The SCP461-11 S1 (SCP461-11 S1) is a high-integrity processor module engineered for Yokogawa’s CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). Serving as the primary computational engine for Field Control Stations (FCS), this module is specifically designed to handle complex control algorithms and high-speed data acquisition with deterministic precision.
A critical upgrade from the standard SCP461, the SCP461-11 S1 (SCP461-11 S1) features enhanced Radio Frequency Interference (RFI) protection and superior Electromagnetic Interference (EMI) resistance. This makes it an essential choice for control rooms situated near high-voltage switchgear or heavy motor loads. The hardware integrates Error Correction Code (ECC) memory to proactively detect and rectify single-bit data corruptions, ensuring continuous process uptime in mission-critical environments like petrochemical refineries and thermal power plants.
The SCP461-11 S1 provides the following hardware and environmental parameters:
Manufacturer: Yokogawa Electric Corporation
Model Number: SCP461-11 S1
Series Compatibility: CENTUM VP, CS 3000, EXA Series
Processor Function: Main CPU for Field Control Station (FCS)
Memory Protection: Error Correction Code (ECC) integrated
Redundancy Configuration: Supports Synchronous Hot-Standby Dual Redundancy
Communication Interface: Compatible with Vnet/IP and VLnet buses
Supported Protocols: Modbus/TCP, EtherNet/IP, Profibus-DP (via Gateway modules)
Power Requirements: 24 VDC (Backplane supply)
Environmental Shielding: Specialized RFI/EMI high-noise rejection coating
Operating Temperature: –10°C to +55°C
Operating Humidity: 5% to 95% RH (Non-condensing)
Physical Dimensions: 199.5 mm × 146.5 mm × 32.8 mm
Weight: 0.7 kg
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