Yokogawa AAI143-H03/K4A00 Analog Input Module

The Yokogawa AAI143-H03/K4A00 is a 16-channel analog input module designed for high-precision, isolated current input measurement in field control systems. Supporting 4 to 20 mA input signals, this module ensures safe and stable operation in harsh industrial environments, including those with HART communication requirements.

Product Features

• 16 isolated analog input channels

• Input signal range: 4 to 20 mA DC

• Integrated HART communication support

• Channel-wise configurable for 2-wire or 4-wire transmitters

• High accuracy and fast data update (10 ms)

• Designed for dual-redundant configurations

• Voltage isolation between field and system: 1500 V AC

• Equipped with KS Cable Interface Adapter (/K4A00)

Technical Specifications

Applications

• Distributed Control Systems (DCS)

• Oil and Gas Monitoring Systems

• Power Generation Facilities

• Pharmaceutical Manufacturing

• Water and Wastewater Treatment Plants

• Chemical Process Control

Key Advantages

• Electrical isolation ensures safe operation in critical environments

• Built-in HART support enables advanced device diagnostics

• Compact design optimizes cabinet space

• Reliable and quick signal processing

• Supports both 2-wire and 4-wire transmitters

• Enhanced resilience with optional surge-absorbing terminal blocks

FAQs

Q1: How many input channels does the AAI143-H03/K4A00 support?

A1: It supports 16 isolated analog input channels.

Q2: What type of signals can the module receive?

A2: It is designed for 4 to 20 mA DC current input signals.

Q3: Is the AAI143-H03/K4A00 suitable for HART communication?

A3: Yes, it supports HART communication for each input channel.

Q4: Can this module be used in redundant configurations?

A4: Yes, it supports dual-redundant configurations for high availability systems.

Q5: What kind of transmitters does it support?

A5: It can be configured for both 2-wire and 4-wire transmitters per channel.

Q6: What is the voltage isolation rating of the module?

A6: 1500 V AC between input and system for 1 minute.

Q7: How frequently is the data updated?

A7: The data update cycle is every 10 milliseconds.

Q8: What is the module’s power consumption?

A8: 230 mA at 5 V DC and 540 mA at 24 V DC.

Q9: What connection types are supported?

A9: It supports pressure clamp terminal, MIL connector cable, and KS1 cable.

Q10: Can this module be used in intrinsically safe applications?

A10: Yes, but a Zener barrier cannot be used; an isolation barrier must be used instead.