AAI143-S53

Overview

AAI143-S53 is an analog input module by Yokogawa, offering 16 isolated input channels, designed to process 4 to 20 mA signals with high accuracy and reliability in industrial applications.

Suffix Codes

• -S: Standard type

• 5: With no explosion protection

• 3: With ISA Standard G3 option and temperature (-20 to 70 °C) option

Input Characteristics

• Number of Input Channels: 16, isolated

• Input Signal: 4 to 20 mA

• Allowable Input Current: 24 mA

• Withstanding Voltage:

• Between input and system: 1500 V AC, for 1 minute (*4)

• Input Resistance:

• Power ON: 270 Ω (20 mA) to 350 Ω (4 mA) (*2)

• Power OFF: 500 kΩ or larger

• Accuracy: ±16 µA

Performance

• Data Update Period: 10 ms

• Transmitter Power Supply:

• 19.0 V or higher (at 20 mA)

• 25.5 V or less (at 0 mA)

• Output current limit: 25 mA (*5)

• Setting of 2-wire or 4-wire transmitter: For each channel by setting pin

• Drift Due to Ambient Temperature Change: ±16 µA/10 ˚C

Power Requirements

• Maximum Current Consumption:

• 230 mA (5 V DC)

• 540 mA (24 V DC)

Physical Characteristics

• Weight: 0.3 kg

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