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 ... ... @@ -116,6 +116,7 @@ 116 116 * Smart Cities 117 117 * Smart Factory 118 118 116 + 119 119 == 1.5 Firmware Change log == 120 120 121 121 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -237,15 +237,11 @@ 237 237 238 238 ((( 239 239 ((( 240 -((( 241 241 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. 242 242 ))) 243 -))) 244 244 245 245 ((( 246 -((( 247 247 (% 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 v1.1 248 -))) 249 249 250 250 251 251 ))) ... ... @@ -313,6 +313,8 @@ 313 313 ))) 314 314 ))) 315 315 310 + 311 + 316 316 === 3.3.2 Configure sensors === 317 317 318 318 ((( ... ... @@ -324,19 +324,15 @@ 324 324 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 325 325 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 326 326 |AT+CFGDEV|(% style="width:110px" %)((( 327 -((( 328 328 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 329 -))) 330 330 331 -((( 332 332 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 333 -))) 334 334 335 -((( 336 336 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 337 -))) 338 338 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 339 339 330 + 331 + 340 340 === 3.3.3 Configure read commands for each sampling === 341 341 342 342 ((( ... ... @@ -1114,29 +1114,29 @@ 1114 1114 ))) 1115 1115 1116 1116 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1117 -|=(% style="width: 1 00px;" %)(((1118 -**Command example** 1119 -)))|=(% style="width: 400px;" %)(((1109 +|=(% style="width: 161px;" %)((( 1110 +**Command example:** 1111 +)))|=(% style="width: 337px;" %)((( 1120 1120 **Function** 1121 1121 ))) 1122 -|(% style="width:1 00px" %)(((1114 +|(% style="width:161px" %)((( 1123 1123 AT+RXMODE=1,10 1124 -)))|(% style="width: 400px" %)(((1116 +)))|(% style="width:337px" %)((( 1125 1125 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. 1126 1126 ))) 1127 -|(% style="width:1 00px" %)(((1119 +|(% style="width:161px" %)((( 1128 1128 AT+RXMODE=2,500 1129 -)))|(% style="width: 400px" %)(((1121 +)))|(% style="width:337px" %)((( 1130 1130 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 1131 1131 ))) 1132 -|(% style="width:1 00px" %)(((1124 +|(% style="width:161px" %)((( 1133 1133 AT+RXMODE=0,0 1134 -)))|(% style="width: 400px" %)(((1126 +)))|(% style="width:337px" %)((( 1135 1135 Disable listening mode. This is the default settings. 1136 1136 ))) 1137 -|(% style="width:1 00px" %)(((1129 +|(% style="width:161px" %)((( 1138 1138 1139 -)))|(% style="width: 400px" %)(((1131 +)))|(% style="width:337px" %)((( 1140 1140 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1141 1141 ))) 1142 1142 ... ... @@ -1185,28 +1185,25 @@ 1185 1185 ))) 1186 1186 1187 1187 ((( 1188 -((( 1189 1189 (% 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. 1190 1190 ))) 1191 -))) 1192 1192 1193 1193 1194 1194 == 3.7 Buttons == 1195 1195 1196 1196 1197 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)1198 -|= (% style="width: 50px;" %)**Button**|=(% style="width:350px;" %)**Feature**1199 -| (% 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**1200 -| (% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS4851201 -| (% 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"]] 1202 1202 1203 1203 == 3.8 LEDs == 1204 1204 1205 - 1206 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1207 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1195 +(% border="1" style="background-color:#f7faff; width:500px" %) 1196 +|=**LEDs**|=**Feature** 1208 1208 |**PWR**|Always on if there is power 1209 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 1198 +|**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. 1210 1210 1211 1211 = 4. Case Study = 1212 1212 ... ... @@ -1217,26 +1217,19 @@ 1217 1217 1218 1218 == 5.1 Access AT Command == 1219 1219 1220 -((( 1221 1221 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. 1222 -))) 1223 1223 1224 1224 [[image:1654162355560-817.png]] 1225 1225 1226 1226 1227 -((( 1228 1228 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: 1229 -))) 1230 1230 1231 1231 [[image:1654162368066-342.png]] 1232 1232 1233 1233 1234 -((( 1235 1235 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/]] 1236 -))) 1237 1237 1238 1238 1239 - 1240 1240 == 5.2 Common AT Command Sequence == 1241 1241 1242 1242 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1259,9 +1259,7 @@ 1259 1259 ))) 1260 1260 1261 1261 1262 -((( 1263 1263 If device already joined network: 1264 -))) 1265 1265 1266 1266 (% class="box infomessage" %) 1267 1267 ((( ... ... @@ -1300,12 +1300,10 @@ 1300 1300 1301 1301 (% style="color:red" %)**Note:** 1302 1302 1303 -((( 1304 1304 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1305 1305 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1306 1306 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. 1307 1307 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 1308 -))) 1309 1309 1310 1310 [[image:1654162478620-421.png]] 1311 1311 ... ... @@ -1314,45 +1314,25 @@ 1314 1314 1315 1315 == 6.1 How to upgrade the image? == 1316 1316 1317 -((( 1318 1318 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1319 -))) 1320 1320 1321 -* ((( 1322 -Support new features 1323 -))) 1324 -* ((( 1325 -For bug fix 1326 -))) 1327 -* ((( 1328 -Change LoRaWAN bands. 1329 -))) 1297 +* Support new features 1298 +* For bug fix 1299 +* Change LoRaWAN bands. 1330 1330 1331 -((( 1332 1332 Below shows the hardware connection for how to upload an image to RS485-LN: 1333 -))) 1334 1334 1335 1335 [[image:1654162535040-878.png]] 1336 1336 1337 -((( 1338 1338 **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]]. 1339 -))) 1340 1340 1341 -((( 1342 1342 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1343 -))) 1344 1344 1345 -((( 1346 1346 **Step3: **Open flashloader; choose the correct COM port to update. 1347 -))) 1348 1348 1349 1349 ((( 1350 -((( 1351 -((( 1352 1352 (% 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. 1353 1353 ))) 1354 -))) 1355 -))) 1356 1356 1357 1357 1358 1358 [[image:image-20220602175818-12.png]] ... ... @@ -1415,6 +1415,7 @@ 1415 1415 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1416 1416 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1417 1417 1376 + 1418 1418 = 9.Packing Info = 1419 1419 1420 1420 ... ... @@ -1431,6 +1431,7 @@ 1431 1431 * Package Size / pcs : 14.5 x 8 x 5 cm 1432 1432 * Weight / pcs : 170g 1433 1433 1393 + 1434 1434 = 10. FCC Caution for RS485LN-US915 = 1435 1435 1436 1436 (((