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Allen-Bradley 1756-IF16H analog input module

Allen-Bradley 1756-IF16H analog input module

  • Product Item : 1756-IF16H
  • Product Brand : Allen-Bradley
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The Allen-Bradley 1756-IF16H is an analog input module from the 1756 ControlLogix Programmable Logic Controller Automation (PAC). It supports integration of 0-20 mA or 4-20 mA input signal through hardwiring and Highway Addressable Remote Transducer (HART) communication protocol. This module provides Sixteen (16) differential current signals and One (1) HART modem per channel.

The 1756-IF16H has an integrated Analog to Digital Converter (ADC) using successive approximation method. Analog conversion resolution range is 16-21 bits, allowing more measuring points to be displayed. Converted signal is saved in Integer mode (left justified, 2 s complement) IEEE 32-bit floating point number.

Allen-Bradley recommends use of Single wire connection when terminating signals to the 1756-IF16H. Wire diameter is 0.33…2.1 mm2 (22…14 AWG) solid or stranded shielded copper wire with insulation rating of 105 °C (221 °F) or higher and maximum insulation thickness of 1.2 mm (3/64 in.). Compatible Removable Terminal Block (RTB) for use with the 1756-IF16H are 1756-TBCH and 1756-TBS6H.

Technical specifications for 1756-IF16H

ManufacturerRockwell Automation

Resolution16-21 Bits

Module TypeAnalog Input module with HART protocol

Part Number/Catalog No.1756-IF16H

BrandAllen-Bradley

Product Family:PanelView Plus / PanelView Plus CE Operator Terminals

No. of Inputs16 Differential input; Dedicated HART modem per channel

Analog signals0-20 mA and 4-20 mA

Conversion method:Successive approximation

Data Format:Integer mode (left justified, 2 s complement) IEEE 32-bit floating point

Module input scan time, min11…328 ms (filter dependent)

Module HART scan timeEstimate 1 s if all channels are HART enabled

Removable Terminal Block1756-TBCH; 1756-TBS6H

Backplane Current, 5.1VDC200 mA

Backplane Current, 24VDC125 mA

Total Backplane power4.02 W

SeriesControlLogix

Inputs16 Differential

Input Voltage Range0-20 or 4-20 milliamps

Overvoltage Protection8 Volts DC

Isolation Voltage50 Volts Continuous

EnclosureOpen

Removeable Terminal Blocks1756-TBCH, 1756-TBS6H


1756-IF16HK

Allen Bradley ControlLogix Hart Analog Input Module with 16 Differential Inputs

1756-IF16IH

HART Interface Module, 16 Inputs, 16-21 bits Resolution, 5.30 Watts, 250 Ohms (+/- 5 Ohms)

1756-IF16IHK

HART Interface Module, 16 Inputs, 16-21 bits Resolution, 5.30 Watts, 250 Ohms (+/- 5 Ohms), Conformal Coat