Yokogawa AAI841-S00/K4A00 Analog I/O Modules

The Yokogawa AAI841-S00/K4A00 is a high-performance analog input/output (I/O) module designed for the CENTUM VP Distributed Control System (DCS). This module integrates 8 analog input and 8 analog output channels, supporting various input types including current, voltage, and thermocouples. Engineered for accurate data acquisition and control, it offers advanced diagnostics, hot-swappable design, and robust operation for demanding industrial environments.

Key Features

• Combines 8 analog inputs and 8 analog outputs in a single module

• Supports input signals: 4–20 mA, 1–5 V, and thermocouples

• Outputs 4–20 mA DC current signals with high accuracy

• High-resolution 16-bit A/D conversion for inputs and 12-bit D/A conversion for outputs

• Comprehensive diagnostics including input/output status and fault detection

• Hot-swappable design allows maintenance without system downtime

• Compact and modular for efficient rack installation

• Fully compatible with Yokogawa CENTUM VP system

Technical Specifications

Industry Applications

• Chemical and Petrochemical Processing

• Power Generation and Utilities

• Oil and Gas Industry

• Pharmaceutical Manufacturing

• Food and Beverage Processing

• Water and Wastewater Treatment

• Pulp and Paper Industry

• Metals and Mining Automation

Product Advantages

• Combines analog input and output channels in one compact module

• High precision 16-bit and 12-bit conversion for accurate control

• Advanced diagnostics enable proactive maintenance

• Hot-swappable to reduce downtime during service

• Compact design optimizes rack space usage

• Seamless integration with Yokogawa CENTUM VP systems

• Durable and reliable under harsh industrial conditions

Frequently Asked Questions (FAQ)

1. How many input and output channels does the AAI841-S00/K4A00 support?

It supports 8 analog input and 8 analog output channels.

2. What types of input signals are accepted?

4–20 mA, 1–5 V, and thermocouple inputs are supported.

3. What is the output signal type?

4–20 mA DC current output.

4. Is the module hot-swappable?

Yes, hot swapping is supported.

5. What are the input and output resolutions?

Inputs have 16-bit resolution; outputs have 12-bit resolution.

6. What diagnostics are available?

Input/output status, fault detection, and module health monitoring.

7. What are the physical dimensions of the module?

107.5mm × 32.8mm × 130 mm.

8. What is the operating temperature range?

0°C to +60°C.

9. What certifications does the module have?

Certified by CE, UL, CSA, and RoHS.

10. How can the module be mounted?

Supports DIN rail or I/O baseplate mounting.