
YOKOGAWA CP461-50 S2 Processor Module
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Yokogawa
Description
YOKOGAWA CP461-50 S2 Processor Module
Basic Information
| Item | Details |
|---|---|
| Full Model | CP461-50 S2 |
| Type | Communication Processor Module (FCS-side) |
| System | CENTUM CS 3000 / CENTUM VP DCS |
| Network | Vnet/IP |
| Power | 24 VDC |
| Weight | ~0.7 kg (1 lbs 10 oz) |
| Dimensions | 15.2 × 5.1 × 20.3 cm |
| Origin | Japan / Indonesia |
| Status | Legacy, widely used in industrial plants |
Core Functions
- Acts as the network gateway between FCS and HIS (Human Interface Station)
- Handles bidirectional real-time data exchange (process data, control commands)
- Supports redundant Vnet/IP communication for high reliability
- Works with main CPU modules (e.g., AFV10S) to form a complete control node
- Manages communication protocols and network traffic
Key Specifications
1. Communication Interfaces
- 2 × RJ45 Ethernet ports (Vnet/IP)
- 100 Mbps full-duplex operation
- Supports redundant network configuration
2. Processor & Memory
- High-performance 32/64-bit RISC/DSP core
- Onboard program/data memory for communication tasks
- Battery-backed memory (up to 72 hours) for configuration retention
3. Environmental Ratings
- Operating temperature: 0°C to 55°C
- Storage temperature: -25°C to 70°C
- Humidity: 50–95% RH (non-condensing)
- Pollution degree: 2
4. Compatibility
- For CENTUM CS 3000 / CENTUM VP FCS racks
- Works with AFV300 / AFV400 series main CPUs
- Used in oil & gas, power, petrochemical, and pharmaceutical plants
Suffix Meaning
- -50: Standard hardware variant
- S2: Hardware revision (second generation)










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