The Yokogawa S9341FA is a bus terminator / connector unit specifically designed for the ESB (Extended Serial Backplane) bus used in Yokogawa CENTUM VP / CENTUM CS 3000 Distributed Control Systems (DCS).
It is installed at the end of an ESB bus network to terminate signal lines, preventing signal reflection and ensuring stable, high-speed data communication between controllers and I/O nodes. Without proper termination, ESB networks may experience data corruption or communication instability, making this module a critical component for system reliability.
The S9341FA integrates both connector and termination functionality, simplifying wiring and improving installation efficiency in industrial control environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | S9341FA |
| Product Type | ESB Bus Terminator / Connector Unit |
| Function | Bus signal termination & connection |
| Bus Type | ESB (Extended Serial Backplane) |
| System Compatibility | CENTUM VP / CS 3000 |
| Installation Position | End of ESB bus network |
| Termination Role | Prevents signal reflection & ensures signal integrity |
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -20°C to +70°C |
The module ensures stable communication by eliminating signal reflection at the bus end, which is essential for reliable DCS operation.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | 438 × 133 × 425 mm |
| Weight | Approx. 0.25 – 0.3 kg |
| Mounting Type | Direct attachment to ESB bus interface |
| Structure | Connector unit with integrated terminator |
| Build | Industrial-grade compact module |
Recommended Related Models
- Yokogawa S9157FA – ER bus terminator module
- Yokogawa S9341FA (alternate revisions) – ESB termination units
- Yokogawa NFCP100 – communication processor module
- Yokogawa CP471 – controller CPU module
- Yokogawa ADV551 – digital output module
Popular Yokogawa Models
- Yokogawa S9341FA – ESB bus terminator module
- Yokogawa NFCP100 – communication processor
- Yokogawa CP471 – controller processor
- Yokogawa ALF111 – fieldbus communication module
- Yokogawa CENTUM VP – DCS platform
