Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 13 added, 0 removed)
  • lt-22222-join-network.png
  • lt-22222-l-dev-repo-p1.png
  • lt-22222-l-dev-repo-reg-p1.png
  • lt-22222-l-dev-repo-reg-p2.png
  • lt-22222-l-manually-p1.png
  • lt-22222-l-manually-p2.png
  • thingseye-io-step-1.png
  • thingseye-io-step-2.png
  • thingseye-io-step-3.png
  • thingseye-io-step-4.png
  • thingseye-io-step-5.png
  • thingseye-io-step-6.png
  • tts-mqtt-integration.png

Details

Page properties

Content

...	...	@@ -17,13 +17,13 @@
17	17
18	18
19	19
20		-= 1.Introduction =
	20	+= 1. Introduction =
21	21
22	22	== 1.1 What is the LT-22222-L I/O Controller? ==
23	23
24	24	(((
25	25	(((
26		-(% 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 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.
	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	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.
29	29	)))
...	...	@@ -33,18 +33,16 @@
33	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.
34	34	)))
35	35
36		-(((
37		-(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
38		-The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
39		-)))
	36	+> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
40	40
41	41	(((
42		-(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
43		-(% 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" %)You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
	39	+You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
44	44
45		-* (% 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" %)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.
46		-* (% 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" %)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.
47		-* (% 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" %)Setup your own private LoRaWAN network.
	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 a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
48	48	)))
49	49
50	50	(((
...	...	@@ -62,12 +62,12 @@
62	62	* Power Consumption:
63	63	** Idle: 4mA@12v
64	64	** 20dB Transmit: 34mA@12v
65		-* Operating Temperature: -40 ~~ 85 Degree, No Dew
	63	+* Operating Temperature: -40 ~~ 85 Degrees, No Dew
66	66
67	67	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
68	68
69	69	* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
70		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	68	+* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
71	71	* 2 x Relay Output (5A@250VAC / 30VDC)
72	72	* 2 x 0~~20mA Analog Input (res:0.01mA)
73	73	* 2 x 0~~30V Analog Input (res:0.01v)
...	...	@@ -80,7 +80,7 @@
80	80	** Band 2 (LF): 410 ~~ 528 Mhz
81	81	* 168 dB maximum link budget.
82	82	* +20 dBm - 100 mW constant RF output vs.
83		-* +14 dBm high efficiency PA.
	81	+* +14 dBm high-efficiency PA.
84	84	* Programmable bit rate up to 300 kbps.
85	85	* High sensitivity: down to -148 dBm.
86	86	* Bullet-proof front end: IIP3 = -12.5 dBm.
...	...	@@ -100,7 +100,7 @@
100	100	* Optional Customized LoRa Protocol
101	101	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
102	102	* AT Commands to change parameters
103		-* Remote configure parameters via LoRa Downlink
	101	+* Remotely configure parameters via LoRaWAN Downlink
104	104	* Firmware upgradable via program port
105	105	* Counting
106	106
...	...	@@ -130,17 +130,52 @@
130	130	* 1 x Counting Port
131	131	)))
132	132
133		-= 2. Powering ON the Device =
	131	+= 2. Assembling the Device =
134	134
135		-(% style="line-height:1.38" %)
136		-(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)The LT-22222-L controller can be powered by a 7–24V DC power source.
	133	+== 2.1 What is included in the package? ==
137	137
138		-* (% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)Connect VIN to Power Input V+ and GND to Power Input V- to power the LT-22222-L controller.
139		-* (% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)Connect the positive wire of the power supply to the VIN screw terminal and the negative wire to the GND screw terminal.
	135	+The package includes the following items:
140	140
141		-(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)The power indicator (PWR) LED will turn on when the device is properly powered.
	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
142	142
	142	+Attach the LoRaWAN antenna to the antenna connector, ANT,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise.
143	143
	144	+== 2.2 Terminals ==
	145	+
	146	+Upper screw terminal block (from left to right):
	147	+
	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 the LT-22222-L ==
	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 and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.
	175	+
	176	+
144	144	[[image:1653297104069-180.png]]
145	145
146	146
...	...	@@ -148,73 +148,87 @@
148	148
149	149	== 3.1 How does it work? ==
150	150
151		-(((
152		-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.
	184	+By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), 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.
153	153
154		-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.
155		-)))
	186	+For LT-22222-L, the LED will show the Join status: After powering on, the TX LED will fast-blink 5 times which means the LT-22222-L will enter the working mode and start to JOIN the LoRaWAN network. The TX LED will be on for 5 seconds after joining the network. When there is a message from the server, the RX LED will be on for 1 second.
156	156
157		-(((
158	158	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.
159		-)))
160	160
	190	+== 3.2 Registering with a LoRaWAN network server ==
161	161
162		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
163	163
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
164	164
165		-(((
166		-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 ===
167	167
168		-
169		-)))
	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.
170	170
171		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
172	172
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
173	173
174		-(((
175		-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) ===
176	176
177		-
178		-)))
	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 are available:
179	179
180		-(((
181		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
182		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
183	183
184		-(((
185		-Each LT is shipped with a sticker with the default device EUI as below:
186		-)))
	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 your device.
187	187
188		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
189	189
	220	+*
	221	+** Enter the **AppEUI** in the **JoinEUI** field and click the **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.
190	190
191		-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"]]
192	192
193		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
194	194
195		-[[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 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 the **Activation mode**
	238	+** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
196	196
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
197	197
198		-**Add APP KEY and DEV EUI**
199	199
200		-[[image:1653298023685-319.png]]
	243	+* Enter **AppEUI** in the **JoinEUI** field and click the **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.
201	201
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
202	202
203		-(((
204		-(% 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.
205	205
206		-
207		-)))
	252	+==== Joining ====
208	208
	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.
	255	+
209	209	[[image:1653298044601-602.png||height="405" width="709"]]
210	210
211	211
212		-== 3.3 Uplink Payload ==
	259	+== 3.3 Work Modes and their Uplink Payload formats ==
213	213
214	214
215		-There are five working modes + one interrupt mode on LT for different type application:
	262	+The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
216	216
217		-* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	264	+* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
218	218
219	219	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
220	220
...	...	@@ -228,9 +228,8 @@
228	228
229	229	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
230	230
231		-
232	232	(((
233		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	279	+The uplink payload is 11 bytes long. Uplink messages are sent over LoRaWAN FPort 2. By default, one uplink is sent every 10 minutes. (% style="display:none" wfd-invisible="true" %)
234	234
235	235	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
236	236	|(% 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**
...	...	@@ -242,29 +242,29 @@
242	242	ACI1 Current
243	243	)))|(((
244	244	ACI2 Current
245		-)))|DIDORO*|(((
	291	+)))|**DIDORO***|(((
246	246	Reserve
247	247	)))|MOD
248	248	)))
249	249
250	250	(((
251		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	297	+(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, and its size is1 byte long as shown below.
252	252
253	253	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
254		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
255		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	300	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	301	+|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
256	256	)))
257	257
258		-* RO is for relay. ROx=1 : close, ROx=0 always open.
259		-* DI is for digital input. DIx=1: high or float, DIx=0: low.
260		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	304	+* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
	305	+* DI is for digital input. DIx=1: HIGH or FLOATING, DIx=0: LOW.
	306	+* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
261	261
262		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	308	+(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
263	263
264		-For example if payload is: [[image:image-20220523175847-2.png]]
	310	+For example, if the payload is: [[image:image-20220523175847-2.png]]
265	265
266	266
267		-**The value for the interface is:  **
	313	+**The interface values can be calculated as follows:  **
268	268
269	269	AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
270	270
...	...	@@ -274,35 +274,32 @@
274	274
275	275	ACI2 channel current is 0x1300/1000=4.864mA
276	276
277		-The last byte 0xAA= 10101010(B) means
	323	+The last byte 0xAA= **10101010**(b) means,
278	278
279		-* [1] RO1 relay channel is close and the RO1 LED is ON.
280		-* [0] RO2 relay channel is open and RO2 LED is OFF;
	325	+* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
	326	+* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
	327	+* [1] DI3 - not used for LT-22222-L.
	328	+* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
	329	+* [1] DI1 channel input state:
	330	+** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
	331	+** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
	332	+** DI1 LED is ON in both cases.
	333	+* [0] DO3 - not used for LT-22222-L.
	334	+* [1] DO2 channel output is LOW, and the DO2 LED is ON.
	335	+* [0] DO1 channel output state:
	336	+** DO1 is FLOATING when there is no load between DO1 and V+.
	337	+** DO1 is HIGH when there is a load between DO1 and V+.
	338	+** DO1 LED is OFF in both cases.
281	281
282		-**LT22222-L:**
283		-
284		-* [1] DI2 channel is high input and DI2 LED is ON;
285		-* [0] DI1 channel is low input;
286		-
287		-* [0] DO3 channel output state
288		-** DO3 is float in case no load between DO3 and V+.;
289		-** DO3 is high in case there is load between DO3 and V+.
290		-** DO3 LED is off in both case
291		-* [1] DO2 channel output is low and DO2 LED is ON.
292		-* [0] DO1 channel output state
293		-** DO1 is float in case no load between DO1 and V+.;
294		-** DO1 is high in case there is load between DO1 and V+.
295		-** DO1 LED is off in both case
296		-
297	297	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
298	298
299	299
300	300	(((
301		-**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	344	+**For LT-22222-L**: In this mode, **DI1 and DI2** are used as counting pins.
302	302	)))
303	303
304	304	(((
305		-Total : 11 bytes payload
	348	+The uplink payload is 11 bytes long.
306	306
307	307	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
308	308	|(% 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**
...	...	@@ -312,26 +312,26 @@
312	312	)))
313	313
314	314	(((
315		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	358	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DO3, DO2 and DO1, and its size is 1 byte long as shown below.
316	316
317	317	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
318		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
319		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	361	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	362	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
320	320
321		-RO is for relay. ROx=1 : close , ROx=0 always open.
	364	+* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
322	322	)))
323	323
324		-* FIRST: Indicate this is the first packet after join network.
325		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	367	+* FIRST: Indicates that this is the first packet after joining the network.
	368	+* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
326	326
327	327	(((
328		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
	371	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
329	329
330	330
331	331	)))
332	332
333	333	(((
334		-**To use counting mode, please run:**
	377	+**To activate this mode, run the following AT commands:**
335	335	)))
336	336
337	337	(((
...	...	@@ -352,17 +352,17 @@
352	352	(((
353	353	**For LT22222-L:**
354	354
355		-(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
	398	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
356	356
357		-(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
	400	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
358	358
359		-(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
	402	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
360	360
361		-(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
	404	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
362	362
363		-(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	406	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
364	364
365		-(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
	408	+(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
366	366	)))
367	367
368	368
...	...	@@ -369,7 +369,7 @@
369	369	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
370	370
371	371
372		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	415	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
373	373
374	374	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
375	375	|(% 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**
...	...	@@ -380,24 +380,24 @@
380	380	)))|DIDORO*|Reserve|MOD
381	381
382	382	(((
383		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	426	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
384	384
385	385	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
386		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
387		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	429	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	430	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
388	388	)))
389	389
390		-* RO is for relay. ROx=1 : close, ROx=0 always open.
391		-* FIRST: Indicate this is the first packet after join network.
392		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	433	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	434	+* FIRST: Indicates that this is the first packet after joining the network.
	435	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
393	393
394	394	(((
395		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	438	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
396	396	)))
397	397
398	398
399	399	(((
400		-**To use counting mode, please run:**
	443	+**To activate this mode, run the following AT commands:**
401	401	)))
402	402
403	403	(((
...	...	@@ -410,7 +410,9 @@
410	410	)))
411	411
412	412	(((
413		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	456	+AT Commands for counting:
	457	+
	458	+The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
414	414	)))
415	415
416	416
...	...	@@ -418,11 +418,11 @@
418	418
419	419
420	420	(((
421		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	466	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
422	422	)))
423	423
424	424	(((
425		-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.
	470	+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.
426	426
427	427	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
428	428	|(% 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**
...	...	@@ -432,25 +432,25 @@
432	432	)))
433	433
434	434	(((
435		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	480	+(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
436	436
437	437	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
438		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
439		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	483	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	484	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
440	440	)))
441	441
442		-* RO is for relay. ROx=1 : close, ROx=0 always open.
443		-* FIRST: Indicate this is the first packet after join network.
444		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	487	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	488	+* FIRST: Indicates that this is the first packet after joining the network.
	489	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
445	445
446	446	(((
447		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	492	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
448	448
449	449
450	450	)))
451	451
452	452	(((
453		-**To use this mode, please run:**
	498	+**To activate this mode, run the following AT commands:**
454	454	)))
455	455
456	456	(((
...	...	@@ -463,19 +463,19 @@
463	463	)))
464	464
465	465	(((
466		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	511	+Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
467	467	)))
468	468
469	469	(((
470		-**Plus below command for AVI1 Counting:**
	515	+**In addition to that, below are the commands for AVI1 Counting:**
471	471
472		-(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
	517	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
473	473
474	474	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
475	475
476	476	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
477	477
478		-(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
	523	+(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
479	479	)))
480	480
481	481
...	...	@@ -482,7 +482,7 @@
482	482	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
483	483
484	484
485		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	530	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
486	486
487	487	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
488	488	|(% 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**
...	...	@@ -497,25 +497,25 @@
497	497	)))|MOD
498	498
499	499	(((
500		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	545	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
501	501
502	502	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
503		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	548	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
504	504	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
505	505	)))
506	506
507		-* RO is for relay. ROx=1 : close, ROx=0 always open.
508		-* FIRST: Indicate this is the first packet after join network.
	552	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	553	+* FIRST: Indicates that this is the first packet after joining the network.
509	509	* (((
510		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	555	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
511	511	)))
512	512
513	513	(((
514		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	559	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
515	515	)))
516	516
517	517	(((
518		-**To use this mode, please run:**
	563	+**To activate this mode, run the following AT commands:**
519	519	)))
520	520
521	521	(((
...	...	@@ -528,7 +528,7 @@
528	528	)))
529	529
530	530	(((
531		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	576	+Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
532	532	)))
533	533
534	534
...	...	@@ -535,49 +535,46 @@
535	535	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
536	536
537	537
538		-(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
	583	+(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
539	539
540		-For example, if user has configured below commands:
	585	+For example, if you configured the following commands:
541	541
542	542	* **AT+MOD=1 ** **~-~->**  The normal working mode
543		-* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
	588	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
544	544
545		-LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
	590	+The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
546	546
547		-1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
548		-1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
	592	+1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
	593	+1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
549	549
550	550	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
551	551
	597	+(% style="color:#4f81bd" %)**Trigger based on voltage**:
552	552
553		-(% style="color:#4f81bd" %)**Trigger base on voltage**:
554		-
555	555	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
556	556
557	557
558	558	**Example:**
559	559
560		-AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
	604	+AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
561	561
562		-AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
	606	+AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
563	563
564	564
	609	+(% style="color:#4f81bd" %)**Trigger based on current**:
565	565
566		-(% style="color:#4f81bd" %)**Trigger base on current**:
567		-
568	568	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
569	569
570	570
571	571	**Example:**
572	572
573		-AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
	616	+AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
574	574
575	575
	619	+(% style="color:#4f81bd" %)**Trigger based on DI status**:
576	576
577		-(% style="color:#4f81bd" %)**Trigger base on DI status**:
	621	+DI status triggers Flag.
578	578
579		-DI status trigger Flag.
580		-
581	581	Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
582	582
583	583
...	...	@@ -586,39 +586,38 @@
586	586	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
587	587
588	588
589		-(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
	631	+(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
590	590
591	591	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
592	592
593	593	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
594	594
595		- AA: Code for this downlink Command:
	637	+ AA: Type Code for this downlink Command:
596	596
597		- xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
	639	+ xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
598	598
599		- yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
	641	+ yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
600	600
601		- yy2 yy2: AC1 or AV1 high limit.
	643	+ yy2 yy2: AC1 or AV1 HIGH limit.
602	602
603		- yy3 yy3: AC2 or AV2 low limit.
	645	+ yy3 yy3: AC2 or AV2 LOW limit.
604	604
605		- Yy4 yy4: AC2 or AV2 high limit.
	647	+ Yy4 yy4: AC2 or AV2 HIGH limit.
606	606
607	607
608		-**Example1**: AA 00 13 88 00 00 00 00 00 00
	650	+**Example 1**: AA 00 13 88 00 00 00 00 00 00
609	609
610		-Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
	652	+Same as AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0s for parameters that are not in use)
611	611
612	612
613		-**Example2**: AA 02 01 00
	655	+**Example 2**: AA 02 01 00
614	614
615		-Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
	657	+Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
616	616
617	617
618		-
619	619	(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
620	620
621		-MOD6 Payload : total 11 bytes payload
	662	+MOD6 Payload: total of 11 bytes
622	622
623	623	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
624	624	|(% 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**
...	...	@@ -632,10 +632,10 @@
632	632	MOD(6)
633	633	)))
634	634
635		-(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
	676	+(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
636	636
637	637	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
638		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	679	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
639	639	|(((
640	640	AV1_LOW
641	641	)))|(((
...	...	@@ -654,17 +654,17 @@
654	654	AC2_HIGH
655	655	)))
656	656
657		-* Each bits shows if the corresponding trigger has been configured.
	698	+* Each bit shows if the corresponding trigger has been configured.
658	658
659	659	**Example:**
660	660
661		-10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
	702	+10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
662	662
663	663
664		-(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
	705	+(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
665	665
666	666	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
667		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	708	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
668	668	|(((
669	669	AV1_LOW
670	670	)))|(((
...	...	@@ -683,11 +683,11 @@
683	683	AC2_HIGH
684	684	)))
685	685
686		-* Each bits shows which status has been trigger on this uplink.
	727	+* Each bit shows which status has been triggered on this uplink.
687	687
688	688	**Example:**
689	689
690		-10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
	731	+10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
691	691
692	692
693	693	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
...	...	@@ -696,7 +696,7 @@
696	696	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
697	697	|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
698	698
699		-* Each bits shows which status has been trigger on this uplink.
	740	+* Each bits shows which status has been triggered on this uplink.
700	700
701	701	**Example:**
702	702
...	...	@@ -723,11 +723,11 @@
723	723	)))
724	724
725	725
726		-== 3.4 ​Configure LT via AT or Downlink ==
	767	+== 3.4 ​Configure LT via AT Commands or Downlinks ==
727	727
728	728
729	729	(((
730		-User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	771	+User can configure LT I/O Controller via AT Commands or LoRaWAN Downlinks.
731	731	)))
732	732
733	733	(((
...	...	@@ -742,9 +742,8 @@
742	742
743	743	=== 3.4.1 Common Commands ===
744	744
745		-
746	746	(((
747		-They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	787	+These commands should be available for all Dragino sensors, such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]].
748	748	)))
749	749
750	750
...	...	@@ -752,34 +752,37 @@
752	752
753	753	==== 3.4.2.1 Set Transmit Interval ====
754	754
	795	+Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
755	755
756		-Set device uplink interval.
	797	+* (% style="color:#037691" %)**AT command:**
757	757
758		-* (% style="color:#037691" %)**AT Command:**
	799	+(% style="color:blue" %)**AT+TDC=N**
759	759
760		-(% style="color:blue" %)**AT+TDC=N **
	801	+where N is the time in milliseconds.
761	761
	803	+**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
762	762
763		-**Example: **AT+TDC=30000. Means set interval to 30 seconds
764	764
	806	+* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
765	765
766		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
767		-
768	768	(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
769	769
770	770
771	771
772		-==== 3.4.2.2 Set Work Mode (AT+MOD) ====
	812	+==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
773	773
774	774
775		-Set work mode.
	815	+Sets the work mode.
776	776
777		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	817	+* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
778	778
779		-**Example**: AT+MOD=2. Set work mode to Double DI counting mode
	819	+Where N is the work mode.
780	780
781		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
	821	+**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
782	782
	823	+
	824	+* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
	825	+
783	783	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
784	784
785	785
...	...	@@ -787,10 +787,12 @@
787	787	==== 3.4.2.3 Poll an uplink ====
788	788
789	789
790		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	833	+Asks the device to send an uplink.
791	791
792		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
	835	+* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
793	793
	837	+* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
	838	+
794	794	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
795	795
796	796	**Example**: 0x08FF, ask device to send an Uplink
...	...	@@ -797,16 +797,16 @@
797	797
798	798
799	799
800		-==== 3.4.2.4 Enable Trigger Mode ====
	845	+==== 3.4.2.4 Enable/Disable Trigger Mode ====
801	801
802	802
803		-Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	848	+Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
804	804
805	805	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
806	806
807		-(% style="color:red" %)**1:** (%%)Enable Trigger Mode
	852	+(% style="color:red" %)**1:** (%%)Enable the trigger mode
808	808
809		-(% style="color:red" %)**0: **(%%)Disable Trigger Mode
	854	+(% style="color:red" %)**0: **(%%)Disable the trigger mode
810	810
811	811
812	812	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
...	...	@@ -818,7 +818,7 @@
818	818	==== 3.4.2.5 Poll trigger settings ====
819	819
820	820
821		-Poll trigger settings
	866	+Polls the trigger settings
822	822
823	823	* (% style="color:#037691" %)**AT Command:**
824	824
...	...	@@ -826,7 +826,7 @@
826	826
827	827	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
828	828
829		-(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	874	+(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
830	830
831	831
832	832
...	...	@@ -833,11 +833,11 @@
833	833	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
834	834
835	835
836		-Enable Disable DI1/DI2/DI2 as trigger,
	881	+Enable or Disable DI1/DI2/DI2 as trigger,
837	837
838	838	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
839	839
840		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	885	+**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
841	841
842	842
843	843	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
...	...	@@ -869,15 +869,15 @@
869	869	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
870	870
871	871
872		-Set DI2 trigger.
	917	+Sets DI2 trigger.
873	873
874	874	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
875	875
876		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	921	+(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
877	877
878	878	(% style="color:red" %)**b :** (%%)delay timing.
879	879
880		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	925	+**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
881	881
882	882
883	883	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
...	...	@@ -915,7 +915,7 @@
915	915	==== 3.4.2.11 Trigger – Set minimum interval ====
916	916
917	917
918		-Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
	963	+Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
919	919
920	920	* (% 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.
921	921
...	...	@@ -1063,7 +1063,7 @@
1063	1063	)))
1064	1064
1065	1065	(((
1066		-00: Close ,  01: Open , 11: No action
	1111	+00: Closed ,  01: Open , 11: No action
1067	1067
1068	1068	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1069	1069	|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
...	...	@@ -1185,7 +1185,7 @@
1185	1185
1186	1186
1187	1187
1188		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
	1233	+==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1189	1189
1190	1190
1191	1191	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1306,74 +1306,131 @@
1306	1306	[[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"]]
1307	1307
1308	1308
1309		-== 3.5 Integrate with Mydevice ==
	1354	+== 3.5 Integrating with ThingsEye.io ==
1310	1310
	1356	+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.
1311	1311
1312		-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:
	1358	+=== 3.5.1 Configuring MQTT Connection Information with The Things Stack Sandbox ===
1313	1313
1314		-(((
1315		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1316		-)))
	1360	+* In **The Things Stack Sandbox**, select your application under **Applications**.
	1361	+* Select **MQTT** under **Integrations**.
	1362	+* In the **Connection information **section, for **Username**, The Things Stack displays an auto-generated username. You can use it or provide a new one.
	1363	+* For the **Password**, click the **Generate new API key** button to generate a password. You can see it by clicking on the **eye** button.
1317	1317
1318		-(((
1319		-(% 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:
	1365	+[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1320	1320
1321		-
1322		-)))
	1367	+=== 3.5.2 Configuring ThingsEye.io ===
1323	1323
1324		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1369	+* Login to your [[ThingsEye.io >>https://thingseye.io]]account.
	1370	+* Under the **Integrations center**, click **Integrations**.
	1371	+* Click the **Add integration** button (the button with the **+** symbol).
1325	1325
	1373	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1326	1326
1327	1327
1328		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1376	+On the **Add integration** window, configure the following:
1329	1329
	1378	+~1. **Basic settings:**
1330	1330
1331		-(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
	1380	+* Select **The Things Stack Community** from the **Integration type** list.
	1381	+* Enter a suitable name for your integration in the **Name **text** **box or keep the default name.
	1382	+* Ensure the following options are turned on.
	1383	+** Enable integration
	1384	+** Debug mode
	1385	+** Allow create devices or assets
	1386	+* Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
1332	1332
1333		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1388	+[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1334	1334
1335		-Search under The things network
1336	1336
1337		-[[image:1653356838789-523.png||height="337" width="740"]]
	1391	+2. **Uplink data converter:**
1338	1338
	1393	+* Click the **Create new** button if it is not selected by default.
	1394	+* Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name.
	1395	+* Click the **JavaScript** button.
	1396	+* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].
	1397	+* Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
1339	1339
1340		-After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	1399	+[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1341	1341
1342		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1401	+3.** Downlink data converter (this is an optional step):**
1343	1343
	1403	+* Click the **Create new** button if it is not selected by default.
	1404	+* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name
	1405	+* Click the **JavaScript** button.
	1406	+* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1407	+* Click the **Next** button. You will be navigated to the **Connection** tab.
1344	1344
1345		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1409	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1346	1346
	1411	+4. **Connection:**
1347	1347
1348		-[[image:image-20220524094909-3.png||height="338" width="727"]]
	1413	+* Choose **Region** from the **Host type**.
	1414	+* Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...).
	1415	+* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The username and password can be found on the MQTT integration page of your The Things Stack account (see Configuring MQTT Connection information with The Things Stack Sandbox).
	1416	+* Click the **Check connection** button to test the connection. If the connection is successful, you can see the message saying **Connected**.
	1417	+* Click the **Add** button.
1349	1349
	1419	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1350	1350
1351		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1352	1352
	1422	+Your integration is added to the** Integrations** list and it will display on the **Integrations** page. Check whether the status is showing as 'Active'. if not, check your configuration settings again.
1353	1353
1354		-[[image:image-20220524094909-5.png||height="341" width="734"]]
	1424	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1355	1355
1356	1356
1357		-== 3.6 Interface Detail ==
	1427	+Viewing integration details:
1358	1358
	1429	+Click on the your integration from the list. The Integration details window will appear with the Details tab selected. The Details tab shows all the settings you have provided for this integration.
	1430	+
	1431	+[add image here]
	1432	+
	1433	+If you want to edit the settings you have provided, click on the Toggle edit mode button.
	1434	+
	1435	+[add image here]
	1436	+
	1437	+Once you have done click on the Apply changes button.
	1438	+
	1439	+Note: See also ThingsEye documentation.
	1440	+
	1441	+Click on the Events tab.
	1442	+
	1443	+- Select Debug from the Event type dropdown.
	1444	+
	1445	+- Select the time frame from the time window.
	1446	+
	1447	+[insert image]
	1448	+
	1449	+- To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
	1450	+
	1451	+[insert image]
	1452	+
	1453	+
	1454	+Deleting the integration:
	1455	+
	1456	+If you want to delete this integration, click the Delete integration button.
	1457	+
	1458	+
	1459	+== 3.6 Interface Details ==
	1460	+
1359	1359	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1360	1360
1361	1361
1362		-Support NPN Type sensor
	1464	+Support NPN-type sensor
1363	1363
1364	1364	[[image:1653356991268-289.png]]
1365	1365
1366	1366
1367		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
	1469	+=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1368	1368
1369	1369
1370	1370	(((
1371		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1473	+The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1372	1372	)))
1373	1373
1374	1374	(((
1375	1375	(((
1376		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
	1478	+The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH and the DI LED status changes.
1377	1377
1378	1378
1379	1379	)))
...	...	@@ -1383,7 +1383,7 @@
1383	1383
1384	1384	(((
1385	1385	(((
1386		-When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1488	+(% 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" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1387	1387	)))
1388	1388	)))
1389	1389
...	...	@@ -1392,22 +1392,22 @@
1392	1392	)))
1393	1393
1394	1394	(((
1395		-(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
	1497	+(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1396	1396	)))
1397	1397
1398	1398	(((
1399		-This type of sensor will output a low signal GND when active.
	1501	+This type of sensor outputs a low (GND) signal when active.
1400	1400	)))
1401	1401
1402	1402	* (((
1403		-Connect sensor's output to DI1-
	1505	+Connect the sensor's output to DI1-
1404	1404	)))
1405	1405	* (((
1406		-Connect sensor's VCC to DI1+.
	1508	+Connect the sensor's VCC to DI1+.
1407	1407	)))
1408	1408
1409	1409	(((
1410		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
	1512	+When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1411	1411	)))
1412	1412
1413	1413	(((
...	...	@@ -1415,7 +1415,7 @@
1415	1415	)))
1416	1416
1417	1417	(((
1418		-If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
	1520	+For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
1419	1419	)))
1420	1420
1421	1421	(((
...	...	@@ -1423,22 +1423,22 @@
1423	1423	)))
1424	1424
1425	1425	(((
1426		-(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
	1528	+(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1427	1427	)))
1428	1428
1429	1429	(((
1430		-This type of sensor will output a high signal (example 24v) when active.
	1532	+This type of sensor outputs a high signal (e.g., 24V) when active.
1431	1431	)))
1432	1432
1433	1433	* (((
1434		-Connect sensor's output to DI1+
	1536	+Connect the sensor's output to DI1+
1435	1435	)))
1436	1436	* (((
1437		-Connect sensor's GND DI1-.
	1539	+Connect the sensor's GND DI1-.
1438	1438	)))
1439	1439
1440	1440	(((
1441		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1543	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1442	1442	)))
1443	1443
1444	1444	(((
...	...	@@ -1446,7 +1446,7 @@
1446	1446	)))
1447	1447
1448	1448	(((
1449		-If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
	1551	+If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] is 24mA, Therefore, the LT-22222-L will detect this high-active signal.
1450	1450	)))
1451	1451
1452	1452	(((
...	...	@@ -1454,22 +1454,22 @@
1454	1454	)))
1455	1455
1456	1456	(((
1457		-(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
	1559	+(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1458	1458	)))
1459	1459
1460	1460	(((
1461		-Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1563	+Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler
1462	1462	)))
1463	1463
1464	1464	* (((
1465		-Connect sensor's output to DI1+ with a serial 50K resistor
	1567	+Connect the sensor's output to DI1+ with a 50K resistor in series.
1466	1466	)))
1467	1467	* (((
1468		-Connect sensor's GND DI1-.
	1570	+Connect the sensor's GND DI1-.
1469	1469	)))
1470	1470
1471	1471	(((
1472		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1574	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1473	1473	)))
1474	1474
1475	1475	(((
...	...	@@ -1477,37 +1477,37 @@
1477	1477	)))
1478	1478
1479	1479	(((
1480		-If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
	1582	+If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" wfd-invisible="true" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
1481	1481	)))
1482	1482
1483	1483
1484		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1586	+(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1485	1485
1486		-From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
	1588	+From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
1487	1487
1488		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1590	+To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1489	1489
1490	1490	[[image:image-20230616235145-1.png]]
1491	1491
1492		-(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1594	+(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1493	1493
1494	1494	[[image:image-20240219115718-1.png]]
1495	1495
1496	1496
1497		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1599	+=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1498	1498
1499	1499
1500		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1602	+(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1501	1501
1502		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
	1604	+(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1503	1503
1504	1504	[[image:1653357531600-905.png]]
1505	1505
1506	1506
1507		-=== 3.6.4 Analog Input Interface ===
	1609	+=== 3.6.4 Analog Input Interfaces ===
1508	1508
1509	1509
1510		-The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
	1612	+The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1511	1511
1512	1512
1513	1513	(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
...	...	@@ -1514,14 +1514,14 @@
1514	1514
1515	1515	[[image:1653357592296-182.png]]
1516	1516
1517		-Example to connect a 4~~20mA sensor
	1619	+Example: Connecting a 4~~20mA sensor
1518	1518
1519		-We take the wind speed sensor as an example for reference only.
	1621	+We will use the wind speed sensor as an example for reference only.
1520	1520
1521	1521
1522	1522	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1523	1523
1524		-(% style="color:red" %)**Red:  12~~24v**
	1626	+(% style="color:red" %)**Red:  12~~24V**
1525	1525
1526	1526	(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1527	1527
...	...	@@ -1534,7 +1534,7 @@
1534	1534	[[image:1653357648330-671.png||height="155" width="733"]]
1535	1535
1536	1536
1537		-Example connected to a regulated power supply to measure voltage
	1639	+Example: Connecting to a regulated power supply to measure voltage
1538	1538
1539	1539	[[image:image-20230608101532-1.png||height="606" width="447"]]
1540	1540
...	...	@@ -1543,7 +1543,7 @@
1543	1543	[[image:image-20230608101722-3.png||height="102" width="1139"]]
1544	1544
1545	1545
1546		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1648	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1547	1547
1548	1548	(% style="color:red" %)**Red:  12~~24v**
1549	1549
...	...	@@ -1554,9 +1554,9 @@
1554	1554
1555	1555
1556	1556	(((
1557		-The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
	1659	+The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1558	1558
1559		-**Note**: RO pins go to Open(NO) when device is power off.
	1661	+**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1560	1560	)))
1561	1561
1562	1562	[[image:image-20220524100215-9.png]]
...	...	@@ -1584,25 +1584,25 @@
1584	1584	Transmit a LoRa packet: TX blinks once
1585	1585	)))
1586	1586	)))
1587		-|**RX**|RX blinks once when receive a packet.
1588		-|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1589		-|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
	1689	+|**RX**|RX blinks once when receiving a packet.
	1690	+|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
	1691	+|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1590	1590	|**DI1**|(((
1591		-For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
	1693	+For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1592	1592	)))
1593	1593	|**DI2**|(((
1594		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1696	+For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1595	1595	)))
1596		-|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1597		-|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
	1698	+|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
	1699	+|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1598	1598
1599		-= 4. Use AT Command =
	1701	+= 4. Using AT Command =
1600	1600
1601		-== 4.1 Access AT Command ==
	1703	+== 4.1 Connecting the LT-22222-L to a computer ==
1602	1602
1603	1603
1604	1604	(((
1605		-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.
	1707	+The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1606	1606	)))
1607	1607
1608	1608	[[image:1653358238933-385.png]]
...	...	@@ -1609,7 +1609,7 @@
1609	1609
1610	1610
1611	1611	(((
1612		-In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
	1714	+On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) to a baud rate of (% style="color:green" %)**9600**(%%) to access to access serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1613	1613	)))
1614	1614
1615	1615	[[image:1653358355238-883.png]]
...	...	@@ -1616,10 +1616,12 @@
1616	1616
1617	1617
1618	1618	(((
1619		-More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1721	+You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1620	1620	)))
1621	1621
1622	1622	(((
	1725	+The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
	1726	+
1623	1623	AT+<CMD>?        : Help on <CMD>
1624	1624	)))
1625	1625
...	...	@@ -1944,10 +1944,10 @@
1944	1944
1945	1945	= 5. Case Study =
1946	1946
1947		-== 5.1 Counting how many objects pass in Flow Line ==
	2051	+== 5.1 Counting how many objects pass through the flow Line ==
1948	1948
1949	1949
1950		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
	2054	+Reference Link: [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
1951	1951
1952	1952
1953	1953	= 6. FAQ =
...	...	@@ -1955,26 +1955,26 @@
1955	1955	== 6.1 How to upgrade the image? ==
1956	1956
1957	1957
1958		-The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
	2062	+The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
1959	1959
1960		-* Support new features
1961		-* For bug fix
	2064	+* Support new features.
	2065	+* Fix bugs.
1962	1962	* Change LoRaWAN bands.
1963	1963
1964		-Below shows the hardware connection for how to upload an image to the LT:
	2068	+Below is the hardware connection setup for uploading an image to the LT:
1965	1965
1966	1966	[[image:1653359603330-121.png]]
1967	1967
1968	1968
1969	1969	(((
1970		-(% 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]].
1971		-(% 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]].
1972		-(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
	2074	+(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash 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]].
	2075	+(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
	2076	+(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
1973	1973
1974	1974
1975	1975	(((
1976	1976	(% style="color:blue" %)**For LT-22222-L**(%%):
1977		-Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
	2081	+Hold down the PRO button, then momentarily press the RST reset button. The (% style="color:red" %)**DO1 LED**(%%) will change from OFF to ON. When the (% style="color:red" %)**DO1 LED**(%%) is ON, it indicates that the device is in download mode.
1978	1978	)))
1979	1979
1980	1980
...	...	@@ -1989,7 +1989,7 @@
1989	1989	[[image:image-20220524104033-15.png]]
1990	1990
1991	1991
1992		-(% 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:
	2096	+(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
1993	1993
1994	1994	[[image:1653360054704-518.png||height="186" width="745"]]
1995	1995
...	...	@@ -2003,13 +2003,13 @@
2003	2003	)))
2004	2004
2005	2005	(((
2006		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	2110	+You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2007	2007	)))
2008	2008
2009	2009	(((
2010	2010
2011	2011
2012		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2116	+== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2013	2013
2014	2014
2015	2015	)))
...	...	@@ -2016,13 +2016,13 @@
2016	2016
2017	2017	(((
2018	2018	(((
2019		-In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	2123	+In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2020	2020	)))
2021	2021	)))
2022	2022
2023	2023	(((
2024	2024	(((
2025		-Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	2129	+Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2026	2026
2027	2027
2028	2028	)))
...	...	@@ -2029,7 +2029,7 @@
2029	2029	)))
2030	2030
2031	2031	(((
2032		-(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	2136	+(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2033	2033
2034	2034
2035	2035	)))
...	...	@@ -2086,7 +2086,7 @@
2086	2086	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/]]
2087	2087
2088	2088
2089		-== 6.5 Can I see counting event in Serial? ==
	2193	+== 6.5 Can I see the counting event in Serial? ==
2090	2090
2091	2091
2092	2092	(((
...	...	@@ -2093,10 +2093,10 @@
2093	2093	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.
2094	2094
2095	2095
2096		-== 6.6 Can i use point to point communication for LT-22222-L? ==
	2200	+== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2097	2097
2098	2098
2099		-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]].
	2203	+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]].
2100	2100
2101	2101
2102	2102	)))