Overview

The Yokogawa SCP451-11 Processor Module is a high-performance CPU card designed for ProSafe-RS Safety Instrumented Systems. It executes safety logic with precision, ensuring compliance with IEC 61508 SIL standards. Moreover, the module integrates seamlessly with CENTUM VP distributed control systems, enabling unified process and safety management. Its robust architecture combines RISC-based processing, flash memory, and NVRAM, offering secure data retention and reliable performance in mission-critical environments. In addition, the SCP451-11 supports redundant configurations, minimizing downtime and enhancing system availability.

Technical Data

Typical Applications

• Safety Instrumented Systems (SIS): Executes shutdown logic and protective functions in hazardous industries.

• Process Automation: Used in chemical and petrochemical plants where safety-critical control is essential.

• Power Generation: Applied in turbine and boiler safety systems requiring high availability.

• Utilities: Supports water treatment and energy distribution systems with fault-tolerant safety control.

• Oil & Gas: Provides reliable safety logic execution in upstream and downstream operations.

FAQ

Q1: What is the primary function of the SCP451-11?
A1: It executes safety logic programs within Yokogawa’s ProSafe-RS systems.

Q2: What processor architecture does it use?
A2: It uses a MIPS R5000 RISC CPU running at approximately 400 MHz.

Q3: How does it ensure data reliability?
A3: It stores application programs in flash memory and saves operation data in NVRAM.

Q4: Is the SCP451-11 SIL-certified?
A4: Yes, it complies with IEC 61508 SIL standards, ensuring safety integrity.

Q5: Which industries typically use this module?
A5: It is widely applied in oil & gas, chemical, power generation, and utilities.