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Allen-Bradley GuardLogix 5580 1756-L81ES 3 MB/1.5 MB EtherNet/IP Safety Controller | Original New

Allen-Bradley GuardLogix 5580 1756-L81ES 3 MB/1.5 MB EtherNet/IP Safety Controller | Original New

Allen-Bradley GuardLogix 5580 3 MB / 1.5 MB Safety Controller

Complete Model

1756-L81ES

Official Product Description

GuardLogix 5580 safety controller with 3 MB standard memory and 1.5 MB safety memory, USB port, embedded 1 Gb EtherNet/IP port, support for 100 EtherNet/IP devices and a four-character alphanumeric display.

CORE FEATURE: 3 MB standard memory and 1.5 MB safety memory with embedded 1 Gb EtherNet/IP networking.

LEAD TIME: In stock

WARRANTY: 1 year

Email Inquiry [email protected]

WhatsApp +86 18159889985

Appurtenance:

allen bradley guardlogix 5580 1756 l81es safety controller-1

Overview
Technical Data
Inquiry
Applications & Features
Communications
Installation
Environment
FAQ
Recommend Models
Recommended Products

Product Overview

1756-L81ES is an Allen-Bradley GuardLogix 5580 safety controller for chassis-based standard and safety control applications.

Rockwell Automation specifies 3 MB standard memory and 1.5 MB safety memory, a preinstalled 4 GB 1784-SD4 Secure Digital card, an embedded 1 Gb EtherNet/IP port, a USB local programming port and support for up to 100 EtherNet/IP devices.

The controller occupies one slot in a compatible 1756 chassis. For SIL 3/PLe applications in the conventional 1oo2 architecture, install the appropriate 1756-L8SP safety partner immediately to the right of the primary controller; follow current Rockwell Automation safety documentation for other certified architectures.

Technical Data

Complete model	1756-L81ES
Brand	Allen-Bradley / Rockwell Automation
Product family	GuardLogix 5580
Product type	GuardLogix 5580 safety controller
Standard memory	3 MB
Safety memory	1.5 MB
EtherNet/IP node capacity	Up to 100 devices
Digital I/O maximum	128,000
Analog I/O maximum	4,000
Nonvolatile memory	4 GB 1784-SD4 Secure Digital card, preinstalled
Communication ports	One embedded 10/100/1000 Mbps EtherNet/IP port and one USB 2.0 full-speed local programming port
Controller tasks	31 standard tasks and 1 safety task; up to 1000 programs per task
Energy storage	Embedded in the controller and non-removable
Power cycles	80,000
Current draw	5.0 mA at 1.2 V DC and 1.20 A at 5.1 V DC
Power dissipation	6.2 W
Thermal dissipation	21.2 BTU per hour
Isolation voltage	50 V continuous, basic insulation, Ethernet to backplane, USB to backplane and USB to Ethernet
Dimensions	34.55 x 145.2 x 139.6 mm, width x height x depth
Weight	Approximately 0.394 kg (0.868 lb)
Slot width	One ControlLogix chassis slot
Module location	Chassis-based; any compatible slot
Enclosure type	None, open-style equipment
Operating temperature	0 to +60 degrees C in a Series C chassis; 0 to +50 degrees C in a Series B chassis
Storage temperature	-40 to +85 degrees C
Relative humidity	5 to 95 percent, noncondensing
Conformal coating	No
Certifications	c-UL-us, FM, CE, RCM, ATEX, IECEx, UKEx, UKCA and safety certifications as marked on the product
Official sources	Rockwell Automation product page; publication 1756-TD001W-EN-P pages 44 to 46; publication 1756-IN048 pages 5 to 8

Inquiry

CONTACT

STELLA

Email Inquiry [email protected]

WhatsApp +86 18159889985

Applications & Features

Integrated safety control

1756-L81ES combines standard control and a dedicated safety task in one GuardLogix 5580 platform.

Model-specific memory

The controller provides 3 MB of standard memory and 1.5 MB of safety memory.

Embedded high-speed networking

The integrated 1 Gb EtherNet/IP port supports up to 100 directly configured EtherNet/IP devices.

Certified architecture

With the required safety partner and approved firmware and configuration, the GuardLogix system supports certified safety applications up to SIL 3/PLe under the stated conditions.

Communications

EtherNet/IP	One embedded 10/100/1000 Mbps Ethernet port supporting up to 100 EtherNet/IP devices.
USB	USB 2.0 full-speed local programming port; intended for temporary programming, configuration, firmware update and online edits.
ControlLogix backplane	The controller receives chassis power and exchanges data through the 1756 backplane.
Safety partner	For conventional SIL 3/PLe 1oo2 operation, the compatible 1756-L8SP safety partner installs in the slot immediately to the controller's right.
Secure Digital card	Front-accessible card slot with a preinstalled 4 GB 1784-SD4 card.

Installation

01 - Verify the complete catalog number

Match 1756-L81ES on the quotation, controller label, packaging and Rockwell Automation product record.

02 - Confirm memory and node capacity

Verify 3 MB standard memory, 1.5 MB safety memory and the 100-device EtherNet/IP limit against the validated project.

03 - Prepare the chassis

De-energize a compatible Series B or Series C 1756 chassis, confirm power-supply capacity and reserve the required slot or adjacent slots.

04 - Install the controller

Align the circuit board with the chassis guides, slide the controller fully into the slot and verify the locking tabs are engaged.

05 - Complete the safety architecture

Install the required safety partner immediately to the right when the selected certified architecture requires it, then validate firmware, safety signatures and application configuration.

Environment

Operating temperature

0 to +60 degrees C in a Series C chassis; 0 to +50 degrees C in a Series B chassis.

Storage temperature

-40 to +85 degrees C.

Relative humidity

5 to 95 percent, noncondensing.

Coating

The standard ES catalog number is not conformal coated.

Hazardous locations

Class I, Division 2 and Zone 2 approvals apply only when the product is marked and installed according to the official instructions.

Protection

Open-style equipment; install in a suitable industrial enclosure.

FAQ

Q1. How can the exact quoted controller be verified?

Match the complete 1756-L81ES catalog number on the quotation, controller label and packaging. Confirm GuardLogix 5580, 3 MB standard memory, 1.5 MB safety memory, the embedded Ethernet and USB ports and the four-character display.

Q2. How can New, Used or Refurbished condition be distinguished?

Request date-marked photos of the complete 1756-L81ES label, serial and series markings, Ethernet and USB ports, SD-card area, display, mode switch, backplane connector and housing. Check for connector wear, repaired plastic, changed labels or removed seals.

Q3. How should supplier legality and reliability be checked?

Verify the supplier legal entity, registered address, payment beneficiary, invoice details and traceable sales contact. The written offer must identify Allen-Bradley, 1756-L81ES, condition, quantity, standard memory and safety memory.

Q4. Which specifications must engineering confirm before purchase?

Confirm 3 MB standard memory, 1.5 MB safety memory, 100-device EtherNet/IP capacity, embedded 1 Gb Ethernet, USB commissioning, 4 GB SD storage, chassis series, firmware and the required safety-partner architecture.

Q5. What physical evidence should be requested before payment?

Ask for one date-marked photo set showing the complete 1756-L81ES label, serial and series markings, Ethernet and USB ports, SD-card slot, four-character display, backplane connector, seals, packaging and any included 1756-L8SP safety partner.

Q6. Can a nearby GuardLogix catalog number replace this model?

Not automatically. 1756-L81E and 1756-L82ES have different standard memory, safety memory or device limits. Confirm the validated safety project, firmware, node count, chassis and certification requirements before any substitution for 1756-L81ES.

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