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Yokogawa NFSB100‑S50
- Product Name: Yokogawa NFSB100‑S50 Safety Bus Connection Base Module (ProSafe‑RS SIS System)
- Product Introduction: Specialized connection base module for Yokogawa ProSafe‑RS safety instrumented system, used for physical connection and power distribution of SSB401 series bus modules and safety I/O modules.
Detailed content
- Technical Specifications:
- Bus Compatibility: ESB Safety Bus
- Rated Power Supply: 24V DC, Max Load 50W
- Supported Module Quantity: Up to 8 Safety I/O/Bus Modules
- Operating Temperature: ‑20°C ~ +70°C
- Safety Grade: IEC 61508 SIL3 Compliant
- Dimensions: Standard Yokogawa SIS Base Module Size
- Function Features: ESB bus signal distribution, module power supply distribution, physical plug‑in connection for safety modules, fault isolation between modules, bus short‑circuit protection.
- Material Composition: Orange fire‑retardant engineering plastic base housing, copper alloy conductive bus bars, industrial‑grade safety‑certified wiring terminals, anti‑corrosion metal shielding plate.
- Structural Features: Horizontal backplane base structure, modular slot design for safety modules, integrated bus wiring and power distribution terminals.
- Working Principle: Distributes ESB bus communication signals and 24V DC power supply to each plug‑in safety module; realizes physical and electrical connection between modules and main safety control unit.
- Advantage Highlights: SIL‑certified safety performance, integrated power/bus distribution, compact modular structure, perfect compatibility with ProSafe‑RS SIS, strong fault isolation capability.
- Applicable Industries: Oil refinery, petrochemical industry, natural gas processing, chemical plant safety control, thermal power plant emergency shutdown systems.
- Model Series: NFSB Series SIS Safety Bus Base Modules
- Installation Requirements: Fixed installation in safety control cabinet; connect main power supply and ESB bus per dedicated safety wiring standards; ensure reliable grounding connection.
- Usage Notes: Only use with Yokogawa ProSafe‑RS certified safety modules; prohibit modification of internal bus bar structure; conduct regular power and bus connection inspections.
