I/O modules

Product Overview

The YOKOGAWA EC402-50 is an ESB Bus Coupler Module designed for N-IO and FIO systems.
It serves as an ESB bus master interface, enabling smooth communication between Field Control Stations (FCS) and multiple I/O modules.
The module supports non-redundant and dual-redundant ESB bus configurations with high-speed 128 Mbps data transmission.

Key Features

• Functions as ESB bus master interface.
• Supports up to 9 units on upper and lower sides (total max 13 units, depending on FCS database).
• High-speed data transmission: 128 Mbps.
• Supports non-redundant or dual-redundant bus configurations.
• Compact and lightweight: 0.24 kg.
• Low power consumption: 0.5 A.

Node Connectivity

• Upper Side: Maximum 9 units.
• Lower Side: Maximum 9 units.
• Total: Maximum 13 units (depends on FCS configuration).

Data Transmission

• Transmission Speed: 128 Mbps for I/O data.
• Transmission Distance:
  • Upper Side: 10 m
  • Lower Side: 10 m
  • Total Distance: 20 m

Installation Requirements

• Non-Redundant ESB Bus: Install in slot 7 of AFV30S/D, AFV40S/D, A2FV50S/D, A2FV70S/D; cover slot 8 with dummy module.
• Dual-Redundant ESB Bus: Install modules in both slot 7 and slot 8.

Model and Suffix Codes

• Model: EC402
• Part Number: EC402-50
• Description: ESB Bus Coupler Module (for N-IO/FIO, 2-Port)
• Suffix Codes:
  • -5: Standard type, no explosion protection
  • 0: Basic type

Physical Specifications

• Weight: Approx. 0.24 kg
• Current Consumption: 0.5 A

This module ensures reliable communication and high-speed I/O performance in Yokogawa automation systems.

Details