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
...	...	@@ -183,6 +183,7 @@
183	183
184	184	== 1.4  Applications ==
185	185
	191	+
186	186	* Smart Buildings & Home Automation
187	187	* Logistics and Supply Chain Management
188	188	* Smart Metering
...	...	@@ -192,6 +192,7 @@
192	192
193	193	== 1.5 Hardware Variants ==
194	194
	201	+
195	195	(% border="1" style="background-color:#f7faff; width:500px" %)
196	196	|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
197	197	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
...	...	@@ -205,10 +205,15 @@
205	205
206	206	= 2. Power ON Device =
207	207
	215	+
	216	+(((
208	208	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.
	218	+)))
209	209
210	210	(((
211	211	PWR will on when device is properly powered.
	222	+
	223	+
212	212	)))
213	213
214	214	[[image:1653297104069-180.png]]
...	...	@@ -217,21 +217,27 @@
217	217
218	218	= 3. Operation Mode =
219	219
	232	+
220	220	== 3.1 How it works? ==
221	221
	235	+
222	222	(((
223		-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.
	237	+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.
224	224	)))
225	225
226	226	(((
227		-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.
	241	+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.
228	228	)))
229	229
230	230
	245	+
231	231	== 3.2 Example to join LoRaWAN network ==
232	232
	248	+
233	233	(((
234	234	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.
	251	+
	252	+
235	235	)))
236	236
237	237	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -239,6 +239,8 @@
239	239
240	240	(((
241	241	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:
	260	+
	261	+
242	242	)))
243	243
244	244	(((
...	...	@@ -254,18 +254,21 @@
254	254
255	255	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
256	256
257		-Add APP EUI in the application.
	277	+**Add APP EUI in the application.**
258	258
259	259	[[image:1653297955910-247.png||height="321" width="716"]]
260	260
261	261
262		-Add APP KEY and DEV EUI
	282	+**Add APP KEY and DEV EUI**
263	263
264	264	[[image:1653298023685-319.png]]
265	265
266	266
	287	+
267	267	(((
268	268	(% 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.
	290	+
	291	+
269	269	)))
270	270
271	271	[[image:1653298044601-602.png||height="405" width="709"]]
...	...	@@ -274,18 +274,22 @@
274	274
275	275	== 3.3 Uplink Payload ==
276	276
	300	+
277	277	There are five working modes + one interrupt mode on LT for different type application:
278	278
279		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
280		-* **MOD2**: Double DI Counting + DO + RO
281		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
282		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
283		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
284		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	303	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	304	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	305	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	306	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	307	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	308	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
285	285
286	286	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
287	287
	312	+
	313	+(((
288	288	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	315	+)))
289	289
290	290	[[image:image-20220523174024-3.png]]
291	291
...	...	@@ -301,7 +301,7 @@
301	301	* DI is for digital input. DIx=1: high or float, DIx=0: low.
302	302	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
303	303
304		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	331	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
305	305
306	306	For example if payload is: [[image:image-20220523175847-2.png]]
307	307
...	...	@@ -339,7 +339,9 @@
339	339	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
340	340
341	341
	369	+(((
342	342	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	371	+)))
343	343
344	344	(((
345	345	Total : 11 bytes payload
...	...	@@ -359,7 +359,7 @@
359	359	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
360	360
361	361	(((
362		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	391	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
363	363	)))
364	364
365	365	(((
...	...	@@ -371,78 +371,53 @@
371	371	(% class="box infomessage" %)
372	372	(((
373	373	(((
	403	+(((
374	374	**AT+MOD=2**
375	375	)))
376		-)))
377	377
378		-(% class="box infomessage" %)
379	379	(((
380		-(((
381	381	**ATZ**
382	382	)))
383	383	)))
	411	+)))
384	384
385	385	(((
386	386
387	387
388	388	(% style="color:#4f81bd" %)**AT Commands for counting:**
	417	+
	418	+
389	389	)))
390	390
391	391	(((
392	392	**For LT22222-L:**
393		-)))
394	394
395		-(% class="box infomessage" %)
396		-(((
397		-(((
398		-**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
399		-)))
400		-)))
401	401
402		-(% class="box infomessage" %)
403		-(((
404		-(((
405		-**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
406		-)))
407		-)))
	425	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
408	408
409		-(% class="box infomessage" %)
410		-(((
411		-(((
412		-**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
413		-)))
414		-)))
	427	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
415	415
416		-(% class="box infomessage" %)
417		-(((
418		-(((
419		-**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
420		-)))
421		-)))
	429	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
422	422
423		-(% class="box infomessage" %)
424		-(((
425		-(((
426		-**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
427		-)))
428		-)))
	431	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
429	429
430		-(% class="box infomessage" %)
431		-(((
432		-(((
433		-**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
	433	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	434	+
	435	+(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
434	434	)))
435		-)))
436	436
437	437
438	438
439	439	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
440	440
	442	+
441	441	**LT22222-L**: This mode the DI1 is used as a counting pin.
442	442
443	443	[[image:image-20220523181246-5.png]]
444	444
445	445	(((
	448	+
	449	+
446	446	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
447	447	)))
448	448
...	...	@@ -453,9 +453,10 @@
453	453	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
454	454
455	455	(((
456		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	460	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
457	457	)))
458	458
	463	+
459	459	(((
460	460	**To use counting mode, please run:**
461	461	)))
...	...	@@ -463,16 +463,15 @@
463	463	(% class="box infomessage" %)
464	464	(((
465	465	(((
	471	+(((
466	466	**AT+MOD=3**
467	467	)))
468		-)))
469	469
470		-(% class="box infomessage" %)
471	471	(((
472		-(((
473	473	**ATZ**
474	474	)))
475	475	)))
	479	+)))
476	476
477	477	(((
478	478	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -483,9 +483,13 @@
483	483	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484	484
485	485
	490	+(((
486	486	**LT22222-L**: This mode the DI1 is used as a counting pin.
	492	+)))
487	487
	494	+(((
488	488	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.
	496	+)))
489	489
490	490	[[image:image-20220523181903-8.png]]
491	491
...	...	@@ -501,7 +501,7 @@
501	501	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
502	502
503	503	(((
504		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	512	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
505	505	)))
506	506
507	507	(((
...	...	@@ -513,21 +513,17 @@
513	513	(% class="box infomessage" %)
514	514	(((
515	515	(((
	524	+(((
516	516	**AT+MOD=4**
517	517	)))
518		-)))
519	519
520		-(% class="box infomessage" %)
521	521	(((
522		-(((
523	523	**ATZ**
524	524	)))
525	525	)))
526		-
527		-(((
528		-
529	529	)))
530	530
	534	+
531	531	(((
532	532	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
533	533	)))
...	...	@@ -536,35 +536,16 @@
536	536
537	537
538	538	**Plus below command for AVI1 Counting:**
539		-)))
540	540
541		-(% class="box infomessage" %)
542		-(((
543		-(((
544		-**AT+SETCNT=3,60   (set AVI Count to 60)**
545		-)))
546		-)))
547	547
548		-(% class="box infomessage" %)
549		-(((
550		-(((
551		-**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
552		-)))
553		-)))
	545	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
554	554
555		-(% class="box infomessage" %)
556		-(((
557		-(((
558		-**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
559		-)))
560		-)))
	547	+(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
561	561
562		-(% class="box infomessage" %)
563		-(((
564		-(((
565		-**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
	549	+(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
	550	+
	551	+(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
566	566	)))
567		-)))
568	568
569	569
570	570
...	...	@@ -588,7 +588,7 @@
588	588	)))
589	589
590	590	(((
591		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	576	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
592	592	)))
593	593
594	594	(((
...	...	@@ -600,16 +600,15 @@
600	600	(% class="box infomessage" %)
601	601	(((
602	602	(((
	588	+(((
603	603	**AT+MOD=5**
604	604	)))
605		-)))
606	606
607		-(% class="box infomessage" %)
608	608	(((
609		-(((
610	610	**ATZ**
611	611	)))
612	612	)))
	596	+)))
613	613
614	614	(((
615	615	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -624,8 +624,8 @@
624	624
625	625	For example, if user has configured below commands:
626	626
627		-* **AT+MOD=1 ** **~-~->** The normal working mode
628		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	611	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	612	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
629	629
630	630	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
631	631
...	...	@@ -632,12 +632,14 @@
632	632	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
633	633	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.**
634	634
635		-**AT Command to set Trigger Condition**:
	619	+(% style="color:#037691" %)**AT Command to set Trigger Condition**:
636	636
	621	+
637	637	(% style="color:#4f81bd" %)**Trigger base on voltage**:
638	638
639	639	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
640	640
	626	+
641	641	**Example:**
642	642
643	643	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)
...	...	@@ -650,6 +650,7 @@
650	650
651	651	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
652	652
	639	+
653	653	**Example:**
654	654
655	655	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -668,8 +668,9 @@
668	668	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
669	669
670	670
671		-**Downlink Command to set Trigger Condition:**
672	672
	659	+(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
	660	+
673	673	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
674	674
675	675	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
...	...	@@ -716,6 +716,7 @@
716	716	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
717	717
718	718
	707	+
719	719	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
720	720
721	721	[[image:image-20220524090249-3.png]]
...	...	@@ -727,6 +727,7 @@
727	727	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
728	728
729	729
	719	+
730	730	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
731	731
732	732	[[image:image-20220524090456-4.png]]
...	...	@@ -740,6 +740,7 @@
740	740	00000101: Means both DI1 and DI2 trigger are enabled.
741	741
742	742
	733	+
743	743	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
744	744
745	745	Downlink command to poll MOD6 status:
...	...	@@ -750,24 +750,29 @@
750	750
751	751
752	752
	744	+
753	753	=== 3.3.7 Payload Decoder ===
754	754
755	755	(((
756	756
757	757
758		-**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/]]
759		-
760		-
	750	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
761	761	)))
762	762
763	763
	754	+
764	764	== 3.4 ​Configure LT via AT or Downlink ==
765	765
	757	+
	758	+(((
766	766	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	760	+)))
767	767
768	768	(((
	763	+(((
769	769	There are two kinds of Commands:
770	770	)))
	766	+)))
771	771
772	772	* (% 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]]
773	773
...	...	@@ -775,86 +775,82 @@
775	775
776	776	=== 3.4.1 Common Commands ===
777	777
	774	+
	775	+(((
778	778	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]]
	777	+)))
779	779
780	780
781	781
782	782	=== 3.4.2 Sensor related commands ===
783	783
	783	+
784	784	==== 3.4.2.1 Set Transmit Interval ====
785	785
	786	+
786	786	Set device uplink interval.
787	787
788		-* AT Command:
	789	+* (% style="color:#037691" %)**AT Command:**
789	789
790		-(% class="box infomessage" %)
791		-(((
792	792	**AT+TDC=N **
793		-)))
794	794
	793	+
795	795	**Example: **AT+TDC=30000. Means set interval to 30 seconds
796	796
797	797
798		-* Downlink Payload (prefix 0x01):
	797	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
799	799
800		-(% class="box infomessage" %)
801		-(((
802	802	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
803		-)))
804	804
805	805
806	806
	803	+
807	807	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
808	808
	806	+
809	809	Set work mode.
810	810
811		-* AT Command:
	809	+* (% style="color:#037691" %)**AT Command:**
812	812
813		-(% class="box infomessage" %)
814		-(((
815	815	**AT+MOD=N  **
816		-)))
817	817
	813	+
818	818	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
819	819
820	820
821		-* Downlink Payload (prefix 0x0A):
	817	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
822	822
823		-(% class="box infomessage" %)
824		-(((
825		-**0x0A aa     ~/~/ Same as AT+MOD=aa**
826		-)))
	819	+**0x0A aa    ** ~/~/ Same as AT+MOD=aa
827	827
828	828
829	829
	823	+
830	830	==== 3.4.2.3 Poll an uplink ====
831	831
832		-* AT Command:
833	833
	827	+* (% style="color:#037691" %)**AT Command:**
	828	+
834	834	There is no AT Command to poll uplink
835	835
836	836
837		-* Downlink Payload (prefix 0x08):
	832	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
838	838
839		-(% class="box infomessage" %)
840		-(((
841		-**0x08 FF     ~/~/ Poll an uplink,**
842		-)))
	834	+**0x08 FF     **~/~/ Poll an uplink
843	843
	836	+
844	844	**Example**: 0x08FF, ask device to send an Uplink
845	845
846	846
847	847
	841	+
848	848	==== 3.4.2.4 Enable Trigger Mode ====
849	849
	844	+
850	850	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
851	851
852		-* AT Command:
	847	+* (% style="color:#037691" %)**AT Command:**
853	853
854		-(% class="box infomessage" %)
855		-(((
856	856	**AT+ADDMOD6=1 or 0**
857		-)))
858	858
859	859	1: Enable Trigger Mode
860	860
...	...	@@ -861,43 +861,38 @@
861	861	0: Disable Trigger Mode
862	862
863	863
864		-* Downlink Payload (prefix 0x0A 06):
	856	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
865	865
866		-(% class="box infomessage" %)
867		-(((
868		-**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
869		-)))
	858	+**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
870	870
871	871
872	872
	862	+
873	873	==== 3.4.2.5 Poll trigger settings ====
874	874
	865	+
875	875	Poll trigger settings,
876	876
877		-* AT Command:
	868	+* (% style="color:#037691" %)**AT Command:**
878	878
879	879	There is no AT Command for this feature.
880	880
881	881
882		-* Downlink Payload (prefix 0x AB 06):
	873	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
883	883
884		-(% class="box infomessage" %)
885		-(((
886		-**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
887		-)))
	875	+**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
888	888
889	889
890	890
	879	+
891	891	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
892	892
	882	+
893	893	Enable Disable DI1/DI2/DI2 as trigger,
894	894
895		-* AT Command:
	885	+* (% style="color:#037691" %)**AT Command:**
896	896
897		-(% class="box infomessage" %)
898		-(((
899	899	**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
900		-)))
901	901
902	902
903	903	**Example:**
...	...	@@ -904,25 +904,21 @@
904	904
905	905	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
906	906
907		-* Downlink Payload (prefix 0xAA 02):
	894	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
908	908
909		-(% class="box infomessage" %)
910		-(((
911		-**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
912		-)))
	896	+**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
913	913
914	914
915	915
	900	+
916	916	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
917	917
	903	+
918	918	Set DI1 or DI3(for LT-33222-L) trigger.
919	919
920		-* AT Command:
	906	+* (% style="color:#037691" %)**AT Command:**
921	921
922		-(% class="box infomessage" %)
923		-(((
924	924	**AT+TRIG1=a,b**
925		-)))
926	926
927	927	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
928	928
...	...	@@ -934,26 +934,19 @@
934	934	AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
935	935
936	936
937		-* Downlink Payload (prefix 0x09 01 ):
	920	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	921	+* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
938	938
939		-(% class="box infomessage" %)
940		-(((
941		-**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
942		-)))
943		-
944		-
945		-
946	946	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
947	947
	925	+
948	948	Set DI2 trigger.
949	949
950		-* AT Command:
	928	+* (% style="color:#037691" %)**AT Command:**
951	951
952		-(% class="box infomessage" %)
953		-(((
954	954	**AT+TRIG2=a,b**
955		-)))
956	956
	932	+
957	957	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
958	958
959	959	b : delay timing.
...	...	@@ -964,93 +964,82 @@
964	964	AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
965	965
966	966
967		-* Downlink Payload (prefix 0x09 02 ):
	943	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
968	968
969		-(% class="box infomessage" %)
970		-(((
971		-**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
972		-)))
	945	+**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
973	973
974	974
975	975
	949	+
976	976	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
977	977
	952	+
978	978	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
979	979
980		-* AT Command:
	955	+* (% style="color:#037691" %)**AT Command**
981	981
982		-(% class="box infomessage" %)
983		-(((
984		-**AT+ACLIM. **
985		-)))
	957	+**AT+ACLIM**
986	986
987	987
988		-* Downlink Payload (prefix 0xAA 01 ):
	960	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
989	989
990		-(% class="box infomessage" %)
991		-(((
992		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
993		-)))
	962	+**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
994	994
995	995
996	996
	966	+
997	997	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
998	998
	969	+
999	999	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1000	1000
1001		-* AT Command:
	972	+* (% style="color:#037691" %)**AT Command**
1002	1002
1003		-(% class="box infomessage" %)
1004		-(((
1005		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1006		-)))
	974	+**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1007	1007
1008	1008
1009		-* Downlink Payload (prefix 0xAA 00 ):
	977	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1010	1010
1011		-(% class="box infomessage" %)
1012		-(((
1013		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1014		-)))
	979	+**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1015	1015
1016	1016
1017	1017
	983	+
1018	1018	==== 3.4.2.11 Trigger – Set minimum interval ====
1019	1019
1020		-Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1021	1021
1022		-* AT Command:
	987	+Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1023	1023
1024		-(% class="box infomessage" %)
1025		-(((
1026		-**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1027		-)))
	989	+* (% style="color:#037691" %)**AT Command**
1028	1028
	991	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1029	1029
1030		-* Downlink Payload (prefix 0xAC ):
1031	1031
1032		-(% class="box infomessage" %)
	994	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
	995	+
	996	+**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	997	+
1033	1033	(((
1034		-**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
	999	+
	1000	+
	1001	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1035	1035	)))
1036	1036
1037	1037
1038	1038
	1006	+
1039	1039	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1040	1040
1041		-* AT Command:
1042	1042
	1010	+* (% style="color:#037691" %)**AT Command**
	1011	+
1043	1043	There is no AT Command to control Digital Output
1044	1044
1045	1045
1046		-* Downlink Payload (prefix 0x02):
	1015	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	1016	+* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1047	1047
1048		-(% class="box infomessage" %)
1049	1049	(((
1050		-**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1051		-)))
1052		-
1053		-(((
1054	1054	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1055	1055	)))
1056	1056
...	...	@@ -1061,31 +1061,29 @@
1061	1061	[[image:image-20220524092754-5.png]]
1062	1062
1063	1063	(((
1064		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1029	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1065	1065	)))
1066	1066
1067	1067	(((
1068		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1033	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1069	1069	)))
1070	1070
1071	1071
1072	1072
	1038	+
1073	1073	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1074	1074
1075		-* AT Command:
1076	1076
	1042	+* (% style="color:#037691" %)**AT Command**
	1043	+
1077	1077	There is no AT Command to control Digital Output
1078	1078
1079	1079
1080		-* Downlink Payload (prefix 0xA9):
	1047	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1081	1081
1082		-(% class="box infomessage" %)
1083		-(((
1084		-(((
1085		-**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1086		-)))
1087		-)))
	1049	+**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1088	1088
	1051	+
1089	1089	This is to control the digital output time of DO pin. Include four bytes:
1090	1090
1091	1091	(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
...	...	@@ -1112,11 +1112,11 @@
1112	1112	[[image:image-20220524093351-8.png]]
1113	1113
1114	1114
1115		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1078	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1116	1116
1117	1117	Latching time. Unit: ms
1118	1118
1119		-Device will upload a packet if downlink code executes successfully.
	1082	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1120	1120
1121	1121
1122	1122	**Example payload:**
...	...	@@ -1139,20 +1139,20 @@
1139	1139
1140	1140
1141	1141
	1105	+
1142	1142	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1143	1143
1144		-* AT Command:
1145	1145
	1109	+* (% style="color:#037691" %)**AT Command:**
	1110	+
1146	1146	There is no AT Command to control Relay Output
1147	1147
1148	1148
1149		-* Downlink Payload (prefix 0x03):
	1114	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1150	1150
1151		-(% class="box infomessage" %)
1152		-(((
1153		-**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1154		-)))
	1116	+**0x03 aa bb     **~/~/ Set RO1/RO2 output
1155	1155
	1118	+
1156	1156	(((
1157	1157	If payload = 0x030100, it means set RO1 to close and RO2 to open.
1158	1158	)))
...	...	@@ -1165,24 +1165,24 @@
1165	1165	[[image:image-20220524093724-9.png]]
1166	1166	)))
1167	1167
1168		-Device will upload a packet if downlink code executes successfully.
	1131	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1169	1169
1170	1170
1171	1171
	1135	+
1172	1172	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1173	1173
1174		-* AT Command:
1175	1175
	1139	+* (% style="color:#037691" %)**AT Command:**
	1140	+
1176	1176	There is no AT Command to control Relay Output
1177	1177
1178	1178
1179		-* Downlink Payload (prefix 0x05):
	1144	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1180	1180
1181		-(% class="box infomessage" %)
1182		-(((
1183		-**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1184		-)))
	1146	+**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1185	1185
	1148	+
1186	1186	This is to control the relay output time of relay. Include four bytes:
1187	1187
1188	1188	(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
...	...	@@ -1196,63 +1196,57 @@
1196	1196
1197	1197	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1198	1198
1199		-[[image:image-20220524093831-10.png]]
	1162	+[[image:image-20221008095908-1.png||height="364" width="564"]]
1200	1200
1201	1201
1202		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1165	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1203	1203
1204		-Device will upload a packet if downlink code executes successfully.
	1167	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1205	1205
1206	1206
1207	1207	**Example payload:**
1208	1208
1209		-**~1. 05 01 11 07 D0**
	1172	+**~1. 05 01 11 07 D**
1210	1210
1211		-Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
	1174	+Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1212	1212
1213	1213	**2. 05 01 10 07 D0**
1214	1214
1215		-Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
	1178	+Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1216	1216
1217	1217	**3. 05 00 01 07 D0**
1218	1218
1219		-Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
	1182	+Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1220	1220
1221	1221	**4. 05 00 00 07 D0**
1222	1222
1223		-Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
	1186	+Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1224	1224
1225	1225
1226	1226
1227	1227	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1228	1228
	1192	+
1229	1229	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1230	1230
1231		-* AT Command:
	1195	+* (% style="color:#037691" %)**AT Command:**
1232	1232
1233		-(% class="box infomessage" %)
1234		-(((
1235		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1236		-)))
	1197	+**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1237	1237
1238	1238
1239		-* Downlink Payload (prefix 0xA5):
	1200	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1240	1240
1241		-(% class="box infomessage" %)
1242		-(((
1243		-**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1244		-)))
	1202	+**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1245	1245
1246	1246
1247	1247
	1206	+
1248	1248	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1249	1249
1250		-* AT Command:
1251	1251
1252		-(% class="box infomessage" %)
1253		-(((
	1210	+* (% style="color:#037691" %)**AT Command:**
	1211	+
1254	1254	**AT+SETCNT=aa,(bb cc dd ee) **
1255		-)))
1256	1256
1257	1257	aa: 1: Set count1,
1258	1258
...	...	@@ -1263,60 +1263,166 @@
1263	1263	Bb cc dd ee: number to be set
1264	1264
1265	1265
1266		-* Downlink Payload (prefix 0xA8):
	1223	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1267	1267
1268		-(% class="box infomessage" %)
1269		-(((
1270		-**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1271		-)))
	1225	+**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1272	1272
1273	1273
1274	1274
	1229	+
1275	1275	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1276	1276
	1232	+
1277	1277	Clear counting for counting mode
1278	1278
1279		-* AT Command:
	1235	+* (% style="color:#037691" %)**AT Command:**
1280	1280
1281		-(% class="box infomessage" %)
1282		-(((
1283		-**AT+CLRCOUNT ~/~/ clear all counting**
1284		-)))
	1237	+**AT+CLRCOUNT ** ~/~/ clear all counting
1285	1285
1286		-* Downlink Payload (prefix 0xA6):
1287	1287
1288		-(% class="box infomessage" %)
1289		-(((
1290		-**0x A6 01     ~/~/ clear all counting,**
1291		-)))
	1240	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1292	1292
	1242	+**0x A6 01    ** ~/~/ clear all counting
1293	1293
1294	1294
	1245	+
	1246	+
1295	1295	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1296	1296
1297		-* AT Command:
1298	1298
1299		-(% class="box infomessage" %)
1300		-(((
1301		-**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1302		-)))
	1250	+* (% style="color:#037691" %)**AT Command:**
1303	1303
1304		-* Downlink Payload (prefix 0xA7):
	1252	+**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1305	1305
1306		-(% class="box infomessage" %)
	1254	+
	1255	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
	1256	+
	1257	+**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
	1258	+
1307	1307	(((
1308		-**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
	1260	+range: aa bb cc:0 to 16777215,  (unit:second)
	1261	+
	1262	+
	1263	+
	1264	+
1309	1309	)))
1310	1310
	1267	+==== 3.4.2.20 Reset save DR DO state ====
	1268	+
	1269	+
	1270	+* (% style="color:#037691" %)**AT Command:**
	1271	+
	1272	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
	1273	+
	1274	+**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.
	1275	+
	1276	+
	1277	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1278	+
	1279	+**0x AD aa      **~/~/ same as AT+RODORET =aa
	1280	+
1311	1311	(((
1312		-range: aa bb cc:0 to 16777215,  (unit:second)
	1282	+
1313	1313
	1284	+
	1285	+
	1286	+==== 3.4.2.21 Encrypted payload ====
	1287	+
	1288	+
	1289	+* (% style="color:#037691" %)**AT Command:**
	1290	+
	1291	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1292	+
	1293	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1294	+
	1295	+
	1296	+
	1297	+
	1298	+==== 3.4.2.22 Get sensor value ====
	1299	+
	1300	+
	1301	+* (% style="color:#037691" %)**AT Command:**
	1302	+
	1303	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1304	+
	1305	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1306	+
	1307	+
	1308	+
	1309	+
	1310	+==== 3.4.2.23 Resets the downlink packet count ====
	1311	+
	1312	+
	1313	+* (% style="color:#037691" %)**AT Command:**
	1314	+
	1315	+**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)
	1316	+
	1317	+**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.
	1318	+
	1319	+
	1320	+
	1321	+
	1322	+==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
	1323	+
	1324	+
	1325	+* (% style="color:#037691" %)**AT Command:**
	1326	+
	1327	+ **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)
	1328	+
	1329	+ **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.
	1330	+
	1331	+
	1332	+* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1333	+
	1334	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1335	+
	1336	+
	1337	+
	1338	+
	1339	+==== 3.4.2.25 Copy downlink to uplink ====
	1340	+
	1341	+
	1342	+* (% style="color:#037691" %)**AT Command**(%%)**:**
	1343	+
	1344	+ **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.
	1345	+
	1346	+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.
	1347	+
	1348	+
	1349	+[[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"]]
	1350	+
	1351	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1352	+
	1353	+
	1354	+
	1355	+[[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"]]
	1356	+
	1357	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1358	+
	1359	+
	1360	+
	1361	+==== 3.4.2.26 Query version number and frequency band 、TDC ====
	1362	+
	1363	+
	1364	+* (((
	1365	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1366	+
	1367	+**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1368	+
1314	1314
1315	1315	)))
1316	1316
	1372	+**Example：**
1317	1317
	1374	+[[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"]]
	1375	+
	1376	+
	1377	+
	1378	+)))
	1379	+
1318	1318	== 3.5 Integrate with Mydevice ==
1319	1319
	1382	+
1320	1320	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:
1321	1321
1322	1322	(((
...	...	@@ -1325,14 +1325,15 @@
1325	1325
1326	1326	(((
1327	1327	(% 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:
	1391	+
	1392	+
1328	1328	)))
1329	1329
1330		-[[image:1653356737703-362.png||height="232" width="732"]]
	1395	+[[image:image-20220719105525-1.png||height="377" width="677"]]
1331	1331
1332		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1333	1333
1334	1334
1335		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1399	+[[image:image-20220719110247-2.png||height="388" width="683"]]
1336	1336
1337	1337
1338	1338	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
...	...	@@ -1365,8 +1365,10 @@
1365	1365
1366	1366	== 3.6 Interface Detail ==
1367	1367
	1432	+
1368	1368	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1369	1369
	1435	+
1370	1370	Support NPN Type sensor
1371	1371
1372	1372	[[image:1653356991268-289.png]]
...	...	@@ -1375,6 +1375,7 @@
1375	1375
1376	1376	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1377	1377
	1444	+
1378	1378	(((
1379	1379	The DI port of LT-22222-L can support NPN or PNP output sensor.
1380	1380	)))
...	...	@@ -1381,7 +1381,9 @@
1381	1381
1382	1382	(((
1383	1383	(((
1384		-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
	1451	+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.
	1452	+
	1453	+
1385	1385	)))
1386	1386	)))
1387	1387
...	...	@@ -1406,10 +1406,10 @@
1406	1406	)))
1407	1407
1408	1408	* (((
1409		-Connect sensor’s output to DI1-
	1478	+Connect sensor's output to DI1-
1410	1410	)))
1411	1411	* (((
1412		-Connect sensor’s VCC to DI1+.
	1481	+Connect sensor's VCC to DI1+.
1413	1413	)))
1414	1414
1415	1415	(((
...	...	@@ -1417,15 +1417,17 @@
1417	1417	)))
1418	1418
1419	1419	(((
1420		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1489	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1421	1421	)))
1422	1422
1423	1423	(((
1424		-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.
	1493	+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.
1425	1425	)))
1426	1426
1427	1427	(((
1428	1428
	1498	+
	1499	+
1429	1429	)))
1430	1430
1431	1431	(((
...	...	@@ -1437,10 +1437,10 @@
1437	1437	)))
1438	1438
1439	1439	* (((
1440		-Connect sensor’s output to DI1+
	1511	+Connect sensor's output to DI1+
1441	1441	)))
1442	1442	* (((
1443		-Connect sensor’s GND DI1-.
	1514	+Connect sensor's GND DI1-.
1444	1444	)))
1445	1445
1446	1446	(((
...	...	@@ -1457,6 +1457,8 @@
1457	1457
1458	1458	(((
1459	1459
	1531	+
	1532	+
1460	1460	)))
1461	1461
1462	1462	(((
...	...	@@ -1468,10 +1468,10 @@
1468	1468	)))
1469	1469
1470	1470	* (((
1471		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1544	+Connect sensor's output to DI1+ with a serial 50K resistor
1472	1472	)))
1473	1473	* (((
1474		-Connect sensor’s GND DI1-.
	1547	+Connect sensor's GND DI1-.
1475	1475	)))
1476	1476
1477	1477	(((
...	...	@@ -1490,6 +1490,7 @@
1490	1490
1491	1491	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1492	1492
	1566	+
1493	1493	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1494	1494
1495	1495	[[image:1653357531600-905.png]]
...	...	@@ -1498,6 +1498,7 @@
1498	1498
1499	1499	=== 3.6.4 Analog Input Interface ===
1500	1500
	1575	+
1501	1501	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:
1502	1502
1503	1503
...	...	@@ -1510,13 +1510,13 @@
1510	1510	We take the wind speed sensor as an example for reference only.
1511	1511
1512	1512
1513		-**Specifications of the wind speed sensor:**
	1588	+(% style="color:blue" %)**Specifications of the wind speed sensor:**
1514	1514
1515		-Red:  12~~24v
	1590	+**Red:  12~~24v**
1516	1516
1517		-Yellow:  4~~20mA
	1592	+**Yellow:  4~~20mA**
1518	1518
1519		-Black:  GND
	1594	+**Black:  GND**
1520	1520
1521	1521
1522	1522	**Connection diagram:**
...	...	@@ -1529,6 +1529,7 @@
1529	1529
1530	1530	=== 3.6.5 Relay Output ===
1531	1531
	1607	+
1532	1532	(((
1533	1533	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:
1534	1534	)))
...	...	@@ -1535,6 +1535,7 @@
1535	1535
1536	1536	[[image:image-20220524100215-9.png]]
1537	1537
	1614	+
1538	1538	[[image:image-20220524100215-10.png||height="382" width="723"]]
1539	1539
1540	1540
...	...	@@ -1541,15 +1541,25 @@
1541	1541
1542	1542	== 3.7 LEDs Indicators ==
1543	1543
	1621	+
1544	1544	[[image:image-20220524100748-11.png]]
1545	1545
1546	1546
	1625	+
1547	1547	= 4. Use AT Command =
1548	1548
	1628	+
1549	1549	== 4.1 Access AT Command ==
1550	1550
	1631	+
	1632	+(((
1551	1551	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.
	1634	+)))
1552	1552
	1636	+(((
	1637	+
	1638	+)))
	1639	+
1553	1553	[[image:1653358238933-385.png]]
1554	1554
1555	1555
...	...	@@ -1577,7 +1577,7 @@
1577	1577	)))
1578	1578
1579	1579	(((
1580		-AT+<CMD>=?       : Get the value
	1667	+AT+<CMD>=?       :  Get the value
1581	1581	)))
1582	1582
1583	1583	(((
...	...	@@ -1605,11 +1605,11 @@
1605	1605	)))
1606	1606
1607	1607	(((
1608		-AT+APPSKEY: Get or Set the Application Session Key
	1695	+AT+APPSKEY:  Get or Set the Application Session Key
1609	1609	)))
1610	1610
1611	1611	(((
1612		-AT+APPEUI: Get or Set the Application EUI
	1699	+AT+APPEUI:  Get or Set the Application EUI
1613	1613	)))
1614	1614
1615	1615	(((
...	...	@@ -1621,7 +1621,7 @@
1621	1621	)))
1622	1622
1623	1623	(((
1624		-AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1711	+AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1625	1625	)))
1626	1626
1627	1627	(((
...	...	@@ -1657,7 +1657,7 @@
1657	1657	)))
1658	1658
1659	1659	(((
1660		-AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1747	+AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1661	1661	)))
1662	1662
1663	1663	(((
...	...	@@ -1701,7 +1701,7 @@
1701	1701	)))
1702	1702
1703	1703	(((
1704		-AT+VER: Get current image version and Frequency Band
	1791	+AT+VER:  Get current image version and Frequency Band
1705	1705	)))
1706	1706
1707	1707	(((
...	...	@@ -1709,7 +1709,7 @@
1709	1709	)))
1710	1710
1711	1711	(((
1712		-AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1799	+AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1713	1713	)))
1714	1714
1715	1715	(((
...	...	@@ -1746,8 +1746,6 @@
1746	1746
1747	1747	(((
1748	1748	AT+CFG: Print all settings
1749		-
1750		-
1751	1751	)))
1752	1752
1753	1753
...	...	@@ -1754,47 +1754,48 @@
1754	1754
1755	1755	== 4.2 Common AT Command Sequence ==
1756	1756
	1842	+
1757	1757	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1758	1758
1759	1759	(((
1760	1760
1761	1761
1762		-**If device has not joined network yet:**
	1848	+(((
	1849	+(% style="color:blue" %)**If device has not joined network yet:**
1763	1763	)))
	1851	+)))
1764	1764
1765	1765	(((
1766		-(% style="background-color:#dcdcdc" %)123456
	1854	+(% style="background-color:#dcdcdc" %)**123456**
1767	1767	)))
1768	1768
1769	1769	(((
1770		-(% style="background-color:#dcdcdc" %)AT+FDR
	1858	+(% style="background-color:#dcdcdc" %)**AT+FDR**
1771	1771	)))
1772	1772
1773	1773	(((
1774		-(% style="background-color:#dcdcdc" %)123456
	1862	+(% style="background-color:#dcdcdc" %)**123456**
1775	1775	)))
1776	1776
1777	1777	(((
1778		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1866	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1779	1779	)))
1780	1780
1781	1781	(((
1782		-(% style="background-color:#dcdcdc" %)ATZ
	1870	+(% style="background-color:#dcdcdc" %)**ATZ**
1783	1783	)))
1784	1784
1785	1785
1786	1786	(((
1787		-**If device already joined network:**
	1875	+(% style="color:blue" %)**If device already joined network:**
1788	1788	)))
1789	1789
1790	1790	(((
1791		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1879	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1792	1792	)))
1793	1793
1794	1794	(((
1795		-(% style="background-color:#dcdcdc" %)ATZ
1796		-
1797		-
	1883	+(% style="background-color:#dcdcdc" %)**ATZ**
1798	1798	)))
1799	1799
1800	1800
...	...	@@ -1804,55 +1804,57 @@
1804	1804	(((
1805	1805
1806	1806
1807		-(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
	1893	+(((
	1894	+(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1808	1808	)))
	1896	+)))
1809	1809
1810	1810	(((
1811		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1899	+(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1812	1812	)))
1813	1813
1814	1814	(((
1815		-(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
	1903	+(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1816	1816	)))
1817	1817
1818	1818	(((
1819		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1907	+(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1820	1820	)))
1821	1821
1822	1822	(((
1823		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
	1911	+(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1824	1824	)))
1825	1825
1826	1826	(((
1827		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
	1915	+(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1828	1828	)))
1829	1829
1830	1830	(((
1831		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1919	+(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1832	1832	)))
1833	1833
1834	1834	(((
1835		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1923	+(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1836	1836	)))
1837	1837
1838	1838	(((
1839		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1927	+(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1840	1840	)))
1841	1841
1842	1842	(((
1843		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
	1931	+(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1844	1844	)))
1845	1845
1846	1846	(((
1847		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1935	+(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1848	1848	)))
1849	1849
1850	1850	(((
1851		-(% 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.
	1939	+(% 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.
1852	1852	)))
1853	1853
1854	1854	(((
1855		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1943	+(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1856	1856
1857	1857
1858	1858	)))
...	...	@@ -1862,10 +1862,16 @@
1862	1862	)))
1863	1863
1864	1864	(((
1865		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1866		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1867		-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.
1868		-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
	1953	+**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1954	+
	1955	+**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
	1956	+
	1957	+**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?
	1958	+dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
	1959	+
	1960	+**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**
	1961	+
	1962	+
1869	1869	)))
1870	1870
1871	1871	(((
...	...	@@ -1879,13 +1879,19 @@
1879	1879
1880	1880	=== 4.2.3 Change to Class A ===
1881	1881
1882		-If sensor JOINED
1883		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
1884		-ATZ
1885	1885
	1977	+(((
	1978	+(% style="color:blue" %)If sensor JOINED:
1886	1886
	1980	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1981	+ATZ**
	1982	+)))
	1983	+
	1984	+
	1985	+
1887	1887	= 5. FAQ =
1888	1888
	1988	+
1889	1889	== 5.1 How to upgrade the image? ==
1890	1890
1891	1891
...	...	@@ -1902,14 +1902,18 @@
1902	1902
1903	1903	(((
1904	1904	(% 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]].
1905		-(% 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/]].
	2005	+(% 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]].
1906	1906	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1907	1907
1908	1908
	2009	+(((
1909	1909	(% style="color:blue" %)**For LT-22222-L**(%%):
1910		-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.
	2011	+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.
1911	1911	)))
1912	1912
	2014	+
	2015	+)))
	2016	+
1913	1913	[[image:image-20220524103407-12.png]]
1914	1914
1915	1915	[[image:image-20220524103429-13.png]]
...	...	@@ -1919,6 +1919,7 @@
1919	1919
1920	1920	(% 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:
1921	1921
	2026	+
1922	1922	[[image:1653360054704-518.png||height="186" width="745"]]
1923	1923
1924	1924
...	...	@@ -1927,6 +1927,8 @@
1927	1927
1928	1928
1929	1929	== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2035	+
	2036	+
1930	1930	)))
1931	1931	)))
1932	1932
...	...	@@ -1937,7 +1937,10 @@
1937	1937	(((
1938	1938
1939	1939
	2047	+
1940	1940	== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2049	+
	2050	+
1941	1941	)))
1942	1942
1943	1943	(((
...	...	@@ -1950,38 +1950,45 @@
1950	1950	(((
1951	1951	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1952	1952
	2063	+
1953	1953
1954	1954	)))
1955	1955	)))
1956	1956
1957	1957	(((
1958		-(% 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.
	2069	+(% 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.
	2070	+
	2071	+
1959	1959	)))
1960	1960
1961	1961	(((
1962	1962	[[image:1653360231087-571.png||height="401" width="727"]]
	2076	+
	2077	+
1963	1963	)))
1964	1964
1965	1965	(((
1966		-(% 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.
	2081	+(% 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.**
1967	1967	)))
1968	1968
1969	1969
	2085	+
1970	1970	(((
1971		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2087	+(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2088	+
	2089	+
1972	1972	)))
1973	1973
1974	1974	(((
1975		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1976		-(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1977		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1978		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1979		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1980		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1981		-(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1982		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1983		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1984		-(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
	2093	+(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2094	+(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2095	+(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2096	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2097	+(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2098	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2099	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2100	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2101	+(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1985	1985	)))
1986	1986
1987	1987
...	...	@@ -1992,20 +1992,28 @@
1992	1992	[[image:1653360498588-932.png||height="485" width="726"]]
1993	1993
1994	1994
	2112	+
1995	1995	== 5.4 Can I see counting event in Serial? ==
1996	1996
	2115	+
1997	1997	(((
1998		-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.
	2117	+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.
1999	1999
2000	2000
	2120	+
2001	2001	== 5.5 Can i use point to point communication for LT-22222-L? ==
2002	2002
	2123	+
2003	2003	Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	2125	+
	2126	+
	2127	+
2004	2004	)))
2005	2005
2006	2006	(((
2007	2007	== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2008	2008
	2133	+
2009	2009	If the device is not shut down, but directly powered off.
2010	2010
2011	2011	It will default that this is a power-off state.
...	...	@@ -2014,12 +2014,28 @@
2014	2014
2015	2015	After restart, the status before power failure will be read from flash.
2016	2016
	2142	+
	2143	+
	2144	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2145	+
	2146	+
	2147	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2148	+
	2149	+
	2150	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2151	+
	2152	+
	2153	+
2017	2017	= 6. Trouble Shooting =
	2155	+
	2156	+
2018	2018	)))
2019	2019
2020	2020	(((
2021	2021	(((
2022		-== 6.1 Downlink doesn’t work, how to solve it? ==
	2161	+== 6.1 Downlink doesn't work, how to solve it? ==
	2162	+
	2163	+
2023	2023	)))
2024	2024	)))
2025	2025
...	...	@@ -2030,7 +2030,10 @@
2030	2030	(((
2031	2031
2032	2032
	2174	+
2033	2033	== 6.2 Have trouble to upload image. ==
	2176	+
	2177	+
2034	2034	)))
2035	2035
2036	2036	(((
...	...	@@ -2040,7 +2040,10 @@
2040	2040	(((
2041	2041
2042	2042
2043		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	2187	+
	2188	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2189	+
	2190	+
2044	2044	)))
2045	2045
2046	2046	(((
...	...	@@ -2054,19 +2054,20 @@
2054	2054
2055	2055	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2056	2056
2057		-
2058	2058	(% style="color:#4f81bd" %)**XXX:**
2059	2059
2060		-* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2061		-* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2062		-* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2063		-* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2064		-* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2065		-* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2066		-* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2067		-* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2068		-* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	2206	+* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
	2207	+* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
	2208	+* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
	2209	+* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
	2210	+* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
	2211	+* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
	2212	+* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
	2213	+* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
	2214	+* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2069	2069
	2216	+
	2217	+
2070	2070	= 8. Packing Info =
2071	2071
2072	2072
...	...	@@ -2084,18 +2084,25 @@
2084	2084	* Package Size / pcs : 14.5 x 8 x 5 cm
2085	2085	* Weight / pcs : 170g
2086	2086
	2235	+
	2236	+
2087	2087	= 9. Support =
2088	2088
	2239	+
2089	2089	* (((
2090	2090	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.
2091	2091	)))
2092	2092	* (((
2093	2093	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]]
	2245	+
	2246	+
	2247	+
	2248	+
2094	2094	)))
2095	2095
2096	2096	= 10. Reference​​​​​ =
2097	2097
	2253	+
2098	2098	* 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]]
2099		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2100		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	2255	+* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2101	2101	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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