Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.45 >
edited by Xiaoling
on 2022/06/06 13:44
To version < 58.17 >
edited by Xiaoling
on 2022/06/06 11:23
>
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  (((
... ... @@ -997,13 +997,9 @@
997 997  [[image:1654160691922-496.png]]
998 998  
999 999  
1000 -* (((
1001 -**Downlink Payload:**
1002 -)))
1000 +* **Downlink Payload:**
1003 1003  
1004 -(((
1005 1005  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 -)))
1007 1007  
1008 1008  
1009 1009  
... ... @@ -1010,194 +1010,102 @@
1010 1010  
1011 1011  ==== **Set Serial Communication Parameters** ====
1012 1012  
1013 -(((
1014 1014  Set the Rs485 serial communication parameters:
1015 -)))
1016 1016  
1017 -* (((
1018 -**AT Command:**
1019 -)))
1011 +* **AT Command:**
1020 1020  
1021 -(((
1022 1022  Set Baud Rate:
1023 -)))
1024 1024  
1025 1025  (% class="box infomessage" %)
1026 1026  (((
1027 -(((
1028 1028  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1029 1029  )))
1030 -)))
1031 1031  
1032 -(((
1033 1033  Set UART Parity
1034 -)))
1035 1035  
1036 1036  (% class="box infomessage" %)
1037 1037  (((
1038 -(((
1039 1039  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1040 1040  )))
1041 -)))
1042 1042  
1043 -(((
1044 1044  Set STOPBIT
1045 -)))
1046 1046  
1047 1047  (% class="box infomessage" %)
1048 1048  (((
1049 -(((
1050 1050  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1051 1051  )))
1052 -)))
1053 1053  
1054 -(((
1055 -
1056 -)))
1057 1057  
1058 -* (((
1059 -**Downlink Payload:**
1060 -)))
1035 +* **Downlink Payload:**
1061 1061  
1062 -(((
1063 1063  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1064 -)))
1065 1065  
1066 -(((
1067 1067  **Example:**
1068 -)))
1069 1069  
1070 -* (((
1071 -A7 01 00 60   same as AT+BAUDR=9600
1072 -)))
1073 -* (((
1074 -A7 01 04 80  same as AT+BAUDR=115200
1075 -)))
1041 +* A7 01 00 60   same as AT+BAUDR=9600
1042 +* A7 01 04 80  same as AT+BAUDR=115200
1076 1076  
1077 -(((
1078 1078  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1079 -)))
1080 1080  
1081 -(((
1082 1082  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1083 -)))
1084 1084  
1085 1085  
1086 -
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 -)))
1060 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1061 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1062 +|(% 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.
1063 +|(% 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
1064 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1065 +|(% 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 1180  (% 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.
1181 -)))
1182 1182  
1183 1183  
1184 1184  == 3.7 Buttons ==
1185 1185  
1186 1186  
1187 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1188 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1189 -|(% 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**
1190 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1191 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1093 +(% border="1" style="background-color:#f7faff; width:500px" %)
1094 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1095 +|**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**
1096 +|**RST**|(% style="width:1420px" %)Reboot RS485
1097 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1192 1192  
1193 -
1194 1194  == 3.8 LEDs ==
1195 1195  
1196 -
1197 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1198 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1101 +(% border="1" style="background-color:#f7faff; width:500px" %)
1102 +|=**LEDs**|=**Feature**
1199 1199  |**PWR**|Always on if there is power
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.
1104 +|**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.
1201 1201  
1202 1202  = 4. Case Study =
1203 1203  
... ... @@ -1208,26 +1208,19 @@
1208 1208  
1209 1209  == 5.1 Access AT Command ==
1210 1210  
1211 -(((
1212 1212  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.
1213 -)))
1214 1214  
1215 1215  [[image:1654162355560-817.png]]
1216 1216  
1217 1217  
1218 -(((
1219 1219  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:
1220 -)))
1221 1221  
1222 1222  [[image:1654162368066-342.png]]
1223 1223  
1224 1224  
1225 -(((
1226 1226  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/]]
1227 -)))
1228 1228  
1229 1229  
1230 -
1231 1231  == 5.2 Common AT Command Sequence ==
1232 1232  
1233 1233  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1301,23 +1301,13 @@
1301 1301  
1302 1302  == 6.1 How to upgrade the image? ==
1303 1303  
1304 -(((
1305 1305  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1306 -)))
1307 1307  
1308 -* (((
1309 -Support new features
1310 -)))
1311 -* (((
1312 -For bug fix
1313 -)))
1314 -* (((
1315 -Change LoRaWAN bands.
1316 -)))
1203 +* Support new features
1204 +* For bug fix
1205 +* Change LoRaWAN bands.
1317 1317  
1318 -(((
1319 1319  Below shows the hardware connection for how to upload an image to RS485-LN:
1320 -)))
1321 1321  
1322 1322  [[image:1654162535040-878.png]]
1323 1323  
... ... @@ -1328,10 +1328,8 @@
1328 1328  **Step3: **Open flashloader; choose the correct COM port to update.
1329 1329  
1330 1330  (((
1331 -(((
1332 1332  (% 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.
1333 1333  )))
1334 -)))
1335 1335  
1336 1336  
1337 1337  [[image:image-20220602175818-12.png]]
... ... @@ -1394,6 +1394,7 @@
1394 1394  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1395 1395  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1396 1396  
1282 +
1397 1397  = 9.Packing Info =
1398 1398  
1399 1399  
... ... @@ -1410,6 +1410,7 @@
1410 1410  * Package Size / pcs : 14.5 x 8 x 5 cm
1411 1411  * Weight / pcs : 170g
1412 1412  
1299 +
1413 1413  = 10. FCC Caution for RS485LN-US915 =
1414 1414  
1415 1415  (((

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