This product is a PCI Express board that extends the input / output function of the digital signal on a personal computer.It is a 12-24VDC photocapura instruction type with a built -in 12VDC power supply, which is equipped with 32 input and 32 open collector output, and does not require external power supply.All input signals can be used as interrupts.In addition, it is equipped with a digital filter function, output transistor protection circuit (surge voltage protection, overcurrent protection).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 32 points Output points 32 points two -way score - Response speed (input) 200μSec (max.) Response speed (output) 200μSec (max.) Operate voltage (input) 12-24VDC Operate voltage (output) 12-24VDC input circuit Photoba plastic insulation input (compatible with sink output) Output circuit Photoba Plastic Insulation Open Collector Output (Sink Type) Built -in power supply 12VDC