Wago 750-491/000-001 1Ai, Dms

Why Choose the WAGO 750-491/000-001 Analogue Input Module?

The WAGO 750-491/000-001 is a precision 2-channel analogue input module designed for the WAGO I/O System 750. It enables automation controllers and PLCs to measure ±10 V analogue voltage signals from sensors, controllers and industrial instrumentation with high accuracy.

Each input channel captures analogue voltage signals and converts them into digital process data that can be used for monitoring, feedback control and automation logic. This makes the module suitable for applications such as motion control feedback, actuator positioning signals and industrial sensor monitoring.

The module integrates seamlessly with WAGO fieldbus couplers and programmable controllers, forming part of a modular distributed automation system. Its compact DIN-rail design and CAGE CLAMP® spring connection technology ensure fast installation and reliable electrical connections within industrial control panels.

Key Advantages

• Reliable 2-channel analogue voltage input for industrial automation systems.
• Supports ±10 V measurement signals commonly used in control systems.
• High-resolution analogue-to-digital conversion for precise signal monitoring.
• Seamless integration with WAGO 750 Series distributed I/O systems.
• Compact modular design for scalable automation architectures.
• Quick installation using CAGE CLAMP® spring terminals.

Key Features

• 2 analogue input channels.
• Input signal type: voltage.
• Input range: ±10 V.
• Resolution: 12-bit analogue-to-digital conversion.
• High measurement stability for industrial monitoring applications.
• DIN-rail mounting for WAGO modular I/O nodes.
• Compatible with WAGO fieldbus couplers and controllers.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-491/000-001
• Module type: Analogue input module
• Number of inputs: 2 analogue channels
• Signal type: Voltage
• Input range: ±10 V
• Resolution: 12 bit
• Typical conversion time: approx. 5 ms
• Input impedance: typically ≥ 200 kΩ
• System supply voltage: 5 V DC via internal I/O bus
• Connection technology: WAGO CAGE CLAMP® spring terminals
• Mounting: 35 mm DIN rail
• Ingress protection: IP20
• Operating temperature: 0 °C to +55 °C

Industrial Analogue Voltage Monitoring

Voltage-based analogue signals such as ±10 V are widely used in automation systems for transmitting process variables, control signals and feedback from sensors and motion control equipment. PLCs must accurately measure these signals to monitor machine conditions and maintain precise control.

The WAGO 750-491/000-001 module converts analogue voltage inputs into digital values that can be processed by the control system. Combined with other modules in the WAGO 750 Series distributed I/O platform, it allows engineers to build flexible and scalable industrial automation architectures.

Typical Applications

• Industrial automation and machine monitoring.
• Servo and motion control feedback signals.
• Analogue sensor and instrumentation monitoring.
• Process control measurement systems.
• Distributed PLC and remote I/O architectures.

Trusted by Automation Engineers

WAGO 750 Series I/O modules are widely trusted by automation engineers and system integrators for building reliable distributed control systems across manufacturing, infrastructure and industrial machinery applications.