Yokogawa EC401-50S3 ESB Bus Coupler Module

Overview

The Yokogawa EC401-50S3 ESB Bus Coupler Module facilitates communication between the Field Control Unit (FCU) and Node Units over the ESB bus. This module supports a seamless connection and can be installed in various Yokogawa FCU models.

Key Features

ESB Bus Interface Function

• Connects the FCU and Node Units for reliable ESB bus communication.

• Enables easy integration of Field I/O systems.

Connectivity

• Max. Connectable Units: Supports up to 9 units (ANB10S, ANB10D, ANT401, ANT411, ANT421).

• Dual-redundant configuration is possible by installing two modules in the FCU.

Transmission Specifications

• Transmission Speed: 128 Mbps for I/O module data.

• Transmission Distance: Maximum of 10 meters.

Current Consumption

• Requires 0.5 A of current for operation.

Compact Design

• Weight: Approximately 0.24 kg, ensuring easy integration without adding bulk to the system.

Installation Guidelines

• Single ESB Bus Configuration: Install the module in the 7th slot of the FCU. Cover the 8th slot with a dummy module.

• Dual-Redundant ESB Bus: Install the module in both the 7th and 8th slots for enhanced reliability.

• Only EC401-50S3 style or later is compatible with the CP471 processor module.