Yokogawa AAI543-S50/A4S00 Analog Output Module

Overview

The Yokogawa AAI543-S50/A4S00 is a 16-channel analog output module built for CENTUM VP and CS 3000 Distributed Control Systems (DCS). It outputs 4–20 mA current signals to control field devices such as valves, indicators, and actuators. Yokogawa designed it for high accuracy, fast data updates, and excellent signal isolation, making it ideal for demanding industrial environments.

Technical Specifications

Model: AAI543-S50/A4S00
Type: Analog Output Module

Output Performance

• Output Signal: 4–20 mA (current output)

• Number of Channels: 16 (isolated)

• Accuracy: ±48 µA

• Temperature Drift: ±16 µA per 10°C

• Data Update Period: 10 ms

• Circuit-Open Detection: Less than 0.65 mA

• Allowable Load Resistance: 0 to 750 Ω

Electrical Characteristics

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

• Power Consumption:

• 5 V DC: 230 mA

• 24 V DC: 540 mA

Communication & Redundancy

• HART Communication: Not supported

• Redundancy: Supports dual-redundant configuration with auto switchover

Environmental Conditions

• Ambient Temperature Range: 0°C to +60°C

• Isolation Voltage: 1500 V AC

Physical Details

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

• Weight: 0.4 kg