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The Yokogawa CP451 series comprises high-performance processor modules designed for use within Yokogawa’s CENTUM distributed control systems (DCS). These modules serve as the central processing units (CPUs) in Field Control Stations (FCS), executing complex control strategies, data acquisition, and communication functions crucial for process automation. The CP451 processors are widely deployed in industries such as power generation, chemical processing, oil and gas, and manufacturing where precision, reliability, and high-speed control response are essential.
- CP451
A notable model in the series, the CP451-50, is equipped with a powerful 64-bit quad-core CPU running at 2.5 GHz and 16 GB DDR4 memory, enabling it to handle large volumes of data and sophisticated control algorithms seamlessly. The module supports multiple communication ports including Ethernet, USB, RS-232C, and RS-485, facilitating integration with operator interfaces, other control modules, and field devices. It offers dual-redundant configuration support, enhancing system availability and fault tolerance essential for critical industrial processes. The processor is compatible with Yokogawa’s CENTUM VP and CS 3000 platforms, providing versatile and scalable control system architecture.
Technically, the Yokogawa CP451 processor modules feature around 16 channels for 4-20 mA signal inputs, a 24 V DC power supply, and dimensions roughly 265 x 305 x 35 mm with a weight near 3.5 kg for models like the CP451-50. These modules are designed for durability and reliable operation in industrial environments with built-in protections to resist electrical noise and system interference. Their engineering facilitates easy installation, maintenance, and expansion within Yokogawa’s distributed and modular control systems.
| Parameter | Value |
|---|---|
| Model | CP451 series (e.g., CP451-50) |
| Brand | Yokogawa |
| Type | Processor Module for Distributed Control System |
| CPU | 64-bit quad-core, 2.5 GHz |
| Memory | 16 GB DDR4 |
| Communication Ports | Ethernet, USB, RS-232C, RS-485 |
| Signal Channels | Approx. 16 channels for 4-20 mA inputs |
| Power Supply | 24 V DC |
| Dimensions (LxWxH) | Approx. 265 x 305 x 35 mm |
| Weight | Approx. 3.5 kg |
| Compatibility | CENTUM VP, CENTUM CS 3000 |
| Redundancy Support | Dual-redundant configuration |
| Application | Industrial process automation |
Other related modules include Yokogawa analog and digital input/output units, communication adapters like the ALP and ALE series, and specialized control and interface modules forming a complete, scalable automation ecosystem.
Installation of the Yokogawa CP451 processor should observe Yokogawa’s guidelines for electrical grounding, noise reduction, and ventilation. Its modular design makes it straightforward to insert and replace in compatible field control stations. Periodic firmware updates and system diagnostics using Yokogawa tools help maintain reliable performance and feature updates.
