Model Specifications: ASI133
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Number of Input Channels: 8, isolated.
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Input Signal: 4 to 20 mA.
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Allowable Input Current: 22.5 mA.
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Withstanding Voltage: 1500 V AC.
Electrical Characteristics
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Input Resistance:
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Power ON:
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2-wire: 400 Ω (I=20 mA) to 750 Ω (I=4 mA).
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4-wire: 485 Ω (I=20 mA) to 925 Ω (I=4 mA).
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Power OFF: 1 MΩ or larger.
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Accuracy: ±16 µA.
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Step Response Time: 100 ms.
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Data Update Period: 10 ms.
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Transmitter Power Supply: 16 V DC or higher (output current limit: 20 mA).
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Maximum Normal Mode Input Voltage Applied to the Terminals by 4-Wire Transmitter: 25 V.
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Drift Due to Ambient Temperature Change: ±16 µA/10 °C.
Current Consumption
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5 V DC: 150 mA.
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24 V DC: 450 mA.
Physical Characteristics
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Weight: Approx. 0.30 kg.
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External Connection: Pressure clamp terminal (ATSA3).
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HART Communication: Available.
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Interface Type: Isolated interface (Barrier type).
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