Allen-Bradley 1756-L75 ControlLogix Processor

Series#: AllenBradley

Product Details

High-performance controller with 8 MB of memory for complex, high-speed automation tasks.
Supports up to 128,000 I/O points, ideal for large-scale distributed control systems.
Built-in EtherNet/IP, ControlNet, and DeviceNet communication via modular chassis backplane.
Advanced redundancy capabilities for mission-critical applications with zero downtime.
Rugged industrial design rated for -20°C to 60°C operation in harsh environments.
Seamless integration with Rockwell Automation Studio 5000 Logix Designer environment.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The Allen-Bradley 1756-L75 ControlLogix processor is a flagship controller from Rockwell Automation’s renowned Logix platform, engineered for demanding applications requiring deterministic control, high-speed data processing, and robust networking. This 1756-L75 module delivers 8 MB of total memory (4 MB for logic and 4 MB for data) and supports a maximum of 128,000 digital I/O or 4,000 analog I/O points, making it suitable for large-scale manufacturing lines, oil and gas pipelines, or power generation facilities. Its dual-slot chassis design allows for optional redundancy configurations, ensuring continuous operation even during hardware failures. The processor communicates via the ControlLogix backplane, supporting EtherNet/IP, ControlNet, and DeviceNet networks simultaneously, and is fully compatible with Studio 5000 software for programming, configuration, and diagnostics. With a fast scan time of 0.08 ms per 1K of logic, it excels in time-critical applications like motion control and high-speed packaging.

Parameter	Specification
Model Number	1756-L75
Manufacturer	Allen-Bradley (Rockwell Automation)
Product Type	ControlLogix Processor Module
Memory – Total	8 MB (4 MB logic + 4 MB data)
Maximum I/O Capacity	128,000 digital / 4,000 analog
Communication Protocols	EtherNet/IP, ControlNet, DeviceNet (via backplane)
Scan Time (1K logic)	0.08 ms
Backplane Current Draw	1.5 A at 5.1 VDC
Operating Temperature	-20°C to 60°C (-4°F to 140°F)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Relative Humidity	5% to 95% non-condensing
Vibration Resistance	2 g Standard Models 10–500 Hz
Shock Resistance	30 g peak, 11 ms duration
Redundancy Support	Yes (optional, requires redundant chassis and cables)
Programming Software	Studio 5000 Logix Designer (version 20 or later)
Firmware Compatibility	Series C or later
Enclosure Type	Open-style, suitable for panel mount
Weight	Approx. 0.45 kg (1.0 lb)
Certifications	CE, cULus, ATEX (Zone 2), TUV (functional safety)