Yokogawa AAP849 Product Documentation

Product Introduction

The Yokogawa AAP849 is a high-performance analog input module designed for industrial automation and process control applications. It is part of Yokogawa’s extensive lineup of field instruments and control systems, known for their reliability, precision, and durability. The AAP849 module is widely used in industries such as oil & gas, chemical, power generation, and water treatment, where accurate signal acquisition is critical.

This module supports multiple analog input signals, including voltage and current, and is designed to integrate seamlessly with Yokogawa’s control systems. Its robust construction ensures stable operation even in harsh industrial environments.

Product Advantages

1. High Accuracy – Provides precise signal measurement with minimal error.

2. Wide Input Range – Supports various analog signals (e.g., 4-20 mA, 0-10 V).

3. Robust Design – Built to withstand industrial environments with high EMI resistance.

4. Easy Integration – Compatible with Yokogawa’s control systems for seamless installation.

5. Low Maintenance – Durable components reduce the need for frequent servicing.

6. Flexible Configuration – Allows customization for different industrial applications.

Technical Specifications

Applications

• Process Control Systems – Monitors and controls industrial processes.

• Power Plants – Ensures accurate measurement of critical parameters.

• Oil & Gas – Used in refineries and pipelines for signal acquisition.

• Water Treatment – Tracks flow rates, pressure, and chemical levels.

• Manufacturing – Integrates with automation systems for quality control.

Compatible Models

The AAP849 can be used alongside the following Yokogawa products:

• Yokogawa CENTUM VP (DCS System)

• Yokogawa STARDOM (Network-based Control System)

• Yokogawa FA-M3 (Programmable Controller)

• Yokogawa EJX Series (Pressure Transmitters)

• Yokogawa DPharp EJA Series (Differential Pressure Transmitters)

Installation Instructions

1. Mounting – Secure the module on a DIN rail or panel using provided screws.

2. Wiring – Connect input signals and power supply as per the terminal diagram.

3. Grounding – Ensure proper grounding to avoid electrical noise interference.

4. Configuration – Set input ranges and calibration via connected control system.

5. Testing – Verify signal accuracy before full operation.

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FAQ (Frequently Asked Questions)

Q1: What is the maximum sampling rate of the AAP849?
A1: The AAP849 supports a sampling rate of up to 100 samples per second.

Q2: Can the AAP849 be used in hazardous environments?
A2: The standard AAP849 has an IP20 rating and is not intrinsically safe. For hazardous areas, additional protective enclosures or certified models are required.

Q3: What is the operating temperature range?
A3: The module operates reliably between -20°C and +60°C.

Q4: Does the AAP849 require external signal conditioning?
A4: No, it has built-in signal conditioning for direct analog input connections.

Q5: Is calibration necessary before use?
A5: Factory calibration is provided, but field calibration may be required depending on application conditions.

Q6: Can the AAP849 communicate via HART protocol?
A6: No, the AAP849 is a standard analog input module without HART capability. For digital communication, consider the AAP854 model.