The Yokogawa AIP504-50, also cataloged as the AIP504 Operation Keyboard, operates as a dedicated hardware component for operator process manipulation and alarm acknowledgement within Human Interface Station (HIS) platforms. The industrial-grade keyboard integrates 64 programmable function keys alongside dedicated process control keys for window calls and buzzer resets across CENTUM control environments. Operating on a standard 5 VDC supply via USB connectivity, the unit provides direct hardware interaction for real-time plant operations.
| Suffix Code | Option Specification |
|---|---|
| -50 | Standard Operation Keyboard Variant (USB Interface) |
| Parameter | Specification |
|---|---|
| Model | AIP504-50 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 2.0 kg without bracket (~2.5 kg with bracket) |
| Dimensions | 500 mm x 225 mm x 44 mm |
| Operating Temp | 5 deg C to 40 deg C |
| Power Consumption | Max ~1 A at 5 VDC (+/- 5%, USB supplied) |
| Function Keys | 64 programmable function keys |
| Dedicated Keys | Alarm acknowledgement, buzzer reset, window calls |
| Host Interface | USB interface (USB keyboard + optional USB speaker) |
| Cable Length | 2.3 m (+/- 0.1 m) |
| Safety Compliance | IEC 61010-1 Class I |
The AIP504-50 serves as the primary operator console interface to monitor field devices communicating via 4-20 mA HART loop protocol configurations. While the keyboard operates on the control room interface layer, internal signal conditioning isolates processing circuitry from static discharge and noise. Dedicated alarm response keys allow operators to acknowledge field loop thresholds, temperature overrides, and sensor fault states immediately upon CJC or channel isolation alarm triggers.
Q: How does the AIP504-50 interface with operator terminals?
A: The keyboard connects to Human Interface Station (HIS) terminals through an integrated 2.3 m USB interface cable, which supplies power and handles keypress data.
Q: What power source is required to operate the AIP504-50?
A: The device draws power directly from the host USB port, consuming a maximum current of approximately 1 A at 5 VDC.
Mount the AIP504-50 on a flat control desk surface or secure it using optional mounting brackets inside operator consoles. Ensure ambient operating temperatures remain between 5 deg C and 40 deg C without exposure to direct moisture.
Plug the 2.3 m USB cable directly into an available USB port on the HIS terminal. Maintain adequate cable strain relief to protect physical connection points during continuous shift operation. Verify functional grounding on the host terminal chassis to comply with IEC 61010-1 Class I safety standards.
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