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TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module

TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module

  • Model: TB351
  • Availability: In stock
  • Weight: 0.05Kg
$7.99
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Product Name:DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module
 
 
 
Package inlcuded:
1 xDC 12V 2Ch RS232 Relay Board(DB9 Female/Male Interface)
 
 
Description:
 
2 Channel DB9(Female /Male)RS232 Relay Module;
 
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 transmission.
 
Baud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes.
 
PCB Size : 71x47mm

Note: There are two types of DB9 interfaces. Please choose the correct DB9 interface.
 
 
1 Control commands:
 
1. Reading status(reading the satus of the relay (on/off))
 
0x55 0x56 0x00 0x00 0x00 0x00 0x00 0xAB
 
 
2.Relay open (issue this command,Relay open,COM connect to NO)
 
Channel 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x01 0xAD
Channel 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x01 0xAE
 
 
3. Relay close (issue this command,Relay close,COM disconnect NO,and COM connect to NC)
 
Channel 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x02 0xAE
Channel 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x02 0xAF
 
 
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 : 0x55 0x56 0x00 0x00 0x00 0x01 0x03 0xAF
Channel 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x03 0xB0
 
 
5. Relay momentary(Relay COM connect to NO,disconnect after 200MS)
 
Channel 1 : 0x55 0x56 0x00 0x00 0x00 0x01 0x04 0xB0
Channel 2 : 0x55 0x56 0x00 0x00 0x00 0x02 0x04 0xB1
 
 
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 : 0x33 0x3C 0x00 0x00 0x00 0x01 0x01 0x71
Channel 2 : 0x33 0x3C 0x00 0x00 0x00 0x02 0x01 0x72
 
 
2.Return relay close(return this command,mean COM disconnect NO , and COM connect to NC)
 
Channel 1 : 0x33 0x3C 0x00 0x00 0x00 0x01 0x02 0x72
Channel 2 : 0x33 0x3C 0x00 0x00 0x00 0x02 0x02 0x73
 
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;

 
Typial application :
 
 
DC 1-110V 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
 
 
 
 
 
Test Software:(Only support win xp (32/62) win 7 (32/62) Operating System)
 
 

 

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* Delivery Time.
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* 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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