Wago 750-455/020-000 4Ai, Se

Why Choose the WAGO 750-455/020-000 4-Channel Analog Input Module?

The WAGO 750-455/020-000 is a reliable 4-channel analog input module designed for the WAGO I/O System 750. It enables PLCs and industrial automation controllers to measure standard 4–20 mA current loop signals from transmitters and sensors, allowing accurate monitoring of process variables across distributed control architectures.

Each input channel converts analog current signals into digital process data for use by PLCs and fieldbus couplers. The module features galvanically isolated inputs, providing improved signal reliability and protection against electrical interference within industrial environments.

The module is housed in a compact 12 mm DIN rail enclosure, allowing high channel density within control panels. Reliable CAGE CLAMP® spring connection technology ensures secure wiring and quick installation, making the module well suited to modern industrial automation systems.

Key Advantages

• Reliable 4-channel analog input module.
• Supports standard 4–20 mA current loop signals.
• Galvanically isolated inputs improve signal reliability.
• Compact DIN rail module for distributed automation systems.
• High-accuracy signal acquisition for process monitoring.
• Compatible with WAGO I/O System 750 controllers and couplers.

Key Features

• 4 analog input channels.
• 4–20 mA current input range.
• Single-ended input configuration.
• 12-bit measurement resolution.
• Approx. 10 ms conversion time.
• 2-wire transmitter connections.
• LED diagnostics for module and channel status.
• DIN rail mounted modular design.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-455/020-000
• Module type: Analog input module
• Number of inputs: 4 channels
• Signal type: Current input
• Input range: 4–20 mA DC
• Signal characteristic: Single-ended
• Resolution: 12-bit
• Conversion time: approx. 10 ms
• Input voltage (max): approx. 32 V
• Input resistance: approx. 100 Ω
• System supply voltage: 5 V DC via system bus
• Current consumption: approx. 65 mA
• Isolation: approx. 500 V system/field
• Connection technology: CAGE CLAMP® spring terminals
• Mounting: 35 mm DIN rail
• Module width: approx. 12 mm
• Operating temperature: −20 °C to +60 °C
• Protection rating: IP20

Industrial Current Loop Monitoring

Current loop signalling such as 4–20 mA is widely used in industrial automation systems because it enables reliable signal transmission over long cable distances while maintaining strong resistance to electrical noise. These signals are commonly used by transmitters measuring pressure, flow, temperature and level.

The WAGO 750-455/020-000 converts analog current signals into digital process data that PLCs and automation controllers can analyse. This allows precise monitoring, diagnostics and control of industrial processes within distributed automation architectures.

Typical Applications

• Monitoring analog signals from industrial transmitters.
• Integration of 4–20 mA process sensors.
• Process automation and instrumentation systems.
• Energy and utility monitoring.
• Industrial manufacturing and machine control.

Trusted by Automation Engineers

WAGO I/O System 750 modules are widely used by machine builders and automation engineers to implement scalable distributed control systems across industrial and process automation environments.