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1756-L83ES

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Allen-Bradley 1756-L83ES is a GuardLogix 5580 safety controller with 10 MB standard memory, 5 MB safety memory, and capacity for 250 EtherNet/IP nodes.
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Technical specifications for 1756-L83ES

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-L83ES
  • Product Family:
    ControlLogix
  • Product Type:
    GuardLogix 5580 Safety Controller
  • Stock:
    1
  • Controller family:
    GuardLogix 5580
  • Standard memory:
    10 MB
  • Safety memory:
    5 MB
  • Controller tasks:
    31 standard tasks and 1 safety task
  • EtherNet/IP nodes:
    250 maximum
  • OPC UA nodes:
    1,500 maximum with the stated software condition
  • Embedded Ethernet:
    10/100/1000 Mbps
  • Nonvolatile storage:
    4 GB Secure Digital card supplied
  • Power dissipation:
    6.2 W
  • Slot width:
    1
  • Approximate weight:
    0.394 kg
  • Weight:
    0.394 kg
  • Estimated shipping dimensions:
    3.46x14.55x14.01cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Memory Control 250-Node Design Safety Partner Product Applications

Features:

  • Balanced memory pair: 10 MB standard and 5 MB safety resources support integrated control
  • Two-hundred-fifty-node scale: the embedded gigabit port serves a substantial EtherNet/IP architecture
  • Higher-integrity path: a 1756-L8SP safety partner is required for the published SIL 3 or Category 4/PLe configuration
1756-L83ES is aimed at integrated safety projects that need more controller and network capacity than entry GuardLogix 5580 models.

Its safety memory is a separate governed resource; unused capacity is not a substitute for standard application memory or safety validation.

A recoverable system keeps the full catalog and Series B label with firmware, Studio 5000 project, signature, partner, network inventory, SD card, and acceptance record.

Availability of 1756-L83ES is subject to Apter Power inventory and sourcing confirmation.
Allen-Bradley 1756-L83ES GuardLogix 5580 Safety Controller Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Standard application: track use against the 10 MB allocation.
  • Safety application: review safety logic and data against the separate 5 MB resource.
  • Task boundary: retain one safety task and the approved standard-task structure.
  • Recovery: archive the project and 4 GB SD image with the safety signature.
  • Node inventory: count only directly configured devices against the 250-node limit.
  • Traffic: include I/O packets, HMI and messages, and any security overhead.
  • OPC UA: apply the documented 1,500-node boundary with the required software context.
  • Baseline: retain connection, utilization, and fault diagnostics after commissioning.
  • Primary alone: apply only the manufacturer-supported lower integrity architecture.
  • Higher integrity: include a qualified 1756-L8SP for the published SIL 3 or Category 4/PLe path.
  • Signature: protect the accepted safety signature and controlled project revision.
  • Validation: prove the full I/O path, fault reaction, partner state, and reset behavior.
  • Integrated machine safety: execute coordinated standard and safety control.
  • EtherNet/IP automation: manage networked I/O and industrial devices through the embedded port.
  • Safety motion and process systems: participate in supported Logix architectures under the approved safety design.
Description
1756-L83ES combines a standard Logix controller with one protected safety task. Its resource pair is 10 MB standard memory and 5 MB safety memory, supported by an embedded 10/100/1000 Mbps EtherNet/IP port.

Network sizing for 1756-L83ES allows as many as 250 directly configured EtherNet/IP nodes and a documented OPC UA capacity of 1,500 nodes under the stated software condition. These limits must be reviewed with I/O, HMI, messaging, security, and controller execution demand.

Used alone, 1756-L83ES supports the lower published safety architecture; the higher SIL 3 or Category 4/PLe path requires the qualified 1756-L8SP safety partner and validation of the complete safety function. Firmware, safety signature, partner identity, SD recovery image, and project revision form one controlled baseline.
Revisions

Revision Part #

Also known as

1756-L83ES Series B
1756-L83ES/B, Series B
Alternative Names
Allen-Bradley 1756-L83ES safety controller Rockwell Automation 1756-L83ES AB 1756 L83ES 1756L83ES GuardLogix CPU GuardLogix 5580 10 MB controller 1756-L83ES 1756-L83ES Series B
Technical notes
Size 1756-L83ES as both a networked controller and a safety system. Preserve the 10 MB/5 MB memory split, 250-node limit, firmware, project revision, safety signature, partner requirement, SD image, and validation evidence.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How should the two memory figures for 1756-L83ES be interpreted?
The 10 MB standard allocation and 5 MB safety allocation are separate governed resources; project sizing and change control must examine both.
When does 1756-L83ES require a 1756-L8SP safety partner?
Use the partner for the manufacturer-supported SIL 3 or Category 4/PLe path and validate the complete architecture; the primary alone is not that higher-integrity configuration.
What belongs in a 250-node review for 1756-L83ES?
Count directly configured EtherNet/IP nodes, then evaluate I/O traffic, HMI and messages, security overhead, produced and consumed data, and controller resource margin.
Why should the OPC UA design for 1756-L83ES record its software condition?
The published capacity is tied to a stated Logix Designer context, so namespace size, firmware, software revision, certificates, and client behavior must be controlled together.
What must be preserved before exchanging 1756-L83ES in a validated system?
Retain the exact Series B identity, firmware, project revision, safety signature, partner configuration, SD image, network settings, slot, and validation documentation.
How should 1756-L83ES be accepted after a controlled replacement?
Restore the approved project, verify safety lock and signature, confirm partner and network status, test safety I/O and fault reactions, and document the final baseline.

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