Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 126.5 >
edited by Xiaoling
on 2023/06/19 15:49
To version < 160.1 >
edited by Dilisi S
on 2024/11/02 05:25
>
Change comment: edits on payload formats upto section 3.3.4

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
... ... @@ -3,6 +3,10 @@
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -15,36 +15,30 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -== 1.1 What is LT Series I/O Controller ==
22 +== 1.1 What is the LT-22222-L I/O Controller? ==
19 19  
20 20  (((
21 -
22 -
23 23  (((
24 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 -)))
26 -)))
26 +The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27 27  
28 -(((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
28 +The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
30 30  )))
31 -
32 -(((
33 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34 34  )))
35 35  
36 36  (((
37 -The use environment includes:
33 +With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38 38  )))
39 39  
40 -(((
41 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 -)))
36 +> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43 43  
44 44  (((
45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
39 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46 46  
47 -
41 +* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
42 +* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 +* Setup your own private LoRaWAN network.
44 +
45 +> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48 48  )))
49 49  
50 50  (((
... ... @@ -53,165 +53,71 @@
53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
54 +== 1.2 Specifications ==
57 57  
58 -(((
59 -
60 -
61 61  (% style="color:#037691" %)**Hardware System:**
62 -)))
63 63  
64 -* (((
65 -STM32L072xxxx MCU
66 -)))
67 -* (((
68 -SX1276/78 Wireless Chip 
69 -)))
70 -* (((
71 -(((
72 -Power Consumption:
73 -)))
58 +* STM32L072xxxx MCU
59 +* SX1276/78 Wireless Chip 
60 +* Power Consumption:
61 +** Idle: 4mA@12v
62 +** 20dB Transmit: 34mA@12v
63 +* Operating Temperature: -40 ~~ 85 Degree, No Dew
74 74  
75 -* (((
76 -Idle: 4mA@12v
77 -)))
78 -* (((
79 -20dB Transmit: 34mA@12v
80 -)))
81 -)))
82 -
83 -(((
84 -
85 -
86 86  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 -)))
88 88  
89 -* (((
90 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 -)))
92 -* (((
93 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 -)))
95 -* (((
96 -2 x Relay Output (5A@250VAC / 30VDC)
97 -)))
98 -* (((
99 -2 x 0~~20mA Analog Input (res:0.01mA)
100 -)))
101 -* (((
102 -2 x 0~~30V Analog Input (res:0.01v)
103 -)))
104 -* (((
105 -Power Input 7~~ 24V DC. 
106 -)))
67 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
68 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
69 +* 2 x Relay Output (5A@250VAC / 30VDC)
70 +* 2 x 0~~20mA Analog Input (res:0.01mA)
71 +* 2 x 0~~30V Analog Input (res:0.01v)
72 +* Power Input 7~~ 24V DC. 
107 107  
108 -(((
109 -
110 -
111 111  (% style="color:#037691" %)**LoRa Spec:**
112 -)))
113 113  
114 -* (((
115 -(((
116 -Frequency Range:
117 -)))
76 +* Frequency Range:
77 +** Band 1 (HF): 862 ~~ 1020 Mhz
78 +** Band 2 (LF): 410 ~~ 528 Mhz
79 +* 168 dB maximum link budget.
80 +* +20 dBm - 100 mW constant RF output vs.
81 +* +14 dBm high efficiency PA.
82 +* Programmable bit rate up to 300 kbps.
83 +* High sensitivity: down to -148 dBm.
84 +* Bullet-proof front end: IIP3 = -12.5 dBm.
85 +* Excellent blocking immunity.
86 +* Low RX current of 10.3 mA, 200 nA register retention.
87 +* Fully integrated synthesizer with a resolution of 61 Hz.
88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 +* Built-in bit synchronizer for clock recovery.
90 +* Preamble detection.
91 +* 127 dB Dynamic Range RSSI.
92 +* Automatic RF Sense and CAD with ultra-fast AFC.
93 +* Packet engine up to 256 bytes with CRC.
118 118  
119 -* (((
120 -Band 1 (HF): 862 ~~ 1020 Mhz
121 -)))
122 -* (((
123 -Band 2 (LF): 410 ~~ 528 Mhz
124 -)))
125 -)))
126 -* (((
127 -168 dB maximum link budget.
128 -)))
129 -* (((
130 -+20 dBm - 100 mW constant RF output vs.
131 -)))
132 -* (((
133 -+14 dBm high efficiency PA.
134 -)))
135 -* (((
136 -Programmable bit rate up to 300 kbps.
137 -)))
138 -* (((
139 -High sensitivity: down to -148 dBm.
140 -)))
141 -* (((
142 -Bullet-proof front end: IIP3 = -12.5 dBm.
143 -)))
144 -* (((
145 -Excellent blocking immunity.
146 -)))
147 -* (((
148 -Low RX current of 10.3 mA, 200 nA register retention.
149 -)))
150 -* (((
151 -Fully integrated synthesizer with a resolution of 61 Hz.
152 -)))
153 -* (((
154 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 -)))
156 -* (((
157 -Built-in bit synchronizer for clock recovery.
158 -)))
159 -* (((
160 -Preamble detection.
161 -)))
162 -* (((
163 -127 dB Dynamic Range RSSI.
164 -)))
165 -* (((
166 -Automatic RF Sense and CAD with ultra-fast AFC.
167 -)))
168 -* (((
169 -Packet engine up to 256 bytes with CRC.
170 -
171 -
172 -
173 -)))
174 -
175 175  == 1.3 Features ==
176 176  
177 -
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 -== 1.4  Applications ==
105 +== 1.4 Applications ==
193 193  
194 -
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 -
208 -
209 -
210 210  == 1.5 Hardware Variants ==
211 211  
212 212  
213 213  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
214 -|(% 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:266px" %)**Description**
118 +|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
215 215  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
216 216  (% style="text-align:center" %)
217 217  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -224,93 +224,140 @@
224 224  * 1 x Counting Port
225 225  )))
226 226  
227 -= 2. Power ON Device =
131 += 2. Assembling the Device =
228 228  
133 +== 2.1 What is included in the package? ==
229 229  
230 -(((
231 -The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
232 -)))
135 +The package includes the following items:
233 233  
234 -(((
235 -PWR will on when device is properly powered.
137 +* 1 x LT-22222-L I/O Controller
138 +* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 +* 1 x bracket for wall mounting
140 +* 1 x programming cable
236 236  
237 -
238 -)))
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.
239 239  
144 +== 2.2 Terminals ==
145 +
146 +Upper screw terminal block (from left to right):
147 +
148 +(% style="width:634px" %)
149 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
156 +
157 +Lower screw terminal block (from left to right):
158 +
159 +(% style="width:633px" %)
160 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 +
172 +== 2.3 Powering ==
173 +
174 +The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
175 +
176 +
240 240  [[image:1653297104069-180.png]]
241 241  
242 242  
243 243  = 3. Operation Mode =
244 244  
245 -== 3.1 How it works? ==
182 +== 3.1 How does it work? ==
246 246  
184 +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.
247 247  
248 -(((
249 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
250 -)))
186 +For LT-22222-L, the LED will show the Join status: After 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. 
251 251  
252 -(((
253 -In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
254 -)))
188 +In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
255 255  
190 +== 3.2 Registering with a LoRaWAN network server ==
256 256  
257 -== 3.2 Example to join LoRaWAN network ==
192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
258 258  
194 +[[image:image-20220523172350-1.png||height="266" width="864"]]
259 259  
260 -(((
261 -This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
196 +=== 3.2.1 Prerequisites ===
262 262  
263 -
264 -)))
198 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
265 265  
266 -[[image:image-20220523172350-1.png||height="266" width="864"]]
200 +[[image:image-20230425173427-2.png||height="246" width="530"]]
267 267  
202 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
268 268  
269 -(((
270 -The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
204 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
271 271  
272 -
273 -)))
206 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
207 +* Create an application if you do not have one yet.
208 +* Register LT-22222-L with that application. Two registration options available:
274 274  
275 -(((
276 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
277 -)))
210 +==== Using the LoRaWAN Device Repository: ====
278 278  
279 -(((
280 -Each LT is shipped with a sticker with the default device EUI as below:
281 -)))
212 +* Go to your application and click on the **Register end device** button.
213 +* On the **Register end device** page:
214 +** Select the option **Select the end device in the LoRaWAN Device Repository**.
215 +** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
216 +** Select the **Frequency plan** that matches with your device.
282 282  
283 -[[image:image-20230425173427-2.png||height="246" width="530"]]
218 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
284 284  
220 +*
221 +** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
222 +** Enter the **DevEUI** in the **DevEUI** field.
223 +** Enter the **AppKey** in the **AppKey** field.
224 +** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
225 +** Under **After registration**, select the **View registered end device** option.
285 285  
286 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
227 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
287 287  
288 -**Add APP EUI in the application.**
229 +==== Entering device information manually: ====
289 289  
290 -[[image:1653297955910-247.png||height="321" width="716"]]
231 +* On the **Register end device** page:
232 +** Select the **Enter end device specifies manually** option as the input method.
233 +** Select the **Frequency plan** that matches with your device.
234 +** Select the **LoRaWAN version**.
235 +** Select the **Regional Parameters version**.
236 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
237 +** Select **Over the air activation (OTAA)** option under **Activation mode**
238 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
291 291  
240 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
292 292  
293 -**Add APP KEY and DEV EUI**
294 294  
295 -[[image:1653298023685-319.png]]
243 +* Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
244 +* Enter **DevEUI** in the **DevEUI** field.
245 +* Enter **AppKey** in the **AppKey** field.
246 +* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
247 +* Under **After registration**, select the **View registered end device** option.
296 296  
249 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
297 297  
298 298  
299 -(((
300 -(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
252 +==== Joining ====
301 301  
302 -
303 -)))
254 +Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
304 304  
305 305  [[image:1653298044601-602.png||height="405" width="709"]]
306 306  
307 307  
308 -== 3.3 Uplink Payload ==
259 +== 3.3 Uplink Payload formats ==
309 309  
310 310  
311 -There are five working modes + one interrupt mode on LT for different type application:
262 +The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different type applications that can be used together with all the working modes as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
312 312  
313 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
264 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
314 314  
315 315  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
316 316  
... ... @@ -326,10 +326,10 @@
326 326  
327 327  
328 328  (((
329 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
280 +The uplink payload is 11 bytes long. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" %)
330 330  
331 331  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
332 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
283 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
333 333  |Value|(((
334 334  AVI1 voltage
335 335  )))|(((
... ... @@ -344,25 +344,25 @@
344 344  )))
345 345  
346 346  (((
347 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
298 +(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
348 348  
349 349  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
350 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
351 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
301 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
302 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
352 352  )))
353 353  
354 -* RO is for relay. ROx=1 : close，ROx=0 always open.
355 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
356 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
305 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
306 +* DI is for digital input. DIx=1: high or floating, DIx=0: low.
307 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
357 357  
358 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
309 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
359 359  
360 -For example if payload is: [[image:image-20220523175847-2.png]]
311 +For example, if the payload is: [[image:image-20220523175847-2.png]]
361 361  
362 362  
363 -**The value for the interface is:  **
314 +**The interface values can be calculated as follows:  **
364 364  
365 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
316 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
366 366  
367 367  AVI2 channel voltage is 0x04AC/1000=1.196V
368 368  
... ... @@ -370,38 +370,38 @@
370 370  
371 371  ACI2 channel current is 0x1300/1000=4.864mA
372 372  
373 -The last byte 0xAA= 10101010(B) means
324 +The last byte 0xAA= 10101010(b) means,
374 374  
375 -* [1] RO1 relay channel is close and the RO1 LED is ON.
376 -* [0] RO2 relay channel is open and RO2 LED is OFF;
377 -
378 -**LT22222-L:**
379 -
380 -* [1] DI2 channel is high input and DI2 LED is ON;
381 -* [0] DI1 channel is low input;
382 -
383 -* [0] DO3 channel output state
384 -** DO3 is float in case no load between DO3 and V+.;
326 +* [1] RO1 relay channel is closed, and the RO1 LED is ON.
327 +* [0] RO2 relay channel is open, and RO2 LED is OFF.
328 +* [1] DI3 - not used for LT-22222-L.
329 +* [0] DI2 channel input is low, and the DI2 LED is OFF.
330 +* [1] DI1 channel input state:
331 +** DI1 is floating when there is no load between DI1 and V+.
332 +** DI1 is high when there is load between DI1 and V+.
333 +** DI1 LED is ON in both cases.
334 +* [0] DO3 channel output state:
335 +** DO3 is float in case no load between DO3 and V+.
385 385  ** DO3 is high in case there is load between DO3 and V+.
386 -** DO3 LED is off in both case
387 -* [1] DO2 channel output is low and DO2 LED is ON.
388 -* [0] DO1 channel output state
389 -** DO1 is float in case no load between DO1 and V+.;
390 -** DO1 is high in case there is load between DO1 and V+.
391 -** DO1 LED is off in both case
337 +** DO3 LED is OFF in both case
338 +* [1] DO2 channel output is low, and the DO2 LED is ON.
339 +* [0] DO1 channel output state:
340 +** DO1 is floating when there is no load between DO1 and V+.
341 +** DO1 is high when there is load between DO1 and V+.
342 +** DO1 LED is OFF in both case.
392 392  
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
396 396  (((
397 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
348 +**For LT-22222-L**: In this mode, the **DI1 and DI2** are used as counting pins.
398 398  )))
399 399  
400 400  (((
401 -Total : 11 bytes payload
352 +The uplink payload is 11 bytes long.
402 402  
403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
354 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
355 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
405 405  |Value|COUNT1|COUNT2 |DIDORO*|(((
406 406  Reserve
407 407  )))|MOD
... ... @@ -408,40 +408,36 @@
408 408  )))
409 409  
410 410  (((
411 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
362 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
412 412  
413 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
414 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
415 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
364 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
365 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
366 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
416 416  
417 -RO is for relay. ROx=1 : close，ROx=0 always open.
368 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
418 418  )))
419 419  
420 -* FIRST: Indicate this is the first packet after join network.
421 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
371 +* FIRST: Indicates that this is the first packet after joining the network.
372 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
422 422  
423 423  (((
424 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
425 -)))
375 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
426 426  
427 -(((
428 428  
378 +)))
429 429  
430 -**To use counting mode, please run:**
380 +(((
381 +**To activate this mode, please run the following AT command:**
431 431  )))
432 432  
384 +(((
433 433  (% class="box infomessage" %)
434 434  (((
435 -(((
436 -(((
437 437  **AT+MOD=2**
438 -)))
439 439  
440 -(((
441 441  **ATZ**
442 442  )))
443 443  )))
444 -)))
445 445  
446 446  (((
447 447  
... ... @@ -452,17 +452,17 @@
452 452  (((
453 453  **For LT22222-L:**
454 454  
455 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
402 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set the DI1 port to trigger on a low level, the valid signal duration is 100ms) **
456 456  
457 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
404 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set the DI1 port to trigger on a high level, the valid signal duration is 100ms) **
458 458  
459 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
406 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set the DI2 port to trigger on a low level, the valid signal duration is 100ms) **
460 460  
461 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
408 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set the DI2 port to trigger on a high level, the valid signal duration is 100ms) **
462 462  
463 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
410 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set the COUNT1 value to 60)**
464 464  
465 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
412 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set the COUNT2 value to 60)**
466 466  )))
467 467  
468 468  
... ... @@ -469,10 +469,10 @@
469 469  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
470 470  
471 471  
472 -**LT22222-L**: This mode the DI1 is used as a counting pin.
419 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
473 473  
474 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
475 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
421 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
422 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
476 476  |Value|COUNT1|(((
477 477  ACI1 Current
478 478  )))|(((
... ... @@ -480,16 +480,16 @@
480 480  )))|DIDORO*|Reserve|MOD
481 481  
482 482  (((
483 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
430 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
484 484  
485 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
486 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
487 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
432 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
433 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
434 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
488 488  )))
489 489  
490 -* RO is for relay. ROx=1 : close，ROx=0 always open.
491 -* FIRST: Indicate this is the first packet after join network.
492 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
437 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
438 +* FIRST: Indicates that this is the first packet after joining the network.
439 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
493 493  
494 494  (((
495 495  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
... ... @@ -497,24 +497,22 @@
497 497  
498 498  
499 499  (((
500 -**To use counting mode, please run:**
447 +**To activate this mode, please run the following AT command:**
501 501  )))
502 502  
450 +(((
503 503  (% class="box infomessage" %)
504 504  (((
505 -(((
506 -(((
507 507  **AT+MOD=3**
508 -)))
509 509  
510 -(((
511 511  **ATZ**
512 512  )))
513 513  )))
514 -)))
515 515  
516 516  (((
517 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
460 +AT Commands for counting:
461 +
462 +The AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. Use only the commands that match 'DI'.
518 518  )))
519 519  
520 520  
... ... @@ -522,14 +522,14 @@
522 522  
523 523  
524 524  (((
525 -**LT22222-L**: This mode the DI1 is used as a counting pin.
470 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
526 526  )))
527 527  
528 528  (((
529 -The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
474 +The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
530 530  
531 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
532 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
476 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
477 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
533 533  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
534 534  Reserve
535 535  )))|MOD
... ... @@ -536,49 +536,44 @@
536 536  )))
537 537  
538 538  (((
539 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484 +(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
540 540  
541 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
542 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
543 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
486 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
487 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
488 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
544 544  )))
545 545  
546 -* RO is for relay. ROx=1 : close，ROx=0 always open.
547 -* FIRST: Indicate this is the first packet after join network.
548 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
492 +* FIRST: Indicates that this is the first packet after joining the network.
493 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
549 549  
550 550  (((
551 551  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
552 -)))
553 553  
554 -(((
555 555  
499 +)))
556 556  
557 -**To use this mode, please run:**
501 +(((
502 +**To activate this mode, please run the following AT command:**
558 558  )))
559 559  
505 +(((
560 560  (% class="box infomessage" %)
561 561  (((
562 -(((
563 -(((
564 564  **AT+MOD=4**
565 -)))
566 566  
567 -(((
568 568  **ATZ**
569 569  )))
570 570  )))
571 -)))
572 572  
573 -
574 574  (((
575 575  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
576 576  )))
577 577  
578 578  (((
579 -**Plus below command for AVI1 Counting:**
519 +**In addition to that, below are the commands for AVI1 Counting:**
580 580  
581 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
521 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
582 582  
583 583  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
584 584  
... ... @@ -593,8 +593,8 @@
593 593  
594 594  **LT22222-L**: This mode the DI1 is used as a counting pin.
595 595  
596 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
597 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
536 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
537 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
598 598  |Value|(((
599 599  AVI1 voltage
600 600  )))|(((
... ... @@ -608,12 +608,12 @@
608 608  (((
609 609  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
610 610  
611 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
551 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
612 612  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
613 613  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
614 614  )))
615 615  
616 -* RO is for relay. ROx=1 : close，ROx=0 always open.
556 +* RO is for relay. ROx=1 : close, ROx=0 always open.
617 617  * FIRST: Indicate this is the first packet after join network.
618 618  * (((
619 619  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -624,23 +624,17 @@
624 624  )))
625 625  
626 626  (((
627 -
628 -
629 629  **To use this mode, please run:**
630 630  )))
631 631  
570 +(((
632 632  (% class="box infomessage" %)
633 633  (((
634 -(((
635 -(((
636 636  **AT+MOD=5**
637 -)))
638 638  
639 -(((
640 640  **ATZ**
641 641  )))
642 642  )))
643 -)))
644 644  
645 645  (((
646 646  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -735,8 +735,8 @@
735 735  
736 736  MOD6 Payload : total 11 bytes payload
737 737  
738 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
739 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
672 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
673 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
740 740  |Value|(((
741 741  TRI_A FLAG
742 742  )))|(((
... ... @@ -749,7 +749,7 @@
749 749  
750 750  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
751 751  
752 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
686 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
753 753  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
754 754  |(((
755 755  AV1_LOW
... ... @@ -778,7 +778,7 @@
778 778  
779 779  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
780 780  
781 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
715 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
782 782  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
783 783  |(((
784 784  AV1_LOW
... ... @@ -807,7 +807,7 @@
807 807  
808 808  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
809 809  
810 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
744 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
811 811  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
812 812  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
813 813  
... ... @@ -1064,7 +1064,7 @@
1064 1064  01: Low,  00: High ,  11: No action
1065 1065  
1066 1066  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1067 -|(% 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**
1001 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1068 1068  |02  01  00  11|Low|High|No Action
1069 1069  |02  00  11  01|High|No Action|Low
1070 1070  |02  11  01  00|No Action|Low|High
... ... @@ -1107,7 +1107,7 @@
1107 1107  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1108 1108  
1109 1109  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1110 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1044 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1111 1111  |0x01|DO1 set to low
1112 1112  |0x00|DO1 set to high
1113 1113  |0x11|DO1 NO Action
... ... @@ -1115,7 +1115,7 @@
1115 1115  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1116 1116  
1117 1117  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1118 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1052 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1119 1119  |0x01|DO2 set to low
1120 1120  |0x00|DO2 set to high
1121 1121  |0x11|DO2 NO Action
... ... @@ -1123,7 +1123,7 @@
1123 1123  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1124 1124  
1125 1125  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1126 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1060 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1127 1127  |0x01|DO3 set to low
1128 1128  |0x00|DO3 set to high
1129 1129  |0x11|DO3 NO Action
... ... @@ -1160,7 +1160,7 @@
1160 1160  
1161 1161  
1162 1162  
1163 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1097 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1164 1164  
1165 1165  
1166 1166  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1178,10 +1178,10 @@
1178 1178  )))
1179 1179  
1180 1180  (((
1181 -01: Close ,  00: Open , 11: No action
1115 +00: Close ,  01: Open , 11: No action
1182 1182  
1183 1183  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1184 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1118 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1185 1185  |03  00  11|Open|No Action
1186 1186  |03  01  11|Close|No Action
1187 1187  |03  11  00|No Action|Open
... ... @@ -1421,55 +1421,71 @@
1421 1421  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1422 1422  
1423 1423  
1424 -== 3.5 Integrate with Mydevice ==
1358 +== 3.5 Integrating with ThingsEye.io ==
1425 1425  
1360 +If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1426 1426  
1427 -Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1362 +=== 3.5.1 Configuring The Things Stack Sandbox ===
1428 1428  
1429 -(((
1430 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1431 -)))
1364 +* Go to your Application and select MQTT under Integrations.
1365 +* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
1366 +* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1432 1432  
1433 -(((
1434 -(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1368 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1435 1435  
1436 -
1437 -)))
1370 +=== 3.5.2 Configuring ThingsEye.io ===
1438 1438  
1439 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1372 +* Login to your thingsEye.io account.
1373 +* Under the Integrations center, click Integrations.
1374 +* Click the Add integration button (the button with the + symbol).
1440 1440  
1376 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1441 1441  
1442 1442  
1443 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1379 +On the Add integration page configure the following:
1444 1444  
1381 +Basic settings:
1445 1445  
1446 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1383 +* Select The Things Stack Community from the Integration type list.
1384 +* Enter a suitable name for your integration in the Name box or keep the default name.
1385 +* Click the Next button.
1447 1447  
1448 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1387 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1449 1449  
1450 -Search under The things network
1389 +Uplink Data converter:
1451 1451  
1452 -[[image:1653356838789-523.png||height="337" width="740"]]
1391 +* Click the Create New button if it is not selected by default.
1392 +* Click the JavaScript button.
1393 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1394 +* Click the Next button.
1453 1453  
1396 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1454 1454  
1398 +Downlink Data converter (this is an optional step):
1455 1455  
1456 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1400 +* Click the Create new button if it is not selected by default.
1401 +* Click the JavaScript button.
1402 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1403 +* Click the Next button.
1457 1457  
1458 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1405 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1459 1459  
1407 +Connection:
1460 1460  
1461 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1409 +* Choose Region from the Host type.
1410 +* Enter the cluster of your The Things Stack in the Region textbox.
1411 +* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
1412 +* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
1413 +* Click the Add button.
1462 1462  
1415 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1463 1463  
1464 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1465 1465  
1418 +Your integration is added to the integrations list and it will display on the Integrations page.
1466 1466  
1467 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1420 +[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1468 1468  
1469 1469  
1470 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1471 -
1472 -
1473 1473  == 3.6 Interface Detail ==
1474 1474  
1475 1475  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1605,8 +1605,11 @@
1605 1605  
1606 1606  [[image:image-20230616235145-1.png]]
1607 1607  
1558 +(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1608 1608  
1560 +[[image:image-20240219115718-1.png]]
1609 1609  
1562 +
1610 1610  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1611 1611  
1612 1612  
... ... @@ -1681,12 +1681,9 @@
1681 1681  == 3.7 LEDs Indicators ==
1682 1682  
1683 1683  
1684 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1685 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1637 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1638 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1686 1686  |**PWR**|Always on if there is power
1687 -|**SYS**|(((
1688 -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.
1689 -)))
1690 1690  |**TX**|(((
1691 1691  (((
1692 1692  Device boot: TX blinks 5 times.
... ... @@ -1701,20 +1701,16 @@
1701 1701  )))
1702 1702  )))
1703 1703  |**RX**|RX blinks once when receive a packet.
1704 -|**DO1**|
1705 -|**DO2**|
1706 -|**DO3**|
1707 -|**DI2**|(((
1708 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1654 +|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1655 +|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1656 +|**DI1**|(((
1657 +For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1709 1709  )))
1710 1710  |**DI2**|(((
1711 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1660 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1712 1712  )))
1713 -|**DI2**|(((
1714 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1715 -)))
1716 -|**RO1**|
1717 -|**RO2**|
1662 +|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1663 +|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1718 1718  
1719 1719  = 4. Use AT Command =
1720 1720  
... ... @@ -1725,10 +1725,6 @@
1725 1725  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.
1726 1726  )))
1727 1727  
1728 -(((
1729 -
1730 -)))
1731 -
1732 1732  [[image:1653358238933-385.png]]
1733 1733  
1734 1734  
... ... @@ -2047,8 +2047,6 @@
2047 2047  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2048 2048  
2049 2049  **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.**
2050 -
2051 -
2052 2052  )))
2053 2053  
2054 2054  (((
... ... @@ -2055,9 +2055,6 @@
2055 2055  [[image:1653359097980-169.png||height="188" width="729"]]
2056 2056  )))
2057 2057  
2058 -(((
2059 -
2060 -)))
2061 2061  
2062 2062  === 4.2.3 Change to Class A ===
2063 2063  
... ... @@ -2065,8 +2065,9 @@
2065 2065  (((
2066 2066  (% style="color:blue" %)**If sensor JOINED:**
2067 2067  
2068 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2069 -ATZ**
2005 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2006 +
2007 +(% style="background-color:#dcdcdc" %)**ATZ**
2070 2070  )))
2071 2071  
2072 2072  
... ... @@ -2119,7 +2119,6 @@
2119 2119  
2120 2120  (% 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:
2121 2121  
2122 -
2123 2123  [[image:1653360054704-518.png||height="186" width="745"]]
2124 2124  
2125 2125  
... ... @@ -2183,13 +2183,21 @@
2183 2183  
2184 2184  (((
2185 2185  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2123 +
2186 2186  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2125 +
2187 2187  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2127 +
2188 2188  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2129 +
2189 2189  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2131 +
2190 2190  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2133 +
2191 2191  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2135 +
2192 2192  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2137 +
2193 2193  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2194 2194  )))
2195 2195  
... ... @@ -2201,7 +2201,7 @@
2201 2201  [[image:1653360498588-932.png||height="485" width="726"]]
2202 2202  
2203 2203  
2204 -== 6.4 How to change the uplink interval？ ==
2149 +== 6.4 How to change the uplink interval? ==
2205 2205  
2206 2206  
2207 2207  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/]]
... ... @@ -2250,6 +2250,12 @@
2250 2250  Firmware version needs to be no less than 1.6.0.
2251 2251  
2252 2252  
2198 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2199 +
2200 +
2201 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2202 +
2203 +
2253 2253  = 7. Trouble Shooting =
2254 2254  )))
2255 2255  
... ... @@ -2290,6 +2290,13 @@
2290 2290  )))
2291 2291  
2292 2292  
2244 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2245 +
2246 +
2247 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2248 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2249 +
2250 +
2293 2293  = 8. Order Info =
2294 2294  
2295 2295  
... ... @@ -2343,5 +2343,3 @@
2343 2343  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2344 2344  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2345 2345  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2346 -
2347 -
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