DC 12V 4Ch RS232 DB9 Relay SCM PC USB UART DB9 Remote Control Switch PLC Motor

Description: Product Name: DC 12V 4Ch RS232 Relay Board SCM PC USB UART DB9 Remote Control Switch PLC Motor You might need accessories : USB to RS232; Module No.: CE039 Package inlcuded: 1 x DC 12V 4Ch RS232 Relay Board Printing of PCB board is wrong, the correct printing is: NO4 COM4 NC4 NO3 COM3 NC3 NO2 COM2 NC2 NO1 COM1 NC1 Description: 4 Channel Relay Module; Power input: DC 12V(8.5-13.5V). Standby current (all relays closed) 18MA, 1 relay open 50MA, 2 relays open 81MA, 3 relays open 110MA, 4 relays open 140MA 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 : 90mm*47mm*19mm Weight : 62g 1 Control commands: 1.Reading status(reading the satus of the relay (on/off) 55 56 00 00 00 00 00 AB 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 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; Typial application : 1 DC 12V control circuit,Wiring diagram below. "LOAD" may be LED lights, fans, motors and other DC 12V equipment 2 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 equipment 3 DC 1-100V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). "LOAD" may be Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment Test Software:(Only support win xp (32/62) win 7 (32/62) Operating System)

Price: 6.99 USD

Location: Guangzhou

End Time: 2023-09-17T00:40:01.000Z

Shipping Cost: 0 USD