Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.8 >
edited by Xiaoling
on 2022/06/06 11:22
To version < 58.35 >
edited by Xiaoling
on 2022/06/06 11:48
>
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  (((
... ... @@ -795,18 +795,35 @@
795 795  
796 796  ==== **Fast command to handle MODBUS device** ====
797 797  
792 +(((
798 798  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
794 +)))
799 799  
796 +(((
800 800  This command is valid since v1.3 firmware version
798 +)))
801 801  
800 +(((
802 802  AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
802 +)))
803 803  
804 +(((
805 +
806 +)))
804 804  
808 +(((
805 805  **Example:**
810 +)))
806 806  
807 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
808 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
809 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
812 +* (((
813 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
814 +)))
815 +* (((
816 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
817 +)))
818 +* (((
819 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
820 +)))
810 810  
811 811  [[image:image-20220602165351-6.png]]
812 812  
... ... @@ -814,201 +814,374 @@
814 814  
815 815  
816 816  
828 +
817 817  ==== **RS485 command timeout** ====
818 818  
831 +(((
819 819  Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
833 +)))
820 820  
835 +(((
821 821  Default value: 0, range:  0 ~~ 65 seconds
837 +)))
822 822  
823 -* **AT Command:**
839 +* (((
840 +**AT Command:**
841 +)))
824 824  
825 825  (% class="box infomessage" %)
826 826  (((
845 +(((
827 827  **AT+CMDDLaa=hex(bb cc)*1000**
828 828  )))
848 +)))
829 829  
850 +(((
830 830  **Example:**
852 +)))
831 831  
854 +(((
832 832  **AT+CMDDL1=1000** to send the open time to 1000ms
856 +)))
833 833  
858 +(((
859 +
860 +)))
834 834  
835 -* **Downlink Payload:**
862 +* (((
863 +**Downlink Payload:**
864 +)))
836 836  
866 +(((
837 837  **0x AA aa bb cc**
868 +)))
838 838  
870 +(((
839 839  Same as: AT+CMDDLaa=hex(bb cc)*1000
872 +)))
840 840  
874 +(((
841 841   **Example:**
876 +)))
842 842  
878 +(((
843 843   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
880 +)))
844 844  
845 845  
846 846  
884 +
847 847  ==== **Uplink payload mode** ====
848 848  
887 +(((
849 849  Define to use one uplink or multiple uplinks for the sampling.
889 +)))
850 850  
891 +(((
851 851  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
893 +)))
852 852  
853 -* **AT Command:**
895 +* (((
896 +**AT Command:**
897 +)))
854 854  
855 855  (% class="box infomessage" %)
856 856  (((
901 +(((
857 857  **AT+DATAUP=0**
858 858  )))
904 +)))
859 859  
860 860  (% class="box infomessage" %)
861 861  (((
908 +(((
862 862  **AT+DATAUP=1**
863 863  )))
911 +)))
864 864  
913 +(((
914 +
915 +)))
865 865  
866 -* **Downlink Payload:**
917 +* (((
918 +**Downlink Payload:**
919 +)))
867 867  
921 +(((
868 868  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
923 +)))
869 869  
925 +(((
870 870  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
927 +)))
871 871  
872 872  
873 873  
931 +
874 874  ==== **Manually trigger an Uplink** ====
875 875  
934 +(((
876 876  Ask device to send an uplink immediately.
936 +)))
877 877  
878 -* **AT Command:**
938 +* (((
939 +**AT Command:**
940 +)))
879 879  
942 +(((
880 880  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 +)))
881 881  
946 +(((
947 +
948 +)))
882 882  
883 -* **Downlink Payload:**
950 +* (((
951 +**Downlink Payload:**
952 +)))
884 884  
954 +(((
885 885  **0x08 FF**, RS485-LN will immediately send an uplink.
956 +)))
886 886  
887 887  
888 888  
960 +
889 889  ==== **Clear RS485 Command** ====
890 890  
963 +(((
891 891  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 +)))
892 892  
893 -* **AT Command:**
967 +* (((
968 +**AT Command:**
969 +)))
894 894  
971 +(((
895 895  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 +)))
896 896  
975 +(((
897 897  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 +)))
898 898  
979 +(((
899 899  Example screen shot after clear all RS485 commands. 
981 +)))
900 900  
983 +(((
984 +
985 +)))
901 901  
987 +(((
902 902  The uplink screen shot is:
989 +)))
903 903  
904 904  [[image:1654160691922-496.png]]
905 905  
906 906  
907 -* **Downlink Payload:**
994 +* (((
995 +**Downlink Payload:**
996 +)))
908 908  
998 +(((
909 909  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 +)))
910 910  
911 911  
912 912  
1004 +
913 913  ==== **Set Serial Communication Parameters** ====
914 914  
1007 +(((
915 915  Set the Rs485 serial communication parameters:
1009 +)))
916 916  
917 -* **AT Command:**
1011 +* (((
1012 +**AT Command:**
1013 +)))
918 918  
1015 +(((
919 919  Set Baud Rate:
1017 +)))
920 920  
921 921  (% class="box infomessage" %)
922 922  (((
1021 +(((
923 923  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
924 924  )))
1024 +)))
925 925  
1026 +(((
926 926  Set UART Parity
1028 +)))
927 927  
928 928  (% class="box infomessage" %)
929 929  (((
1032 +(((
930 930  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
931 931  )))
1035 +)))
932 932  
1037 +(((
933 933  Set STOPBIT
1039 +)))
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
1043 +(((
937 937  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
938 938  )))
1046 +)))
939 939  
1048 +(((
1049 +
1050 +)))
940 940  
941 -* **Downlink Payload:**
1052 +* (((
1053 +**Downlink Payload:**
1054 +)))
942 942  
1056 +(((
943 943  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 +)))
944 944  
1060 +(((
945 945  **Example:**
1062 +)))
946 946  
947 -* A7 01 00 60   same as AT+BAUDR=9600
948 -* 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 +)))
949 949  
1071 +(((
950 950  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 +)))
951 951  
1075 +(((
952 952  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 +)))
953 953  
954 954  
1080 +
1081 +
955 955  == 3.6 Listening mode for RS485 network ==
956 956  
1084 +(((
957 957  This feature support since firmware v1.4
1086 +)))
958 958  
1088 +(((
959 959  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 +)))
960 960  
961 961  [[image:image-20220602171200-8.png||height="567" width="1007"]]
962 962  
1094 +(((
963 963  To enable the listening mode, use can run the command AT+RXMODE.
1096 +)))
964 964  
1098 +(((
1099 +
1100 +)))
965 965  
966 -(% border="1" style="background-color:#ffffcc; width:500px" %)
967 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
968 -|(% 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.
969 -|(% 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
970 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
971 -|(% 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 +)))
972 972  
1129 +(((
973 973  **Downlink Command:**
1131 +)))
974 974  
1133 +(((
975 975  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 +)))
976 976  
1137 +(((
1138 +
1139 +)))
977 977  
1141 +(((
978 978  **Example**:
1143 +)))
979 979  
1145 +(((
980 980  The RS485-LN is set to AT+RXMODE=2,1000
1147 +)))
981 981  
1149 +(((
982 982  There is a two Modbus commands in the RS485 network as below:
1151 +)))
983 983  
1153 +(((
984 984  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 +)))
985 985  
1157 +(((
986 986  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 +)))
987 987  
1161 +(((
988 988  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 +)))
989 989  
1165 +(((
990 990  [[image:image-20220602171200-9.png]]
1167 +)))
991 991  
1169 +(((
1170 +
1171 +)))
992 992  
1173 +(((
993 993  (% 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 +)))
994 994  
995 995  
996 996  == 3.7 Buttons ==
997 997  
998 998  
999 -(% border="1" style="background-color:#f7faff; width:500px" %)
1000 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1001 -|**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**
1002 -|**RST**|(% style="width:1420px" %)Reboot RS485
1003 -|**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"]]
1004 1004  
1187 +
1005 1005  == 3.8 LEDs ==
1006 1006  
1007 -(% border="1" style="background-color:#f7faff; width:500px" %)
1008 -|=**LEDs**|=**Feature**
1009 -|**PWR**|Always on if there is power
1010 -|**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.
1190 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1191 +|=(% style="width: 30px;" %)**LEDs**|=(% style="width: 400px;" %)**Feature**
1192 +|(% style="width:30px" %)**PWR**|=(% style="width: 400px;" %)Always on if there is power
1193 +|(% style="width:30px" %)**SYS**|=(% style="width: 400px;" %)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.
1011 1011  
1195 +
1012 1012  = 4. Case Study =
1013 1013  
1014 1014  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]]
... ... @@ -1018,19 +1018,26 @@
1018 1018  
1019 1019  == 5.1 Access AT Command ==
1020 1020  
1205 +(((
1021 1021  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.
1207 +)))
1022 1022  
1023 1023  [[image:1654162355560-817.png]]
1024 1024  
1025 1025  
1212 +(((
1026 1026  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:
1214 +)))
1027 1027  
1028 1028  [[image:1654162368066-342.png]]
1029 1029  
1030 1030  
1219 +(((
1031 1031  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/]]
1221 +)))
1032 1032  
1033 1033  
1224 +
1034 1034  == 5.2 Common AT Command Sequence ==
1035 1035  
1036 1036  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1104,13 +1104,23 @@
1104 1104  
1105 1105  == 6.1 How to upgrade the image? ==
1106 1106  
1298 +(((
1107 1107  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1300 +)))
1108 1108  
1109 -* Support new features
1110 -* For bug fix
1111 -* Change LoRaWAN bands.
1302 +* (((
1303 +Support new features
1304 +)))
1305 +* (((
1306 +For bug fix
1307 +)))
1308 +* (((
1309 +Change LoRaWAN bands.
1310 +)))
1112 1112  
1312 +(((
1113 1113  Below shows the hardware connection for how to upload an image to RS485-LN:
1314 +)))
1114 1114  
1115 1115  [[image:1654162535040-878.png]]
1116 1116  
... ... @@ -1121,8 +1121,10 @@
1121 1121  **Step3: **Open flashloader; choose the correct COM port to update.
1122 1122  
1123 1123  (((
1325 +(((
1124 1124  (% 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.
1125 1125  )))
1328 +)))
1126 1126  
1127 1127  
1128 1128  [[image:image-20220602175818-12.png]]
... ... @@ -1185,7 +1185,6 @@
1185 1185  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1186 1186  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1187 1187  
1188 -
1189 1189  = 9.Packing Info =
1190 1190  
1191 1191  
... ... @@ -1202,7 +1202,6 @@
1202 1202  * Package Size / pcs : 14.5 x 8 x 5 cm
1203 1203  * Weight / pcs : 170g
1204 1204  
1205 -
1206 1206  = 10. FCC Caution for RS485LN-US915 =
1207 1207  
1208 1208  (((

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