The Yokogawa EC402‑51 is an ESB bus coupler module designed to provide stable, high‑speed communication between ESB nodes and controllers within CENTUM VP and ProSafe‑RS systems.
Specifications
Manufacturer: Yokogawa
Model Number: EC402‑51
Module Type: ESB Bus Coupler Module
Function: ESB bus interface for N‑IO/FIO systems
Transmission Speed: 128 Mbps high‑speed data transfer
Connectable Nodes: Up to 9 units
Transmission Distance: Max. 10 m
Current Consumption: 0.5 A
Ports: 1‑port configuration
Weight: Approx. 0.24 kg
System Compatibility: CENTUM VP / ProSafe‑RS
Installation: Standard rack‑mounted module
Features
High‑Speed Communication: 128 Mbps ESB bus transmission for fast I/O data exchange
Node Expansion: Supports up to 9 connected ESB nodes
Stable Bus Coupling: Ensures reliable communication between controllers and I/O modules
Compact & Lightweight: Only 0.24 kg for easy installation and maintenance
Industrial Durability: Built for continuous operation in harsh plant environments
Easy Integration: Fully compatible with Yokogawa N‑IO/FIO architecture
