Yokogawa AAI143-S03/ATA4S-00 Analog Input Module

Overview

The Yokogawa AAI143-S03/ATA4S-00 is a high-performance analog input module for the CENTUM VP DCS. It acquires precise analog signals from transmitters and sensors in demanding industrial environments. This module supports 4–20 mA DC and 1–5 V DC inputs, offering versatile signal compatibility. It ensures reliable measurement with channel-to-channel and channel-to-system isolation. The compact design allows easy rack mounting in the Field Control Station system.

Technical Specifications

• Model Number: AAI143-S03/ATA4S-00

• Compatible Systems: CENTUM VP, ProSafe-RS

• Number of Channels: 16 isolated analog input channels

• Input Signal Range:

• Current: 4–20 mA DC

• Voltage: 1–5 V DC, -10 to +10 V DC (software selectable)

• Transmitter Support: Compatible with 2-wire and 4-wire transmitters

• Signal Isolation: Channel-to-channel and channel-to-earth

• Measurement Accuracy: ±0.1% of full scale

• Resolution: 16-bit

• Conversion Speed:

• 80 ms/channel (50 Hz supply)

• 70 ms/channel (60 Hz supply)

• Input Resistance: 250 Ω for current input

• Terminal Block: ATA4S-00 standard screw terminals

• Power Supply: 24 V DC

• Power Consumption: 3.5 W or less

• Data Update Period: 2 ms

• Operating Temperature Range: -20°C to +70°C (-4°F to 158°F)

• Humidity Range: 5% to 95% RH, non-condensing

• Mounting: Rack-mounted within FIO system

• Dimensions (L × W × H): Approx. 95 mm × 95 mm × 105 mm

• Weight: 0.3 kg