日本CONTEC IO卡PIO-64/64L(PCI)H PIO-64/64L(PCI)HDigital I/O PCI card 64ch/64ch (isolated 12 - 24VDC) Standard Warranty3 yrs Extended WarrantyAvailable Opto-coupler isolated input (compatible with current sink output) and opto-coupler isolated open-collector output (current sink type) Opto-coupler bus isolation You can use 16 input signals as interrupt request signals This product has a digital filter to prevent wrong recognition of input signals from carrying noise or a chattering Windows/Linux support device driver * For details about an extended warranty, please contact us.