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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... ... @@ -704,64 +704,126 @@ 704 704 705 705 ==== **Set RS485 Sampling Commands** ==== 706 706 707 +((( 707 707 AT+COMMANDx or AT+DATACUTx 709 +))) 708 708 711 +((( 709 709 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 +))) 710 710 715 +((( 716 + 717 +))) 711 711 712 -* **AT Command:** 719 +* ((( 720 +**AT Command:** 721 +))) 713 713 714 714 (% class="box infomessage" %) 715 715 ((( 725 +((( 716 716 **AT+COMMANDx: Configure RS485 read command to sensor.** 717 717 ))) 728 +))) 718 718 719 719 (% class="box infomessage" %) 720 720 ((( 732 +((( 721 721 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 722 722 ))) 735 +))) 723 723 737 +((( 738 + 739 +))) 724 724 725 -* **Downlink Payload:** 741 +* ((( 742 +**Downlink Payload:** 743 +))) 726 726 745 +((( 727 727 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 747 +))) 728 728 749 +((( 729 729 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 751 +))) 730 730 753 +((( 731 731 Format: AF MM NN LL XX XX XX XX YY 755 +))) 732 732 757 +((( 733 733 Where: 759 +))) 734 734 735 -* 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. 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 +))) 740 740 777 +((( 741 741 **Example:** 779 +))) 742 742 781 +((( 743 743 (% 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 +))) 744 744 785 +((( 745 745 (% 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 +))) 746 746 789 +((( 747 747 (% 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 +))) 748 748 749 749 750 750 795 + 751 751 ==== **Fast command to handle MODBUS device** ==== 752 752 798 +((( 753 753 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 +))) 754 754 802 +((( 755 755 This command is valid since v1.3 firmware version 804 +))) 756 756 806 +((( 757 757 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 +))) 758 758 810 +((( 811 + 812 +))) 759 759 814 +((( 760 760 **Example:** 816 +))) 761 761 762 -* 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. 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 +))) 765 765 766 766 [[image:image-20220602165351-6.png]] 767 767 ... ... @@ -771,61 +771,106 @@ 771 771 772 772 ==== **RS485 command timeout** ==== 773 773 836 +((( 774 774 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. 838 +))) 775 775 840 +((( 776 776 Default value: 0, range: 0 ~~ 65 seconds 842 +))) 777 777 778 -* **AT Command:** 844 +* ((( 845 +**AT Command:** 846 +))) 779 779 780 780 (% class="box infomessage" %) 781 781 ((( 850 +((( 782 782 **AT+CMDDLaa=hex(bb cc)*1000** 783 783 ))) 853 +))) 784 784 855 +((( 785 785 **Example:** 857 +))) 786 786 859 +((( 787 787 **AT+CMDDL1=1000** to send the open time to 1000ms 861 +))) 788 788 863 +((( 864 + 865 +))) 789 789 790 -* **Downlink Payload:** 867 +* ((( 868 +**Downlink Payload:** 869 +))) 791 791 871 +((( 792 792 **0x AA aa bb cc** 873 +))) 793 793 875 +((( 794 794 Same as: AT+CMDDLaa=hex(bb cc)*1000 877 +))) 795 795 879 +((( 796 796 **Example:** 881 +))) 797 797 883 +((( 798 798 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 885 +))) 799 799 800 800 801 801 802 802 ==== **Uplink payload mode** ==== 803 803 891 +((( 804 804 Define to use one uplink or multiple uplinks for the sampling. 893 +))) 805 805 895 +((( 806 806 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 897 +))) 807 807 808 -* **AT Command:** 899 +* ((( 900 +**AT Command:** 901 +))) 809 809 810 810 (% class="box infomessage" %) 811 811 ((( 905 +((( 812 812 **AT+DATAUP=0** 813 813 ))) 908 +))) 814 814 815 815 (% class="box infomessage" %) 816 816 ((( 912 +((( 817 817 **AT+DATAUP=1** 818 818 ))) 915 +))) 819 819 917 +((( 918 + 919 +))) 820 820 821 -* **Downlink Payload:** 921 +* ((( 922 +**Downlink Payload:** 923 +))) 822 822 925 +((( 823 823 **0xAD 00** **~-~->** Same as AT+DATAUP=0 927 +))) 824 824 929 +((( 825 825 **0xAD 01** **~-~->** Same as AT+DATAUP=1 931 +))) 826 826 827 827 828 828 935 + 829 829 ==== **Manually trigger an Uplink** ==== 830 830 831 831 Ask device to send an uplink immediately.