Wago 750-422 4Di, 24 Vdc Pulse Extention

Why Choose the WAGO 750-422 4-Channel Digital Input Module?

The WAGO 750-422 is a compact 4-channel digital input module designed for the WAGO I/O System 750. It enables industrial controllers to monitor 24 V DC digital signals from sensors, switches and other field devices, providing reliable signal acquisition for modern automation systems.

This module receives control signals from digital field devices and transmits their status to a connected WAGO fieldbus coupler or programmable controller. The module features pulse extension functionality, ensuring that even short signals are reliably detected by the control system. :contentReference

Designed for demanding industrial environments, the module offers electrical isolation between system and field levels and uses WAGO CAGE CLAMP® spring pressure connection technology for secure vibration-resistant wiring. Its slim DIN rail housing allows efficient installation in high-density control cabinets. :contentReference

Key Advantages

• Reliable 4-channel digital input interface for industrial automation.
• Supports standard 24 V DC digital control signals.
• Pulse extension function ensures detection of short signals.
• High-side switching input characteristic for sensor connectivity.
• CAGE CLAMP® spring terminals provide secure maintenance-free wiring.
• Compact DIN rail design ideal for modular distributed I/O systems.

Key Features

• 4 digital input channels.
• 24 V DC signal voltage.
• Pulse extension for reliable detection of short input signals.
• 1 ms digital input filter.
• High-side switching inputs.
• Supports 2-wire and 3-wire sensor connections.
• LED indicators for each input channel.
• DIN rail mounted modular design.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-422
• Module type: Digital input module
• Number of inputs: 4 channels
• Input voltage: 24 V DC
• Voltage range signal 0: −3 V to +5 V DC
• Voltage range signal 1: 15 V to 30 V DC
• Input current per channel: approx. 4 mA
• Input filter: 1 ms
• Maximum signal frequency: approx. 80 Hz
• Sensor supply voltage: 24 V DC
• Isolation: 500 V between field and system levels
• Connection technology: CAGE CLAMP® spring terminals
• Mounting: 35 mm DIN rail
• Protection rating: IP20
• Operating temperature: approx. 0 °C to +55 °C

Industrial Digital Signal Monitoring

Digital input modules provide the essential interface between field devices and industrial control systems. They convert signals from sensors, switches and machine contacts into digital data that PLCs and automation controllers use to monitor and control production processes.

The modular design of the WAGO 750 Series allows distributed automation systems to expand easily as new machines or sensors are added. Engineers can build scalable control networks while reducing wiring complexity across industrial installations.

Typical Applications

• Monitoring proximity sensors and limit switches.
• PLC signal acquisition in industrial machinery.
• Pulse signal detection in automation systems.
• Distributed factory automation networks.
• Industrial infrastructure and building automation systems.

Trusted by Automation Engineers

WAGO 750 Series I/O modules are widely used by machine builders and system integrators to create scalable distributed control systems across manufacturing and industrial automation environments.