It is a non -insulating digital input / output board based on PCI Express bus that performs input and output of digital signals (TTL levels).It is equipped with 64 points in the non -insulating TTL level input and 64 points of non -insulating open collector output, and can be used as interrupts as interrupts.In addition, it is equipped with a digital filter function that prevents incorrect recognition of input signal.The Windows/Linux version of the driver library is attached as standard, and you can create applications that make use of our hardware characteristics.- [Extended module] Bus specification PCI Express 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) 200nsec (max.) Response speed (output) 200nsec (max.) Operate voltage (input) 5VDC-TTL Operate voltage (output) 5VDC-TTL input circuit Non -insulated TTL level input (negative portion) Output circuit Non -insulated TTL Open Collector Output (negative theory)