Yokogawa SB301 S1 Interface Card Module – Product Description

Overview

The Yokogawa SB301 S1 is a rack-mounted backplane interface card designed for CENTUM VP DCS and ProSafe‑RS SIS systems. It provides the mechanical and electrical foundation for installing CPUs, I/O modules, communication cards, and power supplies. Moreover, its high-quality connectors ensure stable communication and reliable power distribution across all connected modules. Therefore, it is ideal for industrial applications requiring mission-critical reliability and redundancy.

Technical Specifications

Electrical

• Bus Type: Proprietary Yokogawa system bus (CENTUM VP and ProSafe‑RS)

• Supported Modules: CPU (CP401), I/O (ADV, AMN, NFDR), Communication (AIP, ACM), Power (PW301, PW401)

• Power Distribution: Regulated DC from PW series modules

• Redundancy: Supports dual redundant bus configuration

• Signal Integrity: High-quality connectors for low noise and stable communication

Mechanical

• Slots: 10–12 module slots depending on configuration

• Dimensions (W × H × D): 482 × 177 × 250 mm (19-inch rack standard)

• Weight: 3–5 kg depending on configuration

• Mounting: Rack-mounted inside system cabinet

• Cooling: Natural convection (fanless)

• Protection: IP20

Performance & Diagnostics

• Reliability: Continuous 24/7 operation in industrial environments

• Hot-Swap Capability: Modules can be replaced without shutting down the system

• Diagnostics: LED indicators for bus and power status

Environmental & Compliance

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 5–95% non-condensing

• Certifications: CE, UL, CSA, ATEX (depending on configuration)

• Origin: Manufactured in Japan

FAQ

Q1: What type of modules does SB301 support?
It supports CPU, I/O, communication, and power supply modules within Yokogawa systems.

Q2: Can SB301 operate redundantly?
Yes, it supports dual redundant bus configurations for fault-tolerant operation.

Q3: Is hot-swap replacement possible for modules?
Yes, modules can be inserted or removed without shutting down the system.

Q4: What is the operating temperature range?
It operates between 0 °C and +55 °C for industrial environments.

Q5: Which systems is SB301 compatible with?
It integrates seamlessly with Yokogawa CENTUM VP DCS and ProSafe‑RS SIS systems.