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Allen Bradley 1756-L73 ControlLogix PAC Processor

Allen Bradley 1756-L73 ControlLogix PAC Controller

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ManufacturerAllen Bradley

Part number1756-L73

User Memory 8 MB

I/O Memory 0.98 MB

USB Port 1 x USB 2.0 (12 Mbps)

Discrete I/O 128,000

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12-month warranty

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Veteran-owned

CAGE: 9NK75

8MB User Memory Integrated USB 2.0 Port High I/O Capacity Battery-less operation Supports redundant configuration ControlLogix platform

Product description

The Allen-Bradley 1756-L73 is a high-performance ControlLogix controller, featuring 8MB of user memory and 0.98MB of I/O memory. It utilizes energy storage technology, eliminating the need for a battery for volatile memory retention. This processor supports up to 128,000 discrete I/O and 4,000 analog I/O points, making it suitable for complex automation tasks.

This PAC (Programmable Automation Controller) is designed for demanding applications in factory and process automation, offering scalability and high availability through simplex or redundant configurations. Its integrated USB 2.0 port facilitates programming and communication, supporting speeds up to 12 Mbps.

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Technical specifications

User Memory	8 MB
I/O Memory	0.98 MB
USB Port	1 x USB 2.0 (12 Mbps)
Discrete I/O	128,000
Analog I/O	4,000
Power Dissipation	2.5 W
Operating Temp	0-60 °C

Common applications

Large-scale automation

Process control

Discrete manufacturing

High-availability systems

Machine control

Plant automation

Compatible systems

ControlLogix Chassis Studio 5000 Logix Designer

Also known as

Allen Bradley ControlLogix 1756-L73 1756-L73 Processor Logix 5573 Controller

Replaces / compatible with

The 1756-L73 is a current generation ControlLogix processor, offering enhanced capabilities over older models within the ControlLogix platform.

Technical note

Expert tip

This controller requires a 1756 power supply and is designed for installation in a ControlLogix chassis.

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Frequently asked questions

Does the Allen Bradley 1756-L73 controller require a battery for memory retention?

No, the Allen Bradley 1756-L73 utilizes energy storage technology that retains volatile memory without the need for a battery. This simplifies maintenance and reduces potential failure points.