Overview

The Foxboro P0903CW Annunciator Numeric Keyboard is an integral part of the Foxboro I/A Series® Distributed Control System (DCS). This dual-purpose device combines alarm annunciation and numeric input capabilities, providing operators with an efficient interface for managing system events. The device features visual annunciator lights, audible alarms, and a numeric keypad, ensuring fast response to alarms and easy parameter input for process control.

The P0903CW can be installed either as a free-standing unit or mounted directly on a workstation/panel, offering flexibility for various installation environments. It is widely used in control rooms and other operator interfaces, especially in industries like oil & gas, chemical processing, power generation, and water treatment.

Technical Data

Key Benefits

• Integrated Operator Interface: Combines annunciator lights, audible alarms, and numeric keypad into one device, streamlining operator interaction and response.

• Alarm Differentiation: Features multiple audio pitches to help operators quickly identify the severity or priority of alarms, enabling faster action.

• Flexible Installation: Can be set up as a free-standing unit or mounted on a panel or workstation for versatility in different work environments.

• External Audio Support: Includes an external audio output jack for connecting to an external amplifier and speakers, ensuring louder, more noticeable alarm annunciation when needed.

• System Compatibility: Specifically designed for use with Foxboro I/A Series® DCS workstations and servers, ensuring seamless integration with existing systems.

Typical Applications

• Process Control Rooms: Provides operators with quick access to alarms and input functions in a control room setting.

• Oil & Gas: Utilized in refineries and pipeline monitoring systems for real-time event handling and operator interactions.

• Chemical Plants: Supports alarm management and operator input in hazardous and high-risk environments.

• Power Generation: Interfaces with turbine and boiler control systems to alert operators of critical issues and allow them to input parameters directly.

• Water Treatment: Helps operators in water treatment facilities respond quickly to alarms and input control parameters to maintain safe operations.

FAQ

Q1: What is the main function of the P0903CW?
A1: It provides alarm annunciation through lights and audio, and a numeric keypad for direct operator input of control parameters.

Q2: How does it differentiate alarms?
A2: It uses multiple audio pitches to indicate different levels of alarm priority, helping operators react appropriately.

Q3: Can it be mounted?
A3: Yes, it can be free-standing or mounted on a workstation/panel depending on the installation preference.

Q4: Is it still supported?
A4: Yes, although it is a legacy product, the P0903CW remains supported in many existing I/A Series® installations.

Q5: What systems is it compatible with?
A5: It is compatible with Foxboro I/A Series® DCS workstations and servers.