Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.52 >
edited by Xiaoling
on 2022/06/06 13:56
To version < 58.14 >
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  (((
... ... @@ -937,73 +937,40 @@
937 937  
938 938  ==== **Manually trigger an Uplink** ====
939 939  
940 -(((
941 941  Ask device to send an uplink immediately.
942 -)))
943 943  
944 -* (((
945 -**AT Command:**
946 -)))
942 +* **AT Command:**
947 947  
948 -(((
949 949  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
950 -)))
951 951  
952 -(((
953 -
954 -)))
955 955  
956 -* (((
957 -**Downlink Payload:**
958 -)))
947 +* **Downlink Payload:**
959 959  
960 -(((
961 961  **0x08 FF**, RS485-LN will immediately send an uplink.
962 -)))
963 963  
964 964  
965 965  
966 -
967 967  ==== **Clear RS485 Command** ====
968 968  
969 -(((
970 970  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
971 -)))
972 972  
973 -* (((
974 -**AT Command:**
975 -)))
957 +* **AT Command:**
976 976  
977 -(((
978 978  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
979 -)))
980 980  
981 -(((
982 982  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
983 -)))
984 984  
985 -(((
986 986  Example screen shot after clear all RS485 commands. 
987 -)))
988 988  
989 -(((
990 -
991 -)))
992 992  
993 -(((
994 994  The uplink screen shot is:
995 -)))
996 996  
997 997  [[image:1654160691922-496.png]]
998 998  
999 999  
1000 -* (((
1001 -**Downlink Payload:**
1002 -)))
971 +* **Downlink Payload:**
1003 1003  
1004 -(((
1005 1005  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 -)))
1007 1007  
1008 1008  
1009 1009  
... ... @@ -1010,198 +1010,103 @@
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 -)))
982 +* **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 -)))
1006 +* **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 -)))
1012 +* A7 01 00 60   same as AT+BAUDR=9600
1013 +* 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 -)))
1031 +(% border="1" style="background-color:#ffffcc; width:500px" %)
1032 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1033 +|(% 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.
1034 +|(% 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
1035 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1036 +|(% 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 -(((
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 -)))
1184 1184  
1185 1185  
1186 1186  == 3.7 Buttons ==
1187 1187  
1188 1188  
1189 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1190 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1191 -|(% 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**
1192 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1193 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1064 +(% border="1" style="background-color:#f7faff; width:500px" %)
1065 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
1066 +|**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**
1067 +|**RST**|(% style="width:1420px" %)Reboot RS485
1068 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1194 1194  
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**
1072 +(% border="1" style="background-color:#f7faff; width:500px" %)
1073 +|=**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.
1075 +|**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 -
1205 1205  = 4. Case Study =
1206 1206  
1207 1207  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]]
... ... @@ -1211,26 +1211,19 @@
1211 1211  
1212 1212  == 5.1 Access AT Command ==
1213 1213  
1214 -(((
1215 1215  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.
1216 -)))
1217 1217  
1218 1218  [[image:1654162355560-817.png]]
1219 1219  
1220 1220  
1221 -(((
1222 1222  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:
1223 -)))
1224 1224  
1225 1225  [[image:1654162368066-342.png]]
1226 1226  
1227 1227  
1228 -(((
1229 1229  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/]]
1230 -)))
1231 1231  
1232 1232  
1233 -
1234 1234  == 5.2 Common AT Command Sequence ==
1235 1235  
1236 1236  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1292,12 +1292,10 @@
1292 1292  
1293 1293  (% style="color:red" %)**Note:**
1294 1294  
1295 -(((
1296 1296  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1297 1297  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1298 1298  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1299 1299  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1300 -)))
1301 1301  
1302 1302  [[image:1654162478620-421.png]]
1303 1303  
... ... @@ -1306,45 +1306,25 @@
1306 1306  
1307 1307  == 6.1 How to upgrade the image? ==
1308 1308  
1309 -(((
1310 1310  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1311 -)))
1312 1312  
1313 -* (((
1314 -Support new features
1315 -)))
1316 -* (((
1317 -For bug fix
1318 -)))
1319 -* (((
1320 -Change LoRaWAN bands.
1321 -)))
1174 +* Support new features
1175 +* For bug fix
1176 +* Change LoRaWAN bands.
1322 1322  
1323 -(((
1324 1324  Below shows the hardware connection for how to upload an image to RS485-LN:
1325 -)))
1326 1326  
1327 1327  [[image:1654162535040-878.png]]
1328 1328  
1329 -(((
1330 1330  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1331 -)))
1332 1332  
1333 -(((
1334 1334  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1335 -)))
1336 1336  
1337 -(((
1338 1338  **Step3: **Open flashloader; choose the correct COM port to update.
1339 -)))
1340 1340  
1341 1341  (((
1342 -(((
1343 -(((
1344 1344  (% 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.
1345 1345  )))
1346 -)))
1347 -)))
1348 1348  
1349 1349  
1350 1350  [[image:image-20220602175818-12.png]]
... ... @@ -1407,6 +1407,7 @@
1407 1407  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1408 1408  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1409 1409  
1253 +
1410 1410  = 9.Packing Info =
1411 1411  
1412 1412  
... ... @@ -1423,6 +1423,7 @@
1423 1423  * Package Size / pcs : 14.5 x 8 x 5 cm
1424 1424  * Weight / pcs : 170g
1425 1425  
1270 +
1426 1426  = 10. FCC Caution for RS485LN-US915 =
1427 1427  
1428 1428  (((

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