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AAI543-S50

The Yokogawa AAI543-S50 is a 16-channel isolated analog input module designed for process automation systems. It is suitable for receiving 4–20 mA DC signals from field transmitters and provides high-density input capability, channel-to-channel isolation, and accurate signal acquisition.

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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 (with internal resistor)

Withstanding Voltage: 1500 V AC (field to system)

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