The SCP461-11 S1 (Model: SCP461-11 S1) is a high-integrity processor module designed for Yokogawa’s CENTUM VP and CS 3000 Distributed Control Systems (DCS). Functioning as the primary computational engine for Field Control Stations, this module is specifically engineered with enhanced Radio Frequency Interference (RFI) protection and Electromagnetic Interference (EMI) resistance. The SCP461-11 S1 executes mission-critical control algorithms and manages high-speed communication between I/O subsystems, ensuring deterministic real-time performance in the most demanding industrial process environments.
The following specifications define the hardware capabilities and environmental limits for the SCP461-11 S1 (Model: SCP461-11 S1) module.
Manufacturer: Yokogawa Electric Corporation (Japan)
Model Number: SCP461-11 S1
Series Compatibility: CENTUM VP, CS 3000, EXA Series
Processor Architecture: High-performance CPU optimized for real-time multitasking
Memory Protection: Integrated Error Correction Code (ECC) to prevent soft memory errors
Redundancy: Supports synchronous hot-standby redundancy
Control Bus Support: Vnet/IP and VLnet (depending on backplane configuration)
Communication Protocols: Modbus/TCP, Ethernet/IP, Profibus, and proprietary Yokogawa protocols
Input Voltage: Supports 24 VDC or 100–240 VAC system power supplies
Operating Temperature: –10°C to +55°C
Operating Humidity: 5% to 95% RH (Non-condensing)
Dimensions: 199.5 × 146.5 × 32.8 mm
Weight: 0.7 kg
Environmental Rating: Enhanced RFI protection for high-noise areas
The SCP461-11 S1 is built to handle the rigorous data processing requirements of modern refineries and power plants. By utilizing ECC (Error Correction Code) memory, the module can detect and fix single-bit data corruptions in real-time, preventing unexpected CPU halts. Its enhanced RFI shielding makes it particularly suitable for installation in control rooms located near high-voltage switchgear or heavy motor loads, where electrical noise can often disrupt standard electronic components.
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