Product Description

The CP330D S3 (P/N: CP330D) is a mission-critical processor module designed for the Yokogawa CENTUM CS Distributed Control System (DCS). As an S3 hardware style revision, it represents an enhanced iteration optimized for long-term operational stability and high-speed logic execution in demanding industrial environments. The module serves as the central processing unit of the Field Control Station (FCS), responsible for real-time process control, alarm management, and closed-loop control calculations.

Designed with redundancy as a core principle, the CP330D S3 is typically installed as a dual-redundant processor pair within a dedicated FCS backplane. In the event of a primary processor failure, control is transferred instantaneously to the standby module without disturbing the ongoing field process, enabling true bumpless transfer. The module features robust EMC immunity and a thermally optimized design suitable for continuous operation in harsh industrial control rooms.

Technical Specifications

Application Overview

The CP330D S3 is widely used for legacy system maintenance, life-extension projects, and performance upgrades across industries such as power generation, chemical processing, oil and gas, and marine automation. Installed within Field Control Units (FCU), it interfaces with multiple I/O nests and provides the computational capacity required for large-scale PID control, interlock logic, and sequential operations.

FAQ

Q: What does the “S3” suffix indicate?
A: The “S3” designation refers to the hardware style or revision level. It indicates updated internal components with improved availability, lifecycle support, and compatibility compared to earlier S1 or S2 versions.

Q: Does the CP330D S3 include a backup battery?
A: Yes. The module is typically supplied with an internal lithium battery used for program and configuration backup. Periodic inspection and replacement are recommended as part of standard DCS maintenance procedures.