Technical Overview
The Yokogawa PSCCM24AAN serves as a critical control module within the ProSafe-PLC and ProSafe-RS safety instrumented systems . This module executes safety logic and coordinates communication between field devices and the central control system . Its dual-microprocessor architecture supports SIL 3 compliance for high-integrity applications . The PSCCM24AAN integrates seamlessly with Yokogawa CENTUM VP via Vnet/IP connectivity .
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Critical Control Module (CCM) |
| Part Number | 16418-541/1 |
| System Compatibility | ProSafe-PLC, ProSafe-RS, CENTUM VP |
| Safety Integrity Level | SIL 3 (IEC 61508) |
| Processor Architecture | Dual-microprocessor with hardware diagnostics |
| Communication Interfaces | M-BUS, M-NET, Vnet/IP |
| Power Supply | 24 VDC |
| Current Draw | 0.60 A |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -30°C to +80°C |
| Dimensions (H x W x D) | 4.0 x 26.0 x 30.6 cm |
| Weight | 1.96 kg |
| Protection Class | IP65 |
| Certifications | CE, UL, IEC 61508 SIL 3 |
Safety Architecture and Fault Tolerance
The Yokogawa PSCCM24AAN employs a “Pair & Spare” dual-processor architecture that cross-checks all executed logic continuously . Any discrepancy between processors triggers an immediate transition to a safe state, ensuring deterministic and fail-safe operation . The module supports dual-redundant configurations for enhanced availability .
Communication and System Integration
This module communicates with ProSafe-COM via M-BUS or M-NET networks, coordinating data exchange between the CPU and I/O subsystems . Its Vnet/IP interface enables seamless integration with CENTUM VP DCS, allowing operators to monitor safety status from the HMI . Consequently, the PSCCM24AAN preserves strict segregation between control and safety layers while enabling unified monitoring .
Reliability and Diagnostics
The PSCCM24AAN features rugged construction with industrial-grade components, withstanding high temperatures, vibration, and electromagnetic interference . Hot-swapping is supported in redundant configurations, allowing module replacement without interrupting safety protection . The hardware revision suffix “AAN” indicates conformal coating for enhanced protection against corrosive environments .
Details
| Weight | 1.96 kg |
|---|---|
| Dimensions | 40 × 260 × 306 mm |
Reviews
There are no reviews yet.