Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.39 >
edited by Xiaoling
on 2022/06/06 12:01
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/]]
... ... @@ -305,6 +305,8 @@
305 305  )))
306 306  )))
307 307  
310 +
311 +
308 308  === 3.3.2 Configure sensors ===
309 309  
310 310  (((
... ... @@ -323,6 +323,8 @@
323 323  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
324 324  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325 325  
330 +
331 +
326 326  === 3.3.3 Configure read commands for each sampling ===
327 327  
328 328  (((
... ... @@ -991,13 +991,9 @@
991 991  [[image:1654160691922-496.png]]
992 992  
993 993  
994 -* (((
995 -**Downlink Payload:**
996 -)))
1000 +* **Downlink Payload:**
997 997  
998 -(((
999 999  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 -)))
1001 1001  
1002 1002  
1003 1003  
... ... @@ -1004,195 +1004,103 @@
1004 1004  
1005 1005  ==== **Set Serial Communication Parameters** ====
1006 1006  
1007 -(((
1008 1008  Set the Rs485 serial communication parameters:
1009 -)))
1010 1010  
1011 -* (((
1012 -**AT Command:**
1013 -)))
1011 +* **AT Command:**
1014 1014  
1015 -(((
1016 1016  Set Baud Rate:
1017 -)))
1018 1018  
1019 1019  (% class="box infomessage" %)
1020 1020  (((
1021 -(((
1022 1022  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1023 1023  )))
1024 -)))
1025 1025  
1026 -(((
1027 1027  Set UART Parity
1028 -)))
1029 1029  
1030 1030  (% class="box infomessage" %)
1031 1031  (((
1032 -(((
1033 1033  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1034 1034  )))
1035 -)))
1036 1036  
1037 -(((
1038 1038  Set STOPBIT
1039 -)))
1040 1040  
1041 1041  (% class="box infomessage" %)
1042 1042  (((
1043 -(((
1044 1044  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1045 1045  )))
1046 -)))
1047 1047  
1048 -(((
1049 -
1050 -)))
1051 1051  
1052 -* (((
1053 -**Downlink Payload:**
1054 -)))
1035 +* **Downlink Payload:**
1055 1055  
1056 -(((
1057 1057  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 -)))
1059 1059  
1060 -(((
1061 1061  **Example:**
1062 -)))
1063 1063  
1064 -* (((
1065 -A7 01 00 60   same as AT+BAUDR=9600
1066 -)))
1067 -* (((
1068 -A7 01 04 80  same as AT+BAUDR=115200
1069 -)))
1041 +* A7 01 00 60   same as AT+BAUDR=9600
1042 +* A7 01 04 80  same as AT+BAUDR=115200
1070 1070  
1071 -(((
1072 1072  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 -)))
1074 1074  
1075 -(((
1076 1076  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 -)))
1078 1078  
1079 1079  
1080 -
1081 -
1082 1082  == 3.6 Listening mode for RS485 network ==
1083 1083  
1084 -(((
1085 1085  This feature support since firmware v1.4
1086 -)))
1087 1087  
1088 -(((
1089 1089  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 -(((
1095 1095  To enable the listening mode, use can run the command AT+RXMODE.
1096 -)))
1097 1097  
1098 -(((
1099 -
1100 -)))
1101 1101  
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 -)))
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)
1128 1128  
1129 -(((
1130 1130  **Downlink Command:**
1131 -)))
1132 1132  
1133 -(((
1134 1134  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 -)))
1136 1136  
1137 -(((
1138 -
1139 -)))
1140 1140  
1141 -(((
1142 1142  **Example**:
1143 -)))
1144 1144  
1145 -(((
1146 1146  The RS485-LN is set to AT+RXMODE=2,1000
1147 -)))
1148 1148  
1149 -(((
1150 1150  There is a two Modbus commands in the RS485 network as below:
1151 -)))
1152 1152  
1153 -(((
1154 1154  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 -)))
1156 1156  
1157 -(((
1158 1158  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 -)))
1160 1160  
1161 -(((
1162 1162  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 -)))
1164 1164  
1165 -(((
1166 1166  [[image:image-20220602171200-9.png]]
1167 -)))
1168 1168  
1169 -(((
1170 -
1171 -)))
1172 1172  
1173 -(((
1174 1174  (% 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 -)))
1176 1176  
1177 1177  
1178 1178  == 3.7 Buttons ==
1179 1179  
1180 1180  
1181 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1182 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1183 -|(% 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**
1184 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1185 -|(% 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"]]
1186 1186  
1187 1187  == 3.8 LEDs ==
1188 1188  
1189 -
1190 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1191 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1101 +(% border="1" style="background-color:#f7faff; width:500px" %)
1102 +|=**LEDs**|=**Feature**
1192 1192  |**PWR**|Always on if there is power
1193 -|**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.
1194 1194  
1195 -
1196 1196  = 4. Case Study =
1197 1197  
1198 1198  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]]
... ... @@ -1202,26 +1202,19 @@
1202 1202  
1203 1203  == 5.1 Access AT Command ==
1204 1204  
1205 -(((
1206 1206  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 -)))
1208 1208  
1209 1209  [[image:1654162355560-817.png]]
1210 1210  
1211 1211  
1212 -(((
1213 1213  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 -)))
1215 1215  
1216 1216  [[image:1654162368066-342.png]]
1217 1217  
1218 1218  
1219 -(((
1220 1220  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 -)))
1222 1222  
1223 1223  
1224 -
1225 1225  == 5.2 Common AT Command Sequence ==
1226 1226  
1227 1227  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1295,23 +1295,13 @@
1295 1295  
1296 1296  == 6.1 How to upgrade the image? ==
1297 1297  
1298 -(((
1299 1299  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1300 -)))
1301 1301  
1302 -* (((
1303 -Support new features
1304 -)))
1305 -* (((
1306 -For bug fix
1307 -)))
1308 -* (((
1309 -Change LoRaWAN bands.
1310 -)))
1203 +* Support new features
1204 +* For bug fix
1205 +* Change LoRaWAN bands.
1311 1311  
1312 -(((
1313 1313  Below shows the hardware connection for how to upload an image to RS485-LN:
1314 -)))
1315 1315  
1316 1316  [[image:1654162535040-878.png]]
1317 1317  
... ... @@ -1322,10 +1322,8 @@
1322 1322  **Step3: **Open flashloader; choose the correct COM port to update.
1323 1323  
1324 1324  (((
1325 -(((
1326 1326  (% 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.
1327 1327  )))
1328 -)))
1329 1329  
1330 1330  
1331 1331  [[image:image-20220602175818-12.png]]
... ... @@ -1388,6 +1388,7 @@
1388 1388  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1389 1389  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1390 1390  
1282 +
1391 1391  = 9.Packing Info =
1392 1392  
1393 1393  
... ... @@ -1404,6 +1404,7 @@
1404 1404  * Package Size / pcs : 14.5 x 8 x 5 cm
1405 1405  * Weight / pcs : 170g
1406 1406  
1299 +
1407 1407  = 10. FCC Caution for RS485LN-US915 =
1408 1408  
1409 1409  (((

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