This product is a PCI Express board that extends the digital signal input function on a personal computer.It is a 12-24VDC photocoupler instruction type equipped with 64 input.32 input signals can be used as interrupts.In addition, it is equipped with a digital filter function that prevents incorrect recognition of input signal.A Windows/Linux driver is attached.- [Extended module] Bus specification PCI Express Size Short size Used connector 1x 1.27mm pitch 96-pin (male) [Digital input/output] number of input points 64 points Output points - two -way score - Response speed (input) 200μSec (max.) Response speed (output) - Operate voltage (input) - Operate voltage (output) 12 ~ 24VDC input circuit Photoba plastic insulation input (compatible with sink output) Output circuit - Built -in power supply -