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) ... ... @@ -106,7 +106,6 @@ 106 106 * Support Interrupt uplink (Since hardware version v1.2) 107 107 108 108 109 - 110 110 == 1.4 Applications == 111 111 112 112 * Smart Buildings & Home Automation ... ... @@ -117,7 +117,6 @@ 117 117 * Smart Factory 118 118 119 119 120 - 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/]] ... ... @@ -239,15 +239,11 @@ 239 239 240 240 ((( 241 241 ((( 242 -((( 243 243 There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 244 244 ))) 245 -))) 246 246 247 247 ((( 248 -((( 249 249 (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 250 -))) 251 251 252 252 253 253 ))) ... ... @@ -328,17 +328,11 @@ 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 ... ... @@ -1120,29 +1120,29 @@ 1120 1120 ))) 1121 1121 1122 1122 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1123 -|=(% style="width: 1 00px;" %)(((1124 -**Command example** 1125 -)))|=(% style="width: 400px;" %)(((1109 +|=(% style="width: 161px;" %)((( 1110 +**Command example:** 1111 +)))|=(% style="width: 337px;" %)((( 1126 1126 **Function** 1127 1127 ))) 1128 -|(% style="width:1 00px" %)(((1114 +|(% style="width:161px" %)((( 1129 1129 AT+RXMODE=1,10 1130 -)))|(% style="width: 400px" %)(((1116 +)))|(% style="width:337px" %)((( 1131 1131 Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 1132 1132 ))) 1133 -|(% style="width:1 00px" %)(((1119 +|(% style="width:161px" %)((( 1134 1134 AT+RXMODE=2,500 1135 -)))|(% style="width: 400px" %)(((1121 +)))|(% style="width:337px" %)((( 1136 1136 Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 1137 1137 ))) 1138 -|(% style="width:1 00px" %)(((1124 +|(% style="width:161px" %)((( 1139 1139 AT+RXMODE=0,0 1140 -)))|(% style="width: 400px" %)(((1126 +)))|(% style="width:337px" %)((( 1141 1141 Disable listening mode. This is the default settings. 1142 1142 ))) 1143 -|(% style="width:1 00px" %)(((1129 +|(% style="width:161px" %)((( 1144 1144 1145 -)))|(% style="width: 400px" %)(((1131 +)))|(% style="width:337px" %)((( 1146 1146 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1147 1147 ))) 1148 1148 ... ... @@ -1191,29 +1191,30 @@ 1191 1191 ))) 1192 1192 1193 1193 ((( 1194 -((( 1195 1195 (% 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. 1196 1196 ))) 1197 -))) 1198 1198 1199 1199 1200 1200 == 3.7 Buttons == 1201 1201 1202 1202 1203 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)1204 -|= (% style="width: 50px;" %)**Button**|=(% style="width:350px;" %)**Feature**1205 -| (% style="width:50px" %)**ACT**|(% style="width:350px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**1206 -| (% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS4851207 -| (% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]1187 +(% border="1" style="background-color:#f7faff; width:500px" %) 1188 +|=**Button**|=(% style="width: 1420px;" %)**Feature** 1189 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink** 1190 +|**RST**|(% style="width:1420px" %)Reboot RS485 1191 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1208 1208 1209 -== 3.8 LEDs == 1210 1210 1211 1211 1212 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1213 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1195 +== 3.8 LEDs == 1196 + 1197 +(% border="1" style="background-color:#f7faff; width:500px" %) 1198 +|=**LEDs**|=**Feature** 1214 1214 |**PWR**|Always on if there is power 1215 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 1200 +|**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. 1216 1216 1202 + 1203 + 1217 1217 = 4. Case Study = 1218 1218 1219 1219 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]] ... ... @@ -1223,26 +1223,19 @@ 1223 1223 1224 1224 == 5.1 Access AT Command == 1225 1225 1226 -((( 1227 1227 RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 1228 -))) 1229 1229 1230 1230 [[image:1654162355560-817.png]] 1231 1231 1232 1232 1233 -((( 1234 1234 In PC, User needs to set (% style="color:blue" %)**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 of RS485-BL. The default password is 123456. Below is the output for reference: 1235 -))) 1236 1236 1237 1237 [[image:1654162368066-342.png]] 1238 1238 1239 1239 1240 -((( 1241 1241 More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1242 -))) 1243 1243 1244 1244 1245 - 1246 1246 == 5.2 Common AT Command Sequence == 1247 1247 1248 1248 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1265,9 +1265,7 @@ 1265 1265 ))) 1266 1266 1267 1267 1268 -((( 1269 1269 If device already joined network: 1270 -))) 1271 1271 1272 1272 (% class="box infomessage" %) 1273 1273 ((( ... ... @@ -1306,12 +1306,10 @@ 1306 1306 1307 1307 (% style="color:red" %)**Note:** 1308 1308 1309 -((( 1310 1310 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1311 1311 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1312 1312 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. 1313 1313 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 1314 -))) 1315 1315 1316 1316 [[image:1654162478620-421.png]] 1317 1317 ... ... @@ -1320,45 +1320,25 @@ 1320 1320 1321 1321 == 6.1 How to upgrade the image? == 1322 1322 1323 -((( 1324 1324 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1325 -))) 1326 1326 1327 -* ((( 1328 -Support new features 1329 -))) 1330 -* ((( 1331 -For bug fix 1332 -))) 1333 -* ((( 1334 -Change LoRaWAN bands. 1335 -))) 1301 +* Support new features 1302 +* For bug fix 1303 +* Change LoRaWAN bands. 1336 1336 1337 -((( 1338 1338 Below shows the hardware connection for how to upload an image to RS485-LN: 1339 -))) 1340 1340 1341 1341 [[image:1654162535040-878.png]] 1342 1342 1343 -((( 1344 1344 **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]]. 1345 -))) 1346 1346 1347 -((( 1348 1348 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1349 -))) 1350 1350 1351 -((( 1352 1352 **Step3: **Open flashloader; choose the correct COM port to update. 1353 -))) 1354 1354 1355 1355 ((( 1356 -((( 1357 -((( 1358 1358 (% 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. 1359 1359 ))) 1360 -))) 1361 -))) 1362 1362 1363 1363 1364 1364 [[image:image-20220602175818-12.png]] ... ... @@ -1421,6 +1421,7 @@ 1421 1421 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1422 1422 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1423 1423 1380 + 1424 1424 = 9.Packing Info = 1425 1425 1426 1426 ... ... @@ -1437,6 +1437,7 @@ 1437 1437 * Package Size / pcs : 14.5 x 8 x 5 cm 1438 1438 * Weight / pcs : 170g 1439 1439 1397 + 1440 1440 = 10. FCC Caution for RS485LN-US915 = 1441 1441 1442 1442 (((