DC 5V 7.5V 9V 2Ch RS232 relékártya távirányító USB PC UART COM soros portok
DC 5V 7.5V 9V 2Ch RS232 Relay Board Remote Control USB PC UART COM Serial Ports
Typial application :
1 DC 5V control circuit,Wiring diagram below. ''LOAD'' may be LED lights, fans, motors and other AC DC equipment
 
 
 
2 DC 7-12V(7.5V 9V) control circuit,Wiring diagram below ''LOAD'' may be LED lights, fans, motors and other DC AC equipment
 
 
 
 
 
 
 
 
 
 
Package inlcuded:  1 x DC 5V-12V 2Ch RS232 Relay Board:
 
 
 
Description:
 
2 Channel Relay Module;
 
Power input: DC 5V/ 7-12V(Recommed 7.5V 9V)
 
PC Serial ports RS232 Control Relay;
 
Power indicator: LED lights ;
Output indication: relay output with LED indicators, easy to see working status of the relay ;
Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Two-way data transmission.
 
Baud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes..
 
Size : 71x47mm x 19
Weight : 45g
 
1 Control commands:
1. Reading status（reading the satus of the relay (on/off)）
Channel 1 :55 56 00 00 00 01 00 AC
Channel 2 :55 56 00 00 00 02 00 AD
Channel 3 :55 56 00 00 00 03 00 AE
Channel 4 :55 56 00 00 00 04 00 AF
 
2. Relay open (issue this command ,Relay open , COM connect to NO ）
Channel 1 :55 56 00 00 00 01 01 AD
Channel 2 :55 56 00 00 00 02 01 AE
Channel 3 :55 56 00 00 00 03 01 AF
Channel 4 :55 56 00 00 00 04 01 B0
 
 
3. Relay close (issue this command ,Relay close , COM disconnect NO , and COM connect to NC ）
Channel 1 :55 56 00 00 00 01 02 AE
Channel 2 :55 56 00 00 00 02 02 AF
Channel 3 :55 56 00 00 00 03 02 B0
Channel 4 :55 56 00 00 00 04 02 B1
4. Relay toggle（Relay status reversal,if COM connect to NO,this commands will Disconnect COM to NO and Reverse COM connect to NC,and vice versa）
Channel 1 :55 56 00 00 00 01 03 AF
Channel 2 :55 56 00 00 00 02 03 B0
Channel 3 :55 56 00 00 00 03 03 B1
Channel 4 :55 56 00 00 00 04 03 B2
 
5. Relay momentary（Relay COM connect to NO,disconnect after 200MS ）
Channel 1 :55 56 00 00 00 01 04 B0
Channel 2 :55 56 00 00 00 02 04 B1
Channel 3 :55 56 00 00 00 03 04 B2
Channel 4 :55 56 00 00 00 04 04 B3
6.Relay Interlock
Channel 1 :55 56 00 00 00 01 05 B1
Channel 2 :55 56 00 00 00 02 05 B2
Channel 3 :55 56 00 00 00 03 05 B3
Channel 4 :55 56 00 00 00 04 05 B4
Once issue a command, will have a return fame , 7th byte of return fame mean the satus of realy .
 
2 return command
 
1.Return relay open（return this command,mean COM connect to NO ）
Channel 1 :33 3C 00 00 00 01 01 71
Channel 2 :33 3C 00 00 00 02 01 72
Channel 3 :33 3C 00 00 00 03 01 73
Channel 4 :33 3C 00 00 00 04 01 74
 
2.Return relay close（return this command,mean COM disconnect NO , and COM connect to NC ）
Channel 1 :33 3C 00 00 00 01 02 72
Channel 2 :33 3C 00 00 00 02 02 73
Channel 3 :33 3C 00 00 00 03 02 74
Channel 4 :33 3C 00 00 00 04 02 75
 
Instruction manual Please ask us after the purchase
 
 
Application
Remote control, remote measurement system;
Wireless meter;
 
Smart Home,Home Automation ,Wiser Home;
Access control ;
Identification system;
Data collection;
IT household appliance;
Intelligence household appliance;
Baby monitoring system;
 
 
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