Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.28 >
edited by Xiaoling
on 2022/06/06 11:41
To version < 58.7 >
edited by Xiaoling
on 2022/06/06 11:22
>
Change comment: There is no comment for this version

Summary

Details

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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/]]
... ... @@ -305,6 +305,8 @@
305 305  )))
306 306  )))
307 307  
310 +
311 +
308 308  === 3.3.2 Configure sensors ===
309 309  
310 310  (((
... ... @@ -323,6 +323,8 @@
323 323  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
324 324  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325 325  
330 +
331 +
326 326  === 3.3.3 Configure read commands for each sampling ===
327 327  
328 328  (((
... ... @@ -698,126 +698,64 @@
698 698  
699 699  ==== **Set RS485 Sampling Commands** ====
700 700  
701 -(((
702 702  AT+COMMANDx or AT+DATACUTx
703 -)))
704 704  
705 -(((
706 706  These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
707 -)))
708 708  
709 -(((
710 -
711 -)))
712 712  
713 -* (((
714 -**AT Command:**
715 -)))
712 +* **AT Command:**
716 716  
717 717  (% class="box infomessage" %)
718 718  (((
719 -(((
720 720  **AT+COMMANDx: Configure RS485 read command to sensor.**
721 721  )))
722 -)))
723 723  
724 724  (% class="box infomessage" %)
725 725  (((
726 -(((
727 727  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
728 728  )))
729 -)))
730 730  
731 -(((
732 -
733 -)))
734 734  
735 -* (((
736 -**Downlink Payload:**
737 -)))
725 +* **Downlink Payload:**
738 738  
739 -(((
740 740  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
741 -)))
742 742  
743 -(((
744 744  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
745 -)))
746 746  
747 -(((
748 748  Format: AF MM NN LL XX XX XX XX YY
749 -)))
750 750  
751 -(((
752 752  Where:
753 -)))
754 754  
755 -* (((
756 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
757 -)))
758 -* (((
759 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
760 -)))
761 -* (((
762 -LL:  The length of AT+COMMAND or AT+DATACUT command
763 -)))
764 -* (((
765 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
766 -)))
767 -* (((
768 -YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
769 -)))
735 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
736 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
737 +* LL:  The length of AT+COMMAND or AT+DATACUT command
738 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
739 +* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
770 770  
771 -(((
772 772  **Example:**
773 -)))
774 774  
775 -(((
776 776  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
777 -)))
778 778  
779 -(((
780 780  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
781 -)))
782 782  
783 -(((
784 784  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
785 -)))
786 786  
787 787  
788 788  
789 -
790 790  ==== **Fast command to handle MODBUS device** ====
791 791  
792 -(((
793 793  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 -)))
795 795  
796 -(((
797 797  This command is valid since v1.3 firmware version
798 -)))
799 799  
800 -(((
801 801  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 -)))
807 807  
808 -(((
809 809  **Example:**
810 -)))
811 811  
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 -)))
762 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
763 +* 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.
764 +* 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.
821 821  
822 822  [[image:image-20220602165351-6.png]]
823 823  
... ... @@ -825,373 +825,200 @@
825 825  
826 826  
827 827  
828 -
829 829  ==== **RS485 command timeout** ====
830 830  
831 -(((
832 832  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 -)))
834 834  
835 -(((
836 836  Default value: 0, range:  0 ~~ 65 seconds
837 -)))
838 838  
839 -* (((
840 -**AT Command:**
841 -)))
778 +* **AT Command:**
842 842  
843 843  (% class="box infomessage" %)
844 844  (((
845 -(((
846 846  **AT+CMDDLaa=hex(bb cc)*1000**
847 847  )))
848 -)))
849 849  
850 -(((
851 851  **Example:**
852 -)))
853 853  
854 -(((
855 855  **AT+CMDDL1=1000** to send the open time to 1000ms
856 -)))
857 857  
858 -(((
859 -
860 -)))
861 861  
862 -* (((
863 -**Downlink Payload:**
864 -)))
790 +* **Downlink Payload:**
865 865  
866 -(((
867 867  **0x AA aa bb cc**
868 -)))
869 869  
870 -(((
871 871  Same as: AT+CMDDLaa=hex(bb cc)*1000
872 -)))
873 873  
874 -(((
875 875   **Example:**
876 -)))
877 877  
878 -(((
879 879   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
880 -)))
881 881  
882 882  
883 883  
884 -
885 885  ==== **Uplink payload mode** ====
886 886  
887 -(((
888 888  Define to use one uplink or multiple uplinks for the sampling.
889 -)))
890 890  
891 -(((
892 892  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
893 -)))
894 894  
895 -* (((
896 -**AT Command:**
897 -)))
808 +* **AT Command:**
898 898  
899 899  (% class="box infomessage" %)
900 900  (((
901 -(((
902 902  **AT+DATAUP=0**
903 903  )))
904 -)))
905 905  
906 906  (% class="box infomessage" %)
907 907  (((
908 -(((
909 909  **AT+DATAUP=1**
910 910  )))
911 -)))
912 912  
913 -(((
914 -
915 -)))
916 916  
917 -* (((
918 -**Downlink Payload:**
919 -)))
821 +* **Downlink Payload:**
920 920  
921 -(((
922 922  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
923 -)))
924 924  
925 -(((
926 926  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
927 -)))
928 928  
929 929  
930 930  
931 -
932 932  ==== **Manually trigger an Uplink** ====
933 933  
934 -(((
935 935  Ask device to send an uplink immediately.
936 -)))
937 937  
938 -* (((
939 -**AT Command:**
940 -)))
833 +* **AT Command:**
941 941  
942 -(((
943 943  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 -)))
945 945  
946 -(((
947 -
948 -)))
949 949  
950 -* (((
951 -**Downlink Payload:**
952 -)))
838 +* **Downlink Payload:**
953 953  
954 -(((
955 955  **0x08 FF**, RS485-LN will immediately send an uplink.
956 -)))
957 957  
958 958  
959 959  
960 -
961 961  ==== **Clear RS485 Command** ====
962 962  
963 -(((
964 964  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 -)))
966 966  
967 -* (((
968 -**AT Command:**
969 -)))
848 +* **AT Command:**
970 970  
971 -(((
972 972  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 -)))
974 974  
975 -(((
976 976  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 -)))
978 978  
979 -(((
980 980  Example screen shot after clear all RS485 commands. 
981 -)))
982 982  
983 -(((
984 -
985 -)))
986 986  
987 -(((
988 988  The uplink screen shot is:
989 -)))
990 990  
991 991  [[image:1654160691922-496.png]]
992 992  
993 993  
994 -* (((
995 -**Downlink Payload:**
996 -)))
862 +* **Downlink Payload:**
997 997  
998 -(((
999 999  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 -)))
1001 1001  
1002 1002  
1003 1003  
1004 -
1005 1005  ==== **Set Serial Communication Parameters** ====
1006 1006  
1007 -(((
1008 1008  Set the Rs485 serial communication parameters:
1009 -)))
1010 1010  
1011 -* (((
1012 -**AT Command:**
1013 -)))
872 +* **AT Command:**
1014 1014  
1015 -(((
1016 1016  Set Baud Rate:
1017 -)))
1018 1018  
1019 1019  (% class="box infomessage" %)
1020 1020  (((
1021 -(((
1022 1022  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1023 1023  )))
1024 -)))
1025 1025  
1026 -(((
1027 1027  Set UART Parity
1028 -)))
1029 1029  
1030 1030  (% class="box infomessage" %)
1031 1031  (((
1032 -(((
1033 1033  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1034 1034  )))
1035 -)))
1036 1036  
1037 -(((
1038 1038  Set STOPBIT
1039 -)))
1040 1040  
1041 1041  (% class="box infomessage" %)
1042 1042  (((
1043 -(((
1044 1044  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1045 1045  )))
1046 -)))
1047 1047  
1048 -(((
1049 -
1050 -)))
1051 1051  
1052 -* (((
1053 -**Downlink Payload:**
1054 -)))
896 +* **Downlink Payload:**
1055 1055  
1056 -(((
1057 1057  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 -)))
1059 1059  
1060 -(((
1061 1061  **Example:**
1062 -)))
1063 1063  
1064 -* (((
1065 -A7 01 00 60   same as AT+BAUDR=9600
1066 -)))
1067 -* (((
1068 -A7 01 04 80  same as AT+BAUDR=115200
1069 -)))
902 +* A7 01 00 60   same as AT+BAUDR=9600
903 +* A7 01 04 80  same as AT+BAUDR=115200
1070 1070  
1071 -(((
1072 1072  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 -)))
1074 1074  
1075 -(((
1076 1076  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 -)))
1078 1078  
1079 1079  
1080 -
1081 -
1082 1082  == 3.6 Listening mode for RS485 network ==
1083 1083  
1084 -(((
1085 1085  This feature support since firmware v1.4
1086 -)))
1087 1087  
1088 -(((
1089 1089  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 -)))
1091 1091  
1092 1092  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1093 1093  
1094 -(((
1095 1095  To enable the listening mode, use can run the command AT+RXMODE.
1096 -)))
1097 1097  
1098 -(((
1099 -
1100 -)))
1101 1101  
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 -)))
921 +(% border="1" style="background-color:#ffffcc; width:500px" %)
922 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
923 +|(% 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.
924 +|(% 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
925 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
926 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1128 1128  
1129 -(((
1130 1130  **Downlink Command:**
1131 -)))
1132 1132  
1133 -(((
1134 1134  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 -)))
1136 1136  
1137 -(((
1138 -
1139 -)))
1140 1140  
1141 -(((
1142 1142  **Example**:
1143 -)))
1144 1144  
1145 -(((
1146 1146  The RS485-LN is set to AT+RXMODE=2,1000
1147 -)))
1148 1148  
1149 -(((
1150 1150  There is a two Modbus commands in the RS485 network as below:
1151 -)))
1152 1152  
1153 -(((
1154 1154  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 -)))
1156 1156  
1157 -(((
1158 1158  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 -)))
1160 1160  
1161 -(((
1162 1162  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 -)))
1164 1164  
1165 -(((
1166 1166  [[image:image-20220602171200-9.png]]
1167 -)))
1168 1168  
1169 -(((
1170 -
1171 -)))
1172 1172  
1173 -(((
1174 1174  (% 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 -)))
1176 1176  
1177 1177  
1178 1178  == 3.7 Buttons ==
1179 1179  
1180 1180  
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"]]
954 +(% border="1" style="background-color:#f7faff; width:500px" %)
955 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
956 +|**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**
957 +|**RST**|(% style="width:1420px" %)Reboot RS485
958 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1186 1186  
1187 -
1188 -
1189 1189  == 3.8 LEDs ==
1190 1190  
1191 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
1192 -|=(% style="width: 30px;" %)**LEDs**|=(% style="width: 400px;" %)**Feature**
1193 -|(% style="width:30px" %)**PWR**|=(% style="width: 400px;" %)Always on if there is power
1194 -|(% 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.
962 +(% border="1" style="background-color:#f7faff; width:500px" %)
963 +|=**LEDs**|=**Feature**
964 +|**PWR**|Always on if there is power
965 +|**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.
1195 1195  
1196 1196  = 4. Case Study =
1197 1197  
... ... @@ -1202,26 +1202,19 @@
1202 1202  
1203 1203  == 5.1 Access AT Command ==
1204 1204  
1205 -(((
1206 1206  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 -)))
1208 1208  
1209 1209  [[image:1654162355560-817.png]]
1210 1210  
1211 1211  
1212 -(((
1213 1213  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 -)))
1215 1215  
1216 1216  [[image:1654162368066-342.png]]
1217 1217  
1218 1218  
1219 -(((
1220 1220  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 -)))
1222 1222  
1223 1223  
1224 -
1225 1225  == 5.2 Common AT Command Sequence ==
1226 1226  
1227 1227  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1376,6 +1376,7 @@
1376 1376  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1377 1377  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1378 1378  
1143 +
1379 1379  = 9.Packing Info =
1380 1380  
1381 1381  
... ... @@ -1392,6 +1392,7 @@
1392 1392  * Package Size / pcs : 14.5 x 8 x 5 cm
1393 1393  * Weight / pcs : 170g
1394 1394  
1160 +
1395 1395  = 10. FCC Caution for RS485LN-US915 =
1396 1396  
1397 1397  (((

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