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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.Bei
	1	+XWiki.pradeeka

Content

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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	(((
...	...	@@ -53,164 +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
	105	+== 1.4 Applications ==
192	192
193		-== 1.4  Applications ==
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		-(% border="1" style="background-color:#f2f2f2; width:500px" %)
213		-|(% 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**
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"]]
...	...	@@ -223,85 +223,124 @@
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 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
237		-
238		-)))
	144	+== 2.2 Terminals ==
239	239
240		-[[image:1653297104069-180.png]]
	146	+Upper screw terminal block (from left to right):
241	241
	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
242	242
243		-= 3. Operation Mode =
	157	+Lower screw terminal block (from left to right):
244	244
245		-== 3.1 How it works? ==
	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
246	246
	172	+== 2.3 Powering ==
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		-)))
	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.
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		-)))
255	255
	177	+[[image:1653297104069-180.png]]
256	256
257		-== 3.2 Example to join LoRaWAN network ==
258	258
	180	+= 3. Operation Mode =
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.
	182	+== 3.1 How does it work? ==
262	262
263		-
264		-)))
	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.
265	265
266		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	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.
267	267
	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.
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:
	190	+== 3.2 Registering with a LoRaWAN network server ==
271	271
272		-
273		-)))
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
274	274
275		-(((
276		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
277		-)))
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
278	278
279		-(((
280		-Each LT is shipped with a sticker with the default device EUI as below:
281		-)))
	196	+=== 3.2.1 Prerequisites ===
282	282
	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.
	199	+
283	283	[[image:image-20230425173427-2.png||height="246" width="530"]]
284	284
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
285	285
286		-Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
	204	+=== 3.2.2 The Things Stack Sandbox (TTSS) ===
287	287
288		-**Add APP EUI in the application.**
	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:
289	289
290		-[[image:1653297955910-247.png||height="321" width="716"]]
	210	+==== Using the LoRaWAN Device Repository: ====
291	291
	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.
292	292
293		-**Add APP KEY and DEV EUI**
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
294	294
295		-[[image:1653298023685-319.png]]
	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.
296	296
	227	+[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
297	297
	229	+==== Entering device information manually: ====
298	298
299		-(((
300		-(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
	231	+* On the **Register end device** page:
	232	+** Select the **Enter end device specified manually** option.
	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** option.
	237	+** Select **Over the air activation (OTAA)** option under **Activation mode**
	238	+** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
	239	+** Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
	240	+** Enter **DevEUI** in the **DevEUI** field.
	241	+** Enter **AppKey** in the **AppKey** field.
	242	+** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
	243	+** Under **After registration**, select the **View registered end device** option.
301	301
302		-
303		-)))
	245	+==== Joining ====
304	304
	247	+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.
	248	+
305	305	[[image:1653298044601-602.png||height="405" width="709"]]
306	306
307	307
...	...	@@ -311,13 +311,17 @@
311	311	There are five working modes + one interrupt mode on LT for different type application:
312	312
313	313	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	258	+
314	314	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	260	+
315	315	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	262	+
316	316	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	264	+
317	317	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	266	+
318	318	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
319	319
320		-
321	321	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
322	322
323	323
...	...	@@ -324,20 +324,16 @@
324	324	(((
325	325	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
326	326
327		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
328		-|**Size(bytes)(% style="display:none" %) (%%)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
	275	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	276	+|(% 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**
329	329	|Value|(((
330		-AVI1
331		-voltage
	278	+AVI1 voltage
332	332	)))|(((
333		-AVI2
334		-voltage
	280	+AVI2 voltage
335	335	)))|(((
336		-ACI1
337		-Current
	282	+ACI1 Current
338	338	)))|(((
339		-ACI2
340		-Current
	284	+ACI2 Current
341	341	)))|DIDORO*|(((
342	342	Reserve
343	343	)))|MOD
...	...	@@ -344,17 +344,14 @@
344	344	)))
345	345
346	346	(((
347		-
348		-
349	349	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
350	350
351		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	293	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
352	352	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
353	353	|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
354	354	)))
355	355
356		-
357		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	298	+* RO is for relay. ROx=1 : close, ROx=0 always open.
358	358	* DI is for digital input. DIx=1: high or float, DIx=0: low.
359	359	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
360	360
...	...	@@ -365,7 +365,7 @@
365	365
366	366	**The value for the interface is:  **
367	367
368		-AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
	309	+AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
369	369
370	370	AVI2 channel voltage is 0x04AC/1000=1.196V
371	371
...	...	@@ -393,7 +393,6 @@
393	393	** DO1 is high in case there is load between DO1 and V+.
394	394	** DO1 LED is off in both case
395	395
396		-
397	397	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
398	398
399	399
...	...	@@ -404,25 +404,21 @@
404	404	(((
405	405	Total : 11 bytes payload
406	406
407		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
408		-|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
	347	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	348	+|(% 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**
409	409	|Value|COUNT1|COUNT2 |DIDORO*|(((
410		-Reserve
411		-
412		-
	350	+Reserve
413	413	)))|MOD
414	414	)))
415	415
416	416	(((
417		-
418		-
419	419	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
420	420
421		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	357	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
422	422	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
423	423	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
424	424
425		-RO is for relay. ROx=1 : close，ROx=0 always open.
	361	+RO is for relay. ROx=1 : close , ROx=0 always open.
426	426	)))
427	427
428	428	* FIRST: Indicate this is the first packet after join network.
...	...	@@ -430,39 +430,32 @@
430	430
431	431	(((
432	432	(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
433		-)))
434	434
435		-(((
436	436
	371	+)))
437	437
	373	+(((
438	438	**To use counting mode, please run:**
439	439	)))
440	440
	377	+(((
441	441	(% class="box infomessage" %)
442	442	(((
443		-(((
444		-(((
445	445	**AT+MOD=2**
446		-)))
447	447
448		-(((
449	449	**ATZ**
450	450	)))
451	451	)))
452		-)))
453	453
454	454	(((
455	455
456	456
457	457	(% style="color:#4f81bd" %)**AT Commands for counting:**
458		-
459		-
460	460	)))
461	461
462	462	(((
463	463	**For LT22222-L:**
464	464
465		-
466	466	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
467	467
468	468	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -482,8 +482,8 @@
482	482
483	483	**LT22222-L**: This mode the DI1 is used as a counting pin.
484	484
485		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
486		-|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
	414	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	415	+|(% 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**
487	487	|Value|COUNT1|(((
488	488	ACI1 Current
489	489	)))|(((
...	...	@@ -491,17 +491,14 @@
491	491	)))|DIDORO*|Reserve|MOD
492	492
493	493	(((
494		-
495		-
496	496	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
497	497
498		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	425	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
499	499	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
500	500	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
501	501	)))
502	502
503		-
504		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	430	+* RO is for relay. ROx=1 : close, ROx=0 always open.
505	505	* FIRST: Indicate this is the first packet after join network.
506	506	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
507	507
...	...	@@ -514,18 +514,14 @@
514	514	**To use counting mode, please run:**
515	515	)))
516	516
	443	+(((
517	517	(% class="box infomessage" %)
518	518	(((
519		-(((
520		-(((
521	521	**AT+MOD=3**
522		-)))
523	523
524		-(((
525	525	**ATZ**
526	526	)))
527	527	)))
528		-)))
529	529
530	530	(((
531	531	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -542,63 +542,51 @@
542	542	(((
543	543	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.
544	544
545		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
546		-|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
	467	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	468	+|(% 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**
547	547	|Value|COUNT1|AVI1 Counting|DIDORO*|(((
548	548	Reserve
549		-
550		-
551	551	)))|MOD
552	552	)))
553	553
554		-
555	555	(((
556	556	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
557	557
558		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	477	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
559	559	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
560	560	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
561	561	)))
562	562
563		-
564		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	482	+* RO is for relay. ROx=1 : close, ROx=0 always open.
565	565	* FIRST: Indicate this is the first packet after join network.
566	566	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
567	567
568	568	(((
569	569	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
570		-)))
571	571
572		-(((
573	573
	490	+)))
574	574
	492	+(((
575	575	**To use this mode, please run:**
576	576	)))
577	577
	496	+(((
578	578	(% class="box infomessage" %)
579	579	(((
580		-(((
581		-(((
582	582	**AT+MOD=4**
583		-)))
584	584
585		-(((
586	586	**ATZ**
587	587	)))
588	588	)))
589		-)))
590	590
591		-
592	592	(((
593	593	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
594	594	)))
595	595
596	596	(((
597		-
598		-
599	599	**Plus below command for AVI1 Counting:**
600	600
601		-
602	602	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
603	603
604	604	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -614,32 +614,27 @@
614	614
615	615	**LT22222-L**: This mode the DI1 is used as a counting pin.
616	616
617		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
618		-|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
	527	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	528	+|(% 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**
619	619	|Value|(((
620		-AVI1
621		-voltage
	530	+AVI1 voltage
622	622	)))|(((
623		-AVI2
624		-voltage
	532	+AVI2 voltage
625	625	)))|(((
626		-ACI1
627		-Current
	534	+ACI1 Current
628	628	)))|COUNT1|DIDORO*|(((
629	629	Reserve
630	630	)))|MOD
631	631
632	632	(((
633		-
634		-
635	635	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
636	636
637		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	542	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
638	638	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
639	639	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
640	640	)))
641	641
642		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	547	+* RO is for relay. ROx=1 : close, ROx=0 always open.
643	643	* FIRST: Indicate this is the first packet after join network.
644	644	* (((
645	645	DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -650,23 +650,17 @@
650	650	)))
651	651
652	652	(((
653		-
654		-
655	655	**To use this mode, please run:**
656	656	)))
657	657
	561	+(((
658	658	(% class="box infomessage" %)
659	659	(((
660		-(((
661		-(((
662	662	**AT+MOD=5**
663		-)))
664	664
665		-(((
666	666	**ATZ**
667	667	)))
668	668	)))
669		-)))
670	670
671	671	(((
672	672	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -761,50 +761,38 @@
761	761
762	762	MOD6 Payload : total 11 bytes payload
763	763
764		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
765		-|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
	663	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	664	+|(% 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**
766	766	|Value|(((
767		-TRI_A
768		-FLAG
	666	+TRI_A FLAG
769	769	)))|(((
770		-TRI_A
771		-Status
	668	+TRI_A Status
772	772	)))|(((
773		-TRI_DI
774		-FLAG+STA
	670	+TRI_DI FLAG+STA
775	775	)))|Reserve|Enable/Disable MOD6|(((
776		-MOD
777		-(6)
	672	+MOD(6)
778	778	)))
779	779
780	780	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
781	781
782		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	677	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
783	783	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
784	784	|(((
785		-AV1_
786		-LOW
	680	+AV1_LOW
787	787	)))|(((
788		-AV1_
789		-HIGH
	682	+AV1_HIGH
790	790	)))|(((
791		-AV2_
792		-LOW
	684	+AV2_LOW
793	793	)))|(((
794		-AV2_
795		-HIGH
	686	+AV2_HIGH
796	796	)))|(((
797		-AC1_
798		-LOW
	688	+AC1_LOW
799	799	)))|(((
800		-AC1_
801		-HIGH
	690	+AC1_HIGH
802	802	)))|(((
803		-AC2_
804		-LOW
	692	+AC2_LOW
805	805	)))|(((
806		-AC2_
807		-HIGH
	694	+AC2_HIGH
808	808	)))
809	809
810	810	* Each bits shows if the corresponding trigger has been configured.
...	...	@@ -816,32 +816,24 @@
816	816
817	817	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
818	818
819		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	706	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
820	820	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
821	821	|(((
822		-AV1_
823		-LOW
	709	+AV1_LOW
824	824	)))|(((
825		-AV1_
826		-HIGH
	711	+AV1_HIGH
827	827	)))|(((
828		-AV2_
829		-LOW
	713	+AV2_LOW
830	830	)))|(((
831		-AV2_
832		-HIGH
	715	+AV2_HIGH
833	833	)))|(((
834		-AC1_
835		-LOW
	717	+AC1_LOW
836	836	)))|(((
837		-AC1_
838		-HIGH
	719	+AC1_HIGH
839	839	)))|(((
840		-AC2_
841		-LOW
	721	+AC2_LOW
842	842	)))|(((
843		-AC2_
844		-HIGH
	723	+AC2_HIGH
845	845	)))
846	846
847	847	* Each bits shows which status has been trigger on this uplink.
...	...	@@ -853,7 +853,7 @@
853	853
854	854	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
855	855
856		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	735	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
857	857	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
858	858	|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
859	859
...	...	@@ -901,7 +901,6 @@
901	901
902	902	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
903	903
904		-
905	905	=== 3.4.1 Common Commands ===
906	906
907	907
...	...	@@ -936,14 +936,10 @@
936	936
937	937	Set work mode.
938	938
939		-* (% style="color:#037691" %)**AT Command:**
	817	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
940	940
941		-(% style="color:blue" %)**AT+MOD=N  **
942		-
943		-
944	944	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
945	945
946		-
947	947	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
948	948
949	949	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -953,16 +953,12 @@
953	953	==== 3.4.2.3 Poll an uplink ====
954	954
955	955
956		-* (% style="color:#037691" %)**AT Command:**
	830	+* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
957	957
958		-There is no AT Command to poll uplink
959		-
960		-
961	961	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
962	962
963	963	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
964	964
965		-
966	966	**Example**: 0x08FF, ask device to send an Uplink
967	967
968	968
...	...	@@ -972,10 +972,8 @@
972	972
973	973	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
974	974
975		-* (% style="color:#037691" %)**AT Command:**
	845	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
976	976
977		-(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
978		-
979	979	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
980	980
981	981	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -990,13 +990,12 @@
990	990	==== 3.4.2.5 Poll trigger settings ====
991	991
992	992
993		-Poll trigger settings,
	861	+Poll trigger settings
994	994
995	995	* (% style="color:#037691" %)**AT Command:**
996	996
997	997	There is no AT Command for this feature.
998	998
999		-
1000	1000	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
1001	1001
1002	1002	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -1008,15 +1008,11 @@
1008	1008
1009	1009	Enable Disable DI1/DI2/DI2 as trigger,
1010	1010
1011		-* (% style="color:#037691" %)**AT Command:**
	878	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1012	1012
1013		-(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	880	+**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
1014	1014
1015	1015
1016		-**Example:**
1017		-
1018		-AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
1019		-
1020	1020	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1021	1021
1022	1022	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -1028,20 +1028,15 @@
1028	1028
1029	1029	Set DI1 or DI3(for LT-33222-L) trigger.
1030	1030
1031		-* (% style="color:#037691" %)**AT Command:**
	894	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
1032	1032
1033		-(% style="color:blue" %)**AT+TRIG1=a,b**
1034		-
1035	1035	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1036	1036
1037	1037	(% style="color:red" %)**b :** (%%)delay timing.
1038	1038
	900	+**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1039	1039
1040		-**Example:**
1041	1041
1042		-AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1043		-
1044		-
1045	1045	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
1046	1046
1047	1047	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -1053,20 +1053,15 @@
1053	1053
1054	1054	Set DI2 trigger.
1055	1055
1056		-* (% style="color:#037691" %)**AT Command:**
	914	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
1057	1057
1058		-(% style="color:blue" %)**AT+TRIG2=a,b**
1059		-
1060	1060	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1061	1061
1062	1062	(% style="color:red" %)**b :** (%%)delay timing.
1063	1063
	920	+**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1064	1064
1065		-**Example:**
1066	1066
1067		-AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1068		-
1069		-
1070	1070	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1071	1071
1072	1072	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -1078,11 +1078,8 @@
1078	1078
1079	1079	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1080	1080
1081		-* (% style="color:#037691" %)**AT Command**
	934	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1082	1082
1083		-(% style="color:blue" %)**AT+ACLIM**
1084		-
1085		-
1086	1086	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1087	1087
1088	1088	(% 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"]]
...	...	@@ -1094,11 +1094,8 @@
1094	1094
1095	1095	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1096	1096
1097		-* (% style="color:#037691" %)**AT Command**
	947	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1098	1098
1099		-(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1100		-
1101		-
1102	1102	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1103	1103
1104	1104	(% 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"]]
...	...	@@ -1110,18 +1110,13 @@
1110	1110
1111	1111	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1112	1112
1113		-* (% style="color:#037691" %)**AT Command**
	960	+* (% 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.
1114	1114
1115		-(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1116		-
1117		-
1118	1118	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1119	1119
1120	1120	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1121	1121
1122	1122	(((
1123		-
1124		-
1125	1125	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1126	1126	)))
1127	1127
...	...	@@ -1136,8 +1136,9 @@
1136	1136
1137	1137
1138	1138	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1139		-* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1140	1140
	982	+(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
	983	+
1141	1141	(((
1142	1142	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1143	1143	)))
...	...	@@ -1145,14 +1145,13 @@
1145	1145	(((
1146	1146	01: Low,  00: High ,  11: No action
1147	1147
1148		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1149		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
	991	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	992	+|(% 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**
1150	1150	|02  01  00  11|Low|High|No Action
1151	1151	|02  00  11  01|High|No Action|Low
1152	1152	|02  11  01  00|No Action|Low|High
1153	1153	)))
1154	1154
1155		-
1156	1156	(((
1157	1157	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1158	1158	)))
...	...	@@ -1190,7 +1190,7 @@
1190	1190	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1191	1191
1192	1192	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1193		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
	1035	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1194	1194	|0x01|DO1 set to low
1195	1195	|0x00|DO1 set to high
1196	1196	|0x11|DO1 NO Action
...	...	@@ -1198,7 +1198,7 @@
1198	1198	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1199	1199
1200	1200	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1201		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
	1043	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1202	1202	|0x01|DO2 set to low
1203	1203	|0x00|DO2 set to high
1204	1204	|0x11|DO2 NO Action
...	...	@@ -1206,7 +1206,7 @@
1206	1206	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1207	1207
1208	1208	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1209		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
	1051	+|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1210	1210	|0x01|DO3 set to low
1211	1211	|0x00|DO3 set to high
1212	1212	|0x11|DO3 NO Action
...	...	@@ -1220,7 +1220,6 @@
1220	1220
1221	1221	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1222	1222
1223		-
1224	1224	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1225	1225
1226	1226
...	...	@@ -1244,7 +1244,7 @@
1244	1244
1245	1245
1246	1246
1247		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
	1088	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1248	1248
1249	1249
1250	1250	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1262,10 +1262,10 @@
1262	1262	)))
1263	1263
1264	1264	(((
1265		-01: Close ,  00: Open , 11: No action
	1106	+00: Close ,  01: Open , 11: No action
1266	1266
1267	1267	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1268		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
	1109	+|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1269	1269	|03  00  11|Open|No Action
1270	1270	|03  01  11|Close|No Action
1271	1271	|03  11  00|No Action|Open
...	...	@@ -1276,10 +1276,6 @@
1276	1276	|03  00  01|Open|Close
1277	1277	)))
1278	1278
1279		-(((
1280		-
1281		-)))
1282		-
1283	1283	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1284	1284
1285	1285
...	...	@@ -1351,11 +1351,8 @@
1351	1351
1352	1352	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1353	1353
1354		-* (% style="color:#037691" %)**AT Command:**
	1191	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1355	1355
1356		-(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1357		-
1358		-
1359	1359	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1360	1360
1361	1361	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1365,10 +1365,8 @@
1365	1365	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1366	1366
1367	1367
1368		-* (% style="color:#037691" %)**AT Command:**
	1202	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1369	1369
1370		-(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1371		-
1372	1372	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1373	1373
1374	1374	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1385,11 +1385,8 @@
1385	1385
1386	1386	Clear counting for counting mode
1387	1387
1388		-* (% style="color:#037691" %)**AT Command:**
	1220	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1389	1389
1390		-(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1391		-
1392		-
1393	1393	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1394	1394
1395	1395	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1548,7 +1548,6 @@
1548	1548	[[image:1653356838789-523.png||height="337" width="740"]]
1549	1549
1550	1550
1551		-
1552	1552	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1553	1553
1554	1554	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1580,12 +1580,12 @@
1580	1580
1581	1581
1582	1582	(((
1583		-The DI port of LT-22222-L can support NPN or PNP output sensor.
	1411	+The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1584	1584	)))
1585	1585
1586	1586	(((
1587	1587	(((
1588		-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.
	1416	+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.
1589	1589
1590	1590
1591	1591	)))
...	...	@@ -1693,6 +1693,19 @@
1693	1693	)))
1694	1694
1695	1695
	1524	+(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
	1525	+
	1526	+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.
	1527	+
	1528	+To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
	1529	+
	1530	+[[image:image-20230616235145-1.png]]
	1531	+
	1532	+(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
	1533	+
	1534	+[[image:image-20240219115718-1.png]]
	1535	+
	1536	+
1696	1696	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1697	1697
1698	1698
...	...	@@ -1767,12 +1767,9 @@
1767	1767	== 3.7 LEDs Indicators ==
1768	1768
1769	1769
1770		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1771		-|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
	1611	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1612	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1772	1772	|**PWR**|Always on if there is power
1773		-|**SYS**|(((
1774		-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.
1775		-)))
1776	1776	|**TX**|(((
1777	1777	(((
1778	1778	Device boot: TX blinks 5 times.
...	...	@@ -1787,22 +1787,17 @@
1787	1787	)))
1788	1788	)))
1789	1789	|**RX**|RX blinks once when receive a packet.
1790		-|**DO1**|
1791		-|**DO2**|
1792		-|**DO3**|
1793		-|**DI2**|(((
1794		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1628	+|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
	1629	+|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
	1630	+|**DI1**|(((
	1631	+For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1795	1795	)))
1796	1796	|**DI2**|(((
1797		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1634	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1798	1798	)))
1799		-|**DI2**|(((
1800		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1801		-)))
1802		-|**RO1**|
1803		-|**RO2**|
	1636	+|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
	1637	+|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1804	1804
1805		-
1806	1806	= 4. Use AT Command =
1807	1807
1808	1808	== 4.1 Access AT Command ==
...	...	@@ -1812,10 +1812,6 @@
1812	1812	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.
1813	1813	)))
1814	1814
1815		-(((
1816		-
1817		-)))
1818		-
1819	1819	[[image:1653358238933-385.png]]
1820	1820
1821	1821
...	...	@@ -2134,8 +2134,6 @@
2134	2134	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2135	2135
2136	2136	**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.**
2137		-
2138		-
2139	2139	)))
2140	2140
2141	2141	(((
...	...	@@ -2142,9 +2142,6 @@
2142	2142	[[image:1653359097980-169.png||height="188" width="729"]]
2143	2143	)))
2144	2144
2145		-(((
2146		-
2147		-)))
2148	2148
2149	2149	=== 4.2.3 Change to Class A ===
2150	2150
...	...	@@ -2152,8 +2152,9 @@
2152	2152	(((
2153	2153	(% style="color:blue" %)**If sensor JOINED:**
2154	2154
2155		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2156		-ATZ**
	1979	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
	1980	+
	1981	+(% style="background-color:#dcdcdc" %)**ATZ**
2157	2157	)))
2158	2158
2159	2159
...	...	@@ -2183,7 +2183,7 @@
2183	2183
2184	2184	(((
2185	2185	(% 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]].
2186		-(% 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]].
	2011	+(% 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]].
2187	2187	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2188	2188
2189	2189
...	...	@@ -2206,7 +2206,6 @@
2206	2206
2207	2207	(% 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:
2208	2208
2209		-
2210	2210	[[image:1653360054704-518.png||height="186" width="745"]]
2211	2211
2212	2212
...	...	@@ -2270,13 +2270,21 @@
2270	2270
2271	2271	(((
2272	2272	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2097	+
2273	2273	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2099	+
2274	2274	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2101	+
2275	2275	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2103	+
2276	2276	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2105	+
2277	2277	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2107	+
2278	2278	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2109	+
2279	2279	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2111	+
2280	2280	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2281	2281	)))
2282	2282
...	...	@@ -2288,7 +2288,7 @@
2288	2288	[[image:1653360498588-932.png||height="485" width="726"]]
2289	2289
2290	2290
2291		-== 6.4 How to change the uplink interval？ ==
	2123	+== 6.4 How to change the uplink interval? ==
2292	2292
2293	2293
2294	2294	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/]]
...	...	@@ -2337,6 +2337,12 @@
2337	2337	Firmware version needs to be no less than 1.6.0.
2338	2338
2339	2339
	2172	+== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
	2173	+
	2174	+
	2175	+It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
	2176	+
	2177	+
2340	2340	= 7. Trouble Shooting =
2341	2341	)))
2342	2342
...	...	@@ -2377,6 +2377,13 @@
2377	2377	)))
2378	2378
2379	2379
	2218	+== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
	2219	+
	2220	+
	2221	+The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
	2222	+Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
	2223	+
	2224	+
2380	2380	= 8. Order Info =
2381	2381
2382	2382
...	...	@@ -2394,7 +2394,6 @@
2394	2394	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2395	2395	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2396	2396
2397		-
2398	2398	= 9. Packing Info =
2399	2399
2400	2400
...	...	@@ -2412,7 +2412,6 @@
2412	2412	* Package Size / pcs : 14.5 x 8 x 5 cm
2413	2413	* Weight / pcs : 170g
2414	2414
2415		-
2416	2416	= 10. Support =
2417	2417
2418	2418

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