Yokogawa AA143-H53 Analog Input Module Quality Selection

Overview

The Yokogawa AAI143-H53 is a 16-channel isolated analog input module designed for use in DCS/automation systems. It accepts standard transmitter signals (4–20 mA) and is suited for redundant configurations in industrial environments.

General Information

• Part Number: AAI143-H53

• Manufacturer: Yokogawa

• Model/Type: Analog Input Module (16 channel, isolated)

• Country of Origin: Japan

• Product Category: I/O Module – Analog Input

Electrical & Functional Specifications

• Number of Input Channels: 16 (isolated)

• Input Signal: 4 to 20 mA DC (can also support 1 to 5 V DC in some variants)

• Allowable Input Current: Up to ~24 mA

• Input Resistance (Power ON): ~270 Ω at 20 mA to ~350 Ω at 4 mA

• Input Resistance (Power OFF): ≥ 500 kΩ

• Accuracy: ±16 µA

• Data Update Period: ~10 ms

• Transmitter Power Supply (2-wire type): Minimum 19.0 V (at 20 mA), Maximum 25.5 V (at 0 mA) — output current limit ~25 mA

• Drift due to Ambient Temperature Change: ±16 µA per 10 °C

• Withstanding Voltage (input to system): ~1500 V AC for 1 minute

• Maximum Current Consumption: ~230 mA @ 5 V DC, ~540 mA @ 24 V DC

Environmental & Physical Specifications

• Operating Temperature Range: −20 °C to +70 °C (depending on option code)

• Weight: ~0.3 kg

• Mounting / Connection: Supports terminal blocks, MIL connector or adapter cable (depending on configuration)

• Dimensions : 107.5  × 94  × 32.8 mm
  

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