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	(((
...	...	@@ -204,11 +204,13 @@
204	204
205	205	* Smart Factory
206	206
	207	+
	208	+
207	207	== 1.5 Hardware Variants ==
208	208
209	209
210		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
211		-|(% 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**
212	212	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213	213	(% style="text-align:center" %)
214	214	[[image:image-20230424115112-1.png||height="106" width="58"]]
...	...	@@ -221,6 +221,8 @@
221	221	* 1 x Counting Port
222	222	)))
223	223
	226	+
	227	+
224	224	= 2. Power ON Device =
225	225
226	226
...	...	@@ -277,7 +277,7 @@
277	277	Each LT is shipped with a sticker with the default device EUI as below:
278	278	)))
279	279
280		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	284	+[[image:1653297924498-393.png]]
281	281
282	282
283	283	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
...	...	@@ -308,46 +308,31 @@
308	308	There are five working modes + one interrupt mode on LT for different type application:
309	309
310	310	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
311		-
312	312	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
313		-
314	314	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
315		-
316	316	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
317		-
318	318	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
319		-
320	320	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
321	321
	321	+
	322	+
322	322	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
323	323
324	324
325	325	(((
326		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
327		-
328		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
329		-|(% 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**
330		-|Value|(((
331		-AVI1 voltage
332		-)))|(((
333		-AVI2 voltage
334		-)))|(((
335		-ACI1 Current
336		-)))|(((
337		-ACI2 Current
338		-)))|DIDORO*|(((
339		-Reserve
340		-)))|MOD
	327	+The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
341	341	)))
342	342
	330	+[[image:image-20220523174024-3.png]]
	331	+
343	343	(((
344		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	333	+
345	345
346		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
347		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
348		-|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
349	349	)))
350	350
	338	+[[image:image-20220523174254-4.png]]
	339	+
351	351	* RO is for relay. ROx=1 : close，ROx=0 always open.
352	352	* DI is for digital input. DIx=1: high or float, DIx=0: low.
353	353	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -387,6 +387,8 @@
387	387	** DO1 is high in case there is load between DO1 and V+.
388	388	** DO1 LED is off in both case
389	389
	379	+
	380	+
390	390	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
391	391
392	392
...	...	@@ -396,24 +396,18 @@
396	396
397	397	(((
398	398	Total : 11 bytes payload
399		-
400		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
401		-|(% 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**
402		-|Value|COUNT1|COUNT2 |DIDORO*|(((
403		-Reserve
404		-)))|MOD
405	405	)))
406	406
407		-(((
408		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	392	+[[image:image-20220523180452-3.png]]
409	409
410		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
411		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
412		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
413	413
414		-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
415	415	)))
416	416
	399	+[[image:image-20220523180506-4.png]]
	400	+
	401	+* RO is for relay. ROx=1 : close，ROx=0 always open.
417	417	* FIRST: Indicate this is the first packet after join network.
418	418	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
419	419
...	...	@@ -422,28 +422,36 @@
422	422	)))
423	423
424	424	(((
	410	+
	411	+
425	425	**To use counting mode, please run:**
426	426	)))
427	427
428		-
429		-(((
430	430	(% class="box infomessage" %)
431	431	(((
	417	+(((
	418	+(((
432	432	**AT+MOD=2**
	420	+)))
433	433
	422	+(((
434	434	**ATZ**
435	435	)))
436	436	)))
	426	+)))
437	437
438	438	(((
439	439
440	440
441	441	(% style="color:#4f81bd" %)**AT Commands for counting:**
	432	+
	433	+
442	442	)))
443	443
444	444	(((
445	445	**For LT22222-L:**
446	446
	439	+
447	447	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
448	448
449	449	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -463,22 +463,16 @@
463	463
464	464	**LT22222-L**: This mode the DI1 is used as a counting pin.
465	465
466		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
467		-|(% 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**
468		-|Value|COUNT1|(((
469		-ACI1 Current
470		-)))|(((
471		-ACI2 Current
472		-)))|DIDORO*|Reserve|MOD
	459	+[[image:image-20220523181246-5.png]]
473	473
474	474	(((
475		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	462	+
476	476
477		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
478		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
479		-|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
480	480	)))
481	481
	467	+[[image:image-20220523181301-6.png]]
	468	+
482	482	* RO is for relay. ROx=1 : close，ROx=0 always open.
483	483	* FIRST: Indicate this is the first packet after join network.
484	484	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -492,14 +492,18 @@
492	492	**To use counting mode, please run:**
493	493	)))
494	494
495		-(((
496	496	(% class="box infomessage" %)
497	497	(((
	484	+(((
	485	+(((
498	498	**AT+MOD=3**
	487	+)))
499	499
	489	+(((
500	500	**ATZ**
501	501	)))
502	502	)))
	493	+)))
503	503
504	504	(((
505	505	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -515,22 +515,17 @@
515	515
516	516	(((
517	517	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.
518		-
519		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
520		-|(% 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**
521		-|Value|COUNT1|AVI1 Counting|DIDORO*|(((
522		-Reserve
523		-)))|MOD
524	524	)))
525	525
	511	+[[image:image-20220523181903-8.png]]
	512	+
	513	+
526	526	(((
527	527	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
528		-
529		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
531		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
532	532	)))
533	533
	518	+[[image:image-20220523181727-7.png]]
	519	+
534	534	* RO is for relay. ROx=1 : close，ROx=0 always open.
535	535	* FIRST: Indicate this is the first packet after join network.
536	536	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -537,30 +537,38 @@
537	537
538	538	(((
539	539	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
540		-
541		-
542	542	)))
543	543
544	544	(((
	529	+
	530	+
545	545	**To use this mode, please run:**
546	546	)))
547	547
548		-(((
549	549	(% class="box infomessage" %)
550	550	(((
	536	+(((
	537	+(((
551	551	**AT+MOD=4**
	539	+)))
552	552
	541	+(((
553	553	**ATZ**
554	554	)))
555	555	)))
	545	+)))
556	556
	547	+
557	557	(((
558	558	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
559	559	)))
560	560
561	561	(((
	553	+
	554	+
562	562	**Plus below command for AVI1 Counting:**
563	563
	557	+
564	564	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
565	565
566	566	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -576,24 +576,12 @@
576	576
577	577	**LT22222-L**: This mode the DI1 is used as a counting pin.
578	578
579		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
580		-|(% 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**
581		-|Value|(((
582		-AVI1 voltage
583		-)))|(((
584		-AVI2 voltage
585		-)))|(((
586		-ACI1 Current
587		-)))|COUNT1|DIDORO*|(((
588		-Reserve
589		-)))|MOD
	573	+[[image:image-20220523182334-9.png]]
590	590
591	591	(((
592		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	576	+
593	593
594		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
595		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
596		-|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
597	597	)))
598	598
599	599	* RO is for relay. ROx=1 : close，ROx=0 always open.
...	...	@@ -607,17 +607,23 @@
607	607	)))
608	608
609	609	(((
	592	+
	593	+
610	610	**To use this mode, please run:**
611	611	)))
612	612
613		-(((
614	614	(% class="box infomessage" %)
615	615	(((
	599	+(((
	600	+(((
616	616	**AT+MOD=5**
	602	+)))
617	617
	604	+(((
618	618	**ATZ**
619	619	)))
620	620	)))
	608	+)))
621	621
622	622	(((
623	623	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -712,39 +712,12 @@
712	712
713	713	MOD6 Payload : total 11 bytes payload
714	714
715		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
716		-|(% 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**
717		-|Value|(((
718		-TRI_A FLAG
719		-)))|(((
720		-TRI_A Status
721		-)))|(((
722		-TRI_DI FLAG+STA
723		-)))|Reserve|Enable/Disable MOD6|(((
724		-MOD(6)
725		-)))
	703	+[[image:image-20220524085923-1.png]]
726	726
	705	+
727	727	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
728	728
729		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
730		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
731		-|(((
732		-AV1_LOW
733		-)))|(((
734		-AV1_HIGH
735		-)))|(((
736		-AV2_LOW
737		-)))|(((
738		-AV2_HIGH
739		-)))|(((
740		-AC1_LOW
741		-)))|(((
742		-AC1_HIGH
743		-)))|(((
744		-AC2_LOW
745		-)))|(((
746		-AC2_HIGH
747		-)))
	708	+[[image:image-20220524090106-2.png]]
748	748
749	749	* Each bits shows if the corresponding trigger has been configured.
750	750
...	...	@@ -753,27 +753,10 @@
753	753	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
754	754
755	755
	717	+
756	756	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
757	757
758		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
759		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
760		-|(((
761		-AV1_LOW
762		-)))|(((
763		-AV1_HIGH
764		-)))|(((
765		-AV2_LOW
766		-)))|(((
767		-AV2_HIGH
768		-)))|(((
769		-AC1_LOW
770		-)))|(((
771		-AC1_HIGH
772		-)))|(((
773		-AC2_LOW
774		-)))|(((
775		-AC2_HIGH
776		-)))
	720	+[[image:image-20220524090249-3.png]]
777	777
778	778	* Each bits shows which status has been trigger on this uplink.
779	779
...	...	@@ -784,9 +784,7 @@
784	784
785	785	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
786	786
787		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
788		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
789		-|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
	731	+[[image:image-20220524090456-4.png]]
790	790
791	791	* Each bits shows which status has been trigger on this uplink.
792	792
...	...	@@ -832,6 +832,8 @@
832	832
833	833	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
834	834
	777	+
	778	+
835	835	=== 3.4.1 Common Commands ===
836	836
837	837
...	...	@@ -866,10 +866,14 @@
866	866
867	867	Set work mode.
868	868
869		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	813	+* (% style="color:#037691" %)**AT Command:**
870	870
	815	+(% style="color:blue" %)**AT+MOD=N  **
	816	+
	817	+
871	871	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
872	872
	820	+
873	873	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
874	874
875	875	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -879,12 +879,16 @@
879	879	==== 3.4.2.3 Poll an uplink ====
880	880
881	881
882		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	830	+* (% style="color:#037691" %)**AT Command:**
883	883
	832	+There is no AT Command to poll uplink
	833	+
	834	+
884	884	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
885	885
886	886	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
887	887
	839	+
888	888	**Example**: 0x08FF, ask device to send an Uplink
889	889
890	890
...	...	@@ -894,8 +894,10 @@
894	894
895	895	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
896	896
897		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	849	+* (% style="color:#037691" %)**AT Command:**
898	898
	851	+(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	852	+
899	899	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
900	900
901	901	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -910,12 +910,13 @@
910	910	==== 3.4.2.5 Poll trigger settings ====
911	911
912	912
913		-Poll trigger settings
	867	+Poll trigger settings,
914	914
915	915	* (% style="color:#037691" %)**AT Command:**
916	916
917	917	There is no AT Command for this feature.
918	918
	873	+
919	919	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
920	920
921	921	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -927,11 +927,15 @@
927	927
928	928	Enable Disable DI1/DI2/DI2 as trigger,
929	929
930		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	885	+* (% style="color:#037691" %)**AT Command:**
931	931
932		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	887	+(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
933	933
934	934
	890	+**Example:**
	891	+
	892	+AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	893	+
935	935	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
936	936
937	937	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -943,15 +943,20 @@
943	943
944	944	Set DI1 or DI3(for LT-33222-L) trigger.
945	945
946		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
	905	+* (% style="color:#037691" %)**AT Command:**
947	947
	907	+(% style="color:blue" %)**AT+TRIG1=a,b**
	908	+
948	948	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
949	949
950	950	(% style="color:red" %)**b :** (%%)delay timing.
951	951
952		-**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
953	953
	914	+**Example:**
954	954
	916	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
	917	+
	918	+
955	955	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
956	956
957	957	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -963,15 +963,20 @@
963	963
964	964	Set DI2 trigger.
965	965
966		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
	930	+* (% style="color:#037691" %)**AT Command:**
967	967
	932	+(% style="color:blue" %)**AT+TRIG2=a,b**
	933	+
968	968	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
969	969
970	970	(% style="color:red" %)**b :** (%%)delay timing.
971	971
972		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
973	973
	939	+**Example:**
974	974
	941	+AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	942	+
	943	+
975	975	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
976	976
977	977	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -983,8 +983,11 @@
983	983
984	984	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985	985
986		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
	955	+* (% style="color:#037691" %)**AT Command**
987	987
	957	+(% style="color:blue" %)**AT+ACLIM**
	958	+
	959	+
988	988	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
989	989
990	990	(% 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"]]
...	...	@@ -996,8 +996,11 @@
996	996
997	997	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
998	998
999		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	971	+* (% style="color:#037691" %)**AT Command**
1000	1000
	973	+(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	974	+
	975	+
1001	1001	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1002	1002
1003	1003	(% 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"]]
...	...	@@ -1009,13 +1009,18 @@
1009	1009
1010	1010	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1011	1011
1012		-* (% 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**
1013	1013
	989	+(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
	990	+
	991	+
1014	1014	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1015	1015
1016	1016	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1017	1017
1018	1018	(((
	997	+
	998	+
1019	1019	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1020	1020	)))
1021	1021
...	...	@@ -1030,9 +1030,8 @@
1030	1030
1031	1031
1032	1032	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	1013	+* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1033	1033
1034		-(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1035		-
1036	1036	(((
1037	1037	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1038	1038	)))
...	...	@@ -1039,14 +1039,10 @@
1039	1039
1040	1040	(((
1041	1041	01: Low,  00: High ,  11: No action
1042		-
1043		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1044		-|(% 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**
1045		-|02  01  00  11|Low|High|No Action
1046		-|02  00  11  01|High|No Action|Low
1047		-|02  11  01  00|No Action|Low|High
1048	1048	)))
1049	1049
	1023	+[[image:image-20220524092754-5.png]]
	1024	+
1050	1050	(((
1051	1051	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1052	1052	)))
...	...	@@ -1083,31 +1083,24 @@
1083	1083
1084	1084	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1085	1085
1086		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1087		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1088		-|0x01|DO1 set to low
1089		-|0x00|DO1 set to high
1090		-|0x11|DO1 NO Action
	1061	+[[image:image-20220524093238-6.png]]
1091	1091
	1063	+
1092	1092	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1093	1093
1094		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1095		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1096		-|0x01|DO2 set to low
1097		-|0x00|DO2 set to high
1098		-|0x11|DO2 NO Action
	1066	+[[image:image-20220524093328-7.png]]
1099	1099
	1068	+
1100	1100	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1101	1101
1102		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1103		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1104		-|0x01|DO3 set to low
1105		-|0x00|DO3 set to high
1106		-|0x11|DO3 NO Action
	1071	+[[image:image-20220524093351-8.png]]
1107	1107
1108		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1109	1109
	1074	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1110	1110
	1076	+ Latching time. Unit: ms
	1077	+
	1078	+
1111	1111	(% style="color:red" %)**Note: **
1112	1112
1113	1113	Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
...	...	@@ -1114,6 +1114,7 @@
1114	1114
1115	1115	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1116	1116
	1085	+
1117	1117	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1118	1118
1119	1119
...	...	@@ -1156,17 +1156,10 @@
1156	1156
1157	1157	(((
1158	1158	01: Close ,  00: Open , 11: No action
	1128	+)))
1159	1159
1160		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1161		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1162		-|03  00  11|Open|No Action
1163		-|03  01  11|Close|No Action
1164		-|03  11  00|No Action|Open
1165		-|03  11  01|No Action|Close
1166		-|03  00  00|Open|Open
1167		-|03  01  01|Close|Close
1168		-|03  01  00|Close|Open
1169		-|03  00  01|Open|Close
	1130	+(((
	1131	+[[image:image-20220524093724-9.png]]
1170	1170	)))
1171	1171
1172	1172	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1240,8 +1240,11 @@
1240	1240
1241	1241	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1242	1242
1243		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1205	+* (% style="color:#037691" %)**AT Command:**
1244	1244
	1207	+(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1208	+
	1209	+
1245	1245	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246	1246
1247	1247	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1251,8 +1251,10 @@
1251	1251	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1252	1252
1253	1253
1254		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
	1219	+* (% style="color:#037691" %)**AT Command:**
1255	1255
	1221	+(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
	1222	+
1256	1256	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1257	1257
1258	1258	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1269,8 +1269,11 @@
1269	1269
1270	1270	Clear counting for counting mode
1271	1271
1272		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
	1239	+* (% style="color:#037691" %)**AT Command:**
1273	1273
	1241	+(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
	1242	+
	1243	+
1274	1274	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1275	1275
1276	1276	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1422,7 +1422,7 @@
1422	1422
1423	1423	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1424	1424
1425		-(% 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" %)
1426	1426
1427	1427	Search under The things network
1428	1428
...	...	@@ -1461,12 +1461,12 @@
1461	1461
1462	1462
1463	1463	(((
1464		-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.
1465	1465	)))
1466	1466
1467	1467	(((
1468	1468	(((
1469		-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.
1470	1470
1471	1471
1472	1472	)))
...	...	@@ -1574,16 +1574,6 @@
1574	1574	)))
1575	1575
1576	1576
1577		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1578		-
1579		-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.
1580		-
1581		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1582		-
1583		-[[image:image-20230616235145-1.png]]
1584		-
1585		-
1586		-
1587	1587	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1588	1588
1589	1589
...	...	@@ -1617,6 +1617,7 @@
1617	1617
1618	1618	**Black:  GND**
1619	1619
	1580	+
1620	1620	**Connection diagram:**
1621	1621
1622	1622	[[image:1653357640609-758.png]]
...	...	@@ -1624,22 +1624,6 @@
1624	1624	[[image:1653357648330-671.png||height="155" width="733"]]
1625	1625
1626	1626
1627		-Example connected to a regulated power supply to measure voltage
1628		-
1629		-[[image:image-20230608101532-1.png||height="606" width="447"]]
1630		-
1631		-[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1632		-
1633		-[[image:image-20230608101722-3.png||height="102" width="1139"]]
1634		-
1635		-
1636		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1637		-
1638		-(% style="color:red" %)**Red:  12~~24v**
1639		-
1640		-**Black:  GND**
1641		-
1642		-
1643	1643	=== 3.6.5 Relay Output ===
1644	1644
1645	1645
...	...	@@ -1658,41 +1658,9 @@
1658	1658	== 3.7 LEDs Indicators ==
1659	1659
1660	1660
1661		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1662		-|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1663		-|**PWR**|Always on if there is power
1664		-|**SYS**|(((
1665		-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.
1666		-)))
1667		-|**TX**|(((
1668		-(((
1669		-Device boot: TX blinks 5 times.
1670		-)))
	1606	+[[image:image-20220524100748-11.png]]
1671	1671
1672		-(((
1673		-Successful join network: TX ON for 5 seconds.
1674		-)))
1675	1675
1676		-(((
1677		-Transmit a LoRa packet: TX blinks once
1678		-)))
1679		-)))
1680		-|**RX**|RX blinks once when receive a packet.
1681		-|**DO1**|
1682		-|**DO2**|
1683		-|**DO3**|
1684		-|**DI2**|(((
1685		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1686		-)))
1687		-|**DI2**|(((
1688		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1689		-)))
1690		-|**DI2**|(((
1691		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1692		-)))
1693		-|**RO1**|
1694		-|**RO2**|
1695		-
1696	1696	= 4. Use AT Command =
1697	1697
1698	1698	== 4.1 Access AT Command ==
...	...	@@ -2024,6 +2024,8 @@
2024	2024	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2025	2025
2026	2026	**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	+
2027	2027	)))
2028	2028
2029	2029	(((
...	...	@@ -2030,6 +2030,9 @@
2030	2030	[[image:1653359097980-169.png||height="188" width="729"]]
2031	2031	)))
2032	2032
	1948	+(((
	1949	+
	1950	+)))
2033	2033
2034	2034	=== 4.2.3 Change to Class A ===
2035	2035
...	...	@@ -2037,9 +2037,8 @@
2037	2037	(((
2038	2038	(% style="color:blue" %)**If sensor JOINED:**
2039	2039
2040		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2041		-
2042		-(% style="background-color:#dcdcdc" %)**ATZ**
	1958	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1959	+ATZ**
2043	2043	)))
2044	2044
2045	2045
...	...	@@ -2069,7 +2069,7 @@
2069	2069
2070	2070	(((
2071	2071	(% 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]].
2072		-(% 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]].
2073	2073	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2074	2074
2075	2075
...	...	@@ -2156,21 +2156,13 @@
2156	2156
2157	2157	(((
2158	2158	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2159		-
2160	2160	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2161		-
2162	2162	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2163		-
2164	2164	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2165		-
2166	2166	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2167		-
2168	2168	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2169		-
2170	2170	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2171		-
2172	2172	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2173		-
2174	2174	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2175	2175	)))
2176	2176
...	...	@@ -2182,20 +2182,14 @@
2182	2182	[[image:1653360498588-932.png||height="485" width="726"]]
2183	2183
2184	2184
2185		-== 6.4 How to change the uplink interval？ ==
	2094	+== 6.4 Can I see counting event in Serial? ==
2186	2186
2187	2187
2188		-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/]]
2189		-
2190		-
2191		-== 6.5 Can I see counting event in Serial? ==
2192		-
2193		-
2194	2194	(((
2195	2195	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.
2196	2196
2197	2197
2198		-== 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? ==
2199	2199
2200	2200
2201	2201	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]].
...	...	@@ -2204,7 +2204,7 @@
2204	2204	)))
2205	2205
2206	2206	(((
2207		-== 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? ==
2208	2208
2209	2209
2210	2210	If the device is not shut down, but directly powered off.
...	...	@@ -2216,7 +2216,7 @@
2216	2216	After restart, the status before power failure will be read from flash.
2217	2217
2218	2218
2219		-== 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? ==
2220	2220
2221	2221
2222	2222	LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
...	...	@@ -2225,7 +2225,7 @@
2225	2225	[[image:image-20221006170630-1.png||height="610" width="945"]]
2226	2226
2227	2227
2228		-== 6.9 Can LT22222-L save RO state? ==
	2131	+== 6.8 Can LT22222-L save RO state? ==
2229	2229
2230	2230
2231	2231	Firmware version needs to be no less than 1.6.0.
...	...	@@ -2316,7 +2316,7 @@
2316	2316	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.
2317	2317	)))
2318	2318	* (((
2319		-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]]
2320	2320
2321	2321
2322	2322

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