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- Yokogawa
- F3SP66-4S
- Sequential CPU Module
- Japan
- 28.9 x 100 x 113.2 mm
- 0.22 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa F3SP66-4S is a high-performance Sequential CPU Module designed for the FA-M3V PLC platform. As the core processor of the automation system, it executes ladder logic programs, manages I/O processing, performs high-speed data calculations, and coordinates communication between local and remote modules.
Designed for advanced industrial automation, the F3SP66-4S integrates high-speed processing, large memory capacity, built-in networking capabilities, and flexible expansion, making it ideal for complex machine control, process automation, and high-speed manufacturing applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | F3SP66-4S |
| Product Type | Sequential CPU Module |
| PLC Platform | FA-M3V Series |
| Control Method | Stored Program Cyclic Execution |
| Programming Language | Object Ladder Language |
| Program Capacity | 120K Steps |
| Basic Instruction Execution Speed | 0.00375 μs per instruction |
| Application Instruction Speed | 0.0075 μs per instruction |
| Maximum I/O Capacity | Up to 4,096 I/O Points |
| Communication Ports | Ethernet (10BASE-T/100BASE-TX), USB 2.0 |
| Memory Expansion | SD Memory Card Slot |
| Control Modes | Cyclic Scan, Constant Scan, Interrupt Processing |
| Built-in Functions | TCP/IP, UDP/IP, FTP, Modbus/TCP, Remote Programming |
| Diagnostic Functions | CPU, Memory, I/O, Program Self-Diagnostics |
| Power Supply | 5 V DC (via FA-M3 Base Unit) |
| Dimensions | 28.9 × 100 × 113.2 mm |
| Weight | 0.22 kg |
Function and Working Principle
The F3SP66-4S continuously executes the PLC scan cycle by reading input data, processing user-defined ladder programs, updating internal memory, and refreshing output signals.
Its high-speed processor and integrated communication functions enable rapid execution of complex control algorithms while supporting real-time networking and remote maintenance.
Operating Sequence
- Read input signals from local and remote I/O modules.
- Execute the ladder logic program.
- Process arithmetic, logic, timer, and communication instructions.
- Update internal memory and system registers.
- Refresh output modules.
- Repeat the scan cycle continuously for real-time control.
Input→CPU Processing→Ladder Execution→OutputInput\rightarrow CPU\;Processing\rightarrow Ladder\;Execution\rightarrow Output
Key Features
- High-speed sequential control processing
- 120K-step program capacity
- Ultra-fast instruction execution
- Supports up to 4,096 I/O points
- Integrated Ethernet and USB communication
- SD memory card support for program backup and data storage
- Multiple network protocols for industrial communication
- Built-in diagnostics and error logging
- Online programming and debugging
- Flexible expansion for large automation systems
System Role
The F3SP66-4S functions as the primary controller within the FA-M3V PLC system, coordinating all automation tasks and communication between connected devices.
Typical Control Architecture
Sensors → Input Modules → F3SP66-4S CPU → Output Modules → Motors, Valves, Actuators
The CPU provides deterministic control while enabling seamless communication with supervisory systems and remote devices.
Industrial Applications
The F3SP66-4S is suitable for a wide range of industrial automation applications, including:
- High-speed manufacturing lines
- Automotive production
- Semiconductor manufacturing
- Packaging and labeling systems
- Robotics and motion control
- Material handling systems
- Process automation
- Water and wastewater treatment
- Energy management systems
- Chemical and pharmaceutical production
Installation Guidelines
- Install the module in a compatible FA-M3V base unit.
- Disconnect system power before installation or replacement.
- Ensure compatibility with power supply and expansion modules.
- Secure the module firmly in the backplane connector.
- Connect Ethernet and USB interfaces as required.
- Install an SD memory card if additional storage or backup is needed.
- Ensure proper grounding and adequate cabinet ventilation.
- Verify system operation after installation using the diagnostic indicators.
Compatible Components
The F3SP66-4S is compatible with:
- FA-M3V Base Units
- FA-M3 Power Supply Modules
- Digital Input Modules
- Digital Output Modules
- Analog Input Modules
- Analog Output Modules
- Ethernet Communication Modules
- Serial Communication Modules
- Motion Control Modules
- Positioning Modules
- Remote I/O Modules
- Special Function Modules
Alternative Models
| Model | Description |
|---|---|
| F3SP38-6N | High-Performance CPU Module |
| F3SP58-6S | Advanced Sequence CPU Module |
| F3SP67-6S | High-Capacity Sequential CPU Module |
| F3SP71-4S | Network-Enabled CPU Module |
| F3SP76-7S | Premium High-Performance CPU Module |
Advantages
- High-speed instruction execution
- Large 120K-step program capacity
- Integrated Ethernet and USB interfaces
- SD card support for data storage and backup
- Advanced networking capabilities
- Flexible modular expansion
- Comprehensive self-diagnostic functions
- Reliable continuous industrial operation
Frequently Asked Questions
What is the primary function of the F3SP66-4S?
It serves as the central CPU of the FA-M3V PLC system, executing control programs, processing I/O data, and managing communication across the automation system.
What is the program capacity of this CPU?
The F3SP66-4S supports 120K steps of ladder program memory.
Does the module include built-in communication interfaces?
Yes. It includes Ethernet (10BASE-T/100BASE-TX) and USB 2.0 interfaces, along with support for an SD memory card.
How many I/O points can it control?
The module supports up to 4,096 I/O points in an FA-M3V automation system.
What industries commonly use the F3SP66-4S?
It is widely used in manufacturing, robotics, automotive production, semiconductor fabrication, process automation, packaging, energy management, and other high-performance industrial control applications.
Conclusion
The Yokogawa F3SP66-4S Sequential CPU Module is a powerful controller for the FA-M3V PLC platform, combining 120K-step program capacity, ultra-fast instruction execution, integrated Ethernet and USB communication, SD memory expansion, and comprehensive diagnostic functions. Its high-speed performance and advanced networking capabilities make it an excellent choice for complex, large-scale industrial automation systems.