Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.6 >
edited by Xiaoling
on 2022/06/06 11:21
To version < 58.28 >
edited by Xiaoling
on 2022/06/06 11:41
>
Change comment: There is no comment for this version

Summary

Details

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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  (((
... ... @@ -669,6 +669,7 @@
669 669  
670 670  
671 671  
666 +
672 672  ==== **Set Payload version** ====
673 673  
674 674  (((
... ... @@ -703,64 +703,126 @@
703 703  
704 704  ==== **Set RS485 Sampling Commands** ====
705 705  
701 +(((
706 706  AT+COMMANDx or AT+DATACUTx
703 +)))
707 707  
705 +(((
708 708  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 +)))
709 709  
709 +(((
710 +
711 +)))
710 710  
711 -* **AT Command:**
713 +* (((
714 +**AT Command:**
715 +)))
712 712  
713 713  (% class="box infomessage" %)
714 714  (((
719 +(((
715 715  **AT+COMMANDx: Configure RS485 read command to sensor.**
716 716  )))
722 +)))
717 717  
718 718  (% class="box infomessage" %)
719 719  (((
726 +(((
720 720  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
721 721  )))
729 +)))
722 722  
731 +(((
732 +
733 +)))
723 723  
724 -* **Downlink Payload:**
735 +* (((
736 +**Downlink Payload:**
737 +)))
725 725  
739 +(((
726 726  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
741 +)))
727 727  
743 +(((
728 728  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
745 +)))
729 729  
747 +(((
730 730  Format: AF MM NN LL XX XX XX XX YY
749 +)))
731 731  
751 +(((
732 732  Where:
753 +)))
733 733  
734 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
735 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
736 -* LL:  The length of AT+COMMAND or AT+DATACUT command
737 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
738 -* 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.
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 +)))
739 739  
771 +(((
740 740  **Example:**
773 +)))
741 741  
775 +(((
742 742  (% 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 +)))
743 743  
779 +(((
744 744  (% 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 +)))
745 745  
783 +(((
746 746  (% 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 +)))
747 747  
748 748  
749 749  
789 +
750 750  ==== **Fast command to handle MODBUS device** ====
751 751  
792 +(((
752 752  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 +)))
753 753  
796 +(((
754 754  This command is valid since v1.3 firmware version
798 +)))
755 755  
800 +(((
756 756  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 +)))
757 757  
804 +(((
805 +
806 +)))
758 758  
808 +(((
759 759  **Example:**
810 +)))
760 760  
761 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
762 -* 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.
763 -* 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 +)))
764 764  
765 765  [[image:image-20220602165351-6.png]]
766 766  
... ... @@ -768,200 +768,373 @@
768 768  
769 769  
770 770  
828 +
771 771  ==== **RS485 command timeout** ====
772 772  
831 +(((
773 773  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 +)))
774 774  
835 +(((
775 775  Default value: 0, range:  0 ~~ 65 seconds
837 +)))
776 776  
777 -* **AT Command:**
839 +* (((
840 +**AT Command:**
841 +)))
778 778  
779 779  (% class="box infomessage" %)
780 780  (((
845 +(((
781 781  **AT+CMDDLaa=hex(bb cc)*1000**
782 782  )))
848 +)))
783 783  
850 +(((
784 784  **Example:**
852 +)))
785 785  
854 +(((
786 786  **AT+CMDDL1=1000** to send the open time to 1000ms
856 +)))
787 787  
858 +(((
859 +
860 +)))
788 788  
789 -* **Downlink Payload:**
862 +* (((
863 +**Downlink Payload:**
864 +)))
790 790  
866 +(((
791 791  **0x AA aa bb cc**
868 +)))
792 792  
870 +(((
793 793  Same as: AT+CMDDLaa=hex(bb cc)*1000
872 +)))
794 794  
874 +(((
795 795   **Example:**
876 +)))
796 796  
878 +(((
797 797   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
880 +)))
798 798  
799 799  
800 800  
884 +
801 801  ==== **Uplink payload mode** ====
802 802  
887 +(((
803 803  Define to use one uplink or multiple uplinks for the sampling.
889 +)))
804 804  
891 +(((
805 805  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
893 +)))
806 806  
807 -* **AT Command:**
895 +* (((
896 +**AT Command:**
897 +)))
808 808  
809 809  (% class="box infomessage" %)
810 810  (((
901 +(((
811 811  **AT+DATAUP=0**
812 812  )))
904 +)))
813 813  
814 814  (% class="box infomessage" %)
815 815  (((
908 +(((
816 816  **AT+DATAUP=1**
817 817  )))
911 +)))
818 818  
913 +(((
914 +
915 +)))
819 819  
820 -* **Downlink Payload:**
917 +* (((
918 +**Downlink Payload:**
919 +)))
821 821  
921 +(((
822 822  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
923 +)))
823 823  
925 +(((
824 824  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
927 +)))
825 825  
826 826  
827 827  
931 +
828 828  ==== **Manually trigger an Uplink** ====
829 829  
934 +(((
830 830  Ask device to send an uplink immediately.
936 +)))
831 831  
832 -* **AT Command:**
938 +* (((
939 +**AT Command:**
940 +)))
833 833  
942 +(((
834 834  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 +)))
835 835  
946 +(((
947 +
948 +)))
836 836  
837 -* **Downlink Payload:**
950 +* (((
951 +**Downlink Payload:**
952 +)))
838 838  
954 +(((
839 839  **0x08 FF**, RS485-LN will immediately send an uplink.
956 +)))
840 840  
841 841  
842 842  
960 +
843 843  ==== **Clear RS485 Command** ====
844 844  
963 +(((
845 845  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 +)))
846 846  
847 -* **AT Command:**
967 +* (((
968 +**AT Command:**
969 +)))
848 848  
971 +(((
849 849  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 +)))
850 850  
975 +(((
851 851  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 +)))
852 852  
979 +(((
853 853  Example screen shot after clear all RS485 commands. 
981 +)))
854 854  
983 +(((
984 +
985 +)))
855 855  
987 +(((
856 856  The uplink screen shot is:
989 +)))
857 857  
858 858  [[image:1654160691922-496.png]]
859 859  
860 860  
861 -* **Downlink Payload:**
994 +* (((
995 +**Downlink Payload:**
996 +)))
862 862  
998 +(((
863 863  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 +)))
864 864  
865 865  
866 866  
1004 +
867 867  ==== **Set Serial Communication Parameters** ====
868 868  
1007 +(((
869 869  Set the Rs485 serial communication parameters:
1009 +)))
870 870  
871 -* **AT Command:**
1011 +* (((
1012 +**AT Command:**
1013 +)))
872 872  
1015 +(((
873 873  Set Baud Rate:
1017 +)))
874 874  
875 875  (% class="box infomessage" %)
876 876  (((
1021 +(((
877 877  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
878 878  )))
1024 +)))
879 879  
1026 +(((
880 880  Set UART Parity
1028 +)))
881 881  
882 882  (% class="box infomessage" %)
883 883  (((
1032 +(((
884 884  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
885 885  )))
1035 +)))
886 886  
1037 +(((
887 887  Set STOPBIT
1039 +)))
888 888  
889 889  (% class="box infomessage" %)
890 890  (((
1043 +(((
891 891  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
892 892  )))
1046 +)))
893 893  
1048 +(((
1049 +
1050 +)))
894 894  
895 -* **Downlink Payload:**
1052 +* (((
1053 +**Downlink Payload:**
1054 +)))
896 896  
1056 +(((
897 897  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 +)))
898 898  
1060 +(((
899 899  **Example:**
1062 +)))
900 900  
901 -* A7 01 00 60   same as AT+BAUDR=9600
902 -* 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 +)))
903 903  
1071 +(((
904 904  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 +)))
905 905  
1075 +(((
906 906  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 +)))
907 907  
908 908  
1080 +
1081 +
909 909  == 3.6 Listening mode for RS485 network ==
910 910  
1084 +(((
911 911  This feature support since firmware v1.4
1086 +)))
912 912  
1088 +(((
913 913  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 +)))
914 914  
915 915  [[image:image-20220602171200-8.png||height="567" width="1007"]]
916 916  
1094 +(((
917 917  To enable the listening mode, use can run the command AT+RXMODE.
1096 +)))
918 918  
1098 +(((
1099 +
1100 +)))
919 919  
920 -(% border="1" style="background-color:#ffffcc; width:500px" %)
921 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
922 -|(% 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.
923 -|(% 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
924 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
925 -|(% 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 +)))
926 926  
1129 +(((
927 927  **Downlink Command:**
1131 +)))
928 928  
1133 +(((
929 929  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 +)))
930 930  
1137 +(((
1138 +
1139 +)))
931 931  
1141 +(((
932 932  **Example**:
1143 +)))
933 933  
1145 +(((
934 934  The RS485-LN is set to AT+RXMODE=2,1000
1147 +)))
935 935  
1149 +(((
936 936  There is a two Modbus commands in the RS485 network as below:
1151 +)))
937 937  
1153 +(((
938 938  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 +)))
939 939  
1157 +(((
940 940  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 +)))
941 941  
1161 +(((
942 942  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 +)))
943 943  
1165 +(((
944 944  [[image:image-20220602171200-9.png]]
1167 +)))
945 945  
1169 +(((
1170 +
1171 +)))
946 946  
1173 +(((
947 947  (% 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 +)))
948 948  
949 949  
950 950  == 3.7 Buttons ==
951 951  
952 952  
953 -(% border="1" style="background-color:#f7faff; width:500px" %)
954 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
955 -|**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**
956 -|**RST**|(% style="width:1420px" %)Reboot RS485
957 -|**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"]]
958 958  
1187 +
1188 +
959 959  == 3.8 LEDs ==
960 960  
961 -(% border="1" style="background-color:#f7faff; width:500px" %)
962 -|=**LEDs**|=**Feature**
963 -|**PWR**|Always on if there is power
964 -|**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.
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.
965 965  
966 966  = 4. Case Study =
967 967  
... ... @@ -972,19 +972,26 @@
972 972  
973 973  == 5.1 Access AT Command ==
974 974  
1205 +(((
975 975  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 +)))
976 976  
977 977  [[image:1654162355560-817.png]]
978 978  
979 979  
1212 +(((
980 980  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 +)))
981 981  
982 982  [[image:1654162368066-342.png]]
983 983  
984 984  
1219 +(((
985 985  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 +)))
986 986  
987 987  
1224 +
988 988  == 5.2 Common AT Command Sequence ==
989 989  
990 990  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1139,7 +1139,6 @@
1139 1139  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1140 1140  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1141 1141  
1142 -
1143 1143  = 9.Packing Info =
1144 1144  
1145 1145  
... ... @@ -1156,7 +1156,6 @@
1156 1156  * Package Size / pcs : 14.5 x 8 x 5 cm
1157 1157  * Weight / pcs : 170g
1158 1158  
1159 -
1160 1160  = 10. FCC Caution for RS485LN-US915 =
1161 1161  
1162 1162  (((

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