AAI135-S50 | Yokogawa | Analog Input Modules

Product Overview

The Yokogawa AAI135-S50 functions as a high-performance analog input interface for the CENTUM VP control system. It converts 4 to 20 mA field signals into precise digital data while maintaining individual channel isolation to eliminate ground loops. We provide this module as 100% Brand New and Original factory-sealed stock.

Part Number Breakdown

• AAI135: Analog Input Module for 4 to 20 mA signals.

• -S: Standard hardware configuration.

• 5: Non-explosion protection specification.

• 0: Basic functional type.

Technical Specifications

• Channel Count: 8-channel isolated inputs.

• Signal Range: 4 to 20 mA DC.

• Current Draw: 360 mA at 5 V DC and 450 mA at 24 V DC.

• Interface: Supports pressure clamp, MIL connector, or KS1 cables.

• Form Factor: 10.7 cm x 13 cm x 3.3 cm; 0.3 kg net weight.

Engineering Advantages

This module optimizes signal reliability by isolating every channel, which prevents field-side electrical noise from corrupting system data. The compact design fits high-density I/O requirements, while the support for KS1 dedicated cables slashes wiring time during cabinet assembly. It handles extreme industrial interference effectively, ensuring stable process monitoring in heavy-duty environments.

FAQs

• Is this module compatible with HART signals? The AAI135-S50 processes standard 4-20 mA analog signals. For HART digital communication, you require the AAI135-H model.

• What is the benefit of the -S50 suffix? The -S50 designation indicates a standard, non-explosion-proof basic module, making it a cost-effective choice for general-purpose safe zone installations.

• How does it handle power fluctuations? The module operates on dual DC rails (5V/24V) and includes internal regulation to maintain signal accuracy despite minor voltage variations in the backplane.