Yokogawa AAI835-S00/K4A00 Analog I/O Modules

The Yokogawa AAI835-S00/K4A00 is a multifunctional analog input/output (I/O) module designed for the CENTUM VP Distributed Control System (DCS). It integrates 8 analog input channels and 8 analog output channels, supporting a wide range of signal types including current, voltage, and thermocouples. This module provides high-accuracy data acquisition and precise output control with advanced diagnostics, making it suitable for diverse industrial process automation applications.

Key Features

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

• Supports 4–20 mA, 1–5 V, and thermocouple inputs

• Provides 4–20 mA DC current output signals

• High-resolution 16-bit analog-to-digital conversion for inputs

• 12-bit digital-to-analog conversion for outputs

• Comprehensive diagnostics for input/output status and faults

• Hot-swappable design enables maintenance without system downtime

• Compact and modular design for optimized rack space use

• Compatible with Yokogawa CENTUM VP control 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 input and output channels in a single compact module

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

• Extensive diagnostics improve system reliability and maintenance

• Hot-swappable feature reduces downtime during service

• Compact size saves rack space and simplifies installation

• Seamless integration with CENTUM VP DCS platforms

• Robust design ensures stable operation under industrial conditions

Frequently Asked Questions (FAQ)

1. How many input and output channels does the AAI835-S00/K4A00 have?

It has 8 analog input and 8 analog output channels.

2. What types of input signals are supported?

Supports 4–20 mA, 1–5 V, and thermocouple signals.

3. What is the output signal type?

4–20 mA DC current output.

4. Is the module hot-swappable?

Yes, it supports hot swapping.

5. What are the input and output resolutions?

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

6. What diagnostics does the module include?

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

7. What are the physical dimensions?

107.5mm × 32.8mm × 130 mm.

8. What operating temperature range does it support?

0°C to +60°C.

9. What certifications does the module hold?

CE, UL, CSA, and RoHS certified.

10. How is the module mounted?

It supports DIN rail or I/O baseplate mounting.