1756-L83E

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1756-L83E

Type

ControlLogix controller

Application

PLC controller

Used with

ControlLogix 1756 chassis

Controller tasks

32 tasks, including a combination of one continuous, periodic, and event tasks 1000 programs/task

Built-in communication ports

1-port USB, Embedded Ethernet port

USB port communication

USB 2.0, Full speed (12 Mbps), Programming, configuration, firmware update, and online edits only

Ethernet performance

10/100/1000 Mbps

I/O Capacity (Class 0/1)

128,000 without CIP Security™ 40,000 with integrity 20,000 with integrity and confidentiality

Communication options

EtherNet/IP™, ControlNet®, DeviceNet®, Data Highway Plus™, Remote I/O, SERCOS, Third-party process and device networks

OPC UA nodes supported max

1200 nodes

Network connections per network

ControlLogix 5580 Controllers front EtherNet/IP port. See ‘EtherNet/IP nodes supported, max’ in this table. 1000 I/O; 528 EtherNet/IP; 512 TCP (1756-EN4TR or variant rated for harsh environments) 256 EtherNet/IP; 128 TCP (1756-EN2x or variant rated for harsh environments) 128 EtherNet/IP; 64 TCP (1756-ENBT or variant rated for harsh environments) 100 ControlNet (1756-CN2/A or variant rated for harsh environments) 40 ControlNet (1756-CNB/D, 1756-CNB/E or variant rated for harsh environments) 128 ControlNet (1756-CN2/B or variant rated for harsh environments)

Integrated motion

SERCOS interface beginning with Studio 5000 Logix Designer® application version 31.00.01 or later, Analog options (encoder input, LDT input, SSI input) beginning with Studio 5000 Logix Designer application version 31.00.01 or later, Integrated Motion on the EtherNet/IP network

Controller redundancy

Full support with Studio 5000 Logix Designer application version 33.00.02 or later

Programming languages

Relay ladder logic (RLL), Structured text, Function Block Diagram, Sequential function chart (SFC)

Standard memory

10 MB

Digital I/O max

128,000

Analog I/O max

4000

Nonvolatile memory storage

4 GB Secure Digital (SD) card (1784-SD4), ships pre-installed in the controller

Energy storage module

Embedded in controller, non-removable

Number of power cycles

80,000

Current draw @ 1.2V DC

5.0 mA

Current draw @ 5.1V DC

1.20 A

Power dissipation

6.2 W

Thermal dissipation

21.2 BTU/hr

Isolation voltage

50V (continuous), Basic Insulation type, USB port to backplane, Ethernet port to backplane, and USB port to Ethernet port, Compliant and tested according to IEC/UL 61010-1

Weight approx

0.394 kg (.868 lb)

Slot width

1

Module location

Chassis-based, any slot

Technical documents (1)

• Rockwell Automation technical data 1756-TD001

Key features

• 32 tasks with up to 1000 programs per task
• USB 2.0 port for programming and firmware update
• Ladder logic, structured text, function block and SFC programming
• Controller redundancy with Studio 5000 Logix Designer 33.00.02 or later
• Chassis-based module that fits any slot, one slot wide

About the Allen-Bradley 1756-L83E

The Allen-Bradley 1756-L83E is a ControlLogix 5580 Controller, as named by Rockwell Automation. Rockwell describes it with 10 MB user memory, a USB port, a 1 gigabit Ethernet port, a 4 character alpha/numeric display and support for 250 EtherNet/IP devices. Rockwell lists 128,000 digital I/O, 4000 analog I/O and a 4 GB Secure Digital card (1784-SD4) that ships pre-installed. Rockwell gives the lifecycle status as Active.

What is the 1756-L83E used for?

The 1756-L83E is a chassis-based controller that runs the control program for a ControlLogix system. Rockwell lists relay ladder logic, structured text, function block diagram and sequential function chart as programming languages. Communication options include EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O and SERCOS, and integrated motion is available on the EtherNet/IP network.

Lifecycle and successor

Active.

Before you order

What to photograph or confirm so the right unit is quoted.

Check that the catalog number 1756-L83E on the module label matches the part you need, and note the series letter and firmware revision printed there. Send us a photo of the label if you want us to confirm the part before you order.