Product Overview

The Yokogawa AIP831-101 is a specialized industrial input device designed specifically for the CENTUM VP Distributed Control System (DCS). Engineered for high-intensity monitoring environments, this operation keyboard facilitates simultaneous eight-loop control for Desktop Type Human Interface Stations (HIS). It features a sophisticated "Instrument Faceplate Highlight" function driven by integrated touch sensors, allowing operators to instantly identify and interact with specific control loops on their display. Beyond standard input capabilities, the unit incorporates an independent USB-driven sound system to manage critical process alarms and audible feedback, ensuring the operator remains alert to system changes in real-time.

Physical and Electrical Architecture

The AIP831-101 is a rugged, flat-panel interface built to withstand continuous use in control room environments. Below are the core hardware parameters and physical dimensions:

• Primary Interface: Dual USB A-type connectors.

• Communication Standards: USB 2.0 (Full-speed) for keyboard functions; USB 1.1 for audio functions.

• Power Supply: 5V DC ±5% (Directly bus-powered via PC USB ports).

• Current Draw: Maximum 1.0 Ampere.

• Chassis Color: Industrial Black (Munsell No. N1.5).

• Safety Class: IEC 61010-1, Class I compliant.

• Net Weight (Standard): 2.0 kg.

• Net Weight (With VESA Mounting): 2.5 kg.

• Approximate Dimensions: 440 mm x 170 mm x 45 mm (Width x Depth x Height).

• Thermal Range: 5 to 40 °C during active operation.

• Moisture Resistance: 20 to 80 % RH (Non-condensing).

Industrial Deployment Context

The integration of the AIP831-101 is essential for complex process plants that utilize the CENTUM VP ecosystem. It is primarily utilized in the following scenarios:

• Simultaneous Loop Management: Ideal for high-density control rooms where operators must manage eight active loops concurrently without switching windows.

• High-Security Monitoring: Applied in sectors like power generation and chemical processing where tactile feedback and dedicated alarm buzzers are required for safety-critical operations.

• Space-Optimized Workstations: Designed for desktop-style HIS setups where VESA mounting or flat-surface placement is needed to maximize ergonomic efficiency.

• Software Integration: Specifically intended for use with the LHS1140 Eight-loop Operation Package and compatible with LHS1100/LHM1101 Standard Operation functions (R5.03+).

FAQ

Q: Does the AIP831-101 require an external power supply?

A: No, the keyboard is entirely bus-powered through the two USB A-type connectors connected to the HIS host computer.

Q: Is this keyboard compatible with the LHS1120 software package?

A: No, the AIP831-101 is explicitly incompatible with LHS1120 and LHS1130. It requires the LHS1140 Eight-loop Simultaneous Operation Package to function correctly.

Q: What is the purpose of the touch sensors on the control keys?

A: The touch sensors trigger the "Instrument Faceplate Highlight" function, which provides visual confirmation on the HIS monitor, ensuring the operator has selected the correct loop before executing a command.

Q: Can I use this keyboard with any PC?

A: While it uses a standard USB interface, its full functionality is dependent on the CENTUM VP software environment (Version R5.03 or later) and specific Yokogawa HIS drivers.

Q: How does the audio function operate?

A: The keyboard includes a built-in USB speaker that functions as an independent sound device for the PC, specifically used for buzzing alarms and system alerts to ensure they are heard over ambient control room noise.