This product is a PCI Express bus compatible board that extends the output function of the digital signal on a personal computer.It supports the output of the 12-24VDC digital signal.It is equipped with 32 points of photocoupla insulation open collector output.In addition, it is equipped with a power supply for driving a photocoupler (12VDC) and a protective circuit of the output transistor (surge voltage protection, overcurrent protection).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 - Output points 32 points two -way score - Response speed (input) - Response speed (output) 200μSec (max.) Operate voltage (input) - Operate voltage (output) 12-24VDC input circuit - Output circuit Photoba Plastic Insulation Open Collector Output (Sink Type) Built -in power supply 12VDC