This product is a PCI Express board that extends the digital signal input function to a personal computer.It is a 12-24VDC photocoupler instruction type equipped with 32 input.All 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 D-SUB 37-pin (female) [Digital input/output] number of input points 32 points Output points - two -way score - Response speed (input) 200μSec (max.) Response speed (output) - Operate voltage (input) 12-24VDC Operate voltage (output) - input circuit Photoba plastic insulation input (compatible with sink output) Output circuit - Built -in power supply -