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

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Title

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1		-LT-22222-L LoRa IO Controller User Manual
	1	+LT-22222-L -- LoRa IO Controller User Manual

Author

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1		-XWiki.Xiaoling
	1	+XWiki.pradeeka

Content

...	...	@@ -3,6 +3,10 @@
3	3
4	4
5	5
	6	+
	7	+
	8	+
	9	+
6	6	**Table of Contents:**
7	7
8	8	{{toc/}}
...	...	@@ -13,38 +13,32 @@
13	13
14	14
15	15
16		-= 1.Introduction =
	20	+= 1. Introduction =
17	17
18		-== 1.1 What is LT Series I/O Controller ==
	22	+== 1.1 What is the LT-22222-L I/O Controller? ==
19	19
20	20	(((
21		-
22		-
23	23	(((
24		-The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25		-)))
26		-)))
	26	+The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27	27
28		-(((
29		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	28	+The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
30	30	)))
31		-
32		-(((
33		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34	34	)))
35	35
36	36	(((
37		-The use environment includes:
	33	+With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38	38	)))
39	39
40		-(((
41		-1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42		-)))
	36	+> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43	43
44	44	(((
45		-2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	39	+You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46	46
47		-
	41	+* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
	42	+* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
	43	+* Setup your own private LoRaWAN network.
	44	+
	45	+> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
48	48	)))
49	49
50	50	(((
...	...	@@ -55,162 +55,69 @@
55	55
56	56	== 1.2 Specifications ==
57	57
58		-(((
59		-
60		-
61	61	(% style="color:#037691" %)**Hardware System:**
62		-)))
63	63
64		-* (((
65		-STM32L072xxxx MCU
66		-)))
67		-* (((
68		-SX1276/78 Wireless Chip
69		-)))
70		-* (((
71		-(((
72		-Power Consumption:
73		-)))
	58	+* STM32L072xxxx MCU
	59	+* SX1276/78 Wireless Chip
	60	+* Power Consumption:
	61	+** Idle: 4mA@12v
	62	+** 20dB Transmit: 34mA@12v
	63	+* Operating Temperature: -40 ~~ 85 Degrees, No Dew
74	74
75		-* (((
76		-Idle: 4mA@12v
77		-)))
78		-* (((
79		-20dB Transmit: 34mA@12v
80		-)))
81		-)))
82		-
83		-(((
84		-
85		-
86	86	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
87		-)))
88	88
89		-* (((
90		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91		-)))
92		-* (((
93		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94		-)))
95		-* (((
96		-2 x Relay Output (5A@250VAC / 30VDC)
97		-)))
98		-* (((
99		-2 x 0~~20mA Analog Input (res:0.01mA)
100		-)))
101		-* (((
102		-2 x 0~~30V Analog Input (res:0.01v)
103		-)))
104		-* (((
105		-Power Input 7~~ 24V DC.
106		-)))
	67	+* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	68	+* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
	69	+* 2 x Relay Output (5A@250VAC / 30VDC)
	70	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	71	+* 2 x 0~~30V Analog Input (res:0.01v)
	72	+* Power Input 7~~ 24V DC.
107	107
108		-(((
109		-
110		-
111	111	(% style="color:#037691" %)**LoRa Spec:**
112		-)))
113	113
114		-* (((
115		-(((
116		-Frequency Range:
117		-)))
	76	+* Frequency Range:
	77	+** Band 1 (HF): 862 ~~ 1020 Mhz
	78	+** Band 2 (LF): 410 ~~ 528 Mhz
	79	+* 168 dB maximum link budget.
	80	+* +20 dBm - 100 mW constant RF output vs.
	81	+* +14 dBm high-efficiency PA.
	82	+* Programmable bit rate up to 300 kbps.
	83	+* High sensitivity: down to -148 dBm.
	84	+* Bullet-proof front end: IIP3 = -12.5 dBm.
	85	+* Excellent blocking immunity.
	86	+* Low RX current of 10.3 mA, 200 nA register retention.
	87	+* Fully integrated synthesizer with a resolution of 61 Hz.
	88	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	89	+* Built-in bit synchronizer for clock recovery.
	90	+* Preamble detection.
	91	+* 127 dB Dynamic Range RSSI.
	92	+* Automatic RF Sense and CAD with ultra-fast AFC.
	93	+* Packet engine up to 256 bytes with CRC.
118	118
119		-* (((
120		-Band 1 (HF): 862 ~~ 1020 Mhz
121		-)))
122		-* (((
123		-Band 2 (LF): 410 ~~ 528 Mhz
124		-)))
125		-)))
126		-* (((
127		-168 dB maximum link budget.
128		-)))
129		-* (((
130		-+20 dBm - 100 mW constant RF output vs.
131		-)))
132		-* (((
133		-+14 dBm high efficiency PA.
134		-)))
135		-* (((
136		-Programmable bit rate up to 300 kbps.
137		-)))
138		-* (((
139		-High sensitivity: down to -148 dBm.
140		-)))
141		-* (((
142		-Bullet-proof front end: IIP3 = -12.5 dBm.
143		-)))
144		-* (((
145		-Excellent blocking immunity.
146		-)))
147		-* (((
148		-Low RX current of 10.3 mA, 200 nA register retention.
149		-)))
150		-* (((
151		-Fully integrated synthesizer with a resolution of 61 Hz.
152		-)))
153		-* (((
154		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155		-)))
156		-* (((
157		-Built-in bit synchronizer for clock recovery.
158		-)))
159		-* (((
160		-Preamble detection.
161		-)))
162		-* (((
163		-127 dB Dynamic Range RSSI.
164		-)))
165		-* (((
166		-Automatic RF Sense and CAD with ultra-fast AFC.
167		-)))
168		-* (((
169		-Packet engine up to 256 bytes with CRC.
170		-
171		-
172		-
173		-)))
174		-
175	175	== 1.3 Features ==
176	176
177		-
178	178	* LoRaWAN Class A & Class C protocol
179		-
180	180	* Optional Customized LoRa Protocol
181		-
182	182	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183		-
184	184	* AT Commands to change parameters
185		-
186		-* Remote configure parameters via LoRa Downlink
187		-
	101	+* Remotely configure parameters via LoRaWAN Downlink
188	188	* Firmware upgradable via program port
189		-
190	190	* Counting
191	191
192		-
193	193	== 1.4 Applications ==
194	194
195		-
196	196	* Smart Buildings & Home Automation
197		-
198	198	* Logistics and Supply Chain Management
199		-
200	200	* Smart Metering
201		-
202	202	* Smart Agriculture
203		-
204	204	* Smart Cities
205		-
206	206	* Smart Factory
207	207
208		-
209	209	== 1.5 Hardware Variants ==
210	210
211	211
212	212	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
213		-|(% style="background-color:#4F81BD;color:white; width:103px" %)**Model**|(% style="background-color:#4F81BD;color:white; width:131px" %)**Photo**|(% style="background-color:#4F81BD;color:white; width:266px" %)**Description**
	118	+|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
214	214	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215	215	(% style="text-align:center" %)
216	216	[[image:image-20230424115112-1.png||height="106" width="58"]]
...	...	@@ -223,93 +223,140 @@
223	223	* 1 x Counting Port
224	224	)))
225	225
	131	+= 2. Assembling the Device =
226	226
227		-= 2. Power ON Device =
	133	+== 2.1 What is included in the package? ==
228	228
	135	+The package includes the following items:
229	229
230		-(((
231		-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.
232		-)))
	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
233	233
234		-(((
235		-PWR will on when device is properly powered.
	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.
236	236
237		-
238		-)))
	144	+== 2.2 Terminals ==
239	239
	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	+
240	240	[[image:1653297104069-180.png]]
241	241
242	242
243	243	= 3. Operation Mode =
244	244
245		-== 3.1 How it works? ==
	182	+== 3.1 How does it work? ==
246	246
	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.
247	247
248		-(((
249		-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.
250		-)))
	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.
251	251
252		-(((
253		-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.
254		-)))
	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.
255	255
	190	+== 3.2 Registering with a LoRaWAN network server ==
256	256
257		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
258	258
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
259	259
260		-(((
261		-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 ===
262	262
263		-
264		-)))
	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.
265	265
266		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
267	267
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
268	268
269		-(((
270		-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) ===
271	271
272		-
273		-)))
	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:
274	274
275		-(((
276		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
277		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
278	278
279		-(((
280		-Each LT is shipped with a sticker with the default device EUI as below:
281		-)))
	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.
282	282
283		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
284	284
	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.
285	285
286		-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"]]
287	287
288		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
289	289
290		-[[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**.
291	291
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
292	292
293		-**Add APP KEY and DEV EUI**
294	294
295		-[[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.
296	296
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
297	297
298		-(((
299		-(% 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.
300	300
301		-
302		-)))
	252	+==== Joining ====
303	303
	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	+
304	304	[[image:1653298044601-602.png||height="405" width="709"]]
305	305
306	306
307		-== 3.3 Uplink Payload ==
	259	+== 3.3 Uplink Payload formats ==
308	308
309	309
310		-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.
311	311
312		-* (% 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
313	313
314	314	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
315	315
...	...	@@ -321,15 +321,14 @@
321	321
322	322	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323	323
324		-
325	325	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
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		-|(% 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**
	283	+|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
333	333	|Value|(((
334	334	AVI1 voltage
335	335	)))|(((
...	...	@@ -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
...	...	@@ -370,39 +370,35 @@
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		-
394	394	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
395	395
396	396
397	397	(((
398		-**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.
399	399	)))
400	400
401	401	(((
402		-Total : 11 bytes payload
	349	+The uplink payload is 11 bytes long.
403	403
404	404	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
405		-|(% 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**
	352	+|(% 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**
406	406	|Value|COUNT1|COUNT2 |DIDORO*|(((
407	407	Reserve
408	408	)))|MOD
...	...	@@ -409,26 +409,26 @@
409	409	)))
410	410
411	411	(((
412		-(% 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.
413	413
414	414	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
416		-|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
417	417
418		-RO is for relay. ROx=1 : close , ROx=0 always open.
	365	+* RO is for the relay. ROx=1: closed, ROx=0 always open.
419	419	)))
420	420
421		-* FIRST: Indicate this is the first packet after join network.
422		-* 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.
423	423
424	424	(((
425		-(% 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**
426	426
427	427
428	428	)))
429	429
430	430	(((
431		-**To use counting mode, please run:**
	378	+**To activate this mode, run the following AT commands:**
432	432	)))
433	433
434	434	(((
...	...	@@ -449,17 +449,17 @@
449	449	(((
450	450	**For LT22222-L:**
451	451
452		-(% 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) **
453	453
454		-(% 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) **
455	455
456		-(% 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) **
457	457
458		-(% 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) **
459	459
460		-(% 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)**
461	461
462		-(% 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)**
463	463	)))
464	464
465	465
...	...	@@ -466,10 +466,10 @@
466	466	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
467	467
468	468
469		-**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.
470	470
471	471	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
472		-|(% 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**
	419	+|(% 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**
473	473	|Value|COUNT1|(((
474	474	ACI1 Current
475	475	)))|(((
...	...	@@ -477,24 +477,24 @@
477	477	)))|DIDORO*|Reserve|MOD
478	478
479	479	(((
480		-(% 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.
481	481
482	482	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
483		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
484		-|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
485	485	)))
486	486
487		-* RO is for relay. ROx=1 : close, ROx=0 always open.
488		-* FIRST: Indicate this is the first packet after join network.
489		-* 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.
490	490
491	491	(((
492		-(% 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.**
493	493	)))
494	494
495	495
496	496	(((
497		-**To use counting mode, please run:**
	444	+**To activate this mode, run the following AT commands:**
498	498	)))
499	499
500	500	(((
...	...	@@ -507,7 +507,9 @@
507	507	)))
508	508
509	509	(((
510		-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.
511	511	)))
512	512
513	513
...	...	@@ -515,14 +515,14 @@
515	515
516	516
517	517	(((
518		-**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.
519	519	)))
520	520
521	521	(((
522		-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.
523	523
524	524	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525		-|(% 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**
	474	+|(% 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**
526	526	|Value|COUNT1|AVI1 Counting|DIDORO*|(((
527	527	Reserve
528	528	)))|MOD
...	...	@@ -529,25 +529,25 @@
529	529	)))
530	530
531	531	(((
532		-(% 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.
533	533
534	534	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
536		-|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
537	537	)))
538	538
539		-* RO is for relay. ROx=1 : close, ROx=0 always open.
540		-* FIRST: Indicate this is the first packet after join network.
541		-* 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.
542	542
543	543	(((
544		-(% 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.**
545	545
546	546
547	547	)))
548	548
549	549	(((
550		-**To use this mode, please run:**
	499	+**To activate this mode, run the following AT commands:**
551	551	)))
552	552
553	553	(((
...	...	@@ -560,19 +560,19 @@
560	560	)))
561	561
562	562	(((
563		-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.
564	564	)))
565	565
566	566	(((
567		-**Plus below command for AVI1 Counting:**
	516	+**In addition to that, below are the commands for AVI1 Counting:**
568	568
569		-(% 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)**
570	570
571	571	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
572	572
573	573	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
574	574
575		-(% 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)**
576	576	)))
577	577
578	578
...	...	@@ -579,10 +579,10 @@
579	579	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
580	580
581	581
582		-**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.
583	583
584	584	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
585		-|(% 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**
	534	+|(% 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**
586	586	|Value|(((
587	587	AVI1 voltage
588	588	)))|(((
...	...	@@ -594,25 +594,25 @@
594	594	)))|MOD
595	595
596	596	(((
597		-(% 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.
598	598
599	599	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
600		-|**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**
601	601	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
602	602	)))
603	603
604		-* RO is for relay. ROx=1 : close, ROx=0 always open.
605		-* 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.
606	606	* (((
607		-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.
608	608	)))
609	609
610	610	(((
611		-(% 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.**
612	612	)))
613	613
614	614	(((
615		-**To use this mode, please run:**
	564	+**To activate this mode, run the following AT commands:**
616	616	)))
617	617
618	618	(((
...	...	@@ -625,7 +625,7 @@
625	625	)))
626	626
627	627	(((
628		-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.
629	629	)))
630	630
631	631
...	...	@@ -632,23 +632,22 @@
632	632	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
633	633
634	634
635		-(% 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.**
636	636
637		-For example, if user has configured below commands:
	586	+For example, if you configured the following commands:
638	638
639	639	* **AT+MOD=1 ** **~-~->**  The normal working mode
640		-* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
	589	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
641	641
642		-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:
643	643
644		-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
645		-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.**
646	646
647	647	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
648	648
	598	+(% style="color:#4f81bd" %)**Trigger based on voltage**:
649	649
650		-(% style="color:#4f81bd" %)**Trigger base on voltage**:
651		-
652	652	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
653	653
654	654
...	...	@@ -659,9 +659,8 @@
659	659	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
660	660
661	661
	610	+(% style="color:#4f81bd" %)**Trigger based on current**:
662	662
663		-(% style="color:#4f81bd" %)**Trigger base on current**:
664		-
665	665	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
666	666
667	667
...	...	@@ -670,11 +670,10 @@
670	670	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
671	671
672	672
	620	+(% style="color:#4f81bd" %)**Trigger based on DI status**:
673	673
674		-(% style="color:#4f81bd" %)**Trigger base on DI status**:
	622	+DI status triggers Flag.
675	675
676		-DI status trigger Flag.
677		-
678	678	Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
679	679
680	680
...	...	@@ -715,10 +715,10 @@
715	715
716	716	(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
717	717
718		-MOD6 Payload : total 11 bytes payload
	664	+MOD6 Payload: total 11 bytes payload
719	719
720	720	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
721		-|(% 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**
	667	+|(% 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**
722	722	|Value|(((
723	723	TRI_A FLAG
724	724	)))|(((
...	...	@@ -729,7 +729,7 @@
729	729	MOD(6)
730	730	)))
731	731
732		-(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
	678	+(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1byte as below
733	733
734	734	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
735	735	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
...	...	@@ -837,7 +837,6 @@
837	837
838	838	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
839	839
840		-
841	841	=== 3.4.1 Common Commands ===
842	842
843	843
...	...	@@ -1047,7 +1047,7 @@
1047	1047	01: Low,  00: High ,  11: No action
1048	1048
1049	1049	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1050		-|(% style="background-color:#4F81BD;color:white" %)**Downlink Code**|(% style="background-color:#4F81BD;color:white" %)**DO1**|(% style="background-color:#4F81BD;color:white" %)**DO2**|(% style="background-color:#4F81BD;color:white" %)**DO3**
	995	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1051	1051	|02  01  00  11|Low|High|No Action
1052	1052	|02  00  11  01|High|No Action|Low
1053	1053	|02  11  01  00|No Action|Low|High
...	...	@@ -1090,7 +1090,7 @@
1090	1090	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1091	1091
1092	1092	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1093		-|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
	1038	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1094	1094	|0x01|DO1 set to low
1095	1095	|0x00|DO1 set to high
1096	1096	|0x11|DO1 NO Action
...	...	@@ -1098,7 +1098,7 @@
1098	1098	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1099	1099
1100	1100	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1101		-|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
	1046	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1102	1102	|0x01|DO2 set to low
1103	1103	|0x00|DO2 set to high
1104	1104	|0x11|DO2 NO Action
...	...	@@ -1106,7 +1106,7 @@
1106	1106	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1107	1107
1108	1108	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1109		-|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
	1054	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1110	1110	|0x01|DO3 set to low
1111	1111	|0x00|DO3 set to high
1112	1112	|0x11|DO3 NO Action
...	...	@@ -1161,10 +1161,10 @@
1161	1161	)))
1162	1162
1163	1163	(((
1164		-01: Close ,  00: Open , 11: No action
	1109	+00: Closed ,  01: Open , 11: No action
1165	1165
1166	1166	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1167		-|(% style="background-color:#4F81BD;color:white" %)**Downlink Code**|(% style="background-color:#4F81BD;color:white" %)**RO1**|(% style="background-color:#4F81BD;color:white" %)**RO2**
	1112	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1168	1168	|03  00  11|Open|No Action
1169	1169	|03  01  11|Close|No Action
1170	1170	|03  11  00|No Action|Open
...	...	@@ -1283,7 +1283,7 @@
1283	1283
1284	1284
1285	1285
1286		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
	1231	+==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1287	1287
1288	1288
1289	1289	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1404,74 +1404,91 @@
1404	1404	[[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"]]
1405	1405
1406	1406
1407		-== 3.5 Integrate with Mydevice ==
	1352	+== 3.5 Integrating with ThingsEye.io ==
1408	1408
	1354	+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.
1409	1409
1410		-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:
	1356	+=== 3.5.1 Configuring The Things Stack Sandbox ===
1411	1411
1412		-(((
1413		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1414		-)))
	1358	+* Go to your Application and select MQTT under Integrations.
	1359	+* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
	1360	+* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1415	1415
1416		-(((
1417		-(% 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:
	1362	+[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1418	1418
1419		-
1420		-)))
	1364	+=== 3.5.2 Configuring ThingsEye.io ===
1421	1421
1422		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1366	+* Login to your thingsEye.io account.
	1367	+* Under the Integrations center, click Integrations.
	1368	+* Click the Add integration button (the button with the + symbol).
1423	1423
	1370	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1424	1424
1425	1425
1426		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1373	+On the Add integration page configure the following:
1427	1427
	1375	+Basic settings:
1428	1428
1429		-(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
	1377	+* Select The Things Stack Community from the Integration type list.
	1378	+* Enter a suitable name for your integration in the Name box or keep the default name.
	1379	+* Click the Next button.
1430	1430
1431		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1381	+[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1432	1432
1433		-Search under The things network
	1383	+Uplink Data converter:
1434	1434
1435		-[[image:1653356838789-523.png||height="337" width="740"]]
	1385	+* Click the Create New button if it is not selected by default.
	1386	+* Click the JavaScript button.
	1387	+* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1388	+* Click the Next button.
1436	1436
	1390	+[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1437	1437
1438		-After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	1392	+Downlink Data converter (this is an optional step):
1439	1439
1440		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1394	+* Click the Create new button if it is not selected by default.
	1395	+* Click the JavaScript button.
	1396	+* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1397	+* Click the Next button.
1441	1441
	1399	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1442	1442
1443		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1401	+Connection:
1444	1444
	1403	+* Choose Region from the Host type.
	1404	+* Enter the cluster of your The Things Stack in the Region textbox.
	1405	+* 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.
	1406	+* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
	1407	+* Click the Add button.
1445	1445
1446		-[[image:image-20220524094909-3.png||height="338" width="727"]]
	1409	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1447	1447
1448	1448
1449		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
	1412	+Your integration is added to the integrations list and it will display on the Integrations page.
1450	1450
	1414	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1451	1451
1452		-[[image:image-20220524094909-5.png||height="341" width="734"]]
1453	1453
	1417	+== 3.6 Interface Details ==
1454	1454
1455		-== 3.6 Interface Detail ==
1456		-
1457	1457	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1458	1458
1459	1459
1460		-Support NPN Type sensor
	1422	+Support NPN-type sensor
1461	1461
1462	1462	[[image:1653356991268-289.png]]
1463	1463
1464	1464
1465		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
	1427	+=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1466	1466
1467	1467
1468	1468	(((
1469		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1431	+The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1470	1470	)))
1471	1471
1472	1472	(((
1473	1473	(((
1474		-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.
	1436	+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.
1475	1475
1476	1476
1477	1477	)))
...	...	@@ -1481,7 +1481,7 @@
1481	1481
1482	1482	(((
1483	1483	(((
1484		-When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1446	+(% 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.
1485	1485	)))
1486	1486	)))
1487	1487
...	...	@@ -1490,22 +1490,22 @@
1490	1490	)))
1491	1491
1492	1492	(((
1493		-(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
	1455	+(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1494	1494	)))
1495	1495
1496	1496	(((
1497		-This type of sensor will output a low signal GND when active.
	1459	+This type of sensor outputs a low (GND) signal when active.
1498	1498	)))
1499	1499
1500	1500	* (((
1501		-Connect sensor's output to DI1-
	1463	+Connect the sensor's output to DI1-
1502	1502	)))
1503	1503	* (((
1504		-Connect sensor's VCC to DI1+.
	1466	+Connect the sensor's VCC to DI1+.
1505	1505	)))
1506	1506
1507	1507	(((
1508		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
	1470	+When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1509	1509	)))
1510	1510
1511	1511	(((
...	...	@@ -1513,7 +1513,7 @@
1513	1513	)))
1514	1514
1515	1515	(((
1516		-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.
	1478	+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.
1517	1517	)))
1518	1518
1519	1519	(((
...	...	@@ -1521,22 +1521,22 @@
1521	1521	)))
1522	1522
1523	1523	(((
1524		-(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
	1486	+(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1525	1525	)))
1526	1526
1527	1527	(((
1528		-This type of sensor will output a high signal (example 24v) when active.
	1490	+This type of sensor outputs a high signal (e.g., 24V) when active.
1529	1529	)))
1530	1530
1531	1531	* (((
1532		-Connect sensor's output to DI1+
	1494	+Connect the sensor's output to DI1+
1533	1533	)))
1534	1534	* (((
1535		-Connect sensor's GND DI1-.
	1497	+Connect the sensor's GND DI1-.
1536	1536	)))
1537	1537
1538	1538	(((
1539		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1501	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1540	1540	)))
1541	1541
1542	1542	(((
...	...	@@ -1544,7 +1544,7 @@
1544	1544	)))
1545	1545
1546	1546	(((
1547		-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.
	1509	+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.
1548	1548	)))
1549	1549
1550	1550	(((
...	...	@@ -1552,22 +1552,22 @@
1552	1552	)))
1553	1553
1554	1554	(((
1555		-(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
	1517	+(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1556	1556	)))
1557	1557
1558	1558	(((
1559		-Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1521	+Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler
1560	1560	)))
1561	1561
1562	1562	* (((
1563		-Connect sensor's output to DI1+ with a serial 50K resistor
	1525	+Connect the sensor's output to DI1+ with a 50K resistor in series.
1564	1564	)))
1565	1565	* (((
1566		-Connect sensor's GND DI1-.
	1528	+Connect the sensor's GND DI1-.
1567	1567	)))
1568	1568
1569	1569	(((
1570		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1532	+When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1571	1571	)))
1572	1572
1573	1573	(((
...	...	@@ -1575,33 +1575,37 @@
1575	1575	)))
1576	1576
1577	1577	(((
1578		-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.
	1540	+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.
1579	1579	)))
1580	1580
1581	1581
1582		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1544	+(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1583	1583
1584		-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.
	1546	+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.
1585	1585
1586		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1548	+To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1587	1587
1588	1588	[[image:image-20230616235145-1.png]]
1589	1589
	1552	+(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1590	1590
1591		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1554	+[[image:image-20240219115718-1.png]]
1592	1592
1593	1593
1594		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1557	+=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1595	1595
1596		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1597	1597
	1560	+(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
	1561	+
	1562	+(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
	1563	+
1598	1598	[[image:1653357531600-905.png]]
1599	1599
1600	1600
1601		-=== 3.6.4 Analog Input Interface ===
	1567	+=== 3.6.4 Analog Input Interfaces ===
1602	1602
1603	1603
1604		-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:
	1570	+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:
1605	1605
1606	1606
1607	1607	(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
...	...	@@ -1608,14 +1608,14 @@
1608	1608
1609	1609	[[image:1653357592296-182.png]]
1610	1610
1611		-Example to connect a 4~~20mA sensor
	1577	+Example: Connecting a 4~~20mA sensor
1612	1612
1613		-We take the wind speed sensor as an example for reference only.
	1579	+We will use the wind speed sensor as an example for reference only.
1614	1614
1615	1615
1616	1616	(% style="color:blue" %)**Specifications of the wind speed sensor:**
1617	1617
1618		-(% style="color:red" %)**Red:  12~~24v**
	1584	+(% style="color:red" %)**Red:  12~~24V**
1619	1619
1620	1620	(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1621	1621
...	...	@@ -1628,7 +1628,7 @@
1628	1628	[[image:1653357648330-671.png||height="155" width="733"]]
1629	1629
1630	1630
1631		-Example connected to a regulated power supply to measure voltage
	1597	+Example: Connecting to a regulated power supply to measure voltage
1632	1632
1633	1633	[[image:image-20230608101532-1.png||height="606" width="447"]]
1634	1634
...	...	@@ -1637,7 +1637,7 @@
1637	1637	[[image:image-20230608101722-3.png||height="102" width="1139"]]
1638	1638
1639	1639
1640		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1606	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1641	1641
1642	1642	(% style="color:red" %)**Red:  12~~24v**
1643	1643
...	...	@@ -1648,9 +1648,9 @@
1648	1648
1649	1649
1650	1650	(((
1651		-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:
	1617	+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:
1652	1652
1653		-**Note**: RO pins go to Open(NO) when device is power off.
	1619	+**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1654	1654	)))
1655	1655
1656	1656	[[image:image-20220524100215-9.png]]
...	...	@@ -1662,12 +1662,9 @@
1662	1662	== 3.7 LEDs Indicators ==
1663	1663
1664	1664
1665		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1666		-|(% style="background-color:#4F81BD;color:white; width:50px" %)**LEDs**|(% style="background-color:#4F81BD;color:white; width:470px" %)**Feature**
	1631	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1632	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1667	1667	|**PWR**|Always on if there is power
1668		-|**SYS**|(((
1669		-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.
1670		-)))
1671	1671	|**TX**|(((
1672	1672	(((
1673	1673	Device boot: TX blinks 5 times.
...	...	@@ -1681,41 +1681,32 @@
1681	1681	Transmit a LoRa packet: TX blinks once
1682	1682	)))
1683	1683	)))
1684		-|**RX**|RX blinks once when receive a packet.
1685		-|**DO1**|
1686		-|**DO2**|
1687		-|**DO3**|
1688		-|**DI2**|(((
1689		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1647	+|**RX**|RX blinks once when receiving a packet.
	1648	+|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
	1649	+|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
	1650	+|**DI1**|(((
	1651	+For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1690	1690	)))
1691	1691	|**DI2**|(((
1692		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1654	+For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1693	1693	)))
1694		-|**DI2**|(((
1695		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696		-)))
1697		-|**RO1**|
1698		-|**RO2**|
	1656	+|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
	1657	+|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1699	1699
	1659	+= 4. Using AT Command =
1700	1700
1701		-= 4. Use AT Command =
	1661	+== 4.1 Connecting the LT-22222-L to a computer ==
1702	1702
1703		-== 4.1 Access AT Command ==
1704	1704
1705		-
1706	1706	(((
1707		-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.
	1665	+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.
1708	1708	)))
1709	1709
1710		-(((
1711		-
1712		-)))
1713		-
1714	1714	[[image:1653358238933-385.png]]
1715	1715
1716	1716
1717	1717	(((
1718		-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:
	1672	+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:
1719	1719	)))
1720	1720
1721	1721	[[image:1653358355238-883.png]]
...	...	@@ -1722,10 +1722,12 @@
1722	1722
1723	1723
1724	1724	(((
1725		-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/]]
	1679	+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/]]
1726	1726	)))
1727	1727
1728	1728	(((
	1683	+The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
	1684	+
1729	1729	AT+<CMD>?        : Help on <CMD>
1730	1730	)))
1731	1731
...	...	@@ -2050,10 +2050,10 @@
2050	2050
2051	2051	= 5. Case Study =
2052	2052
2053		-== 5.1 Counting how many objects pass in Flow Line ==
	2009	+== 5.1 Counting how many objects pass through the flow Line ==
2054	2054
2055	2055
2056		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
	2012	+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]]?
2057	2057
2058	2058
2059	2059	= 6. FAQ =
...	...	@@ -2061,26 +2061,26 @@
2061	2061	== 6.1 How to upgrade the image? ==
2062	2062
2063	2063
2064		-The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
	2020	+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:
2065	2065
2066		-* Support new features
2067		-* For bug fix
	2022	+* Support new features.
	2023	+* Fix bugs.
2068	2068	* Change LoRaWAN bands.
2069	2069
2070		-Below shows the hardware connection for how to upload an image to the LT:
	2026	+Below is the hardware connection setup for uploading an image to the LT:
2071	2071
2072	2072	[[image:1653359603330-121.png]]
2073	2073
2074	2074
2075	2075	(((
2076		-(% 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]].
2077		-(% 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]].
2078		-(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
	2032	+(% 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]].
	2033	+(% 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]].
	2034	+(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2079	2079
2080	2080
2081	2081	(((
2082	2082	(% style="color:blue" %)**For LT-22222-L**(%%):
2083		-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.
	2039	+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.
2084	2084	)))
2085	2085
2086	2086
...	...	@@ -2095,7 +2095,7 @@
2095	2095	[[image:image-20220524104033-15.png]]
2096	2096
2097	2097
2098		-(% 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:
	2054	+(% 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:
2099	2099
2100	2100	[[image:1653360054704-518.png||height="186" width="745"]]
2101	2101
...	...	@@ -2109,13 +2109,13 @@
2109	2109	)))
2110	2110
2111	2111	(((
2112		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
	2068	+You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2113	2113	)))
2114	2114
2115	2115	(((
2116	2116
2117	2117
2118		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2074	+== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2119	2119
2120	2120
2121	2121	)))
...	...	@@ -2122,13 +2122,13 @@
2122	2122
2123	2123	(((
2124	2124	(((
2125		-In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	2081	+In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2126	2126	)))
2127	2127	)))
2128	2128
2129	2129	(((
2130	2130	(((
2131		-Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	2087	+Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2132	2132
2133	2133
2134	2134	)))
...	...	@@ -2135,7 +2135,7 @@
2135	2135	)))
2136	2136
2137	2137	(((
2138		-(% 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.
	2094	+(% 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.
2139	2139
2140	2140
2141	2141	)))
...	...	@@ -2192,7 +2192,7 @@
2192	2192	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/]]
2193	2193
2194	2194
2195		-== 6.5 Can I see counting event in Serial? ==
	2151	+== 6.5 Can I see the counting event in Serial? ==
2196	2196
2197	2197
2198	2198	(((
...	...	@@ -2199,10 +2199,10 @@
2199	2199	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.
2200	2200
2201	2201
2202		-== 6.6 Can i use point to point communication for LT-22222-L? ==
	2158	+== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2203	2203
2204	2204
2205		-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]].
	2161	+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]].
2206	2206
2207	2207
2208	2208	)))
...	...	@@ -2305,7 +2305,6 @@
2305	2305	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2306	2306	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2307	2307
2308		-
2309	2309	= 9. Packing Info =
2310	2310
2311	2311
...	...	@@ -2323,7 +2323,6 @@
2323	2323	* Package Size / pcs : 14.5 x 8 x 5 cm
2324	2324	* Weight / pcs : 170g
2325	2325
2326		-
2327	2327	= 10. Support =
2328	2328
2329	2329
...	...	@@ -2343,5 +2343,3 @@
2343	2343	* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2344	2344	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2345	2345	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2346		-
2347		-

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