The SCP451-51 (Model: SCP451) is a high-performance processor module engineered for the Yokogawa CENTUM VP distributed control system (DCS). While sometimes mistakenly categorized as a power module, the SCP451-51 (Order Number: SCP451-51) serves as the central processing intelligence for Field Control Units (FCU). It is responsible for executing complex regulatory control, sequence logic, and high-speed data communication between I/O modules and the human-machine interface (HMI).
This specific variant, the SCP451-51 (Part Number: SCP451-51), is a standard type module featuring ISA Standard G3 conformal coating. This specialized protection allows the module to operate reliably in corrosive gaseous environments (Class G3), which is essential for heavy industrial applications like wastewater treatment, chemical processing, and smelting. By integrating localized processing power within the node rack, the SCP451 ensures deterministic control and high system availability through its support for dual-redundant processor configurations.
The SCP451-51 (Model: SCP451-51) is designed for high-density processing environments, providing the computational backbone for decentralized automation.
| Feature | Details |
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | SCP451-51 |
| Product Type | Processor Module |
| Series | CENTUM VP / Integrated Control Station |
| Suffix Code -5 | Standard type (No explosion protection) |
| Suffix Code -1 | With ISA Standard G3 Conformal Coating |
| Redundancy | Supports Dual-Redundant configuration |
| Control Cycle | High-speed processing for regulatory/sequence control |
| Environmental Protection | G3 Corrosive Gas Resistance |
| Mounting | System Node Rack (FCU) |
| Diagnostics | Onboard CPU health, memory parity, and communication status |
| Dimensions (W x H x D) | 130 × 130 × 30 mm |
| Shipping Weight | 2.0 kg to 3.0 kg |
| Operating Temperature | 0°C to +60°C |
| Compliance | CE, IEC standards for industrial automation |
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.