Description

The YOKOGAWA PSCCM22AAN-16418-5314 is a high-integrity dual-processor safety controller module designed for Yokogawa’s ProSafe-RS safety instrumented system (SIS), a certified platform compliant with IEC 61508 and IEC 61511 standards for functional safety up to SIL 3. As the central processing unit of the ProSafe-RS rack, the YOKOGAWA PSCCM22AAN-16418-5314 executes safety logic, monitors field inputs, and drives final safety actions with deterministic response and maximum reliability. This dual-core controller ensures fail-safe operation in critical industrial environments where process integrity, personnel safety, and environmental protection are paramount.

Engineered as part of Yokogawa’s OpreX Safety family, the YOKOGAWA PSCCM22AAN-16418-5314 supports redundant configurations (2oo2 or 2oo3 voting architectures) to achieve high availability and fault tolerance. It continuously performs self-diagnostics on internal hardware, memory, and communication paths, ensuring that any potential failure is detected and reported before it compromises system integrity. The module seamlessly integrates with other ProSafe-RS I/O modules such as PSCAMAAN-A5E0023936304 (safe analog input) and PSCAA140 (safe analog output), enabling comprehensive monitoring and control of emergency shutdown (ESD), fire and gas (F&G), and high-integrity pressure protection systems (HIPPS).

The YOKOGAWA PSCCM22AAN-16418-5314 operates within the Vnet/IP control network, providing secure, redundant communication with engineering stations, operator interfaces, and integrated DCS platforms like CENTUM VP. Its support for IEC 61131-3 programming languages—including Function Block Diagram (FBD), Ladder Logic (LD), and Structured Text (ST)—enables flexible and standardized safety logic development. With built-in cybersecurity features such as secure boot, access authentication, and audit logging, the YOKOGAWA PSCCM22AAN-16418-5314 meets modern industrial security requirements defined by IEC 62443. This makes it a trusted solution for digital transformation in hazardous process industries.

Technical Specifications

Main Features and Advantages

The YOKOGAWA PSCCM22AAN-16418-5314 delivers exceptional reliability and performance as the core controller of the ProSafe-RS safety system. Its dual-processor architecture enables continuous operation even during hardware or software faults, with one CPU actively controlling while the other remains in synchronized standby mode. This hot-standby redundancy ensures zero downtime during module replacement, firmware updates, or failure events—critical for continuous-process industries such as oil & gas, petrochemicals, and LNG.

One of the most significant advantages of the YOKOGAWA PSCCM22AAN-16418-5314 is its comprehensive self-diagnostics and high diagnostic coverage. The module performs real-time checks on CPU execution, memory integrity, clock synchronization, and communication links, automatically detecting and reporting anomalies to prevent undetected failures. This level of diagnostic rigor is essential for achieving SIL 3 certification and maintaining compliance throughout the safety lifecycle.

The YOKOGAWA PSCCM22AAN-16418-5314 also supports seamless integration with Yokogawa’s CENTUM process control system, enabling a unified architecture for both process automation and safety systems. This integration reduces engineering complexity, improves data consistency, and enhances operator situational awareness. The module’s compatibility with IEC 61131-3 programming standards allows engineers to develop, test, and validate safety logic using familiar tools and methodologies. Additionally, its support for secure communication protocols and cybersecurity hardening aligns with modern industrial IT/OT convergence strategies. With long-term availability and global technical support, the YOKOGAWA PSCCM22AAN-16418-5314 represents a future-proof investment in plant safety and operational excellence.

Application Field

The YOKOGAWA PSCCM22AAN-16418-5314 is widely deployed in high-risk industrial sectors where functional safety is non-negotiable. In offshore oil & gas platforms, it serves as the central logic solver for emergency shutdown (ESD) systems, monitoring wellhead pressure, separator levels, and flare gas flow, and initiating rapid isolation upon detection of hazardous conditions. Its SIL 3 compliance ensures adherence to international safety standards such as API 14C and IEC 61511.

In onshore refineries and petrochemical plants, the YOKOGAWA PSCCM22AAN-16418-5314 controls critical units such as fluid catalytic crackers (FCC), hydrocrackers, and ethylene furnaces, where thermal runaway or overpressure can lead to catastrophic events. It interfaces with safety-grade transmitters and shutdown valves to enforce safe operating envelopes and initiate depressurization sequences when necessary.

Liquefied natural gas (LNG) facilities rely on the YOKOGAWA PSCCM22AAN-16418-5314 for turbine protection, compressor anti-surge control, and cryogenic containment monitoring. In power generation, particularly combined cycle and cogeneration plants, it manages boiler safety systems, turbine trip logic, and fuel gas shutoff functions. Pharmaceutical and specialty chemical manufacturers use the YOKOGAWA PSCCM22AAN-16418-5314 in batch safety interlocks and reactor containment systems to ensure regulatory compliance and personnel protection.

As a foundational component of Yokogawa’s integrated control and safety solution (ICSS), the YOKOGAWA PSCCM22AAN-16418-5314 supports digitalization initiatives by enabling secure data exchange with asset performance management (APM), predictive maintenance, and cybersecurity monitoring platforms. Its role extends beyond basic safety logic execution to becoming a key node in intelligent, data-driven industrial operations.

Related Products

PSCCM22AAN-16418-5313: Previous revision of the same safety controller, often upgraded to YOKOGAWA PSCCM22AAN-16418-5314 for enhanced diagnostics and firmware support.
PSCCM22AAN-16418-5315: Alternate variant with updated cryptographic features or regional certification.
ProSafe-RS R3.07.50+: Safety system platform required to operate the YOKOGAWA PSCCM22AAN-16418-5314, providing engineering, I/O, and redundancy management.
PSCAMAAN-A5E0023936304: 4-channel safe analog input module that interfaces with field sensors under the control of the YOKOGAWA PSCCM22AAN-16418-5314.
PSCAA140: Safe analog output module used to drive final control elements such as shutdown valves.
PRM121-S00: 24 VDC power supply module for ProSafe-RS racks, essential for powering the YOKOGAWA PSCCM22AAN-16418-5314.
CENTUM VP R6.10+: Integrated DCS platform that shares data and alarm management with the YOKOGAWA PSCCM22AAN-16418-5314 via Vnet/IP.
FieldMate R3.08+: Device management software used to configure HART-enabled instruments connected to the YOKOGAWA PSCCM22AAN-16418-5314.
Exaquantum PIMS: Plant Information Management System that collects safety event data from the YOKOGAWA PSCCM22AAN-16418-5314 for auditing and analysis.
OpreX Asset Health Insight: Predictive maintenance solution that monitors the health status of the YOKOGAWA PSCCM22AAN-16418-5314 and associated safety components.