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Yokogawa SSB401‑EB
- Product Name: Yokogawa SSB401‑EB ESB Bus Interface Slave Module (ProSafe‑RS SIS System)
- Product Introduction: Safety‑grade ESB bus communication slave module dedicated to Yokogawa ProSafe‑RS Safety Instrumented System (SIS), realizing redundant communication between safety nodes and ESB bus.
Detailed content
- Technical Specifications:
- Bus Type: ESB Safety Bus
- Communication Speed: 1Mbps
- Power Supply: 24V DC, Max Power Consumption 10W
- Operating Temperature: ‑20°C ~ +70°C
- Safety Standard Compliance: IEC 61508 SIL2/SIL3
- Dimensions: 130mm × 142.5mm × 32.8mm
- Weight: 0.45kg
- Function Features: Redundant ESB bus communication, safety node unit (SNB10D) connection, real‑time safety signal transmission, fault self‑diagnosis, emergency shutdown signal transmission support.
- Material Composition: Orange fire‑retardant engineering plastic housing, industrial‑grade safety‑certified circuit board, gold‑plated communication terminals, anti‑interference shielding layer.
- Structural Features: DIN‑rail mount modular structure, plug‑in backplane connection design, integrated bus communication port and status indicator lights.
- Working Principle: Receives safety control signals from SIS system main unit via ESB bus, transmits signals to on‑site safety nodes; feeds back on‑site safety status signals to main unit, realizing bidirectional redundant safety communication.
- Advantage Highlights: SIL‑certified safety performance, redundant communication path, high‑speed bus transmission, anti‑vibration anti‑corrosion industrial design, perfect compatibility with ProSafe‑RS SIS.
- Applicable Industries: Chemical industry, oil refinery, natural gas processing, thermal power safety control, nuclear power auxiliary safety systems.
- Model Series: SSB401 Series ESB Bus Safety Communication Modules
- Installation Requirements: Mount on standard 35mm DIN rail in safety control cabinet; connect ESB bus cable per dedicated wiring standard; ensure reliable redundant bus connection.
- Usage Notes: Must be used with Yokogawa ProSafe‑RS certified safety system; conduct regular communication fault self‑diagnosis checks; avoid electromagnetic interference sources nearby.
