This product is a PCI bus -based interface board that performs digital signals input and output.12-24VDC digital signals can be input and output.You can input up to 64 points and output up to 64 points with one piece.Attached Windows version, Linux version driver (API-PAC (W32)).- [Extended module] Bus specification PCI Size Short size Used connector 2x 0.8mm pitch 100-pin (female) [Digital input/output] number of input points 64 points Output points 64 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 -