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ControlLogix 16 MB Controller
SKU: 1756-L74K
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Short Description
Description:
The 1756-L74K is a high-performance ControlLogix programmable automation controller (PAC) intended for large-scale industrial automation systems.
With 16 MB of user memory, it can handle complicated control schemes for discrete, process, motion, and drive applications.
The "K" suffix often refers to a packaged or region-specific configuration that may contain accessories such as an SD card or an energy storage module.
This controller works smoothly with Studio 5000 Logix Designer and offers modular extension, comprehensive diagnostics, and high-speed execution—perfect for demanding situations that require dependability, scalability, and flexibility.
Buy currently uses Select Automation shop pricing and checkout.
Memory & Performance:
User Memory: 16 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 status and diagnostics.
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.