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- Yokogawa
- S9346FA
- ESB Bus With Terminator Connector Unit
- Japan
- 50 x 32.8 × 107.5 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa S9346FA ESB Bus With Terminator Connector Unit is a specialized communication component designed for Yokogawa Distributed Control Systems (DCS). It is used within the Extended Serial Backplane (ESB) Bus architecture and includes an integrated termination function to ensure stable and interference-free signal transmission across the control network.
By combining bus connection and termination functionality in a single unit, the S9346FA helps prevent signal reflection, reduce communication errors, and maintain data integrity in large-scale industrial automation systems. Its compact design and robust construction make it suitable for continuous operation in demanding process environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | S9346FA |
| Product Type | ESB Bus With Terminator Connector Unit |
| Bus Type | ESB (Extended Serial Backplane) Bus |
| Function | Bus Connection + Signal Termination |
| Communication | High-Speed ESB Bus Communication |
| Signal Type | Digital Communication |
| Installation | Direct ESB Bus Connection |
| System Compatibility | Yokogawa CENTUM Series DCS |
| Dimensions | 50 × 32.8 × 107.5 mm |
| Weight | 0.2 kg |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| Mounting | Control Cabinet Installation |
| Construction | Industrial-grade Compact Module |
| Country of Manufacture | Japan |
Function and Working Principle
The Yokogawa S9346FA operates as both a bus connector and termination device within ESB communication networks. Its integrated terminator ensures that electrical signals do not reflect back along the bus line, which is critical for maintaining stable communication.
Key working principles include:
- Establishing secure ESB bus connectivity between modules
- Providing integrated signal termination at the bus end
- Preventing signal reflection and data distortion
- Supporting stable high-speed digital communication
- Enhancing overall network reliability in distributed systems
By combining connection and termination in one module, it simplifies system design and improves communication stability.
Role in Industrial Control Systems
The S9346FA plays an important role in Yokogawa Distributed Control Systems by ensuring both connectivity and signal integrity within ESB bus networks. It is commonly used in:
- Field Control Units (FCUs)
- Remote I/O Systems
- ESB Bus Network Termination Points
- Communication Backplane Interfaces
- Distributed Control Cabinets
Its dual-function design helps maintain stable communication across all connected devices in the system.
Industrial Applications
The Yokogawa S9346FA is widely used in industrial automation environments, including:
- Distributed Control Systems (DCS)
- Oil and Gas Production Facilities
- Petrochemical Processing Plants
- Chemical Manufacturing Industries
- Power Generation Stations
- Water and Wastewater Treatment Systems
- Pulp and Paper Mills
- Pharmaceutical Production Lines
- Mining and Metallurgical Systems
- Large-Scale Industrial Automation Networks
It is particularly valuable in systems requiring reliable long-distance communication with proper bus termination.
Installation and System Integration
Proper installation of the S9346FA is essential to ensure stable ESB communication performance.
Recommended practices include:
- Install at the designated ESB bus termination point
- Ensure correct orientation of the connector unit
- Secure all communication connections firmly
- Verify proper termination configuration before system startup
- Perform communication diagnostics after installation
- Follow Yokogawa maintenance and safety procedures
Correct installation ensures optimal signal integrity and system stability.
Compatible System Components
The Yokogawa S9346FA is commonly used with:
- Yokogawa Field Control Units (FCU)
- ESB Bus Interface Modules
- Remote I/O Modules
- Communication Interface Cards
- ESB Bus Cables
- CENTUM VP Controllers
- Processor Modules
- Distributed Control Cabinets
Together, these components form a reliable and high-performance industrial communication system.
Recommended Alternative Models
Depending on system requirements, the following alternatives may be considered:
| Model | Type | Key Feature | Application |
|---|---|---|---|
| S9346FA | ESB Bus Connector Unit | Integrated Terminator | ESB Network End Points |
| S9345FA | Bus Connector Unit | Stable Connectivity | General ESB Communication |
| S9344FA | Bus Connector Unit | Compact Design | Control Systems |
| S9343FA | Bus Connector Unit | Reliable Signal Transmission | Distributed Networks |
| S9341FA | Bus Connector Unit | Advanced Termination Support | ESB Bus Architecture |
Key Advantages
- Integrated ESB bus termination function
- Reduces signal reflection and communication errors
- Compact and lightweight industrial design
- High reliability for continuous operation
- Strong compatibility with Yokogawa CENTUM systems
- Simplifies system design and installation
- Enhances overall network stability
- Suitable for harsh industrial environments
- Supports long-term operational reliability
Technical FAQs
What is the main function of the Yokogawa S9346FA?
The S9346FA provides both ESB bus connectivity and integrated signal termination to ensure stable communication within Yokogawa DCS systems.
Why is termination important in ESB bus systems?
Termination prevents signal reflection, which can cause communication errors and instability in the network.
Where is the S9346FA typically installed?
It is installed at the end of ESB bus communication lines in Yokogawa Distributed Control Systems.
Is the S9346FA suitable for industrial environments?
Yes. It is designed for continuous operation in demanding industrial automation applications.
Conclusion
The Yokogawa S9346FA ESB Bus With Terminator Connector Unit is a critical component in Yokogawa Distributed Control Systems, providing both reliable bus connectivity and integrated signal termination. Its compact design, stable communication performance, and strong system compatibility make it ideal for maintaining efficient and error-free ESB bus networks. Whether used in power plants, petrochemical facilities, or large-scale industrial automation systems, the S9346FA enhances communication reliability, simplifies installation, and supports long-term system stability.