4 Channel RS232 Relay Board PC USB UART DB9 Remote Control Switch DC12V for Smart Home

4 Channel RS232 Relay Board PC USB UART DB9 Remote Control Switch DC12V for Smart Home
sku: 1649919
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$11.99
Shipping from: China
   Description
Manual Click here to openFeatures This is4 Channel Relay Module DC 12V power supply voltage range 9 13V Standby current all relays closed 18MA 1 channelrelay open 50MA 2 channel relays open 81MA 3 channel relays open 110MA 4 channel relays open 141MA RS232 DB9 female interface Read open close Self locking click interlock 6 commands can satisfy most of the industrial control Specifications Model CE039 12VRated current 10ARated voltage DC12V3C rated voltage range below 36VRelay load current Max 10ARelay load voltage DC 1 100v or AC85 265vWeight 67gSize 8 5 x 4 7 x 1 8cm Control Commands 1 Reading status reading the satus of the relay on off 55 56 00 00 00 00 00 AB2 Relay open issue this command Relay open COM connect to NO Channel 1 55 56 00 00 00 01 01 ADChannel 2 55 56 00 00 00 02 01 AEChannel 3 55 56 00 00 00 03 01 AFChannel 4 55 56 00 00 00 04 01 B03 Relay close issue this command Relay close COM disconnect NO and COM connect to NC Channel 1 55 56 00 00 00 01 02 AEChannel 2 55 56 00 00 00 02 02 AFChannel 3 55 56 00 00 00 03 02 B0Channel 4 55 56 00 00 00 04 02 B14 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 AFChannel 2 55 56 00 00 00 02 03 B0Channel 3 55 56 00 00 00 03 03 B1Channel 4 55 56 00 00 00 04 03 B2 5 Relay momentary Relay COM connect to NO disconnect aft
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