



The Yokogawa S9345FA is a bus connector unit module designed for the ESB (Extended Serial Backplane) / N-ESB communication system in Yokogawa CENTUM VP / CENTUM CS 3000 Distributed Control Systems (DCS).
It functions as a communication interface hub between controllers, I/O modules, and system nodes, ensuring stable and uninterrupted data exchange across the control network. In complex DCS architectures, the S9345FA plays a critical role in maintaining signal integrity, system scalability, and communication reliability.
With support for hot-swappable installation and modular expansion, this unit is widely used in mission-critical industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | S9345FA |
| Product Type | ESB Bus Connector Unit / Interface Module |
| Function | Communication interface & bus connection |
| Bus Type | ESB / N-ESB (Extended Serial Backplane) |
| System Compatibility | CENTUM VP / CS 3000 |
| Power Supply | 24 V DC |
| Power Consumption | ~5 W |
| Hot Swap | Supported |
| Communication Role | Controller ↔ I/O ↔ Network interface |
| Operating Temperature | -20°C to +70°C |
The S9345FA serves as a communication bridge for ESB/N-ESB networks, enabling stable data transfer between system components
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 107.5 × 50 × 32.8 mm |
| Weight | Approx. 0.2 – 1.3 kg |
| Mounting Type | Rack / I/O node installation |
| Structure | Compact connector interface module |
| Installation | Plug-in system slot (hot-swappable) |
Alternative form-factor listings (depending on base configuration): up to ~120 × 80 × 50 mm
Recommended Related Models
- Yokogawa S9341FA – ESB bus terminator module
- Yokogawa S9157FA – ER bus termination unit
- Yokogawa NFCP100 – communication processor module
- Yokogawa CP471 – controller CPU module
- Yokogawa ADV551 – digital output module
Popular Yokogawa Models
- Yokogawa S9345FA – ESB bus connector module
- Yokogawa S9341FA – ESB bus terminator
- Yokogawa NFCP100 – communication processor
- Yokogawa ADV161 – digital input module
- Yokogawa CENTUM VP – distributed control system platform