Configured for Specific Technical Task in CENTUM VP HIS platforms, the Yokogawa AIP830-111/EIM (Yokogawa AIP830 Operation Keyboard) provides direct physical/electrical execution of single-loop operation, alarm handling, and system navigation. The hardware converts physical keystrokes and mode configurations into deterministic digital commands transmitted directly to the host Human Interface Station processor.
| Parameter | Specification |
|---|---|
| Model | AIP830-111/EIM |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 2.0 kg |
| Dimensions | 440 x 285 x 52 mm |
| Operating Temp | 5 to 40 deg C |
| Power Consumption | Maximum 1 A current draw |
| Power Supply | 5 VDC plus/minus 5% (via USB connection) |
| Interface Ports | Dual USB A-type (USB 2.0 for input, USB 1.1 for audio) |
| Function Keys | 64 programmable keys |
| Integrated Audio | USB speaker and internal buzzer |
| Color | Black (Munsell No. N1.5 equivalent) |
| Safety Standard | IEC 61010-1 Class I |
The terminal assembly translates tactile matrix scan paths into dedicated interface codes mapping to active distributed control system display displays. The peripheral logic layout operates downstream of standard 4-20 mA HART loop protocol configurations, enabling operators to call up single-loop tuning templates and clear process alarms directly from dedicated physical switch paths. Electrical isolation boundaries are preserved via the independent dual USB interface links, preventing common-mode grounding noise from injecting errors into the host computer backplane.
Q: Why does the system architecture require two individual USB connections to the HIS computer?
A: The hardware architecture separates the transmission paths to balance power and communication pipelines. Port A handles the high-speed data packets for the 64 programmable keys and alphanumeric inputs, while Port B drives the integrated USB audio system and internal alarm buzzer.
Q: Is this industrial keyboard assembly hot-pluggable during continuous workstation operation?
A: The USB interface layer permits live connection and removal. However, operators must remain aware that removing the hardware breaks the manual single-loop override connection, requiring supervisory configuration before unseating the device.
Q: How does the mode selection switch interact with system software layers?
A: The physical mode selection switch alters the local internal encoding registers, transmitting hardwired priority changes to the host console software to restrict or permit specific tuning loop adjustment actions.
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