The SFPCI-6021 card is a PCI bus economical 12 AD DA interface card, 32-channel single-ended, 16-channel dual-ended analog input, 1 channel analog output, 16-channel digital input, 16-channel digital output. Can be easily applied to a microcomputer equipped with a PCI bus slot. PC operating system can use the currently popular Windows series, Unix and other operating systems. The choice of the LabVIEW professional data acquisition and analysis software. Mold into parts: the choice of single-ended or double-ended input mode. AD trigger mode of the card can choose to use the program triggered. The system completion status by querying the AD converter on the board, or in response to AD conversion complete interrupt board communication and data exchange. Analog signal into the mold by the 37-pin D-type socket on the card or 40P flat ribbon cable outlet connected with an external signal source and equipment. Mold part: a variety of output range selection mode, the initial state of the power-output according to user needs, set automatic power-output range of the lower level of the midpoint of the output range level. Digital input and output parts: a 16-channel digital input and 16-channel digital output interface, 40P flat ribbon cable connected to the external device. Can also be converted cable converted to 37-pin D-type socket output. Digital output latch function. 16-channel digital output also has a power-automatically cleared. Can be equipped with to pick SF-680/690/650/660 terminal board.