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) ... ... @@ -104,6 +104,7 @@ 104 104 * Support Interrupt uplink (Since hardware version v1.2) 105 105 106 106 109 + 107 107 == 1.4 Applications == 108 108 109 109 * Smart Buildings & Home Automation ... ... @@ -114,6 +114,7 @@ 114 114 * Smart Factory 115 115 116 116 120 + 117 117 == 1.5 Firmware Change log == 118 118 119 119 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -235,11 +235,15 @@ 235 235 236 236 ((( 237 237 ((( 242 +((( 238 238 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. 239 239 ))) 245 +))) 240 240 241 241 ((( 248 +((( 242 242 (% 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 +))) 243 243 244 244 245 245 ))) ... ... @@ -320,11 +320,17 @@ 320 320 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 321 321 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 322 322 |AT+CFGDEV|(% style="width:110px" %)((( 331 +((( 323 323 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 333 +))) 324 324 335 +((( 325 325 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 337 +))) 326 326 339 +((( 327 327 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 341 +))) 328 328 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 329 329 330 330 ... ... @@ -1106,29 +1106,29 @@ 1106 1106 ))) 1107 1107 1108 1108 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1109 -|=(% style="width: 1 61px;" %)(((1110 -**Command example :**1111 -)))|=(% style="width: 337px;" %)(((1123 +|=(% style="width: 100px;" %)((( 1124 +**Command example** 1125 +)))|=(% style="width: 400px;" %)((( 1112 1112 **Function** 1113 1113 ))) 1114 -|(% style="width:1 61px" %)(((1128 +|(% style="width:100px" %)((( 1115 1115 AT+RXMODE=1,10 1116 -)))|(% style="width: 337px" %)(((1130 +)))|(% style="width:400px" %)((( 1117 1117 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. 1118 1118 ))) 1119 -|(% style="width:1 61px" %)(((1133 +|(% style="width:100px" %)((( 1120 1120 AT+RXMODE=2,500 1121 -)))|(% style="width: 337px" %)(((1135 +)))|(% style="width:400px" %)((( 1122 1122 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 1123 1123 ))) 1124 -|(% style="width:1 61px" %)(((1138 +|(% style="width:100px" %)((( 1125 1125 AT+RXMODE=0,0 1126 -)))|(% style="width: 337px" %)(((1140 +)))|(% style="width:400px" %)((( 1127 1127 Disable listening mode. This is the default settings. 1128 1128 ))) 1129 -|(% style="width:1 61px" %)(((1143 +|(% style="width:100px" %)((( 1130 1130 1131 -)))|(% style="width: 337px" %)(((1145 +)))|(% style="width:400px" %)((( 1132 1132 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1133 1133 ))) 1134 1134 ... ... @@ -1177,25 +1177,29 @@ 1177 1177 ))) 1178 1178 1179 1179 ((( 1194 +((( 1180 1180 (% 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. 1181 1181 ))) 1197 +))) 1182 1182 1183 1183 1184 1184 == 3.7 Buttons == 1185 1185 1186 1186 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 RS4851191 -|**PRO**|(% style="width: 1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]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 RS485 1207 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1192 1192 1209 + 1193 1193 == 3.8 LEDs == 1194 1194 1195 -(% border="1" style="background-color:#f7faff; width:500px" %) 1196 -|=**LEDs**|=**Feature** 1212 + 1213 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1214 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1197 1197 |**PWR**|Always on if there is power 1198 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 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. 1199 1199 1200 1200 = 4. Case Study = 1201 1201 ... ... @@ -1206,19 +1206,26 @@ 1206 1206 1207 1207 == 5.1 Access AT Command == 1208 1208 1227 +((( 1209 1209 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. 1229 +))) 1210 1210 1211 1211 [[image:1654162355560-817.png]] 1212 1212 1213 1213 1234 +((( 1214 1214 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: 1236 +))) 1215 1215 1216 1216 [[image:1654162368066-342.png]] 1217 1217 1218 1218 1241 +((( 1219 1219 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/]] 1243 +))) 1220 1220 1221 1221 1246 + 1222 1222 == 5.2 Common AT Command Sequence == 1223 1223 1224 1224 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1241,7 +1241,9 @@ 1241 1241 ))) 1242 1242 1243 1243 1269 +((( 1244 1244 If device already joined network: 1271 +))) 1245 1245 1246 1246 (% class="box infomessage" %) 1247 1247 ((( ... ... @@ -1280,10 +1280,12 @@ 1280 1280 1281 1281 (% style="color:red" %)**Note:** 1282 1282 1310 +((( 1283 1283 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1284 1284 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1285 1285 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. 1286 1286 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 +))) 1287 1287 1288 1288 [[image:1654162478620-421.png]] 1289 1289 ... ... @@ -1292,25 +1292,45 @@ 1292 1292 1293 1293 == 6.1 How to upgrade the image? == 1294 1294 1324 +((( 1295 1295 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1326 +))) 1296 1296 1297 -* Support new features 1298 -* For bug fix 1299 -* Change LoRaWAN bands. 1328 +* ((( 1329 +Support new features 1330 +))) 1331 +* ((( 1332 +For bug fix 1333 +))) 1334 +* ((( 1335 +Change LoRaWAN bands. 1336 +))) 1300 1300 1338 +((( 1301 1301 Below shows the hardware connection for how to upload an image to RS485-LN: 1340 +))) 1302 1302 1303 1303 [[image:1654162535040-878.png]] 1304 1304 1344 +((( 1305 1305 **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 +))) 1306 1306 1348 +((( 1307 1307 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1350 +))) 1308 1308 1352 +((( 1309 1309 **Step3: **Open flashloader; choose the correct COM port to update. 1354 +))) 1310 1310 1311 1311 ((( 1357 +((( 1358 +((( 1312 1312 (% 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. 1313 1313 ))) 1361 +))) 1362 +))) 1314 1314 1315 1315 1316 1316 [[image:image-20220602175818-12.png]] ... ... @@ -1373,7 +1373,6 @@ 1373 1373 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1374 1374 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1375 1375 1376 - 1377 1377 = 9.Packing Info = 1378 1378 1379 1379 ... ... @@ -1390,7 +1390,6 @@ 1390 1390 * Package Size / pcs : 14.5 x 8 x 5 cm 1391 1391 * Weight / pcs : 170g 1392 1392 1393 - 1394 1394 = 10. FCC Caution for RS485LN-US915 = 1395 1395 1396 1396 (((