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

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Author

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1		-XWiki.Bei
	1	+XWiki.Xiaoling

Content

...	...	@@ -15,7 +15,6 @@
15	15
16	16	= 1.Introduction =
17	17
18		-
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
...	...	@@ -27,7 +27,7 @@
27	27	)))
28	28
29	29	(((
30		-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.
	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.
31	31	)))
32	32
33	33	(((
...	...	@@ -54,7 +54,6 @@
54	54
55	55	)))
56	56
57		-
58	58	== 1.2  Specifications ==
59	59
60	60	(((
...	...	@@ -64,7 +64,7 @@
64	64	)))
65	65
66	66	* (((
67		-STM32L072CZT6 MCU
	65	+STM32L072xxxx MCU
68	68	)))
69	69	* (((
70	70	SX1276/78 Wireless Chip
...	...	@@ -171,7 +171,6 @@
171	171	Packet engine up to 256 bytes with CRC.
172	172
173	173
174		-
175	175
176	176	)))
177	177
...	...	@@ -179,31 +179,43 @@
179	179
180	180
181	181	* LoRaWAN Class A & Class C protocol
	179	+
182	182	* Optional Customized LoRa Protocol
	181	+
183	183	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
	183	+
184	184	* AT Commands to change parameters
	185	+
185	185	* Remote configure parameters via LoRa Downlink
	187	+
186	186	* Firmware upgradable via program port
	189	+
187	187	* Counting
188	188
189		-
190	190	== 1.4  Applications ==
191	191
192	192
193	193	* Smart Buildings & Home Automation
	196	+
194	194	* Logistics and Supply Chain Management
	198	+
195	195	* Smart Metering
	200	+
196	196	* Smart Agriculture
	202	+
197	197	* Smart Cities
	204	+
198	198	* Smart Factory
199	199
200		-
201	201	== 1.5 Hardware Variants ==
202	202
203	203
204		-(% border="1" style="background-color:#f7faff; width:500px" %)
205		-|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
206		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
	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:334px" %)**Description**
	212	+|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
	213	+(% style="text-align:center" %)
	214	+[[image:image-20230424115112-1.png||height="106" width="58"]]
	215	+)))|(% style="width:334px" %)(((
207	207	* 2 x Digital Input (Bi-direction)
208	208	* 2 x Digital Output
209	209	* 2 x Relay Output (5A@250VAC / 30VDC)
...	...	@@ -212,7 +212,6 @@
212	212	* 1 x Counting Port
213	213	)))
214	214
215		-
216	216	= 2. Power ON Device =
217	217
218	218
...	...	@@ -229,10 +229,8 @@
229	229	[[image:1653297104069-180.png]]
230	230
231	231
232		-
233	233	= 3. Operation Mode =
234	234
235		-
236	236	== 3.1 How it works? ==
237	237
238	238
...	...	@@ -245,7 +245,6 @@
245	245	)))
246	246
247	247
248		-
249	249	== 3.2 Example to join LoRaWAN network ==
250	250
251	251
...	...	@@ -272,7 +272,7 @@
272	272	Each LT is shipped with a sticker with the default device EUI as below:
273	273	)))
274	274
275		-[[image:1653297924498-393.png]]
	280	+[[image:image-20230425173427-2.png||height="246" width="530"]]
276	276
277	277
278	278	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
...	...	@@ -297,7 +297,6 @@
297	297	[[image:1653298044601-602.png||height="405" width="709"]]
298	298
299	299
300		-
301	301	== 3.3 Uplink Payload ==
302	302
303	303
...	...	@@ -304,31 +304,46 @@
304	304	There are five working modes + one interrupt mode on LT for different type application:
305	305
306	306	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	311	+
307	307	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	313	+
308	308	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	315	+
309	309	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	317	+
310	310	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	319	+
311	311	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
312	312
313		-
314		-
315	315	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
316	316
317	317
318	318	(((
319		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	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:520px" %)
	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
320	320	)))
321	321
322		-[[image:image-20220523174024-3.png]]
323		-
324	324	(((
325		-
326		-
327	327	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	345	+
	346	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	347	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	348	+|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
328	328	)))
329	329
330		-[[image:image-20220523174254-4.png]]
331		-
332	332	* RO is for relay. ROx=1 : close，ROx=0 always open.
333	333	* DI is for digital input. DIx=1: high or float, DIx=0: low.
334	334	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -368,8 +368,6 @@
368	368	** DO1 is high in case there is load between DO1 and V+.
369	369	** DO1 LED is off in both case
370	370
371		-
372		-
373	373	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374	374
375	375
...	...	@@ -379,18 +379,24 @@
379	379
380	380	(((
381	381	Total : 11 bytes payload
	399	+
	400	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	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
382	382	)))
383	383
384		-[[image:image-20220523180452-3.png]]
385		-
386		-
387	387	(((
388	388	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
389		-)))
390	390
391		-[[image:image-20220523180506-4.png]]
	410	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	411	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	412	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
392	392
393		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	414	+RO is for relay. ROx=1 : close，ROx=0 always open.
	415	+)))
	416	+
394	394	* FIRST: Indicate this is the first packet after join network.
395	395	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
396	396
...	...	@@ -421,14 +421,11 @@
421	421
422	422
423	423	(% style="color:#4f81bd" %)**AT Commands for counting:**
424		-
425		-
426	426	)))
427	427
428	428	(((
429	429	**For LT22222-L:**
430	430
431		-
432	432	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
433	433
434	434	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -443,22 +443,27 @@
443	443	)))
444	444
445	445
446		-
447	447	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
448	448
449	449
450	450	**LT22222-L**: This mode the DI1 is used as a counting pin.
451	451
452		-[[image:image-20220523181246-5.png]]
	471	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	472	+|(% 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**
	473	+|Value|COUNT1|(((
	474	+ACI1 Current
	475	+)))|(((
	476	+ACI2 Current
	477	+)))|DIDORO*|Reserve|MOD
453	453
454	454	(((
455		-
456		-
457	457	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	481	+
	482	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	483	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	484	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
458	458	)))
459	459
460		-[[image:image-20220523181301-6.png]]
461		-
462	462	* RO is for relay. ROx=1 : close，ROx=0 always open.
463	463	* FIRST: Indicate this is the first packet after join network.
464	464	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -490,7 +490,6 @@
490	490	)))
491	491
492	492
493		-
494	494	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
495	495
496	496
...	...	@@ -500,17 +500,22 @@
500	500
501	501	(((
502	502	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.
	527	+
	528	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	529	+|(% 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**
	530	+|Value|COUNT1|AVI1 Counting|DIDORO*|(((
	531	+Reserve
	532	+)))|MOD
503	503	)))
504	504
505		-[[image:image-20220523181903-8.png]]
506		-
507		-
508	508	(((
509	509	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	537	+
	538	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	539	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	540	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
510	510	)))
511	511
512		-[[image:image-20220523181727-7.png]]
513		-
514	514	* RO is for relay. ROx=1 : close，ROx=0 always open.
515	515	* FIRST: Indicate this is the first packet after join network.
516	516	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -544,11 +544,8 @@
544	544	)))
545	545
546	546	(((
547		-
548		-
549	549	**Plus below command for AVI1 Counting:**
550	550
551		-
552	552	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
553	553
554	554	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -559,18 +559,29 @@
559	559	)))
560	560
561	561
562		-
563	563	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
564	564
565	565
566	566	**LT22222-L**: This mode the DI1 is used as a counting pin.
567	567
568		-[[image:image-20220523182334-9.png]]
	593	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	594	+|(% 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**
	595	+|Value|(((
	596	+AVI1 voltage
	597	+)))|(((
	598	+AVI2 voltage
	599	+)))|(((
	600	+ACI1 Current
	601	+)))|COUNT1|DIDORO*|(((
	602	+Reserve
	603	+)))|MOD
569	569
570	570	(((
571		-
572		-
573	573	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	607	+
	608	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	609	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	610	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
574	574	)))
575	575
576	576	* RO is for relay. ROx=1 : close，ROx=0 always open.
...	...	@@ -607,7 +607,6 @@
607	607	)))
608	608
609	609
610		-
611	611	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
612	612
613	613
...	...	@@ -662,7 +662,6 @@
662	662	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
663	663
664	664
665		-
666	666	(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
667	667
668	668	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
...	...	@@ -697,12 +697,39 @@
697	697
698	698	MOD6 Payload : total 11 bytes payload
699	699
700		-[[image:image-20220524085923-1.png]]
	735	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	736	+|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
	737	+|Value|(((
	738	+TRI_A FLAG
	739	+)))|(((
	740	+TRI_A Status
	741	+)))|(((
	742	+TRI_DI FLAG+STA
	743	+)))|Reserve|Enable/Disable MOD6|(((
	744	+MOD(6)
	745	+)))
701	701
702		-
703	703	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
704	704
705		-[[image:image-20220524090106-2.png]]
	749	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	750	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	751	+|(((
	752	+AV1_LOW
	753	+)))|(((
	754	+AV1_HIGH
	755	+)))|(((
	756	+AV2_LOW
	757	+)))|(((
	758	+AV2_HIGH
	759	+)))|(((
	760	+AC1_LOW
	761	+)))|(((
	762	+AC1_HIGH
	763	+)))|(((
	764	+AC2_LOW
	765	+)))|(((
	766	+AC2_HIGH
	767	+)))
706	706
707	707	* Each bits shows if the corresponding trigger has been configured.
708	708
...	...	@@ -711,10 +711,27 @@
711	711	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
712	712
713	713
714		-
715	715	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
716	716
717		-[[image:image-20220524090249-3.png]]
	778	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	779	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	780	+|(((
	781	+AV1_LOW
	782	+)))|(((
	783	+AV1_HIGH
	784	+)))|(((
	785	+AV2_LOW
	786	+)))|(((
	787	+AV2_HIGH
	788	+)))|(((
	789	+AC1_LOW
	790	+)))|(((
	791	+AC1_HIGH
	792	+)))|(((
	793	+AC2_LOW
	794	+)))|(((
	795	+AC2_HIGH
	796	+)))
718	718
719	719	* Each bits shows which status has been trigger on this uplink.
720	720
...	...	@@ -723,10 +723,11 @@
723	723	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
724	724
725	725
726		-
727	727	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
728	728
729		-[[image:image-20220524090456-4.png]]
	807	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	808	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	809	+|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
730	730
731	731	* Each bits shows which status has been trigger on this uplink.
732	732
...	...	@@ -737,7 +737,6 @@
737	737	00000101: Means both DI1 and DI2 trigger are enabled.
738	738
739	739
740		-
741	741	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
742	742
743	743	Downlink command to poll MOD6 status:
...	...	@@ -747,7 +747,6 @@
747	747	When device got this command, it will send the MOD6 payload.
748	748
749	749
750		-
751	751	=== 3.3.7 Payload Decoder ===
752	752
753	753	(((
...	...	@@ -757,7 +757,6 @@
757	757	)))
758	758
759	759
760		-
761	761	== 3.4 ​Configure LT via AT or Downlink ==
762	762
763	763
...	...	@@ -775,7 +775,6 @@
775	775
776	776	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
777	777
778		-
779	779	=== 3.4.1 Common Commands ===
780	780
781	781
...	...	@@ -784,10 +784,8 @@
784	784	)))
785	785
786	786
787		-
788	788	=== 3.4.2 Sensor related commands ===
789	789
790		-
791	791	==== 3.4.2.1 Set Transmit Interval ====
792	792
793	793
...	...	@@ -812,14 +812,10 @@
812	812
813	813	Set work mode.
814	814
815		-* (% style="color:#037691" %)**AT Command:**
	889	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
816	816
817		-(% style="color:blue" %)**AT+MOD=N  **
818		-
819		-
820	820	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
821	821
822		-
823	823	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
824	824
825	825	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -829,16 +829,12 @@
829	829	==== 3.4.2.3 Poll an uplink ====
830	830
831	831
832		-* (% style="color:#037691" %)**AT Command:**
	902	+* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
833	833
834		-There is no AT Command to poll uplink
835		-
836		-
837	837	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
838	838
839	839	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
840	840
841		-
842	842	**Example**: 0x08FF, ask device to send an Uplink
843	843
844	844
...	...	@@ -848,10 +848,8 @@
848	848
849	849	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
850	850
851		-* (% style="color:#037691" %)**AT Command:**
	917	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
852	852
853		-(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
854		-
855	855	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
856	856
857	857	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -863,17 +863,15 @@
863	863
864	864
865	865
866		-
867	867	==== 3.4.2.5 Poll trigger settings ====
868	868
869	869
870		-Poll trigger settings,
	933	+Poll trigger settings
871	871
872	872	* (% style="color:#037691" %)**AT Command:**
873	873
874	874	There is no AT Command for this feature.
875	875
876		-
877	877	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
878	878
879	879	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -885,15 +885,11 @@
885	885
886	886	Enable Disable DI1/DI2/DI2 as trigger,
887	887
888		-* (% style="color:#037691" %)**AT Command:**
	950	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
889	889
890		-(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	952	+**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
891	891
892	892
893		-**Example:**
894		-
895		-AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
896		-
897	897	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
898	898
899	899	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -905,20 +905,15 @@
905	905
906	906	Set DI1 or DI3(for LT-33222-L) trigger.
907	907
908		-* (% style="color:#037691" %)**AT Command:**
	966	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
909	909
910		-(% style="color:blue" %)**AT+TRIG1=a,b**
911		-
912	912	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
913	913
914	914	(% style="color:red" %)**b :** (%%)delay timing.
915	915
	972	+**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
916	916
917		-**Example:**
918	918
919		-AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
920		-
921		-
922	922	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
923	923
924	924	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -930,23 +930,18 @@
930	930
931	931	Set DI2 trigger.
932	932
933		-* (% style="color:#037691" %)**AT Command:**
	986	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
934	934
935		-(% style="color:blue" %)**AT+TRIG2=a,b**
936		-
937	937	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
938	938
939	939	(% style="color:red" %)**b :** (%%)delay timing.
940	940
	992	+**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
941	941
942		-**Example:**
943	943
944		-AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
945		-
946		-
947	947	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
948	948
949		-(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
	997	+(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
950	950
951	951
952	952
...	...	@@ -955,11 +955,8 @@
955	955
956	956	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
957	957
958		-* (% style="color:#037691" %)**AT Command**
	1006	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
959	959
960		-(% style="color:blue" %)**AT+ACLIM**
961		-
962		-
963	963	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
964	964
965	965	(% 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"]]
...	...	@@ -971,11 +971,8 @@
971	971
972	972	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
973	973
974		-* (% style="color:#037691" %)**AT Command**
	1019	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
975	975
976		-(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
977		-
978		-
979	979	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
980	980
981	981	(% 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"]]
...	...	@@ -987,18 +987,13 @@
987	987
988	988	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
989	989
990		-* (% style="color:#037691" %)**AT Command**
	1032	+* (% 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.
991	991
992		-(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
993		-
994		-
995	995	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
996	996
997	997	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
998	998
999	999	(((
1000		-
1001		-
1002	1002	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1003	1003	)))
1004	1004
...	...	@@ -1013,8 +1013,9 @@
1013	1013
1014	1014
1015	1015	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1016		-* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1017	1017
	1054	+(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
	1055	+
1018	1018	(((
1019	1019	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1020	1020	)))
...	...	@@ -1021,10 +1021,14 @@
1021	1021
1022	1022	(((
1023	1023	01: Low,  00: High ,  11: No action
	1062	+
	1063	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1064	+|(% 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**
	1065	+|02  01  00  11|Low|High|No Action
	1066	+|02  00  11  01|High|No Action|Low
	1067	+|02  11  01  00|No Action|Low|High
1024	1024	)))
1025	1025
1026		-[[image:image-20220524092754-5.png]]
1027		-
1028	1028	(((
1029	1029	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1030	1030	)))
...	...	@@ -1061,23 +1061,37 @@
1061	1061
1062	1062	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1063	1063
1064		-[[image:image-20220524093238-6.png]]
	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|DO1 set to low
	1109	+|0x00|DO1 set to high
	1110	+|0x11|DO1 NO Action
1065	1065
1066		-
1067	1067	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1068	1068
1069		-[[image:image-20220524093328-7.png]]
	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|DO2 set to low
	1117	+|0x00|DO2 set to high
	1118	+|0x11|DO2 NO Action
1070	1070
1071		-
1072	1072	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1073	1073
1074		-[[image:image-20220524093351-8.png]]
	1122	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1123	+|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
	1124	+|0x01|DO3 set to low
	1125	+|0x00|DO3 set to high
	1126	+|0x11|DO3 NO Action
1075	1075
	1128	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1076	1076
1077		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1078	1078
1079		- Latching time. Unit: ms
	1131	+(% style="color:red" %)**Note: **
1080	1080
	1133	+ Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
	1134	+
	1135	+ Before Firmwre v1.6.0 the latch time only suport 2 bytes.
	1136	+
1081	1081	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1082	1082
1083	1083
...	...	@@ -1101,7 +1101,7 @@
1101	1101
1102	1102
1103	1103
1104		-==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
	1160	+==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1105	1105
1106	1106
1107	1107	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1120,10 +1120,17 @@
1120	1120
1121	1121	(((
1122	1122	01: Close ,  00: Open , 11: No action
1123		-)))
1124	1124
1125		-(((
1126		-[[image:image-20220524093724-9.png]]
	1180	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
	1181	+|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
	1182	+|03  00  11|Open|No Action
	1183	+|03  01  11|Close|No Action
	1184	+|03  11  00|No Action|Open
	1185	+|03  11  01|No Action|Close
	1186	+|03  00  00|Open|Open
	1187	+|03  01  01|Close|Close
	1188	+|03  01  00|Close|Open
	1189	+|03  00  01|Open|Close
1127	1127	)))
1128	1128
1129	1129	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1130,7 +1130,6 @@
1130	1130
1131	1131
1132	1132
1133		-
1134	1134	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1135	1135
1136	1136
...	...	@@ -1162,12 +1162,20 @@
1162	1162
1163	1163	(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1164	1164
	1227	+
	1228	+(% style="color:red" %)**Note:**
	1229	+
	1230	+ Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
	1231	+
	1232	+ Before Firmwre v1.6.0 the latch time only suport 2 bytes.
	1233	+
	1234	+
1165	1165	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1166	1166
1167	1167
1168	1168	**Example payload:**
1169	1169
1170		-**~1. 05 01 11 07 D**
	1240	+**~1. 05 01 11 07 D0**
1171	1171
1172	1172	Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1173	1173
...	...	@@ -1190,11 +1190,8 @@
1190	1190
1191	1191	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1192	1192
1193		-* (% style="color:#037691" %)**AT Command:**
	1263	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1194	1194
1195		-(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1196		-
1197		-
1198	1198	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1199	1199
1200	1200	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1204,10 +1204,8 @@
1204	1204	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1205	1205
1206	1206
1207		-* (% style="color:#037691" %)**AT Command:**
	1274	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1208	1208
1209		-(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1210		-
1211	1211	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1212	1212
1213	1213	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1224,11 +1224,8 @@
1224	1224
1225	1225	Clear counting for counting mode
1226	1226
1227		-* (% style="color:#037691" %)**AT Command:**
	1292	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1228	1228
1229		-(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1230		-
1231		-
1232	1232	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1233	1233
1234	1234	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1253,14 +1253,14 @@
1253	1253
1254	1254
1255	1255
1256		-==== 3.4.2.20 Reset save DR DO state ====
	1318	+==== 3.4.2.20 Reset save RO DO state ====
1257	1257
1258	1258
1259	1259	* (% style="color:#037691" %)**AT Command:**
1260	1260
1261		-(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
	1323	+(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1262	1262
1263		-(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
	1325	+(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1264	1264
1265	1265
1266	1266	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
...	...	@@ -1302,7 +1302,6 @@
1302	1302
1303	1303
1304	1304
1305		-
1306	1306	==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1307	1307
1308	1308
...	...	@@ -1319,7 +1319,6 @@
1319	1319
1320	1320
1321	1321
1322		-
1323	1323	==== 3.4.2.25 Copy downlink to uplink ====
1324	1324
1325	1325
...	...	@@ -1358,7 +1358,6 @@
1358	1358	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1359	1359
1360	1360
1361		-
1362	1362	== 3.5 Integrate with Mydevice ==
1363	1363
1364	1364
...	...	@@ -1383,7 +1383,7 @@
1383	1383
1384	1384	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1385	1385
1386		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
	1445	+(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1387	1387
1388	1388	Search under The things network
1389	1389
...	...	@@ -1408,10 +1408,8 @@
1408	1408	[[image:image-20220524094909-5.png||height="341" width="734"]]
1409	1409
1410	1410
1411		-
1412	1412	== 3.6 Interface Detail ==
1413	1413
1414		-
1415	1415	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1416	1416
1417	1417
...	...	@@ -1420,17 +1420,16 @@
1420	1420	[[image:1653356991268-289.png]]
1421	1421
1422	1422
1423		-
1424	1424	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1425	1425
1426	1426
1427	1427	(((
1428		-The DI port of LT-22222-L can support NPN or PNP output sensor.
	1484	+The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1429	1429	)))
1430	1430
1431	1431	(((
1432	1432	(((
1433		-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.
	1489	+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.
1434	1434
1435	1435
1436	1436	)))
...	...	@@ -1477,8 +1477,6 @@
1477	1477
1478	1478	(((
1479	1479
1480		-
1481		-
1482	1482	)))
1483	1483
1484	1484	(((
...	...	@@ -1510,8 +1510,6 @@
1510	1510
1511	1511	(((
1512	1512
1513		-
1514		-
1515	1515	)))
1516	1516
1517	1517	(((
...	...	@@ -1542,16 +1542,26 @@
1542	1542	)))
1543	1543
1544	1544
	1597	+(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1545	1545
	1599	+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.
	1600	+
	1601	+To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1602	+
	1603	+[[image:image-20230616235145-1.png]]
	1604	+
	1605	+
	1606	+
1546	1546	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1547	1547
1548	1548
1549		-NPN output: GND or Float. Max voltage can apply to output pin is 36v.
	1610	+(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1550	1550
	1612	+(% style="color:red" %)**Note: DO pins go to float when device is power off.**
	1613	+
1551	1551	[[image:1653357531600-905.png]]
1552	1552
1553	1553
1554		-
1555	1555	=== 3.6.4 Analog Input Interface ===
1556	1556
1557	1557
...	...	@@ -1569,13 +1569,12 @@
1569	1569
1570	1570	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1571	1571
1572		-**Red:  12~~24v**
	1634	+(% style="color:red" %)**Red:  12~~24v**
1573	1573
1574		-**Yellow:  4~~20mA**
	1636	+(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1575	1575
1576	1576	**Black:  GND**
1577	1577
1578		-
1579	1579	**Connection diagram:**
1580	1580
1581	1581	[[image:1653357640609-758.png]]
...	...	@@ -1583,12 +1583,29 @@
1583	1583	[[image:1653357648330-671.png||height="155" width="733"]]
1584	1584
1585	1585
	1647	+Example connected to a regulated power supply to measure voltage
1586	1586
	1649	+[[image:image-20230608101532-1.png||height="606" width="447"]]
	1650	+
	1651	+[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
	1652	+
	1653	+[[image:image-20230608101722-3.png||height="102" width="1139"]]
	1654	+
	1655	+
	1656	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1657	+
	1658	+(% style="color:red" %)**Red:  12~~24v**
	1659	+
	1660	+**Black:  GND**
	1661	+
	1662	+
1587	1587	=== 3.6.5 Relay Output ===
1588	1588
1589	1589
1590	1590	(((
1591		-The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
	1667	+The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
	1668	+
	1669	+**Note**: RO pins go to Open(NO) when device is power off.
1592	1592	)))
1593	1593
1594	1594	[[image:image-20220524100215-9.png]]
...	...	@@ -1597,17 +1597,46 @@
1597	1597	[[image:image-20220524100215-10.png||height="382" width="723"]]
1598	1598
1599	1599
1600		-
1601	1601	== 3.7 LEDs Indicators ==
1602	1602
1603	1603
1604		-[[image:image-20220524100748-11.png]]
	1681	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	1682	+|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
	1683	+|**PWR**|Always on if there is power
	1684	+|**SYS**|(((
	1685	+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.
	1686	+)))
	1687	+|**TX**|(((
	1688	+(((
	1689	+Device boot: TX blinks 5 times.
	1690	+)))
1605	1605
	1692	+(((
	1693	+Successful join network: TX ON for 5 seconds.
	1694	+)))
1606	1606
	1696	+(((
	1697	+Transmit a LoRa packet: TX blinks once
	1698	+)))
	1699	+)))
	1700	+|**RX**|RX blinks once when receive a packet.
	1701	+|**DO1**|
	1702	+|**DO2**|
	1703	+|**DO3**|
	1704	+|**DI2**|(((
	1705	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1706	+)))
	1707	+|**DI2**|(((
	1708	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1709	+)))
	1710	+|**DI2**|(((
	1711	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1712	+)))
	1713	+|**RO1**|
	1714	+|**RO2**|
1607	1607
1608	1608	= 4. Use AT Command =
1609	1609
1610		-
1611	1611	== 4.1 Access AT Command ==
1612	1612
1613	1613
...	...	@@ -1818,10 +1818,8 @@
1818	1818	)))
1819	1819
1820	1820
1821		-
1822	1822	== 4.2 Common AT Command Sequence ==
1823	1823
1824		-
1825	1825	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1826	1826
1827	1827	(((
...	...	@@ -1866,7 +1866,6 @@
1866	1866	)))
1867	1867
1868	1868
1869		-
1870	1870	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1871	1871
1872	1872	(((
...	...	@@ -1939,7 +1939,7 @@
1939	1939	**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1940	1940	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1941	1941
1942		-**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**
	2046	+**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.**
1943	1943
1944	1944
1945	1945	)))
...	...	@@ -1952,7 +1952,6 @@
1952	1952
1953	1953	)))
1954	1954
1955		-
1956	1956	=== 4.2.3 Change to Class A ===
1957	1957
1958	1958
...	...	@@ -1964,13 +1964,19 @@
1964	1964	)))
1965	1965
1966	1966
	2070	+= 5. Case Study =
1967	1967
1968		-= 5. FAQ =
	2072	+== 5.1 Counting how many objects pass in Flow Line ==
1969	1969
1970	1970
1971		-== 5.1 How to upgrade the image? ==
	2075	+Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1972	1972
1973	1973
	2078	+= 6. FAQ =
	2079	+
	2080	+== 6.1 How to upgrade the image? ==
	2081	+
	2082	+
1974	1974	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1975	1975
1976	1976	* Support new features
...	...	@@ -1984,7 +1984,7 @@
1984	1984
1985	1985	(((
1986	1986	(% 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]].
1987		-(% 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]].
	2096	+(% 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]].
1988	1988	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1989	1989
1990	1990
...	...	@@ -1998,8 +1998,10 @@
1998	1998
1999	1999	[[image:image-20220524103407-12.png]]
2000	2000
	2110	+
2001	2001	[[image:image-20220524103429-13.png]]
2002	2002
	2113	+
2003	2003	[[image:image-20220524104033-15.png]]
2004	2004
2005	2005
...	...	@@ -2011,10 +2011,8 @@
2011	2011
2012	2012	(((
2013	2013	(((
2014		-
	2125	+== 6.2 How to change the LoRa Frequency Bands/Region? ==
2015	2015
2016		-== 5.2 How to change the LoRa Frequency Bands/Region? ==
2017		-
2018	2018
2019	2019	)))
2020	2020	)))
...	...	@@ -2026,9 +2026,8 @@
2026	2026	(((
2027	2027
2028	2028
	2138	+== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029	2029
2030		-== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2031		-
2032	2032
2033	2033	)))
2034	2034
...	...	@@ -2090,26 +2090,29 @@
2090	2090	[[image:1653360498588-932.png||height="485" width="726"]]
2091	2091
2092	2092
	2201	+== 6.4 How to change the uplink interval？ ==
2093	2093
2094		-== 5.4 Can I see counting event in Serial? ==
2095	2095
	2204	+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/]]
2096	2096
2097		-(((
2098		-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.
2099	2099
	2207	+== 6.5 Can I see counting event in Serial? ==
2100	2100
2101	2101
2102		-== 5.5 Can i use point to point communication for LT-22222-L? ==
	2210	+(((
	2211	+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.
2103	2103
2104	2104
2105		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
	2214	+== 6.6 Can i use point to point communication for LT-22222-L? ==
2106	2106
2107	2107
	2217	+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]].
	2218	+
2108	2108
2109	2109	)))
2110	2110
2111	2111	(((
2112		-== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2223	+== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2113	2113
2114	2114
2115	2115	If the device is not shut down, but directly powered off.
...	...	@@ -2121,10 +2121,9 @@
2121	2121	After restart, the status before power failure will be read from flash.
2122	2122
2123	2123
	2235	+== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2124	2124
2125		-== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2126	2126
2127		-
2128	2128	LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2129	2129
2130	2130
...	...	@@ -2131,19 +2131,18 @@
2131	2131	[[image:image-20221006170630-1.png||height="610" width="945"]]
2132	2132
2133	2133
2134		-== 5.8 Can LT22222 save RO state? ==
	2244	+== 6.9 Can LT22222-L save RO state? ==
2135	2135
	2246	+
2136	2136	Firmware version needs to be no less than 1.6.0.
2137	2137
2138	2138
2139		-= 6. Trouble Shooting =
2140		-
2141		-
	2250	+= 7. Trouble Shooting =
2142	2142	)))
2143	2143
2144	2144	(((
2145	2145	(((
2146		-== 6.1 Downlink doesn't work, how to solve it? ==
	2255	+== 7.1 Downlink doesn't work, how to solve it? ==
2147	2147
2148	2148
2149	2149	)))
...	...	@@ -2156,9 +2156,8 @@
2156	2156	(((
2157	2157
2158	2158
	2268	+== 7.2 Have trouble to upload image. ==
2159	2159
2160		-== 6.2 Have trouble to upload image. ==
2161		-
2162	2162
2163	2163	)))
2164	2164
...	...	@@ -2169,9 +2169,8 @@
2169	2169	(((
2170	2170
2171	2171
	2280	+== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2172	2172
2173		-== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2174		-
2175	2175
2176	2176	)))
2177	2177
...	...	@@ -2180,10 +2180,9 @@
2180	2180	)))
2181	2181
2182	2182
	2290	+= 8. Order Info =
2183	2183
2184		-= 7. Order Info =
2185	2185
2186		-
2187	2187	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2188	2188
2189	2189	(% style="color:#4f81bd" %)**XXX:**
...	...	@@ -2198,10 +2198,9 @@
2198	2198	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2199	2199	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2200	2200
	2307	+= 9. Packing Info =
2201	2201
2202		-= 8. Packing Info =
2203	2203
2204		-
2205	2205	**Package Includes**:
2206	2206
2207	2207	* LT-22222-L I/O Controller x 1
...	...	@@ -2216,24 +2216,24 @@
2216	2216	* Package Size / pcs : 14.5 x 8 x 5 cm
2217	2217	* Weight / pcs : 170g
2218	2218
	2324	+= 10. Support =
2219	2219
2220		-= 9. Support =
2221	2221
2222		-
2223	2223	* (((
2224	2224	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.
2225	2225	)))
2226	2226	* (((
2227		-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]]
	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]]
2228	2228
2229	2229
2230		-
2231	2231
2232	2232	)))
2233	2233
2234		-= 10. Reference​​​​​ =
	2337	+= 11. Reference​​​​​ =
2235	2235
2236	2236
2237	2237	* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2238	2238	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2239	2239	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	2343	+
	2344	+

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