The AAI141‑H00 is a compact analog input module from Yokogawa, designed for distributed control systems (DCS). It provides 8 isolated input channels for 4–20 mA signals and supports digital communication via HART protocol, enabling advanced diagnostics and transmitter integration.
Technical Specifications
Manufacturer: Yokogawa
Product Number:AAI141‑H00
Product Type: Analog Input Module
Model: AAI141 – Analog Input Module (4–20 mA, 8‑channel, isolated)
Channels: 8 isolated analog inputs
Signal Type: 4–20 mA
Isolation: Channel‑to‑system isolation for safety and noise immunity
Communication: HART protocol support for digital communication and diagnostics
Suffix Codes:
H – With digital communication (HART protocol)
0 – Basic type
Accuracy: ±16 µA
Data Update Period: 10 ms
Transmitter Power Supply: Supports 2‑wire and 4‑wire transmitters
Temperature Drift: ±16 µA per 10 °C
Current Consumption: ~230 mA (5 V DC), ~540 mA (24 V DC)
Weight: ~0.3 kg (module only)
Shipping Weight: ~1.5–2 kg
Key Features
8 isolated analog input channels for precise monitoring.
HART protocol support for advanced diagnostics and transmitter communication.
Compact design for smaller DCS configurations.
Reliable performance in harsh industrial environments.
Application Scenarios
Distributed Control Systems (DCS) in oil & gas, petrochemical, and power generation.
Process automation requiring analog signal monitoring with HART diagnostics.
Safety instrumented systems needing robust analog input capability.
FAQ
Q: How many input channels does the AAI141‑H00 provide? A: 8 isolated analog input channels.
Q: What is the difference between AAI141‑H00 and AAI143‑H50? A: The AAI141‑H00 has 8 channels with HART support, while the AAI143‑H50 has 16 channels with HART support but no explosion protection.
Q: Is the module suitable for Yokogawa DCS racks? A: Yes, it integrates seamlessly with Yokogawa control systems.
