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Allen Bradley 1771-A2B 8-Slot PLC-5 I/O Chassis

Allen Bradley 1771-A2B 8-slot PLC-5 universal I/O chassis.

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ManufacturerAllen Bradley

Part number1771-A2B

Number of Slots 8

Backplane Current 16A at 5V DC

Mounting Back Panel

Enclosure Type Open Style

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12-month warranty

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Veteran-owned

CAGE: 9NK75

8-Slot Capacity PLC-5 Compatibility High Backplane Current Rating Back Panel Mount Open Style Construction

Product description

The Allen-Bradley 1771-A2B is a universal I/O chassis designed for the PLC-5 system, providing an 8-slot backplane to accommodate various 1771 I/O modules. It ensures communication between modules and the processor, supporting digital, analog, and intelligent I/O for diverse applications.

This chassis is ideal for industrial environments requiring modular expansion and legacy system support. It is commonly found in manufacturing, process control, and material handling applications where reliable I/O integration is crucial.

Source your 1771-A2B I/O chassis from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus parts. We ensure timely delivery and reliable support for your automation needs.

Technical specifications

Number of Slots	8
Backplane Current	16A at 5V DC
Mounting	Back Panel
Enclosure Type	Open Style
Compatible Power Supply	1771-P4S

Common applications

Manufacturing Automation

Process Control

PLC Systems

Legacy Automation

Modular Control

Compatible systems

PLC-5 Processors 1771 I/O Modules

Also known as

1771-A2B Chassis Allen-Bradley PLC-5 I/O Rack 1771 Series Chassis

Replaces / compatible with

This chassis is designed to house Allen-Bradley 1771 I/O modules within the PLC-5 platform. It is a key component for building scalable industrial control systems.

Technical note

Expert tip

The 1771-A2B is an open-type chassis and must be mounted within an enclosure designed for the specific environmental conditions and to prevent injury from accessible live parts.

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Frequently asked questions

What is the maximum backplane current for the Allen-Bradley 1771-A2B I/O chassis?

The 1771-A2B chassis has a maximum backplane current rating of 16 Amps at 5 Volts DC. This ensures stable power delivery to all installed modules.