This product is a USB2.0 -compatible digital output unit that offers a lead relay contact output.It is equipped with an independent common relay contact output of 16 points.Due to independent common, one point (1 common) can handle different external power supply.The output rating is designed to a large capacity of up to 2A 125V (AC) and 2A 30V (DC) per point.PCI bus compatible board RRY-16c (PCI) H, PCI Express bus compatible board Rry-16c-PE and connector shape and signal arrangement, so it is easy to migrate from the conventional system.- [Extended module] Bus specification USB 2.0 Size X type Used connector D-SUB 37-pin (female) [Digital input/output] number of input points - Output points 16 points two -way score - Response speed (input) - Response speed (output): ON: 7msec (max.) / OFF: 6msec (Max.) < / That Operate voltage (input) - Operate voltage (output) -125VAC / ~ 30vdc < / td> input circuit - Output circuit Red Relay contact output Built -in power supply -