SCP451-11 | Yokogawa CENTUM CS 3000 CPU 16-Channel Module

Yokogawa SCP451-11 S1 CENTUM VP/CS 3000 Processor Module

The SCP451-11 (Model: SCP451-11 S1) is a high-performance processor and communication module designed for Yokogawa’s CENTUM VP and CS 3000 Distributed Control Systems (DCS). Operating as a central logic solver, the SCP451-11 manages real-time process control and integrates field data via Vnet/IP and HART protocols. This S1 revision is specifically hardened for harsh industrial environments, featuring a wide operating temperature range and high vibration resistance. It serves as a critical interface for fault-tolerant operations, providing the deterministic performance required for oil, gas, and power generation automation.

Detailed Technical Specifications

The following technical parameters define the hardware and signal handling capabilities of the SCP451-11 (Model: SCP451-11 S1).

• Manufacturer: Yokogawa Electric Corporation (Japan)

• Model Identification: SCP451-11

• Style: S1 (Enhanced hardware revision)

• System Compatibility: CENTUM VP, CENTUM CS 3000

• Input Channels: 16 Isolated Digital Channels

• Signal Types: Contact ON/OFF, Voltage Pulse, Current Pulse (0–10 kHz)

• Input Voltage: 24 V DC (Standard), supports transients up to 30 V DC

• Isolation Voltage: 500 V AC (Input-to-System interface)

• Memory Capacity: 32K words standard

• Communication Ports: RS-232, RS-485 (Supports legacy device diagnostics)

• Network Redundancy: Dual-redundant ESB Bus interface (Requires Layer 2 switches)

• Operating Temperature: –20°C to +70°C (Standard); –40°C with G3 Conformal Coating

• Vibration Resistance: Up to 2.0 m/s² (14–100 Hz)

• Dimensions: 66 × 49 × 125 mm

• Weight: 0.45 kg (0.99 lbs)