AAI543-H50/K4A00 | Yokogawa | Analog Output Module

Product Overview

The AAI543-H50/K4A00 functions as a critical interface within the Yokogawa CENTUM VP system, converting digital control signals into 16 channels of isolated 4 to 20 mA analog outputs. This high-density module drives final control elements such as control valves and actuators with superior precision. Each unit comes in 100% Brand New and Original condition, ensuring maximum uptime for mission-critical industrial loops.

Part Number Breakdown

Technical Specifications

• Output Channels: 16 channels, fully isolated.

• Signal Range: 4 to 20 mA DC.

• Accuracy: ±48 µA (High-precision output control).

• Data Update Period: 10 ms (Supports rapid process response).

• Withstanding Voltage: 1500 V AC between output and system for 1 minute.

• Allowable Load Resistance: 0 to 750 Ω.

• Circuit-Open Detection: Triggers at less than 0.65 mA.

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

• Power Consumption: 230 mA (5 V DC) / 540 mA (24 V DC).

Engineering Advantages

• Simplify Complex Wiring: The integrated /K4A00 KS Cable Interface Adapter allows direct connection to AEA4D terminal boards. This eliminates point-to-point manual wiring, significantly reducing installation time and preventing terminal connection errors.

• Maintain Loop Integrity: Full 1500 V AC galvanic isolation protects the system logic from field-side electrical surges and ground loops. This architecture ensures that a fault on one output channel does not disrupt the remaining 15 channels or the main controller.

• Optimized for Redundancy: The "5" suffix indicates standard switch-over capability. In a redundant setup, this module ensures seamless transition between active and standby units, maintaining stable output to the field even during a module swap.

• Advanced Diagnostics via HART: The HART digital communication overlay enables bi-directional data flow. Engineers can perform remote valve signature analysis and device health checks directly through the AAI543 module without interrupting the 4-20 mA control signal.

FAQs

• Can I use this module in a redundant configuration?

  Yes. The AAI543-H50 supports standard switch-over response, making it ideal for redundant pairs in CENTUM VP stations where continuous process availability is required.

• What is the benefit of the /K4A00 option?

  This option provides a pre-installed adapter that mates with KS1 dedicated cables. It allows you to connect the module to an AEA4D Terminal Board quickly, bypassing the need for individual pressure clamp wiring at the module front.

• Does this module detect broken field wires?

  Yes. The module features built-in circuit-open detection. If the output current drops below 0.65 mA, the system immediately flags an open-loop alarm for rapid troubleshooting.

• Is this product factory-sealed?

  We guarantee this module is 100% Brand New. It ships in the original Yokogawa factory packaging with the original serial numbers and quality inspection tags intact.