This product is an interface board based on the PCI Express bus that performs a two -way input / output of LVTTL -level digital signals.Up to 48 points can be input / output with one piece.You can select input or output in eight -point units with application software.By using the attached driver library [API-PAC (W32)], you can create application software for Windows in various programming languages that support Win32api functions such as Visual Basic and Visual C ++.- [Extended module] Bus specification PCI Express Size Short size Used connector 1x 1.27mm pitch 96-pin (male) 2x pin header 50-pin (male) [Digital input/output] number of input points - Output points - two -way score 48 points Response speed (input) 200nsec (max.) Response speed (output) 200nsec (max.) Operate voltage (input) 5VDC-TTL Operate voltage (output) 5VDC-TTL input circuit Non -insulated TTL level input (positive logic) Output circuit Non -insulated TTL level output (positive logic) Built -in power supply -