This product is a PCI Express bus compatible board that extends the input / output function of the digital signal on a personal computer.It supports the input / output of digital signals of high voltage (24-48VDC).It is equipped with 16 points of photocoupla insulating input and 16 points of photocapula in insulation open collector output, and can use up to 16 points of input signal as interrupts.In addition, it is equipped with a digital filter function that prevents incorrect recognition of the input signal, and a protection 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 16 points Output points 16 points two -way score - Response speed (input) 200μSec (max.) Response speed (output) 200μSec (max.) Operate voltage (input) 24-48VDC Operate voltage (output) 24-48VDC input circuit Photoba plastic insulation input (compatible with sink output) Output circuit Photoba Plastic Insulation Open Collector Output (Sink Type) Built -in power supply -