1756-IB16I Allen-Bradley ControlLogix Datasheet & Technical Manual

Allen-Bradley

1756-IB16I Allen-Bradley ControlLogix Digital Input Module

SKU: 1756-IB16I

In Stock

Dimensions: 23.3 x 18.2 x 5.3 cm
Country of origin: USA
Payment: T/T, Western Union
Shipping port: Xiamen

Categories : All Products, Allen-Bradley, Allen-Bradley ControlLogix & CompactLogix

Tags : Allen-Bradley ControlLogix, Digital I/O Modules, Digital Input Cards, Programmable Automation Controllers

1 years warranty

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The Allen-Bradley 1756-IB16I, also cataloged as the 1756-IB16I ControlLogix Input Module, operates as a dedicated hardware component for 16-point discrete signal evaluation and channel isolation within ControlLogix local chassis backplanes.

Architecture & Catalog Variant Mapping

1756: ControlLogix chassis-based programmable automation controller hardware platform family.
IB16I: 10 to 30 VDC discrete sink/source input circuit architecture featuring 16 individually isolated channels.
1756-IB16I/A: Revision designation identifying internal hardware series and backplane board layout assemblies.

Hardware Parameters & Operational Limits

Parameter	Specification
Model	1756-IB16I
Brand	Allen-Bradley
Origin	USA
Weight	0.3 kg
Shipping Dimensions	23.3 x 18.2 x 5.3 cm
Operating Temp	Not specified
Power Consumption	Not specified
Input Voltage Category	10 to 30 VDC
Inputs per Module	16 channels
Channel Isolation	Individually isolated
Removable Terminal Block	36 Pin
Tariff Code	8537101190
Shipping Origin	Xiamen, China

Network Communication & Architecture Integration

The digital card processes real-time field status tags and transfers input data across EtherNet/IP deterministic networks via the ControlLogix backplane interface. Channel grouping enables independent wiring circuits without cross-channel electrical noise coupling. Integrated backplane logic optimizes I/O density scaling while ensuring continuous board-level firmware flash compatibility during controller system updates.

Package Delivery Manifest

1 x Allen-Bradley 1756-IB16I ControlLogix Input Module

Physical Installation & Field Wiring Rules

Align module rear circuit board guides with selected 1756 chassis backplane slot.
Press module firmly until top and bottom chassis latches snap securely into position.
Wire discrete DC input signals using a compatible 36-pin removable terminal block assembly.
Maintain proper field cable shielding and ground terminal connections to avoid ground loop current paths.

Technical FAQ

What field voltage range is supported across the input channels?

The module accepts discrete input signal levels operating within 10 to 30 VDC ranges.
How are the 16 digital channels isolated internally?

Each individual channel features dedicated galvanic channel-to-channel isolation on the circuit board.
What Removable Terminal Block (RTB) interface is required for field connection?

Field wiring connects to the front interface via a standard 36-pin RTB terminal block assembly.
Can the module be inserted or removed under system power?

Yes, ControlLogix modules support Removal and Insertion Under Power (RIUP) without backplane disruption.
Does the module support sinking and sourcing field input wiring configurations?

Yes, isolated channel architecture allows independent sinking or sourcing field wiring choices per point.
How does the module communicate with the central Logix processor?

It streams discrete status data over the 1756 backplane using producer/consumer communication models.
What physical chassis platform is compatible with this hardware?

The module installs directly into any available slot of a standard Allen-Bradley 1756 ControlLogix chassis.
What shielding protocol should be used for field signal lines?

Connect field cable shields to a designated enclosure ground bar to mitigate industrial noise coupling.

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