EC402-51 Overview

The Yokogawa ESB Bus Coupler Module EC402-51 is an ESB Bus Coupler Module with ISA G3 protection, enabling dual-redundant, high-speed communication between the Field Control Unit and Node Units.

Key Features

Enhanced Connectivity: Features two ESB bus ports, supporting up to 13 node units total for expanded I/O capacity.

Dual-Redundancy: Enables redundant ESB bus configuration when two modules are installed for high availability.

High Speed: Provides fast 128 Mbps transmission speed for efficient I/O data communication.

Extended Distance: Offers longer transmission distance than EC401, with up to 20 meters total bus length.

Broad Compatibility: Compatible with multiple FIO Field Control Unit models (AFV30, AFV40, A2FV50, A2FV70 series).

Environmental Resistance: Includes ISA Standard G3 coating for protection against severe industrial environments.

FAQ

Q1: What is the function of the EC402-51?

A1: It is an ESB Bus Coupler Module that connects the Field Control Unit to Node Units via the ESB bus.

Q2: What does the ISA Standard G3 option provide?

A2: It provides conformal coating for protection against harsh industrial environments per ISA Standard G3.

Q3: How many node units can it support?

A3: It supports up to 13 node units total, with a maximum of 9 on the upper side and 9 on the lower side.

Q4: What is its transmission speed and distance?

A4: It transmits data at 128 Mbps over a maximum total distance of 20 meters.

Q5: Can it be used in a redundant configuration?

A5: Yes, installing two modules in slots 7 and 8 enables a dual-redundant ESB bus configuration.