Summary

• Page properties (2 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

Author

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

Content

...	...	@@ -17,38 +17,32 @@
17	17
18	18
19	19
20		-= 1.Introduction =
	20	+= 1. Introduction =
21	21
22		-== 1.1 What is LT Series I/O Controller ==
	22	+== 1.1 What is the LT-22222-L I/O Controller? ==
23	23
24	24	(((
25		-
26		-
27	27	(((
28		-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.
29		-)))
30		-)))
	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.
31	31
32		-(((
33		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	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.
34	34	)))
35		-
36		-(((
37		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
38	38	)))
39	39
40	40	(((
41		-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.
42	42	)))
43	43
44		-(((
45		-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.
46		-)))
	36	+> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
47	47
48	48	(((
49		-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:
50	50
51		-
	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.
52	52	)))
53	53
54	54	(((
...	...	@@ -66,12 +66,12 @@
66	66	* Power Consumption:
67	67	** Idle: 4mA@12v
68	68	** 20dB Transmit: 34mA@12v
69		-* Operating Temperature: -40 ~~ 85 Degree, No Dew
	63	+* Operating Temperature: -40 ~~ 85 Degrees, No Dew
70	70
71	71	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
72	72
73	73	* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
74		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	68	+* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
75	75	* 2 x Relay Output (5A@250VAC / 30VDC)
76	76	* 2 x 0~~20mA Analog Input (res:0.01mA)
77	77	* 2 x 0~~30V Analog Input (res:0.01v)
...	...	@@ -84,7 +84,7 @@
84	84	** Band 2 (LF): 410 ~~ 528 Mhz
85	85	* 168 dB maximum link budget.
86	86	* +20 dBm - 100 mW constant RF output vs.
87		-* +14 dBm high efficiency PA.
	81	+* +14 dBm high-efficiency PA.
88	88	* Programmable bit rate up to 300 kbps.
89	89	* High sensitivity: down to -148 dBm.
90	90	* Bullet-proof front end: IIP3 = -12.5 dBm.
...	...	@@ -104,7 +104,7 @@
104	104	* Optional Customized LoRa Protocol
105	105	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
106	106	* AT Commands to change parameters
107		-* Remote configure parameters via LoRa Downlink
	101	+* Remotely configure parameters via LoRaWAN Downlink
108	108	* Firmware upgradable via program port
109	109	* Counting
110	110
...	...	@@ -134,85 +134,140 @@
134	134	* 1 x Counting Port
135	135	)))
136	136
137		-= 2. Power ON Device =
	131	+= 2. Assembling the Device =
138	138
139		-The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
	133	+== 2.1 What is included in the package? ==
140	140
141		-PWR will on when device is properly powered.
	135	+The package includes the following items:
142	142
	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
	141	+
	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	+
	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	+
143	143	[[image:1653297104069-180.png]]
144	144
145	145
146	146	= 3. Operation Mode =
147	147
148		-== 3.1 How it works? ==
	182	+== 3.1 How does it work? ==
149	149
	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.
150	150
151		-(((
152		-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.
153		-)))
	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.
154	154
155		-(((
156		-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.
157		-)))
	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.
158	158
	190	+== 3.2 Registering with a LoRaWAN network server ==
159	159
160		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
161	161
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
162	162
163		-(((
164		-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 ===
165	165
166		-
167		-)))
	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.
168	168
169		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
170	170
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
171	171
172		-(((
173		-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) ===
174	174
175		-
176		-)))
	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:
177	177
178		-(((
179		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
180		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
181	181
182		-(((
183		-Each LT is shipped with a sticker with the default device EUI as below:
184		-)))
	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.
185	185
186		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
187	187
	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.
188	188
189		-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"]]
190	190
191		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
192	192
193		-[[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**.
194	194
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
195	195
196		-**Add APP KEY and DEV EUI**
197	197
198		-[[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.
199	199
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
200	200
201		-(((
202		-(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
203	203
204		-
205		-)))
	252	+==== Joining ====
206	206
	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	+
207	207	[[image:1653298044601-602.png||height="405" width="709"]]
208	208
209	209
210		-== 3.3 Uplink Payload ==
	259	+== 3.3 Work Modes and their Uplink Payload formats ==
211	211
212	212
213		-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.
214	214
215		-* (% 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
216	216
217	217	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
218	218
...	...	@@ -226,9 +226,8 @@
226	226
227	227	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
228	228
229		-
230	230	(((
231		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	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" %)
232	232
233	233	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
234	234	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -240,29 +240,29 @@
240	240	ACI1 Current
241	241	)))|(((
242	242	ACI2 Current
243		-)))|DIDORO*|(((
	291	+)))|**DIDORO***|(((
244	244	Reserve
245	245	)))|MOD
246	246	)))
247	247
248	248	(((
249		-(% 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.
250	250
251	251	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
252		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
253		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	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
254	254	)))
255	255
256		-* RO is for relay. ROx=1 : close, ROx=0 always open.
257		-* DI is for digital input. DIx=1: high or float, DIx=0: low.
258		-* 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.
259	259
260		-(% 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**
261	261
262		-For example if payload is: [[image:image-20220523175847-2.png]]
	310	+For example, if the payload is: [[image:image-20220523175847-2.png]]
263	263
264	264
265		-**The value for the interface is:  **
	313	+**The interface values can be calculated as follows:  **
266	266
267	267	AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
268	268
...	...	@@ -272,35 +272,32 @@
272	272
273	273	ACI2 channel current is 0x1300/1000=4.864mA
274	274
275		-The last byte 0xAA= 10101010(B) means
	323	+The last byte 0xAA= **10101010**(b) means,
276	276
277		-* [1] RO1 relay channel is close and the RO1 LED is ON.
278		-* [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.
279	279
280		-**LT22222-L:**
281		-
282		-* [1] DI2 channel is high input and DI2 LED is ON;
283		-* [0] DI1 channel is low input;
284		-
285		-* [0] DO3 channel output state
286		-** DO3 is float in case no load between DO3 and V+.;
287		-** DO3 is high in case there is load between DO3 and V+.
288		-** DO3 LED is off in both case
289		-* [1] DO2 channel output is low and DO2 LED is ON.
290		-* [0] DO1 channel output state
291		-** DO1 is float in case no load between DO1 and V+.;
292		-** DO1 is high in case there is load between DO1 and V+.
293		-** DO1 LED is off in both case
294		-
295	295	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
296	296
297	297
298	298	(((
299		-**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.
300	300	)))
301	301
302	302	(((
303		-Total : 11 bytes payload
	348	+The uplink payload is 11 bytes long.
304	304
305	305	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
306	306	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -310,26 +310,26 @@
310	310	)))
311	311
312	312	(((
313		-(% 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.
314	314
315	315	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
316		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
317		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	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
318	318
319		-RO is for relay. ROx=1 : close , ROx=0 always open.
	364	+* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
320	320	)))
321	321
322		-* FIRST: Indicate this is the first packet after join network.
323		-* 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.
324	324
325	325	(((
326		-(% 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**
327	327
328	328
329	329	)))
330	330
331	331	(((
332		-**To use counting mode, please run:**
	377	+**To activate this mode, run the following AT commands:**
333	333	)))
334	334
335	335	(((
...	...	@@ -350,17 +350,17 @@
350	350	(((
351	351	**For LT22222-L:**
352	352
353		-(% 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) **
354	354
355		-(% 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) **
356	356
357		-(% 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) **
358	358
359		-(% 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) **
360	360
361		-(% 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)**
362	362
363		-(% 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)**
364	364	)))
365	365
366	366
...	...	@@ -367,7 +367,7 @@
367	367	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
368	368
369	369
370		-**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.
371	371
372	372	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
373	373	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -378,24 +378,24 @@
378	378	)))|DIDORO*|Reserve|MOD
379	379
380	380	(((
381		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	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.
382	382
383	383	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
384		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
385		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	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
386	386	)))
387	387
388		-* RO is for relay. ROx=1 : close, ROx=0 always open.
389		-* FIRST: Indicate this is the first packet after join network.
390		-* 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.
391	391
392	392	(((
393		-(% 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.**
394	394	)))
395	395
396	396
397	397	(((
398		-**To use counting mode, please run:**
	443	+**To activate this mode, run the following AT commands:**
399	399	)))
400	400
401	401	(((
...	...	@@ -408,7 +408,9 @@
408	408	)))
409	409
410	410	(((
411		-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.
412	412	)))
413	413
414	414
...	...	@@ -416,11 +416,11 @@
416	416
417	417
418	418	(((
419		-**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.
420	420	)))
421	421
422	422	(((
423		-The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
	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.
424	424
425	425	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
426	426	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -430,25 +430,25 @@
430	430	)))
431	431
432	432	(((
433		-(% 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.
434	434
435	435	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
436		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
437		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	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
438	438	)))
439	439
440		-* RO is for relay. ROx=1 : close, ROx=0 always open.
441		-* FIRST: Indicate this is the first packet after join network.
442		-* 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.
443	443
444	444	(((
445		-(% 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.**
446	446
447	447
448	448	)))
449	449
450	450	(((
451		-**To use this mode, please run:**
	498	+**To activate this mode, run the following AT commands:**
452	452	)))
453	453
454	454	(((
...	...	@@ -461,19 +461,19 @@
461	461	)))
462	462
463	463	(((
464		-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.
465	465	)))
466	466
467	467	(((
468		-**Plus below command for AVI1 Counting:**
	515	+**In addition to that, below are the commands for AVI1 Counting:**
469	469
470		-(% 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)**
471	471
472	472	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
473	473
474	474	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
475	475
476		-(% 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)**
477	477	)))
478	478
479	479
...	...	@@ -480,7 +480,7 @@
480	480	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
481	481
482	482
483		-**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.
484	484
485	485	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
486	486	|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
...	...	@@ -495,25 +495,25 @@
495	495	)))|MOD
496	496
497	497	(((
498		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	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.
499	499
500	500	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
501		-|**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**
502	502	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
503	503	)))
504	504
505		-* RO is for relay. ROx=1 : close, ROx=0 always open.
506		-* 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.
507	507	* (((
508		-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.
509	509	)))
510	510
511	511	(((
512		-(% 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.**
513	513	)))
514	514
515	515	(((
516		-**To use this mode, please run:**
	563	+**To activate this mode, run the following AT commands:**
517	517	)))
518	518
519	519	(((
...	...	@@ -526,7 +526,7 @@
526	526	)))
527	527
528	528	(((
529		-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.
530	530	)))
531	531
532	532
...	...	@@ -533,49 +533,46 @@
533	533	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
534	534
535	535
536		-(% 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.**
537	537
538		-For example, if user has configured below commands:
	585	+For example, if you configured the following commands:
539	539
540	540	* **AT+MOD=1 ** **~-~->**  The normal working mode
541		-* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
	588	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
542	542
543		-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:
544	544
545		-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
546		-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.**
547	547
548	548	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
549	549
	597	+(% style="color:#4f81bd" %)**Trigger based on voltage**:
550	550
551		-(% style="color:#4f81bd" %)**Trigger base on voltage**:
552		-
553	553	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
554	554
555	555
556	556	**Example:**
557	557
558		-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)
559	559
560		-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)
561	561
562	562
	609	+(% style="color:#4f81bd" %)**Trigger based on current**:
563	563
564		-(% style="color:#4f81bd" %)**Trigger base on current**:
565		-
566	566	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
567	567
568	568
569	569	**Example:**
570	570
571		-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)
572	572
573	573
	619	+(% style="color:#4f81bd" %)**Trigger based on DI status**:
574	574
575		-(% style="color:#4f81bd" %)**Trigger base on DI status**:
	621	+DI status triggers Flag.
576	576
577		-DI status trigger Flag.
578		-
579	579	Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
580	580
581	581
...	...	@@ -584,39 +584,38 @@
584	584	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
585	585
586	586
587		-(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
	631	+(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
588	588
589	589	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
590	590
591	591	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
592	592
593		- AA: Code for this downlink Command:
	637	+ AA: Type Code for this downlink Command:
594	594
595		- 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.
596	596
597		- 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.
598	598
599		- yy2 yy2: AC1 or AV1 high limit.
	643	+ yy2 yy2: AC1 or AV1 HIGH limit.
600	600
601		- yy3 yy3: AC2 or AV2 low limit.
	645	+ yy3 yy3: AC2 or AV2 LOW limit.
602	602
603		- Yy4 yy4: AC2 or AV2 high limit.
	647	+ Yy4 yy4: AC2 or AV2 HIGH limit.
604	604
605	605
606		-**Example1**: AA 00 13 88 00 00 00 00 00 00
	650	+**Example 1**: AA 00 13 88 00 00 00 00 00 00
607	607
608		-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)
609	609
610	610
611		-**Example2**: AA 02 01 00
	655	+**Example 2**: AA 02 01 00
612	612
613		-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)
614	614
615	615
616		-
617	617	(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
618	618
619		-MOD6 Payload : total 11 bytes payload
	662	+MOD6 Payload: total of 11 bytes
620	620
621	621	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
622	622	|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
...	...	@@ -630,10 +630,10 @@
630	630	MOD(6)
631	631	)))
632	632
633		-(% 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
634	634
635	635	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
636		-|**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**
637	637	|(((
638	638	AV1_LOW
639	639	)))|(((
...	...	@@ -652,17 +652,17 @@
652	652	AC2_HIGH
653	653	)))
654	654
655		-* Each bits shows if the corresponding trigger has been configured.
	698	+* Each bit shows if the corresponding trigger has been configured.
656	656
657	657	**Example:**
658	658
659		-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
660	660
661	661
662		-(% 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
663	663
664	664	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
665		-|**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**
666	666	|(((
667	667	AV1_LOW
668	668	)))|(((
...	...	@@ -681,11 +681,11 @@
681	681	AC2_HIGH
682	682	)))
683	683
684		-* Each bits shows which status has been trigger on this uplink.
	727	+* Each bit shows which status has been triggered on this uplink.
685	685
686	686	**Example:**
687	687
688		-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.
689	689
690	690
691	691	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
...	...	@@ -694,7 +694,7 @@
694	694	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
695	695	|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
696	696
697		-* Each bits shows which status has been trigger on this uplink.
	740	+* Each bits shows which status has been triggered on this uplink.
698	698
699	699	**Example:**
700	700
...	...	@@ -721,11 +721,11 @@
721	721	)))
722	722
723	723
724		-== 3.4 ​Configure LT via AT or Downlink ==
	767	+== 3.4 ​Configure LT via AT Commands or Downlinks ==
725	725
726	726
727	727	(((
728		-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.
729	729	)))
730	730
731	731	(((
...	...	@@ -740,9 +740,8 @@
740	740
741	741	=== 3.4.1 Common Commands ===
742	742
743		-
744	744	(((
745		-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]].
746	746	)))
747	747
748	748
...	...	@@ -750,34 +750,37 @@
750	750
751	751	==== 3.4.2.1 Set Transmit Interval ====
752	752
	795	+Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
753	753
754		-Set device uplink interval.
	797	+* (% style="color:#037691" %)**AT command:**
755	755
756		-* (% style="color:#037691" %)**AT Command:**
	799	+(% style="color:blue" %)**AT+TDC=N**
757	757
758		-(% style="color:blue" %)**AT+TDC=N **
	801	+where N is the time in milliseconds.
759	759
	803	+**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
760	760
761		-**Example: **AT+TDC=30000. Means set interval to 30 seconds
762	762
	806	+* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
763	763
764		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
765		-
766	766	(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
767	767
768	768
769	769
770		-==== 3.4.2.2 Set Work Mode (AT+MOD) ====
	812	+==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
771	771
772	772
773		-Set work mode.
	815	+Sets the work mode.
774	774
775		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	817	+* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
776	776
777		-**Example**: AT+MOD=2. Set work mode to Double DI counting mode
	819	+Where N is the work mode.
778	778
779		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
	821	+**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
780	780
	823	+
	824	+* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
	825	+
781	781	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
782	782
783	783
...	...	@@ -785,10 +785,12 @@
785	785	==== 3.4.2.3 Poll an uplink ====
786	786
787	787
788		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	833	+Asks the device to send an uplink.
789	789
790		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
	835	+* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
791	791
	837	+* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
	838	+
792	792	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
793	793
794	794	**Example**: 0x08FF, ask device to send an Uplink
...	...	@@ -795,16 +795,16 @@
795	795
796	796
797	797
798		-==== 3.4.2.4 Enable Trigger Mode ====
	845	+==== 3.4.2.4 Enable/Disable Trigger Mode ====
799	799
800	800
801		-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"]]).
802	802
803	803	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
804	804
805		-(% style="color:red" %)**1:** (%%)Enable Trigger Mode
	852	+(% style="color:red" %)**1:** (%%)Enable the trigger mode
806	806
807		-(% style="color:red" %)**0: **(%%)Disable Trigger Mode
	854	+(% style="color:red" %)**0: **(%%)Disable the trigger mode
808	808
809	809
810	810	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
...	...	@@ -816,7 +816,7 @@
816	816	==== 3.4.2.5 Poll trigger settings ====
817	817
818	818
819		-Poll trigger settings
	866	+Polls the trigger settings
820	820
821	821	* (% style="color:#037691" %)**AT Command:**
822	822
...	...	@@ -824,7 +824,7 @@
824	824
825	825	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
826	826
827		-(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	874	+(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
828	828
829	829
830	830
...	...	@@ -831,11 +831,11 @@
831	831	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
832	832
833	833
834		-Enable Disable DI1/DI2/DI2 as trigger,
	881	+Enable or Disable DI1/DI2/DI2 as trigger,
835	835
836	836	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
837	837
838		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	885	+**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
839	839
840	840
841	841	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
...	...	@@ -867,15 +867,15 @@
867	867	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
868	868
869	869
870		-Set DI2 trigger.
	917	+Sets DI2 trigger.
871	871
872	872	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
873	873
874		-(% 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).
875	875
876	876	(% style="color:red" %)**b :** (%%)delay timing.
877	877
878		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	925	+**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
879	879
880	880
881	881	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
...	...	@@ -913,7 +913,7 @@
913	913	==== 3.4.2.11 Trigger – Set minimum interval ====
914	914
915	915
916		-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.
917	917
918	918	* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
919	919
...	...	@@ -1061,7 +1061,7 @@
1061	1061	)))
1062	1062
1063	1063	(((
1064		-00: Close ,  01: Open , 11: No action
	1111	+00: Closed ,  01: Open , 11: No action
1065	1065
1066	1066	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1067	1067	|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
...	...	@@ -1183,7 +1183,7 @@
1183	1183
1184	1184
1185	1185
1186		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
	1233	+==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1187	1187
1188	1188
1189	1189	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1304,74 +1304,131 @@
1304	1304	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1305	1305
1306	1306
1307		-== 3.5 Integrate with Mydevice ==
	1354	+== 3.5 Integrating with ThingsEye.io ==
1308	1308
	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.
1309	1309
1310		-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 ===
1311	1311
1312		-(((
1313		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1314		-)))
	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.
1315	1315
1316		-(((
1317		-(% 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"]]
1318	1318
1319		-
1320		-)))
	1367	+=== 3.5.2 Configuring ThingsEye.io ===
1321	1321
1322		-[[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).
1323	1323
	1373	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1324	1324
1325	1325
1326		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1376	+On the **Add integration** window, configure the following:
1327	1327
	1378	+~1. **Basic settings:**
1328	1328
1329		-(% 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.
1330	1330
1331		-(% 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"]]
1332	1332
1333		-Search under The things network
1334	1334
1335		-[[image:1653356838789-523.png||height="337" width="740"]]
	1391	+2. **Uplink data converter:**
1336	1336
	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.
1337	1337
1338		-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"]]
1339	1339
1340		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1401	+3.** Downlink data converter (this is an optional step):**
1341	1341
	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.
1342	1342
1343		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1409	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1344	1344
	1411	+4. **Connection:**
1345	1345
1346		-[[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.
1347	1347
	1419	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1348	1348
1349		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1350	1350
	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.
1351	1351
1352		-[[image:image-20220524094909-5.png||height="341" width="734"]]
	1424	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1353	1353
1354	1354
1355		-== 3.6 Interface Detail ==
	1427	+Viewing integration details:
1356	1356
	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	+
1357	1357	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1358	1358
1359	1359
1360		-Support NPN Type sensor
	1464	+Support NPN-type sensor
1361	1361
1362	1362	[[image:1653356991268-289.png]]
1363	1363
1364	1364
1365		-=== 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) ===
1366	1366
1367	1367
1368	1368	(((
1369		-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.
1370	1370	)))
1371	1371
1372	1372	(((
1373	1373	(((
1374		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
	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.
1375	1375
1376	1376
1377	1377	)))
...	...	@@ -1381,7 +1381,7 @@
1381	1381
1382	1382	(((
1383	1383	(((
1384		-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.
1385	1385	)))
1386	1386	)))
1387	1387
...	...	@@ -1390,22 +1390,22 @@
1390	1390	)))
1391	1391
1392	1392	(((
1393		-(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
	1497	+(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1394	1394	)))
1395	1395
1396	1396	(((
1397		-This type of sensor will output a low signal GND when active.
	1501	+This type of sensor outputs a low (GND) signal when active.
1398	1398	)))
1399	1399
1400	1400	* (((
1401		-Connect sensor's output to DI1-
	1505	+Connect the sensor's output to DI1-
1402	1402	)))
1403	1403	* (((
1404		-Connect sensor's VCC to DI1+.
	1508	+Connect the sensor's VCC to DI1+.
1405	1405	)))
1406	1406
1407	1407	(((
1408		-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：
1409	1409	)))
1410	1410
1411	1411	(((
...	...	@@ -1413,7 +1413,7 @@
1413	1413	)))
1414	1414
1415	1415	(((
1416		-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.
1417	1417	)))
1418	1418
1419	1419	(((
...	...	@@ -1421,22 +1421,22 @@
1421	1421	)))
1422	1422
1423	1423	(((
1424		-(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
	1528	+(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1425	1425	)))
1426	1426
1427	1427	(((
1428		-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.
1429	1429	)))
1430	1430
1431	1431	* (((
1432		-Connect sensor's output to DI1+
	1536	+Connect the sensor's output to DI1+
1433	1433	)))
1434	1434	* (((
1435		-Connect sensor's GND DI1-.
	1539	+Connect the sensor's GND DI1-.
1436	1436	)))
1437	1437
1438	1438	(((
1439		-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:
1440	1440	)))
1441	1441
1442	1442	(((
...	...	@@ -1444,7 +1444,7 @@
1444	1444	)))
1445	1445
1446	1446	(((
1447		-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.
1448	1448	)))
1449	1449
1450	1450	(((
...	...	@@ -1452,22 +1452,22 @@
1452	1452	)))
1453	1453
1454	1454	(((
1455		-(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
	1559	+(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1456	1456	)))
1457	1457
1458	1458	(((
1459		-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
1460	1460	)))
1461	1461
1462	1462	* (((
1463		-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.
1464	1464	)))
1465	1465	* (((
1466		-Connect sensor's GND DI1-.
	1570	+Connect the sensor's GND DI1-.
1467	1467	)))
1468	1468
1469	1469	(((
1470		-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:
1471	1471	)))
1472	1472
1473	1473	(((
...	...	@@ -1475,37 +1475,37 @@
1475	1475	)))
1476	1476
1477	1477	(((
1478		-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.
1479	1479	)))
1480	1480
1481	1481
1482		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1586	+(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1483	1483
1484		-From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
	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.
1485	1485
1486		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	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.
1487	1487
1488	1488	[[image:image-20230616235145-1.png]]
1489	1489
1490		-(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1594	+(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1491	1491
1492	1492	[[image:image-20240219115718-1.png]]
1493	1493
1494	1494
1495		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1599	+=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1496	1496
1497	1497
1498		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1602	+(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1499	1499
1500		-(% 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.**
1501	1501
1502	1502	[[image:1653357531600-905.png]]
1503	1503
1504	1504
1505		-=== 3.6.4 Analog Input Interface ===
	1609	+=== 3.6.4 Analog Input Interfaces ===
1506	1506
1507	1507
1508		-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:
1509	1509
1510	1510
1511	1511	(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
...	...	@@ -1512,14 +1512,14 @@
1512	1512
1513	1513	[[image:1653357592296-182.png]]
1514	1514
1515		-Example to connect a 4~~20mA sensor
	1619	+Example: Connecting a 4~~20mA sensor
1516	1516
1517		-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.
1518	1518
1519	1519
1520	1520	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1521	1521
1522		-(% style="color:red" %)**Red:  12~~24v**
	1626	+(% style="color:red" %)**Red:  12~~24V**
1523	1523
1524	1524	(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1525	1525
...	...	@@ -1532,7 +1532,7 @@
1532	1532	[[image:1653357648330-671.png||height="155" width="733"]]
1533	1533
1534	1534
1535		-Example connected to a regulated power supply to measure voltage
	1639	+Example: Connecting to a regulated power supply to measure voltage
1536	1536
1537	1537	[[image:image-20230608101532-1.png||height="606" width="447"]]
1538	1538
...	...	@@ -1541,7 +1541,7 @@
1541	1541	[[image:image-20230608101722-3.png||height="102" width="1139"]]
1542	1542
1543	1543
1544		-(% 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" %)**:**
1545	1545
1546	1546	(% style="color:red" %)**Red:  12~~24v**
1547	1547
...	...	@@ -1552,9 +1552,9 @@
1552	1552
1553	1553
1554	1554	(((
1555		-The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
	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:
1556	1556
1557		-**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.
1558	1558	)))
1559	1559
1560	1560	[[image:image-20220524100215-9.png]]
...	...	@@ -1582,25 +1582,25 @@
1582	1582	Transmit a LoRa packet: TX blinks once
1583	1583	)))
1584	1584	)))
1585		-|**RX**|RX blinks once when receive a packet.
1586		-|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1587		-|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
	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
1588	1588	|**DI1**|(((
1589		-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
1590	1590	)))
1591	1591	|**DI2**|(((
1592		-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
1593	1593	)))
1594		-|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1595		-|**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
1596	1596
1597		-= 4. Use AT Command =
	1701	+= 4. Using AT Command =
1598	1598
1599		-== 4.1 Access AT Command ==
	1703	+== 4.1 Connecting the LT-22222-L to a computer ==
1600	1600
1601	1601
1602	1602	(((
1603		-LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
	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.
1604	1604	)))
1605	1605
1606	1606	[[image:1653358238933-385.png]]
...	...	@@ -1607,7 +1607,7 @@
1607	1607
1608	1608
1609	1609	(((
1610		-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:
1611	1611	)))
1612	1612
1613	1613	[[image:1653358355238-883.png]]
...	...	@@ -1614,10 +1614,12 @@
1614	1614
1615	1615
1616	1616	(((
1617		-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/]]
1618	1618	)))
1619	1619
1620	1620	(((
	1725	+The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
	1726	+
1621	1621	AT+<CMD>?        : Help on <CMD>
1622	1622	)))
1623	1623
...	...	@@ -1942,10 +1942,10 @@
1942	1942
1943	1943	= 5. Case Study =
1944	1944
1945		-== 5.1 Counting how many objects pass in Flow Line ==
	2051	+== 5.1 Counting how many objects pass through the flow Line ==
1946	1946
1947	1947
1948		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
	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]]?
1949	1949
1950	1950
1951	1951	= 6. FAQ =
...	...	@@ -1953,26 +1953,26 @@
1953	1953	== 6.1 How to upgrade the image? ==
1954	1954
1955	1955
1956		-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:
1957	1957
1958		-* Support new features
1959		-* For bug fix
	2064	+* Support new features.
	2065	+* Fix bugs.
1960	1960	* Change LoRaWAN bands.
1961	1961
1962		-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:
1963	1963
1964	1964	[[image:1653359603330-121.png]]
1965	1965
1966	1966
1967	1967	(((
1968		-(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1969		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
1970		-(% 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.
1971	1971
1972	1972
1973	1973	(((
1974	1974	(% style="color:blue" %)**For LT-22222-L**(%%):
1975		-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.
1976	1976	)))
1977	1977
1978	1978
...	...	@@ -1987,7 +1987,7 @@
1987	1987	[[image:image-20220524104033-15.png]]
1988	1988
1989	1989
1990		-(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	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:
1991	1991
1992	1992	[[image:1653360054704-518.png||height="186" width="745"]]
1993	1993
...	...	@@ -2001,13 +2001,13 @@
2001	2001	)))
2002	2002
2003	2003	(((
2004		-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.
2005	2005	)))
2006	2006
2007	2007	(((
2008	2008
2009	2009
2010		-== 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? ==
2011	2011
2012	2012
2013	2013	)))
...	...	@@ -2014,13 +2014,13 @@
2014	2014
2015	2015	(((
2016	2016	(((
2017		-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.
2018	2018	)))
2019	2019	)))
2020	2020
2021	2021	(((
2022	2022	(((
2023		-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.
2024	2024
2025	2025
2026	2026	)))
...	...	@@ -2027,7 +2027,7 @@
2027	2027	)))
2028	2028
2029	2029	(((
2030		-(% 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.
2031	2031
2032	2032
2033	2033	)))
...	...	@@ -2084,7 +2084,7 @@
2084	2084	Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2085	2085
2086	2086
2087		-== 6.5 Can I see counting event in Serial? ==
	2193	+== 6.5 Can I see the counting event in Serial? ==
2088	2088
2089	2089
2090	2090	(((
...	...	@@ -2091,10 +2091,10 @@
2091	2091	User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2092	2092
2093	2093
2094		-== 6.6 Can i use point to point communication for LT-22222-L? ==
	2200	+== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2095	2095
2096	2096
2097		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
	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]].
2098	2098
2099	2099
2100	2100	)))