Mitsubishi QX40 | 32-Point Digital Input Module for MELSEC-Q Series PLCs Overview The Mitsubishi QX40 is a 32-point digital input module designed for use with the MELSEC-Q Series PLCs, supporting 24V DC sink/source inputs. It delivers high-speed signal acquisition and robust performance for industrial automation systems requiring reliable discrete input control. Key Features Number of Inputs: 32 digital inputs Input Voltage: 24V DC (sink/source selectable) Response Time: 10 ms or less Input Type: Dry contact / proximity sensor compatible Removable Terminal Block: Facilitates easy wiring and maintenance Status Indicators: LED per channel for diagnostics High-Speed Acquisition: Optimized for fast control cycles Technical Specifications Model: QX40 Series: MELSEC-Q Rated Input Current: 5 mA (24V DC) Insulation Resistance: 10 MΩ or more Dielectric Strength: 500V AC for 1 minute Mounting: Base unit slot Operating Temperature: 0°C to 55°C Weight: Approx. 0.25 kg (0.55 lbs) Certifications: CE, UL, cUL Applications Factory automation systems Machine input monitoring Material handling and sorting Panel-based discrete control systems OEM machinery Why Choose the QX40? Compact 32-Point Design: Maximizes I/O density Fast Response Time: Ideal for high-speed control applications Flexible Compatibility: Works with both sink and source wiring Trusted Reliability: Built to perform in harsh industrial environments Order Now The Mitsubishi QX40 digital input module is available and ready to ship. Return to the Mitsubishi MELSEC-Q Series collection for more options in this family. Explore our full range of Mitsubishi MELSEC Programmable Controllers (PLC) to discover scalable automation solutions, from legacy MELSEC systems to next-generation PLCs designed for high performance, connectivity, and flexibility.
