Yokogawa AAI835-H00 Product Documentation

Product Introduction

The Yokogawa AAI835-H00 is a highly reliable analog input module designed for industrial automation and process control applications. It is part of Yokogawa’s extensive lineup of signal conditioning and I/O modules, known for their precision, durability, and compatibility with various control systems.

This module is widely used in industries such as oil & gas, chemical, power generation, and water treatment, where accurate signal conversion and transmission are critical. The AAI835-H00 supports multiple input signals, including voltage and current, making it a versatile solution for diverse industrial environments.

Product Advantages

1. High Accuracy – Provides precise signal conversion with minimal error, ensuring reliable data acquisition.
2. Wide Input Range – Supports various analog input signals, including 4-20mA, 0-10V, and more.
3. Robust Construction – Designed to withstand harsh industrial conditions, including high temperatures and electrical noise.
4. Easy Integration – Compatible with Yokogawa’s control systems and third-party PLCs/DCS.
5. Low Maintenance – Built for long-term reliability, reducing downtime and operational costs.
6. Flexible Configuration – Allows customization of input ranges and scaling for specific application needs.

Technical Specifications

Applications

• Process Control Systems – Used in DCS/PLC-based automation for monitoring process variables.
• Power Plants – Measures critical parameters such as pressure, temperature, and flow.
• Oil & Gas – Ensures accurate signal transmission in hazardous environments.
• Water/Wastewater Treatment – Monitors pH, level, and other process signals.
• Manufacturing Automation – Integrates with robotic and assembly line controls.

Compatible & Recommended Models

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Popular Yokogawa Models

Installation Instructions

1. Mounting – Secure the module on a DIN rail or panel using the provided clips.
2. Wiring – Connect input signals and power supply according to the terminal diagram.
3. Grounding – Ensure proper grounding to minimize electrical noise interference.
4. Configuration – Set the input range and scaling via DIP switches or software.
5. Testing – Verify signal accuracy using a calibrated source before full operation.
6. Maintenance – Periodically check connections and clean dust/debris.

FAQ (Frequently Asked Questions)

Q1: What is the maximum input voltage supported by the AAI835-H00?
A1: The module supports up to ±10V DC, depending on the configured range.

Q2: Can the AAI835-H00 be used in hazardous areas?
A2: Yes, when installed with appropriate safety barriers or in an Ex-rated enclosure.

Q3: How do I change the input range settings?
A3: Adjust the DIP switches on the module or configure via compatible software.

Q4: What is the typical lifespan of this module?
A4: With proper usage, the module can operate reliably for over 10 years.

Q5: Is the AAI835-H00 compatible with non-Yokogawa systems?
A5: Yes, it can interface with standard PLCs/DCS using universal signal standards.

Q6: What should I do if the module fails to read signals correctly?
A6: Check wiring, power supply, and grounding first. If issues persist, contact Yokogawa support.