1756-L83E

Product information

Product Overview

The 1756-L83E is a ControlLogix 5580 controller with 10 MB of user memory, a USB 2.0 programming port, and one embedded 1 Gbps EtherNet/IP port supporting up to 250 EtherNet/IP devices. It supports up to 256 axes of integrated motion over EtherNet/IP, making it the mid-range workhorse of the 5580 family for combined sequential control, motion and plant-network duties. The 4-character alphanumeric front display speeds cabinet-level identification during commissioning.

Technical Specifications (Official Rockwell Data)

Product family	ControlLogix 5580 controller
User memory	10 MB
Non-volatile memory	Secure Digital (SD) card
Embedded network port	1 × EtherNet/IP, 10 Mbps / 100 Mbps / 1 Gbps
EtherNet/IP devices supported	up to 250
Motion axes supported	256
Local programming port	1 × USB 2.0 full-speed, Type B
Power draw	5 mA @ 1.2 V DC, 1.20 A @ 5.1 V DC
Power dissipation (full load)	6.2 W
Programming languages	Ladder Diagram, Structured Text, Function Block Diagram, Sequential Function Chart
Controller tasks	32 tasks, 1000 programs per task
Product series	Series B
Lifecycle status (Rockwell)	Active

Lifecycle Status & Availability

Rockwell lists the 1756-L83E as Active with repair options available. It is a current-production controller and the standard choice when 3 MB of the L81E is not enough for large logic, recipe handling or motion programs.

Typical Applications

• Mid-to-large machinery with integrated motion over EtherNet/IP (Kinetix drives, servo axes) up to 256 axes
• Process skids combining analog loops, sequential control and a plant-wide Gigabit EtherNet/IP backbone
• OEM machines that ship worldwide and need one controller platform scalable from L81E to L85E without rewiring

Related & Compatible Models

Memory ladder within ControlLogix 5580: L81E (3 MB) → L83E (10 MB) → L85E (40 MB); EtherNet/IP device capacity steps 100 → 250 → 300. For safety duty, the GuardLogix 5580 family (e.g. 1756-L81ES) shares the same chassis, power and I/O ecosystem.

Requesting a Quotation

Send the complete catalog number with series/firmware revision (nameplate photo preferred), the required quantity and, if relevant, the SD card and motion-module lineup so a complete chassis configuration can be quoted. Availability and pricing are confirmed individually — nothing on this page constitutes a stock or lead-time promise.

Frequently Asked Questions

1756-L83E vs 1756-L82E — what changed?

The L82E generation step doubles user memory to 5 MB; the L83E goes further to 10 MB and raises EtherNet/IP device capacity to 250. All 5580 controllers share the same embedded 1 Gbps port, USB programming and SD-card memory concept.

Can it replace my 1756-L73 without changing I/O?

Yes — 5580 controllers are designed to drop into existing 1756 chassis and reuse installed I/O and power supplies. Confirm the slot layout and backplane current budget against your chassis size when migrating.

How many motion axes can one L83E handle?

Official Rockwell data lists 256 supported motion axes over the EtherNet/IP network. Actual axis count depends on drive topology and program structure — include your axis list in the quotation request if you need a configuration review.

Does the embedded port replace the EN2T module?

For most applications yes: the embedded 1 Gbps port supports up to 250 devices. A separate 1756-EN2T remains useful when the controller needs additional independent Ethernet networks (e.g. machine network plus plant network segregation).