Yokogawa AAI841-H50/A4S00 Analog I/O Modules

The Yokogawa AAI841-H50/A4S00 Analog I/O Module is engineered for high precision and reliability within Yokogawa’s CENTUM VP Distributed Control System (DCS). Designed to handle both analog input and output signals, this module supports various input types, including current, voltage, and thermocouples, making it versatile for diverse industrial control environments. It integrates advanced diagnostics and hot-swappable capability, ensuring minimal downtime and robust system performance.

Key Features

• Combines analog input and output functions in a single compact module

• Supports 8 analog input channels and 8 analog output channels

• Accepts input signals of 4–20 mA, 1–5 V, and thermocouples

• Outputs 4–20 mA DC current signals with high accuracy

• High-resolution 16-bit analog-to-digital conversion for inputs

• 12-bit digital-to-analog conversion for outputs

• Advanced diagnostics for monitoring input/output status and module health

• Hot-swappable design allows for easy maintenance without system shutdown

• Compatible with Yokogawa CENTUM VP Distributed Control System

Technical Specifications

Industry Applications

• Chemical and Petrochemical Processing

• Power Generation and Utilities

• Oil and Gas Industry

• Pharmaceutical Manufacturing

• Food and Beverage Processing

• Water and Wastewater Treatment

• Pulp and Paper Industry

• Metals and Mining Automation

Product Advantages

• Combines input and output channels to reduce hardware complexity

• High precision and accuracy with 16-bit and 12-bit converters

• Advanced diagnostics improve system reliability and maintenance

• Hot-swappable to minimize downtime during servicing

• Compact design saves rack space and eases installation

• Seamless integration with Yokogawa CENTUM VP systems

• Durable performance in harsh industrial environments

Frequently Asked Questions (FAQ)

1. How many input and output channels does the AAI841-H50/A4S00 have?

It features 8 analog input and 8 analog output channels.

2. What input signals are supported?

Supports 4–20 mA, 1–5 V, and thermocouple signals.

3. What is the output signal range?

4–20 mA DC current output.

4. Is the module hot-swappable?

Yes, hot-swapping is supported.

5. What resolutions are provided for input and output?

16-bit for inputs and 12-bit for outputs.

6. What diagnostics are included?

Input/output status, fault detection, and module health monitoring.

7. What are the module’s dimensions?

107.5mm × 32.8mm × 130 mm.

8. What is the operating temperature range?

0°C to +60°C.

9. What certifications does the module hold?

CE, UL, CSA, and RoHS certified.

10. How can the module be mounted?

Supports DIN rail or I/O baseplate mounting.