AAI141-H00 | Yokogawa 16-Point Analog Input Module

Product Description

The AAI141-H00 analog input module from Yokogawa is designed to provide accurate and stable signal acquisition for distributed control systems. Supporting HART communication, this module offers 16 non-isolated channels for 4–20 mA DC input signals, making it suitable for monitoring transmitters, sensors, and other field devices. Its compact design, fast response, and robust electrical specifications ensure reliable operation in industrial environments.

Technical Specifications

• Model Number: AAI141-H00

• Type: 16-Point Analog Input Module

• Channels: 16 non-isolated input channels

• Signal Range: 4–20 mA DC

• Input Current/Voltage: 27 mA, ±7.5 V, ±13 V

• Accuracy: ±16 µA

• Input Resistance (Power ON): 400 Ω at 20 mA, 1000 Ω at 4 mA

• Input Resistance (Power OFF): ≥500 kΩ

• Data Update Period: 10 ms

• Step Response Time: 100 ms

• Temperature Drift: ±16 µA per 10°C change

• Transmitter Supply Voltage: ≥14.8 V at 20 mA

• Current Consumption: 310 mA (5 V DC), 450 mA (24 V DC)

• External Connections: Pressure clamp terminal, KS cable, MIL connector cable

• Weight: 0.2 kg

• Communication Protocol: HART-enabled

Key Features

• Multi-Channel Input: 16 channels for efficient signal acquisition

• HART Support: Enables digital communication over analog signals

• Fast Response: 10 ms update cycle with 100 ms step response

• Compact and Lightweight: Easy integration into control cabinets

• Stable Accuracy: Maintains precision across varying temperatures

Application Scenarios

• Process monitoring in chemical and petrochemical plants

• Power generation and turbine instrumentation

• Water treatment and distribution systems

• General industrial automation requiring multi-channel analog input

FAQ

Q: How many channels does the AAI141-H00 provide?  A: It supports 16 non-isolated analog input channels.

Q: Does this module support HART communication?  A: Yes, it is HART-enabled for digital communication over analog signals.

Q: What is the typical accuracy of the input signals?  A: The accuracy is ±16 µA, ensuring precise measurement.

Comparison with Similar Models

• AAI141-S00: Standard analog input module without HART support

• AAI141-H00: Enhanced version with HART-enabled communication