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ControlLogix 2 MB Controller
SKU: 1756-L71K
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Short Description
Description:
The 1756-L71K is a high-performance ControlLogix 5570 series controller with 2 MB of user memory, specifically suited for demanding industrial automation workloads.
The "K" suffix denotes that the controller has conformal coating, which protects internal circuitry from moisture, dust, and corrosive pollutants, making it suitable for severe or high-humidity settings.
This controller enables integrated motion over EtherNet/IP, modular I/O scalability, and a variety of communication protocols.
It requires an energy storage module (either 1756-ESMCAP or 1756-ESMNSE) and accepts removable SD cards for program and data storage.
The L71K, designed for dependability and versatility, is ideal for use in industries such as mining, chemical processing, and outdoor installations.
Buy currently uses Select Automation shop pricing and checkout.
Technical Specifications:
User Memory: 2 MB.
Controller Series: ControlLogix 5570 (L7X).
Conformal Coating: Yes — for enhanced protection against moisture, dust, and corrosive environments.
Slot Requirement: Occupies 1 slot in a 1756 chassis.
Energy Storage Module Required:
1756-ESMCAP (capacitor-based, retains memory).
1756-ESMNSE (non-retentive, no memory backup).
SD Card Support: Yes — 1 GB standard, user-replaceable.
Communication Options: Supports EtherNet/IP, ControlNet, DeviceNet, and serial modules.
Motion Support: Integrated motion over EtherNet/IP.
Safety Support: Not safety-rated (use L7xS models for SIL-rated applications).
Programming Software: Studio 5000 Logix Designer.
Backplane Current Draw:
1.2 A @ 5.1 VDC.
3 mA @ 24 VDC.
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.