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Allen Bradley

Allen Bradley 1791-32B0 32-Point DC Input Block Module

Allen Bradley 1791-32B0 Discrete Block Input Module

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ManufacturerAllen Bradley

Part number1791-32B0

Voltage 24V DC

Input Voltage Range 10-30V DC

Inputs per Block 32

Input On-state Current 11mA @ 30V max

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CAGE: 9NK75

32 DC Input Points 4 Groups of 8 Inputs DIN Rail Mountable Sinking DC Input Status Indicators

Product description

The Allen Bradley 1791-32B0 is a discrete block I/O module from the Bulletin 1791 Block I/O series. It features 32 DC input channels arranged in 4 groups of 8 inputs. The module has a nominal input voltage of 24 Volts DC and an operating voltage range of 10 to 30 Volts DC. Its rated input on-state current is a maximum of 11 milliamps at 30 Volts DC.

This module is designed to interface 24 VDC field input devices with Allen-Bradley remote I/O systems, commonly used for monitoring discrete input signals from devices like proximity switches, limit switches, and pushbuttons in distributed industrial automation applications.

Source your essential automation components from Stanlo Automation. As a veteran-owned surplus parts distributor, we ensure quality and reliability for your industrial needs.

Technical specifications

Voltage	24V DC
Input Voltage Range	10-30V DC
Inputs per Block	32
Input On-state Current	11mA @ 30V max
External Power	19.2-30V DC, 300mA
Product Lifecycle Status	Discontinued/Obsolete

Common applications

Manufacturing Automation

Process Control

Machine Control

Discrete Input Monitoring

Distributed I/O Systems

Compatible systems

PLC-2 PLC-3 PLC-5 PLC-5/250 SLC 5/02

Also known as

179132B0 Bulletin 1791 Block I/O Module

Replaces / compatible with

This module has been discontinued by the manufacturer. Stanlo Automation specializes in obsolete parts and can provide surplus or refurbished replacements.

Technical note

Expert tip

Ensure proper voltage (10-30V DC) and current are supplied to the input channels for reliable operation.

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Frequently asked questions

What is the input voltage range for the Allen Bradley 1791-32B0?

The Allen Bradley 1791-32B0 has a nominal input voltage of 24V DC, with an operating voltage range of 10 to 30V DC. It requires an external power supply of 19.2 to 30V DC.