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.
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)
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