Tb351 2ch Dc 12v Serial Port Relay Module Pc Computer Usb Rs232 Db9 Rs485 Uart e Control Switch Board

Product Name:Tb351 2ch Dc 12v Serial Port Relay Module Pc Computer Usb Rs232 Db9 Rs485 Uart e Control Switch BoardPackage inlcuded:1 x DC 12V 2Ch RS232 Relay BoardDescrtion:2 Relay Module;2 Power input: DC 12V(8.5-13.5V).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 nsmiion.Baud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Size : 71x47mm1 Control commands:1. Reading status(reading the satus of the relay (on/off))0x55 0x56 0x00 0x00 0x00 0x00 0x00 0xAB2.Relay open (iue this command,Relay open,COM connect to NO) 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x01 0xAD 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x01 0xAE3. Relay close (iue this command,Relay close,COM disconnect NO,and COM connect to NC) 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x02 0xAE 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x02 0xAF4. Relay tole(Relay status reversal,if COM connect to NO,this commands will Disconnect COM to NO and Re COM connect to NC,and vice versa) 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x03 0xAF 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x03 0xB05. Relay momentary(Relay COM connect to NO,disconnect ar 200MS) 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x04 0xB0 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x04 0xB1Once iue a command,will have a return fame,7th byte of return fame mean the satus of realy.2 return command1.Return relay open(return this command,mean COM connect to NO) 1 : 0x33 0x3C 0x00 0x00 0x00 0x01 0x01 0x71 2 : 0x33 0x3C 0x00 0x00 0x00 0x02 0x01 0x722.Return relay close(return this command,mean COM disconnect NO , and COM connect to NC) 1 : 0x33 0x3C 0x00 0x00 0x00 0x01 0x02 0x72 2 : 0x33 0x3C 0x00 0x00 0x00 0x02 0x02 0x73Instruction manual Please ask us ar the purchaseApplicatione control, e measurement system;Wirele meter;Smart Home,Home Automation ,Wiser Home;Acce control;Identification system;Data collection;IT hohold appliance;Intelligence hohold appliance;Baby ing system;Typial application :1 DC 12V control circuit,Wiring diagram below. ''LOAD'' may be LED lights, fans, motors andother DC 12V equment2 DC 1-48V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). ''LOAD'' may be LED lights, fans, motors and other DC AC equmentTest :(Only support win xp (32/62) win 7 (32/62) Operating System)