Overview

The AAI143-S53 is a 16-channel isolated analog input module designed for 4 to 20 mA signals. It offers high accuracy and is suitable for industrial applications with HART communication support.

MODEL AND SUFFIX CODES

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

• -S Standard type
• 5 With no explosion protection
• 3 With ISA Standard G3 option and temperature (-20 to 70 °C) option

Specifications

• Allowable Input Current: 24 mA
• Withstanding Voltage: 1500 V AC (for 1 minute)
• Input Resistance (Power ON): 270 Ω (20 mA) to 350 Ω (4 mA)
• Input Resistance (Power OFF): 500 kΩ or larger
• Accuracy: ±16 µA
• Transmitter Power Supply: 19.0 V to 25.5 V
• Data Update Period: 10 ms
• Maximum Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)
• Drift Due to Temperature Change: ±16 µA/10 ˚C

Features

• HART Communication: Available
• Transmitter Setting: 2-wire or 4-wire configurable per channel
• Weight: 0.3 kg
• External Communication: Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)