The Yokogawa AAI141-H50K4A00 is a high-performance analog input module tailored for industrial process data acquisition. It reliably receives and converts analog signals (e.g., from sensors/transmitters) into digital data, enabling seamless integration with Yokogawa DCS for real-time monitoring.

Boasting robust design, it maintains stable performance in harsh industrial environments, with high accuracy and low temperature drift ensuring consistent data quality. Its compact structure saves cabinet space, while user-friendly installation and maintenance minimize operational downtime.

Ideal for oil, gas, and manufacturing sectors, it enhances process control efficiency by delivering trustworthy data for critical operational decision-making.

Parameter

Specification

Input Signal

4–20 mA DC (current), 1–5 V DC (voltage)

Number of Channels

16 (non-isolated)

Accuracy

±16 μA (current), ±4 mV (voltage)

Data Update Period

10 ms

Hart Communication

Supported (R3.02+ firmware)

Transmitter Power Supply

14.8–26.4 V DC (27 mA max output)

Input Resistance (Power On)

400–1000 Ω (current), ≥1 MΩ (voltage)

Drift (Temperature)

±16 μA/10°C (current), ±4 mV/10°C (voltage)

Current Consumption

310 mA (5 V DC), 450 mA (24 V DC)

Explosion Protection

None (suffix code “5”)

Connection Options

Pressure clamp terminals, KS cable (ATK4A-00 adapter), MIL connectors

Advantages and Characteristics

1. High Precision & Reliability：±16 μA accuracy for current inputs, low temperature drift (±16 μA/10°C) for stable performance in fluctuating environments.

2. HART-Enabled Intelligence：Supports remote configuration, diagnostics and firmware updates via HART, cutting downtime and maintenance costs.

3. Flexible Connectivity：Works with pressure clamp terminals, KS cables and MIL connectors for easy integration into diverse industrial setups.

4. Dual Redundancy Support：Compatible with dual redundant configurations to boost system availability in critical applications.

5. Compact Design：Weighs 0.2 kg, saving space for dense control panel installations.