Product Description
Product Overview
| Field | Details |
|---|---|
| Manufacturer | Foxboro (by Schneider Electric) |
| Part Number | P0924TT |
| Product Type | USB Annunciator Keyboard |
| Function | Provides output via annunciator lights and audible alarms, and input via key switches for operator interaction |
| System Compatibility | Foxboro Evo or I/A Series workstations/servers with Windows 7 or Windows Server 2008 R2 |
| Associated Document | PSS 31H-4USBKBD |
Functional Specifications
| Feature | Specification |
|---|---|
| Key Layout | 48 LED/switch pairs (5 rows of 12 keys, including 12 macro keys at top without LEDs) |
| Additional Keys | Silence Horn key (illuminated), Lamp Test key (illuminated, above Silence Horn key) |
| LED States | Configurable: Red, Yellow, Green, or Off (no color); states (ON, OFF, FLASHING) controlled by workstation software |
| Switch Function | Each switch invokes pre-configured displays or operator responses |
| Labels | Polyester labels inserted in recess under clear plastic shield on each key |
| Alarm Relay | Two-pole relay: one pole activates external device (e.g., alarm horn), other pole for internal self-check to verify relay functionality |
| Audio Alarm | Multiple pitches for system/process alarm differentiation; external audio output jack for customer-supplied amplifier/speakers |
| Audio Output Signal | - Output Impedance: 1200 Ohms nominal - Nominal Level: 0.437 to 0.133 Vrms (max to min volume) - Peak Amplitude: 0.437 Vpk (square wave) - Peak-to-Peak Amplitude: 0.872 Vpp |
| Connection | USB Type A via 0.5 m (1.6 ft) Male Micro USB to Male Standard USB cable; supports USB hub; extended connections up to 30.5 m (100 ft) with kits (P0923DY, P0923DZ) |
| Extended Connection Kits | - P0923DY (120 V AC): Includes P0923DX (30.5 m fiber USB extender), P0928EH (7-port USB hub with 100-120 V AC power supply), mounting foam pads - P0923DZ (240 V AC): Includes P0923DX, P0928EH, P0923FJ (240 V AC/5 V DC power supply), P0800FJ (Schuko line cord), mounting foam pads |
| Host Requirements | Windows 7 or Windows Server 2008 R2; incompatible with serial card or GCIO interface module |
| Limitations | Cannot connect via Remote Graphics Unit (RGU); stations cannot use both annunciator and annunciator/numeric keyboards simultaneously |
| Key Feedback | Positive tactile/audible feedback for switch closure |
Physical Specifications
| Feature | Specification |
|---|---|
| Mounting | Free-standing or workstation/panel-mounted |
| Mass | 1.27 kg (3.80 lb) |
| Construction | - Keyboard: Mechanical molded with keycap inserts - Base: Powder-coated extruded aluminum with molded plastic end caps - Foot Pads: Santoprene |
| USB Cable | 0.5 m (1.6 ft), Male Micro USB to Male Standard USB, included |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to 40°C (32 to 104°F) |
| Storage Temperature | -40 to +70°C (-40 to 158°F) |
| Humidity | 20% to 80%, non-condensing (storage and operating) |
| Contamination | Class G1 (Mild) per ISA Standard S71.04 |
| Liquid Spills | Withstands liquid spills and cleaning with mild non-abrasive liquid agents; recommended cleaning with clean dampened cloth |
| Location | Suitable for ordinary locations, meets safety standards for fire and shock hazards |
Regulatory Compliance
| Certification Type | Details |
|---|---|
| EMC Emission | CISPR 11, Class A |
| Safety | Designed for ordinary locations, meets standards for fire and shock hazards |
Power Specifications
| Feature | Specification |
|---|---|
| Power Requirements | 5 V DC ±5% at USB Type A connection |
| Power Consumption | 300 mA (maximum) |
Additional Features
| Feature | Details |
|---|---|
| Lamp Test Function | Simultaneously illuminates all LEDs for testing |
| External Audio | Supports customer-supplied audio amplifier/speakers via output jack for noisy environments |
Ordering Information
| Field | Details |
|---|---|
| Part Number | P0924TT (USB Annunciator Keyboard) |
| Related Components | - Extended Connection Kits: P0923DY (120 V AC), P0923DZ (240 V AC) |