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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: 0.05Kg
US$4.99
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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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* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.

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