The PCL-722-BE is a discontinued 144-channel TTL digital I/O card that emulates the 8255 interface, featuring buffered circuits for enhanced driving capacity compared to standard 8255 chips. It supports interrupt handling and output status readback, while maintaining pin compatibility with Opto-22 I/O modules.
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The PCL-722-BE is a discontinued 144-channel TTL digital I/O card that emulates the 8255 interface, featuring buffered circuits for enhanced driving capacity compared to standard 8255 chips. It supports interrupt handling and output status readback, while maintaining pin compatibility with Opto-22 I/O modules.
