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
...	...	@@ -183,9 +183,9 @@
183	183
184	184
185	185
186		-
187	187	== 1.4  Applications ==
188	188
	193	+
189	189	* Smart Buildings & Home Automation
190	190	* Logistics and Supply Chain Management
191	191	* Smart Metering
...	...	@@ -195,9 +195,9 @@
195	195
196	196
197	197
198		-
199	199	== 1.5 Hardware Variants ==
200	200
	205	+
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" %)(((
...	...	@@ -213,10 +213,15 @@
213	213
214	214	= 2. Power ON Device =
215	215
	221	+
	222	+(((
216	216	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.
	224	+)))
217	217
218	218	(((
219	219	PWR will on when device is properly powered.
	228	+
	229	+
220	220	)))
221	221
222	222	[[image:1653297104069-180.png]]
...	...	@@ -225,21 +225,27 @@
225	225
226	226	= 3. Operation Mode =
227	227
	238	+
228	228	== 3.1 How it works? ==
229	229
	241	+
230	230	(((
231		-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.
	243	+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.
232	232	)))
233	233
234	234	(((
235		-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.
	247	+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.
236	236	)))
237	237
238	238
	251	+
239	239	== 3.2 Example to join LoRaWAN network ==
240	240
	254	+
241	241	(((
242	242	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.
	257	+
	258	+
243	243	)))
244	244
245	245	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -247,6 +247,8 @@
247	247
248	248	(((
249	249	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:
	266	+
	267	+
250	250	)))
251	251
252	252	(((
...	...	@@ -262,18 +262,21 @@
262	262
263	263	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
264	264
265		-Add APP EUI in the application.
	283	+**Add APP EUI in the application.**
266	266
267	267	[[image:1653297955910-247.png||height="321" width="716"]]
268	268
269	269
270		-Add APP KEY and DEV EUI
	288	+**Add APP KEY and DEV EUI**
271	271
272	272	[[image:1653298023685-319.png]]
273	273
274	274
	293	+
275	275	(((
276	276	(% 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.
	296	+
	297	+
277	277	)))
278	278
279	279	[[image:1653298044601-602.png||height="405" width="709"]]
...	...	@@ -282,21 +282,24 @@
282	282
283	283	== 3.3 Uplink Payload ==
284	284
	306	+
285	285	There are five working modes + one interrupt mode on LT for different type application:
286	286
287		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
288		-* **MOD2**: Double DI Counting + DO + RO
289		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
290		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
291		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
292		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	309	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	310	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	311	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	312	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	313	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	314	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
293	293
294	294
295	295
296		-
297	297	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
298	298
	320	+
	321	+(((
299	299	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	323	+)))
300	300
301	301	[[image:image-20220523174024-3.png]]
302	302
...	...	@@ -312,7 +312,7 @@
312	312	* DI is for digital input. DIx=1: high or float, DIx=0: low.
313	313	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
314	314
315		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	339	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
316	316
317	317	For example if payload is: [[image:image-20220523175847-2.png]]
318	318
...	...	@@ -347,10 +347,14 @@
347	347	** DO1 is high in case there is load between DO1 and V+.
348	348	** DO1 LED is off in both case
349	349
	374	+
	375	+
350	350	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
351	351
352	352
	379	+(((
353	353	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	381	+)))
354	354
355	355	(((
356	356	Total : 11 bytes payload
...	...	@@ -370,7 +370,7 @@
370	370	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
371	371
372	372	(((
373		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	401	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
374	374	)))
375	375
376	376	(((
...	...	@@ -382,78 +382,53 @@
382	382	(% class="box infomessage" %)
383	383	(((
384	384	(((
	413	+(((
385	385	**AT+MOD=2**
386	386	)))
387		-)))
388	388
389		-(% class="box infomessage" %)
390	390	(((
391		-(((
392	392	**ATZ**
393	393	)))
394	394	)))
	421	+)))
395	395
396	396	(((
397	397
398	398
399	399	(% style="color:#4f81bd" %)**AT Commands for counting:**
	427	+
	428	+
400	400	)))
401	401
402	402	(((
403	403	**For LT22222-L:**
404		-)))
405	405
406		-(% class="box infomessage" %)
407		-(((
408		-(((
409		-**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
410		-)))
411		-)))
412	412
413		-(% class="box infomessage" %)
414		-(((
415		-(((
416		-**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
417		-)))
418		-)))
	435	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
419	419
420		-(% class="box infomessage" %)
421		-(((
422		-(((
423		-**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
424		-)))
425		-)))
	437	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
426	426
427		-(% class="box infomessage" %)
428		-(((
429		-(((
430		-**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
431		-)))
432		-)))
	439	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
433	433
434		-(% class="box infomessage" %)
435		-(((
436		-(((
437		-**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
438		-)))
439		-)))
	441	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
440	440
441		-(% class="box infomessage" %)
442		-(((
443		-(((
444		-**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
	443	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	444	+
	445	+(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
445	445	)))
446		-)))
447	447
448	448
449	449
450	450	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
451	451
	452	+
452	452	**LT22222-L**: This mode the DI1 is used as a counting pin.
453	453
454	454	[[image:image-20220523181246-5.png]]
455	455
456	456	(((
	458	+
	459	+
457	457	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
458	458	)))
459	459
...	...	@@ -464,9 +464,10 @@
464	464	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
465	465
466	466	(((
467		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	470	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
468	468	)))
469	469
	473	+
470	470	(((
471	471	**To use counting mode, please run:**
472	472	)))
...	...	@@ -474,16 +474,15 @@
474	474	(% class="box infomessage" %)
475	475	(((
476	476	(((
	481	+(((
477	477	**AT+MOD=3**
478	478	)))
479		-)))
480	480
481		-(% class="box infomessage" %)
482	482	(((
483		-(((
484	484	**ATZ**
485	485	)))
486	486	)))
	489	+)))
487	487
488	488	(((
489	489	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -494,9 +494,13 @@
494	494	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
495	495
496	496
	500	+(((
497	497	**LT22222-L**: This mode the DI1 is used as a counting pin.
	502	+)))
498	498
	504	+(((
499	499	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.
	506	+)))
500	500
501	501	[[image:image-20220523181903-8.png]]
502	502
...	...	@@ -512,7 +512,7 @@
512	512	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
513	513
514	514	(((
515		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	522	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
516	516	)))
517	517
518	518	(((
...	...	@@ -524,21 +524,17 @@
524	524	(% class="box infomessage" %)
525	525	(((
526	526	(((
	534	+(((
527	527	**AT+MOD=4**
528	528	)))
529		-)))
530	530
531		-(% class="box infomessage" %)
532	532	(((
533		-(((
534	534	**ATZ**
535	535	)))
536	536	)))
537		-
538		-(((
539		-
540	540	)))
541	541
	544	+
542	542	(((
543	543	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
544	544	)))
...	...	@@ -547,35 +547,16 @@
547	547
548	548
549	549	**Plus below command for AVI1 Counting:**
550		-)))
551	551
552		-(% class="box infomessage" %)
553		-(((
554		-(((
555		-**AT+SETCNT=3,60   (set AVI Count to 60)**
556		-)))
557		-)))
558	558
559		-(% class="box infomessage" %)
560		-(((
561		-(((
562		-**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
563		-)))
564		-)))
	555	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
565	565
566		-(% class="box infomessage" %)
567		-(((
568		-(((
569		-**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
570		-)))
571		-)))
	557	+(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
572	572
573		-(% class="box infomessage" %)
574		-(((
575		-(((
576		-**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
	559	+(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
	560	+
	561	+(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
577	577	)))
578		-)))
579	579
580	580
581	581
...	...	@@ -599,7 +599,7 @@
599	599	)))
600	600
601	601	(((
602		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	586	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
603	603	)))
604	604
605	605	(((
...	...	@@ -611,16 +611,15 @@
611	611	(% class="box infomessage" %)
612	612	(((
613	613	(((
	598	+(((
614	614	**AT+MOD=5**
615	615	)))
616		-)))
617	617
618		-(% class="box infomessage" %)
619	619	(((
620		-(((
621	621	**ATZ**
622	622	)))
623	623	)))
	606	+)))
624	624
625	625	(((
626	626	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -635,8 +635,8 @@
635	635
636	636	For example, if user has configured below commands:
637	637
638		-* **AT+MOD=1 ** **~-~->** The normal working mode
639		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	621	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	622	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
640	640
641	641	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
642	642
...	...	@@ -643,12 +643,14 @@
643	643	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
644	644	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.**
645	645
646		-**AT Command to set Trigger Condition**:
	629	+(% style="color:#037691" %)**AT Command to set Trigger Condition**:
647	647
	631	+
648	648	(% style="color:#4f81bd" %)**Trigger base on voltage**:
649	649
650	650	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
651	651
	636	+
652	652	**Example:**
653	653
654	654	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)
...	...	@@ -661,6 +661,7 @@
661	661
662	662	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
663	663
	649	+
664	664	**Example:**
665	665
666	666	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -679,8 +679,9 @@
679	679	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
680	680
681	681
682		-**Downlink Command to set Trigger Condition:**
683	683
	669	+(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
	670	+
684	684	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
685	685
686	686	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
...	...	@@ -727,6 +727,7 @@
727	727	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
728	728
729	729
	717	+
730	730	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
731	731
732	732	[[image:image-20220524090249-3.png]]
...	...	@@ -738,6 +738,7 @@
738	738	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
739	739
740	740
	729	+
741	741	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
742	742
743	743	[[image:image-20220524090456-4.png]]
...	...	@@ -751,6 +751,7 @@
751	751	00000101: Means both DI1 and DI2 trigger are enabled.
752	752
753	753
	743	+
754	754	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
755	755
756	756	Downlink command to poll MOD6 status:
...	...	@@ -766,106 +766,109 @@
766	766	(((
767	767
768	768
769		-**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/]]
770		-
771		-
	759	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
772	772	)))
773	773
774	774
	763	+
775	775	== 3.4 ​Configure LT via AT or Downlink ==
776	776
	766	+
	767	+(((
777	777	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	769	+)))
778	778
779	779	(((
	772	+(((
780	780	There are two kinds of Commands:
781	781	)))
	775	+)))
782	782
783	783	* (% 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]]
784	784
785	785	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
786	786
	781	+
	782	+
	783	+
787	787	=== 3.4.1 Common Commands ===
788	788
	786	+
	787	+(((
789	789	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]]
	789	+)))
790	790
791	791
792	792
793	793	=== 3.4.2 Sensor related commands ===
794	794
	795	+
795	795	==== 3.4.2.1 Set Transmit Interval ====
796	796
	798	+
797	797	Set device uplink interval.
798	798
799		-* AT Command:
	801	+* (% style="color:#037691" %)**AT Command:**
800	800
801		-(% class="box infomessage" %)
802		-(((
803	803	**AT+TDC=N **
804		-)))
805	805
	805	+
806	806	**Example: **AT+TDC=30000. Means set interval to 30 seconds
807	807
808	808
809		-* Downlink Payload (prefix 0x01):
	809	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
810	810
811		-(% class="box infomessage" %)
812		-(((
813	813	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
814		-)))
815	815
816	816
817	817
	815	+
818	818	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
819	819
	818	+
820	820	Set work mode.
821	821
822		-* AT Command:
	821	+* (% style="color:#037691" %)**AT Command:**
823	823
824		-(% class="box infomessage" %)
825		-(((
826	826	**AT+MOD=N  **
827		-)))
828	828
	825	+
829	829	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
830	830
831	831
832		-* Downlink Payload (prefix 0x0A):
	829	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
833	833
834		-(% class="box infomessage" %)
835		-(((
836		-**0x0A aa     ~/~/ Same as AT+MOD=aa**
837		-)))
	831	+**0x0A aa    ** ~/~/ Same as AT+MOD=aa
838	838
839	839
840	840
	835	+
841	841	==== 3.4.2.3 Poll an uplink ====
842	842
843		-* AT Command:
844	844
	839	+* (% style="color:#037691" %)**AT Command:**
	840	+
845	845	There is no AT Command to poll uplink
846	846
847	847
848		-* Downlink Payload (prefix 0x08):
	844	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
849	849
850		-(% class="box infomessage" %)
851		-(((
852		-**0x08 FF     ~/~/ Poll an uplink,**
853		-)))
	846	+**0x08 FF     **~/~/ Poll an uplink
854	854
	848	+
855	855	**Example**: 0x08FF, ask device to send an Uplink
856	856
857	857
858	858
	853	+
859	859	==== 3.4.2.4 Enable Trigger Mode ====
860	860
	856	+
861	861	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
862	862
863		-* AT Command:
	859	+* (% style="color:#037691" %)**AT Command:**
864	864
865		-(% class="box infomessage" %)
866		-(((
867	867	**AT+ADDMOD6=1 or 0**
868		-)))
869	869
870	870	1: Enable Trigger Mode
871	871
...	...	@@ -872,43 +872,38 @@
872	872	0: Disable Trigger Mode
873	873
874	874
875		-* Downlink Payload (prefix 0x0A 06):
	868	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
876	876
877		-(% class="box infomessage" %)
878		-(((
879		-**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
880		-)))
	870	+**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
881	881
882	882
883	883
	874	+
884	884	==== 3.4.2.5 Poll trigger settings ====
885	885
	877	+
886	886	Poll trigger settings,
887	887
888		-* AT Command:
	880	+* (% style="color:#037691" %)**AT Command:**
889	889
890	890	There is no AT Command for this feature.
891	891
892	892
893		-* Downlink Payload (prefix 0x AB 06):
	885	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
894	894
895		-(% class="box infomessage" %)
896		-(((
897		-**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
898		-)))
	887	+**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
899	899
900	900
901	901
	891	+
902	902	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
903	903
	894	+
904	904	Enable Disable DI1/DI2/DI2 as trigger,
905	905
906		-* AT Command:
	897	+* (% style="color:#037691" %)**AT Command:**
907	907
908		-(% class="box infomessage" %)
909		-(((
910	910	**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
911		-)))
912	912
913	913
914	914	**Example:**
...	...	@@ -915,25 +915,21 @@
915	915
916	916	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
917	917
918		-* Downlink Payload (prefix 0xAA 02):
	906	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
919	919
920		-(% class="box infomessage" %)
921		-(((
922		-**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
923		-)))
	908	+**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
924	924
925	925
926	926
	912	+
927	927	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
928	928
	915	+
929	929	Set DI1 or DI3(for LT-33222-L) trigger.
930	930
931		-* AT Command:
	918	+* (% style="color:#037691" %)**AT Command:**
932	932
933		-(% class="box infomessage" %)
934		-(((
935	935	**AT+TRIG1=a,b**
936		-)))
937	937
938	938	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
939	939
...	...	@@ -945,26 +945,19 @@
945	945	AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
946	946
947	947
948		-* Downlink Payload (prefix 0x09 01 ):
	932	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	933	+* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
949	949
950		-(% class="box infomessage" %)
951		-(((
952		-**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
953		-)))
954		-
955		-
956		-
957	957	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
958	958
	937	+
959	959	Set DI2 trigger.
960	960
961		-* AT Command:
	940	+* (% style="color:#037691" %)**AT Command:**
962	962
963		-(% class="box infomessage" %)
964		-(((
965	965	**AT+TRIG2=a,b**
966		-)))
967	967
	944	+
968	968	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
969	969
970	970	b : delay timing.
...	...	@@ -975,93 +975,82 @@
975	975	AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
976	976
977	977
978		-* Downlink Payload (prefix 0x09 02 ):
	955	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
979	979
980		-(% class="box infomessage" %)
981		-(((
982		-**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
983		-)))
	957	+**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
984	984
985	985
986	986
	961	+
987	987	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
988	988
	964	+
989	989	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
990	990
991		-* AT Command:
	967	+* (% style="color:#037691" %)**AT Command**
992	992
993		-(% class="box infomessage" %)
994		-(((
995		-**AT+ACLIM. **
996		-)))
	969	+**AT+ACLIM**
997	997
998	998
999		-* Downlink Payload (prefix 0xAA 01 ):
	972	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1000	1000
1001		-(% class="box infomessage" %)
1002		-(((
1003		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1004		-)))
	974	+**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005	1005
1006	1006
1007	1007
	978	+
1008	1008	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1009	1009
	981	+
1010	1010	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1011	1011
1012		-* AT Command:
	984	+* (% style="color:#037691" %)**AT Command**
1013	1013
1014		-(% class="box infomessage" %)
1015		-(((
1016		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1017		-)))
	986	+**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1018	1018
1019	1019
1020		-* Downlink Payload (prefix 0xAA 00 ):
	989	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1021	1021
1022		-(% class="box infomessage" %)
1023		-(((
1024		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
1025		-)))
	991	+**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1026	1026
1027	1027
1028	1028
	995	+
1029	1029	==== 3.4.2.11 Trigger – Set minimum interval ====
1030	1030
1031		-Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
1032	1032
1033		-* AT Command:
	999	+Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1034	1034
1035		-(% class="box infomessage" %)
1036		-(((
1037		-**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1038		-)))
	1001	+* (% style="color:#037691" %)**AT Command**
1039	1039
	1003	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1040	1040
1041		-* Downlink Payload (prefix 0xAC ):
1042	1042
1043		-(% class="box infomessage" %)
	1006	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
	1007	+
	1008	+**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	1009	+
1044	1044	(((
1045		-**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
	1011	+
	1012	+
	1013	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1046	1046	)))
1047	1047
1048	1048
1049	1049
	1018	+
1050	1050	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1051	1051
1052		-* AT Command:
1053	1053
	1022	+* (% style="color:#037691" %)**AT Command**
	1023	+
1054	1054	There is no AT Command to control Digital Output
1055	1055
1056	1056
1057		-* Downlink Payload (prefix 0x02):
	1027	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	1028	+* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1058	1058
1059		-(% class="box infomessage" %)
1060	1060	(((
1061		-**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1062		-)))
1063		-
1064		-(((
1065	1065	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1066	1066	)))
1067	1067
...	...	@@ -1072,31 +1072,29 @@
1072	1072	[[image:image-20220524092754-5.png]]
1073	1073
1074	1074	(((
1075		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1041	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1076	1076	)))
1077	1077
1078	1078	(((
1079		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1045	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1080	1080	)))
1081	1081
1082	1082
1083	1083
	1050	+
1084	1084	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1085	1085
1086		-* AT Command:
1087	1087
	1054	+* (% style="color:#037691" %)**AT Command**
	1055	+
1088	1088	There is no AT Command to control Digital Output
1089	1089
1090	1090
1091		-* Downlink Payload (prefix 0xA9):
	1059	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1092	1092
1093		-(% class="box infomessage" %)
1094		-(((
1095		-(((
1096		-**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1097		-)))
1098		-)))
	1061	+**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1099	1099
	1063	+
1100	1100	This is to control the digital output time of DO pin. Include four bytes:
1101	1101
1102	1102	(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
...	...	@@ -1123,11 +1123,11 @@
1123	1123	[[image:image-20220524093351-8.png]]
1124	1124
1125	1125
1126		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1090	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1127	1127
1128	1128	Latching time. Unit: ms
1129	1129
1130		-Device will upload a packet if downlink code executes successfully.
	1094	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1131	1131
1132	1132
1133	1133	**Example payload:**
...	...	@@ -1150,20 +1150,20 @@
1150	1150
1151	1151
1152	1152
	1117	+
1153	1153	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1154	1154
1155		-* AT Command:
1156	1156
	1121	+* (% style="color:#037691" %)**AT Command:**
	1122	+
1157	1157	There is no AT Command to control Relay Output
1158	1158
1159	1159
1160		-* Downlink Payload (prefix 0x03):
	1126	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1161	1161
1162		-(% class="box infomessage" %)
1163		-(((
1164		-**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1165		-)))
	1128	+**0x03 aa bb     **~/~/ Set RO1/RO2 output
1166	1166
	1130	+
1167	1167	(((
1168	1168	If payload = 0x030100, it means set RO1 to close and RO2 to open.
1169	1169	)))
...	...	@@ -1176,24 +1176,24 @@
1176	1176	[[image:image-20220524093724-9.png]]
1177	1177	)))
1178	1178
1179		-Device will upload a packet if downlink code executes successfully.
	1143	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1180	1180
1181	1181
1182	1182
	1147	+
1183	1183	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1184	1184
1185		-* AT Command:
1186	1186
	1151	+* (% style="color:#037691" %)**AT Command:**
	1152	+
1187	1187	There is no AT Command to control Relay Output
1188	1188
1189	1189
1190		-* Downlink Payload (prefix 0x05):
	1156	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1191	1191
1192		-(% class="box infomessage" %)
1193		-(((
1194		-**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1195		-)))
	1158	+**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1196	1196
	1160	+
1197	1197	This is to control the relay output time of relay. Include four bytes:
1198	1198
1199	1199	(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
...	...	@@ -1207,63 +1207,57 @@
1207	1207
1208	1208	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1209	1209
1210		-[[image:image-20220524093831-10.png]]
	1174	+[[image:image-20221008095908-1.png||height="364" width="564"]]
1211	1211
1212	1212
1213		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1177	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1214	1214
1215		-Device will upload a packet if downlink code executes successfully.
	1179	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1216	1216
1217	1217
1218	1218	**Example payload:**
1219	1219
1220		-**~1. 05 01 11 07 D0**
	1184	+**~1. 05 01 11 07 D**
1221	1221
1222		-Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
	1186	+Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1223	1223
1224	1224	**2. 05 01 10 07 D0**
1225	1225
1226		-Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
	1190	+Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1227	1227
1228	1228	**3. 05 00 01 07 D0**
1229	1229
1230		-Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
	1194	+Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1231	1231
1232	1232	**4. 05 00 00 07 D0**
1233	1233
1234		-Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
	1198	+Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1235	1235
1236	1236
1237	1237
1238	1238	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1239	1239
	1204	+
1240	1240	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1241	1241
1242		-* AT Command:
	1207	+* (% style="color:#037691" %)**AT Command:**
1243	1243
1244		-(% class="box infomessage" %)
1245		-(((
1246		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1247		-)))
	1209	+**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1248	1248
1249	1249
1250		-* Downlink Payload (prefix 0xA5):
	1212	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1251	1251
1252		-(% class="box infomessage" %)
1253		-(((
1254		-**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1255		-)))
	1214	+**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1256	1256
1257	1257
1258	1258
	1218	+
1259	1259	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1260	1260
1261		-* AT Command:
1262	1262
1263		-(% class="box infomessage" %)
1264		-(((
	1222	+* (% style="color:#037691" %)**AT Command:**
	1223	+
1265	1265	**AT+SETCNT=aa,(bb cc dd ee) **
1266		-)))
1267	1267
1268	1268	aa: 1: Set count1,
1269	1269
...	...	@@ -1274,60 +1274,166 @@
1274	1274	Bb cc dd ee: number to be set
1275	1275
1276	1276
1277		-* Downlink Payload (prefix 0xA8):
	1235	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1278	1278
1279		-(% class="box infomessage" %)
1280		-(((
1281		-**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1282		-)))
	1237	+**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1283	1283
1284	1284
1285	1285
	1241	+
1286	1286	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1287	1287
	1244	+
1288	1288	Clear counting for counting mode
1289	1289
1290		-* AT Command:
	1247	+* (% style="color:#037691" %)**AT Command:**
1291	1291
1292		-(% class="box infomessage" %)
1293		-(((
1294		-**AT+CLRCOUNT ~/~/ clear all counting**
1295		-)))
	1249	+**AT+CLRCOUNT ** ~/~/ clear all counting
1296	1296
1297		-* Downlink Payload (prefix 0xA6):
1298	1298
1299		-(% class="box infomessage" %)
1300		-(((
1301		-**0x A6 01     ~/~/ clear all counting,**
1302		-)))
	1252	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1303	1303
	1254	+**0x A6 01    ** ~/~/ clear all counting
1304	1304
1305	1305
	1257	+
	1258	+
1306	1306	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1307	1307
1308		-* AT Command:
1309	1309
1310		-(% class="box infomessage" %)
1311		-(((
1312		-**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1313		-)))
	1262	+* (% style="color:#037691" %)**AT Command:**
1314	1314
1315		-* Downlink Payload (prefix 0xA7):
	1264	+**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1316	1316
1317		-(% class="box infomessage" %)
	1266	+
	1267	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
	1268	+
	1269	+**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
	1270	+
1318	1318	(((
1319		-**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
	1272	+range: aa bb cc:0 to 16777215,  (unit:second)
	1273	+
	1274	+
	1275	+
	1276	+
1320	1320	)))
1321	1321
	1279	+==== 3.4.2.20 Reset save DR DO state ====
	1280	+
	1281	+
	1282	+* (% style="color:#037691" %)**AT Command:**
	1283	+
	1284	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
	1285	+
	1286	+**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.
	1287	+
	1288	+
	1289	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1290	+
	1291	+**0x AD aa      **~/~/ same as AT+RODORET =aa
	1292	+
1322	1322	(((
1323		-range: aa bb cc:0 to 16777215,  (unit:second)
	1294	+
1324	1324
	1296	+
	1297	+
	1298	+==== 3.4.2.21 Encrypted payload ====
	1299	+
	1300	+
	1301	+* (% style="color:#037691" %)**AT Command:**
	1302	+
	1303	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1304	+
	1305	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1306	+
	1307	+
	1308	+
	1309	+
	1310	+==== 3.4.2.22 Get sensor value ====
	1311	+
	1312	+
	1313	+* (% style="color:#037691" %)**AT Command:**
	1314	+
	1315	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1316	+
	1317	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1318	+
	1319	+
	1320	+
	1321	+
	1322	+==== 3.4.2.23 Resets the downlink packet count ====
	1323	+
	1324	+
	1325	+* (% style="color:#037691" %)**AT Command:**
	1326	+
	1327	+**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)
	1328	+
	1329	+**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.
	1330	+
	1331	+
	1332	+
	1333	+
	1334	+==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
	1335	+
	1336	+
	1337	+* (% style="color:#037691" %)**AT Command:**
	1338	+
	1339	+ **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)
	1340	+
	1341	+ **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.
	1342	+
	1343	+
	1344	+* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1345	+
	1346	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1347	+
	1348	+
	1349	+
	1350	+
	1351	+==== 3.4.2.25 Copy downlink to uplink ====
	1352	+
	1353	+
	1354	+* (% style="color:#037691" %)**AT Command**(%%)**:**
	1355	+
	1356	+ **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.
	1357	+
	1358	+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.
	1359	+
	1360	+
	1361	+[[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"]]
	1362	+
	1363	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1364	+
	1365	+
	1366	+
	1367	+[[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"]]
	1368	+
	1369	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1370	+
	1371	+
	1372	+
	1373	+==== 3.4.2.26 Query version number and frequency band 、TDC ====
	1374	+
	1375	+
	1376	+* (((
	1377	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1378	+
	1379	+**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1380	+
1325	1325
1326	1326	)))
1327	1327
	1384	+**Example：**
1328	1328
	1386	+[[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"]]
	1387	+
	1388	+
	1389	+
	1390	+)))
	1391	+
1329	1329	== 3.5 Integrate with Mydevice ==
1330	1330
	1394	+
1331	1331	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:
1332	1332
1333	1333	(((
...	...	@@ -1336,14 +1336,15 @@
1336	1336
1337	1337	(((
1338	1338	(% 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:
	1403	+
	1404	+
1339	1339	)))
1340	1340
1341		-[[image:1653356737703-362.png||height="232" width="732"]]
	1407	+[[image:image-20220719105525-1.png||height="377" width="677"]]
1342	1342
1343		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1344	1344
1345	1345
1346		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1411	+[[image:image-20220719110247-2.png||height="388" width="683"]]
1347	1347
1348	1348
1349	1349	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
...	...	@@ -1376,8 +1376,10 @@
1376	1376
1377	1377	== 3.6 Interface Detail ==
1378	1378
	1444	+
1379	1379	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1380	1380
	1447	+
1381	1381	Support NPN Type sensor
1382	1382
1383	1383	[[image:1653356991268-289.png]]
...	...	@@ -1386,6 +1386,7 @@
1386	1386
1387	1387	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1388	1388
	1456	+
1389	1389	(((
1390	1390	The DI port of LT-22222-L can support NPN or PNP output sensor.
1391	1391	)))
...	...	@@ -1392,7 +1392,9 @@
1392	1392
1393	1393	(((
1394	1394	(((
1395		-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
	1463	+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.
	1464	+
	1465	+
1396	1396	)))
1397	1397	)))
1398	1398
...	...	@@ -1417,10 +1417,10 @@
1417	1417	)))
1418	1418
1419	1419	* (((
1420		-Connect sensor’s output to DI1-
	1490	+Connect sensor's output to DI1-
1421	1421	)))
1422	1422	* (((
1423		-Connect sensor’s VCC to DI1+.
	1493	+Connect sensor's VCC to DI1+.
1424	1424	)))
1425	1425
1426	1426	(((
...	...	@@ -1428,15 +1428,17 @@
1428	1428	)))
1429	1429
1430	1430	(((
1431		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1501	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1432	1432	)))
1433	1433
1434	1434	(((
1435		-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.
	1505	+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.
1436	1436	)))
1437	1437
1438	1438	(((
1439	1439
	1510	+
	1511	+
1440	1440	)))
1441	1441
1442	1442	(((
...	...	@@ -1448,10 +1448,10 @@
1448	1448	)))
1449	1449
1450	1450	* (((
1451		-Connect sensor’s output to DI1+
	1523	+Connect sensor's output to DI1+
1452	1452	)))
1453	1453	* (((
1454		-Connect sensor’s GND DI1-.
	1526	+Connect sensor's GND DI1-.
1455	1455	)))
1456	1456
1457	1457	(((
...	...	@@ -1468,6 +1468,8 @@
1468	1468
1469	1469	(((
1470	1470
	1543	+
	1544	+
1471	1471	)))
1472	1472
1473	1473	(((
...	...	@@ -1479,10 +1479,10 @@
1479	1479	)))
1480	1480
1481	1481	* (((
1482		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1556	+Connect sensor's output to DI1+ with a serial 50K resistor
1483	1483	)))
1484	1484	* (((
1485		-Connect sensor’s GND DI1-.
	1559	+Connect sensor's GND DI1-.
1486	1486	)))
1487	1487
1488	1488	(((
...	...	@@ -1501,6 +1501,7 @@
1501	1501
1502	1502	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1503	1503
	1578	+
1504	1504	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1505	1505
1506	1506	[[image:1653357531600-905.png]]
...	...	@@ -1509,6 +1509,7 @@
1509	1509
1510	1510	=== 3.6.4 Analog Input Interface ===
1511	1511
	1587	+
1512	1512	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:
1513	1513
1514	1514
...	...	@@ -1521,13 +1521,13 @@
1521	1521	We take the wind speed sensor as an example for reference only.
1522	1522
1523	1523
1524		-**Specifications of the wind speed sensor:**
	1600	+(% style="color:blue" %)**Specifications of the wind speed sensor:**
1525	1525
1526		-Red:  12~~24v
	1602	+**Red:  12~~24v**
1527	1527
1528		-Yellow:  4~~20mA
	1604	+**Yellow:  4~~20mA**
1529	1529
1530		-Black:  GND
	1606	+**Black:  GND**
1531	1531
1532	1532
1533	1533	**Connection diagram:**
...	...	@@ -1540,6 +1540,7 @@
1540	1540
1541	1541	=== 3.6.5 Relay Output ===
1542	1542
	1619	+
1543	1543	(((
1544	1544	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:
1545	1545	)))
...	...	@@ -1546,6 +1546,7 @@
1546	1546
1547	1547	[[image:image-20220524100215-9.png]]
1548	1548
	1626	+
1549	1549	[[image:image-20220524100215-10.png||height="382" width="723"]]
1550	1550
1551	1551
...	...	@@ -1552,15 +1552,25 @@
1552	1552
1553	1553	== 3.7 LEDs Indicators ==
1554	1554
	1633	+
1555	1555	[[image:image-20220524100748-11.png]]
1556	1556
1557	1557
	1637	+
1558	1558	= 4. Use AT Command =
1559	1559
	1640	+
1560	1560	== 4.1 Access AT Command ==
1561	1561
	1643	+
	1644	+(((
1562	1562	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.
	1646	+)))
1563	1563
	1648	+(((
	1649	+
	1650	+)))
	1651	+
1564	1564	[[image:1653358238933-385.png]]
1565	1565
1566	1566
...	...	@@ -1588,7 +1588,7 @@
1588	1588	)))
1589	1589
1590	1590	(((
1591		-AT+<CMD>=?       : Get the value
	1679	+AT+<CMD>=?       :  Get the value
1592	1592	)))
1593	1593
1594	1594	(((
...	...	@@ -1616,11 +1616,11 @@
1616	1616	)))
1617	1617
1618	1618	(((
1619		-AT+APPSKEY: Get or Set the Application Session Key
	1707	+AT+APPSKEY:  Get or Set the Application Session Key
1620	1620	)))
1621	1621
1622	1622	(((
1623		-AT+APPEUI: Get or Set the Application EUI
	1711	+AT+APPEUI:  Get or Set the Application EUI
1624	1624	)))
1625	1625
1626	1626	(((
...	...	@@ -1632,7 +1632,7 @@
1632	1632	)))
1633	1633
1634	1634	(((
1635		-AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1723	+AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1636	1636	)))
1637	1637
1638	1638	(((
...	...	@@ -1668,7 +1668,7 @@
1668	1668	)))
1669	1669
1670	1670	(((
1671		-AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1759	+AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1672	1672	)))
1673	1673
1674	1674	(((
...	...	@@ -1712,7 +1712,7 @@
1712	1712	)))
1713	1713
1714	1714	(((
1715		-AT+VER: Get current image version and Frequency Band
	1803	+AT+VER:  Get current image version and Frequency Band
1716	1716	)))
1717	1717
1718	1718	(((
...	...	@@ -1720,7 +1720,7 @@
1720	1720	)))
1721	1721
1722	1722	(((
1723		-AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1811	+AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1724	1724	)))
1725	1725
1726	1726	(((
...	...	@@ -1757,8 +1757,6 @@
1757	1757
1758	1758	(((
1759	1759	AT+CFG: Print all settings
1760		-
1761		-
1762	1762	)))
1763	1763
1764	1764
...	...	@@ -1765,47 +1765,48 @@
1765	1765
1766	1766	== 4.2 Common AT Command Sequence ==
1767	1767
	1854	+
1768	1768	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1769	1769
1770	1770	(((
1771	1771
1772	1772
1773		-**If device has not joined network yet:**
	1860	+(((
	1861	+(% style="color:blue" %)**If device has not joined network yet:**
1774	1774	)))
	1863	+)))
1775	1775
1776	1776	(((
1777		-(% style="background-color:#dcdcdc" %)123456
	1866	+(% style="background-color:#dcdcdc" %)**123456**
1778	1778	)))
1779	1779
1780	1780	(((
1781		-(% style="background-color:#dcdcdc" %)AT+FDR
	1870	+(% style="background-color:#dcdcdc" %)**AT+FDR**
1782	1782	)))
1783	1783
1784	1784	(((
1785		-(% style="background-color:#dcdcdc" %)123456
	1874	+(% style="background-color:#dcdcdc" %)**123456**
1786	1786	)))
1787	1787
1788	1788	(((
1789		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1878	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1790	1790	)))
1791	1791
1792	1792	(((
1793		-(% style="background-color:#dcdcdc" %)ATZ
	1882	+(% style="background-color:#dcdcdc" %)**ATZ**
1794	1794	)))
1795	1795
1796	1796
1797	1797	(((
1798		-**If device already joined network:**
	1887	+(% style="color:blue" %)**If device already joined network:**
1799	1799	)))
1800	1800
1801	1801	(((
1802		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1891	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1803	1803	)))
1804	1804
1805	1805	(((
1806		-(% style="background-color:#dcdcdc" %)ATZ
1807		-
1808		-
	1895	+(% style="background-color:#dcdcdc" %)**ATZ**
1809	1809	)))
1810	1810
1811	1811
...	...	@@ -1815,55 +1815,57 @@
1815	1815	(((
1816	1816
1817	1817
1818		-(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
	1905	+(((
	1906	+(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1819	1819	)))
	1908	+)))
1820	1820
1821	1821	(((
1822		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1911	+(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1823	1823	)))
1824	1824
1825	1825	(((
1826		-(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
	1915	+(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1827	1827	)))
1828	1828
1829	1829	(((
1830		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1919	+(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1831	1831	)))
1832	1832
1833	1833	(((
1834		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
	1923	+(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1835	1835	)))
1836	1836
1837	1837	(((
1838		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
	1927	+(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1839	1839	)))
1840	1840
1841	1841	(((
1842		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1931	+(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1843	1843	)))
1844	1844
1845	1845	(((
1846		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1935	+(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1847	1847	)))
1848	1848
1849	1849	(((
1850		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1939	+(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1851	1851	)))
1852	1852
1853	1853	(((
1854		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
	1943	+(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1855	1855	)))
1856	1856
1857	1857	(((
1858		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1947	+(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1859	1859	)))
1860	1860
1861	1861	(((
1862		-(% 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.
	1951	+(% 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.
1863	1863	)))
1864	1864
1865	1865	(((
1866		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1955	+(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1867	1867
1868	1868
1869	1869	)))
...	...	@@ -1873,10 +1873,16 @@
1873	1873	)))
1874	1874
1875	1875	(((
1876		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1877		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1878		-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.
1879		-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
	1965	+**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1966	+
	1967	+**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
	1968	+
	1969	+**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?
	1970	+dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
	1971	+
	1972	+**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**
	1973	+
	1974	+
1880	1880	)))
1881	1881
1882	1882	(((
...	...	@@ -1890,13 +1890,19 @@
1890	1890
1891	1891	=== 4.2.3 Change to Class A ===
1892	1892
1893		-If sensor JOINED
1894		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
1895		-ATZ
1896	1896
	1989	+(((
	1990	+(% style="color:blue" %)If sensor JOINED:
1897	1897
	1992	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1993	+ATZ**
	1994	+)))
	1995	+
	1996	+
	1997	+
1898	1898	= 5. FAQ =
1899	1899
	2000	+
1900	1900	== 5.1 How to upgrade the image? ==
1901	1901
1902	1902
...	...	@@ -1913,14 +1913,18 @@
1913	1913
1914	1914	(((
1915	1915	(% 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]].
1916		-(% 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/]].
	2017	+(% 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]].
1917	1917	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1918	1918
1919	1919
	2021	+(((
1920	1920	(% style="color:blue" %)**For LT-22222-L**(%%):
1921		-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.
	2023	+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.
1922	1922	)))
1923	1923
	2026	+
	2027	+)))
	2028	+
1924	1924	[[image:image-20220524103407-12.png]]
1925	1925
1926	1926	[[image:image-20220524103429-13.png]]
...	...	@@ -1930,6 +1930,7 @@
1930	1930
1931	1931	(% 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:
1932	1932
	2038	+
1933	1933	[[image:1653360054704-518.png||height="186" width="745"]]
1934	1934
1935	1935
...	...	@@ -1938,6 +1938,8 @@
1938	1938
1939	1939
1940	1940	== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2047	+
	2048	+
1941	1941	)))
1942	1942	)))
1943	1943
...	...	@@ -1948,7 +1948,10 @@
1948	1948	(((
1949	1949
1950	1950
	2059	+
1951	1951	== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2061	+
	2062	+
1952	1952	)))
1953	1953
1954	1954	(((
...	...	@@ -1961,38 +1961,45 @@
1961	1961	(((
1962	1962	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1963	1963
	2075	+
1964	1964
1965	1965	)))
1966	1966	)))
1967	1967
1968	1968	(((
1969		-(% 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.
	2081	+(% 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.
	2082	+
	2083	+
1970	1970	)))
1971	1971
1972	1972	(((
1973	1973	[[image:1653360231087-571.png||height="401" width="727"]]
	2088	+
	2089	+
1974	1974	)))
1975	1975
1976	1976	(((
1977		-(% 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.
	2093	+(% 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.**
1978	1978	)))
1979	1979
1980	1980
	2097	+
1981	1981	(((
1982		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2099	+(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2100	+
	2101	+
1983	1983	)))
1984	1984
1985	1985	(((
1986		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1987		-(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1988		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1989		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1990		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1991		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1992		-(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1993		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1994		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1995		-(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
	2105	+(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2106	+(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2107	+(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2108	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2109	+(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2110	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2111	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2112	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2113	+(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1996	1996	)))
1997	1997
1998	1998
...	...	@@ -2003,20 +2003,28 @@
2003	2003	[[image:1653360498588-932.png||height="485" width="726"]]
2004	2004
2005	2005
	2124	+
2006	2006	== 5.4 Can I see counting event in Serial? ==
2007	2007
	2127	+
2008	2008	(((
2009		-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.
	2129	+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.
2010	2010
2011	2011
	2132	+
2012	2012	== 5.5 Can i use point to point communication for LT-22222-L? ==
2013	2013
	2135	+
2014	2014	Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	2137	+
	2138	+
	2139	+
2015	2015	)))
2016	2016
2017	2017	(((
2018	2018	== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2019	2019
	2145	+
2020	2020	If the device is not shut down, but directly powered off.
2021	2021
2022	2022	It will default that this is a power-off state.
...	...	@@ -2025,12 +2025,28 @@
2025	2025
2026	2026	After restart, the status before power failure will be read from flash.
2027	2027
	2154	+
	2155	+
	2156	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2157	+
	2158	+
	2159	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2160	+
	2161	+
	2162	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2163	+
	2164	+
	2165	+
2028	2028	= 6. Trouble Shooting =
	2167	+
	2168	+
2029	2029	)))
2030	2030
2031	2031	(((
2032	2032	(((
2033		-== 6.1 Downlink doesn’t work, how to solve it? ==
	2173	+== 6.1 Downlink doesn't work, how to solve it? ==
	2174	+
	2175	+
2034	2034	)))
2035	2035	)))
2036	2036
...	...	@@ -2041,7 +2041,10 @@
2041	2041	(((
2042	2042
2043	2043
	2186	+
2044	2044	== 6.2 Have trouble to upload image. ==
	2188	+
	2189	+
2045	2045	)))
2046	2046
2047	2047	(((
...	...	@@ -2051,7 +2051,10 @@
2051	2051	(((
2052	2052
2053	2053
2054		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	2199	+
	2200	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2201	+
	2202	+
2055	2055	)))
2056	2056
2057	2057	(((
...	...	@@ -2065,19 +2065,20 @@
2065	2065
2066	2066	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2067	2067
2068		-
2069	2069	(% style="color:#4f81bd" %)**XXX:**
2070	2070
2071		-* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2072		-* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2073		-* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2074		-* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2075		-* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2076		-* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2077		-* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2078		-* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2079		-* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	2218	+* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
	2219	+* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
	2220	+* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
	2221	+* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
	2222	+* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
	2223	+* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
	2224	+* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
	2225	+* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
	2226	+* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2080	2080
	2228	+
	2229	+
2081	2081	= 8. Packing Info =
2082	2082
2083	2083
...	...	@@ -2095,18 +2095,25 @@
2095	2095	* Package Size / pcs : 14.5 x 8 x 5 cm
2096	2096	* Weight / pcs : 170g
2097	2097
	2247	+
	2248	+
2098	2098	= 9. Support =
2099	2099
	2251	+
2100	2100	* (((
2101	2101	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.
2102	2102	)))
2103	2103	* (((
2104	2104	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	+
2105	2105	)))
2106	2106
2107	2107	= 10. Reference​​​​​ =
2108	2108
	2265	+
2109	2109	* 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]]
2110		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2111		-* [[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]]
2112	2112	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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