Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.43 >
edited by Xiaoling
on 2022/06/06 13:35
To version < 58.15 >
edited by Xiaoling
on 2022/06/06 11:23
>
Change comment: There is no comment for this version

Summary

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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  )))
... ... @@ -942,29 +942,16 @@
942 942  
943 943  ==== **Manually trigger an Uplink** ====
944 944  
945 -(((
946 946  Ask device to send an uplink immediately.
947 -)))
948 948  
949 -* (((
950 -**AT Command:**
951 -)))
942 +* **AT Command:**
952 952  
953 -(((
954 954  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
955 -)))
956 956  
957 -(((
958 -
959 -)))
960 960  
961 -* (((
962 -**Downlink Payload:**
963 -)))
947 +* **Downlink Payload:**
964 964  
965 -(((
966 966  **0x08 FF**, RS485-LN will immediately send an uplink.
967 -)))
968 968  
969 969  
970 970  
... ... @@ -971,44 +971,25 @@
971 971  
972 972  ==== **Clear RS485 Command** ====
973 973  
974 -(((
975 975  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
976 -)))
977 977  
978 -* (((
979 -**AT Command:**
980 -)))
958 +* **AT Command:**
981 981  
982 -(((
983 983  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
984 -)))
985 985  
986 -(((
987 987  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
988 -)))
989 989  
990 -(((
991 991  Example screen shot after clear all RS485 commands. 
992 -)))
993 993  
994 -(((
995 -
996 -)))
997 997  
998 -(((
999 999  The uplink screen shot is:
1000 -)))
1001 1001  
1002 1002  [[image:1654160691922-496.png]]
1003 1003  
1004 1004  
1005 -* (((
1006 -**Downlink Payload:**
1007 -)))
972 +* **Downlink Payload:**
1008 1008  
1009 -(((
1010 1010  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1011 -)))
1012 1012  
1013 1013  
1014 1014  
... ... @@ -1015,193 +1015,102 @@
1015 1015  
1016 1016  ==== **Set Serial Communication Parameters** ====
1017 1017  
1018 -(((
1019 1019  Set the Rs485 serial communication parameters:
1020 -)))
1021 1021  
1022 -* (((
1023 -**AT Command:**
1024 -)))
983 +* **AT Command:**
1025 1025  
1026 -(((
1027 1027  Set Baud Rate:
1028 -)))
1029 1029  
1030 1030  (% class="box infomessage" %)
1031 1031  (((
1032 -(((
1033 1033  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1034 1034  )))
1035 -)))
1036 1036  
1037 -(((
1038 1038  Set UART Parity
1039 -)))
1040 1040  
1041 1041  (% class="box infomessage" %)
1042 1042  (((
1043 -(((
1044 1044  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1045 1045  )))
1046 -)))
1047 1047  
1048 -(((
1049 1049  Set STOPBIT
1050 -)))
1051 1051  
1052 1052  (% class="box infomessage" %)
1053 1053  (((
1054 -(((
1055 1055  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1056 1056  )))
1057 -)))
1058 1058  
1059 -(((
1060 -
1061 -)))
1062 1062  
1063 -* (((
1064 -**Downlink Payload:**
1065 -)))
1007 +* **Downlink Payload:**
1066 1066  
1067 -(((
1068 1068  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1069 -)))
1070 1070  
1071 -(((
1072 1072  **Example:**
1073 -)))
1074 1074  
1075 -* (((
1076 -A7 01 00 60   same as AT+BAUDR=9600
1077 -)))
1078 -* (((
1079 -A7 01 04 80  same as AT+BAUDR=115200
1080 -)))
1013 +* A7 01 00 60   same as AT+BAUDR=9600
1014 +* A7 01 04 80  same as AT+BAUDR=115200
1081 1081  
1082 -(((
1083 1083  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1084 -)))
1085 1085  
1086 -(((
1087 1087  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1088 -)))
1089 1089  
1090 1090  
1091 -
1092 -
1093 1093  == 3.6 Listening mode for RS485 network ==
1094 1094  
1095 -(((
1096 1096  This feature support since firmware v1.4
1097 -)))
1098 1098  
1099 -(((
1100 1100  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.
1101 -)))
1102 1102  
1103 1103  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1104 1104  
1105 -(((
1106 1106  To enable the listening mode, use can run the command AT+RXMODE.
1107 -)))
1108 1108  
1109 -(((
1110 -
1111 -)))
1112 1112  
1113 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1114 -|=(% style="width: 161px;" %)(((
1115 -**Command example:**
1116 -)))|=(% style="width: 337px;" %)(((
1117 -**Function**
1118 -)))
1119 -|(% style="width:161px" %)(((
1120 -AT+RXMODE=1,10
1121 -)))|(% style="width:337px" %)(((
1122 -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.
1123 -)))
1124 -|(% style="width:161px" %)(((
1125 -AT+RXMODE=2,500
1126 -)))|(% style="width:337px" %)(((
1127 -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
1128 -)))
1129 -|(% style="width:161px" %)(((
1130 -AT+RXMODE=0,0
1131 -)))|(% style="width:337px" %)(((
1132 -Disable listening mode. This is the default settings.
1133 -)))
1134 -|(% style="width:161px" %)(((
1135 -
1136 -)))|(% style="width:337px" %)(((
1137 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1138 -)))
1032 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1033 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1034 +|(% 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.
1035 +|(% 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
1036 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1037 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1139 1139  
1140 -(((
1141 1141  **Downlink Command:**
1142 -)))
1143 1143  
1144 -(((
1145 1145  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1146 -)))
1147 1147  
1148 -(((
1149 -
1150 -)))
1151 1151  
1152 -(((
1153 1153  **Example**:
1154 -)))
1155 1155  
1156 -(((
1157 1157  The RS485-LN is set to AT+RXMODE=2,1000
1158 -)))
1159 1159  
1160 -(((
1161 1161  There is a two Modbus commands in the RS485 network as below:
1162 -)))
1163 1163  
1164 -(((
1165 1165  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1166 -)))
1167 1167  
1168 -(((
1169 1169  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1170 -)))
1171 1171  
1172 -(((
1173 1173  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
1174 -)))
1175 1175  
1176 -(((
1177 1177  [[image:image-20220602171200-9.png]]
1178 -)))
1179 1179  
1180 -(((
1181 -
1182 -)))
1183 1183  
1184 -(((
1185 1185  (% 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.
1186 -)))
1187 1187  
1188 1188  
1189 1189  == 3.7 Buttons ==
1190 1190  
1191 1191  
1192 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1193 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1194 -|(% 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**
1195 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1196 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1065 +(% border="1" style="background-color:#f7faff; width:500px" %)
1066 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1067 +|**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**
1068 +|**RST**|(% style="width:1420px" %)Reboot RS485
1069 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1197 1197  
1198 1198  == 3.8 LEDs ==
1199 1199  
1200 -
1201 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1202 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1073 +(% border="1" style="background-color:#f7faff; width:500px" %)
1074 +|=**LEDs**|=**Feature**
1203 1203  |**PWR**|Always on if there is power
1204 -|**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.
1076 +|**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.
1205 1205  
1206 1206  = 4. Case Study =
1207 1207  
... ... @@ -1212,26 +1212,19 @@
1212 1212  
1213 1213  == 5.1 Access AT Command ==
1214 1214  
1215 -(((
1216 1216  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.
1217 -)))
1218 1218  
1219 1219  [[image:1654162355560-817.png]]
1220 1220  
1221 1221  
1222 -(((
1223 1223  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:
1224 -)))
1225 1225  
1226 1226  [[image:1654162368066-342.png]]
1227 1227  
1228 1228  
1229 -(((
1230 1230  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/]]
1231 -)))
1232 1232  
1233 1233  
1234 -
1235 1235  == 5.2 Common AT Command Sequence ==
1236 1236  
1237 1237  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1305,23 +1305,13 @@
1305 1305  
1306 1306  == 6.1 How to upgrade the image? ==
1307 1307  
1308 -(((
1309 1309  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1310 -)))
1311 1311  
1312 -* (((
1313 -Support new features
1314 -)))
1315 -* (((
1316 -For bug fix
1317 -)))
1318 -* (((
1319 -Change LoRaWAN bands.
1320 -)))
1175 +* Support new features
1176 +* For bug fix
1177 +* Change LoRaWAN bands.
1321 1321  
1322 -(((
1323 1323  Below shows the hardware connection for how to upload an image to RS485-LN:
1324 -)))
1325 1325  
1326 1326  [[image:1654162535040-878.png]]
1327 1327  
... ... @@ -1332,10 +1332,8 @@
1332 1332  **Step3: **Open flashloader; choose the correct COM port to update.
1333 1333  
1334 1334  (((
1335 -(((
1336 1336  (% 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.
1337 1337  )))
1338 -)))
1339 1339  
1340 1340  
1341 1341  [[image:image-20220602175818-12.png]]
... ... @@ -1398,6 +1398,7 @@
1398 1398  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1399 1399  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1400 1400  
1254 +
1401 1401  = 9.Packing Info =
1402 1402  
1403 1403  
... ... @@ -1414,6 +1414,7 @@
1414 1414  * Package Size / pcs : 14.5 x 8 x 5 cm
1415 1415  * Weight / pcs : 170g
1416 1416  
1271 +
1417 1417  = 10. FCC Caution for RS485LN-US915 =
1418 1418  
1419 1419  (((

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