Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 59.3 >
edited by Xiaoling
on 2022/06/06 14:20
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
... ... @@ -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: 100px;" %)(((
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:100px" %)(((
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:100px" %)(((
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:100px" %)(((
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:100px" %)(((
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 +1185,27 @@
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 RS485
1201 -|(% 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 -== 3.8 LEDs ==
1204 1204  
1205 1205  
1206 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1207 -|=(% 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**
1208 1208  |**PWR**|Always on if there is power
1209 -|**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.
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 -)))
1299 +* Support new features
1300 +* For bug fix
1301 +* 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  
1378 +
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  
1395 +
1434 1434  = 10. FCC Caution for RS485LN-US915 =
1435 1435  
1436 1436  (((

Applications

Navigation

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