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

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

SKU:CE039_12V

1000 in stock

Regular price $12.99
Regular price $23.98 Sale price $12.99
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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)
 
 
 
 
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