Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.41 >
edited by Xiaoling
on 2022/06/06 13:34
To version < 58.16 >
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  )))
... ... @@ -312,6 +312,8 @@
312 312  )))
313 313  )))
314 314  
310 +
311 +
315 315  === 3.3.2 Configure sensors ===
316 316  
317 317  (((
... ... @@ -330,6 +330,8 @@
330 330  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
331 331  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
332 332  
330 +
331 +
333 333  === 3.3.3 Configure read commands for each sampling ===
334 334  
335 335  (((
... ... @@ -938,29 +938,16 @@
938 938  
939 939  ==== **Manually trigger an Uplink** ====
940 940  
941 -(((
942 942  Ask device to send an uplink immediately.
943 -)))
944 944  
945 -* (((
946 -**AT Command:**
947 -)))
942 +* **AT Command:**
948 948  
949 -(((
950 950  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
951 -)))
952 952  
953 -(((
954 -
955 -)))
956 956  
957 -* (((
958 -**Downlink Payload:**
959 -)))
947 +* **Downlink Payload:**
960 960  
961 -(((
962 962  **0x08 FF**, RS485-LN will immediately send an uplink.
963 -)))
964 964  
965 965  
966 966  
... ... @@ -998,13 +998,9 @@
998 998  [[image:1654160691922-496.png]]
999 999  
1000 1000  
1001 -* (((
1002 -**Downlink Payload:**
1003 -)))
987 +* **Downlink Payload:**
1004 1004  
1005 -(((
1006 1006  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1007 -)))
1008 1008  
1009 1009  
1010 1010  
... ... @@ -1011,193 +1011,102 @@
1011 1011  
1012 1012  ==== **Set Serial Communication Parameters** ====
1013 1013  
1014 -(((
1015 1015  Set the Rs485 serial communication parameters:
1016 -)))
1017 1017  
1018 -* (((
1019 -**AT Command:**
1020 -)))
998 +* **AT Command:**
1021 1021  
1022 -(((
1023 1023  Set Baud Rate:
1024 -)))
1025 1025  
1026 1026  (% class="box infomessage" %)
1027 1027  (((
1028 -(((
1029 1029  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1030 1030  )))
1031 -)))
1032 1032  
1033 -(((
1034 1034  Set UART Parity
1035 -)))
1036 1036  
1037 1037  (% class="box infomessage" %)
1038 1038  (((
1039 -(((
1040 1040  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1041 1041  )))
1042 -)))
1043 1043  
1044 -(((
1045 1045  Set STOPBIT
1046 -)))
1047 1047  
1048 1048  (% class="box infomessage" %)
1049 1049  (((
1050 -(((
1051 1051  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1052 1052  )))
1053 -)))
1054 1054  
1055 -(((
1056 -
1057 -)))
1058 1058  
1059 -* (((
1060 -**Downlink Payload:**
1061 -)))
1022 +* **Downlink Payload:**
1062 1062  
1063 -(((
1064 1064  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1065 -)))
1066 1066  
1067 -(((
1068 1068  **Example:**
1069 -)))
1070 1070  
1071 -* (((
1072 -A7 01 00 60   same as AT+BAUDR=9600
1073 -)))
1074 -* (((
1075 -A7 01 04 80  same as AT+BAUDR=115200
1076 -)))
1028 +* A7 01 00 60   same as AT+BAUDR=9600
1029 +* A7 01 04 80  same as AT+BAUDR=115200
1077 1077  
1078 -(((
1079 1079  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1080 -)))
1081 1081  
1082 -(((
1083 1083  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1084 -)))
1085 1085  
1086 1086  
1087 -
1088 -
1089 1089  == 3.6 Listening mode for RS485 network ==
1090 1090  
1091 -(((
1092 1092  This feature support since firmware v1.4
1093 -)))
1094 1094  
1095 -(((
1096 1096  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.
1097 -)))
1098 1098  
1099 1099  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1100 1100  
1101 -(((
1102 1102  To enable the listening mode, use can run the command AT+RXMODE.
1103 -)))
1104 1104  
1105 -(((
1106 -
1107 -)))
1108 1108  
1109 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1110 -|=(% style="width: 161px;" %)(((
1111 -**Command example:**
1112 -)))|=(% style="width: 337px;" %)(((
1113 -**Function**
1114 -)))
1115 -|(% style="width:161px" %)(((
1116 -AT+RXMODE=1,10
1117 -)))|(% style="width:337px" %)(((
1118 -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.
1119 -)))
1120 -|(% style="width:161px" %)(((
1121 -AT+RXMODE=2,500
1122 -)))|(% style="width:337px" %)(((
1123 -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
1124 -)))
1125 -|(% style="width:161px" %)(((
1126 -AT+RXMODE=0,0
1127 -)))|(% style="width:337px" %)(((
1128 -Disable listening mode. This is the default settings.
1129 -)))
1130 -|(% style="width:161px" %)(((
1131 -
1132 -)))|(% style="width:337px" %)(((
1133 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1134 -)))
1047 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1048 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1049 +|(% 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.
1050 +|(% 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
1051 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1052 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1135 1135  
1136 -(((
1137 1137  **Downlink Command:**
1138 -)))
1139 1139  
1140 -(((
1141 1141  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1142 -)))
1143 1143  
1144 -(((
1145 -
1146 -)))
1147 1147  
1148 -(((
1149 1149  **Example**:
1150 -)))
1151 1151  
1152 -(((
1153 1153  The RS485-LN is set to AT+RXMODE=2,1000
1154 -)))
1155 1155  
1156 -(((
1157 1157  There is a two Modbus commands in the RS485 network as below:
1158 -)))
1159 1159  
1160 -(((
1161 1161  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1162 -)))
1163 1163  
1164 -(((
1165 1165  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1166 -)))
1167 1167  
1168 -(((
1169 1169  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
1170 -)))
1171 1171  
1172 -(((
1173 1173  [[image:image-20220602171200-9.png]]
1174 -)))
1175 1175  
1176 -(((
1177 -
1178 -)))
1179 1179  
1180 -(((
1181 1181  (% 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.
1182 -)))
1183 1183  
1184 1184  
1185 1185  == 3.7 Buttons ==
1186 1186  
1187 1187  
1188 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1189 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1190 -|(% 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**
1191 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1192 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1080 +(% border="1" style="background-color:#f7faff; width:500px" %)
1081 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1082 +|**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**
1083 +|**RST**|(% style="width:1420px" %)Reboot RS485
1084 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1193 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**
1088 +(% border="1" style="background-color:#f7faff; width:500px" %)
1089 +|=**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.
1091 +|**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 -)))
1190 +* Support new features
1191 +* For bug fix
1192 +* 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  
1269 +
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  
1286 +
1413 1413  = 10. FCC Caution for RS485LN-US915 =
1414 1414  
1415 1415  (((

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