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Yokogawa SEC402-51 ESB Bus Coupler Module

Yokogawa SEC402-51 ESB Bus Coupler Module

  • 1000 En stock
  • Manufacturer: Yokogawa

  • Product No.: SEC402-51

  • Condition: En stock

  • Product Type: ESB Bus Coupler Module

  • Product Origin: Japan

  • Payment:T/T, Western Union

  • Weight: 300g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Descripción

Overview

The Yokogawa SEC402‑51 is a high-performance ESB Bus Coupler Module designed for CENTUM VP and CENTUM CS 3000 Distributed Control Systems. It serves as a communication bridge between the Field Control Unit (FCU) and remote I/O nodes, providing deterministic, high-speed, and reliable data transfer. Engineered for long-term industrial operation, this module is ideal for petrochemical, power generation, refining, and other mission-critical environments.

Key Features

  • Acts as the master-side bus coupler between FCU and remote I/O stations

  • Supports multi-drop ESB network topologies

  • Built-in communication health monitoring and diagnostics

  • Redundant dual-coupler configuration support for enhanced reliability

  • Low-power design suitable for continuous operation

Technical Specifications

General Characteristics

Parameter Specification
Model SEC402‑51
Type ESB Bus Coupler Module
System Compatibility CENTUM VP / CENTUM CS 3000
Subsystem FIO (Field I/O)
Function Provides ESB bus communication between FCU and remote I/O

Communication Characteristics

Parameter Specification
Bus Type ESB (Extension Serial Bus)
Communication Role Master-side bus coupler
Data Transmission High-speed, deterministic serial communication
Supported Topology Multi-drop ESB remote I/O architecture
Redundancy Supports dual-coupler redundant configuration
Error Handling Built-in diagnostics and communication health monitoring

Electrical Characteristics

Parameter Specification
Power Supply Provided via FCU baseplate
Power Consumption Low-power design
Isolation Electrical isolation between ESB bus and internal circuits

Mechanical Characteristics

Parameter Specification
Mounting Plug-in installation on FCU baseplate
Weight 0.3 kg
Connector Type ESB bus connector for remote I/O link

Environmental Ratings

Parameter Specification
Operating Temperature –20 °C to +55 °C (cabinet dependent)
Humidity 5–95% RH, non-condensing
EMC Performance Industrial-grade noise immunity

Applications

  • Process control in petrochemical plants

  • Power generation and energy management systems

  • Refining and chemical production lines

  • Any industrial setup requiring high-speed remote I/O communication with redundancy

FAQ (Frequently Asked Questions)

Q: Which remote I/O modules are compatible with SEC402‑51?
A: Compatible with all ESB remote I/O modules in CENTUM VP and CS 3000 systems.

Q: Does this module support redundancy?
A: Yes, dual-coupler redundant configurations are supported for higher reliability.

Q: What are the operating temperature and humidity ranges?
A: –20 °C to +55 °C, with 5–95% RH non-condensing.

Q: Is the module power-efficient?
A: Yes, it features a low-power design powered via the FCU baseplate.

Q: Does the module have diagnostic functions?
A: Yes, it includes built-in communication health monitoring to quickly detect bus faults.

Características

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