Yokogawa AAI543-S50/ATK4A-00 Analog Output Module

Overview

The Yokogawa AAI543-S50/ATK4A-00 is a high-performance 16-channel analog output module for use in CENTUM VP and CS 3000 Distributed Control Systems (DCS). It transmits precise 4–20 mA current signals to field devices, such as control valves, actuators, and indicators. Engineers favor this module for its high accuracy, robust isolation, and fast update rate, making it ideal for demanding industrial automation applications.

Technical Specifications

• Model: AAI543-S50/ATK4A-00

• Type: Analog Output Module

• Output Signal: 4–20 mA DC

• Number of Channels: 16 isolated channels

• Accuracy: ±48 µA

• Data Update Rate: 10 ms per channel

• Allowable Load Resistance: 0 to 750 Ω

• Circuit-Open Detection: Active when output current falls below 0.65 mA

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

• Temperature Drift: ±16 µA per 10 °C change

• Power Supply Requirements:

• 5 V DC @ 230 mA

• 24 V DC @ 540 mA

• Mounting Style: DIN rail or panel mount

• Connection Type: KS cable interface adapter (ATK4A-00) to terminal board

• External Wiring: MIL connector, pressure clamp terminal, or KS1 cable

• Redundancy Support: Yes, with standard switch-over capability

• HART Communication: Optional (with correct firmware and terminal board)

• Explosion Protection: Not included (standard version)

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

• Weight: 0.4 kg