1756-L85ES

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1756-L85ES

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) - packets/second

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

Standard memory

40 MB

Safety memory

3 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-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K, 1756-A17, 1756-A17K, Series B and Series C

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
• USB 2.0 port for programming and firmware update
• 4 GB SD card ships pre-installed
• Fits any slot in listed 1756 chassis
• Operating range 0 to 60 °C in Series C chassis

About the Allen-Bradley 1756-L85ES

The Allen-Bradley 1756-L85ES is a GuardLogix 5580 Safety Controller, listed by Rockwell Automation with an Active lifecycle status. Rockwell specifies 40 MB of standard memory, 3 MB of safety memory, 31 standard tasks and 1 safety task. It has a USB port and an embedded Ethernet port rated 10/100/1000 Mbps, and Rockwell's description lists 300 EtherNet/IP devices. Rockwell gives power dissipation as 6.2 W, with a current draw of 1.20 A at 5.1V DC.

What is the 1756-L85ES used for?

Rockwell lists the 1756-L85ES as a chassis-based module that fits any slot, one slot wide, in 1756 chassis such as the 1756-A4, 1756-A7, 1756-A10, 1756-A13 and 1756-A17 in Series B and Series C. It runs 31 standard tasks and 1 safety task, and the embedded Ethernet port connects it to EtherNet/IP devices. The USB port is for programming, configuration, firmware update and online edits only.

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-L85ES, and note the series letter and firmware revision shown there. Send us a photo of the label if you want us to confirm the part before you order.