Yokogawa S2CP471-01 Processor Module

Product Description
S2CP471-01 is a high-performance field control station processor of Yokogawa’s CENTUM VP DCS platform. As the “brain” of the FCS, it is responsible for executing real-time control logic, closed-loop regulation, I/O data processing, system communication, and fault diagnosis. It adopts a dual-core RISC architecture and redundant design, supporting 24/7 uninterrupted operation. It is suitable for critical control scenarios in process industries such as petrochemicals, power, and metallurgy, ensuring the system operates at high speed, stability, and safety.
Key parameters
Processor: 32-bit high-speed RISC dual-core CPU
Memory: 64 MB RAM / 32 MB Flash ROM
Processing cycle: 10–100 ms (configurable)
Power supply: 24 VDC (redundant power supply); optional 100–240 VAC
Communication interfaces:
Dual Ethernet ports (10/100 Mbps)
Yokogawa system bus
Supports Modbus, Profibus (optional)
Operating temperature: 0 °C ~ +55 °C
Size (width × height × depth): 51 × 203 × 146 mm
Weight: Approximately 0.9 kg
Redundancy support: Supports dual-machine hot standby (Redundancy)
Installation: Rack-mounted slot installation (compatible with AFV30/40/50/70 series FCS)
Certifications: CE, RoHS, explosion-proof (‑1 suffix)

Main features
High-performance real-time control: Dual-core architecture, microsecond-level control accuracy, efficient processing of complex circuits.
Redundant fault-tolerance: Supports 1:1 hot standby, automatic fault switching, zero downtime.
High reliability: Industrial-grade wide temperature range, anti-vibration, anti-electromagnetic interference, suitable for harsh environments.
Rich communication: Dual Ethernet + system bus, seamless integration of Yokogawa DCS and third-party equipment.
Online maintenance: Supports hot swapping, no downtime for module replacement.
Self-diagnosis: Built-in hardware/software fault detection, precise alarm location.
Typical applications
Petrochemicals: Large-scale refining plants, ethylene plants, compressor unit control.
Power energy: Thermal power / gas power station boilers, turbines, auxiliary equipment DCS control.
Metallurgical industry: Blast furnaces, converters, steel rolling lines process control.
Water treatment: Large-scale sewage / water purification plant automation systems.
Paper / cement: Continuous process control and safety interlock of production lines.
Safety system: ProSafe-RS emergency stop (ESD), combustion safety (FGS) core control.