主要特點  

　◇ Compatible with USB 1.1/2.0

　◇ Portable

　◇ Bus-powered

　◇ 24 TTL digital I/O lines

　◇ Emulates mode 0 of 8255 PPI

　◇ Buffered circuits for higher driving capacity than 8255

　◇ Interrupt handling

　◇ Timer/Counter interrupt capability

　◇ Supports both dry and wet contact

　◇ 50-pin Opto-22 compatible box header

　◇ Suitable for DIN-rail mounting

　◇ Lockable USB cable for rigid connection

  　內容介紹   　　USB-4751/4751L is a 48/24-bit digital I/O module for the USB bus. Its 48/24 bits are divided into 6/3 8-bit I/O ports and users can configure each port as input or output via software. USB-4751/USB-4751L also provides one event counter and three 16-bit timers, which can be cascaded to become a 32-bit timer.   　訂購信息

產品序號	內容	價格 數量
USB-4751L-AE	24-CH TTL DIO USB Module	請來電詢價