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PCI Express, 16-channel Isolated Digital Input, 16-channel PhotoMos Relay Output


PCI Express, 16-channel Isolated Digital Input, 16-channel PhotoMos Relay Output

  Price:  $529.00  

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The PEX-P16POR16i is a PCI Express card contains 16 optically isolated input channels and 16 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 DI channels provide 2000 VDC 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.

The PEX-P16POR16i 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-P16POR16i is fully compatible with the PCI-P16POR16, and users can easily replace the PCI-P16POR16 with the PEX-P16POR16i without any need for software/driver modification when using PCI Express computers. The card can be installed in a 3.3 V/12 V PCI Express slot and supports true "Plug & Play", with two DB-37 connectors provided for easy wiring.

The PEX-P16POR16i 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 PEX-P16POR16i cards in one computer.


  • DOS Lib and TC/BC/MSC sample program (with source codes)
  • DLL and OCX SDK for Windows 95/98/NT/2000.
  • DLL and OCX SDK for 32-bit and 64-bit Windows XP/2003/Vista/2008/7.
  • VB/VC/Delphi/BCB/VB.NET/C#.NET sample programs with source codes are included.
  • LabVIEW toolkit for Windows.
  • Driver for Linux.


Digital Inputs
Isolation Voltage 2000 Vdc (Photo-couple)
Channels 16
Input Voltage Logic 1: AC/DC 5 ~ 24 V (AC 50 ~ 1 kHz)
Logic 0: AC/DC 0 ~ 1 V
Response Speed Without Filter: 50 kHz (Typical)
With Filter: 0.455 kHz (Typical)
Relay Output
Channels 16
Relay Type PhotoMos Relay (Form A)
Contact Rating Load Voltage: 300 V (AC peak for DC)
Load Current: 140 mA
Operate Time 0.7 ms (Typical)
Release Time 0.05 ms (Typical)
Insulation Resistance 23 Ω
Bus Type PCI-Express x1
Data Bus 16-bit
Card ID Yes(4-bit)
I/O Connector Female DB-37 x1
40-pin box header x1
Dimensions (L x W x D) 183 mm x 105 mm x 22 mm
Power Consumptions 800 mA @ +5 V
Operating Temperature 0 ~ 60 C
Storage Temperature -20 ~ 70 C
Humidity 5 ~ 85%, RH, non-condensing

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