Allen-Bradley 1756-L65 ControlLogix Processor

Series#: AllenBradley

Product Details

1756-L65 ControlLogix5555 Controller – High-performance, modular processor for mission-critical industrial automation.
Supports up to 4 ControlNet, 4 EtherNet/IP, or 4 DeviceNet communication modules via the ControlLogix backplane.
Integrated motion control, sequential, and process control capabilities – ideal for complex, multi-discipline applications.
Backward compatible with existing 1756 I/O modules and chassis, ensuring seamless system upgrades.
Robust memory capacity: 2 MB for logic, 2 MB for data – handles large-scale programs and data logging.
Designed for harsh environments with extended temperature range and redundant power supply support.
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Specification

The Allen-Bradley 1756-L65 is a flagship member of the ControlLogix5555 family, engineered for high-speed, deterministic control in distributed and centralized architectures. This controller excels in applications requiring synchronized motion, advanced process control, and high-availability redundancy. With its modular backplane design, the 1756-L65 integrates seamlessly with a wide range of 1756 I/O modules, communication interfaces, and specialty modules, making it a versatile choice for industries such as oil and gas, automotive, food and beverage, and water treatment. Its robust memory allocation and fast execution speeds enable it to handle complex logic, data logging, and real-time analytics without compromising performance. The 1756-L65 is built to withstand demanding industrial conditions, including wide temperature fluctuations and electrical noise, ensuring reliable operation in even the most challenging environments.

Specification	Details
Product Type	ControlLogix5555 Programmable Automation Controller (PAC)
Processor Module	1756-L65
Memory – Logic	2 MB (Non-volatile, battery-backed SRAM)
Memory – Data	2 MB (User data and tags)
Maximum I/O Points	128,000 digital / 4,000 analog (per chassis, with expansion)
Communication Options	ControlNet, EtherNet/IP, DeviceNet (via 1756 communication modules)
Backplane Current Draw	1.2 A Standard Models 5.1 V DC (typical)
Execution Speed	0.08 ms per 1K logic instructions (typical)
Redundancy Support	Yes – Enhanced redundancy firmware available for high-availability systems
Motion Control	Integrated – Supports up to 16 axes of coordinated motion (servo, stepper, hydraulic)
Operating Temperature	0°C to 60°C (32°F to 140°F) – Extended range available for some models
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 (operating)
Shock Resistance	30 g (operating), 50 g (non-operating)
Power Supply Compatibility	1756-PA72, 1756-PB72, 1756-PA75, 1756-PB75 (AC/DC models)
Chassis Compatibility	1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 (4 to 17 slots)
Firmware Revision	Up to v20.x (field-upgradable via ControlFlash)
Certifications	CE, UL, cUL, ATEX (Zone 2), IECEx (Zone 2), Marine (ABS, DNV, Lloyds)
Weight	Approximately 0.5 kg (1.1 lbs) – module only
Dimensions (H x W x D)	14.0 cm x 5.0 cm x 13.0 cm (5.5 in x 2.0 in x 5.1 in)