The detailed specifications for the Analog Input with HART:
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Input Type: Current (2, 3, or 4 wire devices)
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Input Channels: Up to 32 per module (with or without open wire detect)
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A/D Converter Resolution: 16 bit
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Input Range: 0-20 mA or 4-20 mA
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Normal Mode Rejection Ratio (at 60 Hz): 12 dB
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Normal Mode Filter Response: Single pole, -3 dB @ 16 Hz
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Crosstalk (channel-to-channel): 60 dB (dc to 60 Hz)
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Input Impedance: 250 Ω nominal
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Maximum Input Voltage: +36 VDC to -1.1 VDC
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Input Scan Rate: 50 ms
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Hardware Accuracy: 0.1% of full-scale (23.5 ± 2°C), 0.17% of full-scale (-40 to +70°C)
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Transmitter Field Power Conditioning: Current limited to 24 mA
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Input Filter: First-order low-pass 16 Hz (Channels 15, 16, 17, 18)
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Frequency Range: 0-10 kHz
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Minimum Pulse Width: 50 µs
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Output Type: 4-20 mA current loop
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Output Channels: Up to 32 per module (with or without open wire detect)
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Output Ripple: < 125 mV peak-to-peak at power line frequency, across 250 Ω load
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Output Temperature Drift: 0.001% of Full Scale/°C
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Output Readback Accuracy: 0.25% of full scale
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Output Current Linearity: ± 0.05% of Full Scale nominal
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Resolution: 12 bit
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Calibrated Accuracy: < 0.5% of Full Scale (25°C) including linearity
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Directly Settable Output Current Range: 0 mA to 23 mA
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Maximum Resistive Load: 700 ohms (24 V supply = 22 VDC through 28 VDC)
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Maximum Output Compliant Voltage: 14 VDC (24 V supply = 22 VDC through 28 VDC)
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Maximum Open Circuit Voltage: 24 VDC
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Response Time: 2 ms (DAC input code to output)
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