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

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

Regular price $6.74 USD
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Product Name:  DC 12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Remote Control Switch Board
 
 
 
Package inlcuded:
1 pcs 1 channelDC 12VDB9RS232&TTL232 Relay Board
 
 
Description:

1: Working voltage: 12V
2: (DC12V)Standby current (all relays closed) 16MA, relay open 47MA,
3 Two serial ports: RS232 DB9 interface, TTL 232 interface
4  ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay''(Only AT command)  6 Commands
5 Two kinds of commands: AT command and 8-byte command, the two commands are automatically recognized, no need to switch.
6: Under the ''Delay'' command ,the maximum delay is 9999 seconds(Only AT command)
7 Size: 56.5 *31.5 * 17.5mm
8 Weight: 24g
9 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

For command details, please see 《1 Channel  Multifunction RS232 Relay commamd》

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;
PLCIndustrial control
LED Lighting control
 

 
 
Typial application :
 
1 DC 12V control circuit,Wiring diagram below. ''LOAD'' may be LED lights, fans, motors andother DC 12V equipment
 
 
 
 
2 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
 
 
 
 
 

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