ULK-EIP-4A4BP6 – Unitronics IO-LINK MASTER,4A4B,EIP,IP67

Why Choose the Unitronics ULK-EIP-4A4BP6 IO-Link Master?

The Unitronics ULK-EIP-4A4BP6 is an industrial IO-Link master module with Ethernet/IP communication designed to connect smart sensors and actuators directly to PLC-based automation systems. The module provides 8 IO-Link ports consisting of 4 Class A and 4 Class B ports, allowing flexible integration of both sensors and higher-power actuators within distributed automation architectures.

The module communicates with the control system via Ethernet/IP, enabling seamless integration with PLCs, HMIs and industrial networks. With its rugged IP67 field-mountable housing, the ULK-EIP-4A4BP6 can be installed directly on machinery or production lines without requiring a control cabinet, reducing wiring complexity and installation time.

Designed for modern smart-factory environments, the IO-Link master enables centralised device management, real-time sensor data acquisition and predictive maintenance capabilities, improving machine transparency and system efficiency.

Key Advantages

• Connects multiple IO-Link sensors and actuators through a single Ethernet/IP interface.
• Supports both Class A and Class B IO-Link ports for flexible device connectivity.
• IP67 field-mountable design suitable for harsh industrial environments.
• Reduces wiring complexity compared with traditional cabinet-based I/O systems.
• Enables smart sensor diagnostics and predictive maintenance.

Key Features

• IO-Link master module for industrial automation systems.
• 8 IO-Link ports (4 Class A + 4 Class B).
• Ethernet/IP communication for PLC integration.
• M12 connectors for field device connections.
• Supports distributed automation architectures.
• IP67 protection rating for machine-mounted installation.
• Compatible with Unitronics UniStream PLC systems.

Technical Specifications

• Manufacturer: Unitronics
• Model: ULK-EIP-4A4BP6
• Product type: IO-Link master module
• Ports: 8 IO-Link ports (4 Class A + 4 Class B)
• Communication protocol: Ethernet/IP
• Connector type: M12 industrial connectors
• Protection rating: IP67
• Supply voltage: 18–30 V DC
• Max cable length for IO-Link: up to 20 m
• Dimensions: approx. 205 × 60 × 34.5 mm

IO-Link Communication in Industrial Automation

IO-Link technology enables bidirectional communication between sensors, actuators and PLC systems using standard industrial cables. By deploying an IO-Link master such as the ULK-EIP-4A4BP6, engineers can connect multiple devices while maintaining centralised control, diagnostics and parameter configuration across the automation network.

This architecture improves production efficiency by enabling advanced device monitoring, remote configuration and predictive maintenance strategies in modern Industry 4.0 manufacturing environments.

Typical Applications

• Industrial sensor and actuator networks.
• Machine automation systems.
• Packaging and assembly equipment.
• Conveyor and material handling systems.
• Smart factory and Industry 4.0 installations.

Trusted by Automation Engineers

Unitronics IO-Link masters are widely trusted by machine builders and automation engineers for reliable field device connectivity and advanced sensor diagnostics in modern industrial control systems.