This product is a PCI bus -based interface board that performs digital signals input and output.You can enter the switching state of the switch or control the relay.With one board, you can enter up to 32 points and output up to 32 points.This board is a top compatible product of our PIO-32/32B (PCI) H.Attached Windows version, Linux version driver (API-PAC (W32)).- [Extended module] Bus specification PCI Size Short size Used connector 1x 1.27mm pitch 96-pin (male) [Digital input/output] number of input points 32 points Output points 32 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 12VDC