BECKHOFF IP2301-B400 Fieldbus Box Digital I/O Module

Description

Designed for direct installation in demanding industrial environments without a control cabinet, the IP2301-B400 provides a robust interface between Interbus networks and decentralized field sensors or actuators. This fieldbus box features a balanced combination of four digital inputs and four digital outputs in a compact, IP67-rated housing. By routing physical signals directly at the machine level, the module significantly minimizes wiring overhead, simplifies diagnostics, and optimizes signal propagation times.

The integrated digital inputs feature a 3 ms filter time to prevent contact bounce issues, while the short-circuit-proof digital outputs deliver up to 0.5 A per channel. Standardized M8 connectors ensure secure, vibration-resistant sensor and actuator cabling, making this unit highly suitable for dynamic mechanical setups.

Features

• Direct Interbus fieldbus connection for high-speed decentralized communication.
• Four digital inputs (24 V DC) with an integrated 3 ms input filter.
• Four short-circuit proof digital outputs rated at 0.5 A per channel.
• Compact, space-saving design with robust M8 connection technology.
• IP67 protection class allowing direct mounting on machines without protective enclosures.

Applications

• Decentralized machine control and plant automation architectures.
• Automotive manufacturing assembly lines utilizing Interbus fieldbus networks.
• Material handling, packaging machinery, and conveyor line routing.
• Industrial robotics and end-of-arm tooling control setups.

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Mount the module directly to a flat machine frame or structure using the integrated mounting holes.
• Ensure reliable grounding of the module case to the machinery frame to maximize electromagnetic compatibility (EMC).
• Tighten all M8 mating connectors to the recommended torque specifications to maintain the IP67 environmental seal.
• Route fieldbus and low-voltage control lines separate from high-noise power cables or AC motor drives to prevent signal interference.