Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -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 ((( ... ... @@ -495,35 +495,33 @@ 495 495 496 496 == 3.4 Uplink Payload == 497 497 504 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 505 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 506 +|Value|(% style="width:120px" %)((( 507 +Battery(mV) 498 498 499 - [[image:image-20220606110929-1.png]]509 +& 500 500 511 +Interrupt _Flag 512 +)))|(% style="width:116px" %)((( 513 +PAYLOAD_VER 514 + 515 + 516 +)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 517 + 501 501 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 502 502 503 503 504 504 == 3.5 Configure RS485-BL via AT or Downlink == 505 505 506 -((( 507 507 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 508 -))) 509 509 510 -((( 511 511 There are two kinds of Commands: 512 -))) 513 513 514 -* ((( 515 -(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 516 -))) 527 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 517 517 518 -* ((( 519 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 520 -))) 529 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 521 521 522 -((( 523 - 524 -))) 525 - 526 - 527 527 === 3.5.1 Common Commands === 528 528 529 529 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] ... ... @@ -542,282 +542,142 @@ 542 542 543 543 544 544 545 - 546 546 ==== **RS485 Debug Command** ==== 547 547 548 -((( 549 549 This command is used to configure the RS485 devices; they won’t be used during sampling. 550 -))) 551 551 552 -* ((( 553 -**AT Command** 554 -))) 553 +* **AT Command** 555 555 556 556 (% class="box infomessage" %) 557 557 ((( 558 -((( 559 559 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 560 560 ))) 561 -))) 562 562 563 -((( 564 564 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 565 -))) 566 566 567 -* ((( 568 -**Downlink Payload** 569 -))) 562 +* **Downlink Payload** 570 570 571 -((( 572 572 Format: A8 MM NN XX XX XX XX YY 573 -))) 574 574 575 -((( 576 576 Where: 577 -))) 578 578 579 -* ((( 580 -MM: 1: add CRC-16/MODBUS ; 0: no CRC 581 -))) 582 -* ((( 583 -NN: The length of RS485 command 584 -))) 585 -* ((( 586 -XX XX XX XX: RS485 command total NN bytes 587 -))) 588 -* ((( 589 -((( 590 -YY: How many bytes will be uplink from the return of this RS485 command, 591 -))) 568 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC 569 +* NN: The length of RS485 command 570 +* XX XX XX XX: RS485 command total NN bytes 571 +* YY: How many bytes will be uplink from the return of this RS485 command, 572 +** if YY=0, RS485-LN will execute the downlink command without uplink; 573 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 574 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 592 592 593 -* ((( 594 -if YY=0, RS485-LN will execute the downlink command without uplink; 595 -))) 596 -* ((( 597 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 598 -))) 599 -* ((( 600 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 601 -))) 602 -))) 603 - 604 -((( 605 605 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 606 -))) 607 607 608 -((( 609 609 To connect a Modbus Alarm with below commands. 610 -))) 611 611 612 -* ((( 613 -The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 614 -))) 580 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 615 615 616 -* ((( 617 -The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 618 -))) 582 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 619 619 620 -((( 621 621 So if user want to use downlink command to control to RS485 Alarm, he can use: 622 -))) 623 623 624 -((( 625 625 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 626 -))) 627 627 628 -((( 629 629 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 630 -))) 631 631 632 -((( 633 633 A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output. 634 -))) 635 635 636 -((( 637 - 638 -))) 639 639 640 -((( 641 641 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 642 -))) 643 643 644 -((( 645 645 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 646 -))) 647 647 648 -((( 649 - 650 -))) 651 651 652 -((( 653 653 RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is: 654 -))) 655 655 656 -((( 657 657 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 658 -))) 659 659 660 -((( 661 661 [[image:1654159460680-153.png]] 662 -))) 663 663 664 664 665 665 666 - 667 667 ==== **Set Payload version** ==== 668 668 669 -((( 670 670 This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 671 -))) 672 672 673 -* ((( 674 -**AT Command:** 675 -))) 610 +* **AT Command:** 676 676 677 677 (% class="box infomessage" %) 678 678 ((( 679 -((( 680 680 **AT+PAYVER: Set PAYVER field = 1** 681 681 ))) 682 -))) 683 683 684 -* ((( 685 -**Downlink Payload:** 686 -))) 617 +* **Downlink Payload:** 687 687 688 -((( 689 689 **0xAE 01** ~-~-> Set PAYVER field = 0x01 690 -))) 691 691 692 -((( 693 693 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 694 -))) 695 695 696 696 697 697 698 - 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 -))) 632 +* **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 -))) 645 +* **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 -))) 655 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 656 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 657 +* LL: The length of AT+COMMAND or AT+DATACUT command 658 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command 659 +* 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 -))) 682 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 683 +* 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. 684 +* 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 ... ... @@ -825,374 +825,201 @@ 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 -))) 698 +* **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 -))) 710 +* **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 -))) 728 +* **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 -))) 741 +* **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 -))) 753 +* **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 -))) 758 +* **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 -))) 768 +* **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 -))) 782 +* **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 -))) 792 +* **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 -))) 816 +* **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 -))) 822 +* A7 01 00 60 same as AT+BAUDR=9600 823 +* 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 -))) 841 +(% border="1" style="background-color:#ffffcc; width:500px" %) 842 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 843 +|(% 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. 844 +|(% 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 845 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 846 +|(% 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 RS4851185 -| (% style="width:30px" %)**PRO**|(% style="width:355px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]874 +(% border="1" style="background-color:#f7faff; width:500px" %) 875 +|=**Button**|=(% style="width: 1420px;" %)**Feature** 876 +|**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** 877 +|**RST**|(% style="width:1420px" %)Reboot RS485 878 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1186 1186 1187 - 1188 1188 == 3.8 LEDs == 1189 1189 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 power1193 -| (% 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(%%).882 +(% border="1" style="background-color:#f7faff; width:500px" %) 883 +|=**LEDs**|=**Feature** 884 +|**PWR**|Always on if there is power 885 +|**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 1194 1195 - 1196 1196 = 4. Case Study = 1197 1197 1198 1198 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]] ... ... @@ -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) === ... ... @@ -1295,23 +1295,13 @@ 1295 1295 1296 1296 == 6.1 How to upgrade the image? == 1297 1297 1298 -((( 1299 1299 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1300 -))) 1301 1301 1302 -* ((( 1303 -Support new features 1304 -))) 1305 -* ((( 1306 -For bug fix 1307 -))) 1308 -* ((( 1309 -Change LoRaWAN bands. 1310 -))) 984 +* Support new features 985 +* For bug fix 986 +* Change LoRaWAN bands. 1311 1311 1312 -((( 1313 1313 Below shows the hardware connection for how to upload an image to RS485-LN: 1314 -))) 1315 1315 1316 1316 [[image:1654162535040-878.png]] 1317 1317 ... ... @@ -1386,6 +1386,7 @@ 1386 1386 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1387 1387 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1388 1388 1063 + 1389 1389 = 9.Packing Info = 1390 1390 1391 1391 ... ... @@ -1402,6 +1402,7 @@ 1402 1402 * Package Size / pcs : 14.5 x 8 x 5 cm 1403 1403 * Weight / pcs : 170g 1404 1404 1080 + 1405 1405 = 10. FCC Caution for RS485LN-US915 = 1406 1406 1407 1407 (((