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- Yokogawa
- SSB401
- ESB Bus Interface Slave Module
- Japan
- 130 mm × 265 mm × 340 mm
- 5.2kg
- Xiamen, China
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SSB401 Technical Overview and Related Industrial Control Modules
1. Brand Information
The SSB401 is associated with a major industrial automation equipment manufacturer specializing in distributed control systems (DCS), process control platforms, and high-reliability field communication hardware.
Equipment in this category is designed for continuous operation in demanding industrial environments where system stability, signal integrity, and long-term lifecycle performance are critical.
2. Product Series Information
The SSB401 belongs to the SSB400-series system bus and communication interface family.
This series is designed for:
- System-level signal and communication bus interfacing
- Distributed control system internal data exchange
- High-reliability industrial automation communication
- Redundant architecture support for plant-wide systems
- Long-term stable operation in harsh environments
The SSB400 series is typically used as a backbone communication and interface layer within DCS architectures.
3. Product Overview
The SSB401 is a system communication interface module used in distributed control system environments. It functions as a system bus interface component, enabling communication between controllers, node modules, and other system-level hardware components.
The module ensures stable data transmission across internal system buses and supports synchronized communication between multiple control layers.
It is typically installed in control cabinets or system racks and serves as a foundational communication element in industrial automation systems.
4. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | SSB401 |
| Product Type | System Bus / Communication Interface Module |
| System Function | Internal DCS communication and system bus data exchange |
| Application Role | Controller and module interconnection interface |
| Communication Method | High-reliability system bus architecture |
| Data Handling | Signal routing, synchronization, internal system communication |
| Power Supply | 24 V DC industrial standard |
| Redundancy Support | Supported (system-level redundancy architecture) |
| Installation Type | Rack-mounted module |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Relative Humidity | 10% – 90% (non-condensing) |
| Electrical Isolation | Industrial-grade isolation and noise suppression |
| Dimensions (W × H × D) | Approx. 130 mm × 265 mm × 340 mm |
| Weight | Approx. 5.2 kg |
| Housing Material | Industrial-grade metal chassis |
| Maintenance Type | Modular plug-in replacement design |
| Application Environment | Industrial control cabinets and system racks |
5. Product Introduction
The SSB401 is designed as a core system bus interface module within distributed control systems. It provides reliable communication between system components, ensuring that controllers and functional modules exchange data efficiently and synchronously.
The module is typically used in centralized control cabinets where stable system-level communication is required. It plays a critical role in maintaining internal system coordination and data integrity.
The design emphasizes robustness, noise immunity, and long-term operational stability in industrial environments.
6. Product Applications
The SSB401 is widely used in industrial automation systems requiring stable internal communication infrastructure.
Typical application fields include:
- Petrochemical processing plants
- Oil refining and production facilities
- Power generation control systems
- Chemical manufacturing plants
- Metallurgical and steel production systems
- Industrial automation monitoring systems
- Large-scale process control environments
In these applications, the module acts as a system communication backbone ensuring reliable data exchange across control system components.
7. Product Advantages
The SSB401 provides several key advantages:
- Stable and reliable system-level communication
- Suitable for continuous industrial operation
- Strong resistance to electromagnetic interference
- Modular design for easy maintenance and replacement
- Long lifecycle for industrial environments
- Supports redundant system architecture
- Compact and rack-friendly design
- High stability under industrial load conditions
8. Related Models (Same Series / Closely Related Units)
| Model | Description | Key Characteristics | Dimensions & Weight |
|---|---|---|---|
| SSB400 | Basic system bus module | Entry-level communication interface | 130 × 265 × 330 mm, approx. 5.0 kg |
| SSB401 | Standard system bus module | Stable internal communication | 130 × 265 × 340 mm, approx. 5.2 kg |
| SSB402 | Enhanced bus module | Improved data handling capacity | 130 × 265 × 345 mm, approx. 5.4 kg |
| SSB410 | Advanced bus module | Higher system integration capability | 135 × 270 × 350 mm, approx. 5.8 kg |
| SSB451 | High-performance bus module | Optimized for large-scale systems | 135 × 270 × 355 mm, approx. 6.0 kg |
9. Same Brand Popular Models (Related Industrial Modules)
| Model | Product Type | Functional Description | Dimensions & Weight |
|---|---|---|---|
| ADV551-P50 | Digital input module | High-density digital signal acquisition unit | 110 × 130 × 45 mm, approx. 0.6 kg |
| ADV561-P00 | Digital output module | Industrial actuator output control module | 110 × 130 × 45 mm, approx. 0.65 kg |
| AAI543-H00 | Analog input module | Precision analog signal measurement module | 110 × 130 × 45 mm, approx. 0.7 kg |
| AAI841-S00 | Analog output module | Stable analog signal output module | 110 × 130 × 45 mm, approx. 0.7 kg |
| CP451-10 | Control processor module | Central processing and system control unit | 140 × 130 × 50 mm, approx. 0.9 kg |
10. Engineering Summary
The SSB401 is a system-level communication interface module used in distributed control systems. It ensures stable internal data exchange between controllers and system modules, maintaining overall system synchronization and reliability.
Its design focuses on industrial robustness, long-term stability, and compatibility with redundant system architectures. It is widely used as a foundational communication component in large-scale automation environments.