1756-IF8H

Allen Bradley - Input Module | ControlLogix

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Description: Input Module | ControlLogix
Resolution: 16...21 bits
Product Type: Voltage/Current Analog Input Module with HART Protocol
Product Series: 1756 ControlLogix I/O Modules
Inputs: Eight Differential Voltage or Current Inputs, One HART Modem per Module
Backplane Volatage: 5.1V DC, 300 mA, 24V DC, 135 mA
Input voltage range: -10...+10V
Input current range: 0...20 mA, 4...20mA
Total backplane power: 4.77 W
Power dissipation: Voltage: 3.21 W | Current: 4.01 W
Thermal dissipation: Voltage: 11.0 BTU/hr | Current: 13.7 BTU/hr

Open circuit detection time: Positive full scale reading within 5 s
Overvoltage protection, max: Voltage: 30V DC | Current: 8V DC
Normal mode noise rejection: > 80 dB @ 50/60 Hz
Common mode noise rejection: > 100 dB @ 50/60 Hz
Calibrated accuracy: Voltage: Better than 0.05% of range | Current: Better than 0.15% of range
Calibration interval: 12 months
Module error: Voltage: 0.1% of range | Current: 0.3% of range
Input conversion method: Successive approximation
Output conversion method: R-Ladder DAC, monotonicity with no missing codes
Isolation voltage: 50V (continuous), Basic insulation type, input channels to backplane No isolation between individual input channels

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