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

Summary

• Page properties (2 modified, 0 added, 0 removed)
• Attachments (0 modified, 12 added, 0 removed)
  • 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.Xiaoling
	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	(((
...	...	@@ -59,153 +59,62 @@
59	59
60	60	== 1.2 Specifications ==
61	61
62		-(((
63		-
64		-
65	65	(% style="color:#037691" %)**Hardware System:**
66		-)))
67	67
68		-* (((
69		-STM32L072xxxx MCU
70		-)))
71		-* (((
72		-SX1276/78 Wireless Chip
73		-)))
74		-* (((
75		-(((
76		-Power Consumption:
77		-)))
	58	+* STM32L072xxxx MCU
	59	+* SX1276/78 Wireless Chip
	60	+* Power Consumption:
	61	+** Idle: 4mA@12v
	62	+** 20dB Transmit: 34mA@12v
	63	+* Operating Temperature: -40 ~~ 85 Degrees, No Dew
78	78
79		-* (((
80		-Idle: 4mA@12v
81		-)))
82		-* (((
83		-20dB Transmit: 34mA@12v
84		-)))
85		-)))
86		-
87		-(((
88		-
89		-
90	90	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
91		-)))
92	92
93		-* (((
94		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
95		-)))
96		-* (((
97		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
98		-)))
99		-* (((
100		-2 x Relay Output (5A@250VAC / 30VDC)
101		-)))
102		-* (((
103		-2 x 0~~20mA Analog Input (res:0.01mA)
104		-)))
105		-* (((
106		-2 x 0~~30V Analog Input (res:0.01v)
107		-)))
108		-* (((
109		-Power Input 7~~ 24V DC.
110		-)))
	67	+* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	68	+* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
	69	+* 2 x Relay Output (5A@250VAC / 30VDC)
	70	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	71	+* 2 x 0~~30V Analog Input (res:0.01v)
	72	+* Power Input 7~~ 24V DC.
111	111
112		-(((
113		-
114		-
115	115	(% style="color:#037691" %)**LoRa Spec:**
116		-)))
117	117
118		-* (((
119		-(((
120		-Frequency Range:
121		-)))
	76	+* Frequency Range:
	77	+** Band 1 (HF): 862 ~~ 1020 Mhz
	78	+** Band 2 (LF): 410 ~~ 528 Mhz
	79	+* 168 dB maximum link budget.
	80	+* +20 dBm - 100 mW constant RF output vs.
	81	+* +14 dBm high-efficiency PA.
	82	+* Programmable bit rate up to 300 kbps.
	83	+* High sensitivity: down to -148 dBm.
	84	+* Bullet-proof front end: IIP3 = -12.5 dBm.
	85	+* Excellent blocking immunity.
	86	+* Low RX current of 10.3 mA, 200 nA register retention.
	87	+* Fully integrated synthesizer with a resolution of 61 Hz.
	88	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	89	+* Built-in bit synchronizer for clock recovery.
	90	+* Preamble detection.
	91	+* 127 dB Dynamic Range RSSI.
	92	+* Automatic RF Sense and CAD with ultra-fast AFC.
	93	+* Packet engine up to 256 bytes with CRC.
122	122
123		-* (((
124		-Band 1 (HF): 862 ~~ 1020 Mhz
125		-)))
126		-* (((
127		-Band 2 (LF): 410 ~~ 528 Mhz
128		-)))
129		-)))
130		-* (((
131		-168 dB maximum link budget.
132		-)))
133		-* (((
134		-+20 dBm - 100 mW constant RF output vs.
135		-)))
136		-* (((
137		-+14 dBm high efficiency PA.
138		-)))
139		-* (((
140		-Programmable bit rate up to 300 kbps.
141		-)))
142		-* (((
143		-High sensitivity: down to -148 dBm.
144		-)))
145		-* (((
146		-Bullet-proof front end: IIP3 = -12.5 dBm.
147		-)))
148		-* (((
149		-Excellent blocking immunity.
150		-)))
151		-* (((
152		-Low RX current of 10.3 mA, 200 nA register retention.
153		-)))
154		-* (((
155		-Fully integrated synthesizer with a resolution of 61 Hz.
156		-)))
157		-* (((
158		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
159		-)))
160		-* (((
161		-Built-in bit synchronizer for clock recovery.
162		-)))
163		-* (((
164		-Preamble detection.
165		-)))
166		-* (((
167		-127 dB Dynamic Range RSSI.
168		-)))
169		-* (((
170		-Automatic RF Sense and CAD with ultra-fast AFC.
171		-)))
172		-* (((
173		-Packet engine up to 256 bytes with CRC.
174		-
175		-
176		-
177		-)))
178		-
179	179	== 1.3 Features ==
180	180
181		-
182	182	* LoRaWAN Class A & Class C protocol
183		-
184	184	* Optional Customized LoRa Protocol
185		-
186	186	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
187		-
188	188	* AT Commands to change parameters
189		-
190		-* Remote configure parameters via LoRa Downlink
191		-
	101	+* Remotely configure parameters via LoRaWAN Downlink
192	192	* Firmware upgradable via program port
193		-
194	194	* Counting
195	195
196	196	== 1.4 Applications ==
197	197
198		-
199	199	* Smart Buildings & Home Automation
200		-
201	201	* Logistics and Supply Chain Management
202		-
203	203	* Smart Metering
204		-
205	205	* Smart Agriculture
206		-
207	207	* Smart Cities
208		-
209	209	* Smart Factory
210	210
211	211	== 1.5 Hardware Variants ==
...	...	@@ -225,92 +225,140 @@
225	225	* 1 x Counting Port
226	226	)))
227	227
228		-= 2. Power ON Device =
	131	+= 2. Assembling the Device =
229	229
	133	+== 2.1 What is included in the package? ==
230	230
231		-(((
232		-The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
233		-)))
	135	+The package includes the following items:
234	234
235		-(((
236		-PWR will on when 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
237	237
238		-
239		-)))
	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.
240	240
	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	+
241	241	[[image:1653297104069-180.png]]
242	242
243	243
244	244	= 3. Operation Mode =
245	245
246		-== 3.1 How it works? ==
	182	+== 3.1 How does it work? ==
247	247
	184	+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.
248	248
249		-(((
250		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
251		-)))
	186	+For LT-22222-L, the LED will show the Join status: After 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.
252	252
253		-(((
254		-In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
255		-)))
	188	+In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
256	256
	190	+== 3.2 Registering with a LoRaWAN network server ==
257	257
258		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
259	259
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
260	260
261		-(((
262		-This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	196	+=== 3.2.1 Prerequisites ===
263	263
264		-
265		-)))
	198	+Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
266	266
267		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
268	268
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
269	269
270		-(((
271		-The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
	204	+=== 3.2.2 The Things Stack Sandbox (TTSS) ===
272	272
273		-
274		-)))
	206	+* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
	207	+* Create an application if you do not have one yet.
	208	+* Register LT-22222-L with that application. Two registration options are available:
275	275
276		-(((
277		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
278		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
279	279
280		-(((
281		-Each LT is shipped with a sticker with the default device EUI as below:
282		-)))
	212	+* Go to your application and click on the **Register end device** button.
	213	+* On the **Register end device** page:
	214	+** Select the option **Select the end device in the LoRaWAN Device Repository**.
	215	+** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
	216	+** Select the **Frequency plan** that matches your device.
283	283
284		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
285	285
	220	+*
	221	+** Enter the **AppEUI** in the **JoinEUI** field and click 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.
286	286
287		-Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
	227	+[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
288	288
289		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
290	290
291		-[[image:1653297955910-247.png||height="321" width="716"]]
	231	+* On the **Register end device** page:
	232	+** Select the **Enter end device specifies manually** option as the input method.
	233	+** Select the **Frequency plan** that matches 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**.
292	292
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
293	293
294		-**Add APP KEY and DEV EUI**
295	295
296		-[[image:1653298023685-319.png]]
	243	+* Enter **AppEUI** in the **JoinEUI** field and click 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.
297	297
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
298	298
299		-(((
300		-(% 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.
301	301
302		-
303		-)))
	252	+==== Joining ====
304	304
	254	+Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
	255	+
305	305	[[image:1653298044601-602.png||height="405" width="709"]]
306	306
307	307
308		-== 3.3 Uplink Payload ==
	259	+== 3.3 Uplink Payload formats ==
309	309
310	310
311		-There are five working modes + one interrupt mode on LT for different type application:
	262	+The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different 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.
312	312
313		-* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	264	+* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
314	314
315	315	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
316	316
...	...	@@ -326,7 +326,7 @@
326	326
327	327
328	328	(((
329		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	280	+The uplink payload is 11 bytes long. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" wfd-invisible="true" %)
330	330
331	331	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
332	332	|(% 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**
...	...	@@ -344,23 +344,23 @@
344	344	)))
345	345
346	346	(((
347		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	298	+(% 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.
348	348
349	349	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
350		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
351		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	301	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	302	+|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
352	352	)))
353	353
354		-* RO is for relay. ROx=1 : close, ROx=0 always open.
355		-* DI is for digital input. DIx=1: high or float, DIx=0: low.
356		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	305	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	306	+* DI is for digital input. DIx=1: high or floating, DIx=0: low.
	307	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
357	357
358		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	309	+(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
359	359
360		-For example if payload is: [[image:image-20220523175847-2.png]]
	311	+For example, if the payload is: [[image:image-20220523175847-2.png]]
361	361
362	362
363		-**The value for the interface is:  **
	314	+**The interface values can be calculated as follows:  **
364	364
365	365	AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
366	366
...	...	@@ -370,35 +370,32 @@
370	370
371	371	ACI2 channel current is 0x1300/1000=4.864mA
372	372
373		-The last byte 0xAA= 10101010(B) means
	324	+The last byte 0xAA= **10101010**(b) means,
374	374
375		-* [1] RO1 relay channel is close and the RO1 LED is ON.
376		-* [0] RO2 relay channel is open and RO2 LED is OFF;
	326	+* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
	327	+* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
	328	+* [1] DI3 - not used for LT-22222-L.
	329	+* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
	330	+* [1] DI1 channel input state:
	331	+** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
	332	+** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
	333	+** DI1 LED is ON in both cases.
	334	+* [0] DO3 - not used for LT-22222-L.
	335	+* [1] DO2 channel output is LOW, and the DO2 LED is ON.
	336	+* [0] DO1 channel output state:
	337	+** DO1 is FLOATING when there is no load between DO1 and V+.
	338	+** DO1 is HIGH when there is a load between DO1 and V+.
	339	+** DO1 LED is OFF in both cases.
377	377
378		-**LT22222-L:**
379		-
380		-* [1] DI2 channel is high input and DI2 LED is ON;
381		-* [0] DI1 channel is low input;
382		-
383		-* [0] DO3 channel output state
384		-** DO3 is float in case no load between DO3 and V+.;
385		-** DO3 is high in case there is load between DO3 and V+.
386		-** DO3 LED is off in both case
387		-* [1] DO2 channel output is low and DO2 LED is ON.
388		-* [0] DO1 channel output state
389		-** DO1 is float in case no load between DO1 and V+.;
390		-** DO1 is high in case there is load between DO1 and V+.
391		-** DO1 LED is off in both case
392		-
393	393	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394	394
395	395
396	396	(((
397		-**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	345	+**For LT-22222-L**: In this mode, the **DI1 and DI2** are used as counting pins.
398	398	)))
399	399
400	400	(((
401		-Total : 11 bytes payload
	349	+The uplink payload is 11 bytes long.
402	402
403	403	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
404	404	|(% 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**
...	...	@@ -408,26 +408,26 @@
408	408	)))
409	409
410	410	(((
411		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	359	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
412	412
413	413	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
414		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
415		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	362	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	363	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
416	416
417		-RO is for relay. ROx=1 : close , ROx=0 always open.
	365	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
418	418	)))
419	419
420		-* FIRST: Indicate this is the first packet after join network.
421		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	368	+* FIRST: Indicates that this is the first packet after joining the network.
	369	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
422	422
423	423	(((
424		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
	372	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
425	425
426	426
427	427	)))
428	428
429	429	(((
430		-**To use counting mode, please run:**
	378	+**To activate this mode, run the following AT commands:**
431	431	)))
432	432
433	433	(((
...	...	@@ -448,17 +448,17 @@
448	448	(((
449	449	**For LT22222-L:**
450	450
451		-(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
	399	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
452	452
453		-(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
	401	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
454	454
455		-(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
	403	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
456	456
457		-(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
	405	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
458	458
459		-(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	407	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
460	460
461		-(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
	409	+(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
462	462	)))
463	463
464	464
...	...	@@ -465,7 +465,7 @@
465	465	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
466	466
467	467
468		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	416	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
469	469
470	470	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471	471	|(% 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**
...	...	@@ -476,24 +476,24 @@
476	476	)))|DIDORO*|Reserve|MOD
477	477
478	478	(((
479		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	427	+(% 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.
480	480
481	481	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
483		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	430	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	431	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
484	484	)))
485	485
486		-* RO is for relay. ROx=1 : close, ROx=0 always open.
487		-* FIRST: Indicate this is the first packet after join network.
488		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	434	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	435	+* FIRST: Indicates that this is the first packet after joining the network.
	436	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
489	489
490	490	(((
491		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	439	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
492	492	)))
493	493
494	494
495	495	(((
496		-**To use counting mode, please run:**
	444	+**To activate this mode, run the following AT commands:**
497	497	)))
498	498
499	499	(((
...	...	@@ -506,7 +506,9 @@
506	506	)))
507	507
508	508	(((
509		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	457	+AT Commands for counting:
	458	+
	459	+The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
510	510	)))
511	511
512	512
...	...	@@ -514,11 +514,11 @@
514	514
515	515
516	516	(((
517		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	467	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
518	518	)))
519	519
520	520	(((
521		-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.
	471	+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.
522	522
523	523	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
524	524	|(% 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**
...	...	@@ -528,25 +528,25 @@
528	528	)))
529	529
530	530	(((
531		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	481	+(% 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.
532	532
533	533	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
534		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
535		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	484	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	485	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
536	536	)))
537	537
538		-* RO is for relay. ROx=1 : close, ROx=0 always open.
539		-* FIRST: Indicate this is the first packet after join network.
540		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	488	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	489	+* FIRST: Indicates that this is the first packet after joining the network.
	490	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
541	541
542	542	(((
543		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	493	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
544	544
545	545
546	546	)))
547	547
548	548	(((
549		-**To use this mode, please run:**
	499	+**To activate this mode, run the following AT commands:**
550	550	)))
551	551
552	552	(((
...	...	@@ -559,19 +559,19 @@
559	559	)))
560	560
561	561	(((
562		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	512	+Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
563	563	)))
564	564
565	565	(((
566		-**Plus below command for AVI1 Counting:**
	516	+**In addition to that, below are the commands for AVI1 Counting:**
567	567
568		-(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
	518	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
569	569
570	570	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
571	571
572	572	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
573	573
574		-(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
	524	+(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
575	575	)))
576	576
577	577
...	...	@@ -578,7 +578,7 @@
578	578	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
579	579
580	580
581		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	531	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
582	582
583	583	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
584	584	|(% 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**
...	...	@@ -593,25 +593,25 @@
593	593	)))|MOD
594	594
595	595	(((
596		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	546	+(% 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.
597	597
598	598	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
599		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	549	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
600	600	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
601	601	)))
602	602
603		-* RO is for relay. ROx=1 : close, ROx=0 always open.
604		-* FIRST: Indicate this is the first packet after join network.
	553	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
	554	+* FIRST: Indicates that this is the first packet after joining the network.
605	605	* (((
606		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	556	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
607	607	)))
608	608
609	609	(((
610		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	560	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
611	611	)))
612	612
613	613	(((
614		-**To use this mode, please run:**
	564	+**To activate this mode, run the following AT commands:**
615	615	)))
616	616
617	617	(((
...	...	@@ -624,7 +624,7 @@
624	624	)))
625	625
626	626	(((
627		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	577	+Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
628	628	)))
629	629
630	630
...	...	@@ -631,49 +631,46 @@
631	631	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
632	632
633	633
634		-(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
	584	+(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
635	635
636		-For example, if user has configured below commands:
	586	+For example, if you configured the following commands:
637	637
638	638	* **AT+MOD=1 ** **~-~->**  The normal working mode
639		-* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
	589	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
640	640
641		-LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
	591	+The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
642	642
643		-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
644		-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.**
	593	+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.
	594	+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.**
645	645
646	646	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
647	647
	598	+(% style="color:#4f81bd" %)**Trigger based on voltage**:
648	648
649		-(% style="color:#4f81bd" %)**Trigger base on voltage**:
650		-
651	651	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
652	652
653	653
654	654	**Example:**
655	655
656		-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)
	605	+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)
657	657
658		-AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
	607	+AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
659	659
660	660
	610	+(% style="color:#4f81bd" %)**Trigger based on current**:
661	661
662		-(% style="color:#4f81bd" %)**Trigger base on current**:
663		-
664	664	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
665	665
666	666
667	667	**Example:**
668	668
669		-AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
	617	+AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
670	670
671	671
	620	+(% style="color:#4f81bd" %)**Trigger based on DI status**:
672	672
673		-(% style="color:#4f81bd" %)**Trigger base on DI status**:
	622	+DI status triggers Flag.
674	674
675		-DI status trigger Flag.
676		-
677	677	Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
678	678
679	679
...	...	@@ -682,39 +682,38 @@
682	682	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
683	683
684	684
685		-(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
	632	+(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
686	686
687	687	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
688	688
689	689	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
690	690
691		- AA: Code for this downlink Command:
	638	+ AA: Type Code for this downlink Command:
692	692
693		- xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
	640	+ xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
694	694
695		- yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
	642	+ yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
696	696
697		- yy2 yy2: AC1 or AV1 high limit.
	644	+ yy2 yy2: AC1 or AV1 HIGH limit.
698	698
699		- yy3 yy3: AC2 or AV2 low limit.
	646	+ yy3 yy3: AC2 or AV2 LOW limit.
700	700
701		- Yy4 yy4: AC2 or AV2 high limit.
	648	+ Yy4 yy4: AC2 or AV2 HIGH limit.
702	702
703	703
704		-**Example1**: AA 00 13 88 00 00 00 00 00 00
	651	+**Example 1**: AA 00 13 88 00 00 00 00 00 00
705	705
706		-Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
	653	+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)
707	707
708	708
709		-**Example2**: AA 02 01 00
	656	+**Example 2**: AA 02 01 00
710	710
711		-Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
	658	+Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
712	712
713	713
714		-
715	715	(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
716	716
717		-MOD6 Payload : total 11 bytes payload
	663	+MOD6 Payload: total of 11 bytes
718	718
719	719	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
720	720	|(% 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**
...	...	@@ -728,10 +728,10 @@
728	728	MOD(6)
729	729	)))
730	730
731		-(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
	677	+(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
732	732
733	733	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
734		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	680	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
735	735	|(((
736	736	AV1_LOW
737	737	)))|(((
...	...	@@ -750,17 +750,17 @@
750	750	AC2_HIGH
751	751	)))
752	752
753		-* Each bits shows if the corresponding trigger has been configured.
	699	+* Each bit shows if the corresponding trigger has been configured.
754	754
755	755	**Example:**
756	756
757		-10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
	703	+10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
758	758
759	759
760		-(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
	706	+(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
761	761
762	762	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
763		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	709	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
764	764	|(((
765	765	AV1_LOW
766	766	)))|(((
...	...	@@ -779,11 +779,11 @@
779	779	AC2_HIGH
780	780	)))
781	781
782		-* Each bits shows which status has been trigger on this uplink.
	728	+* Each bit shows which status has been triggered on this uplink.
783	783
784	784	**Example:**
785	785
786		-10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
	732	+10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
787	787
788	788
789	789	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
...	...	@@ -792,7 +792,7 @@
792	792	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
793	793	|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
794	794
795		-* Each bits shows which status has been trigger on this uplink.
	741	+* Each bits shows which status has been triggered on this uplink.
796	796
797	797	**Example:**
798	798
...	...	@@ -849,33 +849,37 @@
849	849	==== 3.4.2.1 Set Transmit Interval ====
850	850
851	851
852		-Set device uplink interval.
	798	+Sets the uplink interval of the device.
853	853
854		-* (% style="color:#037691" %)**AT Command:**
	800	+* (% style="color:#037691" %)**AT command:**
855	855
856		-(% style="color:blue" %)**AT+TDC=N **
	802	+(% style="color:blue" %)**AT+TDC=N**
857	857
	804	+where N is the time in milliseconds.
858	858
859		-**Example: **AT+TDC=30000. Means set interval to 30 seconds
	806	+**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
860	860
861	861
862		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
	809	+* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
863	863
864	864	(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
865	865
866	866
867	867
868		-==== 3.4.2.2 Set Work Mode (AT+MOD) ====
	815	+==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
869	869
870	870
871		-Set work mode.
	818	+Sets the work mode.
872	872
873		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	820	+* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
874	874
875		-**Example**: AT+MOD=2. Set work mode to Double DI counting mode
	822	+Where N is the work mode.
876	876
877		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
	824	+**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
878	878
	826	+
	827	+* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
	828	+
879	879	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
880	880
881	881
...	...	@@ -883,10 +883,12 @@
883	883	==== 3.4.2.3 Poll an uplink ====
884	884
885	885
886		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	836	+Asks the device to send an uplink.
887	887
888		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
	838	+* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
889	889
	840	+* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
	841	+
890	890	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
891	891
892	892	**Example**: 0x08FF, ask device to send an Uplink
...	...	@@ -893,16 +893,16 @@
893	893
894	894
895	895
896		-==== 3.4.2.4 Enable Trigger Mode ====
	848	+==== 3.4.2.4 Enable/Disable Trigger Mode ====
897	897
898	898
899		-Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	851	+Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
900	900
901	901	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
902	902
903		-(% style="color:red" %)**1:** (%%)Enable Trigger Mode
	855	+(% style="color:red" %)**1:** (%%)Enable the trigger mode
904	904
905		-(% style="color:red" %)**0: **(%%)Disable Trigger Mode
	857	+(% style="color:red" %)**0: **(%%)Disable the trigger mode
906	906
907	907
908	908	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
...	...	@@ -914,7 +914,7 @@
914	914	==== 3.4.2.5 Poll trigger settings ====
915	915
916	916
917		-Poll trigger settings
	869	+Polls the trigger settings
918	918
919	919	* (% style="color:#037691" %)**AT Command:**
920	920
...	...	@@ -922,7 +922,7 @@
922	922
923	923	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
924	924
925		-(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	877	+(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
926	926
927	927
928	928
...	...	@@ -929,11 +929,11 @@
929	929	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
930	930
931	931
932		-Enable Disable DI1/DI2/DI2 as trigger,
	884	+Enable or Disable DI1/DI2/DI2 as trigger,
933	933
934	934	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
935	935
936		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	888	+**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
937	937
938	938
939	939	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
...	...	@@ -965,15 +965,15 @@
965	965	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
966	966
967	967
968		-Set DI2 trigger.
	920	+Sets DI2 trigger.
969	969
970	970	* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
971	971
972		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	924	+(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
973	973
974	974	(% style="color:red" %)**b :** (%%)delay timing.
975	975
976		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	928	+**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
977	977
978	978
979	979	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
...	...	@@ -1011,7 +1011,7 @@
1011	1011	==== 3.4.2.11 Trigger – Set minimum interval ====
1012	1012
1013	1013
1014		-Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
	966	+Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
1015	1015
1016	1016	* (% 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.
1017	1017
...	...	@@ -1159,7 +1159,7 @@
1159	1159	)))
1160	1160
1161	1161	(((
1162		-00: Close ,  01: Open , 11: No action
	1114	+00: Closed ,  01: Open , 11: No action
1163	1163
1164	1164	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1165	1165	|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
...	...	@@ -1281,7 +1281,7 @@
1281	1281
1282	1282
1283	1283
1284		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
	1236	+==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1285	1285
1286	1286
1287	1287	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1402,74 +1402,91 @@
1402	1402	[[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"]]
1403	1403
1404	1404
1405		-== 3.5 Integrate with Mydevice ==
	1357	+== 3.5 Integrating with ThingsEye.io ==
1406	1406
	1359	+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.
1407	1407
1408		-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:
	1361	+=== 3.5.1 Configuring The Things Stack Sandbox ===
1409	1409
1410		-(((
1411		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1412		-)))
	1363	+* Go to your Application and select MQTT under Integrations.
	1364	+* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
	1365	+* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1413	1413
1414		-(((
1415		-(% 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:
	1367	+[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1416	1416
1417		-
1418		-)))
	1369	+=== 3.5.2 Configuring ThingsEye.io ===
1419	1419
1420		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1371	+* Login to your thingsEye.io account.
	1372	+* Under the Integrations center, click Integrations.
	1373	+* Click the Add integration button (the button with the + symbol).
1421	1421
	1375	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1422	1422
1423	1423
1424		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1378	+On the Add integration page configure the following:
1425	1425
	1380	+Basic settings:
1426	1426
1427		-(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
	1382	+* Select The Things Stack Community from the Integration type list.
	1383	+* Enter a suitable name for your integration in the Name box or keep the default name.
	1384	+* Click the Next button.
1428	1428
1429		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1386	+[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1430	1430
1431		-Search under The things network
	1388	+Uplink Data converter:
1432	1432
1433		-[[image:1653356838789-523.png||height="337" width="740"]]
	1390	+* Click the Create New button if it is not selected by default.
	1391	+* Click the JavaScript button.
	1392	+* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1393	+* Click the Next button.
1434	1434
	1395	+[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1435	1435
1436		-After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	1397	+Downlink Data converter (this is an optional step):
1437	1437
1438		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1399	+* Click the Create new button if it is not selected by default.
	1400	+* Click the JavaScript button.
	1401	+* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1402	+* Click the Next button.
1439	1439
	1404	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1440	1440
1441		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1406	+Connection:
1442	1442
	1408	+* Choose Region from the Host type.
	1409	+* Enter the cluster of your The Things Stack in the Region textbox.
	1410	+* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
	1411	+* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
	1412	+* Click the Add button.
1443	1443
1444		-[[image:image-20220524094909-3.png||height="338" width="727"]]
	1414	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1445	1445
1446	1446
1447		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
	1417	+Your integration is added to the integrations list and it will display on the Integrations page.
1448	1448
	1419	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1449	1449
1450		-[[image:image-20220524094909-5.png||height="341" width="734"]]
1451	1451
	1422	+== 3.6 Interface Details ==
1452	1452
1453		-== 3.6 Interface Detail ==
1454		-
1455	1455	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1456	1456
1457	1457
1458		-Support NPN Type sensor
	1427	+Support NPN-type sensor
1459	1459
1460	1460	[[image:1653356991268-289.png]]
1461	1461
1462	1462
1463		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
	1432	+=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1464	1464
1465	1465
1466	1466	(((
1467		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1436	+The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1468	1468	)))
1469	1469
1470	1470	(((
1471	1471	(((
1472		-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.
	1441	+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.
1473	1473
1474	1474
1475	1475	)))
...	...	@@ -1479,7 +1479,7 @@
1479	1479
1480	1480	(((
1481	1481	(((
1482		-When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1451	+(% 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.
1483	1483	)))
1484	1484	)))
1485	1485
...	...	@@ -1488,22 +1488,22 @@
1488	1488	)))
1489	1489
1490	1490	(((
1491		-(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
	1460	+(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1492	1492	)))
1493	1493
1494	1494	(((
1495		-This type of sensor will output a low signal GND when active.
	1464	+This type of sensor outputs a low (GND) signal when active.
1496	1496	)))
1497	1497
1498	1498	* (((
1499		-Connect sensor's output to DI1-
	1468	+Connect the sensor's output to DI1-
1500	1500	)))
1501	1501	* (((
1502		-Connect sensor's VCC to DI1+.
	1471	+Connect the sensor's VCC to DI1+.
1503	1503	)))
1504	1504
1505	1505	(((
1506		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
	1475	+When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1507	1507	)))
1508	1508
1509	1509	(((
...	...	@@ -1511,7 +1511,7 @@
1511	1511	)))
1512	1512
1513	1513	(((
1514		-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.
	1483	+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.
1515	1515	)))
1516	1516
1517	1517	(((
...	...	@@ -1519,22 +1519,22 @@
1519	1519	)))
1520	1520
1521	1521	(((
1522		-(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
	1491	+(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1523	1523	)))
1524	1524
1525	1525	(((
1526		-This type of sensor will output a high signal (example 24v) when active.
	1495	+This type of sensor outputs a high signal (e.g., 24V) when active.
1527	1527	)))
1528	1528
1529	1529	* (((
1530		-Connect sensor's output to DI1+
	1499	+Connect the sensor's output to DI1+
1531	1531	)))
1532	1532	* (((
1533		-Connect sensor's GND DI1-.
	1502	+Connect the sensor's GND DI1-.
1534	1534	)))
1535	1535
1536	1536	(((
1537		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1506	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1538	1538	)))
1539	1539
1540	1540	(((
...	...	@@ -1542,7 +1542,7 @@
1542	1542	)))
1543	1543
1544	1544	(((
1545		-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.
	1514	+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.
1546	1546	)))
1547	1547
1548	1548	(((
...	...	@@ -1550,22 +1550,22 @@
1550	1550	)))
1551	1551
1552	1552	(((
1553		-(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
	1522	+(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1554	1554	)))
1555	1555
1556	1556	(((
1557		-Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1526	+Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler
1558	1558	)))
1559	1559
1560	1560	* (((
1561		-Connect sensor's output to DI1+ with a serial 50K resistor
	1530	+Connect the sensor's output to DI1+ with a 50K resistor in series.
1562	1562	)))
1563	1563	* (((
1564		-Connect sensor's GND DI1-.
	1533	+Connect the sensor's GND DI1-.
1565	1565	)))
1566	1566
1567	1567	(((
1568		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1537	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1569	1569	)))
1570	1570
1571	1571	(((
...	...	@@ -1573,37 +1573,37 @@
1573	1573	)))
1574	1574
1575	1575	(((
1576		-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.
	1545	+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.
1577	1577	)))
1578	1578
1579	1579
1580		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1549	+(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1581	1581
1582		-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.
	1551	+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.
1583	1583
1584		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1553	+To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1585	1585
1586	1586	[[image:image-20230616235145-1.png]]
1587	1587
1588		-(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1557	+(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1589	1589
1590	1590	[[image:image-20240219115718-1.png]]
1591	1591
1592	1592
1593		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1562	+=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1594	1594
1595	1595
1596		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1565	+(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1597	1597
1598		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
	1567	+(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1599	1599
1600	1600	[[image:1653357531600-905.png]]
1601	1601
1602	1602
1603		-=== 3.6.4 Analog Input Interface ===
	1572	+=== 3.6.4 Analog Input Interfaces ===
1604	1604
1605	1605
1606		-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:
	1575	+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:
1607	1607
1608	1608
1609	1609	(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
...	...	@@ -1610,14 +1610,14 @@
1610	1610
1611	1611	[[image:1653357592296-182.png]]
1612	1612
1613		-Example to connect a 4~~20mA sensor
	1582	+Example: Connecting a 4~~20mA sensor
1614	1614
1615		-We take the wind speed sensor as an example for reference only.
	1584	+We will use the wind speed sensor as an example for reference only.
1616	1616
1617	1617
1618	1618	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1619	1619
1620		-(% style="color:red" %)**Red:  12~~24v**
	1589	+(% style="color:red" %)**Red:  12~~24V**
1621	1621
1622	1622	(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1623	1623
...	...	@@ -1630,7 +1630,7 @@
1630	1630	[[image:1653357648330-671.png||height="155" width="733"]]
1631	1631
1632	1632
1633		-Example connected to a regulated power supply to measure voltage
	1602	+Example: Connecting to a regulated power supply to measure voltage
1634	1634
1635	1635	[[image:image-20230608101532-1.png||height="606" width="447"]]
1636	1636
...	...	@@ -1639,7 +1639,7 @@
1639	1639	[[image:image-20230608101722-3.png||height="102" width="1139"]]
1640	1640
1641	1641
1642		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1611	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1643	1643
1644	1644	(% style="color:red" %)**Red:  12~~24v**
1645	1645
...	...	@@ -1650,9 +1650,9 @@
1650	1650
1651	1651
1652	1652	(((
1653		-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:
	1622	+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:
1654	1654
1655		-**Note**: RO pins go to Open(NO) when device is power off.
	1624	+**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1656	1656	)))
1657	1657
1658	1658	[[image:image-20220524100215-9.png]]
...	...	@@ -1667,9 +1667,6 @@
1667	1667	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1668	1668	|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1669	1669	|**PWR**|Always on if there is power
1670		-|**SYS**|(((
1671		-After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1672		-)))
1673	1673	|**TX**|(((
1674	1674	(((
1675	1675	Device boot: TX blinks 5 times.
...	...	@@ -1683,40 +1683,32 @@
1683	1683	Transmit a LoRa packet: TX blinks once
1684	1684	)))
1685	1685	)))
1686		-|**RX**|RX blinks once when receive a packet.
1687		-|**DO1**|
1688		-|**DO2**|
1689		-|**DO3**|
1690		-|**DI2**|(((
1691		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1652	+|**RX**|RX blinks once when receiving a packet.
	1653	+|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
	1654	+|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
	1655	+|**DI1**|(((
	1656	+For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1692	1692	)))
1693	1693	|**DI2**|(((
1694		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1659	+For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1695	1695	)))
1696		-|**DI2**|(((
1697		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1698		-)))
1699		-|**RO1**|
1700		-|**RO2**|
	1661	+|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
	1662	+|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1701	1701
1702		-= 4. Use AT Command =
	1664	+= 4. Using AT Command =
1703	1703
1704		-== 4.1 Access AT Command ==
	1666	+== 4.1 Connecting the LT-22222-L to a computer ==
1705	1705
1706	1706
1707	1707	(((
1708		-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.
	1670	+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.
1709	1709	)))
1710	1710
1711		-(((
1712		-
1713		-)))
1714		-
1715	1715	[[image:1653358238933-385.png]]
1716	1716
1717	1717
1718	1718	(((
1719		-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:
	1677	+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:
1720	1720	)))
1721	1721
1722	1722	[[image:1653358355238-883.png]]
...	...	@@ -1723,10 +1723,12 @@
1723	1723
1724	1724
1725	1725	(((
1726		-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/]]
	1684	+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/]]
1727	1727	)))
1728	1728
1729	1729	(((
	1688	+The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
	1689	+
1730	1730	AT+<CMD>?        : Help on <CMD>
1731	1731	)))
1732	1732
...	...	@@ -2051,10 +2051,10 @@
2051	2051
2052	2052	= 5. Case Study =
2053	2053
2054		-== 5.1 Counting how many objects pass in Flow Line ==
	2014	+== 5.1 Counting how many objects pass through the flow Line ==
2055	2055
2056	2056
2057		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
	2017	+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]]?
2058	2058
2059	2059
2060	2060	= 6. FAQ =
...	...	@@ -2062,26 +2062,26 @@
2062	2062	== 6.1 How to upgrade the image? ==
2063	2063
2064	2064
2065		-The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
	2025	+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:
2066	2066
2067		-* Support new features
2068		-* For bug fix
	2027	+* Support new features.
	2028	+* Fix bugs.
2069	2069	* Change LoRaWAN bands.
2070	2070
2071		-Below shows the hardware connection for how to upload an image to the LT:
	2031	+Below is the hardware connection setup for uploading an image to the LT:
2072	2072
2073	2073	[[image:1653359603330-121.png]]
2074	2074
2075	2075
2076	2076	(((
2077		-(% 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]].
2078		-(% 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]].
2079		-(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
	2037	+(% 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]].
	2038	+(% 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]].
	2039	+(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2080	2080
2081	2081
2082	2082	(((
2083	2083	(% style="color:blue" %)**For LT-22222-L**(%%):
2084		-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.
	2044	+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.
2085	2085	)))
2086	2086
2087	2087
...	...	@@ -2096,7 +2096,7 @@
2096	2096	[[image:image-20220524104033-15.png]]
2097	2097
2098	2098
2099		-(% 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:
	2059	+(% 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:
2100	2100
2101	2101	[[image:1653360054704-518.png||height="186" width="745"]]
2102	2102
...	...	@@ -2110,13 +2110,13 @@
2110	2110	)))
2111	2111
2112	2112	(((
2113		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	2073	+You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2114	2114	)))
2115	2115
2116	2116	(((
2117	2117
2118	2118
2119		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2079	+== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2120	2120
2121	2121
2122	2122	)))
...	...	@@ -2123,13 +2123,13 @@
2123	2123
2124	2124	(((
2125	2125	(((
2126		-In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	2086	+In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2127	2127	)))
2128	2128	)))
2129	2129
2130	2130	(((
2131	2131	(((
2132		-Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	2092	+Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2133	2133
2134	2134
2135	2135	)))
...	...	@@ -2136,7 +2136,7 @@
2136	2136	)))
2137	2137
2138	2138	(((
2139		-(% 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.
	2099	+(% 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.
2140	2140
2141	2141
2142	2142	)))
...	...	@@ -2193,7 +2193,7 @@
2193	2193	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/]]
2194	2194
2195	2195
2196		-== 6.5 Can I see counting event in Serial? ==
	2156	+== 6.5 Can I see the counting event in Serial? ==
2197	2197
2198	2198
2199	2199	(((
...	...	@@ -2200,10 +2200,10 @@
2200	2200	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.
2201	2201
2202	2202
2203		-== 6.6 Can i use point to point communication for LT-22222-L? ==
	2163	+== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2204	2204
2205	2205
2206		-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]].
	2166	+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]].
2207	2207
2208	2208
2209	2209	)))

lt-22222-l-dev-repo-p1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+391.8 KB

Content

lt-22222-l-dev-repo-reg-p1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+391.7 KB

Content

lt-22222-l-dev-repo-reg-p2.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+319.1 KB

Content

lt-22222-l-manually-p1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+306.6 KB

Content

lt-22222-l-manually-p2.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+279.1 KB

Content

thingseye-io-step-1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+191.8 KB

Content

thingseye-io-step-2.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+260.3 KB

Content

thingseye-io-step-3.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+336.6 KB

Content

thingseye-io-step-4.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+361.1 KB

Content

thingseye-io-step-5.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+292.1 KB

Content

thingseye-io-step-6.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+203.8 KB

Content

tts-mqtt-integration.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.pradeeka

Size

...	...	@@ -1,0 +1,1 @@
	1	+306.4 KB

Content