Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -316,7 +316,6 @@ 316 316 ))) 317 317 ))) 318 318 319 - 320 320 === 3.3.2 Configure sensors === 321 321 322 322 ((( ... ... @@ -722,7 +722,7 @@ 722 722 ))) 723 723 724 724 ((( 725 - {{{}}}}724 +} 726 726 727 727 728 728 ))) ... ... @@ -736,56 +736,62 @@ 736 736 737 737 == 3.5 Configure RS485-BL via AT or Downlink == 738 738 739 -User can configure RS485-BL via [[AT Commands>>path:#_Using_the_AT]]or LoRaWAN Downlink Commands738 +User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands 740 740 741 741 There are two kinds of Commands: 742 742 743 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands742 +* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 744 744 745 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 744 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 746 746 747 -1. 748 -11. 749 -111. Common Commands: 746 +=== 3.5.1 Common Commands: === 750 750 751 -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: [[ http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]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]] 752 752 753 753 754 -1. 755 -11. 756 -111. Sensor related commands: 751 +=== 3.5.2 Sensor related commands: === 757 757 758 -==== ChooseDeviceType (RS485 or TTL)====753 +==== ==== 759 759 755 +==== **Choose Device Type (RS485 or TTL)** ==== 756 + 760 760 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 761 761 762 -* AT Command 759 +* **AT Command** 763 763 761 +(% class="box infomessage" %) 762 +((( 764 764 **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 764 +))) 765 765 766 +(% class="box infomessage" %) 767 +((( 766 766 **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 769 +))) 767 767 768 768 769 -* Downlink Payload 772 +* **Downlink Payload** 770 770 771 -**0A aa** àsame as AT+MOD=aa774 +**0A aa** ~-~-> same as AT+MOD=aa 772 772 773 773 774 774 775 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====778 +==== **RS485 Debug Command (AT+CFGDEV)** ==== 776 776 777 777 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 778 778 779 -* AT Command 782 +* **AT Command** 780 780 781 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 784 +(% class="box infomessage" %) 785 +((( 786 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 787 +))) 782 782 783 783 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 784 784 785 785 792 +* **Downlink Payload** 786 786 787 -* Downlink Payload 788 - 789 789 Format: A8 MM NN XX XX XX XX YY 790 790 791 791 Where: ... ... @@ -799,15 +799,15 @@ 799 799 800 800 To connect a Modbus Alarm with below commands. 801 801 802 -* 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. 807 +* 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. 803 803 804 -* 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. 809 +* 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. 805 805 806 806 So if user want to use downlink command to control to RS485 Alarm, he can use: 807 807 808 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 813 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 809 809 810 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 815 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 811 811 812 812 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. 813 813 ... ... @@ -816,48 +816,60 @@ 816 816 817 817 Check TTL Sensor return: 818 818 819 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]824 +[[image:1654132684752-193.png]] 820 820 821 821 822 822 828 +==== **Set Payload version** ==== 823 823 824 -==== Set Payload version ==== 825 - 826 826 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. 827 827 828 -* AT Command: 832 +* **AT Command:** 829 829 830 -AT+PAYVER: Set PAYVER field = 1 834 +(% class="box infomessage" %) 835 +((( 836 +**AT+PAYVER: Set PAYVER field = 1** 837 +))) 831 831 832 832 833 -* Downlink Payload: 840 +* **Downlink Payload:** 834 834 835 -0xAE 01 àSet PAYVER field = 0x01842 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 836 836 837 -0xAE 0F àSet PAYVER field = 0x0F844 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 838 838 839 839 840 -==== Set RS485 Sampling Commands ==== 841 841 848 +==== **Set RS485 Sampling Commands** ==== 849 + 842 842 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 843 843 844 -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]].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"]]. 845 845 846 846 847 -* AT Command: 855 +* **AT Command:** 848 848 849 -AT+COMMANDx: Configure RS485 read command to sensor. 857 +(% class="box infomessage" %) 858 +((( 859 +**AT+COMMANDx: Configure RS485 read command to sensor.** 860 +))) 850 850 851 -AT+DATACUTx: Configure how to handle return from RS485 devices. 862 +(% class="box infomessage" %) 863 +((( 864 +**AT+DATACUTx: Configure how to handle return from RS485 devices.** 865 +))) 852 852 853 -AT+SEARCHx: Configure search command 867 +(% class="box infomessage" %) 868 +((( 869 +**AT+SEARCHx: Configure search command** 870 +))) 854 854 855 855 856 -* Downlink Payload: 873 +* **Downlink Payload:** 857 857 858 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 875 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 859 859 860 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 877 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 861 861 862 862 Format: AF MM NN LL XX XX XX XX YY 863 863 ... ... @@ -864,23 +864,23 @@ 864 864 Where: 865 865 866 866 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 867 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 868 -* LL: The length of AT+COMMAND or AT+DATACUT command 884 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 885 +* LL: The length of AT+COMMAND or AT+DATACUT command 869 869 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 870 -* 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. 887 +* 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. 871 871 872 -Example: 889 +**Example:** 873 873 874 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 891 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 875 875 876 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 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** 877 877 878 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 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** 879 879 880 880 881 -0xAB downlink command can be used for set AT+SEARCHx 898 +**0xAB** downlink command can be used for set AT+SEARCHx 882 882 883 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 900 +**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 884 884 885 885 * AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 886 886 * 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 ... ... @@ -888,145 +888,164 @@ 888 888 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 889 889 890 890 891 -==== Fast command to handle MODBUS device ==== 892 892 909 +==== **Fast command to handle MODBUS device** ==== 910 + 893 893 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]]. 894 894 895 895 This command is valid since v1.3 firmware version 896 896 897 897 898 -AT+MBFUN has only two value: 916 +**AT+MBFUN has only two value:** 899 899 900 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 918 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 901 901 902 902 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. 903 903 904 -* AT+MBFUN=0: Disable Modbus fast reading. 922 +* **AT+MBFUN=0**: Disable Modbus fast reading. 905 905 906 -Example: 924 +**Example:** 907 907 908 908 * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 909 909 * 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. 910 910 * 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. 911 911 912 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]930 +[[image:1654133913295-597.png]] 913 913 914 914 915 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]933 +[[image:1654133954153-643.png]] 916 916 917 917 918 -* Downlink Commands: 936 +* **Downlink Commands:** 919 919 920 -A9 aa - àSame as AT+MBFUN=aa938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa 921 921 922 922 923 -==== RS485 command timeout ==== 924 924 942 +==== **RS485 command timeout** ==== 943 + 925 925 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. 926 926 927 927 Default value: 0, range: 0 ~~ 5 seconds 928 928 929 929 930 -* AT Command: 949 +* **AT Command:** 931 931 932 -AT+CMDDLaa=hex(bb cc) 951 +(% class="box infomessage" %) 952 +((( 953 +**AT+CMDDLaa=hex(bb cc)** 954 +))) 933 933 934 -Example: 956 +**Example:** 935 935 936 936 **AT+CMDDL1=1000** to send the open time to 1000ms 937 937 938 938 939 -* Downlink Payload: 961 +* **Downlink Payload:** 940 940 941 941 0x AA aa bb cc 942 942 943 943 Same as: AT+CMDDLaa=hex(bb cc) 944 944 945 - Example: 967 + **Example:** 946 946 947 - 0xAA 01 03 E8 àSame as **AT+CMDDL1=1000 ms**969 + **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 948 948 949 949 950 -==== [[Uplink>>path:#downlink_A8]] payload mode ==== 951 951 973 +==== **Uplink payload mode** ==== 974 + 952 952 Define to use one uplink or multiple uplinks for the sampling. 953 953 954 -The use of this command please see: [[Compose Uplink payload>> path:#DataUP]]977 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 955 955 956 -* AT Command: 979 +* **AT Command:** 957 957 958 -AT+DATAUP=0 981 +(% class="box infomessage" %) 982 +((( 983 +**AT+DATAUP=0** 984 +))) 959 959 960 -AT+DATAUP=1 986 +(% class="box infomessage" %) 987 +((( 988 +**AT+DATAUP=1** 989 +))) 961 961 962 962 963 -* Downlink Payload: 992 +* **Downlink Payload:** 964 964 965 -0xAD 00 àSame as AT+DATAUP=0994 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 966 966 967 -0xAD 01 àSame as AT+DATAUP=1996 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 968 968 969 969 970 -==== Manually trigger an Uplink ==== 971 971 1000 +==== **Manually trigger an Uplink** ==== 1001 + 972 972 Ask device to send an uplink immediately. 973 973 974 -* Downlink Payload: 1004 +* **Downlink Payload:** 975 975 976 -0x08 FF, RS485-BL will immediately send an uplink. 1006 +**0x08 FF**, RS485-BL will immediately send an uplink. 977 977 978 978 979 -==== Clear RS485 Command ==== 980 980 1010 +==== **Clear RS485 Command** ==== 1011 + 981 981 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 982 982 983 983 984 -* AT Command: 1015 +* **AT Command:** 985 985 986 -**AT+CMDEAR=mm,nn** 1017 +(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 987 987 988 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 989 - 990 990 Example screen shot after clear all RS485 commands. 991 991 992 992 993 - 994 994 The uplink screen shot is: 995 995 996 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1024 +[[image:1654134704555-320.png]] 997 997 998 998 999 -* Downlink Payload: 1027 +* **Downlink Payload:** 1000 1000 1001 -0x09 aa bb same as AT+CMDEAR=aa,bb 1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 1002 1002 1003 1003 1004 -==== Set Serial Communication Parameters ==== 1005 1005 1033 +==== **Set Serial Communication Parameters** ==== 1034 + 1006 1006 Set the Rs485 serial communication parameters: 1007 1007 1008 -* AT Command: 1037 +* **AT Command:** 1009 1009 1010 1010 Set Baud Rate: 1011 1011 1012 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1041 +(% class="box infomessage" %) 1042 +((( 1043 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1044 +))) 1013 1013 1046 +Set UART Parity 1014 1014 1015 -Set UART parity 1048 +(% class="box infomessage" %) 1049 +((( 1050 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1051 +))) 1016 1016 1017 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1018 - 1019 - 1020 1020 Set STOPBIT 1021 1021 1022 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1055 +(% class="box infomessage" %) 1056 +((( 1057 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1058 +))) 1023 1023 1024 1024 1025 -* Downlink Payload: 1061 +* **Downlink Payload:** 1026 1026 1027 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1063 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1028 1028 1029 -Example: 1065 +**Example:** 1030 1030 1031 1031 * A7 01 00 60 same as AT+BAUDR=9600 1032 1032 * A7 01 04 80 same as AT+BAUDR=115200 ... ... @@ -1036,80 +1036,76 @@ 1036 1036 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1037 1037 1038 1038 1039 -==== Control output power duration ==== 1040 1040 1076 +==== **Control output power duration** ==== 1077 + 1041 1041 User can set the output power duration before each sampling. 1042 1042 1043 -* AT Command: 1080 +* **AT Command:** 1044 1044 1045 -Example: 1082 +**Example:** 1046 1046 1047 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1084 +**AT+3V3T=1000** ~/~/ 3V3 output power will open 1s before each sampling. 1048 1048 1049 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling. 1086 +**AT+5VT=1000** ~/~/ +5V output power will open 1s before each sampling. 1050 1050 1051 1051 1052 -* LoRaWAN Downlink Command: 1089 +* **LoRaWAN Downlink Command:** 1053 1053 1054 -07 01 aa bb Same as AT+5VT=(aa bb) 1091 +**07 01 aa bb** Same as AT+5VT=(aa bb) 1055 1055 1056 -07 02 aa bb Same as AT+3V3T=(aa bb) 1093 +**07 02 aa bb** Same as AT+3V3T=(aa bb) 1057 1057 1058 1058 1096 +== 3.6 Buttons == 1059 1059 1098 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %) 1099 +|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature** 1100 +|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL 1060 1060 1061 -1. 1062 -11. Buttons 1102 +== 3.7 +3V3 Output == 1063 1063 1064 -|**Button**|**Feature** 1065 -|**RST**|Reboot RS485-BL 1066 - 1067 -1. 1068 -11. +3V3 Output 1069 - 1070 1070 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1071 1071 1072 1072 The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 1073 1073 1074 - 1075 1075 The +3V3 output time can be controlled by AT Command. 1076 1076 1077 -**AT+3V3T=1000** 1078 1078 1079 - Meansset+3v3 valid timetohave 1000ms. So, thereal+3v3output will actually have1000ms + sampling time for other sensors.1111 +(% style="color:#037691" %)**AT+3V3T=1000** 1080 1080 1081 1081 1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1115 + 1082 1082 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1083 1083 1084 1084 1085 -1. 1086 -11. +5V Output 1119 +== 3.8 +5V Output == 1087 1087 1088 1088 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 1089 1089 1090 1090 The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 1091 1091 1092 - 1093 1093 The 5V output time can be controlled by AT Command. 1094 1094 1095 -**AT+5VT=1000** 1096 1096 1097 - Meansset5V valid timetohave 1000ms. So, thereal5Voutput will actually have1000ms + sampling time for other sensors.1128 +(% style="color:#037691" %)**AT+5VT=1000** 1098 1098 1099 1099 1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors. 1132 + 1100 1100 By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 1101 1101 1102 1102 1136 +== 3.9 LEDs == 1103 1103 1138 +(% border="1" style="background-color:#ffffcc; color:green; width:332px" %) 1139 +|=**LEDs**|=(% style="width: 274px;" %)**Feature** 1140 +|**LED1**|(% style="width:274px" %)Blink when device transmit a packet. 1104 1104 1105 -1. 1106 -11. LEDs 1107 1107 1108 -|**LEDs**|**Feature** 1109 -|**LED1**|Blink when device transmit a packet. 1110 1110 1111 -1. 1112 -11. Switch Jumper 1144 +== 3.10 Switch Jumper == 1113 1113 1114 1114 |**Switch Jumper**|**Feature** 1115 1115 |**SW1**|(((
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