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.
Original price was: £333.99.£300.59Current price is: £300.59.
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
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
| 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 |
This module connects safety devices such as emergency stop buttons, interlock switches and safety sensors to PLC automation systems using the PROFIsafe protocol.
The module provides eight fail-safe digital inputs designed for safety-critical applications.
When configured correctly, the module can support safety classifications up to SIL 3 / Category 4 / Performance Level e.
The inputs are monitored using clock signals from two test pulse outputs, enabling detection of cross-circuits and external voltage interference.
The module integrates with WAGO I/O System 750 fieldbus couplers and controllers supporting PROFIsafe communication.
WAGO safety I/O modules are widely deployed in machine automation systems to implement reliable functional safety architectures compliant with international industrial safety standards.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...