Mitsubishi QX80 | 32-Point Digital Input Module for MELSEC-Q Series PLCs Overview The Mitsubishi QX80 is a 32-channel digital input module for the MELSEC-Q Series PLC platform, offering fast, noise-resistant input processing with support for both sink and source input types. With built-in LED status indicators and a compact design, the QX80 is ideal for high-density, high-performance automation systems. Key Features Number of Inputs: 32 digital input channels Input Type: Sink or source selectable Input Voltage: 24V DC (20.4–26.4V DC range) Input Current: Approx. 5 mA per point Response Time: 10 ms (default), configurable LED Indicators: Individual input status indicators Common Terminal: 8 points per common High-Density Design: Efficient use of rack space Technical Specifications Model: QX80 Series: MELSEC-Q Connector Type: Screw terminal block (via optional terminal block) Isolation: Photocoupler Mounting: Standard Q-series base unit slot Operating Temperature: 0°C to 55°C Weight: Approx. 0.2 kg (0.44 lbs) Certifications: CE, UL, cUL Applications Sensor and switch monitoring Machine start/stop controls Industrial process inputs Safety signal acquisition General-purpose digital I/O in factory automation Why Choose the QX80? High Channel Density: 32 inputs in one compact module Flexible Input Type: Sink/source compatibility simplifies wiring Fast, Stable Performance: Reliable for high-speed control systems Easy Diagnostics: LED indicators provide real-time input status Order Now The Mitsubishi QX80 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.