Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.15 >
edited by Xiaoling
on 2022/06/06 11:23
To version < 58.46 >
edited by Xiaoling
on 2022/06/06 13:44
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -235,11 +235,15 @@
235 235  
236 236  (((
237 237  (((
236 +(((
238 238  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.
239 239  )))
239 +)))
240 240  
241 241  (((
242 +(((
242 242  (% 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 +)))
243 243  
244 244  
245 245  )))
... ... @@ -308,7 +308,6 @@
308 308  )))
309 309  
310 310  
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -328,7 +328,6 @@
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 330  
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -937,16 +937,29 @@
937 937  
938 938  ==== **Manually trigger an Uplink** ====
939 939  
940 +(((
940 940  Ask device to send an uplink immediately.
942 +)))
941 941  
942 -* **AT Command:**
944 +* (((
945 +**AT Command:**
946 +)))
943 943  
948 +(((
944 944  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
950 +)))
945 945  
952 +(((
953 +
954 +)))
946 946  
947 -* **Downlink Payload:**
956 +* (((
957 +**Downlink Payload:**
958 +)))
948 948  
960 +(((
949 949  **0x08 FF**, RS485-LN will immediately send an uplink.
962 +)))
950 950  
951 951  
952 952  
... ... @@ -953,25 +953,44 @@
953 953  
954 954  ==== **Clear RS485 Command** ====
955 955  
969 +(((
956 956  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
971 +)))
957 957  
958 -* **AT Command:**
973 +* (((
974 +**AT Command:**
975 +)))
959 959  
977 +(((
960 960  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
979 +)))
961 961  
981 +(((
962 962  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
983 +)))
963 963  
985 +(((
964 964  Example screen shot after clear all RS485 commands. 
987 +)))
965 965  
989 +(((
990 +
991 +)))
966 966  
993 +(((
967 967  The uplink screen shot is:
995 +)))
968 968  
969 969  [[image:1654160691922-496.png]]
970 970  
971 971  
972 -* **Downlink Payload:**
1000 +* (((
1001 +**Downlink Payload:**
1002 +)))
973 973  
1004 +(((
974 974  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 +)))
975 975  
976 976  
977 977  
... ... @@ -978,102 +978,194 @@
978 978  
979 979  ==== **Set Serial Communication Parameters** ====
980 980  
1013 +(((
981 981  Set the Rs485 serial communication parameters:
1015 +)))
982 982  
983 -* **AT Command:**
1017 +* (((
1018 +**AT Command:**
1019 +)))
984 984  
1021 +(((
985 985  Set Baud Rate:
1023 +)))
986 986  
987 987  (% class="box infomessage" %)
988 988  (((
1027 +(((
989 989  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
990 990  )))
1030 +)))
991 991  
1032 +(((
992 992  Set UART Parity
1034 +)))
993 993  
994 994  (% class="box infomessage" %)
995 995  (((
1038 +(((
996 996  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
997 997  )))
1041 +)))
998 998  
1043 +(((
999 999  Set STOPBIT
1045 +)))
1000 1000  
1001 1001  (% class="box infomessage" %)
1002 1002  (((
1049 +(((
1003 1003  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1004 1004  )))
1052 +)))
1005 1005  
1054 +(((
1055 +
1056 +)))
1006 1006  
1007 -* **Downlink Payload:**
1058 +* (((
1059 +**Downlink Payload:**
1060 +)))
1008 1008  
1062 +(((
1009 1009  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1064 +)))
1010 1010  
1066 +(((
1011 1011  **Example:**
1068 +)))
1012 1012  
1013 -* A7 01 00 60   same as AT+BAUDR=9600
1014 -* A7 01 04 80  same as AT+BAUDR=115200
1070 +* (((
1071 +A7 01 00 60   same as AT+BAUDR=9600
1072 +)))
1073 +* (((
1074 +A7 01 04 80  same as AT+BAUDR=115200
1075 +)))
1015 1015  
1077 +(((
1016 1016  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1079 +)))
1017 1017  
1081 +(((
1018 1018  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1083 +)))
1019 1019  
1020 1020  
1086 +
1087 +
1021 1021  == 3.6 Listening mode for RS485 network ==
1022 1022  
1090 +(((
1023 1023  This feature support since firmware v1.4
1092 +)))
1024 1024  
1094 +(((
1025 1025  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 +)))
1026 1026  
1027 1027  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1028 1028  
1100 +(((
1029 1029  To enable the listening mode, use can run the command AT+RXMODE.
1102 +)))
1030 1030  
1104 +(((
1105 +
1106 +)))
1031 1031  
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)
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 +)))
1038 1038  
1135 +(((
1039 1039  **Downlink Command:**
1137 +)))
1040 1040  
1139 +(((
1041 1041  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1141 +)))
1042 1042  
1143 +(((
1144 +
1145 +)))
1043 1043  
1147 +(((
1044 1044  **Example**:
1149 +)))
1045 1045  
1151 +(((
1046 1046  The RS485-LN is set to AT+RXMODE=2,1000
1153 +)))
1047 1047  
1155 +(((
1048 1048  There is a two Modbus commands in the RS485 network as below:
1157 +)))
1049 1049  
1159 +(((
1050 1050  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1161 +)))
1051 1051  
1163 +(((
1052 1052  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1165 +)))
1053 1053  
1167 +(((
1054 1054  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 +)))
1055 1055  
1171 +(((
1056 1056  [[image:image-20220602171200-9.png]]
1173 +)))
1057 1057  
1175 +(((
1176 +
1177 +)))
1058 1058  
1179 +(((
1059 1059  (% 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.
1181 +)))
1060 1060  
1061 1061  
1062 1062  == 3.7 Buttons ==
1063 1063  
1064 1064  
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"]]
1187 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1188 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1189 +|(% 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**
1190 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1191 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1070 1070  
1193 +
1071 1071  == 3.8 LEDs ==
1072 1072  
1073 -(% border="1" style="background-color:#f7faff; width:500px" %)
1074 -|=**LEDs**|=**Feature**
1196 +
1197 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1198 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1075 1075  |**PWR**|Always on if there is power
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.
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.
1077 1077  
1078 1078  = 4. Case Study =
1079 1079  
... ... @@ -1084,19 +1084,26 @@
1084 1084  
1085 1085  == 5.1 Access AT Command ==
1086 1086  
1211 +(((
1087 1087  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 +)))
1088 1088  
1089 1089  [[image:1654162355560-817.png]]
1090 1090  
1091 1091  
1218 +(((
1092 1092  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 +)))
1093 1093  
1094 1094  [[image:1654162368066-342.png]]
1095 1095  
1096 1096  
1225 +(((
1097 1097  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 +)))
1098 1098  
1099 1099  
1230 +
1100 1100  == 5.2 Common AT Command Sequence ==
1101 1101  
1102 1102  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1170,13 +1170,23 @@
1170 1170  
1171 1171  == 6.1 How to upgrade the image? ==
1172 1172  
1304 +(((
1173 1173  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1306 +)))
1174 1174  
1175 -* Support new features
1176 -* For bug fix
1177 -* Change LoRaWAN bands.
1308 +* (((
1309 +Support new features
1310 +)))
1311 +* (((
1312 +For bug fix
1313 +)))
1314 +* (((
1315 +Change LoRaWAN bands.
1316 +)))
1178 1178  
1318 +(((
1179 1179  Below shows the hardware connection for how to upload an image to RS485-LN:
1320 +)))
1180 1180  
1181 1181  [[image:1654162535040-878.png]]
1182 1182  
... ... @@ -1187,8 +1187,10 @@
1187 1187  **Step3: **Open flashloader; choose the correct COM port to update.
1188 1188  
1189 1189  (((
1331 +(((
1190 1190  (% 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.
1191 1191  )))
1334 +)))
1192 1192  
1193 1193  
1194 1194  [[image:image-20220602175818-12.png]]
... ... @@ -1251,7 +1251,6 @@
1251 1251  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1252 1252  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1253 1253  
1254 -
1255 1255  = 9.Packing Info =
1256 1256  
1257 1257  
... ... @@ -1268,7 +1268,6 @@
1268 1268  * Package Size / pcs : 14.5 x 8 x 5 cm
1269 1269  * Weight / pcs : 170g
1270 1270  
1271 -
1272 1272  = 10. FCC Caution for RS485LN-US915 =
1273 1273  
1274 1274  (((

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