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Summary

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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.pradeeka
1 +XWiki.Xiaoling
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -19,30 +19,36 @@
19 19  
20 20  = 1.Introduction =
21 21  
22 -== 1.1 What is the LT-22222-L I/O Controller? ==
18 +== 1.1 What is LT Series I/O Controller ==
23 23  
24 24  (((
25 -(((
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.
21 +
27 27  
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.
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.
29 29  )))
30 30  )))
31 31  
32 32  (((
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.
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.
34 34  )))
35 35  
36 -> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
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 +)))
37 37  
38 38  (((
39 -You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
37 +The use environment includes:
38 +)))
40 40  
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.
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 +)))
44 44  
45 -> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
44 +(((
45 +2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
46 +
47 +
46 46  )))
47 47  
48 48  (((
... ... @@ -53,69 +53,162 @@
53 53  
54 54  == 1.2 Specifications ==
55 55  
58 +(((
59 +
60 +
56 56  (% style="color:#037691" %)**Hardware System:**
62 +)))
57 57  
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
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
64 64  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
82 +
83 +(((
84 +
85 +
65 65  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
66 66  
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. 
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 +)))
73 73  
108 +(((
109 +
110 +
74 74  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
75 75  
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.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
94 94  
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 +
95 95  == 1.3 Features ==
96 96  
177 +
97 97  * LoRaWAN Class A & Class C protocol
179 +
98 98  * Optional Customized LoRa Protocol
181 +
99 99  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
100 100  * AT Commands to change parameters
185 +
101 101  * Remote configure parameters via LoRa Downlink
187 +
102 102  * Firmware upgradable via program port
189 +
103 103  * Counting
104 104  
192 +
105 105  == 1.4 Applications ==
106 106  
195 +
107 107  * Smart Buildings & Home Automation
197 +
108 108  * Logistics and Supply Chain Management
199 +
109 109  * Smart Metering
201 +
110 110  * Smart Agriculture
203 +
111 111  * Smart Cities
205 +
112 112  * Smart Factory
113 113  
208 +
114 114  == 1.5 Hardware Variants ==
115 115  
116 116  
117 117  (% 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**
213 +|(% style="background-color:#4F81BD;color:white; width:103px" %)**Model**|(% style="background-color:#4F81BD;color:white; width:131px" %)**Photo**|(% style="background-color:#4F81BD;color:white; width:266px" %)**Description**
119 119  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 120  (% style="text-align:center" %)
121 121  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -128,124 +128,84 @@
128 128  * 1 x Counting Port
129 129  )))
130 130  
131 -= 2. Assembling the Device =
132 132  
133 -== 2.1 What is included in the package? ==
227 += 2. Power ON Device =
134 134  
135 -The package includes the following items:
136 136  
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
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 +)))
141 141  
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.
234 +(((
235 +PWR will on when device is properly powered.
143 143  
144 -== 2.2 Terminals ==
237 +
238 +)))
145 145  
146 -Upper screw terminal block (from left to right):
240 +[[image:1653297104069-180.png]]
147 147  
148 -(% style="width:634px" %)
149 -|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 -|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 -|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 -|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 -|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 -|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 -|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
156 156  
157 -Lower screw terminal block (from left to right):
243 += 3. Operation Mode =
158 158  
159 -(% style="width:633px" %)
160 -|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 -|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 -|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 -|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 -|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 -|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 -|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 -|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 -|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 -|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 -|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
245 +== 3.1 How it works? ==
171 171  
172 -== 2.3 Powering ==
173 173  
174 -The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
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 +)))
175 175  
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 +)))
176 176  
177 -[[image:1653297104069-180.png]]
178 178  
257 +== 3.2 Example to join LoRaWAN network ==
179 179  
180 -= 3. Operation Mode =
181 181  
182 -== 3.1 How does it work? ==
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. 
183 183  
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.
263 +
264 +)))
185 185  
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. 
266 +[[image:image-20220523172350-1.png||height="266" width="864"]]
187 187  
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.
189 189  
190 -== 3.2 Registering with a LoRaWAN network server ==
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:
191 191  
192 -The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
272 +
273 +)))
193 193  
194 -[[image:image-20220523172350-1.png||height="266" width="864"]]
275 +(((
276 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
277 +)))
195 195  
196 -=== 3.2.1 Prerequisites ===
279 +(((
280 +Each LT is shipped with a sticker with the default device EUI as below:
281 +)))
197 197  
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 -
200 200  [[image:image-20230425173427-2.png||height="246" width="530"]]
201 201  
202 -The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
203 203  
204 -=== 3.2.2 The Things Stack Sandbox (TTSS) ===
286 +Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
205 205  
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:
288 +**Add APP EUI in the application.**
209 209  
210 -==== Using the LoRaWAN Device Repository: ====
290 +[[image:1653297955910-247.png||height="321" width="716"]]
211 211  
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.
217 217  
218 -[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
293 +**Add APP KEY and DEV EUI**
219 219  
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.
295 +[[image:1653298023685-319.png]]
226 226  
227 -[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
228 228  
229 -==== Entering device information manually: ====
298 +(((
299 +(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
230 230  
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 +
302 +)))
244 244  
245 -==== Joining ====
246 -
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 -
249 249  [[image:1653298044601-602.png||height="405" width="709"]]
250 250  
251 251  
... ... @@ -266,6 +266,7 @@
266 266  
267 267  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
268 268  
324 +
269 269  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
270 270  
271 271  
... ... @@ -273,7 +273,7 @@
273 273  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
274 274  
275 275  (% 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**
332 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
277 277  |Value|(((
278 278  AVI1 voltage
279 279  )))|(((
... ... @@ -334,6 +334,7 @@
334 334  ** DO1 is high in case there is load between DO1 and V+.
335 335  ** DO1 LED is off in both case
336 336  
393 +
337 337  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338 338  
339 339  
... ... @@ -345,7 +345,7 @@
345 345  Total : 11 bytes payload
346 346  
347 347  (% 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**
405 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
349 349  |Value|COUNT1|COUNT2 |DIDORO*|(((
350 350  Reserve
351 351  )))|MOD
... ... @@ -412,7 +412,7 @@
412 412  **LT22222-L**: This mode the DI1 is used as a counting pin.
413 413  
414 414  (% 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**
472 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
416 416  |Value|COUNT1|(((
417 417  ACI1 Current
418 418  )))|(((
... ... @@ -465,7 +465,7 @@
465 465  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.
466 466  
467 467  (% 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**
525 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
469 469  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
470 470  Reserve
471 471  )))|MOD
... ... @@ -525,7 +525,7 @@
525 525  **LT22222-L**: This mode the DI1 is used as a counting pin.
526 526  
527 527  (% 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**
585 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
529 529  |Value|(((
530 530  AVI1 voltage
531 531  )))|(((
... ... @@ -661,7 +661,7 @@
661 661  MOD6 Payload : total 11 bytes payload
662 662  
663 663  (% 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**
721 +|(% style="background-color:#4F81BD;color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white; width:69px" %)**1**|(% style="background-color:#4F81BD;color:white; width:69px" %)**1**|(% style="background-color:#4F81BD;color:white; width:109px" %)**1**|(% style="background-color:#4F81BD;color:white; width:49px" %)**6**|(% style="background-color:#4F81BD;color:white; width:109px" %)**1**|(% style="background-color:#4F81BD;color:white; width:50px" %)**1**
665 665  |Value|(((
666 666  TRI_A FLAG
667 667  )))|(((
... ... @@ -780,6 +780,7 @@
780 780  
781 781  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
782 782  
840 +
783 783  === 3.4.1 Common Commands ===
784 784  
785 785  
... ... @@ -989,7 +989,7 @@
989 989  01: Low,  00: High ,  11: No action
990 990  
991 991  (% 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**
1050 +|(% style="background-color:#4F81BD;color:white" %)**Downlink Code**|(% style="background-color:#4F81BD;color:white" %)**DO1**|(% style="background-color:#4F81BD;color:white" %)**DO2**|(% style="background-color:#4F81BD;color:white" %)**DO3**
993 993  |02  01  00  11|Low|High|No Action
994 994  |02  00  11  01|High|No Action|Low
995 995  |02  11  01  00|No Action|Low|High
... ... @@ -1032,7 +1032,7 @@
1032 1032  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1033 1033  
1034 1034  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1035 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1093 +|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
1036 1036  |0x01|DO1 set to low
1037 1037  |0x00|DO1 set to high
1038 1038  |0x11|DO1 NO Action
... ... @@ -1040,7 +1040,7 @@
1040 1040  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1041 1041  
1042 1042  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1043 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1101 +|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
1044 1044  |0x01|DO2 set to low
1045 1045  |0x00|DO2 set to high
1046 1046  |0x11|DO2 NO Action
... ... @@ -1048,7 +1048,7 @@
1048 1048  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1049 1049  
1050 1050  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1051 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1109 +|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
1052 1052  |0x01|DO3 set to low
1053 1053  |0x00|DO3 set to high
1054 1054  |0x11|DO3 NO Action
... ... @@ -1103,10 +1103,10 @@
1103 1103  )))
1104 1104  
1105 1105  (((
1106 -00: Close ,  01: Open , 11: No action
1164 +01: Close ,  00: Open , 11: No action
1107 1107  
1108 1108  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1109 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1167 +|(% style="background-color:#4F81BD;color:white" %)**Downlink Code**|(% style="background-color:#4F81BD;color:white" %)**RO1**|(% style="background-color:#4F81BD;color:white" %)**RO2**
1110 1110  |03  00  11|Open|No Action
1111 1111  |03  01  11|Close|No Action
1112 1112  |03  11  00|No Action|Open
... ... @@ -1529,11 +1529,7 @@
1529 1529  
1530 1530  [[image:image-20230616235145-1.png]]
1531 1531  
1532 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1533 1533  
1534 -[[image:image-20240219115718-1.png]]
1535 -
1536 -
1537 1537  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1538 1538  
1539 1539  
... ... @@ -1608,9 +1608,12 @@
1608 1608  == 3.7 LEDs Indicators ==
1609 1609  
1610 1610  
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**
1665 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1666 +|(% style="background-color:#4F81BD;color:white; width:50px" %)**LEDs**|(% style="background-color:#4F81BD;color:white; width:470px" %)**Feature**
1613 1613  |**PWR**|Always on if there is power
1668 +|**SYS**|(((
1669 +After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1670 +)))
1614 1614  |**TX**|(((
1615 1615  (((
1616 1616  Device boot: TX blinks 5 times.
... ... @@ -1625,17 +1625,22 @@
1625 1625  )))
1626 1626  )))
1627 1627  |**RX**|RX blinks once when receive a packet.
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
1685 +|**DO1**|
1686 +|**DO2**|
1687 +|**DO3**|
1688 +|**DI2**|(((
1689 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1632 1632  )))
1633 1633  |**DI2**|(((
1634 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1692 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1635 1635  )))
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
1694 +|**DI2**|(((
1695 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696 +)))
1697 +|**RO1**|
1698 +|**RO2**|
1638 1638  
1700 +
1639 1639  = 4. Use AT Command =
1640 1640  
1641 1641  == 4.1 Access AT Command ==
... ... @@ -1645,6 +1645,10 @@
1645 1645  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.
1646 1646  )))
1647 1647  
1710 +(((
1711 +
1712 +)))
1713 +
1648 1648  [[image:1653358238933-385.png]]
1649 1649  
1650 1650  
... ... @@ -2239,6 +2239,7 @@
2239 2239  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2240 2240  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2241 2241  
2308 +
2242 2242  = 9. Packing Info =
2243 2243  
2244 2244  
... ... @@ -2256,6 +2256,7 @@
2256 2256  * Package Size / pcs : 14.5 x 8 x 5 cm
2257 2257  * Weight / pcs : 170g
2258 2258  
2326 +
2259 2259  = 10. Support =
2260 2260  
2261 2261  
... ... @@ -2275,3 +2275,5 @@
2275 2275  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2276 2276  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2277 2277  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2346 +
2347 +
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