Why Choose the WAGO 750-431 8-Channel Digital Input Module?
The WAGO 750-431 is a high-density 8-channel digital input module designed for the WAGO I/O System 750. It allows PLCs and industrial controllers to monitor 24 V DC digital signals from sensors, switches and machine contacts, enabling reliable signal acquisition across distributed automation systems.
The module receives digital control signals from field devices and transmits their switching state to a WAGO fieldbus coupler or programmable controller. Integrated noise-rejection filtering prevents electrical interference or transient spikes from being interpreted as valid input signals, improving operational reliability in industrial environments.
With eight input channels in a compact DIN rail module, the 750-431 provides efficient use of cabinet space while maintaining reliable signal processing. The module includes power jumper contacts for field supply distribution and uses WAGO CAGE CLAMP® spring pressure terminals for fast, secure wiring within control panels.
Key Advantages
High-density 8-channel digital input module.
Designed for standard 24 V DC industrial control signals.
Noise-rejection input filtering improves signal stability.
High-side switching input configuration for sensor connections.
CAGE CLAMP® spring terminals provide secure maintenance-free wiring.
Compact DIN rail design for distributed I/O systems.
Key Features
8 digital input channels.
24 V DC signal voltage.
Integrated digital input filter.
High-side switching input characteristic.
Supports 1-conductor sensor connections.
LED indicators for channel status.
Power jumper contacts for supply distribution.
DIN rail mounted modular design.
Industrial Digital Signal Monitoring
Digital input modules provide the interface between field devices and PLC control systems by converting electrical signals from sensors, switches and machine contacts into digital process data. These signals allow automation systems to detect equipment states and trigger control logic within industrial processes.
The modular architecture of the WAGO 750 Series allows distributed automation networks to expand easily. Engineers can add additional I/O modules as systems grow, creating scalable control architectures with simplified wiring and improved flexibility across manufacturing environments.
Typical Applications
Monitoring proximity sensors and limit switches.
PLC signal acquisition in industrial machinery.
Machine status monitoring on production lines.
Distributed I/O systems for factory automation.
Industrial infrastructure and facility automation.
Technical Specifications
IP Rating
IP20
Series
WAGO I/O System 750
Module type
Digital input module
Number of inputs
8 channels
Signal voltage
24 V DC
Voltage range signal (0)
−3 to +5 V DC
Voltage range signal (1)
15 to 30 V DC
Input current per channel
approx. 2.8 mA
Input filter
approx. 3 ms
System supply voltage
5 V DC via system bus
Field supply voltage
24 V DC via power jumper contacts
Isolation
approx. 500 V between system and field levels
Connection technology
CAGE CLAMP® spring terminals
Mounting
35 mm DIN rail
Module width
approx. 12 mm
Protection rating
IP20
Operating temperature
approx. 0 °C to +55 °C
HS Code
85389099
Country of Manufacture
Germany
Frequently Asked Questions
What is the WAGO 750-431 module used for?
The module receives digital signals from sensors and switches and sends their status to a WAGO controller or fieldbus coupler.
How many input channels does the module provide?
The module provides eight digital input channels, allowing multiple field signals to be monitored simultaneously.
What voltage signals does the module support?
The module is designed for 24 V DC digital control signals, which are standard in industrial automation systems.
Why use a high-density input module?
High-density modules allow multiple signals to be monitored within a small cabinet footprint, reducing installation space and wiring complexity.
How is the module installed?
The module mounts onto a standard 35 mm DIN rail and uses WAGO CAGE CLAMP® spring terminals for secure vibration-resistant wiring.
Trusted by Automation Engineers
WAGO 750 Series I/O modules are widely used by machine builders and system integrators to build scalable distributed control systems across manufacturing and industrial automation environments.
IP Rating
IP20
Series
WAGO I/O System 750
Module type
Digital input module
Number of inputs
8 channels
Signal voltage
24 V DC
Voltage range signal (0)
−3 to +5 V DC
Voltage range signal (1)
15 to 30 V DC
Input current per channel
approx. 2.8 mA
Input filter
approx. 3 ms
System supply voltage
5 V DC via system bus
Field supply voltage
24 V DC via power jumper contacts
Isolation
approx. 500 V between system and field levels
Connection technology
CAGE CLAMP® spring terminals
Mounting
35 mm DIN rail
Module width
approx. 12 mm
Protection rating
IP20
Operating temperature
approx. 0 °C to +55 °C
HS Code
85389099
Country of Manufacture
Germany
No documents available for this product.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...