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- Yokogawa
- SBD4D-06
- Digital Terminal Board
- Japan
- 150 x 85.5 x 60 mm
- 0.3 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa SBD4D-06 Digital Terminal Board is an industrial field wiring termination module used in Yokogawa Distributed Control Systems (DCS), including CENTUM VP and ProSafe-RS architectures. It is designed to provide safe and organized termination for digital input and output signals between field devices and system I/O modules.
This board plays a critical role in ensuring stable digital signal transmission, structured wiring management, and high reliability in industrial automation systems, especially in safety and process control environments such as oil & gas, petrochemical, and power generation plants.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | SBD4D-06 |
| Product Type | Digital Terminal Board |
| Function | Digital Signal Termination / Wiring Interface |
| System Compatibility | Yokogawa CENTUM VP / ProSafe-RS / DCS Systems |
| Channel Capacity | 16 digital channels |
| Mounting Type | DIN rail mount |
| Installation | Control cabinet / field termination system |
| Dimensions | 150 × 85.5 × 60 mm |
| Weight | 0.3 kg |
| Operating Temperature | -20°C to +60°C |
| Electrical Interface | Digital I/O signal termination |
| Configuration | Single / redundant system support (system dependent) |
| Country of Manufacture | Japan |
Function and Working Principle
The SBD4D-06 operates as a digital signal termination interface, connecting field devices to DCS digital input/output modules.
Its core functions include:
- Providing secure termination points for digital signals
- Connecting field switches, sensors, and actuators to control systems
- Organizing cabinet wiring for digital I/O channels
- Reducing wiring complexity and installation errors
- Ensuring stable and noise-resistant signal transmission
In operation, field digital signals are routed through the terminal board before reaching system I/O modules, improving reliability and simplifying maintenance.
Role in Industrial Control Systems
Within Yokogawa DCS architecture, the SBD4D-06 acts as a passive interface layer, connecting:
- Field digital sensors and switches
- Digital input/output modules
- Field Control Units (FCU)
- Control cabinet wiring systems
- Safety instrumented systems (SIS)
This separation improves system safety, wiring organization, and long-term maintainability.
Industrial Applications
The Yokogawa SBD4D-06 is widely used in:
- Distributed Control Systems (DCS)
- Safety Instrumented Systems (SIS)
- Oil and gas production facilities
- Petrochemical processing plants
- Power generation stations
- Chemical manufacturing industries
- Water and wastewater treatment systems
- Industrial automation control cabinets
It is especially important in systems where large numbers of digital signals must be reliably managed.
Installation and System Integration
Proper installation ensures stable and safe operation.
Recommended practices include:
- Install on DIN rail inside control cabinets
- Ensure correct labeling of digital I/O channels
- Use proper shielding for field wiring where required
- Maintain proper grounding to reduce electrical noise
- Verify wiring continuity before system startup
- Follow Yokogawa wiring and installation standards
Correct installation improves system reliability and reduces maintenance effort.
Compatible System Components
The SBD4D-06 is commonly used with:
- Yokogawa digital I/O modules
- Field Control Units (FCU)
- CENTUM VP control systems
- ProSafe-RS safety systems
- Field switches and discrete sensors
- Actuators and relays
- Junction box and cabinet wiring systems
These components work together to ensure reliable digital signal acquisition and control.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| SBD4D-06 | Digital Terminal Board | 16-channel digital termination | DCS / SIS systems |
| SED4D-06 | Digital Terminal Board | Enhanced safety design | Safety systems |
| SEA4D-06 | Analog Terminal Board | High-density analog signals | Process control |
| SBA4D-06 | Analog Terminal Board | Analog signal termination | Instrumentation |
| SBD4D-01 | Digital Terminal Board | Base model variant | Legacy systems |
Key Advantages
- Stable and reliable digital signal termination
- Simplifies field wiring and cabinet organization
- Strong compatibility with Yokogawa control systems
- Compact and lightweight industrial design
- Improves system maintainability
- Reduces wiring and installation errors
- Suitable for continuous industrial operation
- Enhances overall system safety and reliability
- Designed for harsh industrial environments
Technical FAQs
What is the main function of SBD4D-06?
It provides termination and organization of digital field wiring for Yokogawa control systems.
Is it an active electronic module?
No. It is a passive terminal board without signal processing capability.
Where is it used?
It is used in Yokogawa DCS and safety systems for digital I/O wiring.
Does it process signals?
No. It only provides physical connection between field devices and I/O modules.
Conclusion
The Yokogawa SBD4D-06 Digital Terminal Board is a key wiring interface component in Yokogawa Distributed Control Systems. It ensures safe, organized, and reliable termination of digital field signals, improving system wiring efficiency and long-term maintainability. With its compact structure, industrial durability, and strong compatibility, it plays an essential role in modern automation and process control systems.