Overview

The SB401-11 is a compact, high-performance bus interface module designed by Yokogawa for use in distributed control systems (DCS) and automation platforms. It connects seamlessly to the ESB bus, enabling fast data transfer between master units and slave devices. Moreover, its isolation design ensures robust performance in harsh industrial environments, while compliance with IEC 61850-3 and IEC 61131-2 standards guarantees safety and reliability.

This module is widely used in oil & gas, petrochemical, power generation, and utilities, where secure communication and fault tolerance are critical.

Technical Data

Typical Applications

• Distributed Control Systems (DCS): Provides communication between ESB master and slave devices.

• Process Automation: Used in chemical and petrochemical plants for secure signal transmission.

• Safety Systems: Ensures reliable input/output interfacing in safety-critical applications.

• Power Generation: Applied in turbine and boiler systems requiring robust communication modules.

• Utilities: Supports water treatment and energy distribution systems with fault-tolerant bus communication.

FAQ

Q1: What is the primary function of the SB401-11?
A1: It acts as an ESB bus interface slave module, providing 16 digital inputs and 16 digital outputs.

Q2: Is it suitable for harsh environments?
A2: Yes, it is designed for industrial environments and complies with IEC 61850-3 and IEC 61131-2 standards.

Q3: What voltage does it operate on?
A3: It supports 24 V DC input and output signals.

Q4: How many channels does it provide?
A4: It offers 16 isolated digital inputs and 16 isolated digital outputs.

Q5: What industries typically use this module?
A5: It is widely applied in oil & gas, chemical, power generation, and utilities.