Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -33,6 +33,8 @@ 33 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. 34 34 ))) 35 35 36 +> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks. 37 + 36 36 ((( 37 37 You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways: 38 38 ... ... @@ -57,7 +57,7 @@ 57 57 * SX1276/78 Wireless Chip 58 58 * Power Consumption: 59 59 ** Idle: 4mA@12v 60 -** 20dB Transmit: 34mA@12 V62 +** 20dB Transmit: 34mA@12v 61 61 * Operating Temperature: -40 ~~ 85 Degrees, No Dew 62 62 63 63 (% style="color:#037691" %)**Interface for Model: LT22222-L:** ... ... @@ -66,7 +66,7 @@ 66 66 * 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA) 67 67 * 2 x Relay Output (5A@250VAC / 30VDC) 68 68 * 2 x 0~~20mA Analog Input (res:0.01mA) 69 -* 2 x 0~~30V Analog Input (res:0.01 V)71 +* 2 x 0~~30V Analog Input (res:0.01v) 70 70 * Power Input 7~~ 24V DC. 71 71 72 72 (% style="color:#037691" %)**LoRa Spec:** ... ... @@ -134,10 +134,10 @@ 134 134 135 135 * 1 x LT-22222-L I/O Controller 136 136 * 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L 137 -* 1 x bracket for DIN rail mounting139 +* 1 x bracket for wall mounting 138 138 * 1 x programming cable 139 139 140 -Attach the LoRaWAN antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise.142 +Attach the LoRaWAN antenna to the antenna connector, ANT,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise. 141 141 142 142 == 2.2 Terminals == 143 143 ... ... @@ -169,7 +169,7 @@ 169 169 170 170 == 2.3 Powering the LT-22222-L == 171 171 172 -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 and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.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 and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered. 173 173 174 174 175 175 [[image:1653297104069-180.png]] ... ... @@ -181,13 +181,13 @@ 181 181 182 182 By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), 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. 183 183 184 -After powering on, the **TX LED**will**fast-blink 5 times**which means the LT-22222-L will enter the**work mode**and start to**join**the LoRaWAN network. The**TX LED**will be on for**5 seconds**after joining the network. When there is a**downlink**message from the server, the**RX LE**D will be on for**1 second**.When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.186 +For LT-22222-L, the LED will show the Join status: After powering on, the TX LED will fast-blink 5 times which means the LT-22222-L will enter the working mode and start to JOIN the LoRaWAN network. The TX LED will be on for 5 seconds after joining the network. When there is a message from the server, the RX LED will be on for 1 second. 185 185 186 186 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. 187 187 188 188 == 3.2 Registering with a LoRaWAN network server == 189 189 190 -The networkdiagram below shows how the LT-22222-Lisconnectedto a typical LoRaWAN network.192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network. 191 191 192 192 [[image:image-20220523172350-1.png||height="266" width="864"]] 193 193 ... ... @@ -205,10 +205,8 @@ 205 205 * Create an application if you do not have one yet. 206 206 * Register LT-22222-L with that application. Two registration options are available: 207 207 208 -==== ==== 210 +==== Using the LoRaWAN Device Repository: ==== 209 209 210 -==== 3.2.2.1 Using the LoRaWAN Device Repository ==== 211 - 212 212 * Go to your application and click on the **Register end device** button. 213 213 * On the **Register end device** page: 214 214 ** Select the option **Select the end device in the LoRaWAN Device Repository**. ... ... @@ -217,8 +217,7 @@ 217 217 218 218 [[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]] 219 219 220 - 221 -* Page continued... 220 +* 222 222 ** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. 223 223 ** Enter the **DevEUI** in the **DevEUI** field. 224 224 ** Enter the **AppKey** in the **AppKey** field. ... ... @@ -227,10 +227,8 @@ 227 227 228 228 [[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]] 229 229 230 -==== ==== 229 +==== Entering device information manually: ==== 231 231 232 -==== 3.2.2.2 Entering device information manually ==== 233 - 234 234 * On the **Register end device** page: 235 235 ** Select the **Enter end device specifies manually** option as the input method. 236 236 ** Select the **Frequency plan** that matches your device. ... ... @@ -243,49 +243,26 @@ 243 243 [[image:lt-22222-l-manually-p1.png||height="625" width="1000"]] 244 244 245 245 246 -* Page continued... 247 -** Enter **AppEUI** in the **JoinEUI** field and click the **Confirm** button. 248 -** Enter **DevEUI** in the **DevEUI** field. 249 -** Enter **AppKey** in the **AppKey** field. 250 -** In the **End device ID** field, enter a unique name within this application for your LT-22222-N. 251 -** Under **After registration**, select the **View registered end device** option. 252 -** Click the **Register end device** button. 243 +* Enter **AppEUI** in the **JoinEUI** field and click the **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. 253 253 254 254 [[image:lt-22222-l-manually-p2.png||height="625" width="1000"]] 255 255 256 256 257 - Youwill benavigatedto the **Device overview** page.252 +==== Joining ==== 258 258 254 +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. 259 259 260 -[[image: lt-22222-device-overview.png||height="625" width="1000"]]256 +[[image:1653298044601-602.png||height="405" width="709"]] 261 261 262 262 263 -==== 3.2.2.3 Joining ==== 264 - 265 -Click on **Live data** in the left navigation. The Live data panel for your application will display. 266 - 267 -Power on your LT-22222-L. It will begin joining The Things Stack LoRaWAN network server. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**). 268 - 269 - 270 -[[image:lt-22222-join-network.png||height="625" width="1000"]] 271 - 272 - 273 -By default, you will receive an uplink data message every 10 minutes. 274 - 275 -Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object. 276 - 277 -[[image:lt-22222-ul-payload-decoded.png]] 278 - 279 - 280 -If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **End devices** > **LT-22222-L** > **Payload formatters** > **Uplink**. Then select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes. 281 - 282 -[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]] 283 - 284 - 285 285 == 3.3 Work Modes and their Uplink Payload formats == 286 286 287 287 288 -The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands. 262 +The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands. 289 289 290 290 * (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO 291 291 ... ... @@ -299,15 +299,11 @@ 299 299 300 300 * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 301 301 302 -The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes. 303 - 304 304 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 305 305 306 306 ((( 307 -This is t he default mode.279 +The uplink payload is 11 bytes long. Uplink messages are sent over LoRaWAN FPort 2. By default, one uplink is sent every 10 minutes. (% style="display:none" wfd-invisible="true" %) 308 308 309 -The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %) 310 - 311 311 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 312 312 |(% 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** 313 313 |Value|((( ... ... @@ -354,13 +354,13 @@ 354 354 355 355 * [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON. 356 356 * [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF. 357 -* **[1] DI3 - not used for LT-22222-L.**327 +* [1] DI3 - not used for LT-22222-L. 358 358 * [0] DI2 channel input is LOW, and the DI2 LED is OFF. 359 359 * [1] DI1 channel input state: 360 360 ** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-. 361 361 ** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE. 362 362 ** DI1 LED is ON in both cases. 363 -* **[0] DO3 - not used for LT-22222-L.**333 +* [0] DO3 - not used for LT-22222-L. 364 364 * [1] DO2 channel output is LOW, and the DO2 LED is ON. 365 365 * [0] DO1 channel output state: 366 366 ** DO1 is FLOATING when there is no load between DO1 and V+. ... ... @@ -385,7 +385,7 @@ 385 385 ))) 386 386 387 387 ((( 388 -(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, FIRST, Reserve, Reserve,DO3, DO2 and DO1, and its size is 1 byte long as shown below.358 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DO3, DO2 and DO1, and its size is 1 byte long as shown below. 389 389 390 390 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 391 391 |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0** ... ... @@ -1383,25 +1383,19 @@ 1383 1383 1384 1384 == 3.5 Integrating with ThingsEye.io == 1385 1385 1386 -The Things Stack applications canbeintegratedwithThingsEye.io. 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.1356 +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. 1387 1387 1388 1388 === 3.5.1 Configuring MQTT Connection Information with The Things Stack Sandbox === 1389 1389 1390 -We use The Things Stack Sandbox for demonstating the configuration but other 1391 - 1392 1392 * In **The Things Stack Sandbox**, select your application under **Applications**. 1393 1393 * Select **MQTT** under **Integrations**. 1394 1394 * In the **Connection information **section, for **Username**, The Things Stack displays an auto-generated username. You can use it or provide a new one. 1395 -* For the **Password**, click the **Generate new API key** button to generate a password. You can see it by clicking on the **eye** button. The API key works as the password.1363 +* For the **Password**, click the **Generate new API key** button to generate a password. You can see it by clicking on the **eye** button. 1396 1396 1397 -NOTE. The username and password (API key) you created here are required in the next section. 1398 - 1399 1399 [[image:tts-mqtt-integration.png||height="625" width="1000"]] 1400 1400 1401 1401 === 3.5.2 Configuring ThingsEye.io === 1402 1402 1403 -This section guides you on how to create an integration in ThingsEye to connect with The Things Stack MQTT server. 1404 - 1405 1405 * Login to your [[ThingsEye.io >>https://thingseye.io]]account. 1406 1406 * Under the **Integrations center**, click **Integrations**. 1407 1407 * Click the **Add integration** button (the button with the **+** symbol). ... ... @@ -1411,7 +1411,7 @@ 1411 1411 1412 1412 On the **Add integration** window, configure the following: 1413 1413 1414 -**Basic settings:** 1378 +~1. **Basic settings:** 1415 1415 1416 1416 * Select **The Things Stack Community** from the **Integration type** list. 1417 1417 * Enter a suitable name for your integration in the **Name **text** **box or keep the default name. ... ... @@ -1424,69 +1424,62 @@ 1424 1424 [[image:thingseye-io-step-2.png||height="625" width="1000"]] 1425 1425 1426 1426 1427 -**Uplink data converter:** 1391 +2. **Uplink data converter:** 1428 1428 1429 1429 * Click the **Create new** button if it is not selected by default. 1430 1430 * Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name. 1431 1431 * Click the **JavaScript** button. 1432 -* Paste the uplink decoder function into the text area (first, delete the default code). The demo uplinkdecoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].1396 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]]. 1433 1433 * Click the **Next** button. You will be navigated to the **Downlink data converter **tab. 1434 1434 1435 1435 [[image:thingseye-io-step-3.png||height="625" width="1000"]] 1436 1436 1401 +3.** Downlink data converter (this is an optional step):** 1437 1437 1438 -**Downlink data converter (this is an optional step):** 1439 - 1440 1440 * Click the **Create new** button if it is not selected by default. 1441 1441 * Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name 1442 1442 * Click the **JavaScript** button. 1443 -* Paste the downlink decoder function into the text area (first, delete the default code). The demo d ownlink decoder function can be found here.1406 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here. 1444 1444 * Click the **Next** button. You will be navigated to the **Connection** tab. 1445 1445 1446 1446 [[image:thingseye-io-step-4.png||height="625" width="1000"]] 1447 1447 1411 +4. **Connection:** 1448 1448 1449 -**Connection:** 1450 - 1451 1451 * Choose **Region** from the **Host type**. 1452 1452 * Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...). 1453 1453 * Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The username and password can be found on the MQTT integration page of your The Things Stack account (see Configuring MQTT Connection information with The Things Stack Sandbox). 1454 -* Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**. 1455 - 1456 -[[image:message-1.png]] 1457 - 1458 - 1416 +* Click the **Check connection** button to test the connection. If the connection is successful, you can see the message saying **Connected**. 1459 1459 * Click the **Add** button. 1460 1460 1461 1461 [[image:thingseye-io-step-5.png||height="625" width="1000"]] 1462 1462 1463 1463 1464 -Your integration hasbeenadded to the**bedisplayedon the **Integrations** page. Check whether the status is shown as**Active**.If not,reviewyour configuration settings.1422 +Your integration is added to the** Integrations** list and it will display on the **Integrations** page. Check whether the status is showing as 'Active'. if not, check your configuration settings again. 1465 1465 1424 +[[image:thingseye-io-step-6.png||height="625" width="1000"]] 1466 1466 1467 -[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]] 1468 1468 1427 +Viewing integration details: 1469 1469 1470 - **Viewing integration details**:1429 +Click on the your integration from the list. The Integration details window will appear with the Details tab selected. The Details tab shows all the settings you have provided for this integration. 1471 1471 1472 - Click on your integration from the list. The Integrationdetails windowwillappear with the Details tab selected. The Details tab shows all the settings you haveprovided for this integration.1431 +[add image here] 1473 1473 1474 - [[image:integration-details.png||height="686"width="1000"]]1433 +If you want to edit the settings you have provided, click on the Toggle edit mode button. 1475 1475 1435 +[add image here] 1476 1476 1477 - If you want to edit the settings you have provided, click on the **Toggle edit mode** button.Once you have done click on the**Apply changes**button.1437 +Once you have done click on the Apply changes button. 1478 1478 1479 1479 Note: See also ThingsEye documentation. 1480 1480 1441 +Click on the Events tab. 1481 1481 1482 - **Viewing events:**1443 +- Select Debug from the Event type dropdown. 1483 1483 1484 - Thistabdisplays alltheuplinkmessagesfrom theLT-22222-L.1445 +- Select the time frame from the time window. 1485 1485 1486 -* Click on the **Events **tab. 1487 -* Select **Debug **from the **Event type** dropdown. 1488 -* Select the** time frame** from the **time window**. 1489 - 1490 1490 [insert image] 1491 1491 1492 1492 - To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message. ... ... @@ -1494,9 +1494,9 @@ 1494 1494 [insert image] 1495 1495 1496 1496 1497 - **Deleting the integration**:1454 +Deleting the integration: 1498 1498 1499 -If you want to delete this integration, click the **Delete integratio**n button.1456 +If you want to delete this integration, click the Delete integration button. 1500 1500 1501 1501 1502 1502 == 3.6 Interface Details == ... ... @@ -1754,7 +1754,7 @@ 1754 1754 1755 1755 1756 1756 ((( 1757 -On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]]or[[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the 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:1714 +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: 1758 1758 ))) 1759 1759 1760 1760 [[image:1653358355238-883.png]] ... ... @@ -2099,41 +2099,29 @@ 2099 2099 2100 2100 = 6. FAQ = 2101 2101 2102 -== 6.1 How to up date thefirmware? ==2059 +== 6.1 How to upgrade the image? == 2103 2103 2104 2104 2105 - Dragino frequentlyreleasesfirmware updatesforthe LT-22222-L.2062 +The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to: 2106 2106 2107 -Updating your LT-22222-L with the latest firmware version helps to: 2064 +* Support new features. 2065 +* Fix bugs. 2066 +* Change LoRaWAN bands. 2108 2108 2109 -* Support new features 2110 -* Fix bugs 2111 -* Change LoRaWAN frequency bands 2068 +Below is the hardware connection setup for uploading an image to the LT: 2112 2112 2113 -You will need the following things before proceeding: 2114 - 2115 -* 3.5mm programming cable (included with the LT-22222-L as an additional accessory) 2116 -* USB to TTL adapter 2117 -* Download and install the [[STM32 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]]. (replaced by STM32CubeProgrammer) 2118 -* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region. 2119 - 2120 -{{info}} 2121 -As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1. 2122 -{{/info}} 2123 - 2124 -Below is the hardware setup for uploading a firmware image to the LT-22222-L: 2125 - 2126 - 2127 2127 [[image:1653359603330-121.png]] 2128 2128 2129 2129 2130 -Start the STM32 Flash Loader and choose the correct COM port to update. 2073 +((( 2074 +(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash 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]]. 2075 +(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. 2076 +(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update. 2077 + 2131 2131 2132 2132 ((( 2133 -((( 2134 2134 (% style="color:blue" %)**For LT-22222-L**(%%): 2135 - 2136 -Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode. 2081 +Hold down the PRO button, then momentarily press the RST reset button. The (% style="color:red" %)**DO1 LED**(%%) will change from OFF to ON. When the (% style="color:red" %)**DO1 LED**(%%) is ON, it indicates that the device is in download mode. 2137 2137 ))) 2138 2138 2139 2139 ... ... @@ -2155,7 +2155,7 @@ 2155 2155 2156 2156 ((( 2157 2157 ((( 2158 -== 6.2 How to change the LoRa WANfrequencyband/region? ==2103 +== 6.2 How to change the LoRa Frequency Bands/Region? == 2159 2159 2160 2160 2161 2161 ))) ... ... @@ -2168,7 +2168,7 @@ 2168 2168 ((( 2169 2169 2170 2170 2171 -== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? == 2116 +== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? == 2172 2172 2173 2173 2174 2174 ))) ... ... @@ -2245,56 +2245,61 @@ 2245 2245 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/]] 2246 2246 2247 2247 2248 -== 6.5 Can I see the counting event in theserialoutput? ==2193 +== 6.5 Can I see the counting event in Serial? == 2249 2249 2250 2250 2251 2251 ((( 2252 - Youcan runtheAT commandAT+DEBUGtoviewthe counting event intheserialoutput. Ifthefirmwareistoo old and doesn’t support,update tothelatest firmware first.2197 +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. 2253 2253 2254 2254 2255 2255 == 6.6 Can I use point-to-point communication with LT-22222-L? == 2256 2256 2257 2257 2258 -Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]]. 2203 +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]]. 2204 + 2205 + 2259 2259 ))) 2260 2260 2261 2261 ((( 2262 -== 6.7 Why does the relay output default toan open relay after theLT-22222-Lis powered off? ==2209 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? == 2263 2263 2264 2264 2265 -* If the device is not properly shut down and is directly powered off. 2266 -* It will default to a power-off state. 2267 -* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory. 2268 -* After a restart, the status before the power failure will be read from flash. 2212 +If the device is not shut down, but directly powered off. 2269 2269 2214 +It will default that this is a power-off state. 2270 2270 2271 - == 6.8 CanI setupLT-22222-Las aNC(NormallyClosed)relay?==2216 +In modes 2 to 5, DO RO status and pulse count are saved in flash. 2272 2272 2218 +After restart, the status before power failure will be read from flash. 2273 2273 2274 -The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below: 2275 2275 2221 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? == 2276 2276 2223 + 2224 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below: 2225 + 2226 + 2277 2277 [[image:image-20221006170630-1.png||height="610" width="945"]] 2278 2278 2279 2279 2280 -== 6.9 Can theLT-22222-L savetheRO state? ==2230 +== 6.9 Can LT22222-L save RO state? == 2281 2281 2282 2282 2283 - The firmware versionmust beatleast 1.6.0.2233 +Firmware version needs to be no less than 1.6.0. 2284 2284 2285 2285 2286 -== 6.10 Why does the LT -22222-Lalways report 15.585V when measuringtheAVI? ==2236 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? == 2287 2287 2288 2288 2289 -It is likely that the GND is not connected during the measurement, or th at the wire connected to the GND is loose.2239 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose. 2290 2290 2291 2291 2292 -= 7. Trouble shooting =2242 += 7. Trouble Shooting = 2293 2293 ))) 2294 2294 2295 2295 ((( 2296 2296 ((( 2297 -== 7.1 Downlink isn't working.HowcanIsolvethis? ==2247 +== 7.1 Downlink doesn't work, how to solve it? == 2298 2298 2299 2299 2300 2300 ))) ... ... @@ -2301,42 +2301,42 @@ 2301 2301 ))) 2302 2302 2303 2303 ((( 2304 -Please referto this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]2254 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 2305 2305 ))) 2306 2306 2307 2307 ((( 2308 2308 2309 2309 2310 -== 7.2 Hav ingtrouble uploadinganimage?==2260 +== 7.2 Have trouble to upload image. == 2311 2311 2312 2312 2313 2313 ))) 2314 2314 2315 2315 ((( 2316 - Pleasereferto this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]2266 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 2317 2317 ))) 2318 2318 2319 2319 ((( 2320 2320 2321 2321 2322 -== 7.3 Why can't Ijoin TTN intheUS915 /AU915 bands? ==2272 +== 7.3 Why I can't join TTN in US915 /AU915 bands? == 2323 2323 2324 2324 2325 2325 ))) 2326 2326 2327 2327 ((( 2328 -It might be relatedto the channel mapping. [[Pleasereferto this link for details.>>https://github.com/dragino/LT-22222-L/releases||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]2278 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 2329 2329 ))) 2330 2330 2331 2331 2332 -== 7.4 Why can theLT-22222-Lperform Uplink normally, but cannot receive Downlink? ==2282 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? == 2333 2333 2334 2334 2335 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue. 2336 -Use this command to synchronizetheir counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]2285 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state. 2286 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]] 2337 2337 2338 2338 2339 -= 8. Order inginformation=2289 += 8. Order Info = 2340 2340 2341 2341 2342 2342 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** ... ... @@ -2343,44 +2343,43 @@ 2343 2343 2344 2344 (% style="color:#4f81bd" %)**XXX:** 2345 2345 2346 -* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433 2347 -* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868 2348 -* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920 2349 -* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470 2350 -* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923 2351 -* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915 2352 -* (% style="color:red" %)**US915**(%%): LT with frequency bands US915 2353 -* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2354 -* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2296 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433 2297 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868 2298 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920 2299 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470 2300 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923 2301 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915 2302 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915 2303 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2304 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2355 2355 2306 += 9. Packing Info = 2356 2356 2357 -= 9. Packing information = 2358 2358 2309 +**Package Includes**: 2359 2359 2360 -**Package includes**: 2361 - 2362 2362 * LT-22222-L I/O Controller x 1 2363 2363 * Stick Antenna for LoRa RF part x 1 2364 2364 * Bracket for controller x1 2365 -* 3.5mmProgrammingcable x 12314 +* Program cable x 1 2366 2366 2367 2367 **Dimension and weight**: 2368 2368 2369 2369 * Device Size: 13.5 x 7 x 3 cm 2370 -* Device Weight: 105 2319 +* Device Weight: 105g 2371 2371 * Package Size / pcs : 14.5 x 8 x 5 cm 2372 -* Weight / pcs : 170 2321 +* Weight / pcs : 170g 2373 2373 2374 - 2375 2375 = 10. Support = 2376 2376 2377 2377 2378 2378 * ((( 2379 -Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time,we cannot offer live support. However, your questions will be answered as soon as possiblewithin theaforementioned schedule.2327 +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. 2380 2380 ))) 2381 2381 * ((( 2382 -P lease provide as much information as possible regarding yourinquiry (e.g.,product models, adetaileddescriptionoftheproblem,steps to replicate it,etc.) and send anemail to [[support@dragino.cc>>mailto:support@dragino.cc]]2330 +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]] 2383 2383 2332 + 2384 2384 2385 2385 ))) 2386 2386