YOKOGAWA F3SP28-0S Sequence CPU Module | Replacement, Equivalent & Selection Guide
The YOKOGAWA F3SP28-0S is a high-performance Sequence CPU module designed for the FA-M3 Range-free Multi-controller platform. As a core processing unit in YOKOGAWA’s modular PLC architecture, it delivers reliable ladder logic execution, high-speed I/O scanning, and seamless integration with FA-M3 expansion modules. This page serves as a comprehensive selection, replacement, and compatibility reference for engineers and procurement teams sourcing the F3SP28-0S or its functional equivalents.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | F3SP28-0S |
| Brand / Manufacturer | YOKOGAWA Electric Corporation |
| Series | FA-M3 Range-free Multi-controller |
| Module Type | Sequence CPU (Ladder Logic Processor) |
| Program Memory | 60K steps |
| Data Memory | 256K words |
| Scan Time | 0.1 ms / 1K steps (basic instructions) |
| I/O Points (Max) | Up to 4,096 I/O points (system-dependent) |
| Communication Ports | RS-232C × 1, Ethernet (via option module) |
| Programming Language | Ladder Diagram (LD), Function Block (FB) |
| Power Supply Voltage | 5 VDC (supplied via backplane) |
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | −20 °C to 70 °C |
| Humidity | 10% to 90% RH (non-condensing) |
| Weight | Approx. 290 g |
| Certifications | CE, UL (refer to YOKOGAWA datasheet for full listing) |
Compatible Replacement & Equivalent Models
When the F3SP28-0S is discontinued, difficult to source, or cost-prohibitive, the following models may serve as functional replacements or upgrades. Always verify firmware, I/O mapping, and backplane compatibility before substitution.
| Model | Brand | Relationship | Key Difference |
|---|---|---|---|
| F3SP38-0S | YOKOGAWA | Direct upgrade | Larger program memory (120K steps) |
| F3SP53-0S | YOKOGAWA | Higher-tier upgrade | Extended data memory, faster scan |
| F3SP58-0S | YOKOGAWA | Higher-tier upgrade | Enhanced communication options |
| F3SP28-0N | YOKOGAWA | Variant | Different suffix; verify compatibility |
| F3SP22-0S | YOKOGAWA | Lower-tier equivalent | Reduced memory; suitable for smaller systems |
Note: Cross-brand substitution (e.g., Siemens S7, Mitsubishi Q-series) requires full re-engineering of the control program. Contact our technical team for migration support.
Why Choose the Original F3SP28-0S
- Proven Reliability: Field-tested in thousands of industrial installations across process, manufacturing, and utility sectors.
- Native FA-M3 Integration: Plug-and-play compatibility with all FA-M3 I/O, communication, and motion modules — no adapter required.
- YOKOGAWA Ecosystem: Full support from YOKOGAWA’s ToolBox software, enabling seamless programming, diagnostics, and firmware updates.
- Long Service Life: Designed for 24/7 continuous operation in demanding industrial environments.
- Regulatory Compliance: Meets CE and UL standards for global deployment.
Typical Applications
- Chemical and petrochemical process control
- Power generation and utilities automation
- Pharmaceutical batch processing
- Food & beverage production lines
- Water treatment and environmental monitoring
- Discrete manufacturing and assembly automation
- Building management and HVAC control
System Compatibility
The F3SP28-0S is designed exclusively for the YOKOGAWA FA-M3 modular controller platform. It is compatible with:
- Backplanes: F3BU04-0N, F3BU08-0N, F3BU16-0N (4, 8, 16-slot)
- Power Supply Modules: F3PU20-0S, F3PU30-0S
- I/O Modules: All FA-M3 digital and analog I/O modules (F3XD, F3YD, F3AD, F3DA series)
- Communication Modules: F3LE01-5T (Ethernet), F3LC11-1F (PROFIBUS), F3LP02-0N (RS-232C)
- Programming Software: YOKOGAWA ToolBox (WideField3)
Selection Guide
Use the following criteria to determine whether the F3SP28-0S is the right CPU for your application:
| Requirement | Recommended Model |
|---|---|
| Program ≤ 60K steps, standard I/O | F3SP28-0S ✓ Best fit |
| Program 60K–120K steps | F3SP38-0S (upgrade) |
| Program > 120K steps or motion control | F3SP53-0S / F3SP58-0S |
| Small system, ≤ 30K steps, cost-sensitive | F3SP22-0S (downgrade) |
| Redundant CPU required | Consult YOKOGAWA FA-M3R series |
Quality Assurance & Sourcing
- Authentic Parts: All units sourced from authorized distributors or verified surplus channels with full traceability.
- Pre-shipment Testing: Each module undergoes functional verification before dispatch.
- Warranty: 12-month warranty against manufacturing defects.
- Packaging: Anti-static ESD packaging with original or equivalent protective materials.
- Documentation: Datasheet, test report, and certificate of conformity available upon request.
How to Order
- Confirm your FA-M3 backplane slot count and power supply capacity.
- Verify current firmware version requirements with your YOKOGAWA system integrator.
- Add F3SP28-0S to cart or contact us for bulk/project pricing.
- Provide your shipping address and preferred freight method at checkout.
- Receive order confirmation and tracking within 1 business day.
📧 Email: [email protected]
📞 Phone/WhatsApp: +0086 19859288691
🌐 Website: https://Konmask.com
Replacement & Compatibility FAQ
Q: Can the F3SP28-0S replace an F3SP22-0S directly?
A: Yes, in most cases. The F3SP28-0S is a higher-capacity model and is backward compatible with FA-M3 backplanes. Verify slot dimensions and power draw before installation.
Q: Is the F3SP28-0S compatible with YOKOGAWA CENTUM VP?
A: No. The F3SP28-0S is part of the FA-M3 PLC platform, which is separate from the CENTUM VP DCS architecture. They are not interchangeable.
Q: Can I use a Siemens or Mitsubishi CPU as a drop-in replacement?
A: No. Cross-brand CPU substitution requires full re-engineering of the control program, I/O mapping, and HMI integration. Contact us for migration consulting.
Q: What programming software is required?
A: YOKOGAWA ToolBox (WideField3) is required for programming, monitoring, and firmware management of the F3SP28-0S.
Q: Do you offer exchange or repair services?
A: Yes. Contact [email protected] for repair, exchange, and refurbishment options.
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