Description

The Yokogawa EC402-51 is a high-speed ESB Bus Coupler Module engineered to connect Field Control Units and Node Units within ProSafe-RS systems. It supports dual-redundant ESB bus architecture and delivers extended transmission distances with enhanced reliability.

Specifications

• Function: ESB Bus Coupler Module

• Manufacturer: Yokogawa

• Model Number: EC402-51

• Connectable Units: Upper side: max. 9 units; lower side: max. 9 units; total: max. 13 units

• Transmission Speed: 128 Mbps for I/O module data exchange

• Transmission Distance: Upper side: max. 10 m; lower side: max. 10 m; total: max. 20 m

• Current Consumption: 0.5 A under standard operating conditions

• Weight: Approximately 0.24 kg for easy panel integration

• Operating Temperature: 0°C to 55°C with stable performance

• Mounting: Panel mount configuration for compact installations

• Power Supply: 24 V DC ±10% or 100–240 V AC, 50/60 Hz depending on variant

Features

• High-Speed Communication: Enables rapid data transfer across ESB bus networks

• Dual-Redundant Bus Support: Enhances system reliability and fault tolerance

• Compact Panel Design: Saves space in control cabinets and simplifies installation

• Vnet/IP Compatibility: Integrates seamlessly with Yokogawa control platforms

• Extended Transmission Range: Offers up to 20 meters of total bus distance

• Stable Power Options: Supports both DC and AC input for flexible deployment

• Robust Industrial Build: Designed for continuous operation in demanding environments