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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	(((
...	...	@@ -53,166 +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		-
194		-== 1.4  Applications ==
195		-
196		-
197	197	* Smart Buildings & Home Automation
198		-
199	199	* Logistics and Supply Chain Management
200		-
201	201	* Smart Metering
202		-
203	203	* Smart Agriculture
204		-
205	205	* Smart Cities
206		-
207	207	* Smart Factory
208	208
209		-
210		-
211	211	== 1.5 Hardware Variants ==
212	212
213	213
214		-(% border="1" style="background-color:#f2f2f2; width:500px" %)
215		-|(% 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**
216	216	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217	217	(% style="text-align:center" %)
218	218	[[image:image-20230424115112-1.png||height="106" width="58"]]
...	...	@@ -225,86 +225,124 @@
225	225	* 1 x Counting Port
226	226	)))
227	227
	131	+= 2. Assembling the Device =
228	228
	133	+== 2.1 What is included in the package? ==
229	229
230		-= 2. Power ON Device =
	135	+The package includes the following items:
231	231
	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
232	232
233		-(((
234		-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.
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
237		-(((
238		-PWR will on when device is properly powered.
	144	+== 2.2 Terminals ==
239	239
240		-
241		-)))
	146	+Upper screw terminal block (from left to right):
242	242
243		-[[image:1653297104069-180.png]]
	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
244	244
	157	+Lower screw terminal block (from left to right):
245	245
246		-= 3. Operation Mode =
	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
247	247
248		-== 3.1 How it works? ==
	172	+== 2.3 Powering ==
249	249
	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.
250	250
251		-(((
252		-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.
253		-)))
254	254
255		-(((
256		-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.
257		-)))
	177	+[[image:1653297104069-180.png]]
258	258
259	259
260		-== 3.2 Example to join LoRaWAN network ==
	180	+= 3. Operation Mode =
261	261
	182	+== 3.1 How does it work? ==
262	262
263		-(((
264		-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.
	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		-
267		-)))
	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.
268	268
269		-[[image:image-20220523172350-1.png||height="266" width="864"]]
	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.
270	270
	190	+== 3.2 Registering with a LoRaWAN network server ==
271	271
272		-(((
273		-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:
	192	+The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
274	274
275		-
276		-)))
	194	+[[image:image-20220523172350-1.png||height="266" width="864"]]
277	277
278		-(((
279		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
280		-)))
	196	+=== 3.2.1 Prerequisites ===
281	281
282		-(((
283		-Each LT is shipped with a sticker with the default device EUI as below:
284		-)))
	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.
285	285
286	286	[[image:image-20230425173427-2.png||height="246" width="530"]]
287	287
	202	+The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
288	288
289		-Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
	204	+=== 3.2.2 The Things Stack Sandbox (TTSS) ===
290	290
291		-**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:
292	292
293		-[[image:1653297955910-247.png||height="321" width="716"]]
	210	+==== Using the LoRaWAN Device Repository: ====
294	294
	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.
295	295
296		-**Add APP KEY and DEV EUI**
	218	+[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
297	297
298		-[[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.
299	299
	227	+[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
300	300
	229	+==== Entering device information manually: ====
301	301
302		-(((
303		-(% 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.
304	304
305		-
306		-)))
	245	+==== Joining ====
307	307
	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	+
308	308	[[image:1653298044601-602.png||height="405" width="709"]]
309	309
310	310
...	...	@@ -314,14 +314,17 @@
314	314	There are five working modes + one interrupt mode on LT for different type application:
315	315
316	316	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	258	+
317	317	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	260	+
318	318	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	262	+
319	319	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	264	+
320	320	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	266	+
321	321	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
322	322
323		-
324		-
325	325	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
326	326
327	327
...	...	@@ -328,20 +328,16 @@
328	328	(((
329	329	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
330	330
331		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
332		-|**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**
333	333	|Value|(((
334		-AVI1
335		-voltage
	278	+AVI1 voltage
336	336	)))|(((
337		-AVI2
338		-voltage
	280	+AVI2 voltage
339	339	)))|(((
340		-ACI1
341		-Current
	282	+ACI1 Current
342	342	)))|(((
343		-ACI2
344		-Current
	284	+ACI2 Current
345	345	)))|DIDORO*|(((
346	346	Reserve
347	347	)))|MOD
...	...	@@ -348,17 +348,14 @@
348	348	)))
349	349
350	350	(((
351		-
352		-
353	353	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
354	354
355		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	293	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
356	356	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
357	357	|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
358	358	)))
359	359
360		-
361		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	298	+* RO is for relay. ROx=1 : close, ROx=0 always open.
362	362	* DI is for digital input. DIx=1: high or float, DIx=0: low.
363	363	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
364	364
...	...	@@ -369,7 +369,7 @@
369	369
370	370	**The value for the interface is:  **
371	371
372		-AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
	309	+AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
373	373
374	374	AVI2 channel voltage is 0x04AC/1000=1.196V
375	375
...	...	@@ -397,8 +397,6 @@
397	397	** DO1 is high in case there is load between DO1 and V+.
398	398	** DO1 LED is off in both case
399	399
400		-
401		-
402	402	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
403	403
404	404
...	...	@@ -409,25 +409,21 @@
409	409	(((
410	410	Total : 11 bytes payload
411	411
412		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
413		-|**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**
414	414	|Value|COUNT1|COUNT2 |DIDORO*|(((
415		-Reserve
416		-
417		-
	350	+Reserve
418	418	)))|MOD
419	419	)))
420	420
421	421	(((
422		-
423		-
424	424	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
425	425
426		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	357	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
427	427	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
428	428	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
429	429
430		-RO is for relay. ROx=1 : close，ROx=0 always open.
	361	+RO is for relay. ROx=1 : close , ROx=0 always open.
431	431	)))
432	432
433	433	* FIRST: Indicate this is the first packet after join network.
...	...	@@ -435,39 +435,32 @@
435	435
436	436	(((
437	437	(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
438		-)))
439	439
440		-(((
441	441
	371	+)))
442	442
	373	+(((
443	443	**To use counting mode, please run:**
444	444	)))
445	445
	377	+(((
446	446	(% class="box infomessage" %)
447	447	(((
448		-(((
449		-(((
450	450	**AT+MOD=2**
451		-)))
452	452
453		-(((
454	454	**ATZ**
455	455	)))
456	456	)))
457		-)))
458	458
459	459	(((
460	460
461	461
462	462	(% style="color:#4f81bd" %)**AT Commands for counting:**
463		-
464		-
465	465	)))
466	466
467	467	(((
468	468	**For LT22222-L:**
469	469
470		-
471	471	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
472	472
473	473	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -487,8 +487,8 @@
487	487
488	488	**LT22222-L**: This mode the DI1 is used as a counting pin.
489	489
490		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
491		-|**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**
492	492	|Value|COUNT1|(((
493	493	ACI1 Current
494	494	)))|(((
...	...	@@ -496,17 +496,14 @@
496	496	)))|DIDORO*|Reserve|MOD
497	497
498	498	(((
499		-
500		-
501	501	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
502	502
503		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	425	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
504	504	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
505	505	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
506	506	)))
507	507
508		-
509		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	430	+* RO is for relay. ROx=1 : close, ROx=0 always open.
510	510	* FIRST: Indicate this is the first packet after join network.
511	511	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
512	512
...	...	@@ -519,18 +519,14 @@
519	519	**To use counting mode, please run:**
520	520	)))
521	521
	443	+(((
522	522	(% class="box infomessage" %)
523	523	(((
524		-(((
525		-(((
526	526	**AT+MOD=3**
527		-)))
528	528
529		-(((
530	530	**ATZ**
531	531	)))
532	532	)))
533		-)))
534	534
535	535	(((
536	536	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -547,63 +547,51 @@
547	547	(((
548	548	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.
549	549
550		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
551		-|**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**
552	552	|Value|COUNT1|AVI1 Counting|DIDORO*|(((
553	553	Reserve
554		-
555		-
556	556	)))|MOD
557	557	)))
558	558
559		-
560	560	(((
561	561	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
562	562
563		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	477	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
564	564	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
565	565	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
566	566	)))
567	567
568		-
569		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	482	+* RO is for relay. ROx=1 : close, ROx=0 always open.
570	570	* FIRST: Indicate this is the first packet after join network.
571	571	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
572	572
573	573	(((
574	574	(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
575		-)))
576	576
577		-(((
578	578
	490	+)))
579	579
	492	+(((
580	580	**To use this mode, please run:**
581	581	)))
582	582
	496	+(((
583	583	(% class="box infomessage" %)
584	584	(((
585		-(((
586		-(((
587	587	**AT+MOD=4**
588		-)))
589	589
590		-(((
591	591	**ATZ**
592	592	)))
593	593	)))
594		-)))
595	595
596		-
597	597	(((
598	598	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
599	599	)))
600	600
601	601	(((
602		-
603		-
604	604	**Plus below command for AVI1 Counting:**
605	605
606		-
607	607	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
608	608
609	609	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -619,32 +619,27 @@
619	619
620	620	**LT22222-L**: This mode the DI1 is used as a counting pin.
621	621
622		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
623		-|**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**
624	624	|Value|(((
625		-AVI1
626		-voltage
	530	+AVI1 voltage
627	627	)))|(((
628		-AVI2
629		-voltage
	532	+AVI2 voltage
630	630	)))|(((
631		-ACI1
632		-Current
	534	+ACI1 Current
633	633	)))|COUNT1|DIDORO*|(((
634	634	Reserve
635	635	)))|MOD
636	636
637	637	(((
638		-
639		-
640	640	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
641	641
642		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	542	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
643	643	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
644	644	|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
645	645	)))
646	646
647		-* RO is for relay. ROx=1 : close，ROx=0 always open.
	547	+* RO is for relay. ROx=1 : close, ROx=0 always open.
648	648	* FIRST: Indicate this is the first packet after join network.
649	649	* (((
650	650	DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -655,23 +655,17 @@
655	655	)))
656	656
657	657	(((
658		-
659		-
660	660	**To use this mode, please run:**
661	661	)))
662	662
	561	+(((
663	663	(% class="box infomessage" %)
664	664	(((
665		-(((
666		-(((
667	667	**AT+MOD=5**
668		-)))
669	669
670		-(((
671	671	**ATZ**
672	672	)))
673	673	)))
674		-)))
675	675
676	676	(((
677	677	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -766,51 +766,38 @@
766	766
767	767	MOD6 Payload : total 11 bytes payload
768	768
769		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
770		-|**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**
771	771	|Value|(((
772		-TRI_A
773		-FLAG
	666	+TRI_A FLAG
774	774	)))|(((
775		-TRI_A
776		-Status
	668	+TRI_A Status
777	777	)))|(((
778		-TRI_DI
779		-FLAG+STA
	670	+TRI_DI FLAG+STA
780	780	)))|Reserve|Enable/Disable MOD6|(((
781		-MOD
782		-(6)
	672	+MOD(6)
783	783	)))
784	784
785		-
786	786	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
787	787
788		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	677	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
789	789	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
790	790	|(((
791		-AV1_
792		-LOW
	680	+AV1_LOW
793	793	)))|(((
794		-AV1_
795		-HIGH
	682	+AV1_HIGH
796	796	)))|(((
797		-AV2_
798		-LOW
	684	+AV2_LOW
799	799	)))|(((
800		-AV2_
801		-HIGH
	686	+AV2_HIGH
802	802	)))|(((
803		-AC1_
804		-LOW
	688	+AC1_LOW
805	805	)))|(((
806		-AC1_
807		-HIGH
	690	+AC1_HIGH
808	808	)))|(((
809		-AC2_
810		-LOW
	692	+AC2_LOW
811	811	)))|(((
812		-AC2_
813		-HIGH
	694	+AC2_HIGH
814	814	)))
815	815
816	816	* Each bits shows if the corresponding trigger has been configured.
...	...	@@ -822,32 +822,24 @@
822	822
823	823	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
824	824
825		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	706	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
826	826	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
827	827	|(((
828		-AV1_
829		-LOW
	709	+AV1_LOW
830	830	)))|(((
831		-AV1_
832		-HIGH
	711	+AV1_HIGH
833	833	)))|(((
834		-AV2_
835		-LOW
	713	+AV2_LOW
836	836	)))|(((
837		-AV2_
838		-HIGH
	715	+AV2_HIGH
839	839	)))|(((
840		-AC1_
841		-LOW
	717	+AC1_LOW
842	842	)))|(((
843		-AC1_
844		-HIGH
	719	+AC1_HIGH
845	845	)))|(((
846		-AC2_
847		-LOW
	721	+AC2_LOW
848	848	)))|(((
849		-AC2_
850		-HIGH
	723	+AC2_HIGH
851	851	)))
852	852
853	853	* Each bits shows which status has been trigger on this uplink.
...	...	@@ -859,7 +859,7 @@
859	859
860	860	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
861	861
862		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	735	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
863	863	|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
864	864	|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
865	865
...	...	@@ -907,8 +907,6 @@
907	907
908	908	* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
909	909
910		-
911		-
912	912	=== 3.4.1 Common Commands ===
913	913
914	914
...	...	@@ -943,14 +943,10 @@
943	943
944	944	Set work mode.
945	945
946		-* (% style="color:#037691" %)**AT Command:**
	817	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
947	947
948		-(% style="color:blue" %)**AT+MOD=N  **
949		-
950		-
951	951	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
952	952
953		-
954	954	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
955	955
956	956	(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
...	...	@@ -960,16 +960,12 @@
960	960	==== 3.4.2.3 Poll an uplink ====
961	961
962	962
963		-* (% style="color:#037691" %)**AT Command:**
	830	+* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
964	964
965		-There is no AT Command to poll uplink
966		-
967		-
968	968	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
969	969
970	970	(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
971	971
972		-
973	973	**Example**: 0x08FF, ask device to send an Uplink
974	974
975	975
...	...	@@ -979,10 +979,8 @@
979	979
980	980	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
981	981
982		-* (% style="color:#037691" %)**AT Command:**
	845	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
983	983
984		-(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
985		-
986	986	(% style="color:red" %)**1:** (%%)Enable Trigger Mode
987	987
988	988	(% style="color:red" %)**0: **(%%)Disable Trigger Mode
...	...	@@ -997,13 +997,12 @@
997	997	==== 3.4.2.5 Poll trigger settings ====
998	998
999	999
1000		-Poll trigger settings,
	861	+Poll trigger settings
1001	1001
1002	1002	* (% style="color:#037691" %)**AT Command:**
1003	1003
1004	1004	There is no AT Command for this feature.
1005	1005
1006		-
1007	1007	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
1008	1008
1009	1009	(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
...	...	@@ -1015,15 +1015,11 @@
1015	1015
1016	1016	Enable Disable DI1/DI2/DI2 as trigger,
1017	1017
1018		-* (% style="color:#037691" %)**AT Command:**
	878	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1019	1019
1020		-(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	880	+**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
1021	1021
1022	1022
1023		-**Example:**
1024		-
1025		-AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
1026		-
1027	1027	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1028	1028
1029	1029	(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
...	...	@@ -1035,20 +1035,15 @@
1035	1035
1036	1036	Set DI1 or DI3(for LT-33222-L) trigger.
1037	1037
1038		-* (% style="color:#037691" %)**AT Command:**
	894	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
1039	1039
1040		-(% style="color:blue" %)**AT+TRIG1=a,b**
1041		-
1042	1042	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1043	1043
1044	1044	(% style="color:red" %)**b :** (%%)delay timing.
1045	1045
	900	+**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1046	1046
1047		-**Example:**
1048	1048
1049		-AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1050		-
1051		-
1052	1052	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
1053	1053
1054	1054	(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
...	...	@@ -1060,20 +1060,15 @@
1060	1060
1061	1061	Set DI2 trigger.
1062	1062
1063		-* (% style="color:#037691" %)**AT Command:**
	914	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
1064	1064
1065		-(% style="color:blue" %)**AT+TRIG2=a,b**
1066		-
1067	1067	(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1068	1068
1069	1069	(% style="color:red" %)**b :** (%%)delay timing.
1070	1070
	920	+**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1071	1071
1072		-**Example:**
1073	1073
1074		-AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1075		-
1076		-
1077	1077	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1078	1078
1079	1079	(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
...	...	@@ -1085,11 +1085,8 @@
1085	1085
1086	1086	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1087	1087
1088		-* (% style="color:#037691" %)**AT Command**
	934	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1089	1089
1090		-(% style="color:blue" %)**AT+ACLIM**
1091		-
1092		-
1093	1093	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1094	1094
1095	1095	(% 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"]]
...	...	@@ -1101,11 +1101,8 @@
1101	1101
1102	1102	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1103	1103
1104		-* (% style="color:#037691" %)**AT Command**
	947	+* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1105	1105
1106		-(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1107		-
1108		-
1109	1109	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1110	1110
1111	1111	(% 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"]]
...	...	@@ -1117,18 +1117,13 @@
1117	1117
1118	1118	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1119	1119
1120		-* (% 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.
1121	1121
1122		-(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1123		-
1124		-
1125	1125	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1126	1126
1127	1127	(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1128	1128
1129	1129	(((
1130		-
1131		-
1132	1132	(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1133	1133	)))
1134	1134
...	...	@@ -1143,8 +1143,9 @@
1143	1143
1144	1144
1145	1145	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1146		-* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1147	1147
	982	+(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
	983	+
1148	1148	(((
1149	1149	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1150	1150	)))
...	...	@@ -1152,14 +1152,13 @@
1152	1152	(((
1153	1153	01: Low,  00: High ,  11: No action
1154	1154
1155		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1156		-|(% 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**
1157	1157	|02  01  00  11|Low|High|No Action
1158	1158	|02  00  11  01|High|No Action|Low
1159	1159	|02  11  01  00|No Action|Low|High
1160	1160	)))
1161	1161
1162		-
1163	1163	(((
1164	1164	(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1165	1165	)))
...	...	@@ -1197,7 +1197,7 @@
1197	1197	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1198	1198
1199	1199	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1200		-|(% 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**
1201	1201	|0x01|DO1 set to low
1202	1202	|0x00|DO1 set to high
1203	1203	|0x11|DO1 NO Action
...	...	@@ -1205,7 +1205,7 @@
1205	1205	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1206	1206
1207	1207	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1208		-|(% 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**
1209	1209	|0x01|DO2 set to low
1210	1210	|0x00|DO2 set to high
1211	1211	|0x11|DO2 NO Action
...	...	@@ -1213,7 +1213,7 @@
1213	1213	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1214	1214
1215	1215	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1216		-|(% 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**
1217	1217	|0x01|DO3 set to low
1218	1218	|0x00|DO3 set to high
1219	1219	|0x11|DO3 NO Action
...	...	@@ -1227,7 +1227,6 @@
1227	1227
1228	1228	Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1229	1229
1230		-
1231	1231	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1232	1232
1233	1233
...	...	@@ -1251,7 +1251,7 @@
1251	1251
1252	1252
1253	1253
1254		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
	1088	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1255	1255
1256	1256
1257	1257	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -1269,10 +1269,10 @@
1269	1269	)))
1270	1270
1271	1271	(((
1272		-01: Close ,  00: Open , 11: No action
	1106	+00: Close ,  01: Open , 11: No action
1273	1273
1274	1274	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1275		-|(% 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**
1276	1276	|03  00  11|Open|No Action
1277	1277	|03  01  11|Close|No Action
1278	1278	|03  11  00|No Action|Open
...	...	@@ -1283,10 +1283,6 @@
1283	1283	|03  00  01|Open|Close
1284	1284	)))
1285	1285
1286		-(((
1287		-
1288		-)))
1289		-
1290	1290	(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1291	1291
1292	1292
...	...	@@ -1358,11 +1358,8 @@
1358	1358
1359	1359	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1360	1360
1361		-* (% style="color:#037691" %)**AT Command:**
	1191	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1362	1362
1363		-(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1364		-
1365		-
1366	1366	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1367	1367
1368	1368	(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
...	...	@@ -1372,10 +1372,8 @@
1372	1372	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1373	1373
1374	1374
1375		-* (% style="color:#037691" %)**AT Command:**
	1202	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1376	1376
1377		-(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1378		-
1379	1379	(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1380	1380
1381	1381	(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
...	...	@@ -1392,11 +1392,8 @@
1392	1392
1393	1393	Clear counting for counting mode
1394	1394
1395		-* (% style="color:#037691" %)**AT Command:**
	1220	+* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1396	1396
1397		-(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1398		-
1399		-
1400	1400	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1401	1401
1402	1402	(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
...	...	@@ -1555,7 +1555,6 @@
1555	1555	[[image:1653356838789-523.png||height="337" width="740"]]
1556	1556
1557	1557
1558		-
1559	1559	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1560	1560
1561	1561	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1587,12 +1587,12 @@
1587	1587
1588	1588
1589	1589	(((
1590		-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.
1591	1591	)))
1592	1592
1593	1593	(((
1594	1594	(((
1595		-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.
1596	1596
1597	1597
1598	1598	)))
...	...	@@ -1700,6 +1700,19 @@
1700	1700	)))
1701	1701
1702	1702
	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	+
1703	1703	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1704	1704
1705	1705
...	...	@@ -1733,7 +1733,6 @@
1733	1733
1734	1734	**Black:  GND**
1735	1735
1736		-
1737	1737	**Connection diagram:**
1738	1738
1739	1739	[[image:1653357640609-758.png]]
...	...	@@ -1741,6 +1741,22 @@
1741	1741	[[image:1653357648330-671.png||height="155" width="733"]]
1742	1742
1743	1743
	1577	+Example connected to a regulated power supply to measure voltage
	1578	+
	1579	+[[image:image-20230608101532-1.png||height="606" width="447"]]
	1580	+
	1581	+[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
	1582	+
	1583	+[[image:image-20230608101722-3.png||height="102" width="1139"]]
	1584	+
	1585	+
	1586	+(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
	1587	+
	1588	+(% style="color:red" %)**Red:  12~~24v**
	1589	+
	1590	+**Black:  GND**
	1591	+
	1592	+
1744	1744	=== 3.6.5 Relay Output ===
1745	1745
1746	1746
...	...	@@ -1759,12 +1759,9 @@
1759	1759	== 3.7 LEDs Indicators ==
1760	1760
1761	1761
1762		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1763		-|(% 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**
1764	1764	|**PWR**|Always on if there is power
1765		-|**SYS**|(((
1766		-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.
1767		-)))
1768	1768	|**TX**|(((
1769	1769	(((
1770	1770	Device boot: TX blinks 5 times.
...	...	@@ -1779,23 +1779,17 @@
1779	1779	)))
1780	1780	)))
1781	1781	|**RX**|RX blinks once when receive a packet.
1782		-|**DO1**|
1783		-|**DO2**|
1784		-|**DO3**|
1785		-|**DI2**|(((
1786		-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
1787	1787	)))
1788	1788	|**DI2**|(((
1789		-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
1790	1790	)))
1791		-|**DI2**|(((
1792		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1793		-)))
1794		-|**RO1**|
1795		-|**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
1796	1796
1797		-
1798		-
1799	1799	= 4. Use AT Command =
1800	1800
1801	1801	== 4.1 Access AT Command ==
...	...	@@ -1805,10 +1805,6 @@
1805	1805	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.
1806	1806	)))
1807	1807
1808		-(((
1809		-
1810		-)))
1811		-
1812	1812	[[image:1653358238933-385.png]]
1813	1813
1814	1814
...	...	@@ -2127,8 +2127,6 @@
2127	2127	dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2128	2128
2129	2129	**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.**
2130		-
2131		-
2132	2132	)))
2133	2133
2134	2134	(((
...	...	@@ -2135,9 +2135,6 @@
2135	2135	[[image:1653359097980-169.png||height="188" width="729"]]
2136	2136	)))
2137	2137
2138		-(((
2139		-
2140		-)))
2141	2141
2142	2142	=== 4.2.3 Change to Class A ===
2143	2143
...	...	@@ -2145,8 +2145,9 @@
2145	2145	(((
2146	2146	(% style="color:blue" %)**If sensor JOINED:**
2147	2147
2148		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2149		-ATZ**
	1979	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
	1980	+
	1981	+(% style="background-color:#dcdcdc" %)**ATZ**
2150	2150	)))
2151	2151
2152	2152
...	...	@@ -2176,7 +2176,7 @@
2176	2176
2177	2177	(((
2178	2178	(% 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]].
2179		-(% 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]].
2180	2180	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2181	2181
2182	2182
...	...	@@ -2199,7 +2199,6 @@
2199	2199
2200	2200	(% 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:
2201	2201
2202		-
2203	2203	[[image:1653360054704-518.png||height="186" width="745"]]
2204	2204
2205	2205
...	...	@@ -2263,13 +2263,21 @@
2263	2263
2264	2264	(((
2265	2265	(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2097	+
2266	2266	(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2099	+
2267	2267	(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2101	+
2268	2268	(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2103	+
2269	2269	(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2105	+
2270	2270	(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2107	+
2271	2271	(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2109	+
2272	2272	(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2111	+
2273	2273	(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2274	2274	)))
2275	2275
...	...	@@ -2281,7 +2281,7 @@
2281	2281	[[image:1653360498588-932.png||height="485" width="726"]]
2282	2282
2283	2283
2284		-== 6.4 How to change the uplink interval？ ==
	2123	+== 6.4 How to change the uplink interval? ==
2285	2285
2286	2286
2287	2287	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/]]
...	...	@@ -2330,6 +2330,12 @@
2330	2330	Firmware version needs to be no less than 1.6.0.
2331	2331
2332	2332
	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	+
2333	2333	= 7. Trouble Shooting =
2334	2334	)))
2335	2335
...	...	@@ -2370,6 +2370,13 @@
2370	2370	)))
2371	2371
2372	2372
	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	+
2373	2373	= 8. Order Info =
2374	2374
2375	2375
...	...	@@ -2387,8 +2387,6 @@
2387	2387	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2388	2388	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2389	2389
2390		-
2391		-
2392	2392	= 9. Packing Info =
2393	2393
2394	2394
...	...	@@ -2406,8 +2406,6 @@
2406	2406	* Package Size / pcs : 14.5 x 8 x 5 cm
2407	2407	* Weight / pcs : 170g
2408	2408
2409		-
2410		-
2411	2411	= 10. Support =
2412	2412
2413	2413

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