A USB2.0 -compatible digital input / output unit that extends the input / output function of the digital signal on a personal computer.It supports the input / output of 12-24VDC digital signals.It is equipped with 64 points of photocapula insulating input (current sink output) and 64 points of photocapla insulation open collector (current sink type).Up to 16 of the input signals can be used as interrupts.In addition, it is equipped with a digital filter function, output transistor protection circuit (surge voltage protection, overcurrent protection).- [Extended module] Bus specification USB 2.0 Size X type 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) 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 -