Yokogawa AAI841-H50/A4S00 Module | 8 Input & Output Channels

Product Description

Overview

The Yokogawa AAI841-H50/A4S00 is a versatile Analog I/O Module designed for CENTUM VP Field I/O (FIO) systems. Supporting 8 input and 8 output channels, it handles 4–20 mA signals for both input and output loops and is compatible with dual-redundant configurations. HART communication capability ensures integration with smart transmitters, providing diagnostics and configuration features for mission-critical process control applications.

Technical Specifications

Electrical & Signal

• Channels: 8 input / 8 output (non-isolated)

• Input Signal: 4–20 mA DC

• Output Signal: 4–20 mA DC

• Allowable Input Current/Voltage: 25 mA

• Input Resistance: Power ON: 400 Ω (20 mA) – 1000 Ω (4 mA); Power OFF: ≥500 kΩ

• Allowable Load Resistance: 0–750 Ω

• Accuracy: Input ±16 µA, Output ±48 µA

• Data Update Period: 10 ms

• Input Step Response Time: 100 ms

• Output Step Response Time: 40 ms

• Transmitter Power Supply: 14.8–26.4 V DC per channel

• 2-Wire/4-Wire Transmitter Support: Configurable per channel

Communication

• HART Communication: Supported for device diagnostics and configuration

• Interface: Pressure clamp terminal, KS cable, or MIL connector cable

Mechanical

• Form Factor: Plug-in module for FIO base units

• Dimensions: 120 × 25 × 130 mm

• Weight: 0.3 kg

• Mounting: Compatible with ANB10D/ANB10S, ANT502, or ANR10D bus node units

Environmental

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: -20 °C to +70 °C

• Humidity: 10%–90% RH, non-condensing

• Vibration Resistance: Compliant with IEC industrial standards