Allen-Bradley 1756-IB16

Product identity

Product overview

The 1756-IB16 is a ControlLogix digital input module with 16 sinking inputs in two groups of eight. The source lists a 12/24 V DC signal category. This reference concerns the base IB16 designation; coated and extended-temperature variants must be identified separately.

Manufacturer

Allen-Bradley

Part number

1756-IB16

Product type

Allen-Bradley 1756-IB16 — 16-channel DC sinking input module

Series

ControlLogix 1756 I/O

Category

PLC and I/O modules

Technical reference

Channel configuration

16 (8 points/group)

Signal voltage category

12/24V DC sink

Backplane current at 5.1 V

100 mA

Backplane current at 24 V

2 mA

Total backplane power

0.56 W

Chassis slot width

1 slot

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

Specify the exact IB16 suffix and series from the label. Include the sensor signal voltage, quantity and whether a removable terminal block is needed. Keep any K or XT designation from the original requirement rather than substituting a base model.

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.