Wago 750-660/000-001 Profisafe 8-Channel Di, 24 Vdc With Diagnostics

Why Choose the WAGO 750-660/000-001 PROFIsafe Digital Input Module?

The WAGO 750-660/000-001 is a fail-safe 8-channel digital input module designed for the WAGO I/O System 750. It enables safety-related devices such as emergency stop buttons, safety interlock switches and limit sensors to be integrated into industrial automation systems using the PROFIsafe safety protocol.

Each of the eight input channels uses clock-sensitive inputs driven by dedicated test pulse outputs. This architecture allows the module to continuously monitor wiring faults such as cross-circuits or external voltage interference, ensuring reliable operation within functional safety systems. :contentReference

Designed for safety-critical automation applications, the module supports high safety classifications including Category 4 / SIL 3 configurations. Integrated diagnostics LEDs provide clear status information for each channel and indicate internal or external fault conditions for simplified troubleshooting. :contentReference

Key Advantages

• Fail-safe 8-channel digital input module for safety applications.
• Supports PROFIsafe communication for functional safety systems.
• Continuous monitoring for cross-circuits and wiring faults.
• Integrated diagnostics LEDs for channel status and error detection.
• Electrical isolation between field level and system bus.
• Compact DIN rail module for WAGO I/O System 750 installations.

Key Features

• 8 fail-safe digital inputs with test pulse monitoring.
• Designed for emergency stop buttons, safety sensors and interlocks.
• Integrated test pulse outputs (T1…T8) for safety monitoring.
• Channel status indication via individual LEDs.
• Configurable PROFIsafe address via DIP switch.
• Short-circuit protected outputs.
• Flexible integration within modular WAGO I/O nodes.
• DIN rail mounting for control cabinets.

Technical Specifications

• Manufacturer: WAGO
• Series: I/O System 750
• Model: 750-660/000-001
• Module type: Fail-safe digital input module
• Number of inputs: 8 digital inputs
• Safety protocol: PROFIsafe
• Safety classification: up to 8 × Cat. 2 / SIL 2 or 4 × Cat. 4 / SIL 3
• Input current (typical): approx. 2.2 mA per channel
• Field supply voltage: 24 V DC (-15 % to +20 %)
• System supply voltage: 5 V DC via system bus
• Connection technology: WAGO CAGE CLAMP® terminals
• Mounting: DIN-35 rail
• Protection rating: IP20
• Operating temperature: 0 to 55 °C
• Width: approx. 24 mm

Functional Safety in Industrial Automation

Modern industrial control systems rely on functional safety components to protect personnel and equipment. Safety I/O modules monitor critical signals from devices such as emergency stops, safety doors and limit switches to ensure machines operate within safe conditions.

The WAGO 750-660/000-001 allows these safety devices to be integrated into PLC-based automation platforms using PROFIsafe communication. By combining distributed safety inputs with the WAGO I/O System 750 architecture, engineers can build scalable and standards-compliant machine safety systems. :contentReference

Typical Applications

• Emergency stop circuits in industrial machinery.
• Safety door and guard monitoring.
• Machine safety interlock systems.
• Industrial automation safety networks.
• Distributed safety monitoring systems.

Trusted by Automation Engineers

WAGO safety I/O modules are widely used in machine automation and process control systems to implement reliable functional safety architectures compliant with international safety standards.