Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.24 >
edited by Xiaoling
on 2022/06/06 11:26
To version < 59.9 >
edited by Xiaoling
on 2022/06/06 14:21
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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: 161px;" %)(((
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:161px" %)(((
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:161px" %)(((
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:161px" %)(((
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:161px" %)(((
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  
... ... @@ -1177,30 +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 RS485
1191 -|**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  
1193 -
1194 -
1195 1195  == 3.8 LEDs ==
1196 1196  
1197 -(% border="1" style="background-color:#f7faff; width:500px" %)
1198 -|=**LEDs**|=**Feature**
1211 +
1212 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1213 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1199 1199  |**PWR**|Always on if there is power
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.
1215 +|**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.
1201 1201  
1202 -
1203 -
1204 1204  = 4. Case Study =
1205 1205  
1206 1206  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]]
... ... @@ -1210,19 +1210,26 @@
1210 1210  
1211 1211  == 5.1 Access AT Command ==
1212 1212  
1226 +(((
1213 1213  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 +)))
1214 1214  
1215 1215  [[image:1654162355560-817.png]]
1216 1216  
1217 1217  
1233 +(((
1218 1218  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 +)))
1219 1219  
1220 1220  [[image:1654162368066-342.png]]
1221 1221  
1222 1222  
1240 +(((
1223 1223  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 +)))
1224 1224  
1225 1225  
1245 +
1226 1226  == 5.2 Common AT Command Sequence ==
1227 1227  
1228 1228  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1245,7 +1245,9 @@
1245 1245  )))
1246 1246  
1247 1247  
1268 +(((
1248 1248  If device already joined network:
1270 +)))
1249 1249  
1250 1250  (% class="box infomessage" %)
1251 1251  (((
... ... @@ -1284,10 +1284,12 @@
1284 1284  
1285 1285  (% style="color:red" %)**Note:**
1286 1286  
1309 +(((
1287 1287  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1288 1288  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1289 1289  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.
1290 1290  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 +)))
1291 1291  
1292 1292  [[image:1654162478620-421.png]]
1293 1293  
... ... @@ -1296,25 +1296,45 @@
1296 1296  
1297 1297  == 6.1 How to upgrade the image? ==
1298 1298  
1323 +(((
1299 1299  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1325 +)))
1300 1300  
1301 -* Support new features
1302 -* For bug fix
1303 -* Change LoRaWAN bands.
1327 +* (((
1328 +Support new features
1329 +)))
1330 +* (((
1331 +For bug fix
1332 +)))
1333 +* (((
1334 +Change LoRaWAN bands.
1335 +)))
1304 1304  
1337 +(((
1305 1305  Below shows the hardware connection for how to upload an image to RS485-LN:
1339 +)))
1306 1306  
1307 1307  [[image:1654162535040-878.png]]
1308 1308  
1343 +(((
1309 1309  **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 +)))
1310 1310  
1347 +(((
1311 1311  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1349 +)))
1312 1312  
1351 +(((
1313 1313  **Step3: **Open flashloader; choose the correct COM port to update.
1353 +)))
1314 1314  
1315 1315  (((
1356 +(((
1357 +(((
1316 1316  (% 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.
1317 1317  )))
1360 +)))
1361 +)))
1318 1318  
1319 1319  
1320 1320  [[image:image-20220602175818-12.png]]
... ... @@ -1377,7 +1377,6 @@
1377 1377  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1378 1378  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1379 1379  
1380 -
1381 1381  = 9.Packing Info =
1382 1382  
1383 1383  
... ... @@ -1394,7 +1394,6 @@
1394 1394  * Package Size / pcs : 14.5 x 8 x 5 cm
1395 1395  * Weight / pcs : 170g
1396 1396  
1397 -
1398 1398  = 10. FCC Caution for RS485LN-US915 =
1399 1399  
1400 1400  (((

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0