Yokogawa AAT145 Analog Transmitter / Signal Conditioning Module

Applications

• Process Control Loops – Converts sensor signals into conditioned analog outputs for PID and regulatory loops.

• Temperature & Pressure Monitoring – Interfaces with thermocouples and RTDs for reliable thermal and pressure data.

• Industrial Automation Systems – Supplies clean and scaled signals to PLCs, DCS, and SCADA platforms.

• Energy & Utility Management – Supports measurement and actuation needs in power plants and distributed systems.

• Manufacturing & Equipment Monitoring – Facilitates real‑time condition monitoring of machinery and process assets.

Advantages

• Versatile Sensor Compatibility – Supports a wide range of input types, reducing the need for multiple transmitter types.

• High Precision & Repeatability – Provides nearly 16‑bit equivalent resolution with ±0.1% accuracy for dependable data.

• Enhanced Noise Immunity – Galvanic isolation protects critical signals from electrical interference.

• Responsive Performance – Typical response time under 100 ms supports dynamic control environments.

• Installation Flexibility – Designed for both DIN rail and panel mounting to fit varied control cabinet layouts.

• Industrial‑Grade Reliability – Built to operate consistently across wide temperature ranges with durable construction.

Technical FAQs

1. What signal types can the AAT145 accept?
   It supports RTD, thermocouple, millivolt, voltage, and current inputs.

2. What output formats are available?
   Standard analog outputs include 4–20 mA and 0–10 V DC.

3. Is there electrical isolation between the I/O and system logic?
   Yes — galvanic isolation enhances noise rejection and signal integrity.

4. What is the typical output accuracy?
   The module delivers ±0.1% full‑scale output accuracy.

5. What is the response time of the AAT145?
   Response is typically ≤100 ms, suitable for real‑time control systems.

6. Can the AAT145 be installed in various ways?
   Yes — it supports both DIN rail and panel mounting options.

7. What is the operating temperature range for the AAT145?
   It operates reliably from −20 °C to +60 °C in industrial settings.

8. Which industries use the AAT145?
   It is commonly used across process manufacturing, energy systems, HVAC, and automated facilities.

9. Why is signal conditioning important in control systems?
   Conditioning stabilizes raw sensor signals, ensuring accurate and noise‑free data for controllers.

10. What makes the AAT145 suitable for legacy and modern systems?
    Its wide input compatibility, configurable mapping, and industrial design make it easy to integrate in both older and contemporary control architectures.