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Wago 750-662/000-004 8FDI
WAGO 750-662/000-004 fail-safe 8-channel digital input module with PROFIsafe communication for integrating safety sensors and emergency stop circuits into WAGO I/O System 750 automation systems.
£300.59
Why Choose the WAGO 750-662/000-004 PROFIsafe Digital Input Module?
The WAGO 750-662/000-004 is a fail-safe 8-channel digital input module designed for integration within the WAGO I/O System 750. It allows safety-critical devices such as emergency stop buttons, safety door switches, operating mode selectors and safety sensors to be connected directly to PLC-based automation systems using the PROFIsafe communication protocol.
Each of the eight inputs is a clock-sensitive safety input supplied by two test pulse outputs, allowing the module to continuously monitor wiring integrity and detect faults such as cross-circuits or external voltage interference. This architecture enables reliable machine safety monitoring in demanding industrial automation environments. :contentReference
The module is designed for functional safety systems requiring high safety classifications. When configured in dual-channel mode it supports safety levels up to SIL 3 / Category 4 / PL e, while single-channel configurations can achieve SIL 2 / Category 2. :contentReference
Key Advantages
- Fail-safe 8-channel digital input module for safety-critical automation.
- Supports PROFIsafe communication for safety PLC integration.
- Continuous monitoring for cross-circuits and wiring faults.
- Suitable for emergency stop circuits and safety interlocks.
- Galvanic isolation between field wiring and system electronics.
- Compact DIN rail module for WAGO I/O System 750 installations.
Key Features
- 8 fail-safe digital inputs with test pulse monitoring.
- Two clock outputs (T1 and T2) for safety signal verification.
- Continuous detection of cross-circuits and external voltage supply.
- Configurable safety parameters via WAGO engineering tools.
- PROFIsafe address configurable via DIP switch or software.
- Status LEDs for channel diagnostics and error indication.
- Compatible with PROFIsafe V2.4 and V2.6 implementations.
- DIN rail mounting for modular automation control cabinets.
Industrial Functional Safety Integration
Functional safety systems are critical for protecting personnel and machinery within automated environments. Safety-rated I/O modules monitor signals from emergency stop circuits, safety doors and machine interlocks to ensure equipment operates only under safe conditions.
The WAGO 750-662/000-004 allows safety sensors and switches to be integrated into distributed control architectures using the WAGO I/O System 750 platform. By combining PROFIsafe communication with fail-safe digital inputs, engineers can implement standards-compliant safety architectures within machine and process automation systems. :contentReference
Typical Applications
- Emergency stop circuits in industrial machinery.
- Safety door and guard monitoring systems.
- Machine safety interlocks and protective circuits.
- Industrial robotics safety systems.
- Distributed safety monitoring networks.
Technical Specifications
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| Number of I/O | 8 | |
|---|---|---|
| Product Series | WAGO I/O System 750 | |
| Device Type | Digital I/O Module | |
| Voltage | 24 V | |
| IP Rating | IP20 | |
| Series | I/O System 750 | |
| Module type | Fail-safe digital input module | |
| Number of inputs | 8 digital inputs | |
| Safety protocol | PROFIsafe | |
| Input type | Clock-sensitive fail-safe inputs | |
| Test pulse outputs | 2 (T1, T2) | |
| Input current (typ.) | approx. 3 mA | |
| Maximum input frequency | 50 Hz | |
| Field supply voltage | 24 V DC (SELV/PELV) | |
| System supply voltage | 5 V DC via internal system bus | |
| Power consumption | approx. 120 mA (system supply) | |
| Connection technology | WAGO CAGE CLAMP® spring terminals | |
| Mounting | DIN-35 rail | |
| Dimensions (W × H × D) | approx. 24 × 100 × 67.8 mm | |
| Protection rating | IP20 | |
| Operating temperature | 0 to 55 °C | |
| HS Code | 85389099 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the WAGO 750-662/000-004 used for?
This module connects safety devices such as emergency stop buttons, interlock switches and safety sensors to PLC automation systems using the PROFIsafe protocol.
How many safety inputs does the module provide?
The module provides eight fail-safe digital inputs designed for safety-critical applications.
What safety standards can it support?
When configured correctly, the module can support safety classifications up to SIL 3 / Category 4 / Performance Level e.
How are wiring faults detected?
The inputs are monitored using clock signals from two test pulse outputs, enabling detection of cross-circuits and external voltage interference.
Which automation platforms support this module?
The module integrates with WAGO I/O System 750 fieldbus couplers and controllers supporting PROFIsafe communication.
Trusted by Automation Engineers
WAGO safety I/O modules are widely deployed in machine automation systems to implement reliable functional safety architectures compliant with international industrial safety standards.
