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SSB401-13

The Yokogawa SSB401-13 is an ESB (Enhanced Safety Bus) Bus Interface Module designed for use in Yokogawa's safety control systems, such as CENTUM VP and CENTUM CS. It facilitates high-speed, redundant communication between safety node units and the main control system, ensuring reliable data exchange in safety-critical applications.

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Key Specifications

Model: SSB401-13

Type: ESB Bus Interface Module

Function: Provides optical transport for ESB Bus communication (Vnet/IP only)

Connection Types: Supports both star and chain configurations

Maximum Connecting Stages: Up to 2 stages

Transmission Distance: 5 km to 50 km, depending on fiber type and configuration

Optical Power Attenuation: 3–4 dB between specified connections

Current Consumption: Approximately 0.5 A

Dimensions (W × H × D): 14.25 cm × 13 cm × 32.8 cm

Weight: 0.3 kg

Compliance: Meets IEC 61508 safety standards

✅ Features

Dual-Redundant Communication: Ensures continuous data transmission by supporting redundant communication paths.

High-Speed Data Transfer: Facilitates fast and reliable data exchange between control units.

Flexible Network Topology: Accommodates various network configurations to suit different system designs.

Long-Distance Communication: Supports extended communication distances, making it suitable for large-scale installations.

Compact Design: Space-saving dimensions allow for easy integration into control cabinets.