Yokogawa EC401-50 ESB Bus Coupler Module

Product Description

The EC401-50 is a single-port ESB bus coupler module for Yokogawa CENTUM VP DCS system. It connects the Field Control Unit (FCU) with N-IO / FIO node units, realizes high-speed real-time data communication on ESB bus, expands remote I/O capacity for the control station. It is widely used in process control cabinets to build stable distributed I/O network for continuous production.

Features

• Part No: EC401-50, Brand: Yokogawa
• Type: ESB bus coupler module, single port
• System: CENTUM VP DCS, compatible with N-IO and FIO I/O
• Transmission speed: 128 Mbps, max transmission distance 10 m
• Max connectable node units: 9 units
• Power supply: 24V DC, current consumption 0.5A
• Support hot swap for online maintenance
• Built-in self-diagnosis and status indicator LED
• Galvanic isolation design, anti-interference for industrial environment
• Conformal coating, compliant with IEC 61010-1

Applications

• Petrochemical and refinery DCS control system
• Power plant, chemical plant continuous process control
• Oil & gas on-site control cabinet and remote I/O expansion
• Pulp & paper, pharmaceutical and water treatment automation

FAQ

• Q: What system is EC401-50 applicable to?
  A: It is designed for Yokogawa CENTUM VP DCS, works with N-IO/FIO node units.
• Q: What is the communication speed of ESB bus?
  A: 128 Mbps, maximum transmission distance 10 meters.
• Q: Can it be replaced online without stopping the system?
  A: Yes, it supports hot swap function.
• Q: What is the difference between EC401-50 and EC401-51?
  A: EC401-50 is standard non-explosion-proof version, EC401-51 is for hazardous area application.