Description
1. Product Title
Foxboro P0903CW‑ Annunciator / Numeric Operator Keyboard for I/A‑Series DCS
2. Product Overview
P0903CW is a panel‑mount operator annunciator keyboard for Foxboro I/A‑Series DCS operator workstations. It integrates numeric keypad, function keys and 32 sets of annunciator LED indicator lamps. Operators can complete parameter input, alarm acknowledge, alarm reset and operation command execution locally. 9‑pin serial connector communicates with I/A‑Series workstation host. Rugged panel‑mount mechanical structure for control‑room cabinet installation. Original manufacturing is discontinued, mainly used as spare‑part replacement for existing running DCS operator stations in chemical, refinery and power‑generation plants.
3. Technical Specifications
- Brand: Foxboro (Schneider Electric / Invensys)
- Model: P0903CW, Annunciator / Numeric Keyboard
- Warranty: One Year
- Condition: 100% New & Original
- Function: Numeric & function key input, alarm annunciation, alarm acknowledge / reset
- Annunciator: 32 groups of LED indicator & switch pairs for alarm status display
- Interface: 9‑pin serial communication connector
- Power: 24 VDC nominal power supply; power consumption 3‑6 W
- Mounting: Control‑room panel cut‑out mounting
- Dimension: 625 mm × 288 mm × 100 mm
- Weight: Approx 3.8 kg
- Operating Temperature: 0 °C ~ +50 °C
- Storage Temperature: ‑40 °C ~ +70 °C
- Humidity: 5‑95 % RH non‑condensing
- Remark: End‑of‑life product, spare‑part‑only for field‑running I/A‑Series systems
- Compatibility: Foxboro I/A Series DCS operator workstation
- Compliance: CE certified
5. Application Scenarios
- Chemical Plant Control Room: Installed on DCS operator console, for process parameter input, alarm confirmation and operation command issuing.
- Petroleum Refinery Operator Station: Real‑time alarm light indication for fractionation‑unit process alarms, fast acknowledge and reset operation.
- Combined‑Cycle Power‑Generation Facility: Operator human‑machine interface accessory for boiler and turbine DCS control console.
Compact200 hardware summary update：
- FBM201(P0914SQ) ↔ RH916XG
- FBM204(P0914SY) ↔ RH916XK
- FBM207(P0914TD) / FBM207B(P0914WH) / FBM207C(P0917GY) ↔ RH916XL
- FBM208(P0914WM) ↔ RH916XT
- Baseplate power supply：P0970WU
- Operator keyboard：P0903CW
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