Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.40 >
edited by Xiaoling
on 2022/06/06 13:34
To version < 58.18 >
edited by Xiaoling
on 2022/06/06 11:23
>
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  )))
... ... @@ -309,6 +309,8 @@
309 309  )))
310 310  )))
311 311  
310 +
311 +
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -327,6 +327,8 @@
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 +
331 +
330 330  === 3.3.3 Configure read commands for each sampling ===
331 331  
332 332  (((
... ... @@ -1081,122 +1081,63 @@
1081 1081  )))
1082 1082  
1083 1083  
1084 -
1085 -
1086 1086  == 3.6 Listening mode for RS485 network ==
1087 1087  
1088 -(((
1089 1089  This feature support since firmware v1.4
1090 -)))
1091 1091  
1092 -(((
1093 1093  RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1094 -)))
1095 1095  
1096 1096  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1097 1097  
1098 -(((
1099 1099  To enable the listening mode, use can run the command AT+RXMODE.
1100 -)))
1101 1101  
1102 -(((
1103 -
1104 -)))
1105 1105  
1106 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1107 -|=(% style="width: 161px;" %)(((
1108 -**Command example:**
1109 -)))|=(% style="width: 337px;" %)(((
1110 -**Function**
1111 -)))
1112 -|(% style="width:161px" %)(((
1113 -AT+RXMODE=1,10
1114 -)))|(% style="width:337px" %)(((
1115 -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.
1116 -)))
1117 -|(% style="width:161px" %)(((
1118 -AT+RXMODE=2,500
1119 -)))|(% style="width:337px" %)(((
1120 -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
1121 -)))
1122 -|(% style="width:161px" %)(((
1123 -AT+RXMODE=0,0
1124 -)))|(% style="width:337px" %)(((
1125 -Disable listening mode. This is the default settings.
1126 -)))
1127 -|(% style="width:161px" %)(((
1128 -
1129 -)))|(% style="width:337px" %)(((
1130 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1131 -)))
1097 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1098 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1099 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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.
1100 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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
1101 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1102 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1132 1132  
1133 -(((
1134 1134  **Downlink Command:**
1135 -)))
1136 1136  
1137 -(((
1138 1138  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1139 -)))
1140 1140  
1141 -(((
1142 -
1143 -)))
1144 1144  
1145 -(((
1146 1146  **Example**:
1147 -)))
1148 1148  
1149 -(((
1150 1150  The RS485-LN is set to AT+RXMODE=2,1000
1151 -)))
1152 1152  
1153 -(((
1154 1154  There is a two Modbus commands in the RS485 network as below:
1155 -)))
1156 1156  
1157 -(((
1158 1158  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1159 -)))
1160 1160  
1161 -(((
1162 1162  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1163 -)))
1164 1164  
1165 -(((
1166 1166  RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1167 -)))
1168 1168  
1169 -(((
1170 1170  [[image:image-20220602171200-9.png]]
1171 -)))
1172 1172  
1173 -(((
1174 -
1175 -)))
1176 1176  
1177 -(((
1178 1178  (% 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.
1179 -)))
1180 1180  
1181 1181  
1182 1182  == 3.7 Buttons ==
1183 1183  
1184 1184  
1185 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1186 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1187 -|(% 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**
1188 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1189 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1130 +(% border="1" style="background-color:#f7faff; width:500px" %)
1131 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1132 +|**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**
1133 +|**RST**|(% style="width:1420px" %)Reboot RS485
1134 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1190 1190  
1191 1191  == 3.8 LEDs ==
1192 1192  
1193 -
1194 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1195 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1138 +(% border="1" style="background-color:#f7faff; width:500px" %)
1139 +|=**LEDs**|=**Feature**
1196 1196  |**PWR**|Always on if there is power
1197 -|**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.
1141 +|**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.
1198 1198  
1199 -
1200 1200  = 4. Case Study =
1201 1201  
1202 1202  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]]
... ... @@ -1206,26 +1206,19 @@
1206 1206  
1207 1207  == 5.1 Access AT Command ==
1208 1208  
1209 -(((
1210 1210  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.
1211 -)))
1212 1212  
1213 1213  [[image:1654162355560-817.png]]
1214 1214  
1215 1215  
1216 -(((
1217 1217  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:
1218 -)))
1219 1219  
1220 1220  [[image:1654162368066-342.png]]
1221 1221  
1222 1222  
1223 -(((
1224 1224  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/]]
1225 -)))
1226 1226  
1227 1227  
1228 -
1229 1229  == 5.2 Common AT Command Sequence ==
1230 1230  
1231 1231  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1299,23 +1299,13 @@
1299 1299  
1300 1300  == 6.1 How to upgrade the image? ==
1301 1301  
1302 -(((
1303 1303  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1304 -)))
1305 1305  
1306 -* (((
1307 -Support new features
1308 -)))
1309 -* (((
1310 -For bug fix
1311 -)))
1312 -* (((
1313 -Change LoRaWAN bands.
1314 -)))
1240 +* Support new features
1241 +* For bug fix
1242 +* Change LoRaWAN bands.
1315 1315  
1316 -(((
1317 1317  Below shows the hardware connection for how to upload an image to RS485-LN:
1318 -)))
1319 1319  
1320 1320  [[image:1654162535040-878.png]]
1321 1321  
... ... @@ -1326,10 +1326,8 @@
1326 1326  **Step3: **Open flashloader; choose the correct COM port to update.
1327 1327  
1328 1328  (((
1329 -(((
1330 1330  (% 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.
1331 1331  )))
1332 -)))
1333 1333  
1334 1334  
1335 1335  [[image:image-20220602175818-12.png]]
... ... @@ -1392,6 +1392,7 @@
1392 1392  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1393 1393  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1394 1394  
1319 +
1395 1395  = 9.Packing Info =
1396 1396  
1397 1397  
... ... @@ -1408,6 +1408,7 @@
1408 1408  * Package Size / pcs : 14.5 x 8 x 5 cm
1409 1409  * Weight / pcs : 170g
1410 1410  
1336 +
1411 1411  = 10. FCC Caution for RS485LN-US915 =
1412 1412  
1413 1413  (((

Applications

Navigation

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