R227A01 2 IN 1 RS232 TTL232 Interface Serial Port Relay UART Switch PC USB MCU For Smart Home Garage Door Car Alarm Farm Motor

R227A01 2 IN 1 RS232 TTL232 Interface Serial Port Relay UART Switch PC USB MCU For Smart Home Garage Door Car Alarm Farm Motor

  • Model: R227A01
  • Availability: In stock
  • Weight: 0.023Kg
$7.93
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Product Name:2 IN 1 RS232 TTL232 Interface Serial Port Relay UART Switch PC USB MCU For Smart Home Garage Door Car Alarm Farm Motor

 
 
 
Package inlcuded:
1 pcs 1 channel DC 12V RS232 Relay Board
 
 
 
 
Description:
 
 
1 Channel UART Relay Module;
 
Working voltage : DC 12V.
 
Standby current (Relays closed) 17MA, relay open 48MA
 
PC Serial ports RS232 Control Relay(RXD TXD GND),TTL232(5V R T GND)
 
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 : 50mm*30mm*17mm
 
Weight : 18g
 
 
 
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

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
 
 
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

 
5. Relay momentary(Relay COM connect to NO,disconnect after 200MS)
 

Channel 1 : 55 56 00 00 00 01 04 B0


6. Relay Interlock

Channel 1 : 55 56 00 00 00 01 05 B1

 
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

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

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;
PLC
 
 
 
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
 
 
 

 

 
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