Product Overview

The Yokogawa AIP502 S1 is a high-performance V-Net Coupler Module designed for the CENTUM VP Distributed Control System (DCS). It serves as a specialized communication interface that bridges internal system buses, allowing for the expansion and coupling of V-Net domains. This module is essential for maintaining high-speed, deterministic data exchange between Field Control Stations (FCS) and Human Interface Stations (HIS), ensuring real-time process visibility and control across the industrial network.

Engineered for the rigorous demands of process industries, the AIP502 S1 facilitates the extension of the V-Net control bus, which is the backbone of Yokogawa’s legacy and modern automation architectures. It provides the physical and logical link required to maintain network integrity, supporting the high-availability requirements of power plants, refineries, and chemical facilities.

Technical Specifications

• Manufacturer: Yokogawa

• Model Number: AIP502 S1

• Module Type: V-Net Coupler Module

• System Compatibility: CENTUM VP / CENTUM CS 3000

• Network Protocol: V-Net (Proprietary high-speed control bus)

• Power Supply: 24 V DC

• Current Consumption: Max. 0.5 A

• Operating Temperature: -20°C to +55°C

• Mounting: Rack-mountable (DCS Interface Slot)

• Dimensions: 50 mm x 250 mm x 128 mm

• Weight: 0.50 kg

• Origin: Japan

Key Technical Characteristics

• Deterministic Communication: Optimized for the V-Net protocol to ensure that time-critical control data is transmitted with minimal latency and zero jitter, which is vital for safety and regulatory control loops.

• Redundant Architecture Support: Designed to work in dual-redundant configurations, providing automatic failover capabilities to prevent communication blackouts during hardware or cable faults.

• Industrial Hardening: Features a ruggedized build to withstand electromagnetic interference (EMI) and temperature fluctuations common in heavy industrial control rooms.

• Seamless Network Coupling: Acts as a transparent gateway for signal repeaters and V-Net domains, allowing for complex, large-scale plant network topologies without compromising signal strength.

• Legacy Integration: While part of the CENTUM VP range, it maintains compatibility with established V-Net hardware, facilitating the maintenance and expansion of existing DCS infrastructures.

• High Dielectric Strength: Provides electrical isolation between connected segments to protect sensitive control station electronics from field-side electrical surges.