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AAI543-S50

The Yokogawa AAI543-S50 is a high-density analog input module with 16 isolated channels, designed for process automation systems. It is suitable for receiving 4–20 mA DC signals from field transmitters, offering high accuracy, fast update performance, and channel-to-channel isolation for reliable signal acquisition in demanding industrial environments.

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Technical Specifications

Module Type: Analog input module

Number of Channels: 16 isolated channels

Input Signal: 4–20 mA DC

Allowable Input Current: Up to 32 mA

Input Resistance: 250 Ω (internal resistor)

Withstanding Voltage: 1500 V AC (field to system isolation)

Accuracy: ±0.1% of span (typical)

Resolution: 12–16 bits (depending on system configuration)

Step Response Time: ≤100 ms

Data Update Period: ≤50 ms

Temperature Drift: ±0.05% of span per 10 °C

Current Consumption: Approx. 200 mA @ 5 V DC, 150 mA @ 24 V DC

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

Weight: Approx. 0.35 kg

Terminal Connection: Pressure-clamp terminal block

Operating Temperature: –20 °C to +60 °C

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

Mounting: Installed in I/O rack