The Yokogawa AAI141-S50/A4S00 Analog Input Module is a precision module engineered to provide accurate analog signal conversion within Yokogawa’s CENTUM VP and ProSafe-RS control systems. Designed to capture a variety of analog input signals, this module delivers reliable data essential for efficient process monitoring and control in industrial applications. With advanced diagnostics and hot-swappable capability, it supports seamless operation and maintenance in demanding environments.

Key Features

• Supports multiple analog input types including current and voltage signals

• High-resolution 16-bit analog-to-digital conversion for accurate measurement

• Channel-to-channel and system isolation to reduce noise interference

• Integrated fault detection and diagnostic functions

• Hot-swappable design enabling replacement without system shutdown

• Compatible with Yokogawa CENTUM VP and ProSafe-RS systems

• Robust design for harsh industrial environments

Technical Specifications

Industry Applications

• Process Automation in Oil & Gas and Petrochemical Industries

• Power Generation and Utility Controls

• Chemical Processing Plants

• Water and Wastewater Treatment Facilities

• Pharmaceutical Manufacturing

• Safety Instrumented Systems (SIS)

Product Advantages

• High Accuracy: Delivers precise analog-to-digital conversion for critical processes.

• Robust Construction: Built to withstand tough industrial conditions.

• Advanced Diagnostics: Enables predictive maintenance and fault identification.

• Versatile Input Support: Accepts multiple standard analog signals for flexible use.

• Easy Maintenance: Hot-swappable for minimal operational disruption.

Frequently Asked Questions (FAQ)

1. What analog signals are supported?

Supports 4–20 mA, 1–5 VDC, and ±10 VDC.

2. How many channels does the module have?

8 input channels.

3. Is it hot-swappable?

Yes, it can be replaced without shutting down the system.

4. What is the accuracy?

±0.1% of full scale.

5. What is the operating temperature range?

0°C to +55°C.

6. Does it provide signal isolation?

Yes, channel-to-channel and system isolation are provided.

7. Can it be used in safety instrumented systems?

Yes, compatible with ProSafe-RS SIS.

8. What are the dimensions?

138 mm x 41 mm x 168 mm.

9. Is it compatible with CENTUM VP systems?

Yes, designed for CENTUM VP and related systems.

10. What diagnostic features are included?

Fault detection and status monitoring.