Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -92,7 +92,6 @@ 92 92 * Automatic RF Sense and CAD with ultra-fast AFC. 93 93 * Packet engine up to 256 bytes with CRC 94 94 95 - 96 96 == 1.3 Features == 97 97 98 98 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -104,7 +104,6 @@ 104 104 * Support Modbus protocol 105 105 * Support Interrupt uplink (Since hardware version v1.2) 106 106 107 - 108 108 == 1.4 Applications == 109 109 110 110 * Smart Buildings & Home Automation ... ... @@ -114,7 +114,6 @@ 114 114 * Smart Cities 115 115 * Smart Factory 116 116 117 - 118 118 == 1.5 Firmware Change log == 119 119 120 120 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -313,7 +313,6 @@ 313 313 ))) 314 314 315 315 316 - 317 317 === 3.3.2 Configure sensors === 318 318 319 319 ((( ... ... @@ -333,7 +333,6 @@ 333 333 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 334 334 335 335 336 - 337 337 === 3.3.3 Configure read commands for each sampling === 338 338 339 339 ((( ... ... @@ -1182,8 +1182,10 @@ 1182 1182 ))) 1183 1183 1184 1184 ((( 1180 +((( 1185 1185 (% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1186 1186 ))) 1183 +))) 1187 1187 1188 1188 1189 1189 == 3.7 Buttons == ... ... @@ -1195,6 +1195,7 @@ 1195 1195 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1196 1196 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1197 1197 1195 + 1198 1198 == 3.8 LEDs == 1199 1199 1200 1200 ... ... @@ -1203,6 +1203,7 @@ 1203 1203 |**PWR**|Always on if there is power 1204 1204 |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1205 1205 1204 + 1206 1206 = 4. Case Study = 1207 1207 1208 1208 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] ... ... @@ -1293,10 +1293,12 @@ 1293 1293 1294 1294 (% style="color:red" %)**Note:** 1295 1295 1295 +((( 1296 1296 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1297 1297 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1298 1298 3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1299 1299 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 1300 +))) 1300 1300 1301 1301 [[image:1654162478620-421.png]] 1302 1302 ... ... @@ -1325,17 +1325,25 @@ 1325 1325 1326 1326 [[image:1654162535040-878.png]] 1327 1327 1329 +((( 1328 1328 **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]]. 1331 +))) 1329 1329 1333 +((( 1330 1330 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1335 +))) 1331 1331 1337 +((( 1332 1332 **Step3: **Open flashloader; choose the correct COM port to update. 1339 +))) 1333 1333 1334 1334 ((( 1335 1335 ((( 1343 +((( 1336 1336 (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program. 1337 1337 ))) 1338 1338 ))) 1347 +))) 1339 1339 1340 1340 1341 1341 [[image:image-20220602175818-12.png]]