Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.18 >
edited by Xiaoling
on 2022/06/06 11:23
To version < 58.35 >
edited by Xiaoling
on 2022/06/06 11:48
>
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Summary

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Content
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
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/]]
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -327,8 +327,6 @@
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 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -1083,63 +1083,122 @@
1083 1083  )))
1084 1084  
1085 1085  
1080 +
1081 +
1086 1086  == 3.6 Listening mode for RS485 network ==
1087 1087  
1084 +(((
1088 1088  This feature support since firmware v1.4
1086 +)))
1089 1089  
1088 +(((
1090 1090  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.
1090 +)))
1091 1091  
1092 1092  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1093 1093  
1094 +(((
1094 1094  To enable the listening mode, use can run the command AT+RXMODE.
1096 +)))
1095 1095  
1098 +(((
1099 +
1100 +)))
1096 1096  
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)
1102 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1103 +|=(% style="width: 161px;" %)(((
1104 +**Command example:**
1105 +)))|=(% style="width: 337px;" %)(((
1106 +**Function**
1107 +)))
1108 +|(% style="width:161px" %)(((
1109 +AT+RXMODE=1,10
1110 +)))|(% style="width:337px" %)(((
1111 +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.
1112 +)))
1113 +|(% style="width:161px" %)(((
1114 +AT+RXMODE=2,500
1115 +)))|(% style="width:337px" %)(((
1116 +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
1117 +)))
1118 +|(% style="width:161px" %)(((
1119 +AT+RXMODE=0,0
1120 +)))|(% style="width:337px" %)(((
1121 +Disable listening mode. This is the default settings.
1122 +)))
1123 +|(% style="width:161px" %)(((
1124 +
1125 +)))|(% style="width:337px" %)(((
1126 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1127 +)))
1103 1103  
1129 +(((
1104 1104  **Downlink Command:**
1131 +)))
1105 1105  
1133 +(((
1106 1106  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 +)))
1107 1107  
1137 +(((
1138 +
1139 +)))
1108 1108  
1141 +(((
1109 1109  **Example**:
1143 +)))
1110 1110  
1145 +(((
1111 1111  The RS485-LN is set to AT+RXMODE=2,1000
1147 +)))
1112 1112  
1149 +(((
1113 1113  There is a two Modbus commands in the RS485 network as below:
1151 +)))
1114 1114  
1153 +(((
1115 1115  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 +)))
1116 1116  
1157 +(((
1117 1117  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 +)))
1118 1118  
1161 +(((
1119 1119  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
1163 +)))
1120 1120  
1165 +(((
1121 1121  [[image:image-20220602171200-9.png]]
1167 +)))
1122 1122  
1169 +(((
1170 +
1171 +)))
1123 1123  
1173 +(((
1124 1124  (% 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.
1175 +)))
1125 1125  
1126 1126  
1127 1127  == 3.7 Buttons ==
1128 1128  
1129 1129  
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"]]
1181 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1182 +|=(% style="width: 30px;" %)**Button**|=(% style="width: 355px;" %)**Feature**
1183 +|(% style="width:30px" %)**ACT**|(% style="width:355px" %)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**
1184 +|(% style="width:30px" %)**RST**|(% style="width:355px" %)Reboot RS485
1185 +|(% style="width:30px" %)**PRO**|(% style="width:355px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1135 1135  
1187 +
1136 1136  == 3.8 LEDs ==
1137 1137  
1138 -(% border="1" style="background-color:#f7faff; width:500px" %)
1139 -|=**LEDs**|=**Feature**
1140 -|**PWR**|Always on if there is power
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.
1190 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1191 +|=(% style="width: 30px;" %)**LEDs**|=(% style="width: 400px;" %)**Feature**
1192 +|(% style="width:30px" %)**PWR**|=(% style="width: 400px;" %)Always on if there is power
1193 +|(% style="width:30px" %)**SYS**|=(% style="width: 400px;" %)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.
1142 1142  
1195 +
1143 1143  = 4. Case Study =
1144 1144  
1145 1145  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]]
... ... @@ -1149,19 +1149,26 @@
1149 1149  
1150 1150  == 5.1 Access AT Command ==
1151 1151  
1205 +(((
1152 1152  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.
1207 +)))
1153 1153  
1154 1154  [[image:1654162355560-817.png]]
1155 1155  
1156 1156  
1212 +(((
1157 1157  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:
1214 +)))
1158 1158  
1159 1159  [[image:1654162368066-342.png]]
1160 1160  
1161 1161  
1219 +(((
1162 1162  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/]]
1221 +)))
1163 1163  
1164 1164  
1224 +
1165 1165  == 5.2 Common AT Command Sequence ==
1166 1166  
1167 1167  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1235,13 +1235,23 @@
1235 1235  
1236 1236  == 6.1 How to upgrade the image? ==
1237 1237  
1298 +(((
1238 1238  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1300 +)))
1239 1239  
1240 -* Support new features
1241 -* For bug fix
1242 -* Change LoRaWAN bands.
1302 +* (((
1303 +Support new features
1304 +)))
1305 +* (((
1306 +For bug fix
1307 +)))
1308 +* (((
1309 +Change LoRaWAN bands.
1310 +)))
1243 1243  
1312 +(((
1244 1244  Below shows the hardware connection for how to upload an image to RS485-LN:
1314 +)))
1245 1245  
1246 1246  [[image:1654162535040-878.png]]
1247 1247  
... ... @@ -1252,8 +1252,10 @@
1252 1252  **Step3: **Open flashloader; choose the correct COM port to update.
1253 1253  
1254 1254  (((
1325 +(((
1255 1255  (% 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.
1256 1256  )))
1328 +)))
1257 1257  
1258 1258  
1259 1259  [[image:image-20220602175818-12.png]]
... ... @@ -1316,7 +1316,6 @@
1316 1316  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1317 1317  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1318 1318  
1319 -
1320 1320  = 9.Packing Info =
1321 1321  
1322 1322  
... ... @@ -1333,7 +1333,6 @@
1333 1333  * Package Size / pcs : 14.5 x 8 x 5 cm
1334 1334  * Weight / pcs : 170g
1335 1335  
1336 -
1337 1337  = 10. FCC Caution for RS485LN-US915 =
1338 1338  
1339 1339  (((

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