Yokogawa AAI841-S00 S2 Analog Input Output Module

Product Description

The AAI841‑S00‑S2 is a flexible analog input/output module from Yokogawa, designed for distributed control systems (DCS). It provides isolated channels that can be configured for both analog input and output, supporting 4–20 mA signals. This dual‑function design makes it ideal for applications requiring both monitoring and control in a single module.

Technical Specifications

• Manufacturer: Yokogawa

• Product Number: AAI841‑S00‑S2

• Product Type: Analog Input/Output Module

• Model: AAI841 – Analog I/O Module (4–20 mA, isolated)

• Channels: 16 configurable analog input/output channels

• Signal Type: 4–20 mA

• Isolation: Channel‑to‑system isolation for safety and noise immunity

• Suffix Codes:

  • S00 – Standard type, basic configuration

  • S2 – Variant supporting redundancy/system compatibility

• Accuracy: High precision for both input and output signals

• Data Update Period: ~10 ms

• Weight: ~0.3 kg 

Key Features

• Dual functionality: supports both analog input and output.

• 16 isolated channels for flexible integration.

• Standard type with redundancy compatibility (S2 suffix).

• Compact design for easy installation in Yokogawa racks.

• Reliable performance in harsh industrial environments.

Application Scenarios

• Distributed Control Systems (DCS) in oil & gas, petrochemical, and power generation.

• Process automation requiring both analog monitoring and control.

• Safety instrumented systems needing robust analog I/O capability.

FAQ

Q: How many channels does the AAI841‑S00‑S2 provide? A: 16 isolated channels, configurable for input or output.

Q: What signals are supported? A: Standard 4–20 mA analog signals.

Q: Is the module suitable for redundant configurations? A: Yes, the S2 suffix indicates redundancy compatibility.