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Allen Bradley 1794-IB16 FLEX I/O 16-Point DC Sinking Input Module

Allen-Bradley 1794-IB16 FLEX I/O 16-Point DC Sinking Input Module.

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ManufacturerAllen Bradley

Part number1794-1B16

Input Points 16 Current Sinking

On-state Voltage min. 10V DC

On-state Voltage nom. 24V DC

On-state Voltage max. 31.2V DC

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CAGE: 9NK75

16 DC Sinking Inputs 10-31.2V DC Input Range 24V DC Nominal Voltage 12.0mA Max Current Compatible with Flex I/O System DIN Rail Mountable

Product description

The Allen-Bradley 1794-IB16 is a FLEX I/O 16-point DC input module featuring current sinking inputs. It provides sixteen input channels that operate within a voltage range of 10-31.2V DC, with a nominal input voltage of 24V DC. This module supports a maximum on-state current of 12.0mA and has an off-state voltage maximum of 5.0V DC. It is designed for easy DIN rail mounting and compatibility with Flex I/O adapters.

This module is ideal for interfacing with DC sensors, switches, and other devices that provide a sinking current output. It is commonly used in industrial automation, machine control, and process monitoring applications across various sectors. Its robust design ensures reliable input signal acquisition.

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Technical specifications

Input Points	16 Current Sinking
On-state Voltage min.	10V DC
On-state Voltage nom.	24V DC
On-state Voltage max.	31.2V DC
On-state Current max.	12.0mA
Off-state Voltage max.	5.0V DC
FlexBus Current	30mA @ 5V DC
Mounting	DIN Rail, Panel

Common applications

DC Switch Input

DC Sensor Input

Sinking Current Devices

Industrial Control

Machine Monitoring

Process Automation

Compatible systems

Flex I/O Communication Adapters (e.g., 1794-ADN, 1794-AENT) FLEX I/O Terminal Bases (e.g., 1794-TB3, 1794-TB3S)

Also known as

Allen-Bradley FLEX I/O 1794-IB16 1794-IB16 DC Input FLEX I/O Sinking Input Module

Replaces / compatible with

Compatible with Allen-Bradley FLEX I/O communication adapters and terminal bases.

Technical note

Expert tip

Requires a compatible terminal base unit (e.g., 1794-TB3, 1794-TB3S) for proper installation and wiring.

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Frequently asked questions

What is the input current sinking configuration for the 1794-IB16 module?

The Allen-Bradley 1794-IB16 module features 16 current sinking inputs. This means that the input devices connect to the module's common, and the module sinks the current when the input is active, which is a standard configuration for many DC sensors and switches.