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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... ... @@ -795,18 +795,35 @@ 795 795 796 796 ==== **Fast command to handle MODBUS device** ==== 797 797 798 +((( 798 798 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 +))) 799 799 802 +((( 800 800 This command is valid since v1.3 firmware version 804 +))) 801 801 806 +((( 802 802 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 +))) 803 803 810 +((( 811 + 812 +))) 804 804 814 +((( 805 805 **Example:** 816 +))) 806 806 807 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 808 -* 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. 809 -* 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 +))) 810 810 811 811 [[image:image-20220602165351-6.png]] 812 812 ... ... @@ -816,61 +816,106 @@ 816 816 817 817 ==== **RS485 command timeout** ==== 818 818 836 +((( 819 819 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 +))) 820 820 840 +((( 821 821 Default value: 0, range: 0 ~~ 65 seconds 842 +))) 822 822 823 -* **AT Command:** 844 +* ((( 845 +**AT Command:** 846 +))) 824 824 825 825 (% class="box infomessage" %) 826 826 ((( 850 +((( 827 827 **AT+CMDDLaa=hex(bb cc)*1000** 828 828 ))) 853 +))) 829 829 855 +((( 830 830 **Example:** 857 +))) 831 831 859 +((( 832 832 **AT+CMDDL1=1000** to send the open time to 1000ms 861 +))) 833 833 863 +((( 864 + 865 +))) 834 834 835 -* **Downlink Payload:** 867 +* ((( 868 +**Downlink Payload:** 869 +))) 836 836 871 +((( 837 837 **0x AA aa bb cc** 873 +))) 838 838 875 +((( 839 839 Same as: AT+CMDDLaa=hex(bb cc)*1000 877 +))) 840 840 879 +((( 841 841 **Example:** 881 +))) 842 842 883 +((( 843 843 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 885 +))) 844 844 845 845 846 846 847 847 ==== **Uplink payload mode** ==== 848 848 891 +((( 849 849 Define to use one uplink or multiple uplinks for the sampling. 893 +))) 850 850 895 +((( 851 851 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 897 +))) 852 852 853 -* **AT Command:** 899 +* ((( 900 +**AT Command:** 901 +))) 854 854 855 855 (% class="box infomessage" %) 856 856 ((( 905 +((( 857 857 **AT+DATAUP=0** 858 858 ))) 908 +))) 859 859 860 860 (% class="box infomessage" %) 861 861 ((( 912 +((( 862 862 **AT+DATAUP=1** 863 863 ))) 915 +))) 864 864 917 +((( 918 + 919 +))) 865 865 866 -* **Downlink Payload:** 921 +* ((( 922 +**Downlink Payload:** 923 +))) 867 867 925 +((( 868 868 **0xAD 00** **~-~->** Same as AT+DATAUP=0 927 +))) 869 869 929 +((( 870 870 **0xAD 01** **~-~->** Same as AT+DATAUP=1 931 +))) 871 871 872 872 873 873 935 + 874 874 ==== **Manually trigger an Uplink** ==== 875 875 876 876 Ask device to send an uplink immediately.