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AAI143-S53

Yokogawa AAI143-S53 is an analog input module designed for the CENTUM and ProSafe control systems. It is used to receive multiple analog signals from field instruments and convert them into digital values for processing within the DCS. The module provides high accuracy, stability, and isolation, ensuring reliable data acquisition in industrial automation environments.

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Model: AAI143-S53

Type: Analog Input Module

Channels: 16 channels per module

Input Signal: DC current input (e.g., 4–20 mA standard)

Resolution: 16-bit A/D conversion

Accuracy: High accuracy within ±0.1% of span (typical)

Isolation: Channel-to-system and channel-to-power isolation

Response Time: Fast scanning cycle for process monitoring

Power Supply: 24 V DC (supplied from I/O rack)

Mounting: Installed in Yokogawa I/O node base (for FCS/DCS)

Application: Acquisition of process variables such as pressure, temperature, flow, and level signals from field transmitters.