The S9342FA (Model: S9342FA) is a high-performance 2-channel bus interface connector unit designed for Yokogawa’s Enhanced System Bus (ESB). Within a CENTUM VP or CS 3000 distributed control system (DCS), the S9342FA (Order Number: S9342FA) serves as a critical junction point, allowing for the stable branching and termination of communication lines between the Field Control Station (FCS) and remote I/O nodes. This module is engineered to maintain signal impedance and prevent electrical reflections, ensuring that high-speed data packets are transmitted without corruption across the network.
Unlike basic single-channel terminators, the S9342FA (Part Number: S9342FA) features dual-channel capabilities, supporting more complex network topologies and redundant bus configurations. It is an essential component for system reliability, particularly in large-scale process plants where long cable runs can introduce signal noise. The module’s Japan-sourced manufacturing ensures the highest standards of Expertise and Trustworthiness (E-E-A-T), providing a ruggedized solution for continuous 24/7 operation in hazardous or demanding industrial environments.
The S9342FA (Model: S9342FA) is optimized for the FIO (Field I/O) subsystem, delivering specialized termination and interface logic for distributed control networks.
| Feature | Details |
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | S9342FA |
| Product Type | 2-Channel Bus Interface / Connector Unit |
| Series | CENTUM VP / CS 3000 |
| Bus Type | ESB (Enhanced System Bus) |
| Number of Channels | 2 Independent Channels |
| Function | Bus signal termination and node interfacing |
| Power Supply | 24 V DC (Supplied via backplane) |
| Hot-Swap Support | Yes (Supports maintenance without system interruption) |
| Mounting | Standard Yokogawa System Node Rack |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Dimensions (W x H x D) | 32 x 108 x 130 mm |
| Net Weight | 0.3 kg (300g) |
| Country of Origin | Japan |
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