YOKOGAWA SCP461-51

YOKOGAWA SCP461-51

The YOKOGAWA SCP461-51 is a high-performance safety control processor module designed for Yokogawa’s CENTUM VP DCS and ProSafe-RS safety instrumented systems (SIS). Built for safety-critical industrial applications, it delivers exceptional reliability, fault tolerance, and seamless integration, making it ideal for oil & gas, petrochemical, power generation, and chemical industries.

Core Technical Specifications

• Model: YOKOGAWA SCP461-51 (Safety Control Processor Module)
• Compatibility: CENTUM VP DCS, ProSafe-RS SIS, seamless integration with CP461-10 process control modules.
• Redundancy: Dual CPU redundancy; automatic failover (≤100ms) with full data synchronization between active and standby units.
• Hot Swap Support: Live replacement without system shutdown; auto-synchronization of applications and databases without PC tools.
• Fault Tolerance: ECC memory, built-in diagnostic circuits, and watchdog timer for error detection and correction.
• Processing Power: 32-bit high-speed processor; 40ms control loop update; supports up to 10,000 I/O tags.
• Communication: Vnet/IP, ESB bus (fiber optic, up to 50km); HART and Modbus RTU/TCP support.
• Power Supply: 24VDC ±10%; power consumption ≤25W; overvoltage/overcurrent/overtemperature protection.
• Physical & Environmental: Dimensions 130 × 107.5 × 32.8mm; weight 0.34kg; operating temperature -20°C to +70°C; IP20 protection; EMC compliance (IEC 61000-6-2/4).
• Safety Certification: IEC 61508 SIL 3, TÜV certified; suitable for emergency shutdown (ESD) and safety interlock systems.

Key Features & Benefits

The YOKOGAWA SCP461-51 ensures maximum uptime for critical processes. Its dual redundancy eliminates single points of failure, while hot-swap capability reduces maintenance downtime. ECC memory and advanced diagnostics enhance system stability, reducing unplanned outages. Seamless integration with CENTUM VP and ProSafe-RS simplifies engineering and reduces training costs. The module’s wide operating temperature range and robust EMC performance make it suitable for harsh industrial environments. With SIL 3 certification, it meets stringent safety standards for high-risk applications.

Applications

• Oil & Gas: Pipeline monitoring, ESD systems, offshore platform control.
• Petrochemical: Reactor safety control, furnace management, emergency shutdown.
• Power Generation: Boiler protection, turbine control, grid safety interlocks.
• Chemical: High-risk process control, toxic material handling, safety interlocking.