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

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1	1	(% style="text-align:center" %)
2	2	[[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3	3
4		-**LT-22222-L LoRa IO Controller User Manual **
5	5
6	6
7	7	**Table of Contents:**
...	...	@@ -16,13 +16,16 @@
16	16
17	17	= 1.Introduction =
18	18
	18	+
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22	22
23	23
	24	+(((
24	24	The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25	25	)))
	27	+)))
26	26
27	27	(((
28	28	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.
...	...	@@ -37,11 +37,13 @@
37	37	)))
38	38
39	39	(((
40		-1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
	42	+1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
41	41	)))
42	42
43	43	(((
44	44	2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	47	+
	48	+
45	45	)))
46	46
47	47	(((
...	...	@@ -56,7 +56,7 @@
56	56	(((
57	57
58	58
59		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
60	60	)))
61	61
62	62	* (((
...	...	@@ -81,7 +81,7 @@
81	81	(((
82	82
83	83
84		-**Interface for Model: LT22222-L:**
	88	+(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85	85	)))
86	86
87	87	* (((
...	...	@@ -106,7 +106,7 @@
106	106	(((
107	107
108	108
109		-**LoRa Spec:**
	113	+(% style="color:#037691" %)**LoRa Spec:**
110	110	)))
111	111
112	112	* (((
...	...	@@ -173,9 +173,10 @@
173	173
174	174	== 1.3 Features ==
175	175
	180	+
176	176	* LoRaWAN Class A & Class C protocol
177	177	* Optional Customized LoRa Protocol
178		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
	183	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
179	179	* AT Commands to change parameters
180	180	* Remote configure parameters via LoRa Downlink
181	181	* Firmware upgradable via program port
...	...	@@ -186,6 +186,7 @@
186	186
187	187	== 1.4  Applications ==
188	188
	194	+
189	189	* Smart Buildings & Home Automation
190	190	* Logistics and Supply Chain Management
191	191	* Smart Metering
...	...	@@ -198,6 +198,7 @@
198	198
199	199	== 1.5 Hardware Variants ==
200	200
	207	+
201	201	(% border="1" style="background-color:#f7faff; width:500px" %)
202	202	|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203	203	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
...	...	@@ -209,12 +209,20 @@
209	209	* 1 x Counting Port
210	210	)))
211	211
	219	+
	220	+
	221	+
212	212	= 2. Power ON Device =
213	213
	224	+
	225	+(((
214	214	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
	227	+)))
215	215
216	216	(((
217	217	PWR will on when device is properly powered.
	231	+
	232	+
218	218	)))
219	219
220	220	[[image:1653297104069-180.png]]
...	...	@@ -223,21 +223,27 @@
223	223
224	224	= 3. Operation Mode =
225	225
	241	+
226	226	== 3.1 How it works? ==
227	227
	244	+
228	228	(((
229		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
	246	+The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
230	230	)))
231	231
232	232	(((
233		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	250	+In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
234	234	)))
235	235
236	236
	254	+
237	237	== 3.2 Example to join LoRaWAN network ==
238	238
	257	+
239	239	(((
240	240	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	260	+
	261	+
241	241	)))
242	242
243	243	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -245,6 +245,8 @@
245	245
246	246	(((
247	247	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
	269	+
	270	+
248	248	)))
249	249
250	250	(((
...	...	@@ -260,18 +260,21 @@
260	260
261	261	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
262	262
263		-Add APP EUI in the application.
	286	+**Add APP EUI in the application.**
264	264
265	265	[[image:1653297955910-247.png||height="321" width="716"]]
266	266
267	267
268		-Add APP KEY and DEV EUI
	291	+**Add APP KEY and DEV EUI**
269	269
270	270	[[image:1653298023685-319.png]]
271	271
272	272
	296	+
273	273	(((
274	274	(% 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.
	299	+
	300	+
275	275	)))
276	276
277	277	[[image:1653298044601-602.png||height="405" width="709"]]
...	...	@@ -280,18 +280,25 @@
280	280
281	281	== 3.3 Uplink Payload ==
282	282
	309	+
283	283	There are five working modes + one interrupt mode on LT for different type application:
284	284
285		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
286		-* **MOD2**: Double DI Counting + DO + RO
287		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
288		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
289		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
290		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	312	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	313	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	314	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	315	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	316	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	317	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
291	291
	319	+
	320	+
	321	+
292	292	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293	293
	324	+
	325	+(((
294	294	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	327	+)))
295	295
296	296	[[image:image-20220523174024-3.png]]
297	297
...	...	@@ -307,7 +307,7 @@
307	307	* DI is for digital input. DIx=1: high or float, DIx=0: low.
308	308	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
309	309
310		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	343	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
311	311
312	312	For example if payload is: [[image:image-20220523175847-2.png]]
313	313
...	...	@@ -342,10 +342,15 @@
342	342	** DO1 is high in case there is load between DO1 and V+.
343	343	** DO1 LED is off in both case
344	344
	378	+
	379	+
	380	+
345	345	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
346	346
347	347
	384	+(((
348	348	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	386	+)))
349	349
350	350	(((
351	351	Total : 11 bytes payload
...	...	@@ -365,7 +365,7 @@
365	365	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
366	366
367	367	(((
368		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	406	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
369	369	)))
370	370
371	371	(((
...	...	@@ -377,78 +377,53 @@
377	377	(% class="box infomessage" %)
378	378	(((
379	379	(((
	418	+(((
380	380	**AT+MOD=2**
381	381	)))
382		-)))
383	383
384		-(% class="box infomessage" %)
385	385	(((
386		-(((
387	387	**ATZ**
388	388	)))
389	389	)))
	426	+)))
390	390
391	391	(((
392	392
393	393
394	394	(% style="color:#4f81bd" %)**AT Commands for counting:**
	432	+
	433	+
395	395	)))
396	396
397	397	(((
398	398	**For LT22222-L:**
399		-)))
400	400
401		-(% class="box infomessage" %)
402		-(((
403		-(((
404		-**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
405		-)))
406		-)))
407	407
408		-(% class="box infomessage" %)
409		-(((
410		-(((
411		-**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
412		-)))
413		-)))
	440	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
414	414
415		-(% class="box infomessage" %)
416		-(((
417		-(((
418		-**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
419		-)))
420		-)))
	442	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
421	421
422		-(% class="box infomessage" %)
423		-(((
424		-(((
425		-**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
426		-)))
427		-)))
	444	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
428	428
429		-(% class="box infomessage" %)
430		-(((
431		-(((
432		-**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
433		-)))
434		-)))
	446	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
435	435
436		-(% class="box infomessage" %)
437		-(((
438		-(((
439		-**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
	448	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	449	+
	450	+(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
440	440	)))
441		-)))
442	442
443	443
444	444
445	445	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
446	446
	457	+
447	447	**LT22222-L**: This mode the DI1 is used as a counting pin.
448	448
449	449	[[image:image-20220523181246-5.png]]
450	450
451	451	(((
	463	+
	464	+
452	452	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
453	453	)))
454	454
...	...	@@ -459,9 +459,10 @@
459	459	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
460	460
461	461	(((
462		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	475	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
463	463	)))
464	464
	478	+
465	465	(((
466	466	**To use counting mode, please run:**
467	467	)))
...	...	@@ -469,16 +469,15 @@
469	469	(% class="box infomessage" %)
470	470	(((
471	471	(((
	486	+(((
472	472	**AT+MOD=3**
473	473	)))
474		-)))
475	475
476		-(% class="box infomessage" %)
477	477	(((
478		-(((
479	479	**ATZ**
480	480	)))
481	481	)))
	494	+)))
482	482
483	483	(((
484	484	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -489,9 +489,13 @@
489	489	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
490	490
491	491
	505	+(((
492	492	**LT22222-L**: This mode the DI1 is used as a counting pin.
	507	+)))
493	493
	509	+(((
494	494	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.
	511	+)))
495	495
496	496	[[image:image-20220523181903-8.png]]
497	497
...	...	@@ -507,7 +507,7 @@
507	507	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
508	508
509	509	(((
510		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	527	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
511	511	)))
512	512
513	513	(((
...	...	@@ -519,21 +519,17 @@
519	519	(% class="box infomessage" %)
520	520	(((
521	521	(((
	539	+(((
522	522	**AT+MOD=4**
523	523	)))
524		-)))
525	525
526		-(% class="box infomessage" %)
527	527	(((
528		-(((
529	529	**ATZ**
530	530	)))
531	531	)))
532		-
533		-(((
534		-
535	535	)))
536	536
	549	+
537	537	(((
538	538	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
539	539	)))
...	...	@@ -542,35 +542,16 @@
542	542
543	543
544	544	**Plus below command for AVI1 Counting:**
545		-)))
546	546
547		-(% class="box infomessage" %)
548		-(((
549		-(((
550		-**AT+SETCNT=3,60   (set AVI Count to 60)**
551		-)))
552		-)))
553	553
554		-(% class="box infomessage" %)
555		-(((
556		-(((
557		-**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
558		-)))
559		-)))
	560	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
560	560
561		-(% class="box infomessage" %)
562		-(((
563		-(((
564		-**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
565		-)))
566		-)))
	562	+(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
567	567
568		-(% class="box infomessage" %)
569		-(((
570		-(((
571		-**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
	564	+(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
	565	+
	566	+(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
572	572	)))
573		-)))
574	574
575	575
576	576
...	...	@@ -594,7 +594,7 @@
594	594	)))
595	595
596	596	(((
597		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	591	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
598	598	)))
599	599
600	600	(((
...	...	@@ -606,16 +606,15 @@
606	606	(% class="box infomessage" %)
607	607	(((
608	608	(((
	603	+(((
609	609	**AT+MOD=5**
610	610	)))
611		-)))
612	612
613		-(% class="box infomessage" %)
614	614	(((
615		-(((
616	616	**ATZ**
617	617	)))
618	618	)))
	611	+)))
619	619
620	620	(((
621	621	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -630,8 +630,8 @@
630	630
631	631	For example, if user has configured below commands:
632	632
633		-* **AT+MOD=1 ** **~-~->** The normal working mode
634		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	626	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	627	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
635	635
636	636	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
637	637
...	...	@@ -638,12 +638,14 @@
638	638	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
639	639	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
640	640
641		-**AT Command to set Trigger Condition**:
	634	+(% style="color:#037691" %)**AT Command to set Trigger Condition**:
642	642
	636	+
643	643	(% style="color:#4f81bd" %)**Trigger base on voltage**:
644	644
645	645	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
646	646
	641	+
647	647	**Example:**
648	648
649	649	AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
...	...	@@ -656,6 +656,7 @@
656	656
657	657	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
658	658
	654	+
659	659	**Example:**
660	660
661	661	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -674,8 +674,9 @@
674	674	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
675	675
676	676
677		-**Downlink Command to set Trigger Condition:**
678	678
	674	+(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
	675	+
679	679	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
680	680
681	681	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
...	...	@@ -722,6 +722,7 @@
722	722	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
723	723
724	724
	722	+
725	725	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
726	726
727	727	[[image:image-20220524090249-3.png]]
...	...	@@ -733,6 +733,7 @@
733	733	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
734	734
735	735
	734	+
736	736	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
737	737
738	738	[[image:image-20220524090456-4.png]]
...	...	@@ -746,6 +746,7 @@
746	746	00000101: Means both DI1 and DI2 trigger are enabled.
747	747
748	748
	748	+
749	749	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
750	750
751	751	Downlink command to poll MOD6 status:
...	...	@@ -761,149 +761,146 @@
761	761	(((
762	762
763	763
764		-**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
765		-
766		-
	764	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
767	767	)))
768	768
769	769
	768	+
770	770	== 3.4 ​Configure LT via AT or Downlink ==
771	771
	771	+
	772	+(((
772	772	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	774	+)))
773	773
774	774	(((
	777	+(((
775	775	There are two kinds of Commands:
776	776	)))
	780	+)))
777	777
778		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	782	+* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
779	779
780		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
	784	+* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
781	781
	786	+
	787	+
782	782	=== 3.4.1 Common Commands ===
783	783
	790	+
	791	+(((
784	784	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	793	+)))
785	785
786	786
787	787
788	788	=== 3.4.2 Sensor related commands ===
789	789
	799	+
790	790	==== 3.4.2.1 Set Transmit Interval ====
791	791
	802	+
792	792	Set device uplink interval.
793	793
794		-* AT Command:
	805	+* (% style="color:#037691" %)**AT Command:**
795	795
796		-(% class="box infomessage" %)
797		-(((
798		-**AT+TDC=N **
799		-)))
	807	+**(% style="color:blue" %)AT+TDC=N **
800	800
	809	+
801	801	**Example: **AT+TDC=30000. Means set interval to 30 seconds
802	802
803	803
804		-* Downlink Payload (prefix 0x01):
	813	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
805	805
806		-(% class="box infomessage" %)
807		-(((
808		-**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
809		-)))
	815	+**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
810	810
811	811
812	812
	819	+
813	813	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
814	814
	822	+
815	815	Set work mode.
816	816
817		-* AT Command:
	825	+* (% style="color:#037691" %)**AT Command:**
818	818
819		-(% class="box infomessage" %)
820		-(((
821		-**AT+MOD=N  **
822		-)))
	827	+**(% style="color:blue" %)AT+MOD=N  **
823	823
	829	+
824	824	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
825	825
826	826
827		-* Downlink Payload (prefix 0x0A):
	833	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
828	828
829		-(% class="box infomessage" %)
830		-(((
831		-**0x0A aa     ~/~/ Same as AT+MOD=aa**
832		-)))
	835	+**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
833	833
834	834
835	835
	839	+
836	836	==== 3.4.2.3 Poll an uplink ====
837	837
838		-* AT Command:
839	839
	843	+* (% style="color:#037691" %)**AT Command:**
	844	+
840	840	There is no AT Command to poll uplink
841	841
842	842
843		-* Downlink Payload (prefix 0x08):
	848	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
844	844
845		-(% class="box infomessage" %)
846		-(((
847		-**0x08 FF     ~/~/ Poll an uplink,**
848		-)))
	850	+**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
849	849
	852	+
850	850	**Example**: 0x08FF, ask device to send an Uplink
851	851
852	852
853	853
	857	+
854	854	==== 3.4.2.4 Enable Trigger Mode ====
855	855
	860	+
856	856	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
857	857
858		-* AT Command:
	863	+* (% style="color:#037691" %)**AT Command:**
859	859
860		-(% class="box infomessage" %)
861		-(((
862		-**AT+ADDMOD6=1 or 0**
863		-)))
	865	+**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
864	864
865		-1: Enable Trigger Mode
	867	+**(% style="color:red" %)1:** Enable Trigger Mode
866	866
867		-0: Disable Trigger Mode
	869	+**(% style="color:red" %)0: **Disable Trigger Mode
868	868
869	869
870		-* Downlink Payload (prefix 0x0A 06):
	872	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
871	871
872		-(% class="box infomessage" %)
873		-(((
874		-**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
875		-)))
	874	+**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
876	876
877	877
878	878
	878	+
879	879	==== 3.4.2.5 Poll trigger settings ====
880	880
	881	+
881	881	Poll trigger settings,
882	882
883		-* AT Command:
	884	+* (% style="color:#037691" %)**AT Command:**
884	884
885	885	There is no AT Command for this feature.
886	886
887	887
888		-* Downlink Payload (prefix 0x AB 06):
	889	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
889	889
890		-(% class="box infomessage" %)
891		-(((
892		-**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
893		-)))
	891	+**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
894	894
895	895
896	896
	895	+
897	897	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
898	898
	898	+
899	899	Enable Disable DI1/DI2/DI2 as trigger,
900	900
901		-* AT Command:
	901	+* (% style="color:#037691" %)**AT Command:**
902	902
903		-(% class="box infomessage" %)
904		-(((
905	905	**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
906		-)))
907	907
908	908
909	909	**Example:**
...	...	@@ -910,25 +910,21 @@
910	910
911	911	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
912	912
913		-* Downlink Payload (prefix 0xAA 02):
	910	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
914	914
915		-(% class="box infomessage" %)
916		-(((
917		-**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
918		-)))
	912	+**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
919	919
920	920
921	921
	916	+
922	922	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
923	923
	919	+
924	924	Set DI1 or DI3(for LT-33222-L) trigger.
925	925
926		-* AT Command:
	922	+* (% style="color:#037691" %)**AT Command:**
927	927
928		-(% class="box infomessage" %)
929		-(((
930		-**AT+TRIG1=a,b**
931		-)))
	924	+**(% style="color:blue" %)AT+TRIG1=a,b**
932	932
933	933	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
934	934
...	...	@@ -940,26 +940,19 @@
940	940	AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
941	941
942	942
943		-* Downlink Payload (prefix 0x09 01 ):
	936	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	937	+* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
944	944
945		-(% class="box infomessage" %)
946		-(((
947		-**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
948		-)))
949		-
950		-
951		-
952	952	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
953	953
	941	+
954	954	Set DI2 trigger.
955	955
956		-* AT Command:
	944	+* (% style="color:#037691" %)**AT Command:**
957	957
958		-(% class="box infomessage" %)
959		-(((
960	960	**AT+TRIG2=a,b**
961		-)))
962	962
	948	+
963	963	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
964	964
965	965	b : delay timing.
...	...	@@ -970,93 +970,82 @@
970	970	AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
971	971
972	972
973		-* Downlink Payload (prefix 0x09 02 ):
	959	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
974	974
975		-(% class="box infomessage" %)
976		-(((
977		-**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
978		-)))
	961	+**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
979	979
980	980
981	981
	965	+
982	982	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
983	983
	968	+
984	984	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
985	985
986		-* AT Command:
	971	+* (% style="color:#037691" %)**AT Command**
987	987
988		-(% class="box infomessage" %)
989		-(((
990		-**AT+ACLIM. **
991		-)))
	973	+**AT+ACLIM**
992	992
993	993
994		-* Downlink Payload (prefix 0xAA 01 ):
	976	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
995	995
996		-(% class="box infomessage" %)
997		-(((
998		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
999		-)))
	978	+**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1000	1000
1001	1001
1002	1002
	982	+
1003	1003	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1004	1004
	985	+
1005	1005	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006	1006
1007		-* AT Command:
	988	+* (% style="color:#037691" %)**AT Command**
1008	1008
1009		-(% class="box infomessage" %)
1010		-(((
1011		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1012		-)))
	990	+**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1013	1013
1014	1014
1015		-* Downlink Payload (prefix 0xAA 00 ):
	993	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1016	1016
1017		-(% class="box infomessage" %)
1018		-(((
1019		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1020		-)))
	995	+**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1021	1021
1022	1022
1023	1023
	999	+
1024	1024	==== 3.4.2.11 Trigger – Set minimum interval ====
1025	1025
1026		-Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1027	1027
1028		-* AT Command:
	1003	+Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1029	1029
1030		-(% class="box infomessage" %)
1031		-(((
1032		-**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1033		-)))
	1005	+* (% style="color:#037691" %)**AT Command**
1034	1034
	1007	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1035	1035
1036		-* Downlink Payload (prefix 0xAC ):
1037	1037
1038		-(% class="box infomessage" %)
	1010	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
	1011	+
	1012	+**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	1013	+
1039	1039	(((
1040		-**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
	1015	+
	1016	+
	1017	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1041	1041	)))
1042	1042
1043	1043
1044	1044
	1022	+
1045	1045	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1046	1046
1047		-* AT Command:
1048	1048
	1026	+* (% style="color:#037691" %)**AT Command**
	1027	+
1049	1049	There is no AT Command to control Digital Output
1050	1050
1051	1051
1052		-* Downlink Payload (prefix 0x02):
	1031	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	1032	+* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1053	1053
1054		-(% class="box infomessage" %)
1055	1055	(((
1056		-**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1057		-)))
1058		-
1059		-(((
1060	1060	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1061	1061	)))
1062	1062
...	...	@@ -1067,31 +1067,29 @@
1067	1067	[[image:image-20220524092754-5.png]]
1068	1068
1069	1069	(((
1070		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1045	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1071	1071	)))
1072	1072
1073	1073	(((
1074		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1049	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1075	1075	)))
1076	1076
1077	1077
1078	1078
	1054	+
1079	1079	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1080	1080
1081		-* AT Command:
1082	1082
	1058	+* (% style="color:#037691" %)**AT Command**
	1059	+
1083	1083	There is no AT Command to control Digital Output
1084	1084
1085	1085
1086		-* Downlink Payload (prefix 0xA9):
	1063	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1087	1087
1088		-(% class="box infomessage" %)
1089		-(((
1090		-(((
1091		-**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1092		-)))
1093		-)))
	1065	+**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1094	1094
	1067	+
1095	1095	This is to control the digital output time of DO pin. Include four bytes:
1096	1096
1097	1097	(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
...	...	@@ -1118,11 +1118,11 @@
1118	1118	[[image:image-20220524093351-8.png]]
1119	1119
1120	1120
1121		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1094	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1122	1122
1123	1123	Latching time. Unit: ms
1124	1124
1125		-Device will upload a packet if downlink code executes successfully.
	1098	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1126	1126
1127	1127
1128	1128	**Example payload:**
...	...	@@ -1145,20 +1145,20 @@
1145	1145
1146	1146
1147	1147
	1121	+
1148	1148	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1149	1149
1150		-* AT Command:
1151	1151
	1125	+* (% style="color:#037691" %)**AT Command:**
	1126	+
1152	1152	There is no AT Command to control Relay Output
1153	1153
1154	1154
1155		-* Downlink Payload (prefix 0x03):
	1130	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1156	1156
1157		-(% class="box infomessage" %)
1158		-(((
1159		-**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1160		-)))
	1132	+**0x03 aa bb     **~/~/ Set RO1/RO2 output
1161	1161
	1134	+
1162	1162	(((
1163	1163	If payload = 0x030100, it means set RO1 to close and RO2 to open.
1164	1164	)))
...	...	@@ -1171,24 +1171,24 @@
1171	1171	[[image:image-20220524093724-9.png]]
1172	1172	)))
1173	1173
1174		-Device will upload a packet if downlink code executes successfully.
	1147	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1175	1175
1176	1176
1177	1177
	1151	+
1178	1178	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1179	1179
1180		-* AT Command:
1181	1181
	1155	+* (% style="color:#037691" %)**AT Command:**
	1156	+
1182	1182	There is no AT Command to control Relay Output
1183	1183
1184	1184
1185		-* Downlink Payload (prefix 0x05):
	1160	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1186	1186
1187		-(% class="box infomessage" %)
1188		-(((
1189		-**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1190		-)))
	1162	+**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1191	1191
	1164	+
1192	1192	This is to control the relay output time of relay. Include four bytes:
1193	1193
1194	1194	(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
...	...	@@ -1202,63 +1202,57 @@
1202	1202
1203	1203	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1204	1204
1205		-[[image:image-20220524093831-10.png]]
	1178	+[[image:image-20221008095908-1.png||height="364" width="564"]]
1206	1206
1207	1207
1208		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1181	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1209	1209
1210		-Device will upload a packet if downlink code executes successfully.
	1183	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1211	1211
1212	1212
1213	1213	**Example payload:**
1214	1214
1215		-**~1. 05 01 11 07 D0**
	1188	+**~1. 05 01 11 07 D**
1216	1216
1217		-Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
	1190	+Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1218	1218
1219	1219	**2. 05 01 10 07 D0**
1220	1220
1221		-Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
	1194	+Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1222	1222
1223	1223	**3. 05 00 01 07 D0**
1224	1224
1225		-Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
	1198	+Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1226	1226
1227	1227	**4. 05 00 00 07 D0**
1228	1228
1229		-Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
	1202	+Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1230	1230
1231	1231
1232	1232
1233	1233	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1234	1234
	1208	+
1235	1235	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1236	1236
1237		-* AT Command:
	1211	+* (% style="color:#037691" %)**AT Command:**
1238	1238
1239		-(% class="box infomessage" %)
1240		-(((
1241		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1242		-)))
	1213	+**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1243	1243
1244	1244
1245		-* Downlink Payload (prefix 0xA5):
	1216	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1246	1246
1247		-(% class="box infomessage" %)
1248		-(((
1249		-**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1250		-)))
	1218	+**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1251	1251
1252	1252
1253	1253
	1222	+
1254	1254	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1255	1255
1256		-* AT Command:
1257	1257
1258		-(% class="box infomessage" %)
1259		-(((
	1226	+* (% style="color:#037691" %)**AT Command:**
	1227	+
1260	1260	**AT+SETCNT=aa,(bb cc dd ee) **
1261		-)))
1262	1262
1263	1263	aa: 1: Set count1,
1264	1264
...	...	@@ -1269,60 +1269,166 @@
1269	1269	Bb cc dd ee: number to be set
1270	1270
1271	1271
1272		-* Downlink Payload (prefix 0xA8):
	1239	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1273	1273
1274		-(% class="box infomessage" %)
1275		-(((
1276		-**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1277		-)))
	1241	+**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1278	1278
1279	1279
1280	1280
	1245	+
1281	1281	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1282	1282
	1248	+
1283	1283	Clear counting for counting mode
1284	1284
1285		-* AT Command:
	1251	+* (% style="color:#037691" %)**AT Command:**
1286	1286
1287		-(% class="box infomessage" %)
1288		-(((
1289		-**AT+CLRCOUNT ~/~/ clear all counting**
1290		-)))
	1253	+**AT+CLRCOUNT ** ~/~/ clear all counting
1291	1291
1292		-* Downlink Payload (prefix 0xA6):
1293	1293
1294		-(% class="box infomessage" %)
1295		-(((
1296		-**0x A6 01     ~/~/ clear all counting,**
1297		-)))
	1256	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1298	1298
	1258	+**0x A6 01    ** ~/~/ clear all counting
1299	1299
1300	1300
	1261	+
	1262	+
1301	1301	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1302	1302
1303		-* AT Command:
1304	1304
1305		-(% class="box infomessage" %)
1306		-(((
1307		-**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1308		-)))
	1266	+* (% style="color:#037691" %)**AT Command:**
1309	1309
1310		-* Downlink Payload (prefix 0xA7):
	1268	+**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1311	1311
1312		-(% class="box infomessage" %)
	1270	+
	1271	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
	1272	+
	1273	+**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
	1274	+
1313	1313	(((
1314		-**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
	1276	+range: aa bb cc:0 to 16777215,  (unit:second)
	1277	+
	1278	+
	1279	+
	1280	+
1315	1315	)))
1316	1316
	1283	+==== 3.4.2.20 Reset save DR DO state ====
	1284	+
	1285	+
	1286	+* (% style="color:#037691" %)**AT Command:**
	1287	+
	1288	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
	1289	+
	1290	+**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.
	1291	+
	1292	+
	1293	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1294	+
	1295	+**0x AD aa      **~/~/ same as AT+RODORET =aa
	1296	+
1317	1317	(((
1318		-range: aa bb cc:0 to 16777215,  (unit:second)
	1298	+
1319	1319
	1300	+
	1301	+
	1302	+==== 3.4.2.21 Encrypted payload ====
	1303	+
	1304	+
	1305	+* (% style="color:#037691" %)**AT Command:**
	1306	+
	1307	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1308	+
	1309	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1310	+
	1311	+
	1312	+
	1313	+
	1314	+==== 3.4.2.22 Get sensor value ====
	1315	+
	1316	+
	1317	+* (% style="color:#037691" %)**AT Command:**
	1318	+
	1319	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1320	+
	1321	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1322	+
	1323	+
	1324	+
	1325	+
	1326	+==== 3.4.2.23 Resets the downlink packet count ====
	1327	+
	1328	+
	1329	+* (% style="color:#037691" %)**AT Command:**
	1330	+
	1331	+**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	1332	+
	1333	+**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
	1334	+
	1335	+
	1336	+
	1337	+
	1338	+==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
	1339	+
	1340	+
	1341	+* (% style="color:#037691" %)**AT Command:**
	1342	+
	1343	+ **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
	1344	+
	1345	+ **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
	1346	+
	1347	+
	1348	+* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1349	+
	1350	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1351	+
	1352	+
	1353	+
	1354	+
	1355	+==== 3.4.2.25 Copy downlink to uplink ====
	1356	+
	1357	+
	1358	+* (% style="color:#037691" %)**AT Command**(%%)**:**
	1359	+
	1360	+ **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	1361	+
	1362	+Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
	1363	+
	1364	+
	1365	+[[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-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
	1366	+
	1367	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1368	+
	1369	+
	1370	+
	1371	+[[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-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
	1372	+
	1373	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1374	+
	1375	+
	1376	+
	1377	+==== 3.4.2.26 Query version number and frequency band 、TDC ====
	1378	+
	1379	+
	1380	+* (((
	1381	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1382	+
	1383	+**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1384	+
1320	1320
1321	1321	)))
1322	1322
	1388	+**Example：**
1323	1323
	1390	+[[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"]]
	1391	+
	1392	+
	1393	+
	1394	+)))
	1395	+
1324	1324	== 3.5 Integrate with Mydevice ==
1325	1325
	1398	+
1326	1326	Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1327	1327
1328	1328	(((
...	...	@@ -1331,14 +1331,15 @@
1331	1331
1332	1332	(((
1333	1333	(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1407	+
	1408	+
1334	1334	)))
1335	1335
1336		-[[image:1653356737703-362.png||height="232" width="732"]]
	1411	+[[image:image-20220719105525-1.png||height="377" width="677"]]
1337	1337
1338		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1339	1339
1340	1340
1341		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1415	+[[image:image-20220719110247-2.png||height="388" width="683"]]
1342	1342
1343	1343
1344	1344	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
...	...	@@ -1371,8 +1371,10 @@
1371	1371
1372	1372	== 3.6 Interface Detail ==
1373	1373
	1448	+
1374	1374	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1375	1375
	1451	+
1376	1376	Support NPN Type sensor
1377	1377
1378	1378	[[image:1653356991268-289.png]]
...	...	@@ -1381,6 +1381,7 @@
1381	1381
1382	1382	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1383	1383
	1460	+
1384	1384	(((
1385	1385	The DI port of LT-22222-L can support NPN or PNP output sensor.
1386	1386	)))
...	...	@@ -1387,7 +1387,9 @@
1387	1387
1388	1388	(((
1389	1389	(((
1390		-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
	1467	+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.
	1468	+
	1469	+
1391	1391	)))
1392	1392	)))
1393	1393
...	...	@@ -1412,10 +1412,10 @@
1412	1412	)))
1413	1413
1414	1414	* (((
1415		-Connect sensor’s output to DI1-
	1494	+Connect sensor's output to DI1-
1416	1416	)))
1417	1417	* (((
1418		-Connect sensor’s VCC to DI1+.
	1497	+Connect sensor's VCC to DI1+.
1419	1419	)))
1420	1420
1421	1421	(((
...	...	@@ -1423,15 +1423,17 @@
1423	1423	)))
1424	1424
1425	1425	(((
1426		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1505	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1427	1427	)))
1428	1428
1429	1429	(((
1430		-If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1509	+If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1431	1431	)))
1432	1432
1433	1433	(((
1434	1434
	1514	+
	1515	+
1435	1435	)))
1436	1436
1437	1437	(((
...	...	@@ -1443,10 +1443,10 @@
1443	1443	)))
1444	1444
1445	1445	* (((
1446		-Connect sensor’s output to DI1+
	1527	+Connect sensor's output to DI1+
1447	1447	)))
1448	1448	* (((
1449		-Connect sensor’s GND DI1-.
	1530	+Connect sensor's GND DI1-.
1450	1450	)))
1451	1451
1452	1452	(((
...	...	@@ -1463,6 +1463,8 @@
1463	1463
1464	1464	(((
1465	1465
	1547	+
	1548	+
1466	1466	)))
1467	1467
1468	1468	(((
...	...	@@ -1474,10 +1474,10 @@
1474	1474	)))
1475	1475
1476	1476	* (((
1477		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1560	+Connect sensor's output to DI1+ with a serial 50K resistor
1478	1478	)))
1479	1479	* (((
1480		-Connect sensor’s GND DI1-.
	1563	+Connect sensor's GND DI1-.
1481	1481	)))
1482	1482
1483	1483	(((
...	...	@@ -1496,6 +1496,7 @@
1496	1496
1497	1497	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1498	1498
	1582	+
1499	1499	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1500	1500
1501	1501	[[image:1653357531600-905.png]]
...	...	@@ -1504,6 +1504,7 @@
1504	1504
1505	1505	=== 3.6.4 Analog Input Interface ===
1506	1506
	1591	+
1507	1507	The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1508	1508
1509	1509
...	...	@@ -1516,13 +1516,13 @@
1516	1516	We take the wind speed sensor as an example for reference only.
1517	1517
1518	1518
1519		-**Specifications of the wind speed sensor:**
	1604	+(% style="color:blue" %)**Specifications of the wind speed sensor:**
1520	1520
1521		-Red:  12~~24v
	1606	+**Red:  12~~24v**
1522	1522
1523		-Yellow:  4~~20mA
	1608	+**Yellow:  4~~20mA**
1524	1524
1525		-Black:  GND
	1610	+**Black:  GND**
1526	1526
1527	1527
1528	1528	**Connection diagram:**
...	...	@@ -1535,6 +1535,7 @@
1535	1535
1536	1536	=== 3.6.5 Relay Output ===
1537	1537
	1623	+
1538	1538	(((
1539	1539	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:
1540	1540	)))
...	...	@@ -1541,6 +1541,7 @@
1541	1541
1542	1542	[[image:image-20220524100215-9.png]]
1543	1543
	1630	+
1544	1544	[[image:image-20220524100215-10.png||height="382" width="723"]]
1545	1545
1546	1546
...	...	@@ -1547,15 +1547,25 @@
1547	1547
1548	1548	== 3.7 LEDs Indicators ==
1549	1549
	1637	+
1550	1550	[[image:image-20220524100748-11.png]]
1551	1551
1552	1552
	1641	+
1553	1553	= 4. Use AT Command =
1554	1554
	1644	+
1555	1555	== 4.1 Access AT Command ==
1556	1556
	1647	+
	1648	+(((
1557	1557	LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
	1650	+)))
1558	1558
	1652	+(((
	1653	+
	1654	+)))
	1655	+
1559	1559	[[image:1653358238933-385.png]]
1560	1560
1561	1561
...	...	@@ -1583,7 +1583,7 @@
1583	1583	)))
1584	1584
1585	1585	(((
1586		-AT+<CMD>=?       : Get the value
	1683	+AT+<CMD>=?       :  Get the value
1587	1587	)))
1588	1588
1589	1589	(((
...	...	@@ -1611,11 +1611,11 @@
1611	1611	)))
1612	1612
1613	1613	(((
1614		-AT+APPSKEY: Get or Set the Application Session Key
	1711	+AT+APPSKEY:  Get or Set the Application Session Key
1615	1615	)))
1616	1616
1617	1617	(((
1618		-AT+APPEUI: Get or Set the Application EUI
	1715	+AT+APPEUI:  Get or Set the Application EUI
1619	1619	)))
1620	1620
1621	1621	(((
...	...	@@ -1627,7 +1627,7 @@
1627	1627	)))
1628	1628
1629	1629	(((
1630		-AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1727	+AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1631	1631	)))
1632	1632
1633	1633	(((
...	...	@@ -1663,7 +1663,7 @@
1663	1663	)))
1664	1664
1665	1665	(((
1666		-AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1763	+AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1667	1667	)))
1668	1668
1669	1669	(((
...	...	@@ -1707,7 +1707,7 @@
1707	1707	)))
1708	1708
1709	1709	(((
1710		-AT+VER: Get current image version and Frequency Band
	1807	+AT+VER:  Get current image version and Frequency Band
1711	1711	)))
1712	1712
1713	1713	(((
...	...	@@ -1715,7 +1715,7 @@
1715	1715	)))
1716	1716
1717	1717	(((
1718		-AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1815	+AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1719	1719	)))
1720	1720
1721	1721	(((
...	...	@@ -1752,8 +1752,6 @@
1752	1752
1753	1753	(((
1754	1754	AT+CFG: Print all settings
1755		-
1756		-
1757	1757	)))
1758	1758
1759	1759
...	...	@@ -1760,47 +1760,48 @@
1760	1760
1761	1761	== 4.2 Common AT Command Sequence ==
1762	1762
	1858	+
1763	1763	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1764	1764
1765	1765	(((
1766	1766
1767	1767
1768		-**If device has not joined network yet:**
	1864	+(((
	1865	+(% style="color:blue" %)**If device has not joined network yet:**
1769	1769	)))
	1867	+)))
1770	1770
1771	1771	(((
1772		-(% style="background-color:#dcdcdc" %)123456
	1870	+(% style="background-color:#dcdcdc" %)**123456**
1773	1773	)))
1774	1774
1775	1775	(((
1776		-(% style="background-color:#dcdcdc" %)AT+FDR
	1874	+(% style="background-color:#dcdcdc" %)**AT+FDR**
1777	1777	)))
1778	1778
1779	1779	(((
1780		-(% style="background-color:#dcdcdc" %)123456
	1878	+(% style="background-color:#dcdcdc" %)**123456**
1781	1781	)))
1782	1782
1783	1783	(((
1784		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1882	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1785	1785	)))
1786	1786
1787	1787	(((
1788		-(% style="background-color:#dcdcdc" %)ATZ
	1886	+(% style="background-color:#dcdcdc" %)**ATZ**
1789	1789	)))
1790	1790
1791	1791
1792	1792	(((
1793		-**If device already joined network:**
	1891	+(% style="color:blue" %)**If device already joined network:**
1794	1794	)))
1795	1795
1796	1796	(((
1797		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1895	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1798	1798	)))
1799	1799
1800	1800	(((
1801		-(% style="background-color:#dcdcdc" %)ATZ
1802		-
1803		-
	1899	+(% style="background-color:#dcdcdc" %)**ATZ**
1804	1804	)))
1805	1805
1806	1806
...	...	@@ -1810,55 +1810,57 @@
1810	1810	(((
1811	1811
1812	1812
1813		-(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
	1909	+(((
	1910	+(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1814	1814	)))
	1912	+)))
1815	1815
1816	1816	(((
1817		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1915	+(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1818	1818	)))
1819	1819
1820	1820	(((
1821		-(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
	1919	+(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1822	1822	)))
1823	1823
1824	1824	(((
1825		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1923	+(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1826	1826	)))
1827	1827
1828	1828	(((
1829		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
	1927	+(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1830	1830	)))
1831	1831
1832	1832	(((
1833		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
	1931	+(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1834	1834	)))
1835	1835
1836	1836	(((
1837		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1935	+(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1838	1838	)))
1839	1839
1840	1840	(((
1841		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1939	+(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1842	1842	)))
1843	1843
1844	1844	(((
1845		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1943	+(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1846	1846	)))
1847	1847
1848	1848	(((
1849		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
	1947	+(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1850	1850	)))
1851	1851
1852	1852	(((
1853		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1951	+(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1854	1854	)))
1855	1855
1856	1856	(((
1857		-(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1955	+(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1858	1858	)))
1859	1859
1860	1860	(((
1861		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1959	+(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1862	1862
1863	1863
1864	1864	)))
...	...	@@ -1868,10 +1868,16 @@
1868	1868	)))
1869	1869
1870	1870	(((
1871		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1872		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1873		-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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1874		-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
	1969	+**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1970	+
	1971	+**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
	1972	+
	1973	+**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?
	1974	+dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
	1975	+
	1976	+**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**
	1977	+
	1978	+
1875	1875	)))
1876	1876
1877	1877	(((
...	...	@@ -1885,13 +1885,19 @@
1885	1885
1886	1886	=== 4.2.3 Change to Class A ===
1887	1887
1888		-If sensor JOINED
1889		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
1890		-ATZ
1891	1891
	1993	+(((
	1994	+(% style="color:blue" %)If sensor JOINED:
1892	1892
	1996	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1997	+ATZ**
	1998	+)))
	1999	+
	2000	+
	2001	+
1893	1893	= 5. FAQ =
1894	1894
	2004	+
1895	1895	== 5.1 How to upgrade the image? ==
1896	1896
1897	1897
...	...	@@ -1908,14 +1908,18 @@
1908	1908
1909	1909	(((
1910	1910	(% 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]].
1911		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	2021	+(% 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]].
1912	1912	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1913	1913
1914	1914
	2025	+(((
1915	1915	(% style="color:blue" %)**For LT-22222-L**(%%):
1916		-Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
	2027	+Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1917	1917	)))
1918	1918
	2030	+
	2031	+)))
	2032	+
1919	1919	[[image:image-20220524103407-12.png]]
1920	1920
1921	1921	[[image:image-20220524103429-13.png]]
...	...	@@ -1925,6 +1925,7 @@
1925	1925
1926	1926	(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1927	1927
	2042	+
1928	1928	[[image:1653360054704-518.png||height="186" width="745"]]
1929	1929
1930	1930
...	...	@@ -1933,6 +1933,8 @@
1933	1933
1934	1934
1935	1935	== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2051	+
	2052	+
1936	1936	)))
1937	1937	)))
1938	1938
...	...	@@ -1943,7 +1943,10 @@
1943	1943	(((
1944	1944
1945	1945
	2063	+
1946	1946	== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2065	+
	2066	+
1947	1947	)))
1948	1948
1949	1949	(((
...	...	@@ -1956,38 +1956,45 @@
1956	1956	(((
1957	1957	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1958	1958
	2079	+
1959	1959
1960	1960	)))
1961	1961	)))
1962	1962
1963	1963	(((
1964		-(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2085	+(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2086	+
	2087	+
1965	1965	)))
1966	1966
1967	1967	(((
1968	1968	[[image:1653360231087-571.png||height="401" width="727"]]
	2092	+
	2093	+
1969	1969	)))
1970	1970
1971	1971	(((
1972		-(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	2097	+(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1973	1973	)))
1974	1974
1975	1975
	2101	+
1976	1976	(((
1977		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2103	+(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2104	+
	2105	+
1978	1978	)))
1979	1979
1980	1980	(((
1981		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1982		-(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1983		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1984		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1985		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1986		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1987		-(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1988		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1989		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1990		-(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
	2109	+(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2110	+(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2111	+(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2112	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2113	+(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2114	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2115	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2116	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2117	+(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1991	1991	)))
1992	1992
1993	1993
...	...	@@ -1998,20 +1998,28 @@
1998	1998	[[image:1653360498588-932.png||height="485" width="726"]]
1999	1999
2000	2000
	2128	+
2001	2001	== 5.4 Can I see counting event in Serial? ==
2002	2002
	2131	+
2003	2003	(((
2004		-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.
	2133	+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.
2005	2005
2006	2006
	2136	+
2007	2007	== 5.5 Can i use point to point communication for LT-22222-L? ==
2008	2008
2009		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	2139	+
	2140	+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]].
	2141	+
	2142	+
	2143	+
2010	2010	)))
2011	2011
2012	2012	(((
2013	2013	== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2014	2014
	2149	+
2015	2015	If the device is not shut down, but directly powered off.
2016	2016
2017	2017	It will default that this is a power-off state.
...	...	@@ -2020,12 +2020,28 @@
2020	2020
2021	2021	After restart, the status before power failure will be read from flash.
2022	2022
	2158	+
	2159	+
	2160	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2161	+
	2162	+
	2163	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2164	+
	2165	+
	2166	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2167	+
	2168	+
	2169	+
2023	2023	= 6. Trouble Shooting =
	2171	+
	2172	+
2024	2024	)))
2025	2025
2026	2026	(((
2027	2027	(((
2028		-== 6.1 Downlink doesn’t work, how to solve it? ==
	2177	+== 6.1 Downlink doesn't work, how to solve it? ==
	2178	+
	2179	+
2029	2029	)))
2030	2030	)))
2031	2031
...	...	@@ -2036,7 +2036,10 @@
2036	2036	(((
2037	2037
2038	2038
	2190	+
2039	2039	== 6.2 Have trouble to upload image. ==
	2192	+
	2193	+
2040	2040	)))
2041	2041
2042	2042	(((
...	...	@@ -2046,7 +2046,10 @@
2046	2046	(((
2047	2047
2048	2048
2049		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	2203	+
	2204	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2205	+
	2206	+
2050	2050	)))
2051	2051
2052	2052	(((
...	...	@@ -2060,18 +2060,17 @@
2060	2060
2061	2061	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2062	2062
2063		-
2064	2064	(% style="color:#4f81bd" %)**XXX:**
2065	2065
2066		-* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2067		-* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2068		-* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2069		-* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2070		-* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2071		-* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2072		-* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2073		-* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2074		-* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	2222	+* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
	2223	+* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
	2224	+* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
	2225	+* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
	2226	+* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
	2227	+* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
	2228	+* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
	2229	+* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
	2230	+* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2075	2075
2076	2076	= 8. Packing Info =
2077	2077
...	...	@@ -2092,16 +2092,21 @@
2092	2092
2093	2093	= 9. Support =
2094	2094
	2251	+
2095	2095	* (((
2096	2096	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.
2097	2097	)))
2098	2098	* (((
2099	2099	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]]
	2257	+
	2258	+
	2259	+
	2260	+
2100	2100	)))
2101	2101
2102	2102	= 10. Reference​​​​​ =
2103	2103
	2265	+
2104	2104	* 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]]
2105		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2106		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	2267	+* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2107	2107	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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