
Product Description
The Yokogawa SSB401-53 ESB Bus Interface Slave Module (S9343FA) delivers high-performance, SIL 3 certified communication for ProSafe-RS safety instrumented systems. Engineered for mission-critical industrial environments, this ESB bus interface enables seamless data exchange between safety controllers and distributed I/O modules with deterministic response times and fault-tolerant architecture.
Technical Specifications
- Certification: SIL 3 (IEC 61508), TÜV certified
- Communication Protocol: ESB (Enhanced Safety Bus)
- Data Transfer Rate: Up to 12 Mbps
- Response Time: <10ms typical
- Operating Temperature: -40°C to +70°C
- Power Consumption: 5W max
- Mounting: DIN rail compatible
Application Scenarios
This slave module excels in emergency shutdown systems (ESD), fire and gas detection networks, burner management systems (BMS), and high-integrity pressure protection systems (HIPPS). Its redundant communication paths ensure continuous operation even during single-point failures, making it ideal for oil & gas refineries, chemical processing plants, power generation facilities, and offshore platforms.
Solution Benefits
The SSB401-53 integrates effortlessly with Yokogawa's ProSafe-RS ecosystem, supporting hot-swappable replacement without system interruption. Advanced diagnostics provide real-time health monitoring, while built-in galvanic isolation protects against electrical noise and ground loops. The module's compact footprint optimizes cabinet space utilization in dense I/O configurations.
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