AAI143-H50

Overview

The Yokogawa AAI143-H50 Analog Input Module is a 16-channel, isolated module that accepts 4 to 20 mA input signals, ideal for industrial applications requiring precise analog signal acquisition.

Input Specifications

• Number of Input Channels: 16, isolated

• Input Signal: 4 to 20 mA

• Allowable Input Current: 24 mA

• Input Resistance:

• Power ON: 270 Ω (20 mA) to 350 Ω (4 mA)

• Power OFF: 500 kΩ or larger

• Accuracy: ±16 µA

Electrical Performance

• Withstanding Voltage: 1500 V AC between input and system for 1 minute

• Data Update Period: 10 ms

Model Code Breakdown

• AAI143: Analog Input Module (4 to 20 mA, 16-channel, Isolated)

• H: With digital communication (HART protocol)

• 5: With no explosion protection

• 0: Basic type

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