Description
Unboxing & Hardware Overview
- Manufacturer & Architecture: Allen-Bradley / Rockwell Automation (ControlLogix 5580 Controller Series)
- Part Number / Model: 1756-L83E (Catalog Designation: ControlLogix 5580 Controller)
- Product Type: High-Performance Modular Programmable Automation Controller (PAC)
- Physical Dimensions: Standard 1756 ControlLogix single-slot module format
- Estimated Shipping Weight: ~0.87 lbs (0.394 kg) enclosed in factory ESD-safe shielding and protective structural packaging
- Primary Condition Status: Factory New / New Surplus options available (verify firmware version tier and included Secure Digital card capacity with your supplier prior to dispatch)
Product Introduction
The Allen-Bradley 1756-L83E is a powerful, standard-grade programmable automation controller belonging to the acclaimed ControlLogix 5580 family. Designed to handle demanding, high-capacity discrete, motion, drive, and process control applications, the L83E provides up to 45% more processing capacity than legacy controller generations.
It features an onboard 1-gigabit (1 Gb) Ethernet port that supports high-speed communications, device-level ring (DLR) topologies, and direct connection to up to 250 EtherNet/IP nodes without requiring a separate bridge module. Built-in energy storage eliminates the traditional requirement for physical lithium batteries, reducing ongoing maintenance overhead.
Core Technical Specifications
| Parameter | Value |
| Product Family | Allen-Bradley ControlLogix 5580 Series |
| Part Identifier | 1756-L83E |
| User Memory | 10 MB |
| Communications Port (Onboard) | 1 x 10/100/1000 Mbps Gigabit EtherNet/IP port (RJ-45)
1 x USB Type-B port (local programming and diagnostics) |
| Max EtherNet/IP Nodes | Up to 250 nodes (requires Studio 5000 Logix Designer v30 or higher) |
| Diagnostic Display | 4-character alpha/numeric status and fault display |
| Memory Expansion | Secure Digital (SD) card slot (ships with removable SD card for program storage/logging) |
| Backplane Power Draw | 5 mA at 1.2V DC; 1.20 A at 5.1V DC |
| Power Dissipation | 6.2 W max |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
Compliance & Standards Alignment
- Designed and manufactured to meet global industrial standards including CE, UL, c-UL-us, FM, ATEX, IECEx, KC, and RCM certifications.
- Features enhanced cybersecurity foundations, including role-based access control, controller-based change detection logging, and digitally signed firmware layers.
Technical Note: The 1756-L83E requires Studio 5000 Logix Designer version 30 or higher for configuration and project programming. Ensure your engineering workstation environment matches or exceeds this software minimum before attempting project downloads.
Storage & Asset Preservation Guidelines
- Store the processor module inside its original factory antistatic ESD bag to protect internal microprocessors and integrated circuit boards from static damage.
- Maintain a clean, temperature-controlled indoor storage environment with relative humidity kept under 95% (non-condensing).
- Prevent heavy physical shocks, drops, or lateral pressure stress on the front display and communication connectors.
Physical Installation Prerequisites
- Ensure that the 1756 chassis power supply is completely de-energized and locked out (LOTO) prior to inserting or extracting the controller module.
- Verify that your chassis power supply has sufficient capacity to support the backplane current draw of the L83E (1.20 A at 5.1V DC) alongside all other installed I/O and communication modules.
- Align the controller module carefully with the chassis guide slots for your chosen slot position and push evenly until the top and bottom latches click securely into place.
Buyer’s FAQ & Logistics
Q: What Harmonized System (HS) code applies to this Allen-Bradley controller?
A: Programmable logic controllers (PLCs), modular control units, and industrial computer hardware typically classify under HS code 8537.10 (Boards, panels, consoles for electric control or the distribution of electricity) or 8538.90. Confirm final codes with your customs broker.
Q: Does the 1756-L83E require a physical battery for memory backup?
A: No. The ControlLogix 5580 architecture utilizes internal energy storage mechanisms to back up user memory safely without routine battery replacements.
Q: Is the listed online price final for procurement?
A: Note: Price is subject to market availability, firmware version requirements, and global supply chain lead times; contact our technical sales desk for a formal, time-sensitive quotation.
