Foxboro P0903CW Annunciator / Numeric Keyboard

Product Description

The Foxboro P0903CW is a rugged annunciator and numeric keyboard module designed for I/A Series distributed control systems. It provides operators with a reliable interface for monitoring alarms, entering data, and interacting with industrial automation processes. Moreover, its compact and durable construction ensures long-term performance even in harsh environments. This module combines 32 LED/switch pairs with a 16-section numeric keypad, delivering both real-time status feedback and efficient operator input.

Key Features

• Combines annunciator LEDs with a numeric keypad for simultaneous monitoring and data entry.

• Supports integration with Foxboro I/A Series control systems for seamless process communication.

• Rugged construction ensures dependable operation in industrial, chemical, and energy environments.

• Some revisions include Modbus protocol support for enhanced compatibility with PLCs and DCS systems.

• Compact design allows flexible rack or panel installation, optimizing control room space.

Technical Specifications

• Model: P0903CW

• Type: Annunciator / Numeric Keyboard

• LED/Switch Pairs: 32 for alarm indication and operator acknowledgment

• Numeric Keypad: 16-section keypad for data entry

• Interface Connector: 9-pin connector

• Communication: Foxboro I/A Series integration, optional Modbus support

• Operating Temperature: −20 °C to +60 °C (varies by revision)

• Construction: Rugged industrial-grade design

• Weight: 6.15 lbs

Typical Applications

• Process Control: Chemical, petrochemical, and refining industries for alarm monitoring.

• Power & Energy: Efficient plant status monitoring with rapid operator responses.

• Water Treatment & Utilities: Supervisory control, alarm acknowledgment, and status reporting.

• Industrial Automation: Any environment requiring durable operator interface with numeric input.

FAQ

Q: Is the Foxboro P0903CW still available?
A: Yes, the module is discontinued by the manufacturer but available as new or refurbished units from authorized resellers.

Q: Can it integrate with other control systems?
A: Some revisions support Modbus protocol, allowing easier integration with PLCs and DCS platforms.

Q: What environments is it suitable for?
A: The module is designed for harsh industrial conditions, including chemical, power, water treatment, and general automation settings.

Q: How many operator inputs does it provide?
A: It offers 16 numeric keypad entries and 32 LED/switch pairs for alarm acknowledgment and control.