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

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

Content

...	...	@@ -3,6 +3,10 @@
3	3
4	4
5	5
	6	+
	7	+
	8	+
	9	+
6	6	**Table of Contents:**
7	7
8	8	{{toc/}}
...	...	@@ -15,36 +15,30 @@
15	15
16	16	= 1.Introduction =
17	17
18		-== 1.1 What is LT Series I/O Controller ==
	22	+== 1.1 What is the LT-22222-L I/O Controller? ==
19	19
20	20	(((
21		-
22		-
23	23	(((
24		-The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25		-)))
26		-)))
	26	+The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27	27
28		-(((
29		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	28	+The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
30	30	)))
31		-
32		-(((
33		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34	34	)))
35	35
36	36	(((
37		-The use environment includes:
	33	+With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38	38	)))
39	39
40		-(((
41		-1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42		-)))
	36	+> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43	43
44	44	(((
45		-2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	39	+You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46	46
47		-
	41	+* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
	42	+* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
	43	+* Setup your own private LoRaWAN network.
	44	+
	45	+> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48	48	)))
49	49
50	50	(((
...	...	@@ -53,162 +53,71 @@
53	53
54	54	)))
55	55
56		-== 1.2  Specifications ==
	54	+== 1.2 Specifications ==
57	57
58		-(((
59		-
60		-
61	61	(% style="color:#037691" %)**Hardware System:**
62		-)))
63	63
64		-* (((
65		-STM32L072xxxx MCU
66		-)))
67		-* (((
68		-SX1276/78 Wireless Chip
69		-)))
70		-* (((
71		-(((
72		-Power Consumption:
73		-)))
	58	+* STM32L072xxxx MCU
	59	+* SX1276/78 Wireless Chip
	60	+* Power Consumption:
	61	+** Idle: 4mA@12v
	62	+** 20dB Transmit: 34mA@12v
	63	+* Operating Temperature: -40 ~~ 85 Degree, No Dew
74	74
75		-* (((
76		-Idle: 4mA@12v
77		-)))
78		-* (((
79		-20dB Transmit: 34mA@12v
80		-)))
81		-)))
82		-
83		-(((
84		-
85		-
86	86	(% style="color:#037691" %)**Interface for Model: LT22222-L:**
87		-)))
88	88
89		-* (((
90		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91		-)))
92		-* (((
93		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94		-)))
95		-* (((
96		-2 x Relay Output (5A@250VAC / 30VDC)
97		-)))
98		-* (((
99		-2 x 0~~20mA Analog Input (res:0.01mA)
100		-)))
101		-* (((
102		-2 x 0~~30V Analog Input (res:0.01v)
103		-)))
104		-* (((
105		-Power Input 7~~ 24V DC.
106		-)))
	67	+* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	68	+* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	69	+* 2 x Relay Output (5A@250VAC / 30VDC)
	70	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	71	+* 2 x 0~~30V Analog Input (res:0.01v)
	72	+* Power Input 7~~ 24V DC.
107	107
108		-(((
109		-
110		-
111	111	(% style="color:#037691" %)**LoRa Spec:**
112		-)))
113	113
114		-* (((
115		-(((
116		-Frequency Range:
117		-)))
	76	+* Frequency Range:
	77	+** Band 1 (HF): 862 ~~ 1020 Mhz
	78	+** Band 2 (LF): 410 ~~ 528 Mhz
	79	+* 168 dB maximum link budget.
	80	+* +20 dBm - 100 mW constant RF output vs.
	81	+* +14 dBm high efficiency PA.
	82	+* Programmable bit rate up to 300 kbps.
	83	+* High sensitivity: down to -148 dBm.
	84	+* Bullet-proof front end: IIP3 = -12.5 dBm.
	85	+* Excellent blocking immunity.
	86	+* Low RX current of 10.3 mA, 200 nA register retention.
	87	+* Fully integrated synthesizer with a resolution of 61 Hz.
	88	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	89	+* Built-in bit synchronizer for clock recovery.
	90	+* Preamble detection.
	91	+* 127 dB Dynamic Range RSSI.
	92	+* Automatic RF Sense and CAD with ultra-fast AFC.
	93	+* Packet engine up to 256 bytes with CRC.
118	118
119		-* (((
120		-Band 1 (HF): 862 ~~ 1020 Mhz
121		-)))
122		-* (((
123		-Band 2 (LF): 410 ~~ 528 Mhz
124		-)))
125		-)))
126		-* (((
127		-168 dB maximum link budget.
128		-)))
129		-* (((
130		-+20 dBm - 100 mW constant RF output vs.
131		-)))
132		-* (((
133		-+14 dBm high efficiency PA.
134		-)))
135		-* (((
136		-Programmable bit rate up to 300 kbps.
137		-)))
138		-* (((
139		-High sensitivity: down to -148 dBm.
140		-)))
141		-* (((
142		-Bullet-proof front end: IIP3 = -12.5 dBm.
143		-)))
144		-* (((
145		-Excellent blocking immunity.
146		-)))
147		-* (((
148		-Low RX current of 10.3 mA, 200 nA register retention.
149		-)))
150		-* (((
151		-Fully integrated synthesizer with a resolution of 61 Hz.
152		-)))
153		-* (((
154		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155		-)))
156		-* (((
157		-Built-in bit synchronizer for clock recovery.
158		-)))
159		-* (((
160		-Preamble detection.
161		-)))
162		-* (((
163		-127 dB Dynamic Range RSSI.
164		-)))
165		-* (((
166		-Automatic RF Sense and CAD with ultra-fast AFC.
167		-)))
168		-* (((
169		-Packet engine up to 256 bytes with CRC.
170		-
171		-
172		-
173		-)))
174		-
175	175	== 1.3 Features ==
176	176
177		-
178	178	* LoRaWAN Class A & Class C protocol
179		-
180	180	* Optional Customized LoRa Protocol
181		-
182	182	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183		-
184	184	* AT Commands to change parameters
185		-
186	186	* Remote configure parameters via LoRa Downlink
187		-
188	188	* Firmware upgradable via program port
189		-
190	190	* Counting
191	191
192		-== 1.4  Applications ==
	105	+== 1.4 Applications ==
193	193
194		-
195	195	* Smart Buildings & Home Automation
196		-
197	197	* Logistics and Supply Chain Management
198		-
199	199	* Smart Metering
200		-
201	201	* Smart Agriculture
202		-
203	203	* Smart Cities
204		-
205	205	* Smart Factory
206	206
207	207	== 1.5 Hardware Variants ==
208	208
209	209
210		-(% border="1" style="background-color:#f2f2f2; width:500px" %)
211		-|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
	117	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
	118	+|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
212	212	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213	213	(% style="text-align:center" %)
214	214	[[image:image-20230424115112-1.png||height="106" width="58"]]
...	...	@@ -221,97 +221,149 @@
221	221	* 1 x Counting Port
222	222	)))
223	223
224		-= 2. Power ON Device =
	131	+= 2. Assembling the Device =
225	225
	133	+== 2.1 What is included in the package? ==
226	226
227		-(((
228		-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.
229		-)))
	135	+The package includes the following items:
230	230
231		-(((
232		-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
233	233
234		-
235		-)))
	142	+Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
236	236
	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 ==
	173	+
	174	+The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
	175	+
	176	+
237	237	[[image:1653297104069-180.png]]
238	238
239	239
240	240	= 3. Operation Mode =
241	241
242		-== 3.1 How it works? ==
	182	+== 3.1 How does it work? ==
243	243
	184	+The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
244	244
245		-(((
246		-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.
247		-)))
	186	+For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second.
248	248
249		-(((
250		-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.
251		-)))
	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.
252	252
	190	+== 3.2 Registering with a LoRaWAN network server ==
253	253
254		-== 3.2 Example to join LoRaWAN network ==
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
255	255
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
256	256
257		-(((
258		-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 ===
259	259
260		-
261		-)))
	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.
262	262
263		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	200	+[[image:image-20230425173427-2.png||height="246" width="530"]]
264	264
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
265	265
266		-(((
267		-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) ===
268	268
269		-
270		-)))
	206	+* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
	207	+* Create an application if you do not have one yet.
	208	+* Register LT-22222-L with that application. Two registration options available:
271	271
272		-(((
273		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
274		-)))
	210	+==== Using the LoRaWAN Device Repository: ====
275	275
276		-(((
277		-Each LT is shipped with a sticker with the default device EUI as below:
278		-)))
	212	+* Go to your application and click on the **Register end device** button.
	213	+* On the **Register end device** page:
	214	+** Select the option **Select the end device in the LoRaWAN Device Repository**.
	215	+** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
	216	+** Select the **Frequency plan** that matches with your device.
279	279
280		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
281	281
	220	+*
	221	+** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
	222	+** Enter the **DevEUI** in the **DevEUI** field.
	223	+** Enter the **AppKey** in the **AppKey** field.
	224	+** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	225	+** Under **After registration**, select the **View registered end device** option.
282	282
283		-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"]]
284	284
285		-**Add APP EUI in the application.**
	229	+==== Entering device information manually: ====
286	286
287		-[[image:1653297955910-247.png||height="321" width="716"]]
	231	+* On the **Register end device** page:
	232	+** Select the **Enter end device specifies manually** option as the input method.
	233	+** Select the **Frequency plan** that matches with your device.
	234	+** Select the **LoRaWAN version**.
	235	+** Select the **Regional Parameters version**.
	236	+** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
	237	+** Select **Over the air activation (OTAA)** option under **Activation mode**
	238	+** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
288	288
	240	+[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
289	289
290		-**Add APP KEY and DEV EUI**
291	291
292		-[[image:1653298023685-319.png]]
	243	+* Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
	244	+* Enter **DevEUI** in the **DevEUI** field.
	245	+* Enter **AppKey** in the **AppKey** field.
	246	+* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	247	+* Under **After registration**, select the **View registered end device** option.
293	293
	249	+[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
294	294
295	295
296		-(((
297		-(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
	252	+==== Joining ====
298	298
299		-
300		-)))
	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.
301	301
302	302	[[image:1653298044601-602.png||height="405" width="709"]]
303	303
304	304
305		-== 3.3 Uplink Payload ==
	259	+== 3.3 Uplink Payload formats ==
306	306
307	307
308		-There are five working modes + one interrupt mode on LT for different type application:
	262	+The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different type applications that can be used together with all the working modes as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
309	309
310		-* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	264	+* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
	265	+
311	311	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	267	+
312	312	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	269	+
313	313	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	271	+
314	314	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	273	+
315	315	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
316	316
317	317	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
...	...	@@ -318,52 +318,44 @@
318	318
319	319
320	320	(((
321		-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" %)
322	322
323		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324		-|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
	282	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	283	+|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
325	325	|Value|(((
326		-AVI1
327		-voltage
	285	+AVI1 voltage
328	328	)))|(((
329		-AVI2
330		-voltage
	287	+AVI2 voltage
331	331	)))|(((
332		-ACI1
333		-Current
	289	+ACI1 Current
334	334	)))|(((
335		-ACI2
336		-Current
	291	+ACI2 Current
337	337	)))|DIDORO*|(((
338	338	Reserve
339	339	)))|MOD
340	340	)))
341	341
342		-
343	343	(((
344		-
	298	+(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
345	345
346		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347		-
348		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349		-|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	300	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	301	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	302	+|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
351	351	)))
352	352
	305	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
	306	+* DI is for digital input. DIx=1: high or floating, DIx=0: low.
	307	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
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.
	309	+(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
357	357
358		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	311	+For example, if the payload is: [[image:image-20220523175847-2.png]]
359	359
360		-For example if payload is: [[image:image-20220523175847-2.png]]
361	361
	314	+**The interface values can be calculated as follows:  **
362	362
363		-**The value for the interface is:  **
	316	+AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
364	364
365		-AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
366		-
367	367	AVI2 channel voltage is 0x04AC/1000=1.196V
368	368
369	369	ACI1 channel current is 0x1310/1000=4.880mA
...	...	@@ -370,106 +370,95 @@
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;
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+.;
	326	+* [1] RO1 relay channel is closed, and the RO1 LED is ON.
	327	+* [0] RO2 relay channel is open, and RO2 LED is OFF.
	328	+* [1] DI3 - not used for LT-22222-L.
	329	+* [0] DI2 channel input is low, and the DI2 LED is OFF.
	330	+* [1] DI1 channel input state:
	331	+** DI1 is floating when there is no load between DI1 and V+.
	332	+** DI1 is high when there is load between DI1 and V+.
	333	+** DI1 LED is ON in both cases.
	334	+* [0] DO3 channel output state:
	335	+** DO3 is float in case no load between DO3 and V+.
385	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
	337	+** DO3 LED is OFF in both case
	338	+* [1] DO2 channel output is low, and the DO2 LED is ON.
	339	+* [0] DO1 channel output state:
	340	+** DO1 is floating when there is no load between DO1 and V+.
	341	+** DO1 is high when there is load between DO1 and V+.
	342	+** DO1 LED is OFF in both case.
392	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.
	348	+**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
	352	+The uplink payload is 11 bytes long.
402	402
403		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404		-|Size(bytes)|4|4|1|1|1
	354	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	355	+|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
405	405	|Value|COUNT1|COUNT2 |DIDORO*|(((
406		-Reserve
407		-
408		-
	357	+Reserve
409	409	)))|MOD
410	410	)))
411	411
412	412	(((
413		-
	362	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
414	414
415		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	364	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	365	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	366	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
416	416
417		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
418		-|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
419		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
420		-
421		-RO is for relay. ROx=1 : close，ROx=0 always open.
	368	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
422	422	)))
423	423
424		-* FIRST: Indicate this is the first packet after join network.
425		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	371	+* FIRST: Indicates that this is the first packet after joining the network.
	372	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
426	426
427	427	(((
428		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
429		-)))
	375	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
430	430
431		-(((
432	432
	378	+)))
433	433
434		-**To use counting mode, please run:**
	380	+(((
	381	+**To activate this mode, please run the following AT command:**
435	435	)))
436	436
	384	+(((
437	437	(% class="box infomessage" %)
438	438	(((
439		-(((
440		-(((
441	441	**AT+MOD=2**
442		-)))
443	443
444		-(((
445	445	**ATZ**
446	446	)))
447	447	)))
448		-)))
449	449
450	450	(((
451	451
452	452
453	453	(% style="color:#4f81bd" %)**AT Commands for counting:**
454		-
455		-
456	456	)))
457	457
458	458	(((
459	459	**For LT22222-L:**
460	460
	402	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set the DI1 port to trigger on a low level, the valid signal duration is 100ms) **
461	461
462		-(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
	404	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set the DI1 port to trigger on a high level, the valid signal duration is 100ms) **
463	463
464		-(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
	406	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set the DI2 port to trigger on a low level, the valid signal duration is 100ms) **
465	465
466		-(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
	408	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set the DI2 port to trigger on a high level, the valid signal duration is 100ms) **
467	467
468		-(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
	410	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set the COUNT1 value to 60)**
469	469
470		-(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
471		-
472		-(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
	412	+(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set the COUNT2 value to 60)**
473	473	)))
474	474
475	475
...	...	@@ -476,22 +476,28 @@
476	476	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
477	477
478	478
479		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	419	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
480	480
481		-[[image:image-20220523181246-5.png]]
	421	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	422	+|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
	423	+|Value|COUNT1|(((
	424	+ACI1 Current
	425	+)))|(((
	426	+ACI2 Current
	427	+)))|DIDORO*|Reserve|MOD
482	482
483	483	(((
484		-
	430	+(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
485	485
486		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	432	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	433	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	434	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
487	487	)))
488	488
489		-[[image:image-20220523181301-6.png]]
	437	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
	438	+* FIRST: Indicates that this is the first packet after joining the network.
	439	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
490	490
491		-* RO is for relay. ROx=1 : close，ROx=0 always open.
492		-* FIRST: Indicate this is the first packet after join network.
493		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
494		-
495	495	(((
496	496	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
497	497	)))
...	...	@@ -498,24 +498,22 @@
498	498
499	499
500	500	(((
501		-**To use counting mode, please run:**
	447	+**To activate this mode, please run the following AT command:**
502	502	)))
503	503
	450	+(((
504	504	(% class="box infomessage" %)
505	505	(((
506		-(((
507		-(((
508	508	**AT+MOD=3**
509		-)))
510	510
511		-(((
512	512	**ATZ**
513	513	)))
514	514	)))
515		-)))
516	516
517	517	(((
518		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	460	+AT Commands for counting:
	461	+
	462	+The AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. Use only the commands that match 'DI'.
519	519	)))
520	520
521	521
...	...	@@ -523,62 +523,59 @@
523	523
524	524
525	525	(((
526		-**LT22222-L**: This mode the DI1 is used as a counting pin.
	470	+**LT22222-L**: In this mode, the DI1 is used as a counting pin.
527	527	)))
528	528
529	529	(((
530		-The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
	474	+The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
	475	+
	476	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	477	+|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
	478	+|Value|COUNT1|AVI1 Counting|DIDORO*|(((
	479	+Reserve
	480	+)))|MOD
531	531	)))
532	532
533		-[[image:image-20220523181903-8.png]]
534		-
535		-
536	536	(((
537		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	484	+(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
	485	+
	486	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	487	+|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
	488	+|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
538	538	)))
539	539
540		-[[image:image-20220523181727-7.png]]
	491	+* RO is for relay. ROx=1 : closed, ROx=0 always open.
	492	+* FIRST: Indicates that this is the first packet after joining the network.
	493	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
541	541
542		-* RO is for relay. ROx=1 : close，ROx=0 always open.
543		-* FIRST: Indicate this is the first packet after join network.
544		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
545		-
546	546	(((
547	547	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
548		-)))
549	549
550		-(((
551	551
	499	+)))
552	552
553		-**To use this mode, please run:**
	501	+(((
	502	+**To activate this mode, please run the following AT command:**
554	554	)))
555	555
	505	+(((
556	556	(% class="box infomessage" %)
557	557	(((
558		-(((
559		-(((
560	560	**AT+MOD=4**
561		-)))
562	562
563		-(((
564	564	**ATZ**
565	565	)))
566	566	)))
567		-)))
568	568
569		-
570	570	(((
571	571	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
572	572	)))
573	573
574	574	(((
575		-
	519	+**In addition to that, below are the commands for AVI1 Counting:**
576	576
577		-**Plus below command for AVI1 Counting:**
	521	+(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
578	578
579		-
580		-(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
581		-
582	582	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
583	583
584	584	(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -592,15 +592,27 @@
592	592
593	593	**LT22222-L**: This mode the DI1 is used as a counting pin.
594	594
595		-[[image:image-20220523182334-9.png]]
	536	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	537	+|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
	538	+|Value|(((
	539	+AVI1 voltage
	540	+)))|(((
	541	+AVI2 voltage
	542	+)))|(((
	543	+ACI1 Current
	544	+)))|COUNT1|DIDORO*|(((
	545	+Reserve
	546	+)))|MOD
596	596
597	597	(((
598		-
599		-
600	600	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	550	+
	551	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	552	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	553	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
601	601	)))
602	602
603		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	556	+* RO is for relay. ROx=1 : close, ROx=0 always open.
604	604	* FIRST: Indicate this is the first packet after join network.
605	605	* (((
606	606	DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -611,23 +611,17 @@
611	611	)))
612	612
613	613	(((
614		-
615		-
616	616	**To use this mode, please run:**
617	617	)))
618	618
	570	+(((
619	619	(% class="box infomessage" %)
620	620	(((
621		-(((
622		-(((
623	623	**AT+MOD=5**
624		-)))
625	625
626		-(((
627	627	**ATZ**
628	628	)))
629	629	)))
630		-)))
631	631
632	632	(((
633	633	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -722,12 +722,39 @@
722	722
723	723	MOD6 Payload : total 11 bytes payload
724	724
725		-[[image:image-20220524085923-1.png]]
	672	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	673	+|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
	674	+|Value|(((
	675	+TRI_A FLAG
	676	+)))|(((
	677	+TRI_A Status
	678	+)))|(((
	679	+TRI_DI FLAG+STA
	680	+)))|Reserve|Enable/Disable MOD6|(((
	681	+MOD(6)
	682	+)))
726	726
727		-
728	728	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
729	729
730		-[[image:image-20220524090106-2.png]]
	686	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	687	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	688	+|(((
	689	+AV1_LOW
	690	+)))|(((
	691	+AV1_HIGH
	692	+)))|(((
	693	+AV2_LOW
	694	+)))|(((
	695	+AV2_HIGH
	696	+)))|(((
	697	+AC1_LOW
	698	+)))|(((
	699	+AC1_HIGH
	700	+)))|(((
	701	+AC2_LOW
	702	+)))|(((
	703	+AC2_HIGH
	704	+)))
731	731
732	732	* Each bits shows if the corresponding trigger has been configured.
733	733
...	...	@@ -736,10 +736,27 @@
736	736	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
737	737
738	738
739		-
740	740	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
741	741
742		-[[image:image-20220524090249-3.png]]
	715	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	716	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	717	+|(((
	718	+AV1_LOW
	719	+)))|(((
	720	+AV1_HIGH
	721	+)))|(((
	722	+AV2_LOW
	723	+)))|(((
	724	+AV2_HIGH
	725	+)))|(((
	726	+AC1_LOW
	727	+)))|(((
	728	+AC1_HIGH
	729	+)))|(((
	730	+AC2_LOW
	731	+)))|(((
	732	+AC2_HIGH
	733	+)))
743	743
744	744	* Each bits shows which status has been trigger on this uplink.
745	745
...	...	@@ -750,7 +750,9 @@
750	750
751	751	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
752	752
753		-[[image:image-20220524090456-4.png]]
	744	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	745	+|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
	746	+|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
754	754
755	755	* Each bits shows which status has been trigger on this uplink.
756	756
...	...	@@ -830,14 +830,10 @@
830	830
831	831	Set work mode.
832	832
833		-* (% style="color:#037691" %)**AT Command:**
	826	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
834	834
835		-(% style="color:blue" %)**AT+MOD=N  **
836		-
837		-
838	838	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
839	839
840		-
841	841	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
842	842
843	843	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -847,16 +847,12 @@
847	847	==== 3.4.2.3 Poll an uplink ====
848	848
849	849
850		-* (% style="color:#037691" %)**AT Command:**
	839	+* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
851	851
852		-There is no AT Command to poll uplink
853		-
854		-
855	855	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
856	856
857	857	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
858	858
859		-
860	860	**Example**: 0x08FF, ask device to send an Uplink
861	861
862	862
...	...	@@ -866,10 +866,8 @@
866	866
867	867	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
868	868
869		-* (% style="color:#037691" %)**AT Command:**
	854	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
870	870
871		-(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
872		-
873	873	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
874	874
875	875	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -884,13 +884,12 @@
884	884	==== 3.4.2.5 Poll trigger settings ====
885	885
886	886
887		-Poll trigger settings,
	870	+Poll trigger settings
888	888
889	889	* (% style="color:#037691" %)**AT Command:**
890	890
891	891	There is no AT Command for this feature.
892	892
893		-
894	894	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
895	895
896	896	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -902,15 +902,11 @@
902	902
903	903	Enable Disable DI1/DI2/DI2 as trigger,
904	904
905		-* (% style="color:#037691" %)**AT Command:**
	887	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
906	906
907		-(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	889	+**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
908	908
909	909
910		-**Example:**
911		-
912		-AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
913		-
914	914	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
915	915
916	916	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -922,20 +922,15 @@
922	922
923	923	Set DI1 or DI3(for LT-33222-L) trigger.
924	924
925		-* (% style="color:#037691" %)**AT Command:**
	903	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
926	926
927		-(% style="color:blue" %)**AT+TRIG1=a,b**
928		-
929	929	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
930	930
931	931	(% style="color:red" %)**b :** (%%)delay timing.
932	932
	909	+**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
933	933
934		-**Example:**
935	935
936		-AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
937		-
938		-
939	939	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
940	940
941	941	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -947,20 +947,15 @@
947	947
948	948	Set DI2 trigger.
949	949
950		-* (% style="color:#037691" %)**AT Command:**
	923	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
951	951
952		-(% style="color:blue" %)**AT+TRIG2=a,b**
953		-
954	954	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
955	955
956	956	(% style="color:red" %)**b :** (%%)delay timing.
957	957
	929	+**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
958	958
959		-**Example:**
960	960
961		-AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
962		-
963		-
964	964	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
965	965
966	966	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -972,11 +972,8 @@
972	972
973	973	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
974	974
975		-* (% style="color:#037691" %)**AT Command**
	943	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
976	976
977		-(% style="color:blue" %)**AT+ACLIM**
978		-
979		-
980	980	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
981	981
982	982	(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
...	...	@@ -988,11 +988,8 @@
988	988
989	989	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
990	990
991		-* (% style="color:#037691" %)**AT Command**
	956	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
992	992
993		-(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
994		-
995		-
996	996	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
997	997
998	998	(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
...	...	@@ -1004,18 +1004,13 @@
1004	1004
1005	1005	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1006	1006
1007		-* (% style="color:#037691" %)**AT Command**
	969	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
1008	1008
1009		-(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1010		-
1011		-
1012	1012	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1013	1013
1014	1014	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1015	1015
1016	1016	(((
1017		-
1018		-
1019	1019	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1020	1020	)))
1021	1021
...	...	@@ -1030,8 +1030,9 @@
1030	1030
1031	1031
1032	1032	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1033		-* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1034	1034
	991	+(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
	992	+
1035	1035	(((
1036	1036	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1037	1037	)))
...	...	@@ -1038,10 +1038,14 @@
1038	1038
1039	1039	(((
1040	1040	01: Low,  00: High ,  11: No action
	999	+
	1000	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1001	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
	1002	+|02  01  00  11|Low|High|No Action
	1003	+|02  00  11  01|High|No Action|Low
	1004	+|02  11  01  00|No Action|Low|High
1041	1041	)))
1042	1042
1043		-[[image:image-20220524092754-5.png]]
1044		-
1045	1045	(((
1046	1046	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1047	1047	)))
...	...	@@ -1078,24 +1078,31 @@
1078	1078
1079	1079	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1080	1080
1081		-[[image:image-20220524093238-6.png]]
	1043	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1044	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1045	+|0x01|DO1 set to low
	1046	+|0x00|DO1 set to high
	1047	+|0x11|DO1 NO Action
1082	1082
1083		-
1084	1084	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1085	1085
1086		-[[image:image-20220524093328-7.png]]
	1051	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1052	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1053	+|0x01|DO2 set to low
	1054	+|0x00|DO2 set to high
	1055	+|0x11|DO2 NO Action
1087	1087
1088		-
1089	1089	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1090	1090
1091		-[[image:image-20220524093351-8.png]]
	1059	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
	1060	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
	1061	+|0x01|DO3 set to low
	1062	+|0x00|DO3 set to high
	1063	+|0x11|DO3 NO Action
1092	1092
	1065	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1093	1093
1094		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1095	1095
1096		- Latching time. Unit: ms
1097		-
1098		-
1099	1099	(% style="color:red" %)**Note: **
1100	1100
1101	1101	Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
...	...	@@ -1102,7 +1102,6 @@
1102	1102
1103	1103	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1104	1104
1105		-
1106	1106	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1107	1107
1108	1108
...	...	@@ -1126,7 +1126,7 @@
1126	1126
1127	1127
1128	1128
1129		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
	1097	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1130	1130
1131	1131
1132	1132	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1144,11 +1144,18 @@
1144	1144	)))
1145	1145
1146	1146	(((
1147		-01: Close ,  00: Open , 11: No action
1148		-)))
	1115	+00: Close ,  01: Open , 11: No action
1149	1149
1150		-(((
1151		-[[image:image-20230426161322-1.png]]
	1117	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
	1118	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
	1119	+|03  00  11|Open|No Action
	1120	+|03  01  11|Close|No Action
	1121	+|03  11  00|No Action|Open
	1122	+|03  11  01|No Action|Close
	1123	+|03  00  00|Open|Open
	1124	+|03  01  01|Close|Close
	1125	+|03  01  00|Close|Open
	1126	+|03  00  01|Open|Close
1152	1152	)))
1153	1153
1154	1154	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
...	...	@@ -1222,11 +1222,8 @@
1222	1222
1223	1223	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1224	1224
1225		-* (% style="color:#037691" %)**AT Command:**
	1200	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1226	1226
1227		-(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1228		-
1229		-
1230	1230	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1231	1231
1232	1232	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1236,10 +1236,8 @@
1236	1236	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1237	1237
1238	1238
1239		-* (% style="color:#037691" %)**AT Command:**
	1211	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1240	1240
1241		-(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1242		-
1243	1243	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1244	1244
1245	1245	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1256,11 +1256,8 @@
1256	1256
1257	1257	Clear counting for counting mode
1258	1258
1259		-* (% style="color:#037691" %)**AT Command:**
	1229	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1260	1260
1261		-(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1262		-
1263		-
1264	1264	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1265	1265
1266	1266	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1388,55 +1388,71 @@
1388	1388	[[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"]]
1389	1389
1390	1390
1391		-== 3.5 Integrate with Mydevice ==
	1358	+== 3.5 Integrating with ThingsEye.io ==
1392	1392
	1360	+If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1393	1393
1394		-Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
	1362	+=== 3.5.1 Configuring The Things Stack Sandbox ===
1395	1395
1396		-(((
1397		-(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1398		-)))
	1364	+* Go to your Application and select MQTT under Integrations.
	1365	+* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
	1366	+* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1399	1399
1400		-(((
1401		-(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1368	+[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1402	1402
1403		-
1404		-)))
	1370	+=== 3.5.2 Configuring ThingsEye.io ===
1405	1405
1406		-[[image:image-20220719105525-1.png||height="377" width="677"]]
	1372	+* Login to your thingsEye.io account.
	1373	+* Under the Integrations center, click Integrations.
	1374	+* Click the Add integration button (the button with the + symbol).
1407	1407
	1376	+[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1408	1408
1409	1409
1410		-[[image:image-20220719110247-2.png||height="388" width="683"]]
	1379	+On the Add integration page configure the following:
1411	1411
	1381	+Basic settings:
1412	1412
1413		-(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
	1383	+* Select The Things Stack Community from the Integration type list.
	1384	+* Enter a suitable name for your integration in the Name box or keep the default name.
	1385	+* Click the Next button.
1414	1414
1415		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
	1387	+[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1416	1416
1417		-Search under The things network
	1389	+Uplink Data converter:
1418	1418
1419		-[[image:1653356838789-523.png||height="337" width="740"]]
	1391	+* Click the Create New button if it is not selected by default.
	1392	+* Click the JavaScript button.
	1393	+* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1394	+* Click the Next button.
1420	1420
	1396	+[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1421	1421
	1398	+Downlink Data converter (this is an optional step):
1422	1422
1423		-After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
	1400	+* Click the Create new button if it is not selected by default.
	1401	+* Click the JavaScript button.
	1402	+* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
	1403	+* Click the Next button.
1424	1424
1425		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1405	+[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1426	1426
	1407	+Connection:
1427	1427
1428		-[[image:image-20220524094909-2.png||height="337" width="729"]]
	1409	+* Choose Region from the Host type.
	1410	+* Enter the cluster of your The Things Stack in the Region textbox.
	1411	+* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
	1412	+* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
	1413	+* Click the Add button.
1429	1429
	1415	+[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1430	1430
1431		-[[image:image-20220524094909-3.png||height="338" width="727"]]
1432	1432
	1418	+Your integration is added to the integrations list and it will display on the Integrations page.
1433	1433
1434		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
	1420	+[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1435	1435
1436	1436
1437		-[[image:image-20220524094909-5.png||height="341" width="734"]]
1438		-
1439		-
1440	1440	== 3.6 Interface Detail ==
1441	1441
1442	1442	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1451,12 +1451,12 @@
1451	1451
1452	1452
1453	1453	(((
1454		-The DI port of LT-22222-L can support NPN or PNP output sensor.
	1437	+The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1455	1455	)))
1456	1456
1457	1457	(((
1458	1458	(((
1459		-Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
	1442	+Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1460	1460
1461	1461
1462	1462	)))
...	...	@@ -1564,6 +1564,19 @@
1564	1564	)))
1565	1565
1566	1566
	1550	+(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1551	+
	1552	+From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
	1553	+
	1554	+To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1555	+
	1556	+[[image:image-20230616235145-1.png]]
	1557	+
	1558	+(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1559	+
	1560	+[[image:image-20240219115718-1.png]]
	1561	+
	1562	+
1567	1567	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1568	1568
1569	1569
...	...	@@ -1597,7 +1597,6 @@
1597	1597
1598	1598	**Black:  GND**
1599	1599
1600		-
1601	1601	**Connection diagram:**
1602	1602
1603	1603	[[image:1653357640609-758.png]]
...	...	@@ -1605,6 +1605,22 @@
1605	1605	[[image:1653357648330-671.png||height="155" width="733"]]
1606	1606
1607	1607
	1603	+Example connected to a regulated power supply to measure voltage
	1604	+
	1605	+[[image:image-20230608101532-1.png||height="606" width="447"]]
	1606	+
	1607	+[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
	1608	+
	1609	+[[image:image-20230608101722-3.png||height="102" width="1139"]]
	1610	+
	1611	+
	1612	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1613	+
	1614	+(% style="color:red" %)**Red:  12~~24v**
	1615	+
	1616	+**Black:  GND**
	1617	+
	1618	+
1608	1608	=== 3.6.5 Relay Output ===
1609	1609
1610	1610
...	...	@@ -1623,9 +1623,34 @@
1623	1623	== 3.7 LEDs Indicators ==
1624	1624
1625	1625
1626		-[[image:image-20220524100748-11.png]]
	1637	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1638	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
	1639	+|**PWR**|Always on if there is power
	1640	+|**TX**|(((
	1641	+(((
	1642	+Device boot: TX blinks 5 times.
	1643	+)))
1627	1627
	1645	+(((
	1646	+Successful join network: TX ON for 5 seconds.
	1647	+)))
1628	1628
	1649	+(((
	1650	+Transmit a LoRa packet: TX blinks once
	1651	+)))
	1652	+)))
	1653	+|**RX**|RX blinks once when receive a packet.
	1654	+|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
	1655	+|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
	1656	+|**DI1**|(((
	1657	+For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
	1658	+)))
	1659	+|**DI2**|(((
	1660	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1661	+)))
	1662	+|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
	1663	+|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
	1664	+
1629	1629	= 4. Use AT Command =
1630	1630
1631	1631	== 4.1 Access AT Command ==
...	...	@@ -1635,10 +1635,6 @@
1635	1635	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.
1636	1636	)))
1637	1637
1638		-(((
1639		-
1640		-)))
1641		-
1642	1642	[[image:1653358238933-385.png]]
1643	1643
1644	1644
...	...	@@ -1957,8 +1957,6 @@
1957	1957	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1958	1958
1959	1959	**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1960		-
1961		-
1962	1962	)))
1963	1963
1964	1964	(((
...	...	@@ -1965,9 +1965,6 @@
1965	1965	[[image:1653359097980-169.png||height="188" width="729"]]
1966	1966	)))
1967	1967
1968		-(((
1969		-
1970		-)))
1971	1971
1972	1972	=== 4.2.3 Change to Class A ===
1973	1973
...	...	@@ -1975,8 +1975,9 @@
1975	1975	(((
1976	1976	(% style="color:blue" %)**If sensor JOINED:**
1977	1977
1978		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1979		-ATZ**
	2005	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
	2006	+
	2007	+(% style="background-color:#dcdcdc" %)**ATZ**
1980	1980	)))
1981	1981
1982	1982
...	...	@@ -2006,7 +2006,7 @@
2006	2006
2007	2007	(((
2008	2008	(% 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]].
2009		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
	2037	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2010	2010	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2011	2011
2012	2012
...	...	@@ -2029,7 +2029,6 @@
2029	2029
2030	2030	(% 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:
2031	2031
2032		-
2033	2033	[[image:1653360054704-518.png||height="186" width="745"]]
2034	2034
2035	2035
...	...	@@ -2093,13 +2093,21 @@
2093	2093
2094	2094	(((
2095	2095	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2123	+
2096	2096	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2125	+
2097	2097	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2127	+
2098	2098	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2129	+
2099	2099	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2131	+
2100	2100	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2133	+
2101	2101	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2135	+
2102	2102	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2137	+
2103	2103	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2104	2104	)))
2105	2105
...	...	@@ -2111,7 +2111,7 @@
2111	2111	[[image:1653360498588-932.png||height="485" width="726"]]
2112	2112
2113	2113
2114		-== 6.4 How to change the uplink interval？ ==
	2149	+== 6.4 How to change the uplink interval? ==
2115	2115
2116	2116
2117	2117	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/]]
...	...	@@ -2160,6 +2160,12 @@
2160	2160	Firmware version needs to be no less than 1.6.0.
2161	2161
2162	2162
	2198	+== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
	2199	+
	2200	+
	2201	+It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
	2202	+
	2203	+
2163	2163	= 7. Trouble Shooting =
2164	2164	)))
2165	2165
...	...	@@ -2200,6 +2200,13 @@
2200	2200	)))
2201	2201
2202	2202
	2244	+== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
	2245	+
	2246	+
	2247	+The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
	2248	+Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
	2249	+
	2250	+
2203	2203	= 8. Order Info =
2204	2204
2205	2205
...	...	@@ -2241,7 +2241,7 @@
2241	2241	Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2242	2242	)))
2243	2243	* (((
2244		-Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	2292	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2245	2245
2246	2246
2247	2247

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