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

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

WAGO 750-455/020-000 4-channel analog input module for the WAGO I/O System 750 supporting 4–20 mA current loop signals.

SKU: 750-455/020-000Alt SKU: 750455020000MPN: 750-455/020-000
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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.

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.

Technical Specifications

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Signal / Input Range 4–20 mA
Device Type Analogue I/O Module
Signal Type / Function Analogue
Number of I/O 4
Product Series WAGO I/O System 750
IP Rating IP20
Series WAGO I/O System 750
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
HS Code 85389099
Country of Manufacture Germany

Frequently Asked Questions

What is the WAGO 750-455/020-000 module used for?

The module measures analog current loop signals between 4 and 20 mA and converts them into digital process data for PLC or automation controller processing.

How many inputs does the module provide?

The module includes four analog input channels, allowing multiple transmitters or sensors to be monitored simultaneously.

What signals can the module measure?

The module measures 4–20 mA current loop signals commonly used in industrial process instrumentation.

What resolution does the module provide?

The module provides 12-bit resolution with a typical conversion time of approximately 10 milliseconds.

How is the module installed?

The module mounts onto a standard 35 mm DIN rail and connects to the WAGO I/O System 750 through the internal system bus.

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.

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