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

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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.Xiaoling
	1	+XWiki.pradeeka

Content

...	...	@@ -3,6 +3,10 @@
3	3
4	4
5	5
	6	+
	7	+
	8	+
	9	+
6	6	**Table of Contents:**
7	7
8	8	{{toc/}}
...	...	@@ -15,36 +15,30 @@
15	15
16	16	= 1.Introduction =
17	17
18		-== 1.1 What is LT Series I/O Controller ==
	22	+== 1.1 What is the LT-22222-L I/O Controller? ==
19	19
20	20	(((
21		-
22		-
23	23	(((
24		-The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25		-)))
26		-)))
	26	+The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27	27
28		-(((
29		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
	28	+The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
30	30	)))
31		-
32		-(((
33		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34	34	)))
35	35
36	36	(((
37		-The use environment includes:
	33	+With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38	38	)))
39	39
40		-(((
41		-1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42		-)))
	36	+> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43	43
44	44	(((
45		-2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	39	+You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46	46
47		-
	41	+* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
	42	+* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
	43	+* Setup your own private LoRaWAN network.
	44	+
	45	+> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48	48	)))
49	49
50	50	(((
...	...	@@ -53,128 +53,49 @@
53	53
54	54	)))
55	55
56		-== 1.2  Specifications ==
	54	+== 1.2 Specifications ==
57	57
58		-(((
59		-
60		-
61	61	(% style="color:#037691" %)**Hardware System:**
62		-)))
63	63
64		-* (((
65		-STM32L072xxxx MCU
66		-)))
67		-* (((
68		-SX1276/78 Wireless Chip
69		-)))
70		-* (((
71		-(((
72		-Power Consumption:
73		-)))
	58	+* STM32L072xxxx MCU
	59	+* SX1276/78 Wireless Chip
	60	+* Power Consumption:
	61	+** Idle: 4mA@12v
	62	+** 20dB Transmit: 34mA@12v
	63	+* Operating Temperature: -40 ~~ 85 Degree, No Dew
74	74
75		-* (((
76		-Idle: 4mA@12v
77		-)))
78		-* (((
79		-20dB Transmit: 34mA@12v
80		-)))
81		-)))
82		-
83		-(((
84		-
85		-
86	86	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
87		-)))
88	88
89		-* (((
90		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91		-)))
92		-* (((
93		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94		-)))
95		-* (((
96		-2 x Relay Output (5A@250VAC / 30VDC)
97		-)))
98		-* (((
99		-2 x 0~~20mA Analog Input (res:0.01mA)
100		-)))
101		-* (((
102		-2 x 0~~30V Analog Input (res:0.01v)
103		-)))
104		-* (((
105		-Power Input 7~~ 24V DC.
106		-)))
	67	+* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	68	+* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	69	+* 2 x Relay Output (5A@250VAC / 30VDC)
	70	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	71	+* 2 x 0~~30V Analog Input (res:0.01v)
	72	+* Power Input 7~~ 24V DC.
107	107
108		-(((
109		-
110		-
111	111	(% style="color:#037691" %)**LoRa Spec:**
112		-)))
113	113
114		-* (((
115		-(((
116		-Frequency Range:
117		-)))
	76	+* Frequency Range:
	77	+** Band 1 (HF): 862 ~~ 1020 Mhz
	78	+** Band 2 (LF): 410 ~~ 528 Mhz
	79	+* 168 dB maximum link budget.
	80	+* +20 dBm - 100 mW constant RF output vs.
	81	+* +14 dBm high efficiency PA.
	82	+* Programmable bit rate up to 300 kbps.
	83	+* High sensitivity: down to -148 dBm.
	84	+* Bullet-proof front end: IIP3 = -12.5 dBm.
	85	+* Excellent blocking immunity.
	86	+* Low RX current of 10.3 mA, 200 nA register retention.
	87	+* Fully integrated synthesizer with a resolution of 61 Hz.
	88	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	89	+* Built-in bit synchronizer for clock recovery.
	90	+* Preamble detection.
	91	+* 127 dB Dynamic Range RSSI.
	92	+* Automatic RF Sense and CAD with ultra-fast AFC.
	93	+* Packet engine up to 256 bytes with CRC.
118	118
119		-* (((
120		-Band 1 (HF): 862 ~~ 1020 Mhz
121		-)))
122		-* (((
123		-Band 2 (LF): 410 ~~ 528 Mhz
124		-)))
125		-)))
126		-* (((
127		-168 dB maximum link budget.
128		-)))
129		-* (((
130		-+20 dBm - 100 mW constant RF output vs.
131		-)))
132		-* (((
133		-+14 dBm high efficiency PA.
134		-)))
135		-* (((
136		-Programmable bit rate up to 300 kbps.
137		-)))
138		-* (((
139		-High sensitivity: down to -148 dBm.
140		-)))
141		-* (((
142		-Bullet-proof front end: IIP3 = -12.5 dBm.
143		-)))
144		-* (((
145		-Excellent blocking immunity.
146		-)))
147		-* (((
148		-Low RX current of 10.3 mA, 200 nA register retention.
149		-)))
150		-* (((
151		-Fully integrated synthesizer with a resolution of 61 Hz.
152		-)))
153		-* (((
154		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155		-)))
156		-* (((
157		-Built-in bit synchronizer for clock recovery.
158		-)))
159		-* (((
160		-Preamble detection.
161		-)))
162		-* (((
163		-127 dB Dynamic Range RSSI.
164		-)))
165		-* (((
166		-Automatic RF Sense and CAD with ultra-fast AFC.
167		-)))
168		-* (((
169		-Packet engine up to 256 bytes with CRC.
170		-
171		-
172		-
173		-)))
174		-
175	175	== 1.3 Features ==
176	176
177		-
178	178	* LoRaWAN Class A & Class C protocol
179	179	* Optional Customized LoRa Protocol
180	180	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
...	...	@@ -183,11 +183,8 @@
183	183	* Firmware upgradable via program port
184	184	* Counting
185	185
	105	+== 1.4 Applications ==
186	186
187		-
188		-== 1.4  Applications ==
189		-
190		-
191	191	* Smart Buildings & Home Automation
192	192	* Logistics and Supply Chain Management
193	193	* Smart Metering
...	...	@@ -195,14 +195,15 @@
195	195	* Smart Cities
196	196	* Smart Factory
197	197
198		-
199		-
200	200	== 1.5 Hardware Variants ==
201	201
202	202
203		-(% border="1" style="background-color:#f7faff; width:500px" %)
204		-|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
205		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
	117	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
	118	+|(% 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**
	119	+|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
	120	+(% style="text-align:center" %)
	121	+[[image:image-20230424115112-1.png||height="106" width="58"]]
	122	+)))|(% style="width:334px" %)(((
206	206	* 2 x Digital Input (Bi-direction)
207	207	* 2 x Digital Output
208	208	* 2 x Relay Output (5A@250VAC / 30VDC)
...	...	@@ -211,43 +211,75 @@
211	211	* 1 x Counting Port
212	212	)))
213	213
	131	+= 2. Assembling the Device =
214	214
	133	+== 2.1 What is included in the package? ==
215	215
216		-= 2. Power ON Device =
	135	+The package includes the following items:
217	217
	137	+* 1 x LT-22222-L I/O Controller
	138	+* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
	139	+* 1 x bracket for wall mounting
	140	+* 1 x programming cable
218	218
219		-(((
220		-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.
221		-)))
	142	+Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
222	222
223		-(((
224		-PWR will on when device is properly powered.
	144	+== 2.2 Terminals ==
225	225
226		-
227		-)))
	146	+Upper screw terminal block (from left to right):
228	228
	148	+(% style="width:634px" %)
	149	+|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
	150	+|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
	151	+|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
	152	+|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
	153	+|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
	154	+|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
	155	+|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
	156	+
	157	+Lower screw terminal block (from left to right):
	158	+
	159	+(% style="width:633px" %)
	160	+|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
	161	+|(% style="width:296px" %)RO1-2|(% style="width:334px" %)
	162	+|(% style="width:296px" %)RO1-1|(% style="width:334px" %)
	163	+|(% style="width:296px" %)RO2-2|(% style="width:334px" %)
	164	+|(% style="width:296px" %)RO2-1|(% style="width:334px" %)
	165	+|(% style="width:296px" %)DI2+|(% style="width:334px" %)
	166	+|(% style="width:296px" %)DI2-|(% style="width:334px" %)
	167	+|(% style="width:296px" %)DI1+|(% style="width:334px" %)
	168	+|(% style="width:296px" %)DI1-|(% style="width:334px" %)
	169	+|(% style="width:296px" %)DO2|(% style="width:334px" %)
	170	+|(% style="width:296px" %)DO1|(% style="width:334px" %)
	171	+
	172	+== 2.3 Powering ==
	173	+
	174	+(% style="line-height:1.38" %)
	175	+(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The LT-22222-L I/O Controller can be powered by a 7–24V DC power source.(%%) Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The power indicator (PWR) LED will turn on when the device is properly powered.
	176	+
	177	+
229	229	[[image:1653297104069-180.png]]
230	230
231	231
232	232	= 3. Operation Mode =
233	233
234		-== 3.1 How it works? ==
	183	+== 3.1 How does it work? ==
235	235
236		-
237	237	(((
238		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
	186	+The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
	187	+
	188	+For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
239	239	)))
240	240
241	241	(((
242		-In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	192	+In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
243	243	)))
244	244
245	245
246		-== 3.2 Example to join LoRaWAN network ==
	196	+== 3.2 Joining the LoRaWAN network server ==
247	247
248		-
249	249	(((
250		-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.
	199	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
251	251
252	252
253	253	)))
...	...	@@ -269,7 +269,7 @@
269	269	Each LT is shipped with a sticker with the default device EUI as below:
270	270	)))
271	271
272		-[[image:1653297924498-393.png]]
	221	+[[image:image-20230425173427-2.png||height="246" width="530"]]
273	273
274	274
275	275	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
...	...	@@ -284,7 +284,6 @@
284	284	[[image:1653298023685-319.png]]
285	285
286	286
287		-
288	288	(((
289	289	(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
290	290
...	...	@@ -300,32 +300,47 @@
300	300	There are five working modes + one interrupt mode on LT for different type application:
301	301
302	302	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	251	+
303	303	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	253	+
304	304	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	255	+
305	305	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	257	+
306	306	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	259	+
307	307	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
308	308
309		-
310		-
311	311	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
312	312
313	313
314	314	(((
315		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	266	+The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	267	+
	268	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	269	+|(% 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**
	270	+|Value|(((
	271	+AVI1 voltage
	272	+)))|(((
	273	+AVI2 voltage
	274	+)))|(((
	275	+ACI1 Current
	276	+)))|(((
	277	+ACI2 Current
	278	+)))|DIDORO*|(((
	279	+Reserve
	280	+)))|MOD
316	316	)))
317	317
318		-[[image:image-20220523174024-3.png]]
319		-
320	320	(((
321		-
322		-
323	323	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	285	+
	286	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	287	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	288	+|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
324	324	)))
325	325
326		-[[image:image-20220523174254-4.png]]
327		-
328		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	291	+* RO is for relay. ROx=1 : close, ROx=0 always open.
329	329	* DI is for digital input. DIx=1: high or float, DIx=0: low.
330	330	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
331	331
...	...	@@ -336,7 +336,7 @@
336	336
337	337	**The value for the interface is:  **
338	338
339		-AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
	302	+AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
340	340
341	341	AVI2 channel voltage is 0x04AC/1000=1.196V
342	342
...	...	@@ -364,7 +364,6 @@
364	364	** DO1 is high in case there is load between DO1 and V+.
365	365	** DO1 LED is off in both case
366	366
367		-
368	368	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
369	369
370	370
...	...	@@ -374,56 +374,55 @@
374	374
375	375	(((
376	376	Total : 11 bytes payload
	339	+
	340	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	341	+|(% 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**
	342	+|Value|COUNT1|COUNT2 |DIDORO*|(((
	343	+Reserve
	344	+)))|MOD
377	377	)))
378	378
379		-[[image:image-20220523180452-3.png]]
380		-
381		-
382	382	(((
383	383	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
384		-)))
385	385
386		-[[image:image-20220523180506-4.png]]
	350	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	351	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	352	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
387	387
388		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	354	+RO is for relay. ROx=1 : close , ROx=0 always open.
	355	+)))
	356	+
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
392	392	(((
393	393	(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
394		-)))
395	395
396		-(((
397	397
	364	+)))
398	398
	366	+(((
399	399	**To use counting mode, please run:**
400	400	)))
401	401
	370	+(((
402	402	(% class="box infomessage" %)
403	403	(((
404		-(((
405		-(((
406	406	**AT+MOD=2**
407		-)))
408	408
409		-(((
410	410	**ATZ**
411	411	)))
412	412	)))
413		-)))
414	414
415	415	(((
416	416
417	417
418	418	(% style="color:#4f81bd" %)**AT Commands for counting:**
419		-
420		-
421	421	)))
422	422
423	423	(((
424	424	**For LT22222-L:**
425	425
426		-
427	427	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
428	428
429	429	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -443,17 +443,23 @@
443	443
444	444	**LT22222-L**: This mode the DI1 is used as a counting pin.
445	445
446		-[[image:image-20220523181246-5.png]]
	407	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	408	+|(% 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**
	409	+|Value|COUNT1|(((
	410	+ACI1 Current
	411	+)))|(((
	412	+ACI2 Current
	413	+)))|DIDORO*|Reserve|MOD
447	447
448	448	(((
449		-
450		-
451	451	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	417	+
	418	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	419	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	420	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
452	452	)))
453	453
454		-[[image:image-20220523181301-6.png]]
455		-
456		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	423	+* RO is for relay. ROx=1 : close, ROx=0 always open.
457	457	* FIRST: Indicate this is the first packet after join network.
458	458	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
459	459
...	...	@@ -466,18 +466,14 @@
466	466	**To use counting mode, please run:**
467	467	)))
468	468
	436	+(((
469	469	(% class="box infomessage" %)
470	470	(((
471		-(((
472		-(((
473	473	**AT+MOD=3**
474		-)))
475	475
476		-(((
477	477	**ATZ**
478	478	)))
479	479	)))
480		-)))
481	481
482	482	(((
483	483	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -493,55 +493,52 @@
493	493
494	494	(((
495	495	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.
	459	+
	460	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	461	+|(% 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**
	462	+|Value|COUNT1|AVI1 Counting|DIDORO*|(((
	463	+Reserve
	464	+)))|MOD
496	496	)))
497	497
498		-[[image:image-20220523181903-8.png]]
499		-
500		-
501	501	(((
502	502	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	469	+
	470	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	471	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	472	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
503	503	)))
504	504
505		-[[image:image-20220523181727-7.png]]
506		-
507		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	475	+* RO is for relay. ROx=1 : close, ROx=0 always open.
508	508	* FIRST: Indicate this is the first packet after join network.
509	509	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
510	510
511	511	(((
512	512	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
513		-)))
514	514
515		-(((
516	516
	483	+)))
517	517
	485	+(((
518	518	**To use this mode, please run:**
519	519	)))
520	520
	489	+(((
521	521	(% class="box infomessage" %)
522	522	(((
523		-(((
524		-(((
525	525	**AT+MOD=4**
526		-)))
527	527
528		-(((
529	529	**ATZ**
530	530	)))
531	531	)))
532		-)))
533	533
534		-
535	535	(((
536	536	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
537	537	)))
538	538
539	539	(((
540		-
541		-
542	542	**Plus below command for AVI1 Counting:**
543	543
544		-
545	545	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
546	546
547	547	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -557,15 +557,27 @@
557	557
558	558	**LT22222-L**: This mode the DI1 is used as a counting pin.
559	559
560		-[[image:image-20220523182334-9.png]]
	520	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	521	+|(% 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**
	522	+|Value|(((
	523	+AVI1 voltage
	524	+)))|(((
	525	+AVI2 voltage
	526	+)))|(((
	527	+ACI1 Current
	528	+)))|COUNT1|DIDORO*|(((
	529	+Reserve
	530	+)))|MOD
561	561
562	562	(((
563		-
564		-
565	565	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	534	+
	535	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	536	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	537	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
566	566	)))
567	567
568		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	540	+* RO is for relay. ROx=1 : close, ROx=0 always open.
569	569	* FIRST: Indicate this is the first packet after join network.
570	570	* (((
571	571	DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -576,23 +576,17 @@
576	576	)))
577	577
578	578	(((
579		-
580		-
581	581	**To use this mode, please run:**
582	582	)))
583	583
	554	+(((
584	584	(% class="box infomessage" %)
585	585	(((
586		-(((
587		-(((
588	588	**AT+MOD=5**
589		-)))
590	590
591		-(((
592	592	**ATZ**
593	593	)))
594	594	)))
595		-)))
596	596
597	597	(((
598	598	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -687,12 +687,39 @@
687	687
688	688	MOD6 Payload : total 11 bytes payload
689	689
690		-[[image:image-20220524085923-1.png]]
	656	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	657	+|(% 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**
	658	+|Value|(((
	659	+TRI_A FLAG
	660	+)))|(((
	661	+TRI_A Status
	662	+)))|(((
	663	+TRI_DI FLAG+STA
	664	+)))|Reserve|Enable/Disable MOD6|(((
	665	+MOD(6)
	666	+)))
691	691
692		-
693	693	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
694	694
695		-[[image:image-20220524090106-2.png]]
	670	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	671	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	672	+|(((
	673	+AV1_LOW
	674	+)))|(((
	675	+AV1_HIGH
	676	+)))|(((
	677	+AV2_LOW
	678	+)))|(((
	679	+AV2_HIGH
	680	+)))|(((
	681	+AC1_LOW
	682	+)))|(((
	683	+AC1_HIGH
	684	+)))|(((
	685	+AC2_LOW
	686	+)))|(((
	687	+AC2_HIGH
	688	+)))
696	696
697	697	* Each bits shows if the corresponding trigger has been configured.
698	698
...	...	@@ -701,10 +701,27 @@
701	701	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
702	702
703	703
704		-
705	705	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
706	706
707		-[[image:image-20220524090249-3.png]]
	699	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	700	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	701	+|(((
	702	+AV1_LOW
	703	+)))|(((
	704	+AV1_HIGH
	705	+)))|(((
	706	+AV2_LOW
	707	+)))|(((
	708	+AV2_HIGH
	709	+)))|(((
	710	+AC1_LOW
	711	+)))|(((
	712	+AC1_HIGH
	713	+)))|(((
	714	+AC2_LOW
	715	+)))|(((
	716	+AC2_HIGH
	717	+)))
708	708
709	709	* Each bits shows which status has been trigger on this uplink.
710	710
...	...	@@ -715,7 +715,9 @@
715	715
716	716	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
717	717
718		-[[image:image-20220524090456-4.png]]
	728	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	729	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	730	+|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
719	719
720	720	* Each bits shows which status has been trigger on this uplink.
721	721
...	...	@@ -761,8 +761,6 @@
761	761
762	762	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
763	763
764		-
765		-
766	766	=== 3.4.1 Common Commands ===
767	767
768	768
...	...	@@ -773,7 +773,6 @@
773	773
774	774	=== 3.4.2 Sensor related commands ===
775	775
776		-
777	777	==== 3.4.2.1 Set Transmit Interval ====
778	778
779	779
...	...	@@ -798,14 +798,10 @@
798	798
799	799	Set work mode.
800	800
801		-* (% style="color:#037691" %)**AT Command:**
	810	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
802	802
803		-(% style="color:blue" %)**AT+MOD=N  **
804		-
805		-
806	806	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
807	807
808		-
809	809	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
810	810
811	811	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -815,16 +815,12 @@
815	815	==== 3.4.2.3 Poll an uplink ====
816	816
817	817
818		-* (% style="color:#037691" %)**AT Command:**
	823	+* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
819	819
820		-There is no AT Command to poll uplink
821		-
822		-
823	823	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
824	824
825	825	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
826	826
827		-
828	828	**Example**: 0x08FF, ask device to send an Uplink
829	829
830	830
...	...	@@ -834,10 +834,8 @@
834	834
835	835	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
836	836
837		-* (% style="color:#037691" %)**AT Command:**
	838	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
838	838
839		-(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
840		-
841	841	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
842	842
843	843	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -852,13 +852,12 @@
852	852	==== 3.4.2.5 Poll trigger settings ====
853	853
854	854
855		-Poll trigger settings,
	854	+Poll trigger settings
856	856
857	857	* (% style="color:#037691" %)**AT Command:**
858	858
859	859	There is no AT Command for this feature.
860	860
861		-
862	862	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
863	863
864	864	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -870,15 +870,11 @@
870	870
871	871	Enable Disable DI1/DI2/DI2 as trigger,
872	872
873		-* (% style="color:#037691" %)**AT Command:**
	871	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
874	874
875		-(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	873	+**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
876	876
877	877
878		-**Example:**
879		-
880		-AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
881		-
882	882	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
883	883
884	884	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -890,20 +890,15 @@
890	890
891	891	Set DI1 or DI3(for LT-33222-L) trigger.
892	892
893		-* (% style="color:#037691" %)**AT Command:**
	887	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
894	894
895		-(% style="color:blue" %)**AT+TRIG1=a,b**
896		-
897	897	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
898	898
899	899	(% style="color:red" %)**b :** (%%)delay timing.
900	900
	893	+**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
901	901
902		-**Example:**
903	903
904		-AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
905		-
906		-
907	907	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
908	908
909	909	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -915,20 +915,15 @@
915	915
916	916	Set DI2 trigger.
917	917
918		-* (% style="color:#037691" %)**AT Command:**
	907	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
919	919
920		-(% style="color:blue" %)**AT+TRIG2=a,b**
921		-
922	922	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
923	923
924	924	(% style="color:red" %)**b :** (%%)delay timing.
925	925
	913	+**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
926	926
927		-**Example:**
928	928
929		-AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
930		-
931		-
932	932	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
933	933
934	934	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -940,11 +940,8 @@
940	940
941	941	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942	942
943		-* (% style="color:#037691" %)**AT Command**
	927	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
944	944
945		-(% style="color:blue" %)**AT+ACLIM**
946		-
947		-
948	948	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
949	949
950	950	(% 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"]]
...	...	@@ -956,11 +956,8 @@
956	956
957	957	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
958	958
959		-* (% style="color:#037691" %)**AT Command**
	940	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
960	960
961		-(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
962		-
963		-
964	964	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
965	965
966	966	(% 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"]]
...	...	@@ -972,18 +972,13 @@
972	972
973	973	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
974	974
975		-* (% style="color:#037691" %)**AT Command**
	953	+* (% 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.
976	976
977		-(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
978		-
979		-
980	980	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
981	981
982	982	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
983	983
984	984	(((
985		-
986		-
987	987	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
988	988	)))
989	989
...	...	@@ -998,8 +998,9 @@
998	998
999	999
1000	1000	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1001		-* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1002	1002
	975	+(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
	976	+
1003	1003	(((
1004	1004	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1005	1005	)))
...	...	@@ -1006,10 +1006,14 @@
1006	1006
1007	1007	(((
1008	1008	01: Low,  00: High ,  11: No action
	983	+
	984	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	985	+|(% 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**
	986	+|02  01  00  11|Low|High|No Action
	987	+|02  00  11  01|High|No Action|Low
	988	+|02  11  01  00|No Action|Low|High
1009	1009	)))
1010	1010
1011		-[[image:image-20220524092754-5.png]]
1012		-
1013	1013	(((
1014	1014	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1015	1015	)))
...	...	@@ -1046,24 +1046,31 @@
1046	1046
1047	1047	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1048	1048
1049		-[[image:image-20220524093238-6.png]]
	1027	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1028	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1029	+|0x01|DO1 set to low
	1030	+|0x00|DO1 set to high
	1031	+|0x11|DO1 NO Action
1050	1050
1051		-
1052	1052	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1053	1053
1054		-[[image:image-20220524093328-7.png]]
	1035	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1036	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1037	+|0x01|DO2 set to low
	1038	+|0x00|DO2 set to high
	1039	+|0x11|DO2 NO Action
1055	1055
1056		-
1057	1057	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1058	1058
1059		-[[image:image-20220524093351-8.png]]
	1043	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1044	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1045	+|0x01|DO3 set to low
	1046	+|0x00|DO3 set to high
	1047	+|0x11|DO3 NO Action
1060	1060
	1049	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1061	1061
1062		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1063	1063
1064		- Latching time. Unit: ms
1065		-
1066		-
1067	1067	(% style="color:red" %)**Note: **
1068	1068
1069	1069	Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
...	...	@@ -1070,7 +1070,6 @@
1070	1070
1071	1071	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1072	1072
1073		-
1074	1074	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1075	1075
1076	1076
...	...	@@ -1094,7 +1094,7 @@
1094	1094
1095	1095
1096	1096
1097		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
	1081	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098	1098
1099	1099
1100	1100	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1112,11 +1112,18 @@
1112	1112	)))
1113	1113
1114	1114	(((
1115		-01: Close ,  00: Open , 11: No action
1116		-)))
	1099	+00: Close ,  01: Open , 11: No action
1117	1117
1118		-(((
1119		-[[image:image-20220524093724-9.png]]
	1101	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
	1102	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
	1103	+|03  00  11|Open|No Action
	1104	+|03  01  11|Close|No Action
	1105	+|03  11  00|No Action|Open
	1106	+|03  11  01|No Action|Close
	1107	+|03  00  00|Open|Open
	1108	+|03  01  01|Close|Close
	1109	+|03  01  00|Close|Open
	1110	+|03  00  01|Open|Close
1120	1120	)))
1121	1121
1122	1122	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1190,11 +1190,8 @@
1190	1190
1191	1191	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1192	1192
1193		-* (% style="color:#037691" %)**AT Command:**
	1184	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1194	1194
1195		-(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1196		-
1197		-
1198	1198	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1199	1199
1200	1200	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1204,10 +1204,8 @@
1204	1204	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1205	1205
1206	1206
1207		-* (% style="color:#037691" %)**AT Command:**
	1195	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1208	1208
1209		-(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1210		-
1211	1211	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1212	1212
1213	1213	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1224,11 +1224,8 @@
1224	1224
1225	1225	Clear counting for counting mode
1226	1226
1227		-* (% style="color:#037691" %)**AT Command:**
	1213	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1228	1228
1229		-(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1230		-
1231		-
1232	1232	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1233	1233
1234	1234	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1380,7 +1380,7 @@
1380	1380
1381	1381	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1382	1382
1383		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
	1366	+(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1384	1384
1385	1385	Search under The things network
1386	1386
...	...	@@ -1387,7 +1387,6 @@
1387	1387	[[image:1653356838789-523.png||height="337" width="740"]]
1388	1388
1389	1389
1390		-
1391	1391	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1392	1392
1393	1393	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1419,12 +1419,12 @@
1419	1419
1420	1420
1421	1421	(((
1422		-The DI port of LT-22222-L can support NPN or PNP output sensor.
	1404	+The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1423	1423	)))
1424	1424
1425	1425	(((
1426	1426	(((
1427		-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.
	1409	+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.
1428	1428
1429	1429
1430	1430	)))
...	...	@@ -1532,6 +1532,19 @@
1532	1532	)))
1533	1533
1534	1534
	1517	+(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1518	+
	1519	+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.
	1520	+
	1521	+To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1522	+
	1523	+[[image:image-20230616235145-1.png]]
	1524	+
	1525	+(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1526	+
	1527	+[[image:image-20240219115718-1.png]]
	1528	+
	1529	+
1535	1535	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1536	1536
1537	1537
...	...	@@ -1565,7 +1565,6 @@
1565	1565
1566	1566	**Black:  GND**
1567	1567
1568		-
1569	1569	**Connection diagram:**
1570	1570
1571	1571	[[image:1653357640609-758.png]]
...	...	@@ -1573,6 +1573,22 @@
1573	1573	[[image:1653357648330-671.png||height="155" width="733"]]
1574	1574
1575	1575
	1570	+Example connected to a regulated power supply to measure voltage
	1571	+
	1572	+[[image:image-20230608101532-1.png||height="606" width="447"]]
	1573	+
	1574	+[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
	1575	+
	1576	+[[image:image-20230608101722-3.png||height="102" width="1139"]]
	1577	+
	1578	+
	1579	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1580	+
	1581	+(% style="color:red" %)**Red:  12~~24v**
	1582	+
	1583	+**Black:  GND**
	1584	+
	1585	+
1576	1576	=== 3.6.5 Relay Output ===
1577	1577
1578	1578
...	...	@@ -1591,9 +1591,34 @@
1591	1591	== 3.7 LEDs Indicators ==
1592	1592
1593	1593
1594		-[[image:image-20220524100748-11.png]]
	1604	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1605	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
	1606	+|**PWR**|Always on if there is power
	1607	+|**TX**|(((
	1608	+(((
	1609	+Device boot: TX blinks 5 times.
	1610	+)))
1595	1595
	1612	+(((
	1613	+Successful join network: TX ON for 5 seconds.
	1614	+)))
1596	1596
	1616	+(((
	1617	+Transmit a LoRa packet: TX blinks once
	1618	+)))
	1619	+)))
	1620	+|**RX**|RX blinks once when receive a packet.
	1621	+|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
	1622	+|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
	1623	+|**DI1**|(((
	1624	+For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
	1625	+)))
	1626	+|**DI2**|(((
	1627	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1628	+)))
	1629	+|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
	1630	+|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
	1631	+
1597	1597	= 4. Use AT Command =
1598	1598
1599	1599	== 4.1 Access AT Command ==
...	...	@@ -1603,10 +1603,6 @@
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
1606		-(((
1607		-
1608		-)))
1609		-
1610	1610	[[image:1653358238933-385.png]]
1611	1611
1612	1612
...	...	@@ -1925,8 +1925,6 @@
1925	1925	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1926	1926
1927	1927	**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.**
1928		-
1929		-
1930	1930	)))
1931	1931
1932	1932	(((
...	...	@@ -1933,9 +1933,6 @@
1933	1933	[[image:1653359097980-169.png||height="188" width="729"]]
1934	1934	)))
1935	1935
1936		-(((
1937		-
1938		-)))
1939	1939
1940	1940	=== 4.2.3 Change to Class A ===
1941	1941
...	...	@@ -1943,8 +1943,9 @@
1943	1943	(((
1944	1944	(% style="color:blue" %)**If sensor JOINED:**
1945	1945
1946		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1947		-ATZ**
	1972	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
	1973	+
	1974	+(% style="background-color:#dcdcdc" %)**ATZ**
1948	1948	)))
1949	1949
1950	1950
...	...	@@ -1974,7 +1974,7 @@
1974	1974
1975	1975	(((
1976	1976	(% 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]].
1977		-(% 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]].
	2004	+(% 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]].
1978	1978	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1979	1979
1980	1980
...	...	@@ -1997,7 +1997,6 @@
1997	1997
1998	1998	(% 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:
1999	1999
2000		-
2001	2001	[[image:1653360054704-518.png||height="186" width="745"]]
2002	2002
2003	2003
...	...	@@ -2061,13 +2061,21 @@
2061	2061
2062	2062	(((
2063	2063	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2090	+
2064	2064	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2092	+
2065	2065	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2094	+
2066	2066	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2096	+
2067	2067	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2098	+
2068	2068	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2100	+
2069	2069	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2102	+
2070	2070	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2104	+
2071	2071	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2072	2072	)))
2073	2073
...	...	@@ -2079,14 +2079,20 @@
2079	2079	[[image:1653360498588-932.png||height="485" width="726"]]
2080	2080
2081	2081
2082		-== 6.4 Can I see counting event in Serial? ==
	2116	+== 6.4 How to change the uplink interval? ==
2083	2083
2084	2084
	2119	+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/]]
	2120	+
	2121	+
	2122	+== 6.5 Can I see counting event in Serial? ==
	2123	+
	2124	+
2085	2085	(((
2086	2086	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.
2087	2087
2088	2088
2089		-== 6.5 Can i use point to point communication for LT-22222-L? ==
	2129	+== 6.6 Can i use point to point communication for LT-22222-L? ==
2090	2090
2091	2091
2092	2092	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]].
...	...	@@ -2095,7 +2095,7 @@
2095	2095	)))
2096	2096
2097	2097	(((
2098		-== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2138	+== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2099	2099
2100	2100
2101	2101	If the device is not shut down, but directly powered off.
...	...	@@ -2107,7 +2107,7 @@
2107	2107	After restart, the status before power failure will be read from flash.
2108	2108
2109	2109
2110		-== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2150	+== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2111	2111
2112	2112
2113	2113	LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
...	...	@@ -2116,12 +2116,18 @@
2116	2116	[[image:image-20221006170630-1.png||height="610" width="945"]]
2117	2117
2118	2118
2119		-== 6.8 Can LT22222-L save RO state? ==
	2159	+== 6.9 Can LT22222-L save RO state? ==
2120	2120
2121	2121
2122	2122	Firmware version needs to be no less than 1.6.0.
2123	2123
2124	2124
	2165	+== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
	2166	+
	2167	+
	2168	+It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
	2169	+
	2170	+
2125	2125	= 7. Trouble Shooting =
2126	2126	)))
2127	2127
...	...	@@ -2162,6 +2162,13 @@
2162	2162	)))
2163	2163
2164	2164
	2211	+== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
	2212	+
	2213	+
	2214	+The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
	2215	+Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
	2216	+
	2217	+
2165	2165	= 8. Order Info =
2166	2166
2167	2167
...	...	@@ -2179,8 +2179,6 @@
2179	2179	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2180	2180	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2181	2181
2182		-
2183		-
2184	2184	= 9. Packing Info =
2185	2185
2186	2186
...	...	@@ -2191,7 +2191,6 @@
2191	2191	* Bracket for controller x1
2192	2192	* Program cable x 1
2193	2193
2194		-
2195	2195	**Dimension and weight**:
2196	2196
2197	2197	* Device Size: 13.5 x 7 x 3 cm
...	...	@@ -2199,8 +2199,6 @@
2199	2199	* Package Size / pcs : 14.5 x 8 x 5 cm
2200	2200	* Weight / pcs : 170g
2201	2201
2202		-
2203		-
2204	2204	= 10. Support =
2205	2205
2206	2206
...	...	@@ -2208,7 +2208,7 @@
2208	2208	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.
2209	2209	)))
2210	2210	* (((
2211		-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]]
	2259	+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]]
2212	2212
2213	2213
2214	2214
...	...	@@ -2220,5 +2220,3 @@
2220	2220	* 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]]
2221	2221	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2222	2222	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2223		-
2224		-

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