Product Introduction

The Yokogawa AAR181-S00 S2 is a high-performance analog input module designed for precision industrial control and process automation systems. As part of Yokogawa’s renowned CENTUM VP Distributed Control System (DCS), this module provides accurate and reliable analog signal processing, ensuring stable and scalable integration into complex control architectures. Engineered for demanding environments, the AAR181-S00 S2 meets stringent quality standards, offering durability, high-speed conversion, and noise immunity.

This module is ideal for gathering data from a wide range of sensors and instruments, enabling real-time monitoring and control of process variables such as temperature, pressure, and flow rate. It supports multiple input signal types and ensures signal isolation and high-resolution analog-to-digital conversion. With built-in diagnostics and compatibility with Yokogawa’s integrated system architecture, the AAR181-S00 S2 exemplifies reliability and industrial-grade design.

Product Advantages

• High Accuracy & Resolution: Offers 16-bit resolution ensuring high precision in analog signal acquisition.

• Multi-signal Compatibility: Supports a variety of analog input signals including mA, V, and thermocouple types.

• Noise Immunity: Equipped with advanced filtering and signal conditioning to minimize electrical noise interference.

• Hot-swappable Design: Allows for online maintenance without system shutdown, enhancing uptime and serviceability.

• Self-diagnostics & Health Monitoring: Provides real-time status updates for proactive maintenance.

• Compact Modular Form Factor: Saves space in control cabinets, facilitating efficient system layout and expansion.

• Robust Build Quality: Designed to operate under harsh industrial conditions including temperature, humidity, and vibration.

• Yokogawa DCS Integration: Seamless communication with CENTUM VP and other Yokogawa control systems.

Technical Specifications

Applications

• Oil & Gas: Measurement and control of process variables in refineries and offshore platforms.

• Power Generation: Analog signal interfacing in turbine control and monitoring systems.

• Pharmaceuticals: Precise temperature and pressure control in batch processing environments.

• Chemical Processing: Monitoring of liquid levels, flow, and chemical reactions.

• Water & Wastewater Treatment: Measurement of pH, turbidity, and other critical variables.

• Food & Beverage: Control of temperature and process timing for consistency and quality.

Compatible Yokogawa Models

The AAR181-S00 S2 is typically used alongside the following Yokogawa system components:

• CPU Modules: AFV10D, AFV30D

• Power Supply Units: PW482, PW401

• Base Units: AB421, AB451

• Analog Output Modules: AAR145-S00

• Digital Input Modules: ADV151-P00

• Digital Output Modules: ADV161-P00

These models ensure seamless integration and consistent data exchange within a unified control network.

Installation Instructions

1. Preparation:

   • Power off the system before installation.

   • Ensure compatibility with the base unit and system configuration.

2. Mounting:

   • Secure the AAR181-S00 S2 on a DIN rail or designated panel using mounting screws.

   • Maintain adequate spacing for ventilation.

3. Wiring:

   • Connect analog input field wires to the terminal block.

   • Follow the Yokogawa wiring diagram to ensure correct signal polarity and shield grounding.

4. Configuration:

   • Use the Yokogawa configuration tool (e.g., PRM or SCS) to define signal type, range, and scaling.

   • Assign channel numbers and address tags as per system logic.

5. System Integration:

   • Register the module in the CENTUM VP system.

   • Conduct a module recognition test to confirm communication.

6. Power-On and Testing:

   • Power on the system and verify input values.

   • Perform a calibration check if required.

6 Related Yokogawa Models

8 Popular Yokogawa Models

FAQs (Q&A)

Q1: What type of signals can the Yokogawa AAR181-S00 S2 process?
A1: The AAR181-S00 S2 can handle various analog signal types including 4–20 mA, 1–5 V, 0–10 V, and thermocouple signals such as K, J, and T types.

Q2: Can the AAR181-S00 S2 be replaced while the system is running?
A2: Yes, it supports hot-swapping, allowing maintenance or replacement without shutting down the system.

Q3: How is isolation achieved in the AAR181-S00 S2?
A3: The module provides 1500 V AC isolation between field input and system circuitry to prevent signal interference and ensure operator safety.

Q4: Is the AAR181-S00 S2 compatible with older Yokogawa DCS platforms?
A4: It is primarily designed for use with CENTUM VP but may be compatible with earlier systems depending on I/O backplane and firmware.

Q5: What is the lifespan or MTBF of this module?
A5: The module is designed for industrial-grade longevity, with an MTBF typically exceeding 200,000 hours under standard conditions.

Q6: Does Yokogawa provide software tools for module configuration?
A6: Yes, Yokogawa provides tools like PRM (Plant Resource Manager) and SCS (System Configurator Suite) for module configuration, diagnostics, and integration.