Yokogawa EC401-11 ESB Bus Coupler Module

Overview

The Yokogawa EC401-11 is a high-speed ESB Bus Coupler Module engineered for reliable communication in distributed control systems. It connects Field Control Units (FCUs) with Node Units, ensuring efficient data exchange through the Ethernet-based System Bus. This module supports redundancy, advanced compatibility, and smooth integration within CENTUM VP and CENTUM CS 3000 systems.

Technical Specifications

• Model Number: EC401-11

• Function: ESB bus interface for FCU-to-Node Unit communication

• Bus Type: ESB (Ethernet-based System Bus)

• Transmission Speed: 128 Mbps (I/O module data transmission)

• Transmission Distance: Up to 10 meters

• Connectable Units: Up to 9 Node Units (ANB10S, ANB10D, ANT401, ANT411, ANT421)

• Installation Slot: Slot 7 (single) or Slots 7 & 8 (dual-redundant)

• Dummy Module Requirement: Slot 8 requires a dummy module if not used

• Power Supply: 24 V DC

• Current Consumption: 0.5 A

• Dimensions (W × H × D): 32.8 mm × 129.5 mm × 130 mm

• Weight: 0.24 kg

• Protection Class: IP20

• Operating Temperature: –10°C to +55°C

• Humidity Range: 5% to 95% RH (non-condensing)

• System Compatibility: CENTUM VP, CENTUM CS 3000

• SEM Compatibility: Style 2 or later required for Vnet/IP SEM usage

• Processor Compatibility: Style S3 or later required for CP471 integration