CP40 control processor for Foxboro I/A Series DCS system, supports fault-tolerant redundant configuration, runs complex continuous and sequence control logic, replacement spare part for process automation.

Product Overview

• Part No: CP40
• Brand: FOXBORO
• Category: I/A Series High Performance Control Processor Module

CP40 is a high-performance core control processor in Foxboro I/A Series DCS platform, upgraded from CP30 with larger memory and faster processing capability. It executes continuous control, batch processing and safety interlock algorithms, communicates with FBM I/O modules, operator workstations and upper management systems. It supports optional fault-tolerant redundant deployment with bumpless automatic failover to ensure uninterrupted production. Built-in comprehensive hardware and communication self-diagnostics. Standard rack mounting design, widely adopted for DCS system maintenance, upgrade and retrofit projects.

Core Features

• Higher processing speed and larger memory than CP30 for complex control strategies
• Optional fault-tolerant redundant configuration for high system availability
• Real-time bidirectional data exchange with field I/O modules and HMI stations
• Built-in complete self-diagnosis for hardware and communication faults
• Front panel LED indicators for power, run and fault alarm status

• Easy upgrade from legacy CP series processors such as CP30

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Technical Specifications

• Operating temperature: 0°C ~ +60°C
• Storage temperature: -40°C ~ +85°C
• Humidity: 5%–95% non‑condensing
• Protection class: IP20 inside control cabinet

• Weight: approx. 1.20 kg

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Compatibility & Application

• Compatible with Foxboro I/A Series FBM I/O modules, nodebus and fieldbus racks
• Widely deployed in power, chemical, petrochemical and pharmaceutical process plants