[ NI-9421 ] Control Module by NATIONAL INSTRUMENTS

The National Instruments NI-9421 is an 8-channel 24V sinking input C-series module designed for digital input applications in industrial control systems. This module is part of the C-series family, known for its flexibility and ease of use in data acquisition and control. It supports a wide range of digital input signals and is compatible with National Instruments' CompactDAQ chassis, making it a versatile addition to any industrial automation setup. The NI-9421 is specifically engineered for sinking inputs, ensuring reliable signal handling in various industrial environments. Its compact design and modular nature make it suitable for integration into complex industrial systems, providing precise and accurate digital input capabilities.