1756-L83ESXT

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1756-L83ESXT

Type

GuardLogix safety controller

Application

PLC controller

Used with

ControlLogix 1756 chassis

Controller tasks

31 standard tasks, 1 safety task, 1000 programs/task, Ethernet port

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

Standard memory

10 MB

Safety memory

5 MB

Digital I/O, max

128,000

Analog I/O, max

4000

Nonvolatile memory storage

4 GB Secure Digital 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, Ethernet to backplane, USB to backplane, and USB to Ethernet, 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

Chassis

1756-A7XT, 1756-A10XT, Series C 1756-A7ZXT, 1756-A10ZXT

Wire category

3 - on USB port 2 - on Ethernet ports

Wire size

Ethernet connections:, Ethernet cabling and installation according to IEC 61918 and IEC 61784-5-2

Temperature code

T4

Enclosure type rating

None (open-style)

Technical documents (1)

• Rockwell Automation technical data 1756-TD001

Key features

• 31 standard tasks and 1 safety task
• 4 GB SD card (1784-SD4) pre-installed
• Embedded Ethernet port and USB 2.0 port
• Conformal coated for operation from -25 to +70 °C
• Chassis-based, one slot wide, fits any slot

About the Allen-Bradley 1756-L83ESXT

The Allen-Bradley 1756-L83ESXT is a GuardLogix 5580 XT Controller, according to Rockwell Automation, which lists its lifecycle status as Active. Rockwell specifies 10 MB of standard memory and 5 MB of safety memory, with a 4 GB Secure Digital Card (1784-SD4) pre-installed for nonvolatile storage. It has one USB port and one embedded Ethernet port running at 10/100/1000 Mbps. The module weighs approximately 0.394 kg and is rated open-style with temperature code T4.

What is the 1756-L83ESXT used for?

The 1756-L83ESXT is a chassis-based controller that runs 31 standard tasks and 1 safety task, with up to 1000 programs per task. Rockwell gives a maximum of 128,000 digital I/O and 4000 analog I/O, with Class 0/1 I/O capacity of 128,000 without CIP Security, 40,000 with integrity, and 20,000 with integrity and confidentiality. The USB port is for programming, configuration, firmware update and online edits only. Rockwell lists the 1756-A7XT, 1756-A10XT, Series C 1756-A7ZXT and 1756-A10ZXT chassis.

Lifecycle and successor

Active.

Before you order

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

Check that the catalog number on the label reads 1756-L83ESXT, and note the series letter and firmware revision shown there. Send us a photo of the label if you want us to confirm the details before you order.