It is a USB2.0 compatible analog input and output terminal that can easily measure analog voltage signals and output voltage signals by connecting to a USB interface of a personal computer.You can perform analog input (16bit, 8ch), analog output (16bit, 2ch), digital input (LVTTL 4 points), and digital output (LVTTL 4 points).It is possible to create Windows applications such as programless data collection using attached data logger software [C-Logger], Visual Basic and Visual C ++ with attached driver library.- [Extended module] Bus specification USB 2.0 Size Y type Used connector 2X Screw terminal stand 14-pin [Analog input/output] Number of input channels Single End 8-Ch input range ± 10V ADC resolution 16-bit Sampling Rate 10μsec/ch (max.) Number of output channels 2-ch Output range ± 10V DAC resolution 16-bit Update rate 10μSec (max.) [Digital input/output] number of input points 4 points Output points 4 points two -way score - Response speed (input) 200nsec (max.) Response speed (output) 200nsec (max.) Operate voltage (input) 3.3VDC-LVTTL Operate voltage (output) 3.3VDC-LVTTL input circuit Non -insulated LVTTL level input (positive logic) Output circuit Non -insulation LVTTL level output (positive logic) Built -in power supply -