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

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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	(((
...	...	@@ -53,164 +53,71 @@
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		-
180	180	* Optional Customized LoRa Protocol
181		-
182	182	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183		-
184	184	* AT Commands to change parameters
185		-
186	186	* Remote configure parameters via LoRa Downlink
187		-
188	188	* Firmware upgradable via program port
189		-
190	190	* Counting
191	191
192		-== 1.4  Applications ==
	105	+== 1.4 Applications ==
193	193
194		-
195	195	* Smart Buildings & Home Automation
196		-
197	197	* Logistics and Supply Chain Management
198		-
199	199	* Smart Metering
200		-
201	201	* Smart Agriculture
202		-
203	203	* Smart Cities
204		-
205	205	* Smart Factory
206	206
207		-
208		-
209	209	== 1.5 Hardware Variants ==
210	210
211	211
212		-(% border="1" style="background-color:#f2f2f2; width:500px" %)
213		-|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
	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**
214	214	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215	215	(% style="text-align:center" %)
216	216	[[image:image-20230424115112-1.png||height="106" width="58"]]
...	...	@@ -223,133 +223,193 @@
223	223	* 1 x Counting Port
224	224	)))
225	225
	131	+= 2. Assembling the Device =
226	226
	133	+== 2.1 What is included in the package? ==
227	227
228		-= 2. Power ON Device =
	135	+The package includes the following items:
229	229
	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
230	230
231		-(((
232		-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.
233		-)))
	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.
234	234
235		-(((
236		-PWR will on when device is properly powered.
	144	+== 2.2 Terminals ==
237	237
238		-
239		-)))
	146	+Upper screw terminal block (from left to right):
240	240
	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" %)Relay Output 1
	162	+|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
	163	+|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
	164	+|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
	165	+|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
	166	+|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
	167	+|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
	168	+|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
	169	+|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
	170	+|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
	171	+
	172	+== 2.3 Powering ==
	173	+
	174	+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. The power indicator (PWR) LED will turn on when the device is properly powered.
	175	+
	176	+
241	241	[[image:1653297104069-180.png]]
242	242
243	243
244	244	= 3. Operation Mode =
245	245
246		-== 3.1 How it works? ==
	182	+== 3.1 How does it work? ==
247	247
	184	+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.
248	248
249		-(((
250		-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.
251		-)))
	186	+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.
252	252
253		-(((
254		-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.
255		-)))
	188	+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.
256	256
	190	+== 3.2 Registering with a LoRaWAN network server ==
257	257
258		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
259	259
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
260	260
261		-(((
262		-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.
	196	+=== 3.2.1 Prerequisites ===
263	263
264		-
265		-)))
	198	+Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
266	266
267		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
268	268
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
269	269
270		-(((
271		-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:
	204	+=== 3.2.2 The Things Stack Sandbox (TTSS) ===
272	272
273		-
274		-)))
	206	+* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
	207	+* Create an application if you do not have one yet.
	208	+* Register LT-22222-L with that application. Two registration options available:
275	275
276		-(((
277		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
278		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
279	279
280		-(((
281		-Each LT is shipped with a sticker with the default device EUI as below:
282		-)))
	212	+* Go to your application and click on the **Register end device** button.
	213	+* On the **Register end device** page:
	214	+** Select the option **Select the end device in the LoRaWAN Device Repository**.
	215	+** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
	216	+** Select the **Frequency plan** that matches with your device.
283	283
284		-[[image:1653297924498-393.png]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
285	285
	220	+*
	221	+** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
	222	+** Enter the **DevEUI** in the **DevEUI** field.
	223	+** Enter the **AppKey** in the **AppKey** field.
	224	+** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	225	+** Under **After registration**, select the **View registered end device** option.
286	286
287		-Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
	227	+[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
288	288
289		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
290	290
291		-[[image:1653297955910-247.png||height="321" width="716"]]
	231	+* On the **Register end device** page:
	232	+** Select the **Enter end device specifies manually** option as the input method.
	233	+** Select the **Frequency plan** that matches with your device.
	234	+** Select the **LoRaWAN version**.
	235	+** Select the **Regional Parameters version**.
	236	+** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
	237	+** Select **Over the air activation (OTAA)** option under **Activation mode**
	238	+** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
292	292
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
293	293
294		-**Add APP KEY and DEV EUI**
295	295
296		-[[image:1653298023685-319.png]]
	243	+* Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
	244	+* Enter **DevEUI** in the **DevEUI** field.
	245	+* Enter **AppKey** in the **AppKey** field.
	246	+* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	247	+* Under **After registration**, select the **View registered end device** option.
297	297
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
298	298
299	299
300		-(((
301		-(% 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.
	252	+==== Joining ====
302	302
303		-
304		-)))
	254	+Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
305	305
306	306	[[image:1653298044601-602.png||height="405" width="709"]]
307	307
308	308
309		-== 3.3 Uplink Payload ==
	259	+== 3.3 Uplink Payload formats ==
310	310
311	311
312		-There are five working modes + one interrupt mode on LT for different type application:
	262	+The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different type applications that can be used together with all the working modes as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
313	313
314		-* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	264	+* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
	265	+
315	315	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	267	+
316	316	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	269	+
317	317	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	271	+
318	318	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	273	+
319	319	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
320	320
321		-
322		-
323	323	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
324	324
325	325
326	326	(((
327		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	280	+The uplink payload is 11 bytes long. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" %)
	281	+
	282	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	283	+|(% 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**
	284	+|Value|(((
	285	+AVI1 voltage
	286	+)))|(((
	287	+AVI2 voltage
	288	+)))|(((
	289	+ACI1 Current
	290	+)))|(((
	291	+ACI2 Current
	292	+)))|DIDORO*|(((
	293	+Reserve
	294	+)))|MOD
328	328	)))
329	329
330		-[[image:image-20220523174024-3.png]]
331		-
332	332	(((
333		-
	298	+(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
334	334
335		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	300	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	301	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	302	+|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
336	336	)))
337	337
338		-[[image:image-20220523174254-4.png]]
	305	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
	306	+* DI is for digital input. DIx=1: high or floating, DIx=0: low.
	307	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
339	339
340		-* RO is for relay. ROx=1 : close，ROx=0 always open.
341		-* DI is for digital input. DIx=1: high or float, DIx=0: low.
342		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	309	+(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
343	343
344		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	311	+For example, if the payload is: [[image:image-20220523175847-2.png]]
345	345
346		-For example if payload is: [[image:image-20220523175847-2.png]]
347	347
	314	+**The interface values can be calculated as follows:  **
348	348
349		-**The value for the interface is:  **
	316	+AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
350	350
351		-AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
352		-
353	353	AVI2 channel voltage is 0x04AC/1000=1.196V
354	354
355	355	ACI1 channel current is 0x1310/1000=4.880mA
...	...	@@ -356,98 +356,95 @@
356	356
357	357	ACI2 channel current is 0x1300/1000=4.864mA
358	358
359		-The last byte 0xAA= 10101010(B) means
	324	+The last byte 0xAA= 10101010(b) means,
360	360
361		-* [1] RO1 relay channel is close and the RO1 LED is ON.
362		-* [0] RO2 relay channel is open and RO2 LED is OFF;
363		-
364		-**LT22222-L:**
365		-
366		-* [1] DI2 channel is high input and DI2 LED is ON;
367		-* [0] DI1 channel is low input;
368		-
369		-* [0] DO3 channel output state
370		-** DO3 is float in case no load between DO3 and V+.;
	326	+* [1] RO1 relay channel is closed, and the RO1 LED is ON.
	327	+* [0] RO2 relay channel is open, and RO2 LED is OFF.
	328	+* [1] DI3 - not used for LT-22222-L.
	329	+* [0] DI2 channel input is low, and the DI2 LED is OFF.
	330	+* [1] DI1 channel input state:
	331	+** DI1 is floating when there is no load between DI1 and V+.
	332	+** DI1 is high when there is load between DI1 and V+.
	333	+** DI1 LED is ON in both cases.
	334	+* [0] DO3 channel output state:
	335	+** DO3 is float in case no load between DO3 and V+.
371	371	** DO3 is high in case there is load between DO3 and V+.
372		-** DO3 LED is off in both case
373		-* [1] DO2 channel output is low and DO2 LED is ON.
374		-* [0] DO1 channel output state
375		-** DO1 is float in case no load between DO1 and V+.;
376		-** DO1 is high in case there is load between DO1 and V+.
377		-** DO1 LED is off in both case
	337	+** DO3 LED is OFF in both case
	338	+* [1] DO2 channel output is low, and the DO2 LED is ON.
	339	+* [0] DO1 channel output state:
	340	+** DO1 is floating when there is no load between DO1 and V+.
	341	+** DO1 is high when there is load between DO1 and V+.
	342	+** DO1 LED is OFF in both case.
378	378
379		-
380		-
381	381	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
382	382
383	383
384	384	(((
385		-**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	348	+**For LT-22222-L**: In this mode, the **DI1 and DI2** are used as counting pins.
386	386	)))
387	387
388	388	(((
389		-Total : 11 bytes payload
	352	+The uplink payload is 11 bytes long.
	353	+
	354	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	355	+|(% 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**
	356	+|Value|COUNT1|COUNT2 |DIDORO*|(((
	357	+Reserve
	358	+)))|MOD
390	390	)))
391	391
392		-[[image:image-20220523180452-3.png]]
	361	+(((
	362	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
393	393
	364	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	365	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	366	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
394	394
395		-(((
396		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	368	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
397	397	)))
398	398
399		-[[image:image-20220523180506-4.png]]
	371	+* FIRST: Indicates that this is the first packet after joining the network.
	372	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
400	400
401		-* RO is for relay. ROx=1 : close，ROx=0 always open.
402		-* FIRST: Indicate this is the first packet after join network.
403		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
404		-
405	405	(((
406		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
407		-)))
	375	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
408	408
409		-(((
410	410
	378	+)))
411	411
412		-**To use counting mode, please run:**
	380	+(((
	381	+**To activate this mode, please run the following AT command:**
413	413	)))
414	414
	384	+(((
415	415	(% class="box infomessage" %)
416	416	(((
417		-(((
418		-(((
419	419	**AT+MOD=2**
420		-)))
421	421
422		-(((
423	423	**ATZ**
424	424	)))
425	425	)))
426		-)))
427	427
428	428	(((
429	429
430	430
431	431	(% style="color:#4f81bd" %)**AT Commands for counting:**
432		-
433		-
434	434	)))
435	435
436	436	(((
437	437	**For LT22222-L:**
438	438
	402	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set the DI1 port to trigger on a low level, the valid signal duration is 100ms) **
439	439
440		-(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
	404	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set the DI1 port to trigger on a high level, the valid signal duration is 100ms) **
441	441
442		-(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
	406	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set the DI2 port to trigger on a low level, the valid signal duration is 100ms) **
443	443
444		-(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
	408	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set the DI2 port to trigger on a high level, the valid signal duration is 100ms) **
445	445
446		-(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
	410	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set the COUNT1 value to 60)**
447	447
448		-(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
449		-
450		-(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
	412	+(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set the COUNT2 value to 60)**
451	451	)))
452	452
453	453
...	...	@@ -454,22 +454,28 @@
454	454	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
455	455
456	456
457		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	419	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
458	458
459		-[[image:image-20220523181246-5.png]]
	421	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	422	+|(% 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**
	423	+|Value|COUNT1|(((
	424	+ACI1 Current
	425	+)))|(((
	426	+ACI2 Current
	427	+)))|DIDORO*|Reserve|MOD
460	460
461	461	(((
462		-
	430	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
463	463
464		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	432	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	433	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	434	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
465	465	)))
466	466
467		-[[image:image-20220523181301-6.png]]
	437	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
	438	+* FIRST: Indicates that this is the first packet after joining the network.
	439	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
468	468
469		-* RO is for relay. ROx=1 : close，ROx=0 always open.
470		-* FIRST: Indicate this is the first packet after join network.
471		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
472		-
473	473	(((
474	474	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
475	475	)))
...	...	@@ -476,24 +476,22 @@
476	476
477	477
478	478	(((
479		-**To use counting mode, please run:**
	447	+**To activate this mode, please run the following AT command:**
480	480	)))
481	481
	450	+(((
482	482	(% class="box infomessage" %)
483	483	(((
484		-(((
485		-(((
486	486	**AT+MOD=3**
487		-)))
488	488
489		-(((
490	490	**ATZ**
491	491	)))
492	492	)))
493		-)))
494	494
495	495	(((
496		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	460	+AT Commands for counting:
	461	+
	462	+The AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. Use only the commands that match 'DI'.
497	497	)))
498	498
499	499
...	...	@@ -501,62 +501,59 @@
501	501
502	502
503	503	(((
504		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	470	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
505	505	)))
506	506
507	507	(((
508		-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.
	474	+The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
	475	+
	476	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	477	+|(% 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**
	478	+|Value|COUNT1|AVI1 Counting|DIDORO*|(((
	479	+Reserve
	480	+)))|MOD
509	509	)))
510	510
511		-[[image:image-20220523181903-8.png]]
512		-
513		-
514	514	(((
515		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	484	+(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
	485	+
	486	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	487	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	488	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
516	516	)))
517	517
518		-[[image:image-20220523181727-7.png]]
	491	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
	492	+* FIRST: Indicates that this is the first packet after joining the network.
	493	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
519	519
520		-* RO is for relay. ROx=1 : close，ROx=0 always open.
521		-* FIRST: Indicate this is the first packet after join network.
522		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
523		-
524	524	(((
525	525	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
526		-)))
527	527
528		-(((
529	529
	499	+)))
530	530
531		-**To use this mode, please run:**
	501	+(((
	502	+**To activate this mode, please run the following AT command:**
532	532	)))
533	533
	505	+(((
534	534	(% class="box infomessage" %)
535	535	(((
536		-(((
537		-(((
538	538	**AT+MOD=4**
539		-)))
540	540
541		-(((
542	542	**ATZ**
543	543	)))
544	544	)))
545		-)))
546	546
547		-
548	548	(((
549	549	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
550	550	)))
551	551
552	552	(((
553		-
	519	+**In addition to that, below are the commands for AVI1 Counting:**
554	554
555		-**Plus below command for AVI1 Counting:**
	521	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
556	556
557		-
558		-(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
559		-
560	560	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
561	561
562	562	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -570,15 +570,27 @@
570	570
571	571	**LT22222-L**: This mode the DI1 is used as a counting pin.
572	572
573		-[[image:image-20220523182334-9.png]]
	536	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	537	+|(% 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**
	538	+|Value|(((
	539	+AVI1 voltage
	540	+)))|(((
	541	+AVI2 voltage
	542	+)))|(((
	543	+ACI1 Current
	544	+)))|COUNT1|DIDORO*|(((
	545	+Reserve
	546	+)))|MOD
574	574
575	575	(((
576		-
577		-
578	578	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	550	+
	551	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	552	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	553	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
579	579	)))
580	580
581		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	556	+* RO is for relay. ROx=1 : close, ROx=0 always open.
582	582	* FIRST: Indicate this is the first packet after join network.
583	583	* (((
584	584	DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -589,23 +589,17 @@
589	589	)))
590	590
591	591	(((
592		-
593		-
594	594	**To use this mode, please run:**
595	595	)))
596	596
	570	+(((
597	597	(% class="box infomessage" %)
598	598	(((
599		-(((
600		-(((
601	601	**AT+MOD=5**
602		-)))
603	603
604		-(((
605	605	**ATZ**
606	606	)))
607	607	)))
608		-)))
609	609
610	610	(((
611	611	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -700,12 +700,39 @@
700	700
701	701	MOD6 Payload : total 11 bytes payload
702	702
703		-[[image:image-20220524085923-1.png]]
	672	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	673	+|(% 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**
	674	+|Value|(((
	675	+TRI_A FLAG
	676	+)))|(((
	677	+TRI_A Status
	678	+)))|(((
	679	+TRI_DI FLAG+STA
	680	+)))|Reserve|Enable/Disable MOD6|(((
	681	+MOD(6)
	682	+)))
704	704
705		-
706	706	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
707	707
708		-[[image:image-20220524090106-2.png]]
	686	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	687	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	688	+|(((
	689	+AV1_LOW
	690	+)))|(((
	691	+AV1_HIGH
	692	+)))|(((
	693	+AV2_LOW
	694	+)))|(((
	695	+AV2_HIGH
	696	+)))|(((
	697	+AC1_LOW
	698	+)))|(((
	699	+AC1_HIGH
	700	+)))|(((
	701	+AC2_LOW
	702	+)))|(((
	703	+AC2_HIGH
	704	+)))
709	709
710	710	* Each bits shows if the corresponding trigger has been configured.
711	711
...	...	@@ -714,10 +714,27 @@
714	714	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
715	715
716	716
717		-
718	718	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
719	719
720		-[[image:image-20220524090249-3.png]]
	715	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	716	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	717	+|(((
	718	+AV1_LOW
	719	+)))|(((
	720	+AV1_HIGH
	721	+)))|(((
	722	+AV2_LOW
	723	+)))|(((
	724	+AV2_HIGH
	725	+)))|(((
	726	+AC1_LOW
	727	+)))|(((
	728	+AC1_HIGH
	729	+)))|(((
	730	+AC2_LOW
	731	+)))|(((
	732	+AC2_HIGH
	733	+)))
721	721
722	722	* Each bits shows which status has been trigger on this uplink.
723	723
...	...	@@ -728,7 +728,9 @@
728	728
729	729	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
730	730
731		-[[image:image-20220524090456-4.png]]
	744	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	745	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	746	+|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
732	732
733	733	* Each bits shows which status has been trigger on this uplink.
734	734
...	...	@@ -774,8 +774,6 @@
774	774
775	775	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
776	776
777		-
778		-
779	779	=== 3.4.1 Common Commands ===
780	780
781	781
...	...	@@ -810,14 +810,10 @@
810	810
811	811	Set work mode.
812	812
813		-* (% style="color:#037691" %)**AT Command:**
	826	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
814	814
815		-(% style="color:blue" %)**AT+MOD=N  **
816		-
817		-
818	818	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
819	819
820		-
821	821	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
822	822
823	823	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -827,16 +827,12 @@
827	827	==== 3.4.2.3 Poll an uplink ====
828	828
829	829
830		-* (% style="color:#037691" %)**AT Command:**
	839	+* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
831	831
832		-There is no AT Command to poll uplink
833		-
834		-
835	835	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
836	836
837	837	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
838	838
839		-
840	840	**Example**: 0x08FF, ask device to send an Uplink
841	841
842	842
...	...	@@ -846,10 +846,8 @@
846	846
847	847	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
848	848
849		-* (% style="color:#037691" %)**AT Command:**
	854	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
850	850
851		-(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
852		-
853	853	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
854	854
855	855	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -864,13 +864,12 @@
864	864	==== 3.4.2.5 Poll trigger settings ====
865	865
866	866
867		-Poll trigger settings,
	870	+Poll trigger settings
868	868
869	869	* (% style="color:#037691" %)**AT Command:**
870	870
871	871	There is no AT Command for this feature.
872	872
873		-
874	874	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
875	875
876	876	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -882,15 +882,11 @@
882	882
883	883	Enable Disable DI1/DI2/DI2 as trigger,
884	884
885		-* (% style="color:#037691" %)**AT Command:**
	887	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
886	886
887		-(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	889	+**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
888	888
889	889
890		-**Example:**
891		-
892		-AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
893		-
894	894	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
895	895
896	896	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -902,20 +902,15 @@
902	902
903	903	Set DI1 or DI3(for LT-33222-L) trigger.
904	904
905		-* (% style="color:#037691" %)**AT Command:**
	903	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
906	906
907		-(% style="color:blue" %)**AT+TRIG1=a,b**
908		-
909	909	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
910	910
911	911	(% style="color:red" %)**b :** (%%)delay timing.
912	912
	909	+**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
913	913
914		-**Example:**
915	915
916		-AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
917		-
918		-
919	919	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
920	920
921	921	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -927,20 +927,15 @@
927	927
928	928	Set DI2 trigger.
929	929
930		-* (% style="color:#037691" %)**AT Command:**
	923	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
931	931
932		-(% style="color:blue" %)**AT+TRIG2=a,b**
933		-
934	934	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
935	935
936	936	(% style="color:red" %)**b :** (%%)delay timing.
937	937
	929	+**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
938	938
939		-**Example:**
940	940
941		-AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
942		-
943		-
944	944	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
945	945
946	946	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -952,11 +952,8 @@
952	952
953	953	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
954	954
955		-* (% style="color:#037691" %)**AT Command**
	943	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
956	956
957		-(% style="color:blue" %)**AT+ACLIM**
958		-
959		-
960	960	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
961	961
962	962	(% 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"]]
...	...	@@ -968,11 +968,8 @@
968	968
969	969	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
970	970
971		-* (% style="color:#037691" %)**AT Command**
	956	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
972	972
973		-(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
974		-
975		-
976	976	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
977	977
978	978	(% 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"]]
...	...	@@ -984,18 +984,13 @@
984	984
985	985	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
986	986
987		-* (% style="color:#037691" %)**AT Command**
	969	+* (% 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.
988	988
989		-(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
990		-
991		-
992	992	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
993	993
994	994	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
995	995
996	996	(((
997		-
998		-
999	999	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1000	1000	)))
1001	1001
...	...	@@ -1010,8 +1010,9 @@
1010	1010
1011	1011
1012	1012	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1013		-* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1014	1014
	991	+(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
	992	+
1015	1015	(((
1016	1016	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1017	1017	)))
...	...	@@ -1018,10 +1018,14 @@
1018	1018
1019	1019	(((
1020	1020	01: Low,  00: High ,  11: No action
	999	+
	1000	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1001	+|(% 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**
	1002	+|02  01  00  11|Low|High|No Action
	1003	+|02  00  11  01|High|No Action|Low
	1004	+|02  11  01  00|No Action|Low|High
1021	1021	)))
1022	1022
1023		-[[image:image-20220524092754-5.png]]
1024		-
1025	1025	(((
1026	1026	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1027	1027	)))
...	...	@@ -1058,24 +1058,31 @@
1058	1058
1059	1059	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1060	1060
1061		-[[image:image-20220524093238-6.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|DO1 set to low
	1046	+|0x00|DO1 set to high
	1047	+|0x11|DO1 NO Action
1062	1062
1063		-
1064	1064	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1065	1065
1066		-[[image:image-20220524093328-7.png]]
	1051	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1052	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1053	+|0x01|DO2 set to low
	1054	+|0x00|DO2 set to high
	1055	+|0x11|DO2 NO Action
1067	1067
1068		-
1069	1069	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1070	1070
1071		-[[image:image-20220524093351-8.png]]
	1059	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1060	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1061	+|0x01|DO3 set to low
	1062	+|0x00|DO3 set to high
	1063	+|0x11|DO3 NO Action
1072	1072
	1065	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1073	1073
1074		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1075	1075
1076		- Latching time. Unit: ms
1077		-
1078		-
1079	1079	(% style="color:red" %)**Note: **
1080	1080
1081	1081	Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
...	...	@@ -1082,7 +1082,6 @@
1082	1082
1083	1083	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1084	1084
1085		-
1086	1086	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1087	1087
1088	1088
...	...	@@ -1106,7 +1106,7 @@
1106	1106
1107	1107
1108	1108
1109		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
	1097	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1110	1110
1111	1111
1112	1112	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1124,11 +1124,18 @@
1124	1124	)))
1125	1125
1126	1126	(((
1127		-01: Close ,  00: Open , 11: No action
1128		-)))
	1115	+00: Close ,  01: Open , 11: No action
1129	1129
1130		-(((
1131		-[[image:image-20220524093724-9.png]]
	1117	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
	1118	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
	1119	+|03  00  11|Open|No Action
	1120	+|03  01  11|Close|No Action
	1121	+|03  11  00|No Action|Open
	1122	+|03  11  01|No Action|Close
	1123	+|03  00  00|Open|Open
	1124	+|03  01  01|Close|Close
	1125	+|03  01  00|Close|Open
	1126	+|03  00  01|Open|Close
1132	1132	)))
1133	1133
1134	1134	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1202,11 +1202,8 @@
1202	1202
1203	1203	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1204	1204
1205		-* (% style="color:#037691" %)**AT Command:**
	1200	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1206	1206
1207		-(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1208		-
1209		-
1210	1210	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1211	1211
1212	1212	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1216,10 +1216,8 @@
1216	1216	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1217	1217
1218	1218
1219		-* (% style="color:#037691" %)**AT Command:**
	1211	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1220	1220
1221		-(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1222		-
1223	1223	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1224	1224
1225	1225	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1236,11 +1236,8 @@
1236	1236
1237	1237	Clear counting for counting mode
1238	1238
1239		-* (% style="color:#037691" %)**AT Command:**
	1229	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1240	1240
1241		-(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1242		-
1243		-
1244	1244	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1245	1245
1246	1246	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1368,55 +1368,71 @@
1368	1368	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1369	1369
1370	1370
1371		-== 3.5 Integrate with Mydevice ==
	1358	+== 3.5 Integrating with ThingsEye.io ==
1372	1372
	1360	+If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1373	1373
1374		-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:
	1362	+=== 3.5.1 Configuring The Things Stack Sandbox ===
1375	1375
1376		-(((
1377		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1378		-)))
	1364	+* Go to your Application and select MQTT under Integrations.
	1365	+* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
	1366	+* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1379	1379
1380		-(((
1381		-(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1368	+[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1382	1382
1383		-
1384		-)))
	1370	+=== 3.5.2 Configuring ThingsEye.io ===
1385	1385
1386		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1372	+* Login to your thingsEye.io account.
	1373	+* Under the Integrations center, click Integrations.
	1374	+* Click the Add integration button (the button with the + symbol).
1387	1387
	1376	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1388	1388
1389	1389
1390		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1379	+On the Add integration page configure the following:
1391	1391
	1381	+Basic settings:
1392	1392
1393		-(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
	1383	+* Select The Things Stack Community from the Integration type list.
	1384	+* Enter a suitable name for your integration in the Name box or keep the default name.
	1385	+* Click the Next button.
1394	1394
1395		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
	1387	+[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1396	1396
1397		-Search under The things network
	1389	+Uplink Data converter:
1398	1398
1399		-[[image:1653356838789-523.png||height="337" width="740"]]
	1391	+* Click the Create New button if it is not selected by default.
	1392	+* Click the JavaScript button.
	1393	+* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1394	+* Click the Next button.
1400	1400
	1396	+[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1401	1401
	1398	+Downlink Data converter (this is an optional step):
1402	1402
1403		-After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	1400	+* Click the Create new button if it is not selected by default.
	1401	+* Click the JavaScript button.
	1402	+* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1403	+* Click the Next button.
1404	1404
1405		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1405	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1406	1406
	1407	+Connection:
1407	1407
1408		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1409	+* Choose Region from the Host type.
	1410	+* Enter the cluster of your The Things Stack in the Region textbox.
	1411	+* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
	1412	+* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
	1413	+* Click the Add button.
1409	1409
	1415	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1410	1410
1411		-[[image:image-20220524094909-3.png||height="338" width="727"]]
1412	1412
	1418	+Your integration is added to the integrations list and it will display on the Integrations page.
1413	1413
1414		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
	1420	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1415	1415
1416	1416
1417		-[[image:image-20220524094909-5.png||height="341" width="734"]]
1418		-
1419		-
1420	1420	== 3.6 Interface Detail ==
1421	1421
1422	1422	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1431,12 +1431,12 @@
1431	1431
1432	1432
1433	1433	(((
1434		-The DI port of LT-22222-L can support NPN or PNP output sensor.
	1437	+The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1435	1435	)))
1436	1436
1437	1437	(((
1438	1438	(((
1439		-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.
	1442	+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.
1440	1440
1441	1441
1442	1442	)))
...	...	@@ -1544,6 +1544,19 @@
1544	1544	)))
1545	1545
1546	1546
	1550	+(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1551	+
	1552	+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.
	1553	+
	1554	+To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1555	+
	1556	+[[image:image-20230616235145-1.png]]
	1557	+
	1558	+(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1559	+
	1560	+[[image:image-20240219115718-1.png]]
	1561	+
	1562	+
1547	1547	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1548	1548
1549	1549
...	...	@@ -1577,7 +1577,6 @@
1577	1577
1578	1578	**Black:  GND**
1579	1579
1580		-
1581	1581	**Connection diagram:**
1582	1582
1583	1583	[[image:1653357640609-758.png]]
...	...	@@ -1585,6 +1585,22 @@
1585	1585	[[image:1653357648330-671.png||height="155" width="733"]]
1586	1586
1587	1587
	1603	+Example connected to a regulated power supply to measure voltage
	1604	+
	1605	+[[image:image-20230608101532-1.png||height="606" width="447"]]
	1606	+
	1607	+[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
	1608	+
	1609	+[[image:image-20230608101722-3.png||height="102" width="1139"]]
	1610	+
	1611	+
	1612	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1613	+
	1614	+(% style="color:red" %)**Red:  12~~24v**
	1615	+
	1616	+**Black:  GND**
	1617	+
	1618	+
1588	1588	=== 3.6.5 Relay Output ===
1589	1589
1590	1590
...	...	@@ -1603,9 +1603,34 @@
1603	1603	== 3.7 LEDs Indicators ==
1604	1604
1605	1605
1606		-[[image:image-20220524100748-11.png]]
	1637	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1638	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
	1639	+|**PWR**|Always on if there is power
	1640	+|**TX**|(((
	1641	+(((
	1642	+Device boot: TX blinks 5 times.
	1643	+)))
1607	1607
	1645	+(((
	1646	+Successful join network: TX ON for 5 seconds.
	1647	+)))
1608	1608
	1649	+(((
	1650	+Transmit a LoRa packet: TX blinks once
	1651	+)))
	1652	+)))
	1653	+|**RX**|RX blinks once when receive a packet.
	1654	+|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
	1655	+|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
	1656	+|**DI1**|(((
	1657	+For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
	1658	+)))
	1659	+|**DI2**|(((
	1660	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1661	+)))
	1662	+|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
	1663	+|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
	1664	+
1609	1609	= 4. Use AT Command =
1610	1610
1611	1611	== 4.1 Access AT Command ==
...	...	@@ -1615,10 +1615,6 @@
1615	1615	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.
1616	1616	)))
1617	1617
1618		-(((
1619		-
1620		-)))
1621		-
1622	1622	[[image:1653358238933-385.png]]
1623	1623
1624	1624
...	...	@@ -1937,8 +1937,6 @@
1937	1937	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1938	1938
1939	1939	**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.**
1940		-
1941		-
1942	1942	)))
1943	1943
1944	1944	(((
...	...	@@ -1945,9 +1945,6 @@
1945	1945	[[image:1653359097980-169.png||height="188" width="729"]]
1946	1946	)))
1947	1947
1948		-(((
1949		-
1950		-)))
1951	1951
1952	1952	=== 4.2.3 Change to Class A ===
1953	1953
...	...	@@ -1955,8 +1955,9 @@
1955	1955	(((
1956	1956	(% style="color:blue" %)**If sensor JOINED:**
1957	1957
1958		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1959		-ATZ**
	2005	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
	2006	+
	2007	+(% style="background-color:#dcdcdc" %)**ATZ**
1960	1960	)))
1961	1961
1962	1962
...	...	@@ -1986,7 +1986,7 @@
1986	1986
1987	1987	(((
1988	1988	(% 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]].
1989		-(% 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]].
	2037	+(% 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]].
1990	1990	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1991	1991
1992	1992
...	...	@@ -2009,7 +2009,6 @@
2009	2009
2010	2010	(% 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:
2011	2011
2012		-
2013	2013	[[image:1653360054704-518.png||height="186" width="745"]]
2014	2014
2015	2015
...	...	@@ -2073,13 +2073,21 @@
2073	2073
2074	2074	(((
2075	2075	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2123	+
2076	2076	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2125	+
2077	2077	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2127	+
2078	2078	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2129	+
2079	2079	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2131	+
2080	2080	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2133	+
2081	2081	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2135	+
2082	2082	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2137	+
2083	2083	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2084	2084	)))
2085	2085
...	...	@@ -2091,14 +2091,20 @@
2091	2091	[[image:1653360498588-932.png||height="485" width="726"]]
2092	2092
2093	2093
2094		-== 6.4 Can I see counting event in Serial? ==
	2149	+== 6.4 How to change the uplink interval? ==
2095	2095
2096	2096
	2152	+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/]]
	2153	+
	2154	+
	2155	+== 6.5 Can I see counting event in Serial? ==
	2156	+
	2157	+
2097	2097	(((
2098	2098	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.
2099	2099
2100	2100
2101		-== 6.5 Can i use point to point communication for LT-22222-L? ==
	2162	+== 6.6 Can i use point to point communication for LT-22222-L? ==
2102	2102
2103	2103
2104	2104	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]].
...	...	@@ -2107,7 +2107,7 @@
2107	2107	)))
2108	2108
2109	2109	(((
2110		-== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2171	+== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2111	2111
2112	2112
2113	2113	If the device is not shut down, but directly powered off.
...	...	@@ -2119,7 +2119,7 @@
2119	2119	After restart, the status before power failure will be read from flash.
2120	2120
2121	2121
2122		-== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2183	+== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2123	2123
2124	2124
2125	2125	LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
...	...	@@ -2128,12 +2128,18 @@
2128	2128	[[image:image-20221006170630-1.png||height="610" width="945"]]
2129	2129
2130	2130
2131		-== 6.8 Can LT22222-L save RO state? ==
	2192	+== 6.9 Can LT22222-L save RO state? ==
2132	2132
2133	2133
2134	2134	Firmware version needs to be no less than 1.6.0.
2135	2135
2136	2136
	2198	+== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
	2199	+
	2200	+
	2201	+It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
	2202	+
	2203	+
2137	2137	= 7. Trouble Shooting =
2138	2138	)))
2139	2139
...	...	@@ -2174,6 +2174,13 @@
2174	2174	)))
2175	2175
2176	2176
	2244	+== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
	2245	+
	2246	+
	2247	+The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
	2248	+Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
	2249	+
	2250	+
2177	2177	= 8. Order Info =
2178	2178
2179	2179
...	...	@@ -2191,8 +2191,6 @@
2191	2191	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2192	2192	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2193	2193
2194		-
2195		-
2196	2196	= 9. Packing Info =
2197	2197
2198	2198
...	...	@@ -2210,8 +2210,6 @@
2210	2210	* Package Size / pcs : 14.5 x 8 x 5 cm
2211	2211	* Weight / pcs : 170g
2212	2212
2213		-
2214		-
2215	2215	= 10. Support =
2216	2216
2217	2217
...	...	@@ -2219,7 +2219,7 @@
2219	2219	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.
2220	2220	)))
2221	2221	* (((
2222		-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]]
	2292	+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]]
2223	2223
2224	2224
2225	2225
...	...	@@ -2231,5 +2231,3 @@
2231	2231	* 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]]
2232	2232	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2233	2233	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2234		-
2235		-

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