Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -92,6 +92,8 @@ 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 + 95 95 == 1.3 Features == 96 96 97 97 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -103,6 +103,8 @@ 103 103 * Support Modbus protocol 104 104 * Support Interrupt uplink (Since hardware version v1.2) 105 105 108 + 109 + 106 106 == 1.4 Applications == 107 107 108 108 * Smart Buildings & Home Automation ... ... @@ -112,6 +112,8 @@ 112 112 * Smart Cities 113 113 * Smart Factory 114 114 119 + 120 + 115 115 == 1.5 Firmware Change log == 116 116 117 117 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -310,6 +310,7 @@ 310 310 ))) 311 311 312 312 319 + 313 313 === 3.3.2 Configure sensors === 314 314 315 315 ((( ... ... @@ -321,11 +321,17 @@ 321 321 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 322 322 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 323 323 |AT+CFGDEV|(% style="width:110px" %)((( 331 +((( 324 324 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 333 +))) 325 325 335 +((( 326 326 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 337 +))) 327 327 339 +((( 328 328 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 341 +))) 329 329 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 330 330 331 331 ... ... @@ -1192,7 +1192,6 @@ 1192 1192 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1193 1193 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1194 1194 1195 - 1196 1196 == 3.8 LEDs == 1197 1197 1198 1198 ... ... @@ -1201,7 +1201,6 @@ 1201 1201 |**PWR**|Always on if there is power 1202 1202 |**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. 1203 1203 1204 - 1205 1205 = 4. Case Study = 1206 1206 1207 1207 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]] ... ... @@ -1253,7 +1253,9 @@ 1253 1253 ))) 1254 1254 1255 1255 1267 +((( 1256 1256 If device already joined network: 1269 +))) 1257 1257 1258 1258 (% class="box infomessage" %) 1259 1259 ((( ... ... @@ -1292,10 +1292,12 @@ 1292 1292 1293 1293 (% style="color:red" %)**Note:** 1294 1294 1308 +((( 1295 1295 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1296 1296 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1297 1297 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. 1298 1298 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 1313 +))) 1299 1299 1300 1300 [[image:1654162478620-421.png]] 1301 1301 ... ... @@ -1324,17 +1324,25 @@ 1324 1324 1325 1325 [[image:1654162535040-878.png]] 1326 1326 1342 +((( 1327 1327 **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]]. 1344 +))) 1328 1328 1346 +((( 1329 1329 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1348 +))) 1330 1330 1350 +((( 1331 1331 **Step3: **Open flashloader; choose the correct COM port to update. 1352 +))) 1332 1332 1333 1333 ((( 1334 1334 ((( 1356 +((( 1335 1335 (% 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. 1336 1336 ))) 1337 1337 ))) 1360 +))) 1338 1338 1339 1339 1340 1340 [[image:image-20220602175818-12.png]]