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- Yokogawa
- SBA4D-06
- Analog Terminal Board
- Japan
- 110 x 93.5 x 58 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa SBA4D-06 Analog Terminal Board is an industrial signal termination module used in Yokogawa Distributed Control Systems (DCS), including CENTUM VP and related automation architectures. It is designed to provide secure and reliable wiring connections for analog input and output signals between field devices and control system I/O modules.
This terminal board plays a key role in ensuring signal integrity, stable wiring distribution, and safe field-to-system connectivity in industrial automation environments such as oil & gas, petrochemical, and power generation plants.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | SBA4D-06 |
| Product Type | Analog Terminal Board |
| Function | Analog Signal Termination / Wiring Interface |
| System Compatibility | Yokogawa CENTUM VP / DCS Systems |
| Channel Capacity | 16 analog channels |
| Mounting Type | DIN rail mount |
| Installation | Control cabinet / field termination unit |
| Dimensions | 110 × 93.5 × 58 mm |
| Weight | 0.2 kg |
| Operating Temperature | -20°C to +60°C |
| Electrical Interface | Analog I/O signal termination |
| Configuration | Single / redundant system support (system dependent) |
| Country of Manufacture | Japan |
Function and Working Principle
The SBA4D-06 works as a field wiring termination interface between analog field instruments and DCS input/output modules.
Its main functions include:
- Providing secure termination points for analog signals
- Connecting field sensors (pressure, temperature, flow, etc.) to control systems
- Supporting organized and safe cabinet wiring distribution
- Reducing wiring errors and improving maintenance efficiency
- Ensuring stable analog signal transmission to I/O modules
In operation, field signals are routed through the terminal board before being processed by the system’s analog input/output modules, helping maintain signal stability and reducing electrical noise interference.
Role in Industrial Control Systems
Within Yokogawa DCS architecture, the SBA4D-06 acts as a passive interface layer, connecting:
- Field transmitters and sensors
- Analog input/output modules
- Control system backplanes
- Field Control Units (FCU)
- Junction and cabinet wiring systems
This structure allows the control system to maintain clean separation between field wiring and system electronics, improving safety and maintainability.
Industrial Applications
The Yokogawa SBA4D-06 is widely used in:
- Distributed Control Systems (DCS)
- Oil and gas production facilities
- Petrochemical processing plants
- Power generation stations
- Chemical manufacturing industries
- Water and wastewater treatment systems
- Industrial automation cabinets
- Process instrumentation systems
It is especially important in environments where large numbers of analog signals must be organized and reliably terminated.
Installation and System Integration
Proper installation ensures safe and stable signal performance.
Recommended practices include:
- Mount on DIN rail inside control cabinets
- Ensure correct channel wiring labeling
- Use shielded cables for analog signal integrity
- Maintain proper grounding to reduce noise interference
- Verify wiring continuity before system startup
- Follow Yokogawa system wiring standards
Correct installation improves long-term reliability and simplifies maintenance.
Compatible System Components
The SBA4D-06 is commonly used with:
- Yokogawa analog I/O modules
- Field Control Units (FCU)
- CENTUM VP control systems
- Signal transmitters (4–20 mA devices)
- Junction box assemblies
- Cabinet wiring systems
- Distributed process control networks
These components work together to ensure accurate process data acquisition.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| SBA4D-06 | Analog Terminal Board | 16-channel analog termination | DCS wiring systems |
| AEA4D-06 | Analog Terminal Board | Enhanced analog termination | FIO systems |
| SBD4D-06 | Digital Terminal Board | Digital signal termination | Safety systems |
| SEA4D-06 | Analog Terminal Board | Dual redundant channels | SIS applications |
| Yokogawa Terminal Series | Terminal System | Modular wiring solutions | Industrial cabinets |
Key Advantages
- Stable and reliable analog signal termination
- Simplifies field wiring organization
- Reduces installation and maintenance complexity
- Strong compatibility with Yokogawa DCS systems
- Compact and lightweight industrial design
- Improves signal integrity in control cabinets
- Supports structured automation wiring layouts
- Suitable for continuous industrial operation
- Enhances system safety and maintainability
Technical FAQs
What is the main function of SBA4D-06?
It is used to terminate and organize analog field wiring before signals are sent to the DCS I/O system.
Is it an active electronic module?
No. It is a passive terminal board without signal processing functions.
Where is it used?
It is used inside Yokogawa DCS control cabinets for analog signal wiring.
Does it amplify or convert signals?
No. It only provides physical connection points for analog signals.
Conclusion
The Yokogawa SBA4D-06 Analog Terminal Board is a key wiring interface component in Yokogawa Distributed Control Systems. It ensures safe, organized, and reliable termination of analog field signals, improving system maintainability and wiring integrity. With its compact design, stable construction, and strong compatibility with industrial control systems, it plays an essential role in modern process automation infrastructure.