AAI141-H00/K4A00 Yokogawa Analog Input Module

Description

The AAI141-H00/K4A00 is a 16-channel non-isolated analog input module by Yokogawa, supporting 4–20 mA signals. It offers high precision and is optimized for integration with digital communication via HART protocol.

Input Specifications

• Channels: 16 (non-isolated)

• Input Signal: 4–20 mA

• Allowable Input Current: 27 mA

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

• Input Resistance (Power OFF): ≥ 500 kΩ

Performance

• Accuracy: ±16 µA

• Data Update Period: 10 ms

• Step Response Time: 100 ms

• Temperature Drift: ±16 µA / 10 °C

Power & Configuration

• Transmitter Power Supply:

• ≥14.8 V (at 20 mA)

• ≤26.4 V (at 0 mA)

• Output current limit: 27 mA

• 2-Wire / 4-Wire Setting: Selectable per channel

• Max Current Consumption:

• 310 mA @ 5 V DC

• 450 mA @ 24 V DC