Yokogawa AAI543-H50/A4S00 Analog Output Module

Overview

The AAI543-H50/A4S00 is a 16-channel isolated analog output module from Yokogawa. It sends 4–20 mA analog signals with high precision. The module supports HART digital communication for smart field device integration. The /A4S00 suffix includes the ATA4S-00 pressure clamp terminal block. This feature simplifies wiring and accelerates installation. The module suits demanding industrial automation systems requiring fast and reliable analog output.

Technical Specifications

• Model: AAI543-H50/A4S00

• Output Channels: 16, isolated

• Output Signal: 4 to 20 mA

• Digital Communication: HART protocol

• Redundancy: Standard switch-over response supported

• Withstanding Voltage: 1500 V AC (1 minute, output to system)

• Allowable Load Resistance: 0 to 750 Ω

• Circuit-Open Detection Threshold: Less than 0.65 mA

• Accuracy: ±0.05% of full scale

• Response Time: 1 millisecond

• Temperature Drift: ±16 µA per 10 °C

• Operating Temperature Range: –40 to +85 °C

• Power Consumption:

• 230 mA @ 5 V DC

• 540 mA @ 24 V DC

• External Connection: Pressure clamp terminal (ATA4S-00)

• Dimensions: 170 × 120 × 45 mm

• Weight: 0.4 kg

Model Breakdown

• AAI543 – Analog Output Module (4–20 mA, 16-channel, Isolated)

• H – Includes HART digital communication

• 5 – Supports standard switch-over (no explosion protection)

• 0 – Basic hardware type

• /A4S00 – Adds pressure clamp terminal block (ATA4S-00)