Yokogawa SB401-50 ESB Bus Interface Slave Module

Product Overview

The Yokogawa SB401-50 is a high-performance ESB Bus Interface Slave Module. It is designed for demanding industrial automation environments. This module acts as a key communication node within a Yokogawa DCS system. It ensures reliable data exchange between controllers and field devices. The SB401-50 supports both AC and DC power supplies for flexible installation. It includes 8 I/O modules for direct signal processing. This unit is new and in original factory packaging. It comes with a 12-month factory warranty for peace of mind.

Application Scenarios

This module is ideal for process control in chemical plants. It works well in oil and gas refineries. It is also suitable for power generation facilities. The SB401-50 handles high-speed data transfer on the ESB bus. It connects remote I/O racks to the main controller. Use it for batch control, continuous processing, and safety systems. Its robust design suits harsh industrial conditions. The module supports both standard and basic type configurations.

Technical Specifications

Power supply options are 100-120 V AC or 220-240 V AC. Both AC options run at 50 or 60 Hz. It also accepts 24 V DC input. Power consumption is 200 VA (120 W) for 100-120 V AC. It uses 230 VA (120 W) for 220-240 V AC. At 24 V DC, it draws 5.5 A. The unit weighs about 10 kg. This weight includes 8 I/O modules. The suffix code -5 means standard type with no explosion protection. The suffix 0 indicates a basic type.

Installation & Maintenance Guide

Mount the module on a standard DIN rail. Ensure proper grounding before connecting power. Use the correct voltage setting for your supply. Check all wiring connections for tightness. Do not expose the unit to excessive moisture. Keep the module free from dust and debris. Periodically inspect the I/O modules for damage. Replace any faulty modules with genuine Yokogawa parts. The module is hot-swappable in most systems. Always follow the system manual for detailed steps.

Packing List

Your shipment includes one Yokogawa SB401-50 ESB Bus Interface Slave Module. It also includes 8 pre-installed I/O modules. The unit is packed in original factory packaging. A quick start guide is included. No additional cables or brackets are supplied. We ship via Fedex, UPS, or DHL. All shipments are insured and tracked.