Is the Allen-Bradley 1756-A7 new or used?

We offer the 1756-A7 in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.

What is the Allen-Bradley 1756-A7?

The 1756-A7 is an Allen-Bradley ControlLogix 1756 Chassis.

How fast does the 1756-A7 ship?

In-stock orders for the 1756-A7 ship the same day when placed before our daily cutoff. Expedited and same-day air options are available if you are facing downtime, with no rush fees. Our team is based in Raleigh, North Carolina.

UPC	10612598129314
Brand	Allen-Bradley
Slots	7
Series	ControlLogix
UNSPSC	32151704
Weight	2.4 pounds (1.1 kilograms)
Mounting	Horizontal
Enclosure	Open
Dimensions	20 x 24 x 8 inches
Module Type	Chassis
Manufacturer	Rockwell Automation
Part Number/Catalog No.	1756-A7
Power Dissipation (Max)	4.5 Watts
Backplane Current (5 Volts DC)	10 Amps
Backplane Current (24 Volts DC)	2.8 Amps

Allen-Bradley

1756-A7

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Ready to ShipPLCs ControlLogix 1756

The Allen-Bradley 1756-A7 is a Rockwell Automation ControlLogix chassis with 7 slots for housing compatible modules. It has a maximum power dissipation of 4.5 watts, supports a horizontal mounting orientation, and measures 20 x 24 x 8 inches. Weighing 2.4 pounds, the open enclosure design facilitates a backplane current of 10 Amps at 5V DC and 2.8 Amps at 24V DC.

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Allen-Bradley 1756-A7 ControlLogix Chassis

The Allen-Bradley 1756-A7 is a 7-slot ControlLogix chassis designed to house compatible modules from the ControlLogix product family. It is part of Rockwell Automation's larger Allen-Bradley integrated control system line. Its modular design allows for flexible configuration to meet various automation needs and scalability for future expansion.

Design and Build Quality

Constructed with a rugged design, the 1756-A7 chassis is built to withstand the harsh conditions often encountered in industrial environments. It ensures reliable performance and stable operation by implementing a backplane that provides a high-speed communication path between modules. Additionally, the chassis is designed for easy installation and maintenance, enhancing its overall usability in the field.

Compatibility and Expansion

This 7-slot chassis supports a range of ControlLogix modules, including processors, digital and analog I/O, specialty modules, and communication modules. Its main function is to provide power and establish communication between the modules. The 1756-A7 allows for a mix-and-match approach to system configuration, which enables users to tailor their system to specific needs without being confined to predetermined module setups.

Networking and Communication

The Allen-Bradley 1756-A7 chassis utilizes the ControlLogix backplane to provide high-speed communication among modules. It is compatible with various communication protocols depending on the modules installed, allowing it to integrate seamlessly with existing networks and other Allen-Bradley products. This facilitates efficient data exchange, essential for complex industrial operations and processes.

Power Supply and Safety Features

The 1756-A6 chassis requires an external power supply, which is not included with the chassis itself. It is important to select a power supply that meets the current and voltage requirements of the installed modules. Safety features include overvoltage and overcurrent protection, which help prevent damage to the system and ensure a safer operating environment for both the hardware and personnel.