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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... ... @@ -92,8 +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 - 97 97 == 1.3 Features == 98 98 99 99 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -105,8 +105,6 @@ 105 105 * Support Modbus protocol 106 106 * Support Interrupt uplink (Since hardware version v1.2) 107 107 108 - 109 - 110 110 == 1.4 Applications == 111 111 112 112 * Smart Buildings & Home Automation ... ... @@ -116,8 +116,6 @@ 116 116 * Smart Cities 117 117 * Smart Factory 118 118 119 - 120 - 121 121 == 1.5 Firmware Change log == 122 122 123 123 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -316,7 +316,6 @@ 316 316 ))) 317 317 318 318 319 - 320 320 === 3.3.2 Configure sensors === 321 321 322 322 ((( ... ... @@ -328,21 +328,14 @@ 328 328 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 329 329 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 330 330 |AT+CFGDEV|(% style="width:110px" %)((( 331 -((( 332 332 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 333 -))) 334 334 335 -((( 336 336 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 337 -))) 338 338 339 -((( 340 340 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 341 -))) 342 342 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 343 343 344 344 345 - 346 346 === 3.3.3 Configure read commands for each sampling === 347 347 348 348 ((( ... ... @@ -1215,6 +1215,7 @@ 1215 1215 |**PWR**|Always on if there is power 1216 1216 |**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. 1217 1217 1204 + 1218 1218 = 4. Case Study = 1219 1219 1220 1220 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]] ... ... @@ -1266,9 +1266,7 @@ 1266 1266 ))) 1267 1267 1268 1268 1269 -((( 1270 1270 If device already joined network: 1271 -))) 1272 1272 1273 1273 (% class="box infomessage" %) 1274 1274 ((( ... ... @@ -1307,12 +1307,10 @@ 1307 1307 1308 1308 (% style="color:red" %)**Note:** 1309 1309 1310 -((( 1311 1311 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1312 1312 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1313 1313 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. 1314 1314 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 1315 -))) 1316 1316 1317 1317 [[image:1654162478620-421.png]] 1318 1318 ... ... @@ -1341,25 +1341,17 @@ 1341 1341 1342 1342 [[image:1654162535040-878.png]] 1343 1343 1344 -((( 1345 1345 **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]]. 1346 -))) 1347 1347 1348 -((( 1349 1349 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1350 -))) 1351 1351 1352 -((( 1353 1353 **Step3: **Open flashloader; choose the correct COM port to update. 1354 -))) 1355 1355 1356 1356 ((( 1357 1357 ((( 1358 -((( 1359 1359 (% 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. 1360 1360 ))) 1361 1361 ))) 1362 -))) 1363 1363 1364 1364 1365 1365 [[image:image-20220602175818-12.png]]