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Title

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1		-LT-22222-L -- LoRa IO Controller User Manual
	1	+LT-22222-L LoRa IO Controller User Manual

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.ting
	1	+XWiki.Xiaoling

Content

...	...	@@ -3,10 +3,6 @@
3	3
4	4
5	5
6		-
7		-
8		-
9		-
10	10	**Table of Contents:**
11	11
12	12	{{toc/}}
...	...	@@ -19,6 +19,7 @@
19	19
20	20	= 1.Introduction =
21	21
	18	+
22	22	== 1.1 What is LT Series I/O Controller ==
23	23
24	24	(((
...	...	@@ -30,7 +30,7 @@
30	30	)))
31	31
32	32	(((
33		-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.
	30	+The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
34	34	)))
35	35
36	36	(((
...	...	@@ -57,49 +57,130 @@
57	57
58	58	)))
59	59
60		-== 1.2 Specifications ==
61	61
	58	+== 1.2  Specifications ==
	59	+
	60	+(((
	61	+
	62	+
62	62	(% style="color:#037691" %)**Hardware System:**
	64	+)))
63	63
64		-* STM32L072xxxx MCU
65		-* SX1276/78 Wireless Chip
66		-* Power Consumption:
67		-** Idle: 4mA@12v
68		-** 20dB Transmit: 34mA@12v
69		-* Operating Temperature: -40 ~~ 85 Degree, No Dew
	66	+* (((
	67	+STM32L072CZT6 MCU
	68	+)))
	69	+* (((
	70	+SX1276/78 Wireless Chip
	71	+)))
	72	+* (((
	73	+(((
	74	+Power Consumption:
	75	+)))
70	70
	77	+* (((
	78	+Idle: 4mA@12v
	79	+)))
	80	+* (((
	81	+20dB Transmit: 34mA@12v
	82	+)))
	83	+)))
	84	+
	85	+(((
	86	+
	87	+
71	71	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
	89	+)))
72	72
73		-* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
74		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
75		-* 2 x Relay Output (5A@250VAC / 30VDC)
76		-* 2 x 0~~20mA Analog Input (res:0.01mA)
77		-* 2 x 0~~30V Analog Input (res:0.01v)
78		-* Power Input 7~~ 24V DC.
	91	+* (((
	92	+2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	93	+)))
	94	+* (((
	95	+2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	96	+)))
	97	+* (((
	98	+2 x Relay Output (5A@250VAC / 30VDC)
	99	+)))
	100	+* (((
	101	+2 x 0~~20mA Analog Input (res:0.01mA)
	102	+)))
	103	+* (((
	104	+2 x 0~~30V Analog Input (res:0.01v)
	105	+)))
	106	+* (((
	107	+Power Input 7~~ 24V DC.
	108	+)))
79	79
	110	+(((
	111	+
	112	+
80	80	(% style="color:#037691" %)**LoRa Spec:**
	114	+)))
81	81
82		-* Frequency Range:
83		-** Band 1 (HF): 862 ~~ 1020 Mhz
84		-** Band 2 (LF): 410 ~~ 528 Mhz
85		-* 168 dB maximum link budget.
86		-* +20 dBm - 100 mW constant RF output vs.
87		-* +14 dBm high efficiency PA.
88		-* Programmable bit rate up to 300 kbps.
89		-* High sensitivity: down to -148 dBm.
90		-* Bullet-proof front end: IIP3 = -12.5 dBm.
91		-* Excellent blocking immunity.
92		-* Low RX current of 10.3 mA, 200 nA register retention.
93		-* Fully integrated synthesizer with a resolution of 61 Hz.
94		-* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
95		-* Built-in bit synchronizer for clock recovery.
96		-* Preamble detection.
97		-* 127 dB Dynamic Range RSSI.
98		-* Automatic RF Sense and CAD with ultra-fast AFC.
99		-* Packet engine up to 256 bytes with CRC.
	116	+* (((
	117	+(((
	118	+Frequency Range:
	119	+)))
100	100
	121	+* (((
	122	+Band 1 (HF): 862 ~~ 1020 Mhz
	123	+)))
	124	+* (((
	125	+Band 2 (LF): 410 ~~ 528 Mhz
	126	+)))
	127	+)))
	128	+* (((
	129	+168 dB maximum link budget.
	130	+)))
	131	+* (((
	132	++20 dBm - 100 mW constant RF output vs.
	133	+)))
	134	+* (((
	135	++14 dBm high efficiency PA.
	136	+)))
	137	+* (((
	138	+Programmable bit rate up to 300 kbps.
	139	+)))
	140	+* (((
	141	+High sensitivity: down to -148 dBm.
	142	+)))
	143	+* (((
	144	+Bullet-proof front end: IIP3 = -12.5 dBm.
	145	+)))
	146	+* (((
	147	+Excellent blocking immunity.
	148	+)))
	149	+* (((
	150	+Low RX current of 10.3 mA, 200 nA register retention.
	151	+)))
	152	+* (((
	153	+Fully integrated synthesizer with a resolution of 61 Hz.
	154	+)))
	155	+* (((
	156	+FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	157	+)))
	158	+* (((
	159	+Built-in bit synchronizer for clock recovery.
	160	+)))
	161	+* (((
	162	+Preamble detection.
	163	+)))
	164	+* (((
	165	+127 dB Dynamic Range RSSI.
	166	+)))
	167	+* (((
	168	+Automatic RF Sense and CAD with ultra-fast AFC.
	169	+)))
	170	+* (((
	171	+Packet engine up to 256 bytes with CRC.
	172	+
	173	+
	174	+
	175	+
	176	+)))
	177	+
101	101	== 1.3 Features ==
102	102
	180	+
103	103	* LoRaWAN Class A & Class C protocol
104	104	* Optional Customized LoRa Protocol
105	105	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
...	...	@@ -108,8 +108,12 @@
108	108	* Firmware upgradable via program port
109	109	* Counting
110	110
111		-== 1.4 Applications ==
112	112
	190	+
	191	+
	192	+== 1.4  Applications ==
	193	+
	194	+
113	113	* Smart Buildings & Home Automation
114	114	* Logistics and Supply Chain Management
115	115	* Smart Metering
...	...	@@ -117,15 +117,15 @@
117	117	* Smart Cities
118	118	* Smart Factory
119	119
	202	+
	203	+
	204	+
120	120	== 1.5 Hardware Variants ==
121	121
122	122
123		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
124		-|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
125		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
126		-(% style="text-align:center" %)
127		-[[image:image-20230424115112-1.png||height="106" width="58"]]
128		-)))|(% style="width:334px" %)(((
	208	+(% border="1" style="background-color:#f7faff; width:500px" %)
	209	+|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
	210	+|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
129	129	* 2 x Digital Input (Bi-direction)
130	130	* 2 x Digital Output
131	131	* 2 x Relay Output (5A@250VAC / 30VDC)
...	...	@@ -134,17 +134,29 @@
134	134	* 1 x Counting Port
135	135	)))
136	136
	219	+
	220	+
	221	+
137	137	= 2. Power ON Device =
138	138
	224	+
	225	+(((
139	139	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
	227	+)))
140	140
	229	+(((
141	141	PWR will on when device is properly powered.
142	142
	232	+
	233	+)))
	234	+
143	143	[[image:1653297104069-180.png]]
144	144
145	145
	238	+
146	146	= 3. Operation Mode =
147	147
	241	+
148	148	== 3.1 How it works? ==
149	149
150	150
...	...	@@ -157,6 +157,7 @@
157	157	)))
158	158
159	159
	254	+
160	160	== 3.2 Example to join LoRaWAN network ==
161	161
162	162
...	...	@@ -183,7 +183,7 @@
183	183	Each LT is shipped with a sticker with the default device EUI as below:
184	184	)))
185	185
186		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	281	+[[image:1653297924498-393.png]]
187	187
188	188
189	189	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
...	...	@@ -198,6 +198,7 @@
198	198	[[image:1653298023685-319.png]]
199	199
200	200
	296	+
201	201	(((
202	202	(% 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.
203	203
...	...	@@ -207,6 +207,7 @@
207	207	[[image:1653298044601-602.png||height="405" width="709"]]
208	208
209	209
	306	+
210	210	== 3.3 Uplink Payload ==
211	211
212	212
...	...	@@ -213,47 +213,33 @@
213	213	There are five working modes + one interrupt mode on LT for different type application:
214	214
215	215	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
216		-
217	217	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
218		-
219	219	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
220		-
221	221	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
222		-
223	223	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
224		-
225	225	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
226	226
	319	+
	320	+
	321	+
227	227	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
228	228
229	229
230	230	(((
231		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
232		-
233		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
234		-|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
235		-|Value|(((
236		-AVI1 voltage
237		-)))|(((
238		-AVI2 voltage
239		-)))|(((
240		-ACI1 Current
241		-)))|(((
242		-ACI2 Current
243		-)))|DIDORO*|(((
244		-Reserve
245		-)))|MOD
	326	+The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
246	246	)))
247	247
	329	+[[image:image-20220523174024-3.png]]
	330	+
248	248	(((
249		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	332	+
250	250
251		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
252		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
253		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	334	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
254	254	)))
255	255
256		-* RO is for relay. ROx=1 : close, ROx=0 always open.
	337	+[[image:image-20220523174254-4.png]]
	338	+
	339	+* RO is for relay. ROx=1 : close，ROx=0 always open.
257	257	* DI is for digital input. DIx=1: high or float, DIx=0: low.
258	258	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
259	259
...	...	@@ -264,7 +264,7 @@
264	264
265	265	**The value for the interface is:  **
266	266
267		-AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
	350	+AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
268	268
269	269	AVI2 channel voltage is 0x04AC/1000=1.196V
270	270
...	...	@@ -292,6 +292,9 @@
292	292	** DO1 is high in case there is load between DO1 and V+.
293	293	** DO1 LED is off in both case
294	294
	378	+
	379	+
	380	+
295	295	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
296	296
297	297
...	...	@@ -301,55 +301,56 @@
301	301
302	302	(((
303	303	Total : 11 bytes payload
304		-
305		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
306		-|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
307		-|Value|COUNT1|COUNT2 |DIDORO*|(((
308		-Reserve
309		-)))|MOD
310	310	)))
311	311
312		-(((
313		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	392	+[[image:image-20220523180452-3.png]]
314	314
315		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
316		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
317		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
318	318
319		-RO is for relay. ROx=1 : close , ROx=0 always open.
	395	+(((
	396	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
320	320	)))
321	321
	399	+[[image:image-20220523180506-4.png]]
	400	+
	401	+* RO is for relay. ROx=1 : close，ROx=0 always open.
322	322	* FIRST: Indicate this is the first packet after join network.
323	323	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
324	324
325	325	(((
326	326	(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
327		-
328		-
329	329	)))
330	330
331	331	(((
	410	+
	411	+
332	332	**To use counting mode, please run:**
333	333	)))
334	334
335		-(((
336	336	(% class="box infomessage" %)
337	337	(((
	417	+(((
	418	+(((
338	338	**AT+MOD=2**
	420	+)))
339	339
	422	+(((
340	340	**ATZ**
341	341	)))
342	342	)))
	426	+)))
343	343
344	344	(((
345	345
346	346
347	347	(% style="color:#4f81bd" %)**AT Commands for counting:**
	432	+
	433	+
348	348	)))
349	349
350	350	(((
351	351	**For LT22222-L:**
352	352
	439	+
353	353	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
354	354
355	355	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -364,28 +364,23 @@
364	364	)))
365	365
366	366
	454	+
367	367	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
368	368
369	369
370	370	**LT22222-L**: This mode the DI1 is used as a counting pin.
371	371
372		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
373		-|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
374		-|Value|COUNT1|(((
375		-ACI1 Current
376		-)))|(((
377		-ACI2 Current
378		-)))|DIDORO*|Reserve|MOD
	460	+[[image:image-20220523181246-5.png]]
379	379
380	380	(((
381		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	463	+
382	382
383		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
384		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
385		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	465	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
386	386	)))
387	387
388		-* RO is for relay. ROx=1 : close, ROx=0 always open.
	468	+[[image:image-20220523181301-6.png]]
	469	+
	470	+* RO is for relay. ROx=1 : close，ROx=0 always open.
389	389	* FIRST: Indicate this is the first packet after join network.
390	390	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
391	391
...	...	@@ -398,14 +398,18 @@
398	398	**To use counting mode, please run:**
399	399	)))
400	400
401		-(((
402	402	(% class="box infomessage" %)
403	403	(((
	485	+(((
	486	+(((
404	404	**AT+MOD=3**
	488	+)))
405	405
	490	+(((
406	406	**ATZ**
407	407	)))
408	408	)))
	494	+)))
409	409
410	410	(((
411	411	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -412,6 +412,7 @@
412	412	)))
413	413
414	414
	501	+
415	415	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
416	416
417	417
...	...	@@ -421,52 +421,55 @@
421	421
422	422	(((
423	423	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.
424		-
425		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
426		-|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
427		-|Value|COUNT1|AVI1 Counting|DIDORO*|(((
428		-Reserve
429		-)))|MOD
430	430	)))
431	431
	513	+[[image:image-20220523181903-8.png]]
	514	+
	515	+
432	432	(((
433	433	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
434		-
435		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
436		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
437		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
438	438	)))
439	439
440		-* RO is for relay. ROx=1 : close, ROx=0 always open.
	520	+[[image:image-20220523181727-7.png]]
	521	+
	522	+* RO is for relay. ROx=1 : close，ROx=0 always open.
441	441	* FIRST: Indicate this is the first packet after join network.
442	442	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
443	443
444	444	(((
445	445	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
446		-
447		-
448	448	)))
449	449
450	450	(((
	531	+
	532	+
451	451	**To use this mode, please run:**
452	452	)))
453	453
454		-(((
455	455	(% class="box infomessage" %)
456	456	(((
	538	+(((
	539	+(((
457	457	**AT+MOD=4**
	541	+)))
458	458
	543	+(((
459	459	**ATZ**
460	460	)))
461	461	)))
	547	+)))
462	462
	549	+
463	463	(((
464	464	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
465	465	)))
466	466
467	467	(((
	555	+
	556	+
468	468	**Plus below command for AVI1 Counting:**
469	469
	559	+
470	470	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
471	471
472	472	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -477,32 +477,21 @@
477	477	)))
478	478
479	479
	570	+
480	480	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
481	481
482	482
483	483	**LT22222-L**: This mode the DI1 is used as a counting pin.
484	484
485		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
486		-|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
487		-|Value|(((
488		-AVI1 voltage
489		-)))|(((
490		-AVI2 voltage
491		-)))|(((
492		-ACI1 Current
493		-)))|COUNT1|DIDORO*|(((
494		-Reserve
495		-)))|MOD
	576	+[[image:image-20220523182334-9.png]]
496	496
497	497	(((
498		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	579	+
499	499
500		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
501		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
502		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	581	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
503	503	)))
504	504
505		-* RO is for relay. ROx=1 : close, ROx=0 always open.
	584	+* RO is for relay. ROx=1 : close，ROx=0 always open.
506	506	* FIRST: Indicate this is the first packet after join network.
507	507	* (((
508	508	DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -513,17 +513,23 @@
513	513	)))
514	514
515	515	(((
	595	+
	596	+
516	516	**To use this mode, please run:**
517	517	)))
518	518
519		-(((
520	520	(% class="box infomessage" %)
521	521	(((
	602	+(((
	603	+(((
522	522	**AT+MOD=5**
	605	+)))
523	523
	607	+(((
524	524	**ATZ**
525	525	)))
526	526	)))
	611	+)))
527	527
528	528	(((
529	529	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -530,6 +530,7 @@
530	530	)))
531	531
532	532
	618	+
533	533	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
534	534
535	535
...	...	@@ -584,6 +584,7 @@
584	584	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
585	585
586	586
	673	+
587	587	(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
588	588
589	589	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
...	...	@@ -618,39 +618,12 @@
618	618
619	619	MOD6 Payload : total 11 bytes payload
620	620
621		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
622		-|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
623		-|Value|(((
624		-TRI_A FLAG
625		-)))|(((
626		-TRI_A Status
627		-)))|(((
628		-TRI_DI FLAG+STA
629		-)))|Reserve|Enable/Disable MOD6|(((
630		-MOD(6)
631		-)))
	708	+[[image:image-20220524085923-1.png]]
632	632
	710	+
633	633	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
634	634
635		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
636		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
637		-|(((
638		-AV1_LOW
639		-)))|(((
640		-AV1_HIGH
641		-)))|(((
642		-AV2_LOW
643		-)))|(((
644		-AV2_HIGH
645		-)))|(((
646		-AC1_LOW
647		-)))|(((
648		-AC1_HIGH
649		-)))|(((
650		-AC2_LOW
651		-)))|(((
652		-AC2_HIGH
653		-)))
	713	+[[image:image-20220524090106-2.png]]
654	654
655	655	* Each bits shows if the corresponding trigger has been configured.
656	656
...	...	@@ -659,27 +659,10 @@
659	659	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
660	660
661	661
	722	+
662	662	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
663	663
664		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
665		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
666		-|(((
667		-AV1_LOW
668		-)))|(((
669		-AV1_HIGH
670		-)))|(((
671		-AV2_LOW
672		-)))|(((
673		-AV2_HIGH
674		-)))|(((
675		-AC1_LOW
676		-)))|(((
677		-AC1_HIGH
678		-)))|(((
679		-AC2_LOW
680		-)))|(((
681		-AC2_HIGH
682		-)))
	725	+[[image:image-20220524090249-3.png]]
683	683
684	684	* Each bits shows which status has been trigger on this uplink.
685	685
...	...	@@ -688,11 +688,10 @@
688	688	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
689	689
690	690
	734	+
691	691	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
692	692
693		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
694		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
695		-|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
	737	+[[image:image-20220524090456-4.png]]
696	696
697	697	* Each bits shows which status has been trigger on this uplink.
698	698
...	...	@@ -703,6 +703,7 @@
703	703	00000101: Means both DI1 and DI2 trigger are enabled.
704	704
705	705
	748	+
706	706	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
707	707
708	708	Downlink command to poll MOD6 status:
...	...	@@ -712,6 +712,7 @@
712	712	When device got this command, it will send the MOD6 payload.
713	713
714	714
	758	+
715	715	=== 3.3.7 Payload Decoder ===
716	716
717	717	(((
...	...	@@ -721,6 +721,7 @@
721	721	)))
722	722
723	723
	768	+
724	724	== 3.4 ​Configure LT via AT or Downlink ==
725	725
726	726
...	...	@@ -738,6 +738,8 @@
738	738
739	739	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
740	740
	786	+
	787	+
741	741	=== 3.4.1 Common Commands ===
742	742
743	743
...	...	@@ -746,8 +746,10 @@
746	746	)))
747	747
748	748
	796	+
749	749	=== 3.4.2 Sensor related commands ===
750	750
	799	+
751	751	==== 3.4.2.1 Set Transmit Interval ====
752	752
753	753
...	...	@@ -755,7 +755,7 @@
755	755
756	756	* (% style="color:#037691" %)**AT Command:**
757	757
758		-(% style="color:blue" %)**AT+TDC=N **
	807	+**(% style="color:blue" %)AT+TDC=N **
759	759
760	760
761	761	**Example: **AT+TDC=30000. Means set interval to 30 seconds
...	...	@@ -763,104 +763,130 @@
763	763
764	764	* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
765	765
766		-(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
	815	+**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
767	767
768	768
769	769
	819	+
770	770	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
771	771
772	772
773	773	Set work mode.
774	774
775		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	825	+* (% style="color:#037691" %)**AT Command:**
776	776
	827	+**(% style="color:blue" %)AT+MOD=N  **
	828	+
	829	+
777	777	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
778	778
	832	+
779	779	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
780	780
781		-(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
	835	+**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
782	782
783	783
784	784
	839	+
785	785	==== 3.4.2.3 Poll an uplink ====
786	786
787	787
788		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	843	+* (% style="color:#037691" %)**AT Command:**
789	789
	845	+There is no AT Command to poll uplink
	846	+
	847	+
790	790	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
791	791
792		-(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
	850	+**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
793	793
	852	+
794	794	**Example**: 0x08FF, ask device to send an Uplink
795	795
796	796
797	797
	857	+
798	798	==== 3.4.2.4 Enable Trigger Mode ====
799	799
800	800
801	801	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
802	802
803		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	863	+* (% style="color:#037691" %)**AT Command:**
804	804
805		-(% style="color:red" %)**1:** (%%)Enable Trigger Mode
	865	+**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
806	806
807		-(% style="color:red" %)**0: **(%%)Disable Trigger Mode
	867	+**(% style="color:red" %)1:** Enable Trigger Mode
808	808
	869	+**(% style="color:red" %)0: **Disable Trigger Mode
809	809
	871	+
810	810	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
811	811
812		-(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
	874	+**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
813	813
814	814
815	815
	878	+
816	816	==== 3.4.2.5 Poll trigger settings ====
817	817
818	818
819		-Poll trigger settings
	882	+Poll trigger settings,
820	820
821	821	* (% style="color:#037691" %)**AT Command:**
822	822
823	823	There is no AT Command for this feature.
824	824
	888	+
825	825	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
826	826
827		-(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	891	+**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
828	828
829	829
830	830
	895	+
831	831	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
832	832
833	833
834	834	Enable Disable DI1/DI2/DI2 as trigger,
835	835
836		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	901	+* (% style="color:#037691" %)**AT Command:**
837	837
838		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	903	+**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
839	839
840	840
	906	+**Example:**
	907	+
	908	+AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	909	+
841	841	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
842	842
843		-(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
	912	+**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
844	844
845	845
846	846
	916	+
847	847	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
848	848
849	849
850	850	Set DI1 or DI3(for LT-33222-L) trigger.
851	851
852		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
	922	+* (% style="color:#037691" %)**AT Command:**
853	853
854		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	924	+**(% style="color:blue" %)AT+TRIG1=a,b**
855	855
856		-(% style="color:red" %)**b :** (%%)delay timing.
	926	+**(% style="color:red" %)a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
857	857
858		-**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
	928	+**(% style="color:red" %)b :** (%%)delay timing.
859	859
860	860
	931	+**Example:**
	932	+
	933	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
	934	+
	935	+
861	861	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	937	+* **(% style="color:blue" %)0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
862	862
863		-(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
864	864
865	865
866	866
...	...	@@ -869,64 +869,85 @@
869	869
870	870	Set DI2 trigger.
871	871
872		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
	947	+* (% style="color:#037691" %)**AT Command:**
873	873
874		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	949	+**(% style="color:blue" %)AT+TRIG2=a,b**
875	875
876		-(% style="color:red" %)**b :** (%%)delay timing.
877	877
878		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	952	+**(% style="color:red" %)a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
879	879
	954	+**(% style="color:red" %)b :** (%%)delay timing.
880	880
	956	+
	957	+**Example:**
	958	+
	959	+AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	960	+
	961	+
881	881	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
882	882
883		-(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
	964	+**(% style="color:blue" %)0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
884	884
885	885
886	886
	968	+
887	887	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
888	888
889	889
890	890	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
891	891
892		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
	974	+* (% style="color:#037691" %)**AT Command**
893	893
	976	+**(% style="color:blue" %)AT+ACLIM**
	977	+
	978	+
894	894	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
895	895
896		-(% 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"]]
	981	+**(% 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"]]
897	897
898	898
899	899
	985	+
900	900	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
901	901
902	902
903	903	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
904	904
905		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	991	+* (% style="color:#037691" %)**AT Command**
906	906
	993	+**(% style="color:blue" %)AT+AVLIM  (%%) See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	994	+
	995	+
907	907	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
908	908
909		-(% 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"]]
	998	+**(% 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	910
911	911
912	912
	1002	+
913	913	==== 3.4.2.11 Trigger – Set minimum interval ====
914	914
915	915
916	916	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
917	917
918		-* (% 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.
	1008	+* (% style="color:#037691" %)**AT Command**
919	919
	1010	+**(% style="color:blue" %)AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
	1011	+
	1012	+
920	920	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
921	921
922		-(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	1015	+**(% style="color:blue" %)0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
923	923
924	924	(((
	1018	+
	1019	+
925	925	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
926	926	)))
927	927
928	928
929	929
	1025	+
930	930	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
931	931
932	932
...	...	@@ -936,9 +936,8 @@
936	936
937	937
938	938	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	1035	+* **(% style="color:blue" %)0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
939	939
940		-(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
941		-
942	942	(((
943	943	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
944	944	)))
...	...	@@ -945,14 +945,10 @@
945	945
946	946	(((
947	947	01: Low,  00: High ,  11: No action
948		-
949		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
950		-|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
951		-|02  01  00  11|Low|High|No Action
952		-|02  00  11  01|High|No Action|Low
953		-|02  11  01  00|No Action|Low|High
954	954	)))
955	955
	1045	+[[image:image-20220524092754-5.png]]
	1046	+
956	956	(((
957	957	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
958	958	)))
...	...	@@ -963,6 +963,7 @@
963	963
964	964
965	965
	1057	+
966	966	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
967	967
968	968
...	...	@@ -973,7 +973,7 @@
973	973
974	974	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
975	975
976		-(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
	1068	+**(% style="color:blue" %)0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
977	977
978	978
979	979	This is to control the digital output time of DO pin. Include four bytes:
...	...	@@ -989,37 +989,23 @@
989	989
990	990	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
991	991
992		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
993		-|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
994		-|0x01|DO1 set to low
995		-|0x00|DO1 set to high
996		-|0x11|DO1 NO Action
	1084	+[[image:image-20220524093238-6.png]]
997	997
	1086	+
998	998	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
999	999
1000		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1001		-|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1002		-|0x01|DO2 set to low
1003		-|0x00|DO2 set to high
1004		-|0x11|DO2 NO Action
	1089	+[[image:image-20220524093328-7.png]]
1005	1005
	1091	+
1006	1006	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1007	1007
1008		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1009		-|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1010		-|0x01|DO3 set to low
1011		-|0x00|DO3 set to high
1012		-|0x11|DO3 NO Action
	1094	+[[image:image-20220524093351-8.png]]
1013	1013
1014		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1015	1015
	1097	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1016	1016
1017		-(% style="color:red" %)**Note: **
	1099	+ Latching time. Unit: ms
1018	1018
1019		- Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1020		-
1021		- Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1022		-
1023	1023	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1024	1024
1025	1025
...	...	@@ -1043,6 +1043,7 @@
1043	1043
1044	1044
1045	1045
	1124	+
1046	1046	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1047	1047
1048	1048
...	...	@@ -1053,7 +1053,7 @@
1053	1053
1054	1054	* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1055	1055
1056		-(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
	1135	+**(% style="color:blue" %)0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1057	1057
1058	1058
1059	1059	(((
...	...	@@ -1061,18 +1061,11 @@
1061	1061	)))
1062	1062
1063	1063	(((
1064		-00: Close ,  01: Open , 11: No action
	1143	+01: Close ,  00: Open , 11: No action
	1144	+)))
1065	1065
1066		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1067		-|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1068		-|03  00  11|Open|No Action
1069		-|03  01  11|Close|No Action
1070		-|03  11  00|No Action|Open
1071		-|03  11  01|No Action|Close
1072		-|03  00  00|Open|Open
1073		-|03  01  01|Close|Close
1074		-|03  01  00|Close|Open
1075		-|03  00  01|Open|Close
	1146	+(((
	1147	+[[image:image-20220524093724-9.png]]
1076	1076	)))
1077	1077
1078	1078	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1079,6 +1079,7 @@
1079	1079
1080	1080
1081	1081
	1154	+
1082	1082	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1083	1083
1084	1084
...	...	@@ -1089,7 +1089,7 @@
1089	1089
1090	1090	* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1091	1091
1092		-(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
	1165	+**(% style="color:blue" %)0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1093	1093
1094	1094
1095	1095	This is to control the relay output time of relay. Include four bytes:
...	...	@@ -1110,20 +1110,12 @@
1110	1110
1111	1111	(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1112	1112
1113		-
1114		-(% style="color:red" %)**Note:**
1115		-
1116		- Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1117		-
1118		- Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1119		-
1120		-
1121	1121	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1122	1122
1123	1123
1124	1124	**Example payload:**
1125	1125
1126		-**~1. 05 01 11 07 D0**
	1191	+**~1. 05 01 11 07 D**
1127	1127
1128	1128	Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1129	1129
...	...	@@ -1146,54 +1146,65 @@
1146	1146
1147	1147	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1148	1148
1149		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1214	+* (% style="color:#037691" %)**AT Command:**
1150	1150
	1216	+**(% style="color:blue" %)AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1217	+
	1218	+
1151	1151	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1152	1152
1153		-(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
	1221	+**(% style="color:blue" %)0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1154	1154
1155	1155
1156	1156
	1225	+
1157	1157	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1158	1158
1159	1159
1160		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
	1229	+* (% style="color:#037691" %)**AT Command:**
1161	1161
1162		-(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
	1231	+**(% style="color:blue" %)AT+SETCNT=aa,(bb cc dd ee) **
1163	1163
1164		-(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
	1233	+**(% style="color:red" %)aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1165	1165
	1235	+**(% style="color:red" %)bb cc dd ee: **(%%)number to be set
1166	1166
	1237	+
1167	1167	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1168	1168
1169		-(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
	1240	+**(% style="color:blue" %)0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1170	1170
1171	1171
1172	1172
	1244	+
1173	1173	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1174	1174
1175	1175
1176	1176	Clear counting for counting mode
1177	1177
1178		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
	1250	+* (% style="color:#037691" %)**AT Command:**
1179	1179
	1252	+**(% style="color:blue" %)AT+CLRCOUNT **(%%) ~/~/ clear all counting
	1253	+
	1254	+
1180	1180	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1181	1181
1182		-(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
	1257	+**(% style="color:blue" %)0x A6 01    ** (%%)~/~/ clear all counting
1183	1183
1184	1184
1185	1185
	1261	+
1186	1186	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1187	1187
1188	1188
1189	1189	* (% style="color:#037691" %)**AT Command:**
1190	1190
1191		-(% 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)
	1267	+**(% 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)
1192	1192
1193	1193
1194	1194	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1195	1195
1196		-(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
	1272	+**(% style="color:blue" %)0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1197	1197
1198	1198	(((
1199	1199	range: aa bb cc:0 to 16777215,  (unit:second)
...	...	@@ -1201,20 +1201,22 @@
1201	1201
1202	1202
1203	1203
1204		-==== 3.4.2.20 Reset save RO DO state ====
1205	1205
	1281	+==== 3.4.2.20 Reset save DR DO state ====
1206	1206
	1283	+
1207	1207	* (% style="color:#037691" %)**AT Command:**
1208	1208
1209		-(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
	1286	+**(% style="color:blue" %)AT+RODORET=1  **(%%)~/~/ RODO will close when the device joining the network. (default)
1210	1210
1211		-(% 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.
	1288	+**(% style="color:blue" %)AT+RODORET=0  **(%%)~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1212	1212
1213	1213
1214	1214	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1215	1215
1216		-(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
	1293	+**(% style="color:blue" %)0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1217	1217
	1295	+
1218	1218
1219	1219
1220	1220	==== 3.4.2.21 Encrypted payload ====
...	...	@@ -1222,56 +1222,60 @@
1222	1222
1223	1223	* (% style="color:#037691" %)**AT Command:**
1224	1224
1225		-(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
	1303	+**(% style="color:blue" %)AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1226	1226
1227		-(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
	1305	+**(% style="color:blue" %)AT+DECRYPT=0  **(%%)~/~/Encrypt when uploading payload (default)
1228	1228
1229	1229
1230	1230
	1309	+
1231	1231	==== 3.4.2.22 Get sensor value ====
1232	1232
1233	1233
1234	1234	* (% style="color:#037691" %)**AT Command:**
1235	1235
1236		-(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
	1315	+**(% style="color:blue" %)AT+GETSENSORVALUE=0  **(%%)~/~/ The serial port gets the reading of the current sensor
1237	1237
1238		-(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
	1317	+**(% style="color:blue" %)AT+GETSENSORVALUE=1  **(%%)~/~/The serial port gets the current sensor reading and uploads it.
1239	1239
1240	1240
1241	1241
	1321	+
1242	1242	==== 3.4.2.23 Resets the downlink packet count ====
1243	1243
1244	1244
1245	1245	* (% style="color:#037691" %)**AT Command:**
1246	1246
1247		-(% 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)
	1327	+**(% 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)
1248	1248
1249		-(% 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.
	1329	+**(% 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.
1250	1250
1251	1251
1252	1252
	1333	+
1253	1253	==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1254	1254
1255	1255
1256	1256	* (% style="color:#037691" %)**AT Command:**
1257	1257
1258		-(% 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)
	1339	+**(% 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)
1259	1259
1260		-(% 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.
	1341	+**(% 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.
1261	1261
1262	1262
1263	1263	* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1264	1264
1265		-(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	1346	+**(% style="color:blue" %)0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1266	1266
1267	1267
1268	1268
	1350	+
1269	1269	==== 3.4.2.25 Copy downlink to uplink ====
1270	1270
1271	1271
1272	1272	* (% style="color:#037691" %)**AT Command**(%%)**:**
1273	1273
1274		-(% 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.
	1356	+**(% 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.
1275	1275
1276	1276	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.
1277	1277
...	...	@@ -1294,7 +1294,7 @@
1294	1294	* (((
1295	1295	(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1296	1296
1297		-(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1379	+**(% style="color:blue" %)26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1298	1298
1299	1299
1300	1300	)))
...	...	@@ -1304,6 +1304,9 @@
1304	1304	[[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"]]
1305	1305
1306	1306
	1389	+
	1390	+)))
	1391	+
1307	1307	== 3.5 Integrate with Mydevice ==
1308	1308
1309	1309
...	...	@@ -1328,7 +1328,7 @@
1328	1328
1329	1329	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1330	1330
1331		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1416	+(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1332	1332
1333	1333	Search under The things network
1334	1334
...	...	@@ -1335,6 +1335,7 @@
1335	1335	[[image:1653356838789-523.png||height="337" width="740"]]
1336	1336
1337	1337
	1423	+
1338	1338	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1339	1339
1340	1340	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1352,8 +1352,10 @@
1352	1352	[[image:image-20220524094909-5.png||height="341" width="734"]]
1353	1353
1354	1354
	1441	+
1355	1355	== 3.6 Interface Detail ==
1356	1356
	1444	+
1357	1357	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1358	1358
1359	1359
...	...	@@ -1362,16 +1362,17 @@
1362	1362	[[image:1653356991268-289.png]]
1363	1363
1364	1364
	1453	+
1365	1365	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1366	1366
1367	1367
1368	1368	(((
1369		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1458	+The DI port of LT-22222-L can support NPN or PNP output sensor.
1370	1370	)))
1371	1371
1372	1372	(((
1373	1373	(((
1374		-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.
	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.
1375	1375
1376	1376
1377	1377	)))
...	...	@@ -1418,6 +1418,8 @@
1418	1418
1419	1419	(((
1420	1420
	1510	+
	1511	+
1421	1421	)))
1422	1422
1423	1423	(((
...	...	@@ -1449,6 +1449,8 @@
1449	1449
1450	1450	(((
1451	1451
	1543	+
	1544	+
1452	1452	)))
1453	1453
1454	1454	(((
...	...	@@ -1479,29 +1479,16 @@
1479	1479	)))
1480	1480
1481	1481
1482		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1483	1483
1484		-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.
1485		-
1486		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1487		-
1488		-[[image:image-20230616235145-1.png]]
1489		-
1490		-(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1491		-
1492		-[[image:image-20240219115718-1.png]]
1493		-
1494		-
1495	1495	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1496	1496
1497	1497
1498		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1579	+NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1499	1499
1500		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1501		-
1502	1502	[[image:1653357531600-905.png]]
1503	1503
1504	1504
	1584	+
1505	1505	=== 3.6.4 Analog Input Interface ===
1506	1506
1507	1507
...	...	@@ -1519,12 +1519,13 @@
1519	1519
1520	1520	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1521	1521
1522		-(% style="color:red" %)**Red:  12~~24v**
	1602	+**Red:  12~~24v**
1523	1523
1524		-(% style="color:#ffc000" %)**Yellow:  4~~20mA**
	1604	+**Yellow:  4~~20mA**
1525	1525
1526	1526	**Black:  GND**
1527	1527
	1608	+
1528	1528	**Connection diagram:**
1529	1529
1530	1530	[[image:1653357640609-758.png]]
...	...	@@ -1532,29 +1532,12 @@
1532	1532	[[image:1653357648330-671.png||height="155" width="733"]]
1533	1533
1534	1534
1535		-Example connected to a regulated power supply to measure voltage
1536	1536
1537		-[[image:image-20230608101532-1.png||height="606" width="447"]]
1538		-
1539		-[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1540		-
1541		-[[image:image-20230608101722-3.png||height="102" width="1139"]]
1542		-
1543		-
1544		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1545		-
1546		-(% style="color:red" %)**Red:  12~~24v**
1547		-
1548		-**Black:  GND**
1549		-
1550		-
1551	1551	=== 3.6.5 Relay Output ===
1552	1552
1553	1553
1554	1554	(((
1555		-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:
1556		-
1557		-**Note**: RO pins go to Open(NO) when device is power off.
	1621	+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:
1558	1558	)))
1559	1559
1560	1560	[[image:image-20220524100215-9.png]]
...	...	@@ -1563,39 +1563,17 @@
1563	1563	[[image:image-20220524100215-10.png||height="382" width="723"]]
1564	1564
1565	1565
	1630	+
1566	1566	== 3.7 LEDs Indicators ==
1567	1567
1568	1568
1569		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1570		-|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1571		-|**PWR**|Always on if there is power
1572		-|**TX**|(((
1573		-(((
1574		-Device boot: TX blinks 5 times.
1575		-)))
	1634	+[[image:image-20220524100748-11.png]]
1576	1576
1577		-(((
1578		-Successful join network: TX ON for 5 seconds.
1579		-)))
1580	1580
1581		-(((
1582		-Transmit a LoRa packet: TX blinks once
1583		-)))
1584		-)))
1585		-|**RX**|RX blinks once when receive a packet.
1586		-|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1587		-|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1588		-|**DI1**|(((
1589		-For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1590		-)))
1591		-|**DI2**|(((
1592		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1593		-)))
1594		-|**RO1**|
1595		-|**RO2**|
1596	1596
1597	1597	= 4. Use AT Command =
1598	1598
	1640	+
1599	1599	== 4.1 Access AT Command ==
1600	1600
1601	1601
...	...	@@ -1603,6 +1603,10 @@
1603	1603	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.
1604	1604	)))
1605	1605
	1648	+(((
	1649	+
	1650	+)))
	1651	+
1606	1606	[[image:1653358238933-385.png]]
1607	1607
1608	1608
...	...	@@ -1802,8 +1802,10 @@
1802	1802	)))
1803	1803
1804	1804
	1851	+
1805	1805	== 4.2 Common AT Command Sequence ==
1806	1806
	1854	+
1807	1807	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1808	1808
1809	1809	(((
...	...	@@ -1848,6 +1848,7 @@
1848	1848	)))
1849	1849
1850	1850
	1899	+
1851	1851	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1852	1852
1853	1853	(((
...	...	@@ -1920,7 +1920,9 @@
1920	1920	**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?
1921	1921	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1922	1922
1923		-**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.**
	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	+
1924	1924	)))
1925	1925
1926	1926	(((
...	...	@@ -1927,32 +1927,29 @@
1927	1927	[[image:1653359097980-169.png||height="188" width="729"]]
1928	1928	)))
1929	1929
	1981	+(((
	1982	+
	1983	+)))
1930	1930
	1985	+
1931	1931	=== 4.2.3 Change to Class A ===
1932	1932
1933	1933
1934	1934	(((
1935		-(% style="color:blue" %)**If sensor JOINED:**
	1990	+(% style="color:blue" %)If sensor JOINED:
1936	1936
1937		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1938		-
1939		-(% style="background-color:#dcdcdc" %)**ATZ**
	1992	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1993	+ATZ**
1940	1940	)))
1941	1941
1942	1942
1943		-= 5. Case Study =
1944	1944
1945		-== 5.1 Counting how many objects pass in Flow Line ==
	1998	+= 5. FAQ =
1946	1946
1947	1947
1948		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
	2001	+== 5.1 How to upgrade the image? ==
1949	1949
1950	1950
1951		-= 6. FAQ =
1952		-
1953		-== 6.1 How to upgrade the image? ==
1954		-
1955		-
1956	1956	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1957	1957
1958	1958	* Support new features
...	...	@@ -1966,7 +1966,7 @@
1966	1966
1967	1967	(((
1968	1968	(% 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]].
1969		-(% 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]].
	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]].
1970	1970	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1971	1971
1972	1972
...	...	@@ -1980,22 +1980,23 @@
1980	1980
1981	1981	[[image:image-20220524103407-12.png]]
1982	1982
1983		-
1984	1984	[[image:image-20220524103429-13.png]]
1985	1985
1986		-
1987	1987	[[image:image-20220524104033-15.png]]
1988	1988
1989	1989
1990	1990	(% 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:
1991	1991
	2038	+
1992	1992	[[image:1653360054704-518.png||height="186" width="745"]]
1993	1993
1994	1994
1995	1995	(((
1996	1996	(((
1997		-== 6.2 How to change the LoRa Frequency Bands/Region? ==
	2044	+
1998	1998
	2046	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2047	+
1999	1999
2000	2000	)))
2001	2001	)))
...	...	@@ -2007,8 +2007,9 @@
2007	2007	(((
2008	2008
2009	2009
2010		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2011	2011
	2060	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2061	+
2012	2012
2013	2013	)))
2014	2014
...	...	@@ -2022,6 +2022,7 @@
2022	2022	(((
2023	2023	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2024	2024
	2075	+
2025	2025
2026	2026	)))
2027	2027	)))
...	...	@@ -2052,21 +2052,13 @@
2052	2052
2053	2053	(((
2054	2054	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2055		-
2056	2056	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2057		-
2058	2058	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2059		-
2060	2060	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2061		-
2062	2062	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2063		-
2064	2064	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2065		-
2066	2066	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2067		-
2068	2068	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2069		-
2070	2070	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2071	2071	)))
2072	2072
...	...	@@ -2078,29 +2078,26 @@
2078	2078	[[image:1653360498588-932.png||height="485" width="726"]]
2079	2079
2080	2080
2081		-== 6.4 How to change the uplink interval? ==
2082	2082
	2125	+== 5.4 Can I see counting event in Serial? ==
2083	2083
2084		-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/]]
2085	2085
2086		-
2087		-== 6.5 Can I see counting event in Serial? ==
2088		-
2089		-
2090	2090	(((
2091	2091	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.
2092	2092
2093	2093
2094		-== 6.6 Can i use point to point communication for LT-22222-L? ==
2095	2095
	2133	+== 5.5 Can i use point to point communication for LT-22222-L? ==
2096	2096
2097		-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]].
2098	2098
	2136	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
	2137	+
	2138	+
2099	2099
2100	2100	)))
2101	2101
2102	2102	(((
2103		-== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2143	+== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2104	2104
2105	2105
2106	2106	If the device is not shut down, but directly powered off.
...	...	@@ -2112,9 +2112,10 @@
2112	2112	After restart, the status before power failure will be read from flash.
2113	2113
2114	2114
2115		-== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2116	2116
	2156	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2117	2117
	2158	+
2118	2118	LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2119	2119
2120	2120
...	...	@@ -2121,24 +2121,15 @@
2121	2121	[[image:image-20221006170630-1.png||height="610" width="945"]]
2122	2122
2123	2123
2124		-== 6.9 Can LT22222-L save RO state? ==
2125	2125
	2166	+= 6. Trouble Shooting =
2126	2126
2127		-Firmware version needs to be no less than 1.6.0.
2128		-
2129		-
2130		-== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2131		-
2132		-
2133		-It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2134		-
2135		-
2136		-= 7. Trouble Shooting =
	2168	+
2137	2137	)))
2138	2138
2139	2139	(((
2140	2140	(((
2141		-== 7.1 Downlink doesn't work, how to solve it? ==
	2173	+== 6.1 Downlink doesn't work, how to solve it? ==
2142	2142
2143	2143
2144	2144	)))
...	...	@@ -2151,8 +2151,9 @@
2151	2151	(((
2152	2152
2153	2153
2154		-== 7.2 Have trouble to upload image. ==
2155	2155
	2187	+== 6.2 Have trouble to upload image. ==
	2188	+
2156	2156
2157	2157	)))
2158	2158
...	...	@@ -2163,8 +2163,9 @@
2163	2163	(((
2164	2164
2165	2165
2166		-== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2167	2167
	2200	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2201	+
2168	2168
2169	2169	)))
2170	2170
...	...	@@ -2173,16 +2173,10 @@
2173	2173	)))
2174	2174
2175	2175
2176		-== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2177	2177
	2211	+= 7. Order Info =
2178	2178
2179		-The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2180		-Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2181	2181
2182		-
2183		-= 8. Order Info =
2184		-
2185		-
2186	2186	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2187	2187
2188	2188	(% style="color:#4f81bd" %)**XXX:**
...	...	@@ -2197,7 +2197,7 @@
2197	2197	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2198	2198	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2199	2199
2200		-= 9. Packing Info =
	2228	+= 8. Packing Info =
2201	2201
2202	2202
2203	2203	**Package Includes**:
...	...	@@ -2214,7 +2214,7 @@
2214	2214	* Package Size / pcs : 14.5 x 8 x 5 cm
2215	2215	* Weight / pcs : 170g
2216	2216
2217		-= 10. Support =
	2245	+= 9. Support =
2218	2218
2219	2219
2220	2220	* (((
...	...	@@ -2221,13 +2221,14 @@
2221	2221	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.
2222	2222	)))
2223	2223	* (((
2224		-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]]
	2252	+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]]
2225	2225
2226	2226
	2255	+
2227	2227
2228	2228	)))
2229	2229
2230		-= 11. Reference​​​​​ =
	2259	+= 10. Reference​​​​​ =
2231	2231
2232	2232
2233	2233	* 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]]

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