Descripción
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
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Executes PID and advanced regulatory control
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Supports sequential logic and batch process control
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Interfaces with AI, AO, DI, DO, and specialty I/O nodes
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Connects to Human Interface Stations (HIS) and Engineering Workstations
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Communicates over V-net and V-net/IP networks
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Supports online download of control logic
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Includes self-diagnostics for CPU load, memory, communication, and hardware health
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Provides system-wide time synchronization
Technical Specifications
General Parameters
| Item | Specification |
|---|---|
| Model | FC311-S1 |
| Part / Order Number | AS-S9391AT-0 |
| Module Type | FCU Processor (Bus Station CPU) |
| Compatible Systems | CENTUM VP / CS 3000 |
| Installation | AFV30, AFV40, A2FV50, A2FV70 Bus Station |
| Function | Real-time control and system communication |
| Manufacturer | Yokogawa Electric Corporation |
| Origin | Japan |
Performance
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High-speed scan cycles for complex process control
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Supports hundreds of control loops and thousands of I/O points
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Deterministic execution ensures stable process automation
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Redundant CPU option enables seamless switchover in critical applications
Electrical & Environmental Conditions
| Parameter | Specification |
|---|---|
| Power Supply | Provided by Bus Station (typically 24 VDC) |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 85°C |
| Humidity | 5–95% RH, non-condensing |
| EMI / EMC | Industrial-grade compliance |
| Cooling | Passive convection |
Mechanical Parameters
| Item | Specification |
|---|---|
| Weight | 0.85 lbs |
| Mounting | Bus Station slot installation |
| Construction | Industrial-grade PCB with metal shielding |
Applications
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Central CPU for Bus Station-based process control
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Continuous and batch process automation
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Power plant and energy system automation
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Oil, gas, petrochemical, and refining industries
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High-availability systems with redundant CPU configurations
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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.
Características
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