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AAI543-H53/K4A00

The YokogawaAAI543-H53/K4A00 is a 16-channel isolated analog input module designed for use in process automation and control systems. It is suitable for receiving 4–20 mA DC signals from field transmitters and provides high accuracy, channel-to-channel isolation, and reliable 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 (typical with internal resistor)

Withstanding Voltage: 1500 V AC (field to system)

Accuracy: ±0.1% of span (typical)

Resolution: 12–16 bits (depending on configuration)

Step Response Time: ≤ 100 ms

Data Update Period: ≤ 50 ms

Temperature Drift: Within ±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 provided

Weight: Approx. 0.35 kg

Terminal Connection: Pressure-clamp type terminal block

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

Humidity: 5% to 95% RH (non-condensing)

Mounting: Installed in I/O rack