Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.42 >
edited by Xiaoling
on 2022/06/06 13:34
To version < 58.17 >
edited by Xiaoling
on 2022/06/06 11:23
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -92,7 +92,6 @@
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 96  == 1.3 Features ==
97 97  
98 98  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -236,15 +236,11 @@
236 236  
237 237  (((
238 238  (((
239 -(((
240 240  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.
241 241  )))
242 -)))
243 243  
244 244  (((
245 -(((
246 246  (% 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
247 -)))
248 248  
249 249  
250 250  )))
... ... @@ -332,6 +332,8 @@
332 332  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
333 333  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
334 334  
330 +
331 +
335 335  === 3.3.3 Configure read commands for each sampling ===
336 336  
337 337  (((
... ... @@ -1000,13 +1000,9 @@
1000 1000  [[image:1654160691922-496.png]]
1001 1001  
1002 1002  
1003 -* (((
1004 -**Downlink Payload:**
1005 -)))
1000 +* **Downlink Payload:**
1006 1006  
1007 -(((
1008 1008  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1009 -)))
1010 1010  
1011 1011  
1012 1012  
... ... @@ -1013,193 +1013,102 @@
1013 1013  
1014 1014  ==== **Set Serial Communication Parameters** ====
1015 1015  
1016 -(((
1017 1017  Set the Rs485 serial communication parameters:
1018 -)))
1019 1019  
1020 -* (((
1021 -**AT Command:**
1022 -)))
1011 +* **AT Command:**
1023 1023  
1024 -(((
1025 1025  Set Baud Rate:
1026 -)))
1027 1027  
1028 1028  (% class="box infomessage" %)
1029 1029  (((
1030 -(((
1031 1031  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1032 1032  )))
1033 -)))
1034 1034  
1035 -(((
1036 1036  Set UART Parity
1037 -)))
1038 1038  
1039 1039  (% class="box infomessage" %)
1040 1040  (((
1041 -(((
1042 1042  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1043 1043  )))
1044 -)))
1045 1045  
1046 -(((
1047 1047  Set STOPBIT
1048 -)))
1049 1049  
1050 1050  (% class="box infomessage" %)
1051 1051  (((
1052 -(((
1053 1053  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1054 1054  )))
1055 -)))
1056 1056  
1057 -(((
1058 -
1059 -)))
1060 1060  
1061 -* (((
1062 -**Downlink Payload:**
1063 -)))
1035 +* **Downlink Payload:**
1064 1064  
1065 -(((
1066 1066  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1067 -)))
1068 1068  
1069 -(((
1070 1070  **Example:**
1071 -)))
1072 1072  
1073 -* (((
1074 -A7 01 00 60   same as AT+BAUDR=9600
1075 -)))
1076 -* (((
1077 -A7 01 04 80  same as AT+BAUDR=115200
1078 -)))
1041 +* A7 01 00 60   same as AT+BAUDR=9600
1042 +* A7 01 04 80  same as AT+BAUDR=115200
1079 1079  
1080 -(((
1081 1081  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1082 -)))
1083 1083  
1084 -(((
1085 1085  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1086 -)))
1087 1087  
1088 1088  
1089 -
1090 -
1091 1091  == 3.6 Listening mode for RS485 network ==
1092 1092  
1093 -(((
1094 1094  This feature support since firmware v1.4
1095 -)))
1096 1096  
1097 -(((
1098 1098  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.
1099 -)))
1100 1100  
1101 1101  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1102 1102  
1103 -(((
1104 1104  To enable the listening mode, use can run the command AT+RXMODE.
1105 -)))
1106 1106  
1107 -(((
1108 -
1109 -)))
1110 1110  
1111 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1112 -|=(% style="width: 161px;" %)(((
1113 -**Command example:**
1114 -)))|=(% style="width: 337px;" %)(((
1115 -**Function**
1116 -)))
1117 -|(% style="width:161px" %)(((
1118 -AT+RXMODE=1,10
1119 -)))|(% style="width:337px" %)(((
1120 -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.
1121 -)))
1122 -|(% style="width:161px" %)(((
1123 -AT+RXMODE=2,500
1124 -)))|(% style="width:337px" %)(((
1125 -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
1126 -)))
1127 -|(% style="width:161px" %)(((
1128 -AT+RXMODE=0,0
1129 -)))|(% style="width:337px" %)(((
1130 -Disable listening mode. This is the default settings.
1131 -)))
1132 -|(% style="width:161px" %)(((
1133 -
1134 -)))|(% style="width:337px" %)(((
1135 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1136 -)))
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)
1137 1137  
1138 -(((
1139 1139  **Downlink Command:**
1140 -)))
1141 1141  
1142 -(((
1143 1143  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1144 -)))
1145 1145  
1146 -(((
1147 -
1148 -)))
1149 1149  
1150 -(((
1151 1151  **Example**:
1152 -)))
1153 1153  
1154 -(((
1155 1155  The RS485-LN is set to AT+RXMODE=2,1000
1156 -)))
1157 1157  
1158 -(((
1159 1159  There is a two Modbus commands in the RS485 network as below:
1160 -)))
1161 1161  
1162 -(((
1163 1163  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1164 -)))
1165 1165  
1166 -(((
1167 1167  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1168 -)))
1169 1169  
1170 -(((
1171 1171  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
1172 -)))
1173 1173  
1174 -(((
1175 1175  [[image:image-20220602171200-9.png]]
1176 -)))
1177 1177  
1178 -(((
1179 -
1180 -)))
1181 1181  
1182 -(((
1183 1183  (% 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.
1184 -)))
1185 1185  
1186 1186  
1187 1187  == 3.7 Buttons ==
1188 1188  
1189 1189  
1190 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1191 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1192 -|(% 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**
1193 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1194 -|(% 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"]]
1195 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**
1101 +(% border="1" style="background-color:#f7faff; width:500px" %)
1102 +|=**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.
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.
1203 1203  
1204 1204  = 4. Case Study =
1205 1205  
... ... @@ -1210,26 +1210,19 @@
1210 1210  
1211 1211  == 5.1 Access AT Command ==
1212 1212  
1213 -(((
1214 1214  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.
1215 -)))
1216 1216  
1217 1217  [[image:1654162355560-817.png]]
1218 1218  
1219 1219  
1220 -(((
1221 1221  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:
1222 -)))
1223 1223  
1224 1224  [[image:1654162368066-342.png]]
1225 1225  
1226 1226  
1227 -(((
1228 1228  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/]]
1229 -)))
1230 1230  
1231 1231  
1232 -
1233 1233  == 5.2 Common AT Command Sequence ==
1234 1234  
1235 1235  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1303,23 +1303,13 @@
1303 1303  
1304 1304  == 6.1 How to upgrade the image? ==
1305 1305  
1306 -(((
1307 1307  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1308 -)))
1309 1309  
1310 -* (((
1311 -Support new features
1312 -)))
1313 -* (((
1314 -For bug fix
1315 -)))
1316 -* (((
1317 -Change LoRaWAN bands.
1318 -)))
1203 +* Support new features
1204 +* For bug fix
1205 +* Change LoRaWAN bands.
1319 1319  
1320 -(((
1321 1321  Below shows the hardware connection for how to upload an image to RS485-LN:
1322 -)))
1323 1323  
1324 1324  [[image:1654162535040-878.png]]
1325 1325  
... ... @@ -1330,10 +1330,8 @@
1330 1330  **Step3: **Open flashloader; choose the correct COM port to update.
1331 1331  
1332 1332  (((
1333 -(((
1334 1334  (% 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.
1335 1335  )))
1336 -)))
1337 1337  
1338 1338  
1339 1339  [[image:image-20220602175818-12.png]]
... ... @@ -1396,6 +1396,7 @@
1396 1396  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1397 1397  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1398 1398  
1282 +
1399 1399  = 9.Packing Info =
1400 1400  
1401 1401  
... ... @@ -1412,6 +1412,7 @@
1412 1412  * Package Size / pcs : 14.5 x 8 x 5 cm
1413 1413  * Weight / pcs : 170g
1414 1414  
1299 +
1415 1415  = 10. FCC Caution for RS485LN-US915 =
1416 1416  
1417 1417  (((

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