The Allen Bradley 1756-IF16IH is a ControlLogix Current Analog Input Module series with the HART Protocol that works in a 225 mA at 5.1V DC and 200 mA at 24V DC voltage and current ratings. The Input current ranges from 0-20 mA or 4-20 mA.

This Current Analog Input Module has 16 inputs and 16 – 21 bits of resolution. With power dissipation of 5.30 W, the 1756-IF16IH works with an inrush current of 400 mA at 5.1V DC and 450 mA at 24V DC. Moreover, it has a continuous isolation voltage of 250V, an input impedance of 250 ï—ï€ (±5 ), and an open circuit detection time of 5 s applicable for 4-20 mA range alone.

The 1756-IF16IH utilizes an input overvoltage protection of 28.8V DC and has a common mode noise rejection of > 90 dB at 50-60 Hz. In addition, this module has an input offset drift with temperature of 300 A/°C and a gain drift with temperature of 20 ppm/°C. With an input conversion method of Sigma-Delta ADC (24-bit converter), the 1756-IF16IH has an output conversion method Sigma-Delta ADC (24-bit converter). Thus, the typical calibration interval of this module is 12 months. The 1756-IF16IH works in a the 1756-TBCH or the 1756-TBS6H type of removable terminal block and an open-style enclosure. The 1756-IF16IH works in an integer mode IEEE 32-bit floating point type of Data format and has a 0.15% – 1.5% of the full-scale calibrated accuracy at 25 °C (with HART disabled).

 

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Specification Sheet .pdf

 

Manufacturer Rockwell Automation
Brand Allen Bradley
Part Number/Catalog No. 1756-IF16IH
Series ControlLogix
Module Type HART Interface Module
Inputs 16
Input Current Range 0-20 Miliamperes, 4-20 Miliamperes
Backplane Current 225 Miliamperes at 5.1 Volts DC, 200 Miliamperes at 24 Volts DC
Inrush Current 400 Miliamperes at 5.1 Volts DC, 450 Miliamperes at 24 Volts DC
Power Dissipation 5.30 Watts
Isolation Voltage 250 Volts Continuous
Input Overvoltage Protection 28.8 Volts DC
Input Impedance 250 Ohms (+/- 5 Ohms)
Resolution 16-21 bits
Slot Width 1
Enclosure Type None (Open-Style)
Operating Temperature 32-140 F (0-60 C)

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