The AAI143‑H50 is a high‑performance analog input module from Yokogawa, designed for distributed control systems (DCS). It provides 16 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:AAI143‑H50
Product Type: Analog Input Module
Channels: 16 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)
5 – With no explosion protection
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
Shipping Weight: ~2 kg
Key Features
16 isolated analog input channels for precise monitoring.
HART protocol support for advanced diagnostics and transmitter communication.
Compact design for easy installation in Yokogawa racks.
Reliable performance in harsh industrial environments.
No explosion protection (suffix code 5).
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 AAI143‑H50 provide? A: 16 isolated analog input channels.
Q: What is the difference between AAI143‑S00 and AAI143‑H50? A: The H50 version supports HART communication and has no explosion protection, while the S00 is standard without HART.
Q: Is the module suitable for redundant configurations? A: Yes, it integrates seamlessly into Yokogawa DCS racks.
