Overview

The SCP451-11 S1 is a processor module designed by Yokogawa for its ProSafe-RS safety platform, which integrates seamlessly with CENTUM VP distributed control systems. It ensures real-time execution of safety logic, supporting IEC 61508 SIL-certified safety functions.

This module is widely used in oil & gas, petrochemical, chemical, and power generation industries, where continuous operation and safety compliance are essential.

Technical Specifications

Typical Applications

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

• Process Automation: Used in chemical and petrochemical plants for safety-critical control.

• 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.

FAQ

Q1: What is the primary function of the SCP451-11 S1?
A1: It executes safety logic programs in Yokogawa’s ProSafe-RS SIS.

Q2: What processor does it use?
A2: It uses a 32-bit RISC CPU (MIPS R5000) running at 400 MHz.

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

Q4: Is it SIL-certified?
A4: Yes, it complies with IEC 61508 SIL standards.

Q5: Is it suitable for hazardous environments?
A5: Yes, with the ATEX option code (/ATDOC), it can be used in explosive atmospheres.