Contec USB I/O Terminal DIO-0808LY-USB, 1Pcs, Free Expedited Shipping | eBay,Contec USB I/O Terminal DIO-0808LY-USB, 1Pcs, Free Expedited Shipping,เทสรัน DIO-0808LY-USB, DIO-0808TY-USB, Digital I/O Terminal, unit 8ch/8ch (isolated 12 - 24VDC),Overview / Features | DIO-0808RN-USB | Digital I/O USB I/O unit 8ch/8ch (isolated 12 - 24VDC / power relay - 240VAC - 28VDC) - the N series | CONTEC,Overview / Features | DIO-1616LN-USB | N Series for USB. Isolated Digital I/O Unit (16ch DI, 16ch DO) | CONTEC