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

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...	...	@@ -20,13 +20,11 @@
20	20	(((
21	21
22	22
23		-(((
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	)))
26		-)))
27	27
28	28	(((
29		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	27	+The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30	30	)))
31	31
32	32	(((
...	...	@@ -38,13 +38,11 @@
38	38	)))
39	39
40	40	(((
41		-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.
	39	+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	42	)))
43	43
44	44	(((
45	45	2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
46		-
47		-
48	48	)))
49	49
50	50	(((
...	...	@@ -53,16 +53,17 @@
53	53
54	54	)))
55	55
	52	+
56	56	== 1.2  Specifications ==
57	57
58	58	(((
59	59
60	60
61		-(% style="color:#037691" %)**Hardware System:**
	58	+**Hardware System:**
62	62	)))
63	63
64	64	* (((
65		-STM32L072xxxx MCU
	62	+STM32L072CZT6 MCU
66	66	)))
67	67	* (((
68	68	SX1276/78 Wireless Chip
...	...	@@ -83,7 +83,7 @@
83	83	(((
84	84
85	85
86		-(% style="color:#037691" %)**Interface for Model: LT22222-L:**
	83	+**Interface for Model: LT22222-L:**
87	87	)))
88	88
89	89	* (((
...	...	@@ -108,7 +108,7 @@
108	108	(((
109	109
110	110
111		-(% style="color:#037691" %)**LoRa Spec:**
	108	+**LoRa Spec:**
112	112	)))
113	113
114	114	* (((
...	...	@@ -174,47 +174,28 @@
174	174
175	175	== 1.3 Features ==
176	176
177		-
178	178	* LoRaWAN Class A & Class C protocol
179		-
180	180	* Optional Customized LoRa Protocol
181		-
182		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183		-
	176	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
184	184	* AT Commands to change parameters
185		-
186	186	* Remote configure parameters via LoRa Downlink
187		-
188	188	* Firmware upgradable via program port
189		-
190	190	* Counting
191	191
192	192	== 1.4  Applications ==
193	193
194		-
195	195	* Smart Buildings & Home Automation
196		-
197	197	* Logistics and Supply Chain Management
198		-
199	199	* Smart Metering
200		-
201	201	* Smart Agriculture
202		-
203	203	* Smart Cities
204		-
205	205	* Smart Factory
206	206
207		-
208		-
209	209	== 1.5 Hardware Variants ==
210	210
211		-
212		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
213		-|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
214		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215		-(% style="text-align:center" %)
216		-[[image:image-20230424115112-1.png||height="106" width="58"]]
217		-)))|(% style="width:334px" %)(((
	193	+(% border="1" style="background-color:#f7faff; width:500px" %)
	194	+|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
	195	+|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
218	218	* 2 x Digital Input (Bi-direction)
219	219	* 2 x Digital Output
220	220	* 2 x Relay Output (5A@250VAC / 30VDC)
...	...	@@ -225,25 +225,20 @@
225	225
226	226	= 2. Power ON Device =
227	227
228		-
229		-(((
230	230	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.
231		-)))
232	232
233	233	(((
234	234	PWR will on when device is properly powered.
235		-
236		-
237	237	)))
238	238
239	239	[[image:1653297104069-180.png]]
240	240
241	241
	215	+
242	242	= 3. Operation Mode =
243	243
244	244	== 3.1 How it works? ==
245	245
246		-
247	247	(((
248	248	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.
249	249	)))
...	...	@@ -255,11 +255,8 @@
255	255
256	256	== 3.2 Example to join LoRaWAN network ==
257	257
258		-
259	259	(((
260	260	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.
261		-
262		-
263	263	)))
264	264
265	265	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -267,8 +267,6 @@
267	267
268	268	(((
269	269	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:
270		-
271		-
272	272	)))
273	273
274	274	(((
...	...	@@ -279,82 +279,61 @@
279	279	Each LT is shipped with a sticker with the default device EUI as below:
280	280	)))
281	281
282		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	250	+[[image:1653297924498-393.png]]
283	283
284	284
285	285	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
286	286
287		-**Add APP EUI in the application.**
	255	+Add APP EUI in the application.
288	288
289	289	[[image:1653297955910-247.png||height="321" width="716"]]
290	290
291	291
292		-**Add APP KEY and DEV EUI**
	260	+Add APP KEY and DEV EUI
293	293
294	294	[[image:1653298023685-319.png]]
295	295
296	296
297		-
298	298	(((
299	299	(% 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.
300		-
301		-
302	302	)))
303	303
304	304	[[image:1653298044601-602.png||height="405" width="709"]]
305	305
306	306
	272	+
307	307	== 3.3 Uplink Payload ==
308	308
309		-
310	310	There are five working modes + one interrupt mode on LT for different type application:
311	311
312	312	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
313		-
314	314	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
315		-
316	316	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
317		-
318	318	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
319		-
320	320	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
321		-
322	322	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323	323
324		-=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
325	325
326	326
327		-(((
328		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	286	+=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
329	329
330		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
331		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
332		-|Value|(((
333		-AVI1 voltage
334		-)))|(((
335		-AVI2 voltage
336		-)))|(((
337		-ACI1 Current
338		-)))|(((
339		-ACI2 Current
340		-)))|DIDORO*|(((
341		-Reserve
342		-)))|MOD
343		-)))
	288	+The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
344	344
	290	+[[image:image-20220523174024-3.png]]
	291	+
345	345	(((
346		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	293	+
347	347
348		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
349		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
350		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	295	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
351	351	)))
352	352
	298	+[[image:image-20220523174254-4.png]]
	299	+
353	353	* RO is for relay. ROx=1 : close，ROx=0 always open.
354	354	* DI is for digital input. DIx=1: high or float, DIx=0: low.
355	355	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
356	356
357		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	304	+(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
358	358
359	359	For example if payload is: [[image:image-20220523175847-2.png]]
360	360
...	...	@@ -374,6 +374,8 @@
374	374	* [1] RO1 relay channel is close and the RO1 LED is ON.
375	375	* [0] RO2 relay channel is open and RO2 LED is OFF;
376	376
	324	+
	325	+
377	377	**LT22222-L:**
378	378
379	379	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -394,45 +394,38 @@
394	394	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
395	395
396	396
397		-(((
398	398	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
399		-)))
400	400
401	401	(((
402	402	Total : 11 bytes payload
403		-
404		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
405		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
406		-|Value|COUNT1|COUNT2 |DIDORO*|(((
407		-Reserve
408		-)))|MOD
409	409	)))
410	410
411		-(((
412		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	352	+[[image:image-20220523180452-3.png]]
413	413
414		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
416		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
417	417
418		-RO is for relay. ROx=1 : close，ROx=0 always open.
	355	+(((
	356	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
419	419	)))
420	420
	359	+[[image:image-20220523180506-4.png]]
	360	+
	361	+* RO is for relay. ROx=1 : close，ROx=0 always open.
421	421	* FIRST: Indicate this is the first packet after join network.
422	422	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
423	423
424	424	(((
425		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
	366	+(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
426	426	)))
427	427
428	428	(((
	370	+
	371	+
429	429	**To use counting mode, please run:**
430	430	)))
431	431
432		-
433		-(((
434	434	(% class="box infomessage" %)
435	435	(((
	377	+(((
436	436	**AT+MOD=2**
437	437
438	438	**ATZ**
...	...	@@ -448,6 +448,7 @@
448	448	(((
449	449	**For LT22222-L:**
450	450
	393	+
451	451	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
452	452
453	453	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -462,33 +462,27 @@
462	462	)))
463	463
464	464
	408	+
465	465	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
466	466
467		-
468	468	**LT22222-L**: This mode the DI1 is used as a counting pin.
469	469
470		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
472		-|Value|COUNT1|(((
473		-ACI1 Current
474		-)))|(((
475		-ACI2 Current
476		-)))|DIDORO*|Reserve|MOD
	413	+[[image:image-20220523181246-5.png]]
477	477
478	478	(((
479		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	416	+
480	480
481		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
483		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	418	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484	484	)))
485	485
	421	+[[image:image-20220523181301-6.png]]
	422	+
486	486	* RO is for relay. ROx=1 : close，ROx=0 always open.
487	487	* FIRST: Indicate this is the first packet after join network.
488	488	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
489	489
490	490	(((
491		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	428	+(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
492	492	)))
493	493
494	494
...	...	@@ -496,9 +496,9 @@
496	496	**To use counting mode, please run:**
497	497	)))
498	498
499		-(((
500	500	(% class="box infomessage" %)
501	501	(((
	438	+(((
502	502	**AT+MOD=3**
503	503
504	504	**ATZ**
...	...	@@ -505,52 +505,45 @@
505	505	)))
506	506	)))
507	507
508		-
509	509	(((
510	510	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
511	511	)))
512	512
513	513
	450	+
514	514	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
515	515
516	516
517		-(((
518	518	**LT22222-L**: This mode the DI1 is used as a counting pin.
519		-)))
520	520
521		-(((
522	522	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.
523	523
524		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
526		-|Value|COUNT1|AVI1 Counting|DIDORO*|(((
527		-Reserve
528		-)))|MOD
529		-)))
	458	+[[image:image-20220523181903-8.png]]
530	530
	460	+
531	531	(((
532	532	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
533		-
534		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
536		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
537	537	)))
538	538
	465	+[[image:image-20220523181727-7.png]]
	466	+
539	539	* RO is for relay. ROx=1 : close，ROx=0 always open.
540	540	* FIRST: Indicate this is the first packet after join network.
541	541	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
542	542
543	543	(((
544		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	472	+(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
545	545	)))
546	546
547	547	(((
	476	+
	477	+
548	548	**To use this mode, please run:**
549	549	)))
550	550
551		-(((
552	552	(% class="box infomessage" %)
553	553	(((
	483	+(((
554	554	**AT+MOD=4**
555	555
556	556	**ATZ**
...	...	@@ -558,13 +558,17 @@
558	558	)))
559	559
560	560
	491	+
561	561	(((
562	562	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
563	563	)))
564	564
565	565	(((
	497	+
	498	+
566	566	**Plus below command for AVI1 Counting:**
567	567
	501	+
568	568	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
569	569
570	570	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -575,29 +575,18 @@
575	575	)))
576	576
577	577
	512	+
578	578	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
579	579
580	580
581	581	**LT22222-L**: This mode the DI1 is used as a counting pin.
582	582
583		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
584		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
585		-|Value|(((
586		-AVI1 voltage
587		-)))|(((
588		-AVI2 voltage
589		-)))|(((
590		-ACI1 Current
591		-)))|COUNT1|DIDORO*|(((
592		-Reserve
593		-)))|MOD
	518	+[[image:image-20220523182334-9.png]]
594	594
595	595	(((
596		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	521	+
597	597
598		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
599		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
600		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	523	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
601	601	)))
602	602
603	603	* RO is for relay. ROx=1 : close，ROx=0 always open.
...	...	@@ -607,7 +607,7 @@
607	607	)))
608	608
609	609	(((
610		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	533	+(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
611	611	)))
612	612
613	613	(((
...	...	@@ -616,10 +616,9 @@
616	616	**To use this mode, please run:**
617	617	)))
618	618
619		-
620		-(((
621	621	(% class="box infomessage" %)
622	622	(((
	544	+(((
623	623	**AT+MOD=5**
624	624
625	625	**ATZ**
...	...	@@ -626,12 +626,12 @@
626	626	)))
627	627	)))
628	628
629		-
630	630	(((
631	631	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
632	632	)))
633	633
634	634
	556	+
635	635	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
636	636
637	637
...	...	@@ -647,6 +647,7 @@
647	647	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
648	648	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.**
649	649
	572	+
650	650	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
651	651
652	652
...	...	@@ -654,7 +654,6 @@
654	654
655	655	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
656	656
657		-
658	658	**Example:**
659	659
660	660	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)
...	...	@@ -667,7 +667,6 @@
667	667
668	668	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
669	669
670		-
671	671	**Example:**
672	672
673	673	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -720,39 +720,12 @@
720	720
721	721	MOD6 Payload : total 11 bytes payload
722	722
723		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
724		-|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
725		-|Value|(((
726		-TRI_A FLAG
727		-)))|(((
728		-TRI_A Status
729		-)))|(((
730		-TRI_DI FLAG+STA
731		-)))|Reserve|Enable/Disable MOD6|(((
732		-MOD(6)
733		-)))
	644	+[[image:image-20220524085923-1.png]]
734	734
	646	+
735	735	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
736	736
737		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
738		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
739		-|(((
740		-AV1_LOW
741		-)))|(((
742		-AV1_HIGH
743		-)))|(((
744		-AV2_LOW
745		-)))|(((
746		-AV2_HIGH
747		-)))|(((
748		-AC1_LOW
749		-)))|(((
750		-AC1_HIGH
751		-)))|(((
752		-AC2_LOW
753		-)))|(((
754		-AC2_HIGH
755		-)))
	649	+[[image:image-20220524090106-2.png]]
756	756
757	757	* Each bits shows if the corresponding trigger has been configured.
758	758
...	...	@@ -763,25 +763,7 @@
763	763
764	764	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
765	765
766		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
767		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
768		-|(((
769		-AV1_LOW
770		-)))|(((
771		-AV1_HIGH
772		-)))|(((
773		-AV2_LOW
774		-)))|(((
775		-AV2_HIGH
776		-)))|(((
777		-AC1_LOW
778		-)))|(((
779		-AC1_HIGH
780		-)))|(((
781		-AC2_LOW
782		-)))|(((
783		-AC2_HIGH
784		-)))
	660	+[[image:image-20220524090249-3.png]]
785	785
786	786	* Each bits shows which status has been trigger on this uplink.
787	787
...	...	@@ -792,9 +792,7 @@
792	792
793	793	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
794	794
795		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
796		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
797		-|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
	671	+[[image:image-20220524090456-4.png]]
798	798
799	799	* Each bits shows which status has been trigger on this uplink.
800	800
...	...	@@ -814,50 +814,48 @@
814	814	When device got this command, it will send the MOD6 payload.
815	815
816	816
	691	+
817	817	=== 3.3.7 Payload Decoder ===
818	818
819	819	(((
820	820
821	821
822		-**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	697	+**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/]]
	698	+
	699	+
823	823	)))
824	824
825	825
826	826	== 3.4 ​Configure LT via AT or Downlink ==
827	827
828		-
829		-(((
830	830	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
831		-)))
832	832
833	833	(((
834		-(((
835	835	There are two kinds of Commands:
836	836	)))
837		-)))
838	838
839		-* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	711	+* (% 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]]
840	840
841		-* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
	713	+* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
842	842
843		-=== 3.4.1 Common Commands ===
844	844
845	845
846		-(((
	717	+=== 3.4.1 Common Commands ===
	718	+
847	847	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]]
848		-)))
849	849
850	850
	722	+
851	851	=== 3.4.2 Sensor related commands ===
852	852
	725	+
853	853	==== 3.4.2.1 Set Transmit Interval ====
854	854
855		-
856	856	Set device uplink interval.
857	857
858	858	* (% style="color:#037691" %)**AT Command:**
859	859
860		-(% style="color:blue" %)**AT+TDC=N **
	732	+**AT+TDC=N **
861	861
862	862
863	863	**Example: **AT+TDC=30000. Means set interval to 30 seconds
...	...	@@ -865,173 +865,205 @@
865	865
866	866	* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
867	867
868		-(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
	740	+**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
869	869
870	870
871	871
	744	+
872	872	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
873	873
874		-
875	875	Set work mode.
876	876
877		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	749	+* (% style="color:#037691" %)**AT Command:**
878	878
	751	+**AT+MOD=N  **
	752	+
	753	+
879	879	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
880	880
	756	+
881	881	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
882	882
883		-(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
	759	+**0x0A aa    ** ~/~/ Same as AT+MOD=aa
884	884
885	885
886	886
	763	+
887	887	==== 3.4.2.3 Poll an uplink ====
888	888
	766	+* (% style="color:#037691" %)**AT Command:**
889	889
890		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	768	+There is no AT Command to poll uplink
891	891
	770	+
892	892	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
893	893
894		-(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
	773	+**0x08 FF     **~/~/ Poll an uplink
895	895
896	896	**Example**: 0x08FF, ask device to send an Uplink
897	897
898	898
899	899
	779	+
900	900	==== 3.4.2.4 Enable Trigger Mode ====
901	901
902		-
903	903	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
904	904
905		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	784	+* (% style="color:#037691" %)**AT Command:**
906	906
907		-(% style="color:red" %)**1:** (%%)Enable Trigger Mode
	786	+**AT+ADDMOD6=1 or 0**
908	908
909		-(% style="color:red" %)**0: **(%%)Disable Trigger Mode
	788	+1: Enable Trigger Mode
910	910
	790	+0: Disable Trigger Mode
911	911
	792	+
912	912	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
913	913
914		-(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
	795	+**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
915	915
916	916
917	917
	799	+
918	918	==== 3.4.2.5 Poll trigger settings ====
919	919
	802	+Poll trigger settings,
920	920
921		-Poll trigger settings
922		-
923	923	* (% style="color:#037691" %)**AT Command:**
924	924
925	925	There is no AT Command for this feature.
926	926
	808	+
927	927	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
928	928
929		-(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	811	+**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
930	930
931	931
932	932
	815	+
933	933	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
934	934
935		-
936	936	Enable Disable DI1/DI2/DI2 as trigger,
937	937
938		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	820	+* (% style="color:#037691" %)**AT Command:**
939	939
940		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	822	+**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
941	941
942	942
	825	+**Example:**
	826	+
	827	+AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	828	+
943	943	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
944	944
945		-(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
	831	+**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
946	946
947	947
948	948
	835	+
949	949	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
950	950
951		-
952	952	Set DI1 or DI3(for LT-33222-L) trigger.
953	953
954		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
	840	+* (% style="color:#037691" %)**AT Command:**
955	955
956		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	842	+**AT+TRIG1=a,b**
957	957
958		-(% style="color:red" %)**b :** (%%)delay timing.
	844	+a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
959	959
960		-**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
	846	+b : delay timing.
961	961
962	962
963		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	849	+**Example:**
964	964
965		-(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
	851	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
966	966
967	967
	854	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	855	+* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
968	968
969	969	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
970	970
971		-
972	972	Set DI2 trigger.
973	973
974		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
	861	+* (% style="color:#037691" %)**AT Command:**
975	975
976		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	863	+**AT+TRIG2=a,b**
977	977
978		-(% style="color:red" %)**b :** (%%)delay timing.
979	979
980		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	866	+a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
981	981
	868	+b : delay timing.
982	982
	870	+
	871	+**Example:**
	872	+
	873	+AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	874	+
	875	+
983	983	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
984	984
985		-(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
	878	+**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
986	986
987	987
988	988
	882	+
989	989	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
990	990
991		-
992	992	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
993	993
994		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
	887	+* (% style="color:#037691" %)**AT Command**
995	995
	889	+**AT+ACLIM**
	890	+
	891	+
996	996	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
997	997
998		-(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	894	+**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
999	999
1000	1000
1001	1001
	898	+
1002	1002	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1003	1003
1004		-
1005	1005	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006	1006
1007		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	903	+* (% style="color:#037691" %)**AT Command**
1008	1008
	905	+**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	906	+
	907	+
1009	1009	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1010	1010
1011		-(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	910	+**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1012	1012
1013	1013
1014	1014
	914	+
1015	1015	==== 3.4.2.11 Trigger – Set minimum interval ====
1016	1016
1017		-
1018	1018	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1019	1019
1020		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
	919	+* (% style="color:#037691" %)**AT Command**
1021	1021
	921	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
	922	+
	923	+
1022	1022	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1023	1023
1024		-(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	926	+**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1025	1025
1026	1026	(((
1027		-(% style="color:red" %)**Note: ATDC setting must be more than 5min**
	929	+
	930	+
	931	+(% style="color:red" %)Note: ATDC setting must be more than 5min
1028	1028	)))
1029	1029
1030	1030
1031	1031
	936	+
1032	1032	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1033	1033
1034		-
1035	1035	* (% style="color:#037691" %)**AT Command**
1036	1036
1037	1037	There is no AT Command to control Digital Output
...	...	@@ -1038,9 +1038,8 @@
1038	1038
1039	1039
1040	1040	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	945	+* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1041	1041
1042		-(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1043		-
1044	1044	(((
1045	1045	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1046	1046	)))
...	...	@@ -1047,27 +1047,23 @@
1047	1047
1048	1048	(((
1049	1049	01: Low,  00: High ,  11: No action
1050		-
1051		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1052		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1053		-|02  01  00  11|Low|High|No Action
1054		-|02  00  11  01|High|No Action|Low
1055		-|02  11  01  00|No Action|Low|High
1056	1056	)))
1057	1057
	955	+[[image:image-20220524092754-5.png]]
	956	+
1058	1058	(((
1059		-(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
	958	+(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1060	1060	)))
1061	1061
1062	1062	(((
1063		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
	962	+(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1064	1064	)))
1065	1065
1066	1066
1067	1067
	967	+
1068	1068	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1069	1069
1070		-
1071	1071	* (% style="color:#037691" %)**AT Command**
1072	1072
1073	1073	There is no AT Command to control Digital Output
...	...	@@ -1075,7 +1075,7 @@
1075	1075
1076	1076	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1077	1077
1078		-(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
	977	+**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1079	1079
1080	1080
1081	1081	This is to control the digital output time of DO pin. Include four bytes:
...	...	@@ -1091,40 +1091,26 @@
1091	1091
1092	1092	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1093	1093
1094		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1095		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1096		-|0x01|DO1 set to low
1097		-|0x00|DO1 set to high
1098		-|0x11|DO1 NO Action
	993	+[[image:image-20220524093238-6.png]]
1099	1099
	995	+
1100	1100	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1101	1101
1102		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1103		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1104		-|0x01|DO2 set to low
1105		-|0x00|DO2 set to high
1106		-|0x11|DO2 NO Action
	998	+[[image:image-20220524093328-7.png]]
1107	1107
	1000	+
1108	1108	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1109	1109
1110		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1111		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1112		-|0x01|DO3 set to low
1113		-|0x00|DO3 set to high
1114		-|0x11|DO3 NO Action
	1003	+[[image:image-20220524093351-8.png]]
1115	1115
1116		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1117	1117
	1006	+(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1118	1118
1119		-(% style="color:red" %)**Note: **
	1008	+ Latching time. Unit: ms
1120	1120
1121		- Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
	1010	+Device will upload a packet if downlink code executes successfully.
1122	1122
1123		- Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1124	1124
1125		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1126		-
1127		-
1128	1128	**Example payload:**
1129	1129
1130	1130	**~1. A9 01 01 01 01 07 D0**
...	...	@@ -1145,8 +1145,8 @@
1145	1145
1146	1146
1147	1147
1148		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1149	1149
	1034	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1150	1150
1151	1151	* (% style="color:#037691" %)**AT Command:**
1152	1152
...	...	@@ -1155,7 +1155,7 @@
1155	1155
1156	1156	* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1157	1157
1158		-(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
	1043	+**0x03 aa bb     **~/~/ Set RO1/RO2 output
1159	1159
1160	1160
1161	1161	(((
...	...	@@ -1164,26 +1164,19 @@
1164	1164
1165	1165	(((
1166	1166	01: Close ,  00: Open , 11: No action
	1052	+)))
1167	1167
1168		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1169		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1170		-|03  00  11|Open|No Action
1171		-|03  01  11|Close|No Action
1172		-|03  11  00|No Action|Open
1173		-|03  11  01|No Action|Close
1174		-|03  00  00|Open|Open
1175		-|03  01  01|Close|Close
1176		-|03  01  00|Close|Open
1177		-|03  00  01|Open|Close
	1054	+(((
	1055	+[[image:image-20220524093724-9.png]]
1178	1178	)))
1179	1179
1180		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
	1058	+Device will upload a packet if downlink code executes successfully.
1181	1181
1182	1182
1183	1183
	1062	+
1184	1184	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1185	1185
1186		-
1187	1187	* (% style="color:#037691" %)**AT Command:**
1188	1188
1189	1189	There is no AT Command to control Relay Output
...	...	@@ -1191,7 +1191,7 @@
1191	1191
1192	1192	* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1193	1193
1194		-(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
	1072	+**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1195	1195
1196	1196
1197	1197	This is to control the relay output time of relay. Include four bytes:
...	...	@@ -1207,208 +1207,110 @@
1207	1207
1208	1208	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1209	1209
1210		-[[image:image-20221008095908-1.png||height="364" width="564"]]
	1088	+[[image:image-20220524093831-10.png]]
1211	1211
1212	1212
1213		-(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
	1091	+(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1214	1214
	1093	+Device will upload a packet if downlink code executes successfully.
1215	1215
1216		-(% style="color:red" %)**Note:**
1217	1217
1218		- Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1219		-
1220		- Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1221		-
1222		-
1223		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1224		-
1225		-
1226	1226	**Example payload:**
1227	1227
1228	1228	**~1. 05 01 11 07 D0**
1229	1229
1230		-Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
	1100	+Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1231	1231
1232	1232	**2. 05 01 10 07 D0**
1233	1233
1234		-Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
	1104	+Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1235	1235
1236	1236	**3. 05 00 01 07 D0**
1237	1237
1238		-Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
	1108	+Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1239	1239
1240	1240	**4. 05 00 00 07 D0**
1241	1241
1242		-Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
	1112	+Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1243	1243
1244	1244
1245	1245
	1116	+
1246	1246	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1247	1247
1248		-
1249	1249	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1250	1250
1251		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1252		-
1253		-* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1254		-
1255		-(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1256		-
1257		-
1258		-
1259		-==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1260		-
1261		-
1262		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1263		-
1264		-(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1265		-
1266		-(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1267		-
1268		-
1269		-* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1270		-
1271		-(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1272		-
1273		-
1274		-
1275		-==== 3.4.2.18 Counting ~-~- Clear Counting ====
1276		-
1277		-
1278		-Clear counting for counting mode
1279		-
1280		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1281		-
1282		-* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1283		-
1284		-(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1285		-
1286		-
1287		-
1288		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1289		-
1290		-
1291	1291	* (% style="color:#037691" %)**AT Command:**
1292	1292
1293		-(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
	1123	+**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1294	1294
1295	1295
1296		-* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
	1126	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1297	1297
1298		-(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
	1128	+**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1299	1299
1300		-(((
1301		-range: aa bb cc:0 to 16777215,  (unit:second)
1302		-)))
1303	1303
1304	1304
1305	1305
1306		-==== 3.4.2.20 Reset save RO DO state ====
	1133	+==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1307	1307
1308		-
1309	1309	* (% style="color:#037691" %)**AT Command:**
1310	1310
1311		-(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
	1137	+**AT+SETCNT=aa,(bb cc dd ee) **
1312	1312
1313		-(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
	1139	+aa: 1: Set count1,
1314	1314
	1141	+2: Set count2,
1315	1315
1316		-* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1143	+3: Set AV1 count
1317	1317
1318		-(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
	1145	+Bb cc dd ee: number to be set
1319	1319
1320	1320
	1148	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1321	1321
1322		-==== 3.4.2.21 Encrypted payload ====
	1150	+**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1323	1323
1324	1324
1325		-* (% style="color:#037691" %)**AT Command:**
1326	1326
1327		-(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1328	1328
1329		-(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
	1155	+==== 3.4.2.18 Counting ~-~- Clear Counting ====
1330	1330
	1157	+Clear counting for counting mode
1331	1331
1332		-
1333		-==== 3.4.2.22 Get sensor value ====
1334		-
1335		-
1336	1336	* (% style="color:#037691" %)**AT Command:**
1337	1337
1338		-(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
	1161	+**AT+CLRCOUNT ** ~/~/ clear all counting
1339	1339
1340		-(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1341	1341
	1164	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1342	1342
	1166	+**0x A6 01    ** ~/~/ clear all counting
1343	1343
1344		-==== 3.4.2.23 Resets the downlink packet count ====
1345	1345
1346	1346
1347		-* (% style="color:#037691" %)**AT Command:**
1348	1348
1349		-(% style="color:blue" %)**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)
	1171	+==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1350	1350
1351		-(% style="color:blue" %)**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.
1352		-
1353		-
1354		-
1355		-==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1356		-
1357		-
1358	1358	* (% style="color:#037691" %)**AT Command:**
1359	1359
1360		-(% style="color:blue" %)**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)
	1175	+**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1361	1361
1362		-(% style="color:blue" %)**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.
1363	1363
	1178	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1364	1364
1365		-* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1180	+**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1366	1366
1367		-(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	1182	+(((
	1183	+range: aa bb cc:0 to 16777215,  (unit:second)
1368	1368
1369		-
1370		-
1371		-==== 3.4.2.25 Copy downlink to uplink ====
1372		-
1373		-
1374		-* (% style="color:#037691" %)**AT Command**(%%)**:**
1375		-
1376		-(% style="color:blue" %)**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.
1377		-
1378		-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.
1379		-
1380		-
1381		-[[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"]]
1382		-
1383		-For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1384		-
1385		-
1386		-
1387		-[[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"]]
1388		-
1389		-For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1390		-
1391		-
1392		-
1393		-==== 3.4.2.26 Query version number and frequency band 、TDC ====
1394		-
1395		-
1396		-* (((
1397		-(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1398		-
1399		-(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1400		-
1401	1401
1402	1402	)))
1403	1403
1404		-**Example：**
1405	1405
1406		-[[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"]]
1407	1407
1408		-
1409	1409	== 3.5 Integrate with Mydevice ==
1410	1410
1411		-
1412	1412	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:
1413	1413
1414	1414	(((
...	...	@@ -1417,20 +1417,19 @@
1417	1417
1418	1418	(((
1419	1419	(% 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:
1420		-
1421		-
1422	1422	)))
1423	1423
1424		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1202	+[[image:1653356737703-362.png||height="232" width="732"]]
1425	1425
	1204	+[[image:image-20220524094641-11.png||height="390" width="723"]]
1426	1426
1427	1427
1428		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1207	+[[image:image-20220524094641-12.png||height="402" width="718"]]
1429	1429
1430	1430
1431	1431	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1432	1432
1433		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1212	+(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1434	1434
1435	1435	Search under The things network
1436	1436
...	...	@@ -1455,28 +1455,26 @@
1455	1455	[[image:image-20220524094909-5.png||height="341" width="734"]]
1456	1456
1457	1457
	1237	+
1458	1458	== 3.6 Interface Detail ==
1459	1459
1460	1460	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1461	1461
1462		-
1463	1463	Support NPN Type sensor
1464	1464
1465	1465	[[image:1653356991268-289.png]]
1466	1466
1467	1467
	1247	+
1468	1468	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1469	1469
1470		-
1471	1471	(((
1472		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1251	+The DI port of LT-22222-L can support NPN or PNP output sensor.
1473	1473	)))
1474	1474
1475	1475	(((
1476	1476	(((
1477		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1478		-
1479		-
	1256	+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
1480	1480	)))
1481	1481	)))
1482	1482
...	...	@@ -1501,10 +1501,10 @@
1501	1501	)))
1502	1502
1503	1503	* (((
1504		-Connect sensor's output to DI1-
	1281	+Connect sensor’s output to DI1-
1505	1505	)))
1506	1506	* (((
1507		-Connect sensor's VCC to DI1+.
	1284	+Connect sensor’s VCC to DI1+.
1508	1508	)))
1509	1509
1510	1510	(((
...	...	@@ -1512,11 +1512,11 @@
1512	1512	)))
1513	1513
1514	1514	(((
1515		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
	1292	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1516	1516	)))
1517	1517
1518	1518	(((
1519		-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.
	1296	+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.
1520	1520	)))
1521	1521
1522	1522	(((
...	...	@@ -1532,10 +1532,10 @@
1532	1532	)))
1533	1533
1534	1534	* (((
1535		-Connect sensor's output to DI1+
	1312	+Connect sensor’s output to DI1+
1536	1536	)))
1537	1537	* (((
1538		-Connect sensor's GND DI1-.
	1315	+Connect sensor’s GND DI1-.
1539	1539	)))
1540	1540
1541	1541	(((
...	...	@@ -1563,10 +1563,10 @@
1563	1563	)))
1564	1564
1565	1565	* (((
1566		-Connect sensor's output to DI1+ with a serial 50K resistor
	1343	+Connect sensor’s output to DI1+ with a serial 50K resistor
1567	1567	)))
1568	1568	* (((
1569		-Connect sensor's GND DI1-.
	1346	+Connect sensor’s GND DI1-.
1570	1570	)))
1571	1571
1572	1572	(((
...	...	@@ -1582,29 +1582,17 @@
1582	1582	)))
1583	1583
1584	1584
1585		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1586	1586
1587		-From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1588		-
1589		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1590		-
1591		-[[image:image-20230616235145-1.png]]
1592		-
1593		-
1594		-
1595	1595	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1596	1596
	1365	+NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1597	1597
1598		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1599		-
1600		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1601		-
1602	1602	[[image:1653357531600-905.png]]
1603	1603
1604	1604
	1370	+
1605	1605	=== 3.6.4 Analog Input Interface ===
1606	1606
1607		-
1608	1608	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:
1609	1609
1610	1610
...	...	@@ -1617,14 +1617,15 @@
1617	1617	We take the wind speed sensor as an example for reference only.
1618	1618
1619	1619
1620		-(% style="color:blue" %)**Specifications of the wind speed sensor:**
	1385	+**Specifications of the wind speed sensor:**
1621	1621
1622		-(% style="color:red" %)**Red:  12~~24v**
	1387	+Red:  12~~24v
1623	1623
1624		-(% style="color:#ffc000" %)**Yellow:  4~~20mA**
	1389	+Yellow:  4~~20mA
1625	1625
1626		-**Black:  GND**
	1391	+Black:  GND
1627	1627
	1393	+
1628	1628	**Connection diagram:**
1629	1629
1630	1630	[[image:1653357640609-758.png]]
...	...	@@ -1632,88 +1632,31 @@
1632	1632	[[image:1653357648330-671.png||height="155" width="733"]]
1633	1633
1634	1634
1635		-Example connected to a regulated power supply to measure voltage
1636	1636
1637		-[[image:image-20230608101532-1.png||height="606" width="447"]]
1638		-
1639		-[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1640		-
1641		-[[image:image-20230608101722-3.png||height="102" width="1139"]]
1642		-
1643		-
1644		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1645		-
1646		-(% style="color:red" %)**Red:  12~~24v**
1647		-
1648		-**Black:  GND**
1649		-
1650		-
1651	1651	=== 3.6.5 Relay Output ===
1652	1652
1653		-
1654	1654	(((
1655		-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:
1656		-
1657		-**Note**: RO pins go to Open(NO) when device is power off.
	1405	+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:
1658	1658	)))
1659	1659
1660	1660	[[image:image-20220524100215-9.png]]
1661	1661
1662		-
1663	1663	[[image:image-20220524100215-10.png||height="382" width="723"]]
1664	1664
1665	1665
	1413	+
1666	1666	== 3.7 LEDs Indicators ==
1667	1667
	1416	+[[image:image-20220524100748-11.png]]
1668	1668
1669		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1670		-|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1671		-|**PWR**|Always on if there is power
1672		-|**SYS**|(((
1673		-After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1674		-)))
1675		-|**TX**|(((
1676		-(((
1677		-Device boot: TX blinks 5 times.
1678		-)))
1679	1679
1680		-(((
1681		-Successful join network: TX ON for 5 seconds.
1682		-)))
1683	1683
1684		-(((
1685		-Transmit a LoRa packet: TX blinks once
1686		-)))
1687		-)))
1688		-|**RX**|RX blinks once when receive a packet.
1689		-|**DO1**|
1690		-|**DO2**|
1691		-|**DO3**|
1692		-|**DI2**|(((
1693		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1694		-)))
1695		-|**DI2**|(((
1696		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1697		-)))
1698		-|**DI2**|(((
1699		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1700		-)))
1701		-|**RO1**|
1702		-|**RO2**|
1703		-
1704	1704	= 4. Use AT Command =
1705	1705
1706	1706	== 4.1 Access AT Command ==
1707	1707
1708		-
1709		-(((
1710	1710	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.
1711		-)))
1712	1712
1713		-(((
1714		-
1715		-)))
1716		-
1717	1717	[[image:1653358238933-385.png]]
1718	1718
1719	1719
...	...	@@ -1741,7 +1741,7 @@
1741	1741	)))
1742	1742
1743	1743	(((
1744		-AT+<CMD>=?       :  Get the value
	1453	+AT+<CMD>=?       : Get the value
1745	1745	)))
1746	1746
1747	1747	(((
...	...	@@ -1769,11 +1769,11 @@
1769	1769	)))
1770	1770
1771	1771	(((
1772		-AT+APPSKEY:  Get or Set the Application Session Key
	1481	+AT+APPSKEY: Get or Set the Application Session Key
1773	1773	)))
1774	1774
1775	1775	(((
1776		-AT+APPEUI:  Get or Set the Application EUI
	1485	+AT+APPEUI: Get or Set the Application EUI
1777	1777	)))
1778	1778
1779	1779	(((
...	...	@@ -1785,7 +1785,7 @@
1785	1785	)))
1786	1786
1787	1787	(((
1788		-AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1497	+AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1789	1789	)))
1790	1790
1791	1791	(((
...	...	@@ -1821,7 +1821,7 @@
1821	1821	)))
1822	1822
1823	1823	(((
1824		-AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1533	+AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1825	1825	)))
1826	1826
1827	1827	(((
...	...	@@ -1865,7 +1865,7 @@
1865	1865	)))
1866	1866
1867	1867	(((
1868		-AT+VER:  Get current image version and Frequency Band
	1577	+AT+VER: Get current image version and Frequency Band
1869	1869	)))
1870	1870
1871	1871	(((
...	...	@@ -1873,7 +1873,7 @@
1873	1873	)))
1874	1874
1875	1875	(((
1876		-AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
	1585	+AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1877	1877	)))
1878	1878
1879	1879	(((
...	...	@@ -1913,6 +1913,7 @@
1913	1913	)))
1914	1914
1915	1915
	1625	+
1916	1916	== 4.2 Common AT Command Sequence ==
1917	1917
1918	1918	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
...	...	@@ -1920,101 +1920,98 @@
1920	1920	(((
1921	1921
1922	1922
1923		-(((
1924		-(% style="color:blue" %)**If device has not joined network yet:**
	1633	+**If device has not joined network yet:**
1925	1925	)))
1926		-)))
1927	1927
1928	1928	(((
1929		-(% style="background-color:#dcdcdc" %)**123456**
	1637	+(% style="background-color:#dcdcdc" %)123456
1930	1930	)))
1931	1931
1932	1932	(((
1933		-(% style="background-color:#dcdcdc" %)**AT+FDR**
	1641	+(% style="background-color:#dcdcdc" %)AT+FDR
1934	1934	)))
1935	1935
1936	1936	(((
1937		-(% style="background-color:#dcdcdc" %)**123456**
	1645	+(% style="background-color:#dcdcdc" %)123456
1938	1938	)))
1939	1939
1940	1940	(((
1941		-(% style="background-color:#dcdcdc" %)**AT+NJM=0**
	1649	+(% style="background-color:#dcdcdc" %)AT+NJM=0
1942	1942	)))
1943	1943
1944	1944	(((
1945		-(% style="background-color:#dcdcdc" %)**ATZ**
	1653	+(% style="background-color:#dcdcdc" %)ATZ
1946	1946	)))
1947	1947
1948	1948
1949	1949	(((
1950		-(% style="color:blue" %)**If device already joined network:**
	1658	+**If device already joined network:**
1951	1951	)))
1952	1952
1953	1953	(((
1954		-(% style="background-color:#dcdcdc" %)**AT+NJM=0**
	1662	+(% style="background-color:#dcdcdc" %)AT+NJM=0
1955	1955	)))
1956	1956
1957	1957	(((
1958		-(% style="background-color:#dcdcdc" %)**ATZ**
	1666	+(% style="background-color:#dcdcdc" %)ATZ
1959	1959	)))
1960	1960
1961	1961
	1670	+
1962	1962	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1963	1963
1964	1964	(((
1965	1965
1966	1966
1967		-(((
1968		-(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
	1676	+(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1969	1969	)))
1970		-)))
1971	1971
1972	1972	(((
1973		-(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
	1680	+(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1974	1974	)))
1975	1975
1976	1976	(((
1977		-(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
	1684	+(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1978	1978	)))
1979	1979
1980	1980	(((
1981		-(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
	1688	+(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1982	1982	)))
1983	1983
1984	1984	(((
1985		-(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
	1692	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1986	1986	)))
1987	1987
1988	1988	(((
1989		-(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
	1696	+(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1990	1990	)))
1991	1991
1992	1992	(((
1993		-(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
	1700	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1994	1994	)))
1995	1995
1996	1996	(((
1997		-(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
	1704	+(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1998	1998	)))
1999	1999
2000	2000	(((
2001		-(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
	1708	+(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2002	2002	)))
2003	2003
2004	2004	(((
2005		-(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
	1712	+(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
2006	2006	)))
2007	2007
2008	2008	(((
2009		-(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
	1716	+(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
2010	2010	)))
2011	2011
2012	2012	(((
2013		-(% 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.
	1720	+(% 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.
2014	2014	)))
2015	2015
2016	2016	(((
2017		-(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
	1724	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
2018	2018
2019	2019
2020	2020	)))
...	...	@@ -2024,16 +2024,10 @@
2024	2024	)))
2025	2025
2026	2026	(((
2027		-**~1. Make sure the device is set to ABP mode in the IoT Server.**
2028		-
2029		-**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
2030		-
2031		-**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?
2032		-dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2033		-
2034		-**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.**
2035		-
2036		-
	1734	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1735	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1736	+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.
	1737	+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
2037	2037	)))
2038	2038
2039	2039	(((
...	...	@@ -2044,30 +2044,19 @@
2044	2044
2045	2045	)))
2046	2046
	1748	+
2047	2047	=== 4.2.3 Change to Class A ===
2048	2048
	1751	+If sensor JOINED
	1752	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
	1753	+ATZ
2049	2049
2050		-(((
2051		-(% style="color:blue" %)**If sensor JOINED:**
2052	2052
2053		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2054		-ATZ**
2055		-)))
	1756	+= 5. FAQ =
2056	2056
	1758	+== 5.1 How to upgrade the image? ==
2057	2057
2058		-= 5. Case Study =
2059	2059
2060		-== 5.1 Counting how many objects pass in Flow Line ==
2061		-
2062		-
2063		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2064		-
2065		-
2066		-= 6. FAQ =
2067		-
2068		-== 6.1 How to upgrade the image? ==
2069		-
2070		-
2071	2071	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2072	2072
2073	2073	* Support new features
...	...	@@ -2081,38 +2081,31 @@
2081	2081
2082	2082	(((
2083	2083	(% 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]].
2084		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
	1774	+(% 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/]].
2085	2085	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2086	2086
2087	2087
2088		-(((
2089	2089	(% style="color:blue" %)**For LT-22222-L**(%%):
2090		-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.
	1779	+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.
2091	2091	)))
2092	2092
2093		-
2094		-)))
2095		-
2096	2096	[[image:image-20220524103407-12.png]]
2097	2097
2098		-
2099	2099	[[image:image-20220524103429-13.png]]
2100	2100
2101		-
2102	2102	[[image:image-20220524104033-15.png]]
2103	2103
2104	2104
2105	2105	(% 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:
2106	2106
2107		-
2108	2108	[[image:1653360054704-518.png||height="186" width="745"]]
2109	2109
2110	2110
2111	2111	(((
2112	2112	(((
2113		-== 6.2 How to change the LoRa Frequency Bands/Region? ==
2114		-
2115	2115
	1797	+
	1798	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
2116	2116	)))
2117	2117	)))
2118	2118
...	...	@@ -2123,9 +2123,7 @@
2123	2123	(((
2124	2124
2125	2125
2126		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2127		-
2128		-
	1809	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2129	2129	)))
2130	2130
2131	2131	(((
...	...	@@ -2143,39 +2143,33 @@
2143	2143	)))
2144	2144
2145	2145	(((
2146		-(% 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.
2147		-
2148		-
	1827	+(% 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.
2149	2149	)))
2150	2150
2151	2151	(((
2152	2152	[[image:1653360231087-571.png||height="401" width="727"]]
2153		-
2154		-
2155	2155	)))
2156	2156
2157	2157	(((
2158		-(% 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.**
	1835	+(% 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.
2159	2159	)))
2160	2160
2161	2161
2162		-
2163	2163	(((
2164		-(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2165		-
2166		-
	1840	+(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2167	2167	)))
2168	2168
2169	2169	(((
2170		-(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2171		-(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2172		-(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2173		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2174		-(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2175		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2176		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2177		-(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2178		-(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
	1844	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	1845	+(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
	1846	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	1847	+(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
	1848	+(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
	1849	+(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
	1850	+(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
	1851	+(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1852	+(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
	1853	+(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2179	2179	)))
2180	2180
2181	2181
...	...	@@ -2186,31 +2186,22 @@
2186	2186	[[image:1653360498588-932.png||height="485" width="726"]]
2187	2187
2188	2188
2189		-== 6.4 How to change the uplink interval？ ==
	1864	+== 5.4 Can I see counting event in Serial? ==
2190	2190
2191		-
2192		-Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2193		-
2194		-
2195		-== 6.5 Can I see counting event in Serial? ==
2196		-
2197		-
2198	2198	(((
2199		-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.
	1867	+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.
2200	2200
2201	2201
2202		-== 6.6 Can i use point to point communication for LT-22222-L? ==
	1870	+== 5.5 Can i use point to point communication for LT-22222-L? ==
2203	2203
	1872	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2204	2204
2205		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2206		-
2207	2207
2208	2208	)))
2209	2209
2210	2210	(((
2211		-== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	1878	+== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2212	2212
2213		-
2214	2214	If the device is not shut down, but directly powered off.
2215	2215
2216	2216	It will default that this is a power-off state.
...	...	@@ -2220,29 +2220,12 @@
2220	2220	After restart, the status before power failure will be read from flash.
2221	2221
2222	2222
2223		-== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2224		-
2225		-
2226		-LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2227		-
2228		-
2229		-[[image:image-20221006170630-1.png||height="610" width="945"]]
2230		-
2231		-
2232		-== 6.9 Can LT22222-L save RO state? ==
2233		-
2234		-
2235		-Firmware version needs to be no less than 1.6.0.
2236		-
2237		-
2238		-= 7. Trouble Shooting =
	1889	+= 6. Trouble Shooting =
2239	2239	)))
2240	2240
2241	2241	(((
2242	2242	(((
2243		-== 7.1 Downlink doesn't work, how to solve it? ==
2244		-
2245		-
	1894	+== 6.1 Downlink doesn’t work, how to solve it? ==
2246	2246	)))
2247	2247	)))
2248	2248
...	...	@@ -2253,9 +2253,7 @@
2253	2253	(((
2254	2254
2255	2255
2256		-== 7.2 Have trouble to upload image. ==
2257		-
2258		-
	1905	+== 6.2 Have trouble to upload image. ==
2259	2259	)))
2260	2260
2261	2261	(((
...	...	@@ -2265,9 +2265,7 @@
2265	2265	(((
2266	2266
2267	2267
2268		-== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2269		-
2270		-
	1915	+== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2271	2271	)))
2272	2272
2273	2273	(((
...	...	@@ -2275,24 +2275,24 @@
2275	2275	)))
2276	2276
2277	2277
2278		-= 8. Order Info =
	1923	+= 7. Order Info =
2279	2279
2280		-
2281	2281	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2282	2282
	1927	+
2283	2283	(% style="color:#4f81bd" %)**XXX:**
2284	2284
2285		-* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2286		-* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2287		-* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2288		-* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2289		-* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2290		-* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2291		-* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2292		-* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2293		-* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
	1930	+* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1931	+* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1932	+* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1933	+* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1934	+* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1935	+* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1936	+* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1937	+* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1938	+* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2294	2294
2295		-= 9. Packing Info =
	1940	+= 8. Packing Info =
2296	2296
2297	2297
2298	2298	**Package Includes**:
...	...	@@ -2309,24 +2309,22 @@
2309	2309	* Package Size / pcs : 14.5 x 8 x 5 cm
2310	2310	* Weight / pcs : 170g
2311	2311
2312		-= 10. Support =
	1957	+= 9. Support =
2313	2313
2314		-
2315	2315	* (((
2316	2316	Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2317	2317	)))
2318	2318	* (((
2319		-Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
	1963	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2320	2320
2321	2321
	1966	+
2322	2322
2323	2323	)))
2324	2324
2325		-= 11. Reference​​​​​ =
	1970	+= 10. Reference​​​​​ =
2326	2326
2327		-
2328	2328	* 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]]
2329		-* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
	1973	+* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
	1974	+* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2330	2330	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2331		-
2332		-

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