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|---|---|---|---|---|---|
| Price /Unit | $15.68 | $15.36 | $14.88 | $14.24 | Contact US |
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KLR 8 Channel Relay Module Expansion Board Isolated Low Trigger Dual Terminal Dual Layer PCB 5/12/24V Power
Description
- The module uses genuine quality relay , normally open interfaces Maximum load : AC 250V/10A, DC 30V/10A;
- Using the industry's top -quality ultra-compact coupler, strong anti-jamming ability , stable performance ; trigger current is only 3mA;
- The module voltage is 5V, 12V, 24V are available ;
- LOW pull relay module containing limiting resistor , low trigger is GND, can also MCU I / O port is set LOW ;
- Fault-tolerant design , even if the control line is broken , the relay will not operate ;
- The power indicator ( red ) , 8 relay status indicator ( blue )
- Interface design humane, all interfaces can be connected directly via terminal wiring leads , very convenient
- Module size : 9.0cm * 7.9m * 2.0cm ( L * W * H )
- With 4 fixing bolt holes for easy installation
Two module interface
- Module control side: 11 line interface, the interface can be directly connected to all leads , user-friendly
DC +: negative external DC power supply (with 5V, 12V and 24V modules to choose from )
DC-: negative external DC power supply
VERF: optically isolated control terminal reference ground , this signal should be connected to the negative power of the user control panel
CH1-CH8: relay control interface , high ( relative to VERF) corresponding relay
- Note : Isolated relay module is designed to adapt to the environment is bad or electromagnetic signals high demand for the occasion , if you want to achieve complete isolation , the user control panel power ( ie connection VERF reference power ) power supply and relay module (DC + / DC-) to be distinguished , if the power of the two , the effect is not completely isolated , then the user can choose a more economical in our standard relay module .
- Relay outputs : 24 line interface, the interface can be directly connected to all leads , user-friendly
NO1 - NO8: normally open relay interfaces , relay before the vacant after the pull shorted with COM
COM1 - COM8: Relay Common Interface
NC1 - NC8: normally closed relay interface relay shorted with COM ago , after the pull- vacant
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