (((
1152 1152  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1184,31 +1184,24 @@
1184 1184  
1185 1185  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1186 1186  
1187 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1188 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1189 -|0x01|DO1 set to low
1190 -|0x00|DO1 set to high
1191 -|0x11|DO1 NO Action
1063 +[[image:image-20220524093238-6.png]]
1192 1192  
1065 +
1193 1193  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1194 1194  
1195 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1196 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1197 -|0x01|DO2 set to low
1198 -|0x00|DO2 set to high
1199 -|0x11|DO2 NO Action
1068 +[[image:image-20220524093328-7.png]]
1200 1200  
1070 +
1201 1201  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1202 1202  
1203 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1204 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1205 -|0x01|DO3 set to low
1206 -|0x00|DO3 set to high
1207 -|0x11|DO3 NO Action
1073 +[[image:image-20220524093351-8.png]]
1208 1208  
1209 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1210 1210  
1076 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1211 1211  
1078 + Latching time. Unit: ms
1079 +
1080 +
1212 1212  (% style="color:red" %)**Note: **
1213 1213  
1214 1214   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1258,21 +1258,10 @@
1258 1258  
1259 1259  (((
1260 1260  01: Close ,  00: Open , 11: No action
1261 -
1262 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1263 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1264 -|03  00  11|Open|No Action
1265 -|03  01  11|Close|No Action
1266 -|03  11  00|No Action|Open
1267 -|03  11  01|No Action|Close
1268 -|03  00  00|Open|Open
1269 -|03  01  01|Close|Close
1270 -|03  01  00|Close|Open
1271 -|03  00  01|Open|Close
1272 1272  )))
1273 1273  
1274 1274  (((
1275 -
1133 +[[image:image-20230426161322-1.png]]
1276 1276  )))
1277 1277  
1278 1278  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1536,7 +1536,7 @@
1536 1536  
1537 1537  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1538 1538  
1539 -(% 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" %)
1540 1540  
1541 1541  Search under The things network
1542 1542  
... ... @@ -1721,6 +1721,7 @@
1721 1721  
1722 1722  **Black:  GND**
1723 1723  
1582 +
1724 1724  **Connection diagram:**
1725 1725  
1726 1726  [[image:1653357640609-758.png]]
... ... @@ -1728,22 +1728,6 @@
1728 1728  [[image:1653357648330-671.png||height="155" width="733"]]
1729 1729  
1730 1730  
1731 -Example connected to a regulated power supply to measure voltage
1732 -
1733 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1734 -
1735 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1736 -
1737 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1738 -
1739 -
1740 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1741 -
1742 -(% style="color:red" %)**Red:  12~~24v**
1743 -
1744 -**Black:  GND**
1745 -
1746 -
1747 1747  === 3.6.5 Relay Output ===
1748 1748  
1749 1749  
... ... @@ -1762,41 +1762,9 @@
1762 1762  == 3.7 LEDs Indicators ==
1763 1763  
1764 1764  
1765 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1766 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1767 -|**PWR**|Always on if there is power
1768 -|**SYS**|(((
1769 -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.
1770 -)))
1771 -|**TX**|(((
1772 -(((
1773 -Device boot: TX blinks 5 times.
1774 -)))
1608 +[[image:image-20220524100748-11.png]]
1775 1775  
1776 -(((
1777 -Successful join network: TX ON for 5 seconds.
1778 -)))
1779 1779  
1780 -(((
1781 -Transmit a LoRa packet: TX blinks once
1782 -)))
1783 -)))
1784 -|**RX**|RX blinks once when receive a packet.
1785 -|**DO1**|
1786 -|**DO2**|
1787 -|**DO3**|
1788 -|**DI2**|(((
1789 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1790 -)))
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 -|**RO1**|
1798 -|**RO2**|
1799 -
1800 1800  = 4. Use AT Command =
1801 1801  
1802 1802  == 4.1 Access AT Command ==
... ... @@ -2282,20 +2282,14 @@
2282 2282  [[image:1653360498588-932.png||height="485" width="726"]]
2283 2283  
2284 2284  
2285 -== 6.4 How to change the uplink interval？ ==
2096 +== 6.4 Can I see counting event in Serial? ==
2286 2286  
2287 2287  
2288 -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/]]
2289 -
2290 -
2291 -== 6.5 Can I see counting event in Serial? ==
2292 -
2293 -
2294 2294  (((
2295 2295  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.
2296 2296  
2297 2297  
2298 -== 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? ==
2299 2299  
2300 2300  
2301 2301  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]].
... ... @@ -2304,7 +2304,7 @@
2304 2304  )))
2305 2305  
2306 2306  (((
2307 -== 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? ==
2308 2308  
2309 2309  
2310 2310  If the device is not shut down, but directly powered off.
... ... @@ -2316,7 +2316,7 @@
2316 2316  After restart, the status before power failure will be read from flash.
2317 2317  
2318 2318  
2319 -== 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? ==
2320 2320  
2321 2321  
2322 2322  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2325,7 +2325,7 @@
2325 2325  [[image:image-20221006170630-1.png||height="610" width="945"]]
2326 2326  
2327 2327  
2328 -== 6.9 Can LT22222-L save RO state? ==
2133 +== 6.8 Can LT22222-L save RO state? ==
2329 2329  
2330 2330  
2331 2331  Firmware version needs to be no less than 1.6.0.
... ... @@ -2388,6 +2388,8 @@
2388 2388  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2389 2389  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2390 2390  
2196 +
2197 +
2391 2391  = 9. Packing Info =
2392 2392  
2393 2393  
... ... @@ -2405,6 +2405,8 @@
2405 2405  * Package Size / pcs : 14.5 x 8 x 5 cm
2406 2406  * Weight / pcs : 170g
2407 2407  
2215 +
2216 +
2408 2408  = 10. Support =
2409 2409  
2410 2410  
... ... @@ -2412,7 +2412,7 @@
2412 2412  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.
2413 2413  )))
2414 2414  * (((
2415 -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]]
2416 2416  
2417 2417  
2418 2418  
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