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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... ... @@ -669,6 +669,7 @@ 669 669 670 670 671 671 672 + 672 672 ==== **Set Payload version** ==== 673 673 674 674 ((( ... ... @@ -703,64 +703,126 @@ 703 703 704 704 ==== **Set RS485 Sampling Commands** ==== 705 705 707 +((( 706 706 AT+COMMANDx or AT+DATACUTx 709 +))) 707 707 711 +((( 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"]]. 713 +))) 709 709 715 +((( 716 + 717 +))) 710 710 711 -* **AT Command:** 719 +* ((( 720 +**AT Command:** 721 +))) 712 712 713 713 (% class="box infomessage" %) 714 714 ((( 725 +((( 715 715 **AT+COMMANDx: Configure RS485 read command to sensor.** 716 716 ))) 728 +))) 717 717 718 718 (% class="box infomessage" %) 719 719 ((( 732 +((( 720 720 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 721 721 ))) 735 +))) 722 722 737 +((( 738 + 739 +))) 723 723 724 -* **Downlink Payload:** 741 +* ((( 742 +**Downlink Payload:** 743 +))) 725 725 745 +((( 726 726 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 747 +))) 727 727 749 +((( 728 728 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 751 +))) 729 729 753 +((( 730 730 Format: AF MM NN LL XX XX XX XX YY 755 +))) 731 731 757 +((( 732 732 Where: 759 +))) 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. 761 +* ((( 762 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 763 +))) 764 +* ((( 765 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 766 +))) 767 +* ((( 768 +LL: The length of AT+COMMAND or AT+DATACUT command 769 +))) 770 +* ((( 771 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 772 +))) 773 +* ((( 774 +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. 775 +))) 739 739 777 +((( 740 740 **Example:** 779 +))) 741 741 781 +((( 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 01,1 783 +))) 743 743 785 +((( 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** 787 +))) 745 745 789 +((( 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** 791 +))) 747 747 748 748 749 749 795 + 750 750 ==== **Fast command to handle MODBUS device** ==== 751 751 798 +((( 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]]. 800 +))) 753 753 802 +((( 754 754 This command is valid since v1.3 firmware version 804 +))) 755 755 806 +((( 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. 808 +))) 757 757 810 +((( 811 + 812 +))) 758 758 814 +((( 759 759 **Example:** 816 +))) 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. 818 +* ((( 819 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 820 +))) 821 +* ((( 822 +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. 823 +))) 824 +* ((( 825 +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. 826 +))) 764 764 765 765 [[image:image-20220602165351-6.png]] 766 766 ... ... @@ -768,63 +768,110 @@ 768 768 769 769 770 770 834 + 771 771 ==== **RS485 command timeout** ==== 772 772 837 +((( 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. 839 +))) 774 774 841 +((( 775 775 Default value: 0, range: 0 ~~ 65 seconds 843 +))) 776 776 777 -* **AT Command:** 845 +* ((( 846 +**AT Command:** 847 +))) 778 778 779 779 (% class="box infomessage" %) 780 780 ((( 851 +((( 781 781 **AT+CMDDLaa=hex(bb cc)*1000** 782 782 ))) 854 +))) 783 783 856 +((( 784 784 **Example:** 858 +))) 785 785 860 +((( 786 786 **AT+CMDDL1=1000** to send the open time to 1000ms 862 +))) 787 787 864 +((( 865 + 866 +))) 788 788 789 -* **Downlink Payload:** 868 +* ((( 869 +**Downlink Payload:** 870 +))) 790 790 872 +((( 791 791 **0x AA aa bb cc** 874 +))) 792 792 876 +((( 793 793 Same as: AT+CMDDLaa=hex(bb cc)*1000 878 +))) 794 794 880 +((( 795 795 **Example:** 882 +))) 796 796 884 +((( 797 797 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 886 +))) 798 798 799 799 800 800 890 + 801 801 ==== **Uplink payload mode** ==== 802 802 893 +((( 803 803 Define to use one uplink or multiple uplinks for the sampling. 895 +))) 804 804 897 +((( 805 805 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 899 +))) 806 806 807 -* **AT Command:** 901 +* ((( 902 +**AT Command:** 903 +))) 808 808 809 809 (% class="box infomessage" %) 810 810 ((( 907 +((( 811 811 **AT+DATAUP=0** 812 812 ))) 910 +))) 813 813 814 814 (% class="box infomessage" %) 815 815 ((( 914 +((( 816 816 **AT+DATAUP=1** 817 817 ))) 917 +))) 818 818 919 +((( 920 + 921 +))) 819 819 820 -* **Downlink Payload:** 923 +* ((( 924 +**Downlink Payload:** 925 +))) 821 821 927 +((( 822 822 **0xAD 00** **~-~->** Same as AT+DATAUP=0 929 +))) 823 823 931 +((( 824 824 **0xAD 01** **~-~->** Same as AT+DATAUP=1 933 +))) 825 825 826 826 827 827 937 + 828 828 ==== **Manually trigger an Uplink** ==== 829 829 830 830 Ask device to send an uplink immediately. ... ... @@ -840,20 +840,36 @@ 840 840 841 841 842 842 953 + 843 843 ==== **Clear RS485 Command** ==== 844 844 956 +((( 845 845 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 958 +))) 846 846 847 -* **AT Command:** 960 +* ((( 961 +**AT Command:** 962 +))) 848 848 964 +((( 849 849 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 966 +))) 850 850 968 +((( 851 851 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 970 +))) 852 852 972 +((( 853 853 Example screen shot after clear all RS485 commands. 974 +))) 854 854 976 +((( 977 + 978 +))) 855 855 980 +((( 856 856 The uplink screen shot is: 982 +))) 857 857 858 858 [[image:1654160691922-496.png]] 859 859 ... ... @@ -864,6 +864,7 @@ 864 864 865 865 866 866 993 + 867 867 ==== **Set Serial Communication Parameters** ==== 868 868 869 869 Set the Rs485 serial communication parameters: