Description
The 1794-IR8 is an RTD Input Module from Allen-Bradley, designed for use in industrial automation systems. It features 8 input channels, providing precise temperature measurements and offering a wide range of configurations.
Specifications
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Product Type: RTD Input Module
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Number of Inputs: 8 channels
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Module Location: Compatible with Terminal Base Units:
- Cat. No. 1794-TB2, -TB3, -TB3S, -TB3T, and -TB3TS
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Nominal Input Ranges: 1 to 433 ohms
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RTD Excitation Current: 718.36 µA
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Resolution: 16 bits across 435 ohms
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Accuracy:
- Without calibration, at low humidity
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Normal mode: 0.05% full scale (max)
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Enhanced mode: 0.01% full scale (typical)
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Isolation Voltage: Tested at 850V dc for 1 second from inputs and user power to the logic side
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Data Format: 16-bit 2’s complement or offset binary (unipolar)
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Channel Bandwidth: 0-2.62 Hz (-3db)
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Indicators: 1 red/green power status indicator
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Flexbus Current: 20 mA
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Power Dissipation: 3.0 W maximum @ 31.2V dc
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Thermal Dissipation: 10.2 BTU/hr @ 31.2V dc
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Weight: 1 kg
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Shipping Weight: 2 kg
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