Yokogawa EC401-51 S3 Bus Coupler Module

Overview

The Yokogawa EC401-51 S3 is an ESB bus coupler module designed for distributed control system (DCS) architectures. It provides a stable and reliable communication link between field I/O modules and the control station, ensuring consistent data exchange and high system availability in industrial process automation applications.

General Information

Part Number: EC401-51 S3

Manufacturer: Yokogawa

Brand: Yokogawa

Country of Origin: Japan

Series: ESB Bus System

Type: Bus Coupler Module

Mounting: Rack-mounted installation

Application: DCS communication interface, ESB bus I/O expansion, and system integration

Power Specifications

Input Voltage: 5 V DC (system backplane supply)

Power Consumption: Low-power communication module

Protection Features: Electrical isolation and stable signal integrity design

Status Indicators: LED indicators for communication status and module health

Communication & Interface

Interface Type: ESB Bus communication interface

Function: Connects I/O modules to the DCS control station via ESB bus

Data Transfer: High-speed and stable bus communication support

Diagnostics: Communication monitoring and fault detection

Connection Type: Backplane and ESB bus connectors

Environmental

Operating Temperature: 0 to +60 °C

Storage Temperature: −20 to +70 °C

Relative Humidity: 5% to 95% non-condensing

Protection Rating: Industrial control cabinet environment

Dimensions & Weight

Dimensions (L × W × H): 130 × 129.5 × 32.8 mm

Weight: 0.24 kg

Engineered for dependable ESB communication in continuous process control systems.