It supports the input/output of digital signals with high voltage (input 12-24VDC, 120VAC/DC).It is equipped with 16 points and 16 points of semiconductor relay output (current sink output/current source output) and 16 points of semiconductor relay output can be used as interrupts.In addition, it is equipped with a digital filter function that prevents incorrect recognition of input signal.- [Extended module] Bus specification USB 2.0 Size X type Used connector D-SUB 37-pin (female) [Digital input/output] number of input points 16 points Output points 16 points two -way score - Response speed (input) 200μSec (max.) Response speed (output) 200μSec (max.) Operate voltage (input) 12-24VDC Operate voltage (output) -120VAC / VDC < / td> input circuit Photoba plastic insulation input (compatible with sink and source output) Output circuit semiconductor relay contact output Built -in power supply -