The Yokogawa AAI543-S03/ATA4S-00 is a high-performance 16-channel isolated current output module designed for reliable analog signal control in industrial automation systems. It outputs 4–20 mA signals with high accuracy and supports HART communication for integration with smart field devices. Suitable for dual-redundant configurations, it ensures operational continuity and fast switch-over in case of module failure.

Technical Specifications

Applications

• Distributed control systems (DCS) output signal transmission

• Driving analog control valves and actuators

• Integration with HART-enabled field devices

• Industrial process control in oil & gas, chemical, and power plants

• Redundant control configurations for high availability

Advantages

• High Reliability – Isolated channels reduce interference and enhance stability.

• Dual-Redundancy Support – Ensures minimal downtime with fast or standard switch-over.

• HART Compatibility – Facilitates advanced diagnostics and configuration.

• Compact Design – Small footprint for space-constrained installations.

• High Accuracy – Stable output performance even in demanding environments.

FAQ

Q1: How many output channels does the AAI543-S03 provide?

A1: It provides 16 isolated current output channels.

Q2: What is the output signal range?

A2: The module outputs 4 to 20 mA DC signals.

Q3: Can this module be used in a dual-redundant configuration?

A3: Yes, it supports both standard and fast switch-over redundancy.

Q4: Is the AAI543-S03 compatible with HART communication?

A4: Yes, it supports HART communication for enhanced device integration.

Q5: What is the allowable load resistance for outputs?

A5: It supports loads from 0 to 750 Ω.

Q6: What is the module’s accuracy?

A6: It has an accuracy of ±48 µA.

Q7: What is the withstanding voltage specification?

A7: 1500 V AC between output and system for 1 minute.

Q8: What are the dimensions and weight?

A8: 107.5 × 32.8 × 130 mm, weighing 0.4 kg.

Q9: What are typical applications of this module?

A9: Process control, valve control, and analog signal output in industrial automation.

Q10: Does it have circuit-open detection?

A10: Yes, it detects open circuits at less than 0.65 mA.