Allen-Bradley 1756-IF16H

Product identity

Product overview

The 1756-IF16H is a ControlLogix analog current-input module with 16 differential channels and a dedicated HART modem per channel. The source lists 0–20 mA and 4–20 mA ranges. Series A and B have different electrical values, making the series marking part of a precise request.

Manufacturer

Allen-Bradley

Part number

1756-IF16H

Product type

Allen-Bradley 1756-IF16H — 16-channel HART current input module

Series

ControlLogix 1756 I/O

Category

PLC and I/O modules

Technical reference

Input configuration

16 differential current inputs

HART arrangement

Dedicated modem per channel

Input ranges

0–20 mA; 4–20 mA

Resolution

16–21 bits

Input impedance

249 Ω

Catalog reference data reviewed 2026-09-08. Confirm the exact unit and application before ordering; these parameters do not establish interchangeability.

Before requesting this part

Send the catalog number and series A/B marking, signal range and HART requirements. Confirm the required terminal block and ask for relevant analog/HART test evidence. Backplane consumption and isolation values must be checked for the offered hardware series.

Browse plc and i/o modules or read our verification process.

Classification terminology includes information from ETIM International under ODC Attribution 1.0.

Sourcing capabilities

Conditions considered on request

These are sourcing capabilities, not claims of current stock. Exact condition and evidence are stated in the quotation.

From requirement to a usable quote

Send the full MPN, quantity, acceptable condition, delivery country and required date. We may ask for missing identity or application details before sourcing.

A proposed quote must identify the exact item, revision where relevant, condition, quantity, price and currency, estimated lead time, delivery terms, warranty provider and scope, and validity. Supply remains subject to verification.

Read about hard-to-find part sourcing, replacement review or a multi-part requirement.