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Change comment: edits from section 3.6.3

Summary

Details

Page properties
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
... ... @@ -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, smartphone detection, 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"]]
... ... @@ -225,132 +225,193 @@
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  
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 +
243 243  [[image:1653297104069-180.png]]
244 244  
245 245  
246 246  = 3. Operation Mode =
247 247  
248 -== 3.1 How it works? ==
182 +== 3.1 How does it work? ==
249 249  
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.
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 -)))
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. 
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 -)))
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.
258 258  
190 +== 3.2 Registering with a LoRaWAN network server ==
259 259  
260 -== 3.2 Example to join LoRaWAN network ==
192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
261 261  
194 +[[image:image-20220523172350-1.png||height="266" width="864"]]
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. 
196 +=== 3.2.1 Prerequisites ===
265 265  
266 -
267 -)))
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.
268 268  
269 -[[image:image-20220523172350-1.png||height="266" width="864"]]
200 +[[image:image-20230425173427-2.png||height="246" width="530"]]
270 270  
202 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
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:
204 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
274 274  
275 -
276 -)))
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:
277 277  
278 -(((
279 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
280 -)))
210 +==== Using the LoRaWAN Device Repository: ====
281 281  
282 -(((
283 -Each LT is shipped with a sticker with the default device EUI as below:
284 -)))
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.
285 285  
286 -[[image:image-20230425173427-2.png]]
218 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
287 287  
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.
288 288  
289 -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"]]
290 290  
291 -**Add APP EUI in the application.**
229 +==== Entering device information manually: ====
292 292  
293 -[[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**.
294 294  
240 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
295 295  
296 -**Add APP KEY and DEV EUI**
297 297  
298 -[[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.
299 299  
249 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
300 300  
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.
252 +==== Joining ====
304 304  
305 -
306 -)))
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.
307 307  
308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
311 -== 3.3 Uplink Payload ==
259 +== 3.3 Uplink Payload formats ==
312 312  
313 313  
314 -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.
315 315  
316 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
264 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
265 +
317 317  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
267 +
318 318  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
269 +
319 319  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
271 +
320 320  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273 +
321 321  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
322 322  
323 -
324 324  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
325 325  
326 326  
327 327  (((
328 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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" %)
281 +
282 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
283 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
284 +|Value|(((
285 +AVI1 voltage
286 +)))|(((
287 +AVI2 voltage
288 +)))|(((
289 +ACI1 Current
290 +)))|(((
291 +ACI2 Current
292 +)))|DIDORO*|(((
293 +Reserve
294 +)))|MOD
329 329  )))
330 330  
331 -[[image:image-20220523174024-3.png]]
332 -
333 333  (((
334 -
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.
335 335  
336 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
300 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
301 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
302 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
337 337  )))
338 338  
339 -[[image:image-20220523174254-4.png]]
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.
340 340  
341 -* RO is for relay. ROx=1 : close，ROx=0 always open.
342 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
343 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
309 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
344 344  
345 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
311 +For example, if the payload is: [[image:image-20220523175847-2.png]]
346 346  
347 -For example if payload is: [[image:image-20220523175847-2.png]]
348 348  
314 +**The interface values can be calculated as follows:  **
349 349  
350 -**The value for the interface is:  **
316 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
351 351  
352 -AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
353 -
354 354  AVI2 channel voltage is 0x04AC/1000=1.196V
355 355  
356 356  ACI1 channel current is 0x1310/1000=4.880mA
... ... @@ -357,97 +357,95 @@
357 357  
358 358  ACI2 channel current is 0x1300/1000=4.864mA
359 359  
360 -The last byte 0xAA= 10101010(B) means
324 +The last byte 0xAA= 10101010(b) means,
361 361  
362 -* [1] RO1 relay channel is close and the RO1 LED is ON.
363 -* [0] RO2 relay channel is open and RO2 LED is OFF;
364 -
365 -**LT22222-L:**
366 -
367 -* [1] DI2 channel is high input and DI2 LED is ON;
368 -* [0] DI1 channel is low input;
369 -
370 -* [0] DO3 channel output state
371 -** 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+.
372 372  ** DO3 is high in case there is load between DO3 and V+.
373 -** DO3 LED is off in both case
374 -* [1] DO2 channel output is low and DO2 LED is ON.
375 -* [0] DO1 channel output state
376 -** DO1 is float in case no load between DO1 and V+.;
377 -** DO1 is high in case there is load between DO1 and V+.
378 -** 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.
379 379  
380 -
381 381  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
382 382  
383 383  
384 384  (((
385 -**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.
386 386  )))
387 387  
388 388  (((
389 -Total : 11 bytes payload
352 +The uplink payload is 11 bytes long.
353 +
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**
356 +|Value|COUNT1|COUNT2 |DIDORO*|(((
357 +Reserve
358 +)))|MOD
390 390  )))
391 391  
392 -[[image:image-20220523180452-3.png]]
361 +(((
362 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
393 393  
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
394 394  
395 -(((
396 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
368 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
397 397  )))
398 398  
399 -[[image:image-20220523180506-4.png]]
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.
400 400  
401 -* RO is for relay. ROx=1 : close，ROx=0 always open.
402 -* FIRST: Indicate this is the first packet after join network.
403 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
404 -
405 405  (((
406 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
407 -)))
375 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
408 408  
409 -(((
410 410  
378 +)))
411 411  
412 -**To use counting mode, please run:**
380 +(((
381 +**To activate this mode, please run the following AT command:**
413 413  )))
414 414  
384 +(((
415 415  (% class="box infomessage" %)
416 416  (((
417 -(((
418 -(((
419 419  **AT+MOD=2**
420 -)))
421 421  
422 -(((
423 423  **ATZ**
424 424  )))
425 425  )))
426 -)))
427 427  
428 428  (((
429 429  
430 430  
431 431  (% style="color:#4f81bd" %)**AT Commands for counting:**
432 -
433 -
434 434  )))
435 435  
436 436  (((
437 437  **For LT22222-L:**
438 438  
402 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set the DI1 port to trigger on a low level, the valid signal duration is 100ms) **
439 439  
440 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
404 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set the DI1 port to trigger on a high level, the valid signal duration is 100ms) **
441 441  
442 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
406 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set the DI2 port to trigger on a low level, the valid signal duration is 100ms) **
443 443  
444 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
408 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set the DI2 port to trigger on a high level, the valid signal duration is 100ms) **
445 445  
446 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
410 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set the COUNT1 value to 60)**
447 447  
448 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
449 -
450 -(% 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)**
451 451  )))
452 452  
453 453  
... ... @@ -454,22 +454,28 @@
454 454  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
455 455  
456 456  
457 -**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.
458 458  
459 -[[image:image-20220523181246-5.png]]
421 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
422 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
423 +|Value|COUNT1|(((
424 +ACI1 Current
425 +)))|(((
426 +ACI2 Current
427 +)))|DIDORO*|Reserve|MOD
460 460  
461 461  (((
462 -
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.
463 463  
464 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
432 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
433 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
434 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
465 465  )))
466 466  
467 -[[image:image-20220523181301-6.png]]
437 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
438 +* FIRST: Indicates that this is the first packet after joining the network.
439 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
468 468  
469 -* RO is for relay. ROx=1 : close，ROx=0 always open.
470 -* FIRST: Indicate this is the first packet after join network.
471 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
472 -
473 473  (((
474 474  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
475 475  )))
... ... @@ -476,24 +476,22 @@
476 476  
477 477  
478 478  (((
479 -**To use counting mode, please run:**
447 +**To activate this mode, please run the following AT command:**
480 480  )))
481 481  
450 +(((
482 482  (% class="box infomessage" %)
483 483  (((
484 -(((
485 -(((
486 486  **AT+MOD=3**
487 -)))
488 488  
489 -(((
490 490  **ATZ**
491 491  )))
492 492  )))
493 -)))
494 494  
495 495  (((
496 -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'.
497 497  )))
498 498  
499 499  
... ... @@ -501,62 +501,59 @@
501 501  
502 502  
503 503  (((
504 -**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.
505 505  )))
506 506  
507 507  (((
508 -The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
474 +The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
475 +
476 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
477 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
478 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
479 +Reserve
480 +)))|MOD
509 509  )))
510 510  
511 -[[image:image-20220523181903-8.png]]
512 -
513 -
514 514  (((
515 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484 +(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
485 +
486 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
487 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
488 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
516 516  )))
517 517  
518 -[[image:image-20220523181727-7.png]]
491 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
492 +* FIRST: Indicates that this is the first packet after joining the network.
493 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
519 519  
520 -* RO is for relay. ROx=1 : close，ROx=0 always open.
521 -* FIRST: Indicate this is the first packet after join network.
522 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
523 -
524 524  (((
525 525  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
526 -)))
527 527  
528 -(((
529 529  
499 +)))
530 530  
531 -**To use this mode, please run:**
501 +(((
502 +**To activate this mode, please run the following AT command:**
532 532  )))
533 533  
505 +(((
534 534  (% class="box infomessage" %)
535 535  (((
536 -(((
537 -(((
538 538  **AT+MOD=4**
539 -)))
540 540  
541 -(((
542 542  **ATZ**
543 543  )))
544 544  )))
545 -)))
546 546  
547 -
548 548  (((
549 549  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
550 550  )))
551 551  
552 552  (((
553 -
519 +**In addition to that, below are the commands for AVI1 Counting:**
554 554  
555 -**Plus below command for AVI1 Counting:**
521 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
556 556  
557 -
558 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
559 -
560 560  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
561 561  
562 562  (% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -570,15 +570,27 @@
570 570  
571 571  **LT22222-L**: This mode the DI1 is used as a counting pin.
572 572  
573 -[[image:image-20220523182334-9.png]]
536 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
537 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
538 +|Value|(((
539 +AVI1 voltage
540 +)))|(((
541 +AVI2 voltage
542 +)))|(((
543 +ACI1 Current
544 +)))|COUNT1|DIDORO*|(((
545 +Reserve
546 +)))|MOD
574 574  
575 575  (((
576 -
577 -
578 578  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
550 +
551 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
552 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
553 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
579 579  )))
580 580  
581 -* RO is for relay. ROx=1 : close，ROx=0 always open.
556 +* RO is for relay. ROx=1 : close, ROx=0 always open.
582 582  * FIRST: Indicate this is the first packet after join network.
583 583  * (((
584 584  DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -589,23 +589,17 @@
589 589  )))
590 590  
591 591  (((
592 -
593 -
594 594  **To use this mode, please run:**
595 595  )))
596 596  
570 +(((
597 597  (% class="box infomessage" %)
598 598  (((
599 -(((
600 -(((
601 601  **AT+MOD=5**
602 -)))
603 603  
604 -(((
605 605  **ATZ**
606 606  )))
607 607  )))
608 -)))
609 609  
610 610  (((
611 611  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -700,12 +700,39 @@
700 700  
701 701  MOD6 Payload : total 11 bytes payload
702 702  
703 -[[image:image-20220524085923-1.png]]
672 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
673 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
674 +|Value|(((
675 +TRI_A FLAG
676 +)))|(((
677 +TRI_A Status
678 +)))|(((
679 +TRI_DI FLAG+STA
680 +)))|Reserve|Enable/Disable MOD6|(((
681 +MOD(6)
682 +)))
704 704  
705 -
706 706  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
707 707  
708 -[[image:image-20220524090106-2.png]]
686 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
687 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
688 +|(((
689 +AV1_LOW
690 +)))|(((
691 +AV1_HIGH
692 +)))|(((
693 +AV2_LOW
694 +)))|(((
695 +AV2_HIGH
696 +)))|(((
697 +AC1_LOW
698 +)))|(((
699 +AC1_HIGH
700 +)))|(((
701 +AC2_LOW
702 +)))|(((
703 +AC2_HIGH
704 +)))
709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
... ... @@ -714,10 +714,27 @@
714 714  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
715 715  
716 716  
717 -
718 718  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
719 719  
720 -[[image:image-20220524090249-3.png]]
715 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
716 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
717 +|(((
718 +AV1_LOW
719 +)))|(((
720 +AV1_HIGH
721 +)))|(((
722 +AV2_LOW
723 +)))|(((
724 +AV2_HIGH
725 +)))|(((
726 +AC1_LOW
727 +)))|(((
728 +AC1_HIGH
729 +)))|(((
730 +AC2_LOW
731 +)))|(((
732 +AC2_HIGH
733 +)))
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
... ... @@ -728,7 +728,9 @@
728 728  
729 729  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
730 730  
731 -[[image:image-20220524090456-4.png]]
744 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
745 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
746 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
732 732  
733 733  * Each bits shows which status has been trigger on this uplink.
734 734  
... ... @@ -774,7 +774,6 @@
774 774  
775 775  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
776 776  
777 -
778 778  === 3.4.1 Common Commands ===
779 779  
780 780  
... ... @@ -809,14 +809,10 @@
809 809  
810 810  Set work mode.
811 811  
812 -* (% style="color:#037691" %)**AT Command:**
826 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
813 813  
814 -(% style="color:blue" %)**AT+MOD=N  **
815 -
816 -
817 817  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
818 818  
819 -
820 820  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
821 821  
822 822  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -826,16 +826,12 @@
826 826  ==== 3.4.2.3 Poll an uplink ====
827 827  
828 828  
829 -* (% style="color:#037691" %)**AT Command:**
839 +* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
830 830  
831 -There is no AT Command to poll uplink
832 -
833 -
834 834  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
835 835  
836 836  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
837 837  
838 -
839 839  **Example**: 0x08FF, ask device to send an Uplink
840 840  
841 841  
... ... @@ -845,10 +845,8 @@
845 845  
846 846  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
847 847  
848 -* (% style="color:#037691" %)**AT Command:**
854 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
849 849  
850 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
851 -
852 852  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
853 853  
854 854  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -863,13 +863,12 @@
863 863  ==== 3.4.2.5 Poll trigger settings ====
864 864  
865 865  
866 -Poll trigger settings,
870 +Poll trigger settings
867 867  
868 868  * (% style="color:#037691" %)**AT Command:**
869 869  
870 870  There is no AT Command for this feature.
871 871  
872 -
873 873  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
874 874  
875 875  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -881,15 +881,11 @@
881 881  
882 882  Enable Disable DI1/DI2/DI2 as trigger,
883 883  
884 -* (% style="color:#037691" %)**AT Command:**
887 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
885 885  
886 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
889 +**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
887 887  
888 888  
889 -**Example:**
890 -
891 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
892 -
893 893  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
894 894  
895 895  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -901,20 +901,15 @@
901 901  
902 902  Set DI1 or DI3(for LT-33222-L) trigger.
903 903  
904 -* (% style="color:#037691" %)**AT Command:**
903 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
905 905  
906 -(% style="color:blue" %)**AT+TRIG1=a,b**
907 -
908 908  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
909 909  
910 910  (% style="color:red" %)**b :** (%%)delay timing.
911 911  
909 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
912 912  
913 -**Example:**
914 914  
915 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
916 -
917 -
918 918  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
919 919  
920 920  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -926,20 +926,15 @@
926 926  
927 927  Set DI2 trigger.
928 928  
929 -* (% style="color:#037691" %)**AT Command:**
923 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
930 930  
931 -(% style="color:blue" %)**AT+TRIG2=a,b**
932 -
933 933  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
934 934  
935 935  (% style="color:red" %)**b :** (%%)delay timing.
936 936  
929 +**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
937 937  
938 -**Example:**
939 939  
940 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
941 -
942 -
943 943  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
944 944  
945 945  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -951,11 +951,8 @@
951 951  
952 952  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
953 953  
954 -* (% style="color:#037691" %)**AT Command**
943 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
955 955  
956 -(% style="color:blue" %)**AT+ACLIM**
957 -
958 -
959 959  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
960 960  
961 961  (% 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"]]
... ... @@ -967,11 +967,8 @@
967 967  
968 968  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
969 969  
970 -* (% style="color:#037691" %)**AT Command**
956 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
971 971  
972 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
973 -
974 -
975 975  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
976 976  
977 977  (% 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"]]
... ... @@ -983,18 +983,13 @@
983 983  
984 984  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
985 985  
986 -* (% style="color:#037691" %)**AT Command**
969 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
987 987  
988 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
989 -
990 -
991 991  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
992 992  
993 993  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
994 994  
995 995  (((
996 -
997 -
998 998  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
999 999  )))
1000 1000  
... ... @@ -1009,8 +1009,9 @@
1009 1009  
1010 1010  
1011 1011  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1012 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1013 1013  
991 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
992 +
1014 1014  (((
1015 1015  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1016 1016  )))
... ... @@ -1017,10 +1017,14 @@
1017 1017  
1018 1018  (((
1019 1019  01: Low,  00: High ,  11: No action
999 +
1000 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1001 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1002 +|02  01  00  11|Low|High|No Action
1003 +|02  00  11  01|High|No Action|Low
1004 +|02  11  01  00|No Action|Low|High
1020 1020  )))
1021 1021  
1022 -[[image:image-20220524092754-5.png]]
1023 -
1024 1024  (((
1025 1025  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1026 1026  )))
... ... @@ -1057,24 +1057,31 @@
1057 1057  
1058 1058  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1059 1059  
1060 -[[image:image-20220524093238-6.png]]
1043 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1044 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1045 +|0x01|DO1 set to low
1046 +|0x00|DO1 set to high
1047 +|0x11|DO1 NO Action
1061 1061  
1062 -
1063 1063  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1064 1064  
1065 -[[image:image-20220524093328-7.png]]
1051 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1052 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1053 +|0x01|DO2 set to low
1054 +|0x00|DO2 set to high
1055 +|0x11|DO2 NO Action
1066 1066  
1067 -
1068 1068  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1069 1069  
1070 -[[image:image-20220524093351-8.png]]
1059 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1060 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1061 +|0x01|DO3 set to low
1062 +|0x00|DO3 set to high
1063 +|0x11|DO3 NO Action
1071 1071  
1065 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1072 1072  
1073 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1074 1074  
1075 - Latching time. Unit: ms
1076 -
1077 -
1078 1078  (% style="color:red" %)**Note: **
1079 1079  
1080 1080   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1081,7 +1081,6 @@
1081 1081  
1082 1082   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1083 1083  
1084 -
1085 1085  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1086 1086  
1087 1087  
... ... @@ -1105,7 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1108 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1097 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1109 1109  
1110 1110  
1111 1111  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1123,11 +1123,18 @@
1123 1123  )))
1124 1124  
1125 1125  (((
1126 -01: Close ,  00: Open , 11: No action
1127 -)))
1115 +00: Close ,  01: Open , 11: No action
1128 1128  
1129 -(((
1130 -[[image:image-20220524093724-9.png]]
1117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1118 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1119 +|03  00  11|Open|No Action
1120 +|03  01  11|Close|No Action
1121 +|03  11  00|No Action|Open
1122 +|03  11  01|No Action|Close
1123 +|03  00  00|Open|Open
1124 +|03  01  01|Close|Close
1125 +|03  01  00|Close|Open
1126 +|03  00  01|Open|Close
1131 1131  )))
1132 1132  
1133 1133  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1201,11 +1201,8 @@
1201 1201  
1202 1202  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1203 1203  
1204 -* (% style="color:#037691" %)**AT Command:**
1200 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1205 1205  
1206 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1207 -
1208 -
1209 1209  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1210 1210  
1211 1211  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1215,10 +1215,8 @@
1215 1215  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1216 1216  
1217 1217  
1218 -* (% style="color:#037691" %)**AT Command:**
1211 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1219 1219  
1220 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1221 -
1222 1222  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1223 1223  
1224 1224  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1235,11 +1235,8 @@
1235 1235  
1236 1236  Clear counting for counting mode
1237 1237  
1238 -* (% style="color:#037691" %)**AT Command:**
1229 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1239 1239  
1240 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1241 -
1242 -
1243 1243  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1244 1244  
1245 1245  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1367,57 +1367,73 @@
1367 1367  [[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"]]
1368 1368  
1369 1369  
1370 -== 3.5 Integrate with Mydevice ==
1358 +== 3.5 Integrating with ThingsEye.io ==
1371 1371  
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.
1372 1372  
1373 -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 ===
1374 1374  
1375 -(((
1376 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1377 -)))
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.
1378 1378  
1379 -(((
1380 -(% 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"]]
1381 1381  
1382 -
1383 -)))
1370 +=== 3.5.2 Configuring ThingsEye.io ===
1384 1384  
1385 -[[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).
1386 1386  
1376 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1387 1387  
1388 1388  
1389 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1379 +On the Add integration page configure the following:
1390 1390  
1381 +Basic settings:
1391 1391  
1392 -(% 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.
1393 1393  
1394 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1387 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1395 1395  
1396 -Search under The things network
1389 +Uplink Data converter:
1397 1397  
1398 -[[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.
1399 1399  
1396 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1400 1400  
1398 +Downlink Data converter (this is an optional step):
1401 1401  
1402 -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.
1403 1403  
1404 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1405 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1405 1405  
1407 +Connection:
1406 1406  
1407 -[[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.
1408 1408  
1415 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1409 1409  
1410 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1411 1411  
1418 +Your integration is added to the integrations list and it will display on the Integrations page.
1412 1412  
1413 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1420 +[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1414 1414  
1415 1415  
1416 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1423 +== 3.6 Interface Details ==
1417 1417  
1418 -
1419 -== 3.6 Interface Detail ==
1420 -
1421 1421  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1422 1422  
1423 1423  
... ... @@ -1426,16 +1426,16 @@
1426 1426  [[image:1653356991268-289.png]]
1427 1427  
1428 1428  
1429 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1433 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1430 1430  
1431 1431  
1432 1432  (((
1433 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1437 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1434 1434  )))
1435 1435  
1436 1436  (((
1437 1437  (((
1438 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1442 +The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH, and the DI LED status changes.
1439 1439  
1440 1440  
1441 1441  )))
... ... @@ -1445,7 +1445,7 @@
1445 1445  
1446 1446  (((
1447 1447  (((
1448 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1452 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1449 1449  )))
1450 1450  )))
1451 1451  
... ... @@ -1454,22 +1454,22 @@
1454 1454  )))
1455 1455  
1456 1456  (((
1457 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1461 +(% style="color:blue" %)**Example1**(%%): Connecting to a low-active sensor.
1458 1458  )))
1459 1459  
1460 1460  (((
1461 -This type of sensor will output a low signal GND when active.
1465 +This type of sensors outputs a low (GND) signal when active.
1462 1462  )))
1463 1463  
1464 1464  * (((
1465 -Connect sensor's output to DI1-
1469 +Connect the sensor's output to DI1-
1466 1466  )))
1467 1467  * (((
1468 -Connect sensor's VCC to DI1+.
1472 +Connect the sensor's VCC to DI1+.
1469 1469  )))
1470 1470  
1471 1471  (((
1472 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1476 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1473 1473  )))
1474 1474  
1475 1475  (((
... ... @@ -1477,7 +1477,7 @@
1477 1477  )))
1478 1478  
1479 1479  (((
1480 -If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1484 +For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
1481 1481  )))
1482 1482  
1483 1483  (((
... ... @@ -1485,22 +1485,22 @@
1485 1485  )))
1486 1486  
1487 1487  (((
1488 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1492 +(% style="color:blue" %)**Example2**(%%): Connecting to a high-active sensor.
1489 1489  )))
1490 1490  
1491 1491  (((
1492 -This type of sensor will output a high signal (example 24v) when active.
1496 +This type of sensors outputs a high signal (e.g., 24V) when active.
1493 1493  )))
1494 1494  
1495 1495  * (((
1496 -Connect sensor's output to DI1+
1500 +Connect the sensor's output to DI1+
1497 1497  )))
1498 1498  * (((
1499 -Connect sensor's GND DI1-.
1503 +Connect the sensor's GND DI1-.
1500 1500  )))
1501 1501  
1502 1502  (((
1503 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1507 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1504 1504  )))
1505 1505  
1506 1506  (((
... ... @@ -1508,7 +1508,7 @@
1508 1508  )))
1509 1509  
1510 1510  (((
1511 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1515 +If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] 24mA , Therefore, the LT-22222-L will detect this high-active signal.
1512 1512  )))
1513 1513  
1514 1514  (((
... ... @@ -1516,22 +1516,22 @@
1516 1516  )))
1517 1517  
1518 1518  (((
1519 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1523 +(% style="color:blue" %)**Example3**(%%): Connecting to a 220V high-active sensor.
1520 1520  )))
1521 1521  
1522 1522  (((
1523 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1527 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1524 1524  )))
1525 1525  
1526 1526  * (((
1527 -Connect sensor's output to DI1+ with a serial 50K resistor
1531 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1528 1528  )))
1529 1529  * (((
1530 -Connect sensor's GND DI1-.
1534 +Connect the sensor's GND DI1-.
1531 1531  )))
1532 1532  
1533 1533  (((
1534 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1538 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1535 1535  )))
1536 1536  
1537 1537  (((
... ... @@ -1539,24 +1539,37 @@
1539 1539  )))
1540 1540  
1541 1541  (((
1542 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1546 +If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
1543 1543  )))
1544 1544  
1545 1545  
1546 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1550 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1547 1547  
1552 +From DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
1548 1548  
1549 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1554 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1550 1550  
1551 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1556 +[[image:image-20230616235145-1.png]]
1552 1552  
1558 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1559 +
1560 +[[image:image-20240219115718-1.png]]
1561 +
1562 +
1563 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1564 +
1565 +
1566 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1567 +
1568 +(% style="color:red" %)**Note: The DO pins will float when device is powered off.**
1569 +
1553 1553  [[image:1653357531600-905.png]]
1554 1554  
1555 1555  
1556 -=== 3.6.4 Analog Input Interface ===
1573 +=== 3.6.4 Analog Input Interfaces ===
1557 1557  
1558 1558  
1559 -The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1576 +The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1560 1560  
1561 1561  
1562 1562  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1563,20 +1563,19 @@
1563 1563  
1564 1564  [[image:1653357592296-182.png]]
1565 1565  
1566 -Example to connect a 4~~20mA sensor
1583 +Example: Connecting a 4~~20mA sensor
1567 1567  
1568 -We take the wind speed sensor as an example for reference only.
1585 +We will use the wind speed sensor as an example for reference only.
1569 1569  
1570 1570  
1571 1571  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1572 1572  
1573 -(% style="color:red" %)**Red:  12~~24v**
1590 +(% style="color:red" %)**Red:  12~~24V**
1574 1574  
1575 1575  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1576 1576  
1577 1577  **Black:  GND**
1578 1578  
1579 -
1580 1580  **Connection diagram:**
1581 1581  
1582 1582  [[image:1653357640609-758.png]]
... ... @@ -1584,13 +1584,29 @@
1584 1584  [[image:1653357648330-671.png||height="155" width="733"]]
1585 1585  
1586 1586  
1603 +Example: Connecting to a regulated power supply to measure voltage
1604 +
1605 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1606 +
1607 +[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1608 +
1609 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1610 +
1611 +
1612 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1613 +
1614 +(% style="color:red" %)**Red:  12~~24v**
1615 +
1616 +**Black:  GND**
1617 +
1618 +
1587 1587  === 3.6.5 Relay Output ===
1588 1588  
1589 1589  
1590 1590  (((
1591 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1623 +The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1592 1592  
1593 -**Note**: RO pins go to Open(NO) when device is power off.
1625 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1594 1594  )))
1595 1595  
1596 1596  [[image:image-20220524100215-9.png]]
... ... @@ -1602,20 +1602,41 @@
1602 1602  == 3.7 LEDs Indicators ==
1603 1603  
1604 1604  
1605 -[[image:image-20220524100748-11.png]]
1637 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1638 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1639 +|**PWR**|Always on if there is power
1640 +|**TX**|(((
1641 +(((
1642 +Device boot: TX blinks 5 times.
1643 +)))
1606 1606  
1645 +(((
1646 +Successful join network: TX ON for 5 seconds.
1647 +)))
1607 1607  
1608 -= 4. Use AT Command =
1649 +(((
1650 +Transmit a LoRa packet: TX blinks once
1651 +)))
1652 +)))
1653 +|**RX**|RX blinks once when receive a packet.
1654 +|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1655 +|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1656 +|**DI1**|(((
1657 +For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1658 +)))
1659 +|**DI2**|(((
1660 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1661 +)))
1662 +|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1663 +|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1609 1609  
1610 -== 4.1 Access AT Command ==
1665 += 4. Using AT Command =
1611 1611  
1667 +== 4.1 Connecting the LT-22222-L to a computer ==
1612 1612  
1613 -(((
1614 -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.
1615 -)))
1616 1616  
1617 1617  (((
1618 -
1671 +The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1619 1619  )))
1620 1620  
1621 1621  [[image:1653358238933-385.png]]
... ... @@ -1622,7 +1622,7 @@
1622 1622  
1623 1623  
1624 1624  (((
1625 -In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1678 +On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) to a baud rate of (% style="color:green" %)**9600**(%%) to access to access serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1626 1626  )))
1627 1627  
1628 1628  [[image:1653358355238-883.png]]
... ... @@ -1629,10 +1629,12 @@
1629 1629  
1630 1630  
1631 1631  (((
1632 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1685 +You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1633 1633  )))
1634 1634  
1635 1635  (((
1689 +The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
1690 +
1636 1636  AT+<CMD>?        : Help on <CMD>
1637 1637  )))
1638 1638  
... ... @@ -1936,8 +1936,6 @@
1936 1936  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1937 1937  
1938 1938  **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.**
1939 -
1940 -
1941 1941  )))
1942 1942  
1943 1943  (((
... ... @@ -1944,9 +1944,6 @@
1944 1944  [[image:1653359097980-169.png||height="188" width="729"]]
1945 1945  )))
1946 1946  
1947 -(((
1948 -
1949 -)))
1950 1950  
1951 1951  === 4.2.3 Change to Class A ===
1952 1952  
... ... @@ -1954,8 +1954,9 @@
1954 1954  (((
1955 1955  (% style="color:blue" %)**If sensor JOINED:**
1956 1956  
1957 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1958 -ATZ**
2007 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2008 +
2009 +(% style="background-color:#dcdcdc" %)**ATZ**
1959 1959  )))
1960 1960  
1961 1961  
... ... @@ -1985,7 +1985,7 @@
1985 1985  
1986 1986  (((
1987 1987  (% 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]].
1988 -(% 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]].
2039 +(% 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]].
1989 1989  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1990 1990  
1991 1991  
... ... @@ -2008,7 +2008,6 @@
2008 2008  
2009 2009  (% 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:
2010 2010  
2011 -
2012 2012  [[image:1653360054704-518.png||height="186" width="745"]]
2013 2013  
2014 2014  
... ... @@ -2072,13 +2072,21 @@
2072 2072  
2073 2073  (((
2074 2074  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2125 +
2075 2075  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2127 +
2076 2076  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2129 +
2077 2077  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2131 +
2078 2078  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2133 +
2079 2079  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2135 +
2080 2080  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2137 +
2081 2081  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2139 +
2082 2082  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2083 2083  )))
2084 2084  
... ... @@ -2090,14 +2090,20 @@
2090 2090  [[image:1653360498588-932.png||height="485" width="726"]]
2091 2091  
2092 2092  
2093 -== 6.4 Can I see counting event in Serial? ==
2151 +== 6.4 How to change the uplink interval? ==
2094 2094  
2095 2095  
2154 +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/]]
2155 +
2156 +
2157 +== 6.5 Can I see counting event in Serial? ==
2158 +
2159 +
2096 2096  (((
2097 2097  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2098 2098  
2099 2099  
2100 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2164 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2101 2101  
2102 2102  
2103 2103  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2106,7 +2106,7 @@
2106 2106  )))
2107 2107  
2108 2108  (((
2109 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2173 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2110 2110  
2111 2111  
2112 2112  If the device is not shut down, but directly powered off.
... ... @@ -2118,7 +2118,7 @@
2118 2118  After restart, the status before power failure will be read from flash.
2119 2119  
2120 2120  
2121 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2185 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2122 2122  
2123 2123  
2124 2124  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2127,12 +2127,18 @@
2127 2127  [[image:image-20221006170630-1.png||height="610" width="945"]]
2128 2128  
2129 2129  
2130 -== 6.8 Can LT22222-L save RO state? ==
2194 +== 6.9 Can LT22222-L save RO state? ==
2131 2131  
2132 2132  
2133 2133  Firmware version needs to be no less than 1.6.0.
2134 2134  
2135 2135  
2200 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2201 +
2202 +
2203 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2204 +
2205 +
2136 2136  = 7. Trouble Shooting =
2137 2137  )))
2138 2138  
... ... @@ -2173,6 +2173,13 @@
2173 2173  )))
2174 2174  
2175 2175  
2246 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2247 +
2248 +
2249 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2250 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2251 +
2252 +
2176 2176  = 8. Order Info =
2177 2177  
2178 2178  
... ... @@ -2190,8 +2190,6 @@
2190 2190  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2191 2191  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2192 2192  
2193 -
2194 -
2195 2195  = 9. Packing Info =
2196 2196  
2197 2197  
... ... @@ -2209,8 +2209,6 @@
2209 2209  * Package Size / pcs : 14.5 x 8 x 5 cm
2210 2210  * Weight / pcs : 170g
2211 2211  
2212 -
2213 -
2214 2214  = 10. Support =
2215 2215  
2216 2216  
... ... @@ -2218,7 +2218,7 @@
2218 2218  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2219 2219  )))
2220 2220  * (((
2221 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2294 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2222 2222  
2223 2223  
2224 2224  
... ... @@ -2230,5 +2230,3 @@
2230 2230  * 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]]
2231 2231  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2232 2232  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2233 -
2234 -
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tts-mqtt-integration.png
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