Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.51 >
edited by Xiaoling
on 2022/06/06 13:47
To version < 58.19 >
edited by Xiaoling
on 2022/06/06 11:24
>
Change comment: There is no comment for this version

Summary

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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  (((
... ... @@ -1087,121 +1087,61 @@
1087 1087  
1088 1088  == 3.6 Listening mode for RS485 network ==
1089 1089  
1090 -(((
1091 1091  This feature support since firmware v1.4
1092 -)))
1093 1093  
1094 -(((
1095 1095  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.
1096 -)))
1097 1097  
1098 1098  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1099 1099  
1100 -(((
1101 1101  To enable the listening mode, use can run the command AT+RXMODE.
1102 -)))
1103 1103  
1104 -(((
1105 -
1106 -)))
1107 1107  
1108 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 -|=(% style="width: 100px;" %)(((
1110 -**Command example**
1111 -)))|=(% style="width: 400px;" %)(((
1112 -**Function**
1113 -)))
1114 -|(% style="width:100px" %)(((
1115 -AT+RXMODE=1,10
1116 -)))|(% style="width:400px" %)(((
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 -)))
1119 -|(% style="width:100px" %)(((
1120 -AT+RXMODE=2,500
1121 -)))|(% style="width:400px" %)(((
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 -)))
1124 -|(% style="width:100px" %)(((
1125 -AT+RXMODE=0,0
1126 -)))|(% style="width:400px" %)(((
1127 -Disable listening mode. This is the default settings.
1128 -)))
1129 -|(% style="width:100px" %)(((
1130 -
1131 -)))|(% style="width:400px" %)(((
1132 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 -)))
1099 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1100 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1101 +|(% 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.
1102 +|(% 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
1103 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1104 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1134 1134  
1135 -(((
1136 1136  **Downlink Command:**
1137 -)))
1138 1138  
1139 -(((
1140 1140  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1141 -)))
1142 1142  
1143 -(((
1144 -
1145 -)))
1146 1146  
1147 -(((
1148 1148  **Example**:
1149 -)))
1150 1150  
1151 -(((
1152 1152  The RS485-LN is set to AT+RXMODE=2,1000
1153 -)))
1154 1154  
1155 -(((
1156 1156  There is a two Modbus commands in the RS485 network as below:
1157 -)))
1158 1158  
1159 -(((
1160 1160  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1161 -)))
1162 1162  
1163 -(((
1164 1164  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1165 -)))
1166 1166  
1167 -(((
1168 1168  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
1169 -)))
1170 1170  
1171 -(((
1172 1172  [[image:image-20220602171200-9.png]]
1173 -)))
1174 1174  
1175 -(((
1176 -
1177 -)))
1178 1178  
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 -)))
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"]]
1132 +(% border="1" style="background-color:#f7faff; width:500px" %)
1133 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1134 +|**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**
1135 +|**RST**|(% style="width:1420px" %)Reboot RS485
1136 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1194 1194  
1195 -
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**
1140 +(% border="1" style="background-color:#f7faff; width:500px" %)
1141 +|=**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.
1143 +|**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) ===
... ... @@ -1304,45 +1304,25 @@
1304 1304  
1305 1305  == 6.1 How to upgrade the image? ==
1306 1306  
1307 -(((
1308 1308  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1309 -)))
1310 1310  
1311 -* (((
1312 -Support new features
1313 -)))
1314 -* (((
1315 -For bug fix
1316 -)))
1317 -* (((
1318 -Change LoRaWAN bands.
1319 -)))
1242 +* Support new features
1243 +* For bug fix
1244 +* Change LoRaWAN bands.
1320 1320  
1321 -(((
1322 1322  Below shows the hardware connection for how to upload an image to RS485-LN:
1323 -)))
1324 1324  
1325 1325  [[image:1654162535040-878.png]]
1326 1326  
1327 -(((
1328 1328  **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]].
1329 -)))
1330 1330  
1331 -(((
1332 1332  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1333 -)))
1334 1334  
1335 -(((
1336 1336  **Step3: **Open flashloader; choose the correct COM port to update.
1337 -)))
1338 1338  
1339 1339  (((
1340 -(((
1341 -(((
1342 1342  (% 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.
1343 1343  )))
1344 -)))
1345 -)))
1346 1346  
1347 1347  
1348 1348  [[image:image-20220602175818-12.png]]
... ... @@ -1405,6 +1405,7 @@
1405 1405  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1406 1406  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1407 1407  
1321 +
1408 1408  = 9.Packing Info =
1409 1409  
1410 1410  
... ... @@ -1421,6 +1421,7 @@
1421 1421  * Package Size / pcs : 14.5 x 8 x 5 cm
1422 1422  * Weight / pcs : 170g
1423 1423  
1338 +
1424 1424  = 10. FCC Caution for RS485LN-US915 =
1425 1425  
1426 1426  (((

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