YOKOGAWA S9361DH-00 High-performance terminal board module

The Yokogawa S9361DH-00 is a high-performance Terminal Board Module primarily used within the CENTUM XL and CENTUM CS legacy Distributed Control Systems (DCS).

 It acts as a rugged interface point where field wiring (sensor and actuator signals) is connected before being routed to the internal logic of the DCS via I/O modules.

1. Introduction

The S9361DH-00 is a classic terminal board designed for heavy-duty industrial environments. It provides a organized, secure landing spot for field cables, ensuring that signals from the plant floor are cleanly transitioned into the control system. 

Although it is a legacy component, it is widely utilized in existing plants for its durability and the "pluggable" nature of its connections, which simplifies maintenance and module replacement.

2. Technical Parameter Table

3. Product Advantages and Features

High Reliability: Built with tin-plated copper alloy or phosphor bronze contacts to ensure long-term signal integrity without oxidation.

Compact Design: Optimized dimensions allow for high-density mounting within standard 19-inch racks or specialized DCS cabinets.

Rugged Environmental Specs: With an operating range down to -40°C, it is suitable for unheated field enclosures in harsh climates.

Clear Identification: Features distinct markings and labeling areas for each terminal point, reducing the risk of wiring errors during installation or troubleshooting.

Secure Connections: Uses high-torque screw terminals (M3 or M3.5 style) to prevent wires from loosening due to vibration.

4. Application Cases

Legacy System Support: Maintaining and expanding existing CENTUM XL or CENTUM CS installations in refineries and power plants.

Discrete Signal Landing: Used for terminating 24V DC or 110V AC digital signals from field switches and relays.

Interposing Terminal Point: Serving as a bridge between high-voltage field equipment and low-voltage digital I/O modules.

Cabinet Retrofitting: Often used in refurbishing older control panels where standard Yokogawa footprint compatibility is required.

5. Related Models & Same Series

The S9361DH-00 is part of a broad range of termination boards tailored to different signal types (Analog vs. Digital).

Other Models in the Same Series

S9260DE-01: A related terminal board module used for different I/O densities.

S9185FA: Often used for specialized analog signal termination.

S9361DH-S1: The version featuring G3 conformal coating for protection against corrosive gases.

Related System Components

KS1 / KS2 Cables: The multi-core cables that connect this terminal board to the actual I/O modules.

AEA4D / AEP7D: Terminal boards used in newer CENTUM VP systems (the modern successors to the S9xxx series).