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

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1	1	(% style="text-align:center" %)
2	2	[[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3	3
4		-**LT-22222-L LoRa IO Controller User Manual **
5	5
	5	+1. Introduction
	6	+11. What is LT Series I/O Controller
6	6
7		-**Table of Contents:**
8	8
9		-{{toc/}}
10		-
11		-
12		-
13		-
14		-= 1.Introduction =
15		-
16		-== 1.1 What is LT Series I/O Controller ==
17		-
18		-(((
19	19	The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
20		-)))
21	21
22		-(((
	11	+
23	23	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.
24		-)))
25	25
26		-(((
	14	+
27	27	The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
28		-)))
29	29
30		-(((
31	31	The use environment includes:
32		-)))
33	33
34		-(((
35	35	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.
36		-)))
37	37
38		-(((
39	39	2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
40		-)))
41	41
42		-(((
43		-[[image:1653295757274-912.png]]
44		-)))
45	45
46		-== 1.2  Specifications ==
	24	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
47	47
	26	+
	27	+
	28	+
	29	+1.
	30	+11. Specifications
	31	+
48	48	**Hardware System:**
49	49
50	50	* STM32L072CZT6 MCU
51		-* SX1276/78 Wireless Chip
	35	+* SX1276/78 Wireless Chip
52	52	* Power Consumption:
53	53	** Idle: 4mA@12v
	38	+
	39	+*
54	54	** 20dB Transmit: 34mA@12v
55	55
	42	+
	43	+**Interface for Model: LT33222-L:**
	44	+
	45	+* 3 x Digital Input ( Detect Low signal , Max, 6V)
	46	+* 3 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	47	+* 2 x Relay Output (5A@250VAC / 30VDC)
	48	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	49	+* 2 x 0~~30V Analog Input (res:0.01v)
	50	+* Power Input 7~~ 24V DC.
	51	+*
	52	+
56	56	**Interface for Model: LT22222-L:**
57	57
58	58	* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
...	...	@@ -60,8 +60,9 @@
60	60	* 2 x Relay Output (5A@250VAC / 30VDC)
61	61	* 2 x 0~~20mA Analog Input (res:0.01mA)
62	62	* 2 x 0~~30V Analog Input (res:0.01v)
63		-* Power Input 7~~ 24V DC.
	60	+* Power Input 7~~ 24V DC.
64	64
	62	+
65	65	**LoRa Spec:**
66	66
67	67	* Frequency Range:
...	...	@@ -83,8 +83,9 @@
83	83	* Automatic RF Sense and CAD with ultra-fast AFC.
84	84	* Packet engine up to 256 bytes with CRC.
85	85
86		-== 1.3 Features ==
87	87
	85	+*
	86	+*1. Features
88	88	* LoRaWAN Class A & Class C protocol
89	89	* Optional Customized LoRa Protocol
90	90	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
...	...	@@ -93,8 +93,10 @@
93	93	* Firmware upgradable via program port
94	94	* Counting
95	95
96		-== 1.4  Applications ==
97	97
	96	+
	97	+*
	98	+*1. Applications
98	98	* Smart Buildings & Home Automation
99	99	* Logistics and Supply Chain Management
100	100	* Smart Metering
...	...	@@ -102,11 +102,26 @@
102	102	* Smart Cities
103	103	* Smart Factory
104	104
105		-== 1.5 Hardware Variants ==
106	106
107		-(% border="1" style="background-color:#f7faff; width:500px" %)
108		-|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
109		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
	107	+
	108	+
	109	+1.
	110	+11. Hardware Variants
	111	+
	112	+
	113	+|**Model**|**Photo**|**Description**
	114	+|**LT33222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg]]|(((
	115	+* 3 x Digital Input
	116	+* 3 x Digital Output
	117	+* 2 x Relay Output (5A@250VAC / 30VDC)
	118	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	119	+* 2 x 0~~30V Analog Input (res:0.01v)
	120	+* 1 x Counting Port
	121	+)))
	122	+
	123	+
	124	+|**Model**|**Photo**|**Description**
	125	+|**LT22222-L**|[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.jpg]]|(((
110	110	* 2 x Digital Input (Bi-direction)
111	111	* 2 x Digital Output
112	112	* 2 x Relay Output (5A@250VAC / 30VDC)
...	...	@@ -115,94 +115,138 @@
115	115	* 1 x Counting Port
116	116	)))
117	117
118		-= 2. Power ON Device =
119	119
	135	+
	136	+1.
	137	+11. Firmware Change log
	138	+
	139	+[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
	140	+
	141	+http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
	142	+
	143	+
	144	+**Change log:**
	145	+
	146	+[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog]]
	147	+
	148	+
	149	+
	150	+1. Power ON Device
	151	+
	152	+
120	120	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.
121	121
122		-(((
123	123	PWR will on when device is properly powered.
124		-)))
125	125
126		-[[image:1653297104069-180.png]]
	157	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
127	127
128		-= 3. Operation Mode =
129	129
130		-== 3.1 How it works? ==
131	131
132		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
133	133
	162	+
	163	+1. Operation Mode
	164	+11. How it works?
	165	+
	166	+The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on TX LED will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. TX LED will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
	167	+
	168	+
134	134	In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
135	135
136		-3.2 Example to join LoRaWAN network
137	137
138		-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.
	172	+1.
	173	+11. Example to join LoRaWAN network
139	139
140		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	175	+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.
141	141
	177	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
142	142
143		-(((
	179	+
144	144	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:
145		-)))
146	146
147		-(((
148	148	**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
149		-)))
150	150
151		-(((
152	152	Each LT is shipped with a sticker with the default device EUI as below:
153		-)))
154	154
155		-[[image:1653297924498-393.png]]
	186	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
156	156
	188	+
	189	+
	190	+
157	157	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
158	158
159	159	Add APP EUI in the application.
160	160
161		-[[image:1653297955910-247.png||height="321" width="716"]]
	195	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
162	162
163	163	Add APP KEY and DEV EUI
164	164
165		-[[image:1653298023685-319.png]]
	199	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
166	166
167		-(((
168	168	**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.
169		-)))
170	170
171		-[[image:1653298044601-602.png||height="405" width="709"]]
	203	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
172	172
173		-== 3.3 Uplink Payload ==
174	174
	206	+1.
	207	+11. Uplink Payload
	208	+
175	175	There are five working modes + one interrupt mode on LT for different type application:
176	176
177		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
178		-* **MOD2**: Double DI Counting + DO + RO
179		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
180		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
181		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
182		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	211	+* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
	212	+* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
	213	+* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
	214	+* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
	215	+* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	216	+* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
183	183
184		-=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
185	185
	219	+1.
	220	+11.
	221	+111. AT+MOD=1, 2ACI+2AVI
	222	+
186	186	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
187	187
188		-[[image:image-20220523174024-3.png]]
189	189
190		-(((
191		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
192		-)))
	226	+|Size(bytes)|2|2|2|2|1|1|1
	227	+|Value|(((
	228	+AVI1
193	193
194		-[[image:image-20220523174254-4.png]]
	230	+voltage
	231	+)))|(((
	232	+AVI2
195	195
	234	+voltage
	235	+)))|(((
	236	+ACI1
	237	+
	238	+Current
	239	+)))|(((
	240	+ACI2
	241	+
	242	+Current
	243	+)))|DIDORO*|(((
	244	+Reserve
	245	+
	246	+
	247	+)))|MOD
	248	+
	249	+
	250	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	251	+
	252	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	253	+|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	254	+
196	196	* RO is for relay. ROx=1 : close，ROx=0 always open.
197	197	* DI is for digital input. DIx=1: high or float, DIx=0: low.
198	198	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
199	199
200		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	259	+Note: DI3 and DO3 bit are not valid for LT-22222-L
201	201
202		-For example if payload is: [[image:image-20220523175847-2.png]]
203	203
204		-**The value for the interface is:  **
	262	+For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
205	205
	264	+The value for the interface is:
	265	+
206	206	AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
207	207
208	208	AVI2 channel voltage is 0x04AC/1000=1.196V
...	...	@@ -216,11 +216,18 @@
216	216	* [1] RO1 relay channel is close and the RO1 LED is ON.
217	217	* [0] RO2 relay channel is open and RO2 LED is OFF;
218	218
219		-**LT22222-L:**
	279	+LT33222-L:
220	220
	281	+* [1] DI3 channel is high input and DI3 LED is OFF;
	282	+* [0] DI2 channel is low input;
	283	+* [1] DI1 channel is high input and DI1 LED is OFF;
	284	+
	285	+LT22222-L:
	286	+
221	221	* [1] DI2 channel is high input and DI2 LED is ON;
222	222	* [0] DI1 channel is low input;
223	223
	290	+
224	224	* [0] DO3 channel output state
225	225	** DO3 is float in case no load between DO3 and V+.;
226	226	** DO3 is high in case there is load between DO3 and V+.
...	...	@@ -231,236 +231,291 @@
231	231	** DO1 is high in case there is load between DO1 and V+.
232	232	** DO1 LED is off in both case
233	233
234		-=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
235	235
	302	+
	303	+1.
	304	+11.
	305	+111. AT+MOD=2, (Double DI Counting)
	306	+
	307	+**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
	308	+
236	236	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237	237
	311	+
238	238	Total : 11 bytes payload
239	239
240		-[[image:image-20220523180452-3.png]]
	314	+|Size(bytes)|4|4|1|1|1
	315	+|Value|COUNT1|COUNT2 |DIDORO*|(((
	316	+Reserve
241	241
242		-(((
243		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
244		-)))
	318	+
	319	+)))|MOD
245	245
246		-[[image:image-20220523180506-4.png]]
247	247
	322	+**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	323	+
	324	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	325	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	326	+
248	248	* RO is for relay. ROx=1 : close，ROx=0 always open.
249	249	* FIRST: Indicate this is the first packet after join network.
250	250	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251	251
252		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	331	+Note: DO3 bit is not valid for LT-22222-L.
253	253
254		-**To use counting mode, please run:**
255	255
256		-(% class="box infomessage" %)
257		-(((
258		-**AT+MOD=2**
259		-)))
	334	+To use counting mode, please run:
260	260
261		-(% class="box infomessage" %)
262		-(((
263		-**ATZ**
264		-)))
	336	+AT+MOD=2
265	265
266		-(% style="color:#4f81bd" %)**AT Commands for counting:**
	338	+ATZ
267	267
	340	+
	341	+AT Commands for counting:
	342	+
	343	+**For LT33222-L:**
	344	+
	345	+AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
	346	+
	347	+AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
	348	+
	349	+AT+SETCNT=1,60   (Set COUNT1 value to 60)
	350	+
	351	+
268	268	**For LT22222-L:**
269	269
270		-(% class="box infomessage" %)
271		-(((
272		-**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273		-)))
	354	+AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
274	274
275		-(% class="box infomessage" %)
276		-(((
277		-**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278		-)))
	356	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
279	279
280		-(% class="box infomessage" %)
281		-(((
282		-**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283		-)))
	358	+AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
284	284
285		-(% class="box infomessage" %)
286		-(((
287		-**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288		-)))
	360	+AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
289	289
290		-(% class="box infomessage" %)
291		-(((
292		-**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293		-)))
294	294
295		-(% class="box infomessage" %)
296		-(((
297		-**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298		-)))
	363	+AT+SETCNT=1,60   (Set COUNT1 value to 60)
299	299
300		-=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
	365	+AT+SETCNT=2,60   (Set COUNT2 value to 60)
301	301
	367	+
	368	+**For both LT22222-L & LT33222-L**:
	369	+
	370	+AT+CLRCOUNT clear all countings
	371	+
	372	+AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
	373	+
	374	+
	375	+
	376	+1.
	377	+11.
	378	+111. AT+MOD=3, Single DI Counting + 2 x ACI
	379	+
	380	+**LT33222-L**: This mode the DI3 is used as a counting pin.
	381	+
302	302	**LT22222-L**: This mode the DI1 is used as a counting pin.
303	303
304		-[[image:image-20220523181246-5.png]]
305	305
306		-(((
307		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
308		-)))
	385	+|Size(bytes)|4|2|2|1|1|1
	386	+|Value|COUNT1|(((
	387	+ACI1
309	309
310		-[[image:image-20220523181301-6.png]]
	389	+Current
	390	+)))|(((
	391	+ACI2
311	311
	393	+Current
	394	+)))|DIDORO*|Reserve|MOD
	395	+
	396	+
	397	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	398	+
	399	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	400	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	401	+
312	312	* RO is for relay. ROx=1 : close，ROx=0 always open.
313	313	* FIRST: Indicate this is the first packet after join network.
314	314	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315	315
316		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	406	+Note: DO3 is not valid for LT-22222-L.
317	317
318		-**To use counting mode, please run:**
319	319
320		-(% class="box infomessage" %)
321		-(((
322		-**AT+MOD=3**
323		-)))
	409	+To use counting mode, please run:
324	324
325		-(% class="box infomessage" %)
326		-(((
327		-**ATZ**
328		-)))
	411	+AT+MOD=3
329	329
	413	+ATZ
	414	+
	415	+
330	330	Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
331	331
332		-=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333	333
	419	+
	420	+
	421	+1.
	422	+11.
	423	+111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
	424	+
	425	+**LT33222-L**: This mode the DI3 is used as a counting pin.
	426	+
334	334	**LT22222-L**: This mode the DI1 is used as a counting pin.
335	335
	429	+
336	336	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.
337	337
338		-[[image:image-20220523181903-8.png]]
339	339
340		-(((
341		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
342		-)))
	433	+|Size(bytes)|4|4|1|1|1
	434	+|Value|COUNT1|AVI1 Counting|DIDORO*|(((
	435	+Reserve
343	343
344		-[[image:image-20220523181727-7.png]]
	437	+
	438	+)))|MOD
345	345
	440	+
	441	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	442	+
	443	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	444	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	445	+
346	346	* RO is for relay. ROx=1 : close，ROx=0 always open.
347	347	* FIRST: Indicate this is the first packet after join network.
348	348	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349	349
350		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	450	+Note: DO3 is not valid for LT-22222-L.
351	351
352		-**To use this mode, please run:**
353	353
354		-(% class="box infomessage" %)
355		-(((
356		-**AT+MOD=4**
357		-)))
	453	+To use this mode, please run:
358	358
359		-(% class="box infomessage" %)
360		-(((
361		-**ATZ**
362		-)))
	455	+AT+MOD=4
363	363
	457	+ATZ
364	364
	459	+
	460	+
365	365	Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
366	366
367		-**Plus below command for AVI1 Counting:**
	463	+Plus below command for AVI1 Counting:
368	368
369		-(% class="box infomessage" %)
370		-(((
371		-**AT+SETCNT=3,60   (set AVI Count to 60)**
372		-)))
	465	+AT+SETCNT=3,60   (set AVI Count to 60)
373	373
374		-(% class="box infomessage" %)
375		-(((
376		-**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377		-)))
	467	+AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
378	378
379		-(% class="box infomessage" %)
380		-(((
381		-**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382		-)))
	469	+AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
383	383
384		-(% class="box infomessage" %)
385		-(((
386		-**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387		-)))
	471	+AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
388	388
389		-=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390	390
	474	+
	475	+1.
	476	+11.
	477	+111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
	478	+
	479	+
	480	+**LT33222-L**: This mode the DI3 is used as a counting pin.
	481	+
391	391	**LT22222-L**: This mode the DI1 is used as a counting pin.
392	392
393		-[[image:image-20220523182334-9.png]]
394	394
395		-(((
396		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397		-)))
	485	+|Size(bytes)|2|2|2|2|1|1|1
	486	+|Value|(((
	487	+AVI1
398	398
	489	+voltage
	490	+)))|(((
	491	+AVI2
	492	+
	493	+voltage
	494	+)))|(((
	495	+ACI1
	496	+
	497	+Current
	498	+)))|COUNT1|DIDORO*|(((
	499	+Reserve
	500	+
	501	+
	502	+)))|MOD
	503	+
	504	+
	505	+
	506	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	507	+
	508	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	509	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	510	+
399	399	* RO is for relay. ROx=1 : close，ROx=0 always open.
400	400	* FIRST: Indicate this is the first packet after join network.
401	401	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
402	402
403		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	515	+Note: DO3 is not valid for LT-22222-L.
404	404
405		-**To use this mode, please run:**
406	406
407		-(% class="box infomessage" %)
408		-(((
409		-**AT+MOD=5**
410		-)))
	518	+To use this mode, please run:
411	411
412		-(% class="box infomessage" %)
413		-(((
414		-**ATZ**
415		-)))
	520	+AT+MOD=5
416	416
	522	+ATZ
	523	+
	524	+
417	417	Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
418	418
419		-=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420	420
421		-(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
422	422
	529	+
	530	+
	531	+1.
	532	+11.
	533	+111. AT+ADDMOD=6. (Trigger Mode, Optional)
	534	+
	535	+
	536	+**This mode is an optional mode for trigger purpose. It can run together with other mode.**
	537	+
423	423	For example, if user has configured below commands:
424	424
425		-* **AT+MOD=1 ** **~-~->** The normal working mode
426		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	540	+* AT+MOD=1   à The normal working mode
	541	+* AT+ADDMOD6=1    à Enable trigger
427	427
	543	+
428	428	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
429	429
430		-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
431		-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.**
	546	+1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
	547	+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 **CONFIRMED data type.**
432	432
	549	+
433	433	**AT Command to set Trigger Condition**:
434	434
435		-(% style="color:#4f81bd" %)**Trigger base on voltage**:
	552	+**Trigger base on voltage**:
436	436
437	437	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
438	438
439		-**Example:**
	556	+Example:
440	440
441	441	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)
442	442
443	443	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
444	444
445		-(% style="color:#4f81bd" %)**Trigger base on current**:
446	446
	563	+**Trigger base on current**:
	564	+
447	447	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
448	448
449		-**Example:**
	567	+Example:
450	450
451	451	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
452	452
453		-(% style="color:#4f81bd" %)**Trigger base on DI status**:
454	454
	572	+**Trigger base on DI status**:
	573	+
455	455	DI status trigger Flag.
456	456
457	457	Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
458	458
459		-**Example:**
	578	+Example:
460	460
461	461	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
462	462
463	463
	583	+
	584	+
	585	+
464	464	**Downlink Command to set Trigger Condition**
465	465
466	466	Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
...	...	@@ -479,8 +479,9 @@
479	479
480	480	Yy4 yy4: AC2 or AV2 high limit.
481	481
482		-**Example1**: AA 00 13 88 00 00 00 00 00 00
483	483
	605	+Example1: AA 00 13 88 00 00 00 00 00 00
	606	+
484	484	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485	485
486	486	Example2: AA 02 01 00
...	...	@@ -487,41 +487,132 @@
487	487
488	488	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489	489
490		-(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
491	491
	614	+
	615	+
	616	+**Trigger Settings Payload Explanation:**
	617	+
492	492	MOD6 Payload : total 11 bytes payload
493	493
494		-[[image:image-20220524085923-1.png]]
	620	+|Size(bytes)|1|1|1|6|1|1
	621	+|Value|(((
	622	+TRI_A
495	495
496		-(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
	624	+FLAG
	625	+)))|(((
	626	+TRI_A
497	497
498		-[[image:image-20220524090106-2.png]]
	628	+Status
	629	+)))|(((
	630	+TRI_DI
499	499
	632	+FLAG+STA
	633	+)))|Reserve|Enable/Disable MOD6|(((
	634	+MOD
	635	+
	636	+(6)
	637	+)))
	638	+
	639	+
	640	+
	641	+**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
	642	+
	643	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	644	+|(((
	645	+AV1_
	646	+
	647	+LOW
	648	+)))|(((
	649	+AV1_
	650	+
	651	+HIGH
	652	+)))|(((
	653	+AV2_
	654	+
	655	+LOW
	656	+)))|(((
	657	+AV2_
	658	+
	659	+HIGH
	660	+)))|(((
	661	+AC1_
	662	+
	663	+LOW
	664	+)))|(((
	665	+AC1_
	666	+
	667	+HIGH
	668	+)))|(((
	669	+AC2_
	670	+
	671	+LOW
	672	+)))|(((
	673	+AC2_
	674	+
	675	+HIGH
	676	+)))
	677	+
500	500	* Each bits shows if the corresponding trigger has been configured.
501	501
502		-**Example:**
	680	+Example:
503	503
504	504	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
505	505
506	506
507		-(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
	685	+**TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
508	508
509		-[[image:image-20220524090249-3.png]]
	687	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	688	+|(((
	689	+AV1_
510	510
	691	+LOW
	692	+)))|(((
	693	+AV1_
	694	+
	695	+HIGH
	696	+)))|(((
	697	+AV2_
	698	+
	699	+LOW
	700	+)))|(((
	701	+AV2_
	702	+
	703	+HIGH
	704	+)))|(((
	705	+AC1_
	706	+
	707	+LOW
	708	+)))|(((
	709	+AC1_
	710	+
	711	+HIGH
	712	+)))|(((
	713	+AC2_
	714	+
	715	+LOW
	716	+)))|(((
	717	+AC2_
	718	+
	719	+HIGH
	720	+)))
	721	+
511	511	* Each bits shows which status has been trigger on this uplink.
512	512
513		-**Example:**
	724	+Example:
514	514
515	515	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
516	516
517	517
518		-(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
519	519
520		-[[image:image-20220524090456-4.png]]
521	521
	731	+**TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
	732	+
	733	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	734	+|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
	735	+
522	522	* Each bits shows which status has been trigger on this uplink.
523	523
524		-**Example:**
	738	+Example:
525	525
526	526	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
527	527
...	...	@@ -528,117 +528,121 @@
528	528	00000101: Means both DI1 and DI2 trigger are enabled.
529	529
530	530
531		-(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
	745	+**Enable/Disable MOD6 **: 0x01: MOD6 is enable. 0x00: MOD6 is disable.
532	532
	747	+
533	533	Downlink command to poll MOD6 status:
534	534
535		-**AB 06**
	750	+AB 06
536	536
537	537	When device got this command, it will send the MOD6 payload.
538	538
539		-=== 3.3.7 Payload Decoder ===
540	540
541		-(((
	755	+1.
	756	+11.
	757	+111. Payload Decoder
	758	+
	759	+
542	542	**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/]]
543		-)))
544	544
545		-== 3.4 ​Configure LT via AT or Downlink ==
546	546
547		-User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
548	548
549		-(((
	764	+
	765	+
	766	+
	767	+
	768	+1.
	769	+11. ​Configure LT via AT or Downlink
	770	+
	771	+User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
	772	+
550	550	There are two kinds of Commands:
551		-)))
552	552
553		-* (% 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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
	775	+* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
554	554
555		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
	777	+* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
556	556
557		-=== 3.4.1 Common Commands ===
558	558
559		-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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
	780	+1.
	781	+11.
	782	+111. Common Commands:
560	560
561		-=== 3.4.2 Sensor related commands ===
562	562
563		-==== 3.4.2.1 Set Transmit Interval ====
	785	+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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
564	564
	787	+
	788	+1.
	789	+11.
	790	+111. Sensor related commands:
	791	+
	792	+
	793	+==== Set Transmit Interval ====
	794	+
565	565	Set device uplink interval.
566	566
567	567	* AT Command:
568	568
569		-(% class="box infomessage" %)
570		-(((
571		-**AT+TDC=N **
572		-)))
	799	+AT+TDC=N
573	573
574		-**Example: **AT+TDC=30000. Means set interval to 30 seconds
	801	+Example: AT+TDC=30000. Means set interval to 30 seconds
575	575
	803	+
576	576	* Downlink Payload (prefix 0x01):
577	577
578		-(% class="box infomessage" %)
579		-(((
580		-**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
581		-)))
	806	+0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
582	582
583		-==== 3.4.2.2 Set Work Mode (AT+MOD) ====
584	584
	809	+==== Set Work Mode (AT+MOD) ====
	810	+
585	585	Set work mode.
586	586
587	587	* AT Command:
588	588
589		-(% class="box infomessage" %)
590		-(((
591		-**AT+MOD=N  **
592		-)))
	815	+AT+MOD=N
593	593
594		-**Example**: AT+MOD=2. Set work mode to Double DI counting mode
	817	+Example: AT+MOD=2. Set work mode to Double DI counting mode
595	595
	819	+
596	596	* Downlink Payload (prefix 0x0A):
597	597
598		-(% class="box infomessage" %)
599		-(((
600		-**0x0A aa     ~/~/ Same as AT+MOD=aa**
601		-)))
	822	+0x0A aa     ~/~/ Same as AT+MOD=aa
602	602
603		-==== 3.4.2.3 Poll an uplink ====
604	604
	825	+
	826	+==== Poll an uplink ====
	827	+
605	605	* AT Command:
606	606
607	607	There is no AT Command to poll uplink
608	608
	832	+
609	609	* Downlink Payload (prefix 0x08):
610	610
611		-(% class="box infomessage" %)
612		-(((
613		-**0x08 FF     ~/~/ Poll an uplink,**
614		-)))
	835	+0x08 FF     ~/~/ Poll an uplink,
615	615
616		-**Example**: 0x08FF, ask device to send an Uplink
	837	+Example: 0x08FF, ask device to send an Uplink
617	617
618		-==== 3.4.2.4 Enable Trigger Mode ====
619	619
620		-Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
	840	+==== Enable Trigger Mode ====
621	621
	842	+Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
	843	+
622	622	* AT Command:
623	623
624		-(% class="box infomessage" %)
625		-(((
626		-**AT+ADDMOD6=1 or 0**
627		-)))
	846	+AT+ADDMOD6=1 or 0
628	628
629	629	1: Enable Trigger Mode
630	630
631	631	0: Disable Trigger Mode
632	632
	852	+
633	633	* Downlink Payload (prefix 0x0A 06):
634	634
635		-(% class="box infomessage" %)
636		-(((
637		-**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
638		-)))
	855	+0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
639	639
640		-==== 3.4.2.5 Poll trigger settings ====
641	641
	858	+==== Poll trigger settings ====
	859	+
642	642	Poll trigger settings,
643	643
644	644	* AT Command:
...	...	@@ -645,213 +645,191 @@
645	645
646	646	There is no AT Command for this feature.
647	647
	866	+
648	648	* Downlink Payload (prefix 0x AB 06):
649	649
650		-(% class="box infomessage" %)
651		-(((
652		-**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
653		-)))
	869	+0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
654	654
655		-==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
656	656
	872	+==== Enable / Disable DI1/DI2/DI3 as trigger ====
	873	+
657	657	Enable Disable DI1/DI2/DI2 as trigger,
658	658
659	659	* AT Command:
660	660
661		-(% class="box infomessage" %)
662		-(((
663		-**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
664		-)))
	878	+Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
665	665
666		-**Example:**
	880	+Example:
667	667
668	668	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
669	669
	884	+
	885	+
670	670	* Downlink Payload (prefix 0xAA 02):
671	671
672		-(% class="box infomessage" %)
673		-(((
674		-**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
675		-)))
	888	+0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
676	676
677		-==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
678	678
	891	+
	892	+==== Trigger1 – Set DI1 or DI3 as trigger ====
	893	+
679	679	Set DI1 or DI3(for LT-33222-L) trigger.
680	680
681	681	* AT Command:
682	682
683		-(% class="box infomessage" %)
684		-(((
685		-**AT+TRIG1=a,b**
686		-)))
	898	+AT+TRIG1=a,b
687	687
688	688	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
689	689
690	690	b : delay timing.
691	691
692		-**Example:**
	904	+Example:
693	693
694	694	AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
695	695
	908	+
696	696	* Downlink Payload (prefix 0x09 01 ):
697	697
698		-(% class="box infomessage" %)
699		-(((
700		-**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
701		-)))
	911	+0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
702	702
703		-==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
704	704
	914	+==== Trigger2 – Set DI2 as trigger ====
	915	+
705	705	Set DI2 trigger.
706	706
707	707	* AT Command:
708	708
709		-(% class="box infomessage" %)
710		-(((
711		-**AT+TRIG2=a,b**
712		-)))
	920	+AT+TRIG2=a,b
713	713
714	714	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
715	715
716	716	b : delay timing.
717	717
718		-**Example:**
	926	+Example:
719	719
720	720	AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
721	721
	930	+
722	722	* Downlink Payload (prefix 0x09 02 ):
723	723
724		-(% class="box infomessage" %)
725		-(((
726		-**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
727		-)))
	933	+0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
728	728
729		-==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
730	730
731		-Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
	936	+==== Trigger – Set AC (current) as trigger ====
732	732
	938	+Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
	939	+
733	733	* AT Command:
734	734
735		-(% class="box infomessage" %)
736		-(((
737		-**AT+ACLIM. **
738		-)))
	942	+AT+ACLIM. See [[trigger mode>>path:#MOD6]]
739	739
	944	+
740	740	* Downlink Payload (prefix 0xAA 01 ):
741	741
742		-(% class="box infomessage" %)
743		-(((
744		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
745		-)))
	947	+0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
746	746
747		-==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
748	748
749		-Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
	950	+==== Trigger – Set AV (voltage) as trigger ====
750	750
	952	+Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
	953	+
751	751	* AT Command:
752	752
753		-(% class="box infomessage" %)
754		-(((
755		-**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
756		-)))
	956	+AT+AVLIM. See [[trigger mode>>path:#MOD6]]
757	757
	958	+
758	758	* Downlink Payload (prefix 0xAA 00 ):
759	759
760		-(% class="box infomessage" %)
761		-(((
762		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
763		-)))
	961	+0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
764	764
765		-==== 3.4.2.11 Trigger – Set minimum interval ====
	963	+==== Trigger – Set minimum interval ====
766	766
767	767	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
768	768
769	769	* AT Command:
770	770
771		-(% class="box infomessage" %)
772		-(((
773		-**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
774		-)))
	969	+AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
775	775
	971	+
776	776	* Downlink Payload (prefix 0xAC ):
777	777
778		-(% class="box infomessage" %)
779		-(((
780		-**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
781		-)))
	974	+0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
782	782
783		-==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
784	784
	977	+==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
	978	+
785	785	* AT Command:
786	786
787	787	There is no AT Command to control Digital Output
788	788
	983	+
789	789	* Downlink Payload (prefix 0x02):
790	790
791		-(% class="box infomessage" %)
792		-(((
793		-**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
794		-)))
	986	+0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
795	795
796		-(((
797	797	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
798		-)))
799	799
800		-(((
801	801	01: Low,  00: High ,  11: No action
802		-)))
803	803
804		-[[image:image-20220524092754-5.png]]
	992	+|Downlink Code|DO1|DO2|DO3
	993	+|02  01  00  11|Low|High|No Action
	994	+|02  00  11  01|High|No Action|Low
	995	+|02  11  01  00|No Action|Low|High
805	805
806		-(((
807		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
808		-)))
	997	+Note: For LT-22222-L, there is no DO3, the last byte can use any value.
809	809
810		-(((
811		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
812		-)))
	999	+Device will upload a packet if downlink code executes successfully.
813	813
814	814
815		-==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
816	816
	1003	+
	1004	+
	1005	+==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
	1006	+
817	817	* AT Command:
818	818
819	819	There is no AT Command to control Digital Output
820	820
	1011	+
821	821	* Downlink Payload (prefix 0xA9):
822	822
823		-(% class="box infomessage" %)
824		-(((
825		-**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826		-)))
	1014	+0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
827	827
828	828	This is to control the digital output time of DO pin. Include four bytes:
829	829
830		-(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
	1018	+**First Byte:** Type code (0xA9)
831	831
832		-(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
	1020	+**Second Byte**: Inverter Mode
833	833
834	834	01: DO pins will change back to original state after timeout.
835	835
836	836	00: DO pins will change to an inverter state after timeout
837	837
838		-(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
839	839
840		-[[image:image-20220524093238-6.png]]
	1027	+**Third Byte**: Control Method and Ports status:
841	841
842		-(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
	1029	+|Second Byte|Status
	1030	+|0x01|DO1 set to low
	1031	+|0x00|DO1 set to high
	1032	+|0x11|DO1 NO Action
843	843
844		-[[image:image-20220524093328-7.png]]
845	845
846		-(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
	1035	+**Fourth Byte**: Control Method and Ports status:
847	847
848		-(% border="1" style="background-color:#f7faff" %)
849	849	|Second Byte|Status
	1038	+|0x01|DO2 set to low
	1039	+|0x00|DO2 set to high
	1040	+|0x11|DO2 NO Action
	1041	+
	1042	+
	1043	+**Fifth Byte**: Control Method and Ports status:
	1044	+
	1045	+|Second Byte|Status
850	850	|0x01|DO3 set to low
851	851	|0x00|DO3 set to high
852	852	|0x11|DO3 NO Action
853	853
854		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1050	+**Sixth and Seventh Byte**:
855	855
856	856	Latching time. Unit: ms
857	857
...	...	@@ -898,7 +898,6 @@
898	898
899	899	01: Close ,  00: Open , 11: No action
900	900
901		-(% border="1" style="background-color:#f7faff" %)
902	902	|Downlink Code|RO1|RO2
903	903	|03  00  11|Open|No Action
904	904	|03  01  11|Close|No Action
...	...	@@ -936,7 +936,6 @@
936	936
937	937	**Third Byte(bb)**: Control Method and Ports status:
938	938
939		-(% border="1" style="background-color:#f7faff" %)
940	940	|Value|Status
941	941	|0x11|RO1 and RO2 to NO
942	942	|0x10|RO2 to NO, RO1 to NC
...	...	@@ -947,6 +947,7 @@
947	947	|0x02|RO1 to NC, RO2 No Action
948	948	|0x12|RO1 to NO, RO2 No Action
949	949
	1144	+
950	950	**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
951	951
952	952	Device will upload a packet if downlink code executes successfully.
...	...	@@ -1051,6 +1051,7 @@
1051	1051	1.
1052	1052	11. Integrate with Mydevice
1053	1053
	1249	+
1054	1054	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:
1055	1055
1056	1056
...	...	@@ -1095,7 +1095,7 @@
1095	1095	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1096	1096
1097	1097
1098		-1.
	1294	+1.
1099	1099	11. Interface Detail
1100	1100	111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1101	1101
...	...	@@ -1105,7 +1105,7 @@
1105	1105
1106	1106
1107	1107
1108		-1.
	1304	+1.
1109	1109	11.
1110	1110	111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1111	1111
...	...	@@ -1148,7 +1148,7 @@
1148	1148
1149	1149	**Example3**: Connect to a 220v high active sensor.公司测试一下
1150	1150
1151		-Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1347	+Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1152	1152
1153	1153	* Connect sensor’s output to DI1+ with a serial 50K resistor
1154	1154	* Connect sensor’s GND DI1-.
...	...	@@ -1171,7 +1171,7 @@
1171	1171
1172	1172
1173	1173
1174		-1.
	1370	+1.
1175	1175	11.
1176	1176	111. Analog Input Interface
1177	1177
...	...	@@ -1204,7 +1204,7 @@
1204	1204
1205	1205
1206	1206
1207		-1.
	1403	+1.
1208	1208	11.
1209	1209	111. Relay Output
1210	1210
...	...	@@ -1219,10 +1219,10 @@
1219	1219
1220	1220
1221	1221
1222		-1.
	1418	+1.
1223	1223	11. LEDs Indicators
1224	1224
1225		-(% border="1" style="background-color:#f7faff" %)
	1421	+
1226	1226	|**LEDs**|**Feature**
1227	1227	|**PWR**|Always on if there is power
1228	1228	|**SYS**|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.
...	...	@@ -1256,6 +1256,9 @@
1256	1256	|**RO1**|
1257	1257	|**RO2**|
1258	1258
	1455	+
	1456	+
	1457	+
1259	1259	1. Use AT Command
1260	1260	11. Access AT Command
1261	1261
...	...	@@ -1428,10 +1428,11 @@
1428	1428	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1429	1429
1430	1430
1431		-1.
	1630	+1.
1432	1432	11.
1433	1433	111. Change to Class A
1434	1434
	1634	+
1435	1435	If sensor JOINED
1436	1436
1437	1437	AT+CLASS=A
...	...	@@ -1444,6 +1444,7 @@
1444	1444
1445	1445	1. FAQ
1446	1446
	1647	+
1447	1447	1.
1448	1448	11. How to upgrade the image?
1449	1449
...	...	@@ -1453,6 +1453,7 @@
1453	1453	* For bug fix
1454	1454	* Change LoRaWAN bands.
1455	1455
	1657	+
1456	1456	Below shows the hardware connection for how to upload an image to the LT:
1457	1457
1458	1458	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
...	...	@@ -1497,7 +1497,7 @@
1497	1497	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1498	1498
1499	1499
1500		-1.
	1702	+1.
1501	1501	11. How to change the LoRa Frequency Bands/Region?
1502	1502
1503	1503	User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
...	...	@@ -1546,7 +1546,7 @@
1546	1546
1547	1547
1548	1548
1549		-1.
	1751	+1.
1550	1550	11. Can I see counting event in Serial?
1551	1551
1552	1552	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.
...	...	@@ -1582,6 +1582,7 @@
1582	1582
1583	1583	1. Order Info
1584	1584
	1787	+
1585	1585	**For LT-33222-L-XXX or LT-22222-L-XXX:**
1586	1586
1587	1587	**XXX:**
...	...	@@ -1596,6 +1596,7 @@
1596	1596	* **IN865**: LT with frequency bands IN865
1597	1597	* **CN779**: LT with frequency bands CN779
1598	1598
	1802	+
1599	1599	1. Packing Info
1600	1600
1601	1601	**Package Includes**:
...	...	@@ -1605,6 +1605,7 @@
1605	1605	* Bracket for controller x1
1606	1606	* Program cable x 1
1607	1607
	1812	+
1608	1608	**Dimension and weight**:
1609	1609
1610	1610	* Device Size: 13.5 x 7 x 3 cm
...	...	@@ -1612,6 +1612,7 @@
1612	1612	* Package Size / pcs : 14.5 x 8 x 5 cm
1613	1613	* Weight / pcs : 170g
1614	1614
	1820	+
1615	1615	1. Support
1616	1616
1617	1617	* 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.

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