Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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...	...	@@ -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
...	...	@@ -211,8 +211,8 @@
211	211	== 1.5 Hardware Variants ==
212	212
213	213
214		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
215		-|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
	212	+(% border="1" style="background-color:#f2f2f2; width:500px" %)
	213	+|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
216	216	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217	217	(% style="text-align:center" %)
218	218	[[image:image-20230424115112-1.png||height="106" width="58"]]
...	...	@@ -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:
...	...	@@ -298,6 +298,7 @@
298	298	[[image:1653298023685-319.png]]
299	299
300	300
	299	+
301	301	(((
302	302	(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
303	303
...	...	@@ -313,15 +313,10 @@
313	313	There are five working modes + one interrupt mode on LT for different type application:
314	314
315	315	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
316		-
317	317	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
318		-
319	319	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
320		-
321	321	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
322		-
323	323	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
324		-
325	325	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
326	326
327	327
...	...	@@ -330,31 +330,19 @@
330	330
331	331
332	332	(((
333		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
334		-
335		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
336		-|(% 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**
337		-|Value|(((
338		-AVI1 voltage
339		-)))|(((
340		-AVI2 voltage
341		-)))|(((
342		-ACI1 Current
343		-)))|(((
344		-ACI2 Current
345		-)))|DIDORO*|(((
346		-Reserve
347		-)))|MOD
	327	+The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
348	348	)))
349	349
	330	+[[image:image-20220523174024-3.png]]
	331	+
350	350	(((
351		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	333	+
352	352
353		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
354		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
355		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	335	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
356	356	)))
357	357
	338	+[[image:image-20220523174254-4.png]]
	339	+
358	358	* RO is for relay. ROx=1 : close，ROx=0 always open.
359	359	* DI is for digital input. DIx=1: high or float, DIx=0: low.
360	360	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -405,55 +405,56 @@
405	405
406	406	(((
407	407	Total : 11 bytes payload
408		-
409		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
410		-|(% 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**
411		-|Value|COUNT1|COUNT2 |DIDORO*|(((
412		-Reserve
413		-)))|MOD
414	414	)))
415	415
416		-(((
417		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	392	+[[image:image-20220523180452-3.png]]
418	418
419		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
420		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
421		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
422	422
423		-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
424	424	)))
425	425
	399	+[[image:image-20220523180506-4.png]]
	400	+
	401	+* RO is for relay. ROx=1 : close，ROx=0 always open.
426	426	* FIRST: Indicate this is the first packet after join network.
427	427	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
428	428
429	429	(((
430	430	(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
431		-
432		-
433	433	)))
434	434
435	435	(((
	410	+
	411	+
436	436	**To use counting mode, please run:**
437	437	)))
438	438
439		-(((
440	440	(% class="box infomessage" %)
441	441	(((
	417	+(((
	418	+(((
442	442	**AT+MOD=2**
	420	+)))
443	443
	422	+(((
444	444	**ATZ**
445	445	)))
446	446	)))
	426	+)))
447	447
448	448	(((
449	449
450	450
451	451	(% style="color:#4f81bd" %)**AT Commands for counting:**
	432	+
	433	+
452	452	)))
453	453
454	454	(((
455	455	**For LT22222-L:**
456	456
	439	+
457	457	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
458	458
459	459	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -473,22 +473,16 @@
473	473
474	474	**LT22222-L**: This mode the DI1 is used as a counting pin.
475	475
476		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
477		-|(% 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**
478		-|Value|COUNT1|(((
479		-ACI1 Current
480		-)))|(((
481		-ACI2 Current
482		-)))|DIDORO*|Reserve|MOD
	459	+[[image:image-20220523181246-5.png]]
483	483
484	484	(((
485		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	462	+
486	486
487		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
488		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
489		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	464	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
490	490	)))
491	491
	467	+[[image:image-20220523181301-6.png]]
	468	+
492	492	* RO is for relay. ROx=1 : close，ROx=0 always open.
493	493	* FIRST: Indicate this is the first packet after join network.
494	494	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -502,14 +502,18 @@
502	502	**To use counting mode, please run:**
503	503	)))
504	504
505		-(((
506	506	(% class="box infomessage" %)
507	507	(((
	484	+(((
	485	+(((
508	508	**AT+MOD=3**
	487	+)))
509	509
	489	+(((
510	510	**ATZ**
511	511	)))
512	512	)))
	493	+)))
513	513
514	514	(((
515	515	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -525,22 +525,17 @@
525	525
526	526	(((
527	527	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.
528		-
529		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530		-|(% 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**
531		-|Value|COUNT1|AVI1 Counting|DIDORO*|(((
532		-Reserve
533		-)))|MOD
534	534	)))
535	535
	511	+[[image:image-20220523181903-8.png]]
	512	+
	513	+
536	536	(((
537	537	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
538		-
539		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
540		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
541		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
542	542	)))
543	543
	518	+[[image:image-20220523181727-7.png]]
	519	+
544	544	* RO is for relay. ROx=1 : close，ROx=0 always open.
545	545	* FIRST: Indicate this is the first packet after join network.
546	546	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -547,30 +547,38 @@
547	547
548	548	(((
549	549	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
550		-
551		-
552	552	)))
553	553
554	554	(((
	529	+
	530	+
555	555	**To use this mode, please run:**
556	556	)))
557	557
558		-(((
559	559	(% class="box infomessage" %)
560	560	(((
	536	+(((
	537	+(((
561	561	**AT+MOD=4**
	539	+)))
562	562
	541	+(((
563	563	**ATZ**
564	564	)))
565	565	)))
	545	+)))
566	566
	547	+
567	567	(((
568	568	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
569	569	)))
570	570
571	571	(((
	553	+
	554	+
572	572	**Plus below command for AVI1 Counting:**
573	573
	557	+
574	574	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
575	575
576	576	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -586,24 +586,12 @@
586	586
587	587	**LT22222-L**: This mode the DI1 is used as a counting pin.
588	588
589		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
590		-|(% 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**
591		-|Value|(((
592		-AVI1 voltage
593		-)))|(((
594		-AVI2 voltage
595		-)))|(((
596		-ACI1 Current
597		-)))|COUNT1|DIDORO*|(((
598		-Reserve
599		-)))|MOD
	573	+[[image:image-20220523182334-9.png]]
600	600
601	601	(((
602		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	576	+
603	603
604		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
605		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
606		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	578	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
607	607	)))
608	608
609	609	* RO is for relay. ROx=1 : close，ROx=0 always open.
...	...	@@ -617,17 +617,23 @@
617	617	)))
618	618
619	619	(((
	592	+
	593	+
620	620	**To use this mode, please run:**
621	621	)))
622	622
623		-(((
624	624	(% class="box infomessage" %)
625	625	(((
	599	+(((
	600	+(((
626	626	**AT+MOD=5**
	602	+)))
627	627
	604	+(((
628	628	**ATZ**
629	629	)))
630	630	)))
	608	+)))
631	631
632	632	(((
633	633	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -722,39 +722,12 @@
722	722
723	723	MOD6 Payload : total 11 bytes payload
724	724
725		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
726		-|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
727		-|Value|(((
728		-TRI_A FLAG
729		-)))|(((
730		-TRI_A Status
731		-)))|(((
732		-TRI_DI FLAG+STA
733		-)))|Reserve|Enable/Disable MOD6|(((
734		-MOD(6)
735		-)))
	703	+[[image:image-20220524085923-1.png]]
736	736
	705	+
737	737	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
738	738
739		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
740		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
741		-|(((
742		-AV1_LOW
743		-)))|(((
744		-AV1_HIGH
745		-)))|(((
746		-AV2_LOW
747		-)))|(((
748		-AV2_HIGH
749		-)))|(((
750		-AC1_LOW
751		-)))|(((
752		-AC1_HIGH
753		-)))|(((
754		-AC2_LOW
755		-)))|(((
756		-AC2_HIGH
757		-)))
	708	+[[image:image-20220524090106-2.png]]
758	758
759	759	* Each bits shows if the corresponding trigger has been configured.
760	760
...	...	@@ -763,27 +763,10 @@
763	763	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
764	764
765	765
	717	+
766	766	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
767	767
768		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
769		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
770		-|(((
771		-AV1_LOW
772		-)))|(((
773		-AV1_HIGH
774		-)))|(((
775		-AV2_LOW
776		-)))|(((
777		-AV2_HIGH
778		-)))|(((
779		-AC1_LOW
780		-)))|(((
781		-AC1_HIGH
782		-)))|(((
783		-AC2_LOW
784		-)))|(((
785		-AC2_HIGH
786		-)))
	720	+[[image:image-20220524090249-3.png]]
787	787
788	788	* Each bits shows which status has been trigger on this uplink.
789	789
...	...	@@ -794,9 +794,7 @@
794	794
795	795	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
796	796
797		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
798		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
799		-|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
	731	+[[image:image-20220524090456-4.png]]
800	800
801	801	* Each bits shows which status has been trigger on this uplink.
802	802
...	...	@@ -878,10 +878,14 @@
878	878
879	879	Set work mode.
880	880
881		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	813	+* (% style="color:#037691" %)**AT Command:**
882	882
	815	+(% style="color:blue" %)**AT+MOD=N  **
	816	+
	817	+
883	883	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
884	884
	820	+
885	885	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
886	886
887	887	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -891,12 +891,16 @@
891	891	==== 3.4.2.3 Poll an uplink ====
892	892
893	893
894		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	830	+* (% style="color:#037691" %)**AT Command:**
895	895
	832	+There is no AT Command to poll uplink
	833	+
	834	+
896	896	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
897	897
898	898	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
899	899
	839	+
900	900	**Example**: 0x08FF, ask device to send an Uplink
901	901
902	902
...	...	@@ -906,8 +906,10 @@
906	906
907	907	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
908	908
909		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	849	+* (% style="color:#037691" %)**AT Command:**
910	910
	851	+(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	852	+
911	911	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
912	912
913	913	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -922,12 +922,13 @@
922	922	==== 3.4.2.5 Poll trigger settings ====
923	923
924	924
925		-Poll trigger settings
	867	+Poll trigger settings,
926	926
927	927	* (% style="color:#037691" %)**AT Command:**
928	928
929	929	There is no AT Command for this feature.
930	930
	873	+
931	931	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
932	932
933	933	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -939,11 +939,15 @@
939	939
940	940	Enable Disable DI1/DI2/DI2 as trigger,
941	941
942		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	885	+* (% style="color:#037691" %)**AT Command:**
943	943
944		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	887	+(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
945	945
946	946
	890	+**Example:**
	891	+
	892	+AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	893	+
947	947	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
948	948
949	949	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -955,15 +955,20 @@
955	955
956	956	Set DI1 or DI3(for LT-33222-L) trigger.
957	957
958		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
	905	+* (% style="color:#037691" %)**AT Command:**
959	959
	907	+(% style="color:blue" %)**AT+TRIG1=a,b**
	908	+
960	960	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
961	961
962	962	(% style="color:red" %)**b :** (%%)delay timing.
963	963
964		-**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
965	965
	914	+**Example:**
966	966
	916	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
	917	+
	918	+
967	967	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
968	968
969	969	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -975,15 +975,20 @@
975	975
976	976	Set DI2 trigger.
977	977
978		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
	930	+* (% style="color:#037691" %)**AT Command:**
979	979
	932	+(% style="color:blue" %)**AT+TRIG2=a,b**
	933	+
980	980	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
981	981
982	982	(% style="color:red" %)**b :** (%%)delay timing.
983	983
984		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
985	985
	939	+**Example:**
986	986
	941	+AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	942	+
	943	+
987	987	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
988	988
989	989	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -995,8 +995,11 @@
995	995
996	996	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
997	997
998		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
	955	+* (% style="color:#037691" %)**AT Command**
999	999
	957	+(% style="color:blue" %)**AT+ACLIM**
	958	+
	959	+
1000	1000	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1001	1001
1002	1002	(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
...	...	@@ -1008,8 +1008,11 @@
1008	1008
1009	1009	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1010	1010
1011		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	971	+* (% style="color:#037691" %)**AT Command**
1012	1012
	973	+(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	974	+
	975	+
1013	1013	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1014	1014
1015	1015	(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
...	...	@@ -1021,13 +1021,18 @@
1021	1021
1022	1022	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1023	1023
1024		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
	987	+* (% style="color:#037691" %)**AT Command**
1025	1025
	989	+(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
	990	+
	991	+
1026	1026	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1027	1027
1028	1028	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1029	1029
1030	1030	(((
	997	+
	998	+
1031	1031	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1032	1032	)))
1033	1033
...	...	@@ -1042,9 +1042,8 @@
1042	1042
1043	1043
1044	1044	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	1013	+* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1045	1045
1046		-(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1047		-
1048	1048	(((
1049	1049	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1050	1050	)))
...	...	@@ -1051,14 +1051,10 @@
1051	1051
1052	1052	(((
1053	1053	01: Low,  00: High ,  11: No action
1054		-
1055		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1056		-|(% 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**
1057		-|02  01  00  11|Low|High|No Action
1058		-|02  00  11  01|High|No Action|Low
1059		-|02  11  01  00|No Action|Low|High
1060	1060	)))
1061	1061
	1023	+[[image:image-20220524092754-5.png]]
	1024	+
1062	1062	(((
1063	1063	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1064	1064	)))
...	...	@@ -1095,31 +1095,24 @@
1095	1095
1096	1096	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1097	1097
1098		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1099		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1100		-|0x01|DO1 set to low
1101		-|0x00|DO1 set to high
1102		-|0x11|DO1 NO Action
	1061	+[[image:image-20220524093238-6.png]]
1103	1103
	1063	+
1104	1104	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1105	1105
1106		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1107		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1108		-|0x01|DO2 set to low
1109		-|0x00|DO2 set to high
1110		-|0x11|DO2 NO Action
	1066	+[[image:image-20220524093328-7.png]]
1111	1111
	1068	+
1112	1112	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1113	1113
1114		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1115		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1116		-|0x01|DO3 set to low
1117		-|0x00|DO3 set to high
1118		-|0x11|DO3 NO Action
	1071	+[[image:image-20220524093351-8.png]]
1119	1119
1120		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1121	1121
	1074	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1122	1122
	1076	+ Latching time. Unit: ms
	1077	+
	1078	+
1123	1123	(% style="color:red" %)**Note: **
1124	1124
1125	1125	Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
...	...	@@ -1126,6 +1126,7 @@
1126	1126
1127	1127	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1128	1128
	1085	+
1129	1129	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1130	1130
1131	1131
...	...	@@ -1168,17 +1168,10 @@
1168	1168
1169	1169	(((
1170	1170	01: Close ,  00: Open , 11: No action
	1128	+)))
1171	1171
1172		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1173		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1174		-|03  00  11|Open|No Action
1175		-|03  01  11|Close|No Action
1176		-|03  11  00|No Action|Open
1177		-|03  11  01|No Action|Close
1178		-|03  00  00|Open|Open
1179		-|03  01  01|Close|Close
1180		-|03  01  00|Close|Open
1181		-|03  00  01|Open|Close
	1130	+(((
	1131	+[[image:image-20220524093724-9.png]]
1182	1182	)))
1183	1183
1184	1184	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1252,8 +1252,11 @@
1252	1252
1253	1253	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1254	1254
1255		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1205	+* (% style="color:#037691" %)**AT Command:**
1256	1256
	1207	+(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1208	+
	1209	+
1257	1257	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1258	1258
1259	1259	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1263,8 +1263,10 @@
1263	1263	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1264	1264
1265	1265
1266		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
	1219	+* (% style="color:#037691" %)**AT Command:**
1267	1267
	1221	+(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
	1222	+
1268	1268	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1269	1269
1270	1270	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1281,8 +1281,11 @@
1281	1281
1282	1282	Clear counting for counting mode
1283	1283
1284		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
	1239	+* (% style="color:#037691" %)**AT Command:**
1285	1285
	1241	+(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
	1242	+
	1243	+
1286	1286	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1287	1287
1288	1288	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1434,7 +1434,7 @@
1434	1434
1435	1435	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1436	1436
1437		-(% 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" %)
1438	1438
1439	1439	Search under The things network
1440	1440
...	...	@@ -1441,6 +1441,7 @@
1441	1441	[[image:1653356838789-523.png||height="337" width="740"]]
1442	1442
1443	1443
	1402	+
1444	1444	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1445	1445
1446	1446	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1472,12 +1472,12 @@
1472	1472
1473	1473
1474	1474	(((
1475		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1434	+The DI port of LT-22222-L can support NPN or PNP output sensor.
1476	1476	)))
1477	1477
1478	1478	(((
1479	1479	(((
1480		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
	1439	+Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1481	1481
1482	1482
1483	1483	)))
...	...	@@ -1585,15 +1585,6 @@
1585	1585	)))
1586	1586
1587	1587
1588		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1589		-
1590		-From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1591		-
1592		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1593		-
1594		-[[image:image-20230616235145-1.png]]
1595		-
1596		-
1597	1597	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1598	1598
1599	1599
...	...	@@ -1627,6 +1627,7 @@
1627	1627
1628	1628	**Black:  GND**
1629	1629
	1580	+
1630	1630	**Connection diagram:**
1631	1631
1632	1632	[[image:1653357640609-758.png]]
...	...	@@ -1634,22 +1634,6 @@
1634	1634	[[image:1653357648330-671.png||height="155" width="733"]]
1635	1635
1636	1636
1637		-Example connected to a regulated power supply to measure voltage
1638		-
1639		-[[image:image-20230608101532-1.png||height="606" width="447"]]
1640		-
1641		-[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1642		-
1643		-[[image:image-20230608101722-3.png||height="102" width="1139"]]
1644		-
1645		-
1646		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1647		-
1648		-(% style="color:red" %)**Red:  12~~24v**
1649		-
1650		-**Black:  GND**
1651		-
1652		-
1653	1653	=== 3.6.5 Relay Output ===
1654	1654
1655	1655
...	...	@@ -1668,43 +1668,9 @@
1668	1668	== 3.7 LEDs Indicators ==
1669	1669
1670	1670
1671		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1672		-|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1673		-|**PWR**|Always on if there is power
1674		-|**SYS**|(((
1675		-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.
1676		-)))
1677		-|**TX**|(((
1678		-(((
1679		-Device boot: TX blinks 5 times.
1680		-)))
	1606	+[[image:image-20220524100748-11.png]]
1681	1681
1682		-(((
1683		-Successful join network: TX ON for 5 seconds.
1684		-)))
1685	1685
1686		-(((
1687		-Transmit a LoRa packet: TX blinks once
1688		-)))
1689		-)))
1690		-|**RX**|RX blinks once when receive a packet.
1691		-|**DO1**|
1692		-|**DO2**|
1693		-|**DO3**|
1694		-|**DI2**|(((
1695		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696		-)))
1697		-|**DI2**|(((
1698		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1699		-)))
1700		-|**DI2**|(((
1701		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1702		-)))
1703		-|**RO1**|
1704		-|**RO2**|
1705		-
1706		-
1707		-
1708	1708	= 4. Use AT Command =
1709	1709
1710	1710	== 4.1 Access AT Command ==
...	...	@@ -2036,6 +2036,8 @@
2036	2036	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2037	2037
2038	2038	**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
	1940	+
	1941	+
2039	2039	)))
2040	2040
2041	2041	(((
...	...	@@ -2042,6 +2042,9 @@
2042	2042	[[image:1653359097980-169.png||height="188" width="729"]]
2043	2043	)))
2044	2044
	1948	+(((
	1949	+
	1950	+)))
2045	2045
2046	2046	=== 4.2.3 Change to Class A ===
2047	2047
...	...	@@ -2049,9 +2049,8 @@
2049	2049	(((
2050	2050	(% style="color:blue" %)**If sensor JOINED:**
2051	2051
2052		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2053		-
2054		-(% style="background-color:#dcdcdc" %)**ATZ**
	1958	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1959	+ATZ**
2055	2055	)))
2056	2056
2057	2057
...	...	@@ -2081,7 +2081,7 @@
2081	2081
2082	2082	(((
2083	2083	(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2084		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
	1989	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2085	2085	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2086	2086
2087	2087
...	...	@@ -2168,21 +2168,13 @@
2168	2168
2169	2169	(((
2170	2170	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2171		-
2172	2172	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2173		-
2174	2174	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2175		-
2176	2176	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2177		-
2178	2178	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2179		-
2180	2180	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2181		-
2182	2182	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2183		-
2184	2184	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2185		-
2186	2186	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2187	2187	)))
2188	2188
...	...	@@ -2194,20 +2194,14 @@
2194	2194	[[image:1653360498588-932.png||height="485" width="726"]]
2195	2195
2196	2196
2197		-== 6.4 How to change the uplink interval？ ==
	2094	+== 6.4 Can I see counting event in Serial? ==
2198	2198
2199	2199
2200		-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/]]
2201		-
2202		-
2203		-== 6.5 Can I see counting event in Serial? ==
2204		-
2205		-
2206	2206	(((
2207	2207	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.
2208	2208
2209	2209
2210		-== 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? ==
2211	2211
2212	2212
2213	2213	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]].
...	...	@@ -2216,7 +2216,7 @@
2216	2216	)))
2217	2217
2218	2218	(((
2219		-== 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? ==
2220	2220
2221	2221
2222	2222	If the device is not shut down, but directly powered off.
...	...	@@ -2228,7 +2228,7 @@
2228	2228	After restart, the status before power failure will be read from flash.
2229	2229
2230	2230
2231		-== 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? ==
2232	2232
2233	2233
2234	2234	LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
...	...	@@ -2237,7 +2237,7 @@
2237	2237	[[image:image-20221006170630-1.png||height="610" width="945"]]
2238	2238
2239	2239
2240		-== 6.9 Can LT22222-L save RO state? ==
	2131	+== 6.8 Can LT22222-L save RO state? ==
2241	2241
2242	2242
2243	2243	Firmware version needs to be no less than 1.6.0.
...	...	@@ -2328,7 +2328,7 @@
2328	2328	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.
2329	2329	)))
2330	2330	* (((
2331		-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]]
2332	2332
2333	2333
2334	2334

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