Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.52 >
edited by Xiaoling
on 2022/06/06 13:56
To version < 58.23 >
edited by Xiaoling
on 2022/06/06 11:26
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -103,6 +103,7 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 +
106 106  == 1.4 Applications ==
107 107  
108 108  * Smart Buildings & Home Automation
... ... @@ -112,6 +112,7 @@
112 112  * Smart Cities
113 113  * Smart Factory
114 114  
116 +
115 115  == 1.5 Firmware Change log ==
116 116  
117 117  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -233,15 +233,11 @@
233 233  
234 234  (((
235 235  (((
236 -(((
237 237  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.
238 238  )))
239 -)))
240 240  
241 241  (((
242 -(((
243 243  (% 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
244 -)))
245 245  
246 246  
247 247  )))
... ... @@ -310,6 +310,7 @@
310 310  )))
311 311  
312 312  
311 +
313 313  === 3.3.2 Configure sensors ===
314 314  
315 315  (((
... ... @@ -329,6 +329,7 @@
329 329  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
330 330  
331 331  
331 +
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -1106,29 +1106,29 @@
1106 1106  )))
1107 1107  
1108 1108  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 -|=(% style="width: 100px;" %)(((
1110 -**Command example**
1111 -)))|=(% style="width: 400px;" %)(((
1109 +|=(% style="width: 161px;" %)(((
1110 +**Command example:**
1111 +)))|=(% style="width: 337px;" %)(((
1112 1112  **Function**
1113 1113  )))
1114 -|(% style="width:100px" %)(((
1114 +|(% style="width:161px" %)(((
1115 1115  AT+RXMODE=1,10
1116 -)))|(% style="width:400px" %)(((
1116 +)))|(% style="width:337px" %)(((
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:100px" %)(((
1119 +|(% style="width:161px" %)(((
1120 1120  AT+RXMODE=2,500
1121 -)))|(% style="width:400px" %)(((
1121 +)))|(% style="width:337px" %)(((
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:100px" %)(((
1124 +|(% style="width:161px" %)(((
1125 1125  AT+RXMODE=0,0
1126 -)))|(% style="width:400px" %)(((
1126 +)))|(% style="width:337px" %)(((
1127 1127  Disable listening mode. This is the default settings.
1128 1128  )))
1129 -|(% style="width:100px" %)(((
1129 +|(% style="width:161px" %)(((
1130 1130  
1131 -)))|(% style="width:400px" %)(((
1131 +)))|(% style="width:337px" %)(((
1132 1132  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 1133  )))
1134 1134  
... ... @@ -1177,31 +1177,28 @@
1177 1177  )))
1178 1178  
1179 1179  (((
1180 -(((
1181 1181  (% 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.
1182 1182  )))
1183 -)))
1184 1184  
1185 1185  
1186 1186  == 3.7 Buttons ==
1187 1187  
1188 1188  
1189 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1190 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1191 -|(% 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**
1192 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1193 -|(% 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"]]
1194 1194  
1195 1195  
1194 +
1196 1196  == 3.8 LEDs ==
1197 1197  
1198 -
1199 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1200 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1197 +(% border="1" style="background-color:#f7faff; width:500px" %)
1198 +|=**LEDs**|=**Feature**
1201 1201  |**PWR**|Always on if there is power
1202 -|**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.
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.
1203 1203  
1204 -
1205 1205  = 4. Case Study =
1206 1206  
1207 1207  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]]
... ... @@ -1211,26 +1211,19 @@
1211 1211  
1212 1212  == 5.1 Access AT Command ==
1213 1213  
1214 -(((
1215 1215  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.
1216 -)))
1217 1217  
1218 1218  [[image:1654162355560-817.png]]
1219 1219  
1220 1220  
1221 -(((
1222 1222  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:
1223 -)))
1224 1224  
1225 1225  [[image:1654162368066-342.png]]
1226 1226  
1227 1227  
1228 -(((
1229 1229  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/]]
1230 -)))
1231 1231  
1232 1232  
1233 -
1234 1234  == 5.2 Common AT Command Sequence ==
1235 1235  
1236 1236  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1292,12 +1292,10 @@
1292 1292  
1293 1293  (% style="color:red" %)**Note:**
1294 1294  
1295 -(((
1296 1296  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1297 1297  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1298 1298  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.
1299 1299  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
1300 -)))
1301 1301  
1302 1302  [[image:1654162478620-421.png]]
1303 1303  
... ... @@ -1306,45 +1306,25 @@
1306 1306  
1307 1307  == 6.1 How to upgrade the image? ==
1308 1308  
1309 -(((
1310 1310  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1311 -)))
1312 1312  
1313 -* (((
1314 -Support new features
1315 -)))
1316 -* (((
1317 -For bug fix
1318 -)))
1319 -* (((
1320 -Change LoRaWAN bands.
1321 -)))
1299 +* Support new features
1300 +* For bug fix
1301 +* Change LoRaWAN bands.
1322 1322  
1323 -(((
1324 1324  Below shows the hardware connection for how to upload an image to RS485-LN:
1325 -)))
1326 1326  
1327 1327  [[image:1654162535040-878.png]]
1328 1328  
1329 -(((
1330 1330  **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]].
1331 -)))
1332 1332  
1333 -(((
1334 1334  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1335 -)))
1336 1336  
1337 -(((
1338 1338  **Step3: **Open flashloader; choose the correct COM port to update.
1339 -)))
1340 1340  
1341 1341  (((
1342 -(((
1343 -(((
1344 1344  (% 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.
1345 1345  )))
1346 -)))
1347 -)))
1348 1348  
1349 1349  
1350 1350  [[image:image-20220602175818-12.png]]
... ... @@ -1407,6 +1407,7 @@
1407 1407  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1408 1408  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1409 1409  
1378 +
1410 1410  = 9.Packing Info =
1411 1411  
1412 1412  
... ... @@ -1423,6 +1423,7 @@
1423 1423  * Package Size / pcs : 14.5 x 8 x 5 cm
1424 1424  * Weight / pcs : 170g
1425 1425  
1395 +
1426 1426  = 10. FCC Caution for RS485LN-US915 =
1427 1427  
1428 1428  (((

Applications

Navigation

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