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Includes a PDF Electric and Supply warranty.

(Never Used)


9 In Stock

3 Yr PDF Supply warranty

What is Surplus?

Other Available Revisions for the 1756-L81ES 1756-L81ES/A1756-L81ES/B

Common misspellings:
  • l756-L81ES
  • 1756-181ES
  • 1756-Lb1ES
  • 1756-L8lES
  • 1756L81ES

Technical Specifications for 1756-L81ES

BrandAllen-Bradley / Rockwell Automation
Part Number1756-L81ES
DescriptionMachine Controller
Tasks31 tasks
User Memory3 MB
Safety Memory1.5 MB
Digital I/O128,000
Analog I/O4000
Operating temperature0-60 degrees Celsius
StandrdCE, RCM, Ex standards
USB PortsYes

The 1756-L81ES controller is a ControlLogix controller module manufactured by Allen-Bradley. A ControlLogix controller is used to perform safety functions in an industrial setting. It offers safety levels as high as the SIL 2/PLd standards. It is made to be used with a primary safety controller. It is easy to use and requires no user setup before use. The ControlLogix controller can control 31 standard tasks and a single safety task. It supports different communication options including the Ethernet/IP, ControlNet, DeviceNet, third-party process, and other device networks. The 1756-L81ES controller supports different programming languages like the Relay ladder logic, structured text, and functional block diagram languages. A user memory of 3 MB and 1.5 MB of safety memory are provided. 

The 1756-L81ES controller supports 128,000 digital I/O and 4000 analog I/O. An optional nonvolatile memory capacity up to 2 GB is supported by the controller. The ambient operating temperature range should be set between 0 and 60 degrees Celsius in a relatively humid environment with 5 to 95% non-condensing relative humidity. It is certified with the CE, RCM, Ex, and other standards. The 1756-L81ES controller is equipped with dual USB 2.0 ports that support speeds of up to 12 Mbps. The ControlLogix controller can handle 32 tasks with 1000 programs per task. A 4-character alpha-numeric display is present on the front panel that shows different information. The outer body of the controller is conformally coated and it has an open enclosure. There are LED indicators that show the NET, LINK, RUN, FORCE, and other status updates  visually. The controller can be easily mounted on the I/O chassis

The 1756-L81ES controller is a ControlLogix Controller module manufactured by Allen-Bradley. It can control 21 standard tasks at a time.

F.A.Q for 1756-L81ES

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