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ControlLogix 4 MB Controller
SKU: 1756-L72K
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Short Description
Description:
The 1756-L72K is a high-performance ControlLogix programmable automation controller (PAC) that is ideal for demanding industrial applications.
With 4 MB of user memory, it can handle complex control tasks for discrete, process, motion, and drive systems.
As part of the Logix 5570 series, it provides modular scalability, quick processing, and seamless interface with Rockwell Automation's Studio 5000 software environment.
The "K" designation often refers to a packaged configuration, which may contain extras such as an SD card or an energy storage module, depending on the region or distributor.
This controller is suited for large-scale automation systems that require dependability, flexibility, and high-speed operation.
Buy currently uses Select Automation shop pricing and checkout.
Memory & Performance:
User Memory: 4 MB.
I/O Memory: 0.98 MB.
Processor: High-speed dual-core processor.
SD Card: Ships with 1 GB SD card (1784-SD1); upgradeable to 2 GB (1784-SD2).
Display: 4-character alphanumeric LED for diagnostics and status.
Connectivity & Expansion:
Programming Port: USB 2.0 (Type B).
Network Support: Compatible with EtherNet/IP, ControlNet, DeviceNet via separate modules.
I/O Capacity: Supports up to 128,000 digital I/O points.
Chassis Compatibility: Fits any ControlLogix chassis.
Slot Requirement: Occupies 1 slot.
Power & Energy Storage:
Backplane Current Draw:
800 mA @ 5.1 VDC.
5 mA @ 1.2 VDC.
Power Dissipation: ~4.1 W.
Energy Storage Module: Requires 1756-ESMCAPK or equivalent (capacitor-based).
Battery: Not required.
Environmental Ratings:
Operating Temperature: 0°C to +60°C.
Storage Temperature: –40°C to +85°C.
Humidity: 5% to 95%, non-condensing.
Shock Resistance: 30g.
Vibration Resistance: 10–500 Hz, 2g.