Description
Overview
Yokogawa SNB10D-425/CU2N is a SIL 3-certified Safety Node Unit for the ProSafe‑RS safety instrumented system (SIS), acting as a high‑reliability interface between field I/O modules and the safety control unit via the ESB bus. The Yokogawa SNB10D-425/CU2N delivers dual‑redundant power and communication, ensuring safe, continuous operation in hazardous and high‑risk industrial environments.
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Basic Product Parameters
- Brand: Yokogawa
- Model: SNB10D-425/CU2N
- Availability: In stock
- Delivery Time: Within 3 working days after payment
- Guarantee: 12‑month warranty
- Condition: New original
- Input/Output: Supports up to 8 I/O modules; digital/analog signal interface
- Working Temperature: 0°C to +40°C (standard)
- Size/Weight: 482.6 × 221.5 × 205 mm, approx. 5.9 kg
- Communication: ESB bus (CU2N interface), dual‑redundant safety network
- Safety Rating: SIL 3 (IEC 61508), ATEX/IECEx certified for Zone 1/21
Key Advantages
- SIL 3 Safety Integrity: TÜV‑certified for safety integrity level 3, meeting strict functional safety demands.
- Dual‑Redundant Design: Redundant power and communication with <50 ms automatic switchover, zero data loss.
- Modular & Scalable: Connects up to 8 I/O modules; up to 13 nodes per controller for large‑scale SIS deployment.
Main Application Industries
- Oil & Gas: Emergency shutdown (ESD) systems and safety interlocks for platforms and refineries.
- Chemical & Petrochemical: Hazardous area safety control and process safety monitoring.
- Power Generation: Boiler protection, turbine safety, and critical interlock management.
- Pharmaceutical: High‑purity process safety and compliance with strict regulatory standards.
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