Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.12 >
edited by Xiaoling
on 2022/06/06 11:22
To version < 58.36 >
edited by Xiaoling
on 2022/06/06 11:52
>
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/]]
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -327,8 +327,6 @@
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -831,6 +831,7 @@
831 831  
832 832  
833 833  
828 +
834 834  ==== **RS485 command timeout** ====
835 835  
836 836  (((
... ... @@ -936,142 +936,270 @@
936 936  
937 937  ==== **Manually trigger an Uplink** ====
938 938  
934 +(((
939 939  Ask device to send an uplink immediately.
936 +)))
940 940  
941 -* **AT Command:**
938 +* (((
939 +**AT Command:**
940 +)))
942 942  
942 +(((
943 943  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 +)))
944 944  
946 +(((
947 +
948 +)))
945 945  
946 -* **Downlink Payload:**
950 +* (((
951 +**Downlink Payload:**
952 +)))
947 947  
954 +(((
948 948  **0x08 FF**, RS485-LN will immediately send an uplink.
956 +)))
949 949  
950 950  
951 951  
960 +
952 952  ==== **Clear RS485 Command** ====
953 953  
963 +(((
954 954  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 +)))
955 955  
956 -* **AT Command:**
967 +* (((
968 +**AT Command:**
969 +)))
957 957  
971 +(((
958 958  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 +)))
959 959  
975 +(((
960 960  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 +)))
961 961  
979 +(((
962 962  Example screen shot after clear all RS485 commands. 
981 +)))
963 963  
983 +(((
984 +
985 +)))
964 964  
987 +(((
965 965  The uplink screen shot is:
989 +)))
966 966  
967 967  [[image:1654160691922-496.png]]
968 968  
969 969  
970 -* **Downlink Payload:**
994 +* (((
995 +**Downlink Payload:**
996 +)))
971 971  
998 +(((
972 972  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 +)))
973 973  
974 974  
975 975  
1004 +
976 976  ==== **Set Serial Communication Parameters** ====
977 977  
1007 +(((
978 978  Set the Rs485 serial communication parameters:
1009 +)))
979 979  
980 -* **AT Command:**
1011 +* (((
1012 +**AT Command:**
1013 +)))
981 981  
1015 +(((
982 982  Set Baud Rate:
1017 +)))
983 983  
984 984  (% class="box infomessage" %)
985 985  (((
1021 +(((
986 986  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
987 987  )))
1024 +)))
988 988  
1026 +(((
989 989  Set UART Parity
1028 +)))
990 990  
991 991  (% class="box infomessage" %)
992 992  (((
1032 +(((
993 993  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
994 994  )))
1035 +)))
995 995  
1037 +(((
996 996  Set STOPBIT
1039 +)))
997 997  
998 998  (% class="box infomessage" %)
999 999  (((
1043 +(((
1000 1000  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1001 1001  )))
1046 +)))
1002 1002  
1048 +(((
1049 +
1050 +)))
1003 1003  
1004 -* **Downlink Payload:**
1052 +* (((
1053 +**Downlink Payload:**
1054 +)))
1005 1005  
1056 +(((
1006 1006  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 +)))
1007 1007  
1060 +(((
1008 1008  **Example:**
1062 +)))
1009 1009  
1010 -* A7 01 00 60   same as AT+BAUDR=9600
1011 -* A7 01 04 80  same as AT+BAUDR=115200
1064 +* (((
1065 +A7 01 00 60   same as AT+BAUDR=9600
1066 +)))
1067 +* (((
1068 +A7 01 04 80  same as AT+BAUDR=115200
1069 +)))
1012 1012  
1071 +(((
1013 1013  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 +)))
1014 1014  
1075 +(((
1015 1015  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 +)))
1016 1016  
1017 1017  
1080 +
1081 +
1018 1018  == 3.6 Listening mode for RS485 network ==
1019 1019  
1084 +(((
1020 1020  This feature support since firmware v1.4
1086 +)))
1021 1021  
1088 +(((
1022 1022  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 +)))
1023 1023  
1024 1024  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1025 1025  
1094 +(((
1026 1026  To enable the listening mode, use can run the command AT+RXMODE.
1096 +)))
1027 1027  
1098 +(((
1099 +
1100 +)))
1028 1028  
1029 -(% border="1" style="background-color:#ffffcc; width:500px" %)
1030 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1031 -|(% 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.
1032 -|(% 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
1033 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1034 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
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 +)))
1035 1035  
1129 +(((
1036 1036  **Downlink Command:**
1131 +)))
1037 1037  
1133 +(((
1038 1038  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 +)))
1039 1039  
1137 +(((
1138 +
1139 +)))
1040 1040  
1141 +(((
1041 1041  **Example**:
1143 +)))
1042 1042  
1145 +(((
1043 1043  The RS485-LN is set to AT+RXMODE=2,1000
1147 +)))
1044 1044  
1149 +(((
1045 1045  There is a two Modbus commands in the RS485 network as below:
1151 +)))
1046 1046  
1153 +(((
1047 1047  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 +)))
1048 1048  
1157 +(((
1049 1049  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 +)))
1050 1050  
1161 +(((
1051 1051  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 +)))
1052 1052  
1165 +(((
1053 1053  [[image:image-20220602171200-9.png]]
1167 +)))
1054 1054  
1169 +(((
1170 +
1171 +)))
1055 1055  
1173 +(((
1056 1056  (% 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 +)))
1057 1057  
1058 1058  
1059 1059  == 3.7 Buttons ==
1060 1060  
1061 1061  
1062 -(% border="1" style="background-color:#f7faff; width:500px" %)
1063 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1064 -|**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**
1065 -|**RST**|(% style="width:1420px" %)Reboot RS485
1066 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1181 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1182 +|=(% style="width: 30px;" %)**Button**|=(% style="width: 355px;" %)**Feature**
1183 +|(% style="width:30px" %)**ACT**|(% style="width:355px" %)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:30px" %)**RST**|(% style="width:355px" %)Reboot RS485
1185 +|(% style="width:30px" %)**PRO**|(% style="width:355px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1067 1067  
1187 +
1068 1068  == 3.8 LEDs ==
1069 1069  
1070 -(% border="1" style="background-color:#f7faff; width:500px" %)
1190 +
1191 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1071 1071  |=**LEDs**|=**Feature**
1072 1072  |**PWR**|Always on if there is power
1073 -|**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 +|**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.
1074 1074  
1196 +
1197 +
1075 1075  = 4. Case Study =
1076 1076  
1077 1077  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]]
... ... @@ -1081,19 +1081,26 @@
1081 1081  
1082 1082  == 5.1 Access AT Command ==
1083 1083  
1207 +(((
1084 1084  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.
1209 +)))
1085 1085  
1086 1086  [[image:1654162355560-817.png]]
1087 1087  
1088 1088  
1214 +(((
1089 1089  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:
1216 +)))
1090 1090  
1091 1091  [[image:1654162368066-342.png]]
1092 1092  
1093 1093  
1221 +(((
1094 1094  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/]]
1223 +)))
1095 1095  
1096 1096  
1226 +
1097 1097  == 5.2 Common AT Command Sequence ==
1098 1098  
1099 1099  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1167,13 +1167,23 @@
1167 1167  
1168 1168  == 6.1 How to upgrade the image? ==
1169 1169  
1300 +(((
1170 1170  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1302 +)))
1171 1171  
1172 -* Support new features
1173 -* For bug fix
1174 -* Change LoRaWAN bands.
1304 +* (((
1305 +Support new features
1306 +)))
1307 +* (((
1308 +For bug fix
1309 +)))
1310 +* (((
1311 +Change LoRaWAN bands.
1312 +)))
1175 1175  
1314 +(((
1176 1176  Below shows the hardware connection for how to upload an image to RS485-LN:
1316 +)))
1177 1177  
1178 1178  [[image:1654162535040-878.png]]
1179 1179  
... ... @@ -1184,8 +1184,10 @@
1184 1184  **Step3: **Open flashloader; choose the correct COM port to update.
1185 1185  
1186 1186  (((
1327 +(((
1187 1187  (% 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.
1188 1188  )))
1330 +)))
1189 1189  
1190 1190  
1191 1191  [[image:image-20220602175818-12.png]]
... ... @@ -1248,7 +1248,6 @@
1248 1248  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1249 1249  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1250 1250  
1251 -
1252 1252  = 9.Packing Info =
1253 1253  
1254 1254  
... ... @@ -1265,7 +1265,6 @@
1265 1265  * Package Size / pcs : 14.5 x 8 x 5 cm
1266 1266  * Weight / pcs : 170g
1267 1267  
1268 -
1269 1269  = 10. FCC Caution for RS485LN-US915 =
1270 1270  
1271 1271  (((

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