Card PCI Express 8 kênh đầu vào số DI + 8 kênh đầu ra PhotoMos Relay ICP DAS PEX-P8POR8i CR

Thương hiệu: ICP DAS | Tình trạng: Còn hàng
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PCI Express, 8-ch Isolated DI and 8-ch PhotoMOS Relay Output Board

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Card PCI Express 8 kênh đầu vào số DI + 8 kênh đầu ra PhotoMos Relay ICP DAS PEX-P8POR8i CR


  • Supports PCI Express x1
  • Selectable DC signal input filter
  • AC signal input with filter
  • LED power indicator
  • Long life and high reliability PhotoMOS Relay
  • Low leakage current when PhotoMOS Relay is OFF
  • No contact bounce, no sparking
  • No acoustical noise
  • 8 PhotoMos Relay output channels
  • 8 Optically-isolated Digital Input channels
  • Card ID Function(SMD Switch)
  • Digital Output status readback
  • 2000 VDC photo-isolation protection


The PEX-P8POR8i is a PCI Express card. These cards provide 8 optically isolated input channels and 8 PhotoMOS Relay output channels. Both the isolated DI channels and the PhotoMOS Relay channels use a short optical transmission path to transfer an electronic signal between elements of a circuit and keep them electrically isolated. The PEX-P8POR8i card provide 2000 VDC for DI channel isolation protection, allowing the input signals to be completely floated so as to cut down ground loops, block voltage spikes, and isolate the host computer from damaging voltages. PhotoMOS Relays are used where it is necessary to control a circuit using a low-power signal (with complete electrical isolation between the control and controlled circuits), or where several circuits must be controlled by one signal. These cards can be used in various applications, such as controlling the ON/OFF state of external devices, driving external relays or small power switches, activating alarms, contact closure, sensing external voltages or switches, etc.

The PEX-P8POR8i card also adds a Card ID switch on-board. Users can set Card ID and then recognizes the board by the ID via software when using two or more cards in one computer.

The cards support various OS versions, such as Linux, DOS, Windows. DLL and Active X control together with various language sample program based on Turbo C++, Borland C++, Microsoft C++, Visual C++, Borland Delphi, Borland C++ Builder, Visual Basic, C#.NET, Visual Basic.NET and LabVIEW are provided in order to help users to quickly and easily develop their own applications.



Card ID Yes (4-bit)
Connector Female DB37 x 1


Digital Input
Channels 8
Type Photocoupler (Sink or Source)
Response Speed Without Filter: 50 kHz (Typical)
With Filter: 0.455 kHz(Typical)
Trigger Mode Static Update
Wet Contact, ON Voltage Level AC/DC 5 ~ 24 V (AC 50 ~ 1 kHz)
Wet Contact, OFF Voltage Level AC/DC 0 ~ 1 V
Isolation 2000 VDC


Relay Output
Channels 8
Type PhotoMos Relay (Form A)
Contact Rating Load Voltage: 300 V (AC peak or DC)
Load Current: 130 mA
Operate Time 0.7 ms (Typical)
Release Time 0.05 ms (Typical)
Electrical Endurance Long Life and No Sparking


PC Bus
Type PCI Express x 1
Data Bus 16-bit


Consumption 550 mA @ +3.3 V
250 mA @ +12 V


Dimensions (mm) 113 x 173 x 22 (W x L x D)


Operating Temperature 0 ~ +60°C
Storage Temperature -20 ~ +70°C
Humidity 5 ~ 85% RH, Non-condensing



Data Sheet

Odering information

PEX-P8POR8i     CR  PCI Express, 8-ch Optically Isolated Digital Input and 8-ch PhotoMOS Relay Output Board (RoHS)
Includes one CA-4002 D-Sub connector

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