Yokogawa FC311 S1 Bus Station Module

Overview

The Yokogawa FC311-S1 is a high-performance central processing unit module designed for Bus Station installations in CENTUM VP and CS 3000 systems. As the core processor of the Bus Station, it executes real-time control, coordinates I/O communication, and provides reliable network interfaces. The module supports redundant CPU configurations, enabling hot-swappable operation without interrupting ongoing processes, making it ideal for mission-critical, 24/7 industrial environments.

Key Features

• Executes PID and advanced regulatory control

• Supports sequential logic and batch process control

• Interfaces with AI, AO, DI, DO, and specialty I/O nodes

• Connects to Human Interface Stations (HIS) and Engineering Workstations

• Communicates over V-net and V-net/IP networks

• Supports online download of control logic

• Includes self-diagnostics for CPU load, memory, communication, and hardware health

• Provides system-wide time synchronization

Technical Specifications

General Parameters

Performance

• High-speed scan cycles for complex process control

• Supports hundreds of control loops and thousands of I/O points

• Deterministic execution ensures stable process automation

• Redundant CPU option enables seamless switchover in critical applications

Electrical & Environmental Conditions

Mechanical Parameters

Applications

• Central CPU for Bus Station-based process control

• Continuous and batch process automation

• Power plant and energy system automation

• Oil, gas, petrochemical, and refining industries

• High-availability systems with redundant CPU configurations

• 24/7 industrial operation environments

FAQ (Frequently Asked Questions)

Q1: Does the FC311-S1 support online hot-swapping?
A1: Yes, when configured in redundant CPU mode, it allows hot-swapping without interrupting the control process.

Q2: How many I/O points can it handle?
A2: Depending on system configuration, it can support thousands of I/O points for large-scale control applications.

Q3: Which Bus Station bases are compatible?
A3: Compatible with AFV30, AFV40, A2FV50, and A2FV70 Bus Station bases.

Q4: Does the module provide network time synchronization?
A4: Yes, it ensures system-wide time synchronization for consistent process data.

Q5: Are there similar models for comparison?
A5: The FC311-S2 offers higher processing capacity and additional redundancy options, suitable for ultra-large process control systems.