3pcs DC 12V RS232 Serial Port Delay Relay Switch Module PC COM DB9 ARM MCU UART Remote Control Board

Description: 

     

- Working voltage: 12V 

- (DC12V)Standby current (all relays closed) 16MA, relay open 47MA, 

- Two serial ports: RS232 DB9 interface, TTL 232 interface

- ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay''(Only AT command)  6 Commands

- Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch.

- Under the ''Delay'' command ,the maximum delay is 9999 seconds(Only AT command)

- Size: 56.5 *31.5 * 17.5mm

- Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC

 

Glossary:

 

NO: Relay normally open contact

COM: Relay common contact

NC: Relay normally closed contact

Open: NO connection COM, NC disconnect COM

Close: NO disconnect COM, NC connection COM

Momentary : Enter the Momentary command, the Rreceiver Relay is Open, delay of 0.5 seconds after, Relay is Close;

Toggle  : Enter the Toggle command, the Rreceiver Relay is Open, Enter the Toggle command again, Relay is Close;

Latched : Enter the Channel 1 Latched command, the receiver Channel 1 is Open, the Channel 2 is Close.

Enter the Channel 2 Latched command the receiver Channel 2 is Open, the Channel 1 is Close.

Delay : Enter the Delay command, the Rreceiver Relay is Open, delay of 0-9999 seconds(MODBUS command is 0-255 seconds )after, Relay is Close;

During the delay, Eter the Close command, immediately close the relay

 

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 Industrial control;

LED Lighting control.

 

Package Incldued:

 

3 x DC 12V RS232 Serial Port Delay Relay Switch Module