The USB-4751 Digital IO USB Module Advantech is a versatile 48-channel digital I/O USB module, compatible with USB 1.1/2.0 and designed for industrial automation and control applications. This bus-powered module features 48 TTL digital I/O lines, emulating mode 0 of the 8255 PPI with buffered circuits for higher driving capacity. It supports both dry and wet contacts, offers interrupt handling and timer/counter capabilities, and includes a 50-pin Opto-22 compatible box header for easy integration. Portable and suitable for DIN-rail mounting, the USB-4751 comes with a lockable USB cable for secure connections, making it a reliable and efficient solution for a wide range of industrial tasks.
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