Product Description

Precision Field Device Control Overview

The AAI543-H00 (Model: AAI543) is a high-density analog output module designed for the Yokogawa CENTUM VP and CS 3000 Field Control Stations (FCS). As a specialized component of the Field I/O (FIO) subsystem, the AAI543-H00 (Order Number: AAI543-H00) provides 16 isolated channels engineered to drive final control elements such as control valves, actuators, and variable speed drives. The "-H" designation indicates integrated digital communication via the HART protocol. This feature enables the DCS to perform remote configuration, real-time calibration, and advanced diagnostics of HART-enabled field instruments directly over the primary 4–20 mA control loop, significantly reducing the need for local field maintenance.

Detailed Technical Specifications

The AAI543-H00 (AAI543-H00) is optimized for low-latency control loop execution and robust electrical isolation.

• Manufacturer: Yokogawa Electric Corporation

• Model Number: AAI543-H00

• Part Number: AAI543-H00/A4D00 (with dual pressure clamp terminal)

• Product Type: Isolated Analog Output Module

• Number of Channels: 16, fully isolated

• Output Signal: 4 to 20 mA DC

• Digital Communication: HART Protocol (Digital data superimposed on 4-20mA loop)

• Update Period: 10 ms (High-speed logic execution)

• Allowable Load Resistance: 0 to 750 Ω

• Accuracy: ±48 µA (±0.3% of full scale)

• Output Isolation: 1500 V AC between output and system (1 minute)

• Current Consumption: 230 mA (5 V DC); 540 mA (24 V DC)

• Redundancy: Supports dual-redundant (duplex) configuration

• Fault Detection: Open-circuit detection (Triggered < 0.65 mA)

• Terminal Block Compatibility: A4D00 (Dual pressure clamp)

• Operating Temperature: 0 to +60°C (32 to 140°F)

• Weight: 0.4 kg (Net) / 1.5 kg (Shipping)