ALF111-S00 | Yokogawa | CENTUM VP Foundation Fieldbus Unit

Product Description

High-Performance Foundation Fieldbus Interface

The Yokogawa ALF111-S00 (Model ALF111) is a high-availability Foundation Fieldbus (FF-H1) communication module designed for the Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). Operating as a critical gateway within the Field Control Station (FCS), the ALF111-S00 enables the integration of field instruments into the control network. It supports the FF-H1 protocol, allowing for multi-drop digital communication with smart transmitters and actuators, providing not only process variables but also advanced diagnostic data and device status.

Redundancy and Deterministic Data Transfer

Engineered for mission-critical industrial environments, the ALF111-S00 S1 provides a deterministic communication path essential for real-time control. This module fully supports dual-redundant configurations; when two modules are paired in an FCS, the system ensures a bumpless switchover in the event of a hardware or link failure. This ensures continuous visibility and control over the process, making it a standard choice for refineries, power plants, and chemical processing facilities where downtime is not an option.

Detailed Technical Specifications

The following technical data outlines the electrical and mechanical parameters for the ALF111-S00.