The Mitsubishi QD75D1N is a motion control module for the MELSEC Q series PLC. It is designed for high-performance control of servo motors, stepper motors, and other motion systems, providing accurate positioning, speed control, and pulse output. The module is equipped with advanced control features like S-curve acceleration, digital filter settings, and high-speed feedback capabilities, making it suitable for precise motion control applications in automation, robotics, packaging, and machine tools.

Key Parameters Category Parameter Name Description & Typical Values Valve Specifications Valve Size 3/4", 1", 1-1/4", 1-1/2", 2" NPT End Connections Screwed (NPT) - Standard Body Materials Aluminum (Standard for non-corrosive services). Other materials like cast steel or stainless steel may be available. Pressure Ratings Maximum Inlet Pressure (H722) Up to 5 psig (∼35 kPa). For higher inlet pressures, a primary reducing regulator is required upstream. Outlet Pressure Range (H722) Adjustable via spring. Various spring ranges are available, typically from 3" H₂O to 60" H₂O (0.75 to 15 kPa). Pressure Setting Range (H733) Adjustable via spring. Various spring ranges are available, typically from 3" H₂O to 60" H₂O (0.75 to 15 kPa). Internal Parts Diaphragm Material Neoprene-coated fabric (standard). Other materials like Buna-N or Viton may be available for specific services. Performance & Environmental Temperature Limits Standard: -20°F to 150°F (-29°C to 66°C). Temperature can affect spring rate and diaphragm life. Leakage Typically Class II (standard metal seat) or Class IV (with optional soft seat).

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