The USB-4751L Digital IO USB Module Advantech is a compact and efficient 24-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 24 TTL digital I/O lines, emulating mode 0 of the 8255 PPI with buffered circuits for enhanced 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 seamless integration. Portable and suitable for DIN-rail mounting, the USB-4751L comes with a lockable USB cable for secure connections, making it a reliable and versatile solution for a variety of industrial tasks.
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