Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.20 >
edited by Xiaoling
on 2022/06/06 11:24
To version < 59.14 >
edited by Xiaoling
on 2022/06/06 14:23
>
Change comment: There is no comment for this version

Summary

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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  
... ... @@ -1097,55 +1097,113 @@
1097 1097  
1098 1098  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1099 1099  
1114 +(((
1100 1100  To enable the listening mode, use can run the command AT+RXMODE.
1116 +)))
1101 1101  
1118 +(((
1119 +
1120 +)))
1102 1102  
1103 -(% border="1" style="background-color:#ffffcc; width:500px" %)
1104 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1105 -|(% 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.
1106 -|(% 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
1107 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1108 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1122 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1123 +|=(% style="width: 100px;" %)(((
1124 +**Command example**
1125 +)))|=(% style="width: 400px;" %)(((
1126 +**Function**
1127 +)))
1128 +|(% style="width:100px" %)(((
1129 +AT+RXMODE=1,10
1130 +)))|(% style="width:400px" %)(((
1131 +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.
1132 +)))
1133 +|(% style="width:100px" %)(((
1134 +AT+RXMODE=2,500
1135 +)))|(% style="width:400px" %)(((
1136 +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
1137 +)))
1138 +|(% style="width:100px" %)(((
1139 +AT+RXMODE=0,0
1140 +)))|(% style="width:400px" %)(((
1141 +Disable listening mode. This is the default settings.
1142 +)))
1143 +|(% style="width:100px" %)(((
1144 +
1145 +)))|(% style="width:400px" %)(((
1146 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1147 +)))
1109 1109  
1149 +(((
1110 1110  **Downlink Command:**
1151 +)))
1111 1111  
1153 +(((
1112 1112  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1155 +)))
1113 1113  
1157 +(((
1158 +
1159 +)))
1114 1114  
1161 +(((
1115 1115  **Example**:
1163 +)))
1116 1116  
1165 +(((
1117 1117  The RS485-LN is set to AT+RXMODE=2,1000
1167 +)))
1118 1118  
1169 +(((
1119 1119  There is a two Modbus commands in the RS485 network as below:
1171 +)))
1120 1120  
1173 +(((
1121 1121  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1175 +)))
1122 1122  
1177 +(((
1123 1123  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1179 +)))
1124 1124  
1181 +(((
1125 1125  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
1183 +)))
1126 1126  
1185 +(((
1127 1127  [[image:image-20220602171200-9.png]]
1187 +)))
1128 1128  
1189 +(((
1190 +
1191 +)))
1129 1129  
1193 +(((
1194 +(((
1130 1130  (% 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.
1196 +)))
1197 +)))
1131 1131  
1132 1132  
1133 1133  == 3.7 Buttons ==
1134 1134  
1135 1135  
1136 -(% border="1" style="background-color:#f7faff; width:500px" %)
1137 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1138 -|**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**
1139 -|**RST**|(% style="width:1420px" %)Reboot RS485
1140 -|**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:430px" %)
1204 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1205 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)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:361px" %)Reboot RS485
1207 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1141 1141  
1209 +
1210 +
1142 1142  == 3.8 LEDs ==
1143 1143  
1144 -(% border="1" style="background-color:#f7faff; width:500px" %)
1145 -|=**LEDs**|=**Feature**
1213 +
1214 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1215 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1146 1146  |**PWR**|Always on if there is power
1147 -|**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.
1217 +|**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.
1148 1148  
1219 +
1220 +
1149 1149  = 4. Case Study =
1150 1150  
1151 1151  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]]
... ... @@ -1155,19 +1155,26 @@
1155 1155  
1156 1156  == 5.1 Access AT Command ==
1157 1157  
1230 +(((
1158 1158  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.
1232 +)))
1159 1159  
1160 1160  [[image:1654162355560-817.png]]
1161 1161  
1162 1162  
1237 +(((
1163 1163  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:
1239 +)))
1164 1164  
1165 1165  [[image:1654162368066-342.png]]
1166 1166  
1167 1167  
1244 +(((
1168 1168  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/]]
1246 +)))
1169 1169  
1170 1170  
1249 +
1171 1171  == 5.2 Common AT Command Sequence ==
1172 1172  
1173 1173  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1190,7 +1190,9 @@
1190 1190  )))
1191 1191  
1192 1192  
1272 +(((
1193 1193  If device already joined network:
1274 +)))
1194 1194  
1195 1195  (% class="box infomessage" %)
1196 1196  (((
... ... @@ -1229,10 +1229,12 @@
1229 1229  
1230 1230  (% style="color:red" %)**Note:**
1231 1231  
1313 +(((
1232 1232  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1233 1233  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1234 1234  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.
1235 1235  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
1318 +)))
1236 1236  
1237 1237  [[image:1654162478620-421.png]]
1238 1238  
... ... @@ -1241,25 +1241,45 @@
1241 1241  
1242 1242  == 6.1 How to upgrade the image? ==
1243 1243  
1327 +(((
1244 1244  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1329 +)))
1245 1245  
1246 -* Support new features
1247 -* For bug fix
1248 -* Change LoRaWAN bands.
1331 +* (((
1332 +Support new features
1333 +)))
1334 +* (((
1335 +For bug fix
1336 +)))
1337 +* (((
1338 +Change LoRaWAN bands.
1339 +)))
1249 1249  
1341 +(((
1250 1250  Below shows the hardware connection for how to upload an image to RS485-LN:
1343 +)))
1251 1251  
1252 1252  [[image:1654162535040-878.png]]
1253 1253  
1347 +(((
1254 1254  **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]].
1349 +)))
1255 1255  
1351 +(((
1256 1256  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1353 +)))
1257 1257  
1355 +(((
1258 1258  **Step3: **Open flashloader; choose the correct COM port to update.
1357 +)))
1259 1259  
1260 1260  (((
1360 +(((
1361 +(((
1261 1261  (% 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.
1262 1262  )))
1364 +)))
1365 +)))
1263 1263  
1264 1264  
1265 1265  [[image:image-20220602175818-12.png]]
... ... @@ -1322,7 +1322,6 @@
1322 1322  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1323 1323  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1324 1324  
1325 -
1326 1326  = 9.Packing Info =
1327 1327  
1328 1328  
... ... @@ -1339,7 +1339,6 @@
1339 1339  * Package Size / pcs : 14.5 x 8 x 5 cm
1340 1340  * Weight / pcs : 170g
1341 1341  
1342 -
1343 1343  = 10. FCC Caution for RS485LN-US915 =
1344 1344  
1345 1345  (((

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