
Product Overview
The Yokogawa S2BN1D-19030 is a Terminal Base used in Yokogawa N-IO (Network I/O) systems, commonly applied in CENTUM VP distributed control systems and ProSafe-RS safety instrumented systems.
It provides the mechanical mounting platform and electrical interface for I/O modules, enabling field signal termination, system power distribution, and communication via the F-SB bus. The unit is designed for modular expansion and reliable operation in industrial automation environments.
Technical Specifications
| Parameter |
Specification |
| Manufacturer |
Yokogawa |
| Model |
S2BN1D-19030 |
| Product Type |
Terminal Base (N-IO system) |
| System Application |
CENTUM VP / ProSafe-RS / N-IO |
| Function |
I/O module mounting and field signal termination |
| Mounting Type |
DIN rail / panel mounting |
| I/O Configuration |
Single or redundant support |
| Communication Bus |
F-SB bus |
| Field Power Supply |
24 V DC system supply |
| Channel Support |
Multi-channel I/O modules (typical 16-channel support) |
| Protection Rating |
Industrial-grade design |
| Dimensions |
252 × 134 × 85.4 mm |
| Weight |
1.4 kg |
Function and Working Principle
The S2BN1D-19030 Terminal Base acts as the interface layer between field wiring and Yokogawa I/O modules. It provides structured connection points for field signals, distributes system power, and enables communication between I/O modules and the controller system.
It supports modular installation, allowing multiple I/O modules to be mounted in a controlled and organized configuration. This ensures stable signal transmission and simplified maintenance in large-scale automation systems.
Operating Sequence
- Field devices are connected to the terminal base via wiring terminals
- I/O modules are mounted onto the base structure
- The base distributes power to all connected modules
- Field signals are routed through internal connections
- Data is transmitted via the F-SB bus to the control system
Key Features
- Modular terminal base design for N-IO systems
- Supports flexible I/O expansion
- Stable field signal termination
- Reliable power distribution
- Supports redundant configurations
- Industrial-grade mechanical construction
- Easy installation and replacement
- Suitable for safety-critical applications
System Role
The S2BN1D-19030 serves as the foundation interface component between field wiring and Yokogawa I/O modules, ensuring stable signal routing and system integration.
Typical System Architecture
Field Devices → Terminal Base (S2BN1D-19030) → I/O Modules → F-SB Bus → Control / Safety System → DCS / SIS Platform
Industrial Applications
- Oil and gas production
- Petrochemical and chemical plants
- Refinery automation systems
- Power generation plants
- Water and wastewater treatment
- Offshore platforms
- Safety Instrumented Systems (SIS)
- Industrial process control systems
- Large-scale automation networks
Installation Guidelines
- Mount the base securely on DIN rail or panel structure
- Ensure proper grounding for noise reduction
- Connect field wiring according to system design
- Install compatible I/O modules carefully
- Verify power supply stability before commissioning
- Perform system checks prior to startup
Compatible Components
- Yokogawa N-IO analog input modules
- Yokogawa N-IO digital input modules
- Yokogawa N-IO digital output modules
- Yokogawa CENTUM VP systems
- Yokogawa ProSafe-RS controllers
- F-SB bus communication modules
- Industrial field power supply units
Alternative Models
| Model |
Description |
| S2BN1D-11130 |
N-IO base plate variant |
| S2BN1D-12030 |
Alternative base plate |
| S2BN1D-11120 |
Compact base version |
| S2BN1S series |
Related terminal/base family |
Advantages
- Flexible modular architecture
- High reliability in industrial environments
- Supports redundant and single configurations
- Simplified field wiring structure
- Stable power and communication distribution
- Easy system expansion
- Long operational lifespan
- Suitable for critical automation systems
Frequently Asked Questions
What is the S2BN1D-19030 used for?
It is used as a terminal base for mounting and connecting N-IO modules in Yokogawa control and safety systems.
Is it a complete control system?
No. It is only a base interface component and requires I/O modules and controllers to operate.
Which systems use it?
It is used in Yokogawa CENTUM VP and ProSafe-RS systems.
Can it support redundancy?
Yes, it supports both single and redundant configurations depending on system design.
Conclusion
The Yokogawa S2BN1D-19030 Terminal Base is a key infrastructure component in N-IO-based automation systems. With its modular design, reliable field wiring interface, stable power distribution, and robust industrial construction, it provides a dependable foundation for distributed control and safety applications.