Product Overview
The Foxboro P0903CW serves as a specialized Operator Interface Annunciator and Numeric Keyboard for the I/A Series Distributed Control System (DCS). This 100% Brand New original hardware provides tactile control and rapid alarm acknowledgement capabilities for control room operators. It allows for precise numeric data entry and immediate interaction with system annunciators, bridging the gap between the operator and the underlying DCS logic. Engineered for the demanding 24/7 environment of industrial control rooms, the P0903CW ensures reliable input for critical process adjustments in power plants, refineries, and chemical facilities.
Technical Specifications
| Feature | Technical Details |
| Model / Part Number | P0903CW |
| Type | Annunciator / Numeric Keyboard |
| Compatibility | Foxboro I/A Series Workstations / AW70 / WP70 |
| Interface Layout | Integrated Numeric Keypad + Specialized Annunciator Keys |
| Enclosure Material | High-durability Industrial Grade Polymer |
| Input Voltage | 5 V DC / 12 V DC (Interface Dependent) |
| Connection Type | Industrial Interface Cable (Proprietary) |
| Operating Temperature | 0 to +50 °C (32 to 122 °F) |
| Shipping Weight | 4.5 kg |
| Industrial Rating | Ruggedized for continuous control room use |
Engineering Advantages
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Instant Alarm Response: The specialized annunciator keys allow operators to acknowledge alarms and silence sirens instantly. This hardware-based interaction bypasses complex menu navigation on the HMI screen, reducing response times during critical process upsets.
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High-Tactile Numeric Entry: Dedicated numeric keys provide physical feedback, ensuring accurate setpoint entries. This reduces the risk of input errors compared to standard consumer-grade keyboards or touch-screen interfaces.
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Optimized Control Room Ergonomics: The P0903CW features a layout specifically optimized for Foxboro DCS software environments. It provides a familiar interface for operators transitioning between different generations of I/A Series workstations.
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Superior Durability: Unlike standard office peripherals, the P0903CW withstands the repetitive use and mechanical stress of three-shift industrial operations. The high-grade switches prevent key-sticking and signal degradation over long-term service.
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Seamless System Integration: The keyboard communicates directly with Foxboro operator stations. It requires no specialized third-party drivers, ensuring that the I/A Series software natively recognizes all function keys and numeric inputs upon connection.
FAQs
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Can I use the P0903CW with a standard Windows PC?
The P0903CW is designed specifically for Foxboro I/A Series hardware and workstations. It utilizes proprietary communication protocols and connectors that differ from standard USB/PS2 keyboards.
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Does this unit include the interface cable?
Standard shipping typically includes the keyboard unit. Please verify your existing cable condition, as the proprietary interface cable is often a separate line item if a full replacement is required.
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Is the P0903CW a direct replacement for older P0903 series keyboards?
Yes, the P0903CW maintains compatibility with the P0903 series. However, always verify your workstation's interface port (Serial vs. Proprietary Bus) to ensure a correct hardware match.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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