Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -743,6 +743,8 @@ 743 743 744 744 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 745 745 746 + 747 + 746 746 === 3.5.1 Common Commands: === 747 747 748 748 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]] ... ... @@ -800,6 +800,7 @@ 800 800 * XX XX XX XX: RS485 command total NN bytes 801 801 * YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 802 802 805 + 803 803 **Example 1:** 804 804 805 805 To connect a Modbus Alarm with below commands. ... ... @@ -849,32 +849,23 @@ 849 849 850 850 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 851 851 852 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>> ||anchor="H3.3.3Configurereadcommandsforeachsampling"]].855 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]]. 853 853 854 854 855 -* **AT Command:**858 +* AT Command: 856 856 857 -(% class="box infomessage" %) 858 -((( 859 -**AT+COMMANDx: Configure RS485 read command to sensor.** 860 -))) 860 +AT+COMMANDx: Configure RS485 read command to sensor. 861 861 862 -(% class="box infomessage" %) 863 -((( 864 -**AT+DATACUTx: Configure how to handle return from RS485 devices.** 865 -))) 862 +AT+DATACUTx: Configure how to handle return from RS485 devices. 866 866 867 -(% class="box infomessage" %) 868 -((( 869 -**AT+SEARCHx: Configure search command** 870 -))) 864 +AT+SEARCHx: Configure search command 871 871 872 872 873 -* **Downlink Payload:**867 +* Downlink Payload: 874 874 875 - **0xAF**downlink command can be used to set AT+COMMANDx or AT+DATACUTx.869 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 876 876 877 - (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.871 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 878 878 879 879 Format: AF MM NN LL XX XX XX XX YY 880 880 ... ... @@ -881,23 +881,23 @@ 881 881 Where: 882 882 883 883 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 884 -* NN: 885 -* LL: 878 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 879 +* LL: The length of AT+COMMAND or AT+DATACUT command 886 886 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 887 -* YY: 881 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 888 888 889 - **Example:**883 +Example: 890 890 891 - (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1885 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 892 892 893 - (% 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**887 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 894 894 895 - (% 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**889 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 896 896 897 897 898 - **0xAB**downlink command can be used for set AT+SEARCHx892 +0xAB downlink command can be used for set AT+SEARCHx 899 899 900 - **Example:****AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So894 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 901 901 902 902 * AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 903 903 * AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands ... ... @@ -905,41 +905,38 @@ 905 905 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 906 906 907 907 902 +==== Fast command to handle MODBUS device ==== 908 908 909 -==== **Fast command to handle MODBUS device** ==== 910 - 911 911 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]]. 912 912 913 913 This command is valid since v1.3 firmware version 914 914 915 915 916 - **AT+MBFUN has only two value:**909 +AT+MBFUN has only two value: 917 917 918 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return911 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 919 919 920 920 AT+MBFUN=1, device 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. 921 921 922 -* **AT+MBFUN=0**: Disable Modbus fast reading.915 +* AT+MBFUN=0: Disable Modbus fast reading. 923 923 917 +Example: 924 924 925 -**Example:** 926 - 927 927 * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 928 928 * 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. 929 929 * 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. 930 930 931 -[[image: 1654133913295-597.png]]923 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 932 932 933 933 934 -[[image: 1654133954153-643.png]]926 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]] 935 935 936 936 937 -* **Downlink Commands:**929 +* Downlink Commands: 938 938 939 - **A9 aa**~-~->Same as AT+MBFUN=aa931 +A9 aa -à Same as AT+MBFUN=aa 940 940 941 941 942 - 943 943 ==== RS485 command timeout ==== 944 944 945 945 Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
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